Distributed air conditioning assembly, vehicle and indirect heat pump air conditioning system

Abstract

The present invention discloses a distributed air conditioning assembly, a vehicle, and an indirect heat pump air conditioning system, belonging to the technical field of heat pump air conditioning systems, and is designed to solve problems such as poor temperature and humidity regulation effects in the existing air conditioning assembly with zoning. The distributed air conditioning assembly disclosed by the present invention includes an intake module, an air conditioning box module, and a air distribution module. The distributed air conditioning assembly, the vehicle, the indirect heat pump air conditioning system, and the control method of the indirect heat pump air conditioning system of the present invention form configurations with multiple temperature zones and multiple mode controls in the passenger compartment through modular splicing, so as to meet the functional and layout requirements of different vehicle models for the air conditioning system. The internal structure is reasonable, the flow resistance is small, the power consumption of the air conditioning system is low, and the layout is flexible.

Description

Technical Field

[0001] The present invention relates to the technical field of heat pump air conditioning systems, and particularly to a distributed air conditioning assembly, a vehicle, an indirect heat pump air conditioning system, and a control method for an indirect heat pump air conditioning system. Background Art

[0002] In order to adjust parameters such as the temperature and humidity inside the vehicle, an air conditioning system is usually provided on the vehicle. The air conditioning system generally includes a blower, an evaporator core, and a heating core. The blower is used to generate an air flow. After the air flow blows through the evaporator core, it cools down to form cold air for uniformly cooling or dehumidifying the vehicle interior; after the air flow blows through the heating core, it heats up to form hot air for uniformly heating the vehicle interior.

[0003] The air conditioning system is usually designed according to the maximum load of full-load occupants. However, most of the time, the vehicle is not fully loaded, resulting in energy waste. Some vehicles are provided with air outlet grilles. After closing the air outlet grilles, the air supply to the vacant seats can be stopped to achieve independent zone control. The disadvantages are as follows: the air resistance inside the air conditioning box increases, resulting in an unsatisfactory energy-saving effect, high noise, and the asymmetrically closed air outlets cause the temperature distribution on the evaporator surface to deviate significantly from the designed state. In severe cases, the surface of the core freezes, affecting the normal functions and performance of the air conditioner.

[0004] In addition, the centralized air conditioning system also has the following disadvantages: the independent adjustment ranges of the temperature, air volume, etc. in each temperature zone are very limited, and it cannot fully meet the personalized needs of each occupant for air conditioning. Moreover, it cannot achieve special functions such as cooling in one seat and heating in another seat, which require a large temperature difference between zones; its outer contour is relatively high, and it is usually placed under the instrument panel of the occupant compartment, resulting in the instrument panel protruding outwards and squeezing the space for passengers and storage in the compartment; its internal structure is compact and complex, and the flow resistance is relatively high, which requires a high head and power consumption for the air conditioning blower. Summary of the Invention

[0005] The purpose of the present invention is to provide a distributed air conditioning assembly, a vehicle, an indirect heat pump air conditioning system, and a control method for an indirect heat pump air conditioning system, which can perform completely independent zone control on parameters such as the temperature / humidity, air volume, and mode in the occupant compartment according to the actual occupancy situation, so as to meet the personalized needs of vehicle energy conservation and environmental comfort.

[0006] To achieve this purpose, on the one hand, the present invention adopts the following technical solutions:

[0007] Distributed air conditioning assembly, comprising: an intake module, including an intake housing, a filter provided at the air inlet of the intake housing, and a fresh air / circulation air damper provided outside the air inlet of the intake housing. When the fresh air / circulation air damper is in the first position, a fresh air inlet is formed between the fresh air / circulation air damper and the air inlet of the intake housing. When the fresh air / circulation air damper is in the second position, a circulation air inlet is formed between the fresh air / circulation air damper and the air inlet of the intake housing; an air conditioning box module, at least including a first air conditioning box sub-module, the first air conditioning box sub-module including a first air conditioning box housing, the air inlet of the first air conditioning box housing being connected to an air outlet of the intake housing. Along the air flow direction, a first blower, a first cold air core, a first temperature damper, and a first warm air core are sequentially arranged in the first air conditioning box housing; and a air distribution module, at least including a first air distribution sub-module, the first air distribution sub-module including a first air distribution housing, the air inlet of the first air distribution housing being connected to the air outlet of the first air conditioning box housing. The first air distribution housing is provided with an independent first face blowing air outlet, a first foot blowing air outlet, and a first defrosting air outlet. A first face blowing damper for controlling its opening and closing is provided on the first face blowing air outlet, a first foot blowing damper for controlling its opening and closing is provided on the first foot blowing air outlet, and a first defrosting damper for controlling its opening and closing is provided on the first defrosting air outlet.

[0008] In one preferred embodiment, the air conditioning box module further includes a second air conditioning box sub-module, the second air conditioning box sub-module including a second air conditioning box housing, the air inlet of the second air conditioning box housing being connected to another air outlet of the intake housing. Along the air flow direction, a second blower, a second cold air core, a second temperature damper, and a second warm air core are sequentially arranged in the second air conditioning box housing.

[0009] In one preferred embodiment, the air distribution module further includes a second air distribution sub-module, the second air distribution sub-module including a second air distribution housing, the air inlet of the second air distribution housing being connected to the air outlet of the second air conditioning box housing. The second air distribution housing is provided with an independent second face blowing air outlet, a second foot blowing air outlet, and a second defrosting air outlet. A second face blowing damper for controlling its opening and closing is provided on the second face blowing air outlet, a second foot blowing damper for controlling its opening and closing is provided on the second foot blowing air outlet, and a second defrosting damper for controlling its opening and closing is provided on the second defrosting air outlet.

[0010] On the other hand, the present invention adopts the following technical solutions:

[0011] A vehicle, including a vehicle body, a firewall is provided on the front side of the vehicle body. The front side of the vehicle body in front of the firewall is the front cabin, and the rear side of the vehicle body behind the firewall is the passenger cabin. The vehicle further includes the above-mentioned distributed air conditioning assembly, the intake module and the air conditioning box module are arranged in the front cabin, and the air distribution module is located in the passenger cabin.

[0012] In one preferred embodiment, the distributed air conditioning assembly includes a first air distribution sub-module and a second air distribution sub-module. One of the first air distribution sub-module and the second air distribution sub-module supplies air to the driver's seat and its surrounding area, and the other supplies air to the passenger's seat and its surrounding area.

[0013] In one preferred embodiment, a set of distributed air conditioning assemblies is further provided at the parking space of the vehicle body. The distributed air conditioning assembly includes a rear air intake module, a rear air conditioning box module, and two rear air distribution modules. The two rear air distribution modules respectively supply air to the left and right seats of the rear row and their surrounding areas.

[0014] On the other hand, the present invention adopts the following technical solutions:

[0015] An indirect heat pump air conditioning system, comprising: the above-mentioned distributed air conditioning assembly; a water pump valve group module connected to the distributed air conditioning assembly and conveying an intermediate medium to the distributed air conditioning assembly; a heating and cooling module connected to the water pump valve group module and performing heat exchange with the intermediate medium in the water pump valve group module; and a front-end cooling module connected to the water pump valve group module, wherein the front-end cooling module is configured to enable the intermediate medium in the water pump valve group module to perform heat exchange with air.

[0016] In one preferred embodiment, the water pump valve group module includes a hot-side liquid inlet distribution multi-way, a hot-side liquid return distribution multi-way, a cold-side liquid return distribution multi-way, a cold-side liquid inlet distribution multi-way, a first mode regulating valve, and a second mode regulating valve. The hot-side liquid inlet distribution multi-way, the hot-side liquid return distribution multi-way, the cold-side liquid return distribution multi-way, and the cold-side liquid inlet distribution multi-way are respectively connected to the distributed air conditioning assembly through the first mode regulating valve and the second mode regulating valve; the hot-side liquid return distribution multi-way is connected to a hot-side liquid return three-way, and the hot-side liquid return three-way is respectively connected to a hot-side medium pump and a liquid return three-way valve. The hot-side medium pump is connected to a hot-side liquid inlet three-way through an electric heater. The hot-side liquid inlet three-way is respectively connected to a liquid inlet three-way valve and the hot-side liquid inlet distribution multi-way. The liquid inlet three-way valve is respectively connected to a cold-side liquid inlet three-way and a flow regulating valve for regulating the flow rate of the intermediate medium. The flow regulating valve is connected to the front-end cooling module. The cold-side liquid inlet three-way is respectively connected to a cold-side medium pump and the cold-side liquid inlet distribution multi-way. The cold-side medium pump is connected to a cold-side liquid return three-way. The cold-side liquid return three-way is respectively connected to the liquid return three-way valve and the cold-side liquid return distribution multi-way. The third end of the liquid return three-way valve is connected to the front-end cooling module.

[0017] In one preferred embodiment, the heating and cooling module includes an electric compressor, an intermediate medium heater, an electronic expansion valve, and an intermediate medium cooler that are connected in sequence to form a loop. The pipeline between the hot-side medium pump and the hot-side return liquid three-way is connected to the intermediate medium heater to achieve heat exchange, and the pipeline between the cold-side return liquid three-way and the cold-side medium pump is connected to the intermediate medium cooler to achieve heat exchange.

[0018] In one preferred embodiment, the front-end cooling module includes a radiator, a fan assembly, and an expansion water tank for exhausting gas in the intermediate medium. The radiator is arranged within the blowing range of the fan assembly. One end of the expansion water tank is connected to the return liquid three-way valve, and the other end is connected to the radiator. The radiator is connected to the flow regulating valve.

[0019] In one preferred embodiment, the first mode regulating valve and the second mode regulating valve adopt an integrated design. The first mode regulating valve and the second mode regulating valve respectively include a valve body, a valve core, and an intermediate medium interface. There are eight intermediate medium interfaces on the valve body, and the eight intermediate medium interfaces are sequentially numbered from a to h. The valve core is provided with an internal flow channel for communicating the specified intermediate medium interfaces in each mode. According to the different positions of the valve core, the first mode regulating valve and the second mode regulating valve respectively have five working modes: Mode 1, the valve core is in the middle position, and a-h, b-c, d-e, g-f of the intermediate medium interfaces are respectively communicated, and the remaining interfaces are not communicated; Mode 2, the valve core rotates clockwise by a certain angle from the position in Mode 1, and b-c, g-f of the intermediate medium interfaces are respectively communicated, and the remaining interfaces are not communicated; Mode 3, the valve core continues to rotate clockwise by a certain angle from the position in Mode 2, and a-b, d-e, g-h of the intermediate medium interfaces are respectively communicated, and the remaining interfaces are not communicated; Mode 4, the valve core rotates counterclockwise by a certain angle from the position in Mode 1, and a-h, d-e of the intermediate medium interfaces are communicated, and the remaining interfaces are not communicated; Mode 5: The valve core continues to rotate counterclockwise by a certain angle from the position in Mode 4, and b-c, e-f, g-h of the intermediate medium interfaces are respectively communicated, and the remaining interfaces are not communicated.

[0020] On the other hand, the present invention adopts the following technical solutions:

[0021] A control method for an indirect heat pump air-conditioning system, based on the above-mentioned indirect heat pump air-conditioning system, the control method includes:

[0022] In the normal refrigeration mode, the a-h and d-e interfaces of the first mode regulating valve and the second mode regulating valve are connected, and the b-c and g-f interfaces are disconnected; the low-temperature intermediate medium in the intermediate medium cooler passes through the cold-side medium pump and the cold-side liquid inlet three-way valve and then all enters the cold-side liquid inlet distribution multi-way valve. The low-temperature intermediate medium flows into the first mode regulating valve and the second mode regulating valve respectively after passing through the cold-side liquid inlet distribution multi-way valve; the low-temperature intermediate medium in the first branch flows into the first cold air core body, cools the intake air of the first air-conditioning box module and then returns to the first mode regulating valve and enters the cold-side liquid return distribution multi-way valve; the low-temperature intermediate medium in the second branch flows into the second cold air core body, cools the intake air of the second air-conditioning box module and then returns to the second mode regulating valve and enters the cold-side liquid return distribution multi-way valve; the multi-way intermediate media converge and flow out in the cold-side liquid return distribution multi-way valve, and return to the intermediate medium cooler through the cold-side liquid return three-way valve; the high-temperature intermediate medium in the intermediate medium heater passes through the hot-side medium pump, the electric heater and the hot-side liquid inlet three-way valve and then all flows to the liquid inlet three-way valve; the high-temperature intermediate medium enters the radiator through the flow regulating valve, the high-temperature intermediate medium dissipates heat to the ambient air in the radiator, and then returns to the intermediate medium heater through the expansion water kettle, the liquid return three-way valve and the hot-side liquid return three-way valve in sequence; the first temperature damper and the second temperature damper are both in the fully closed position; the intake air passes through the first cold air core body and the second cold air core body respectively and is cooled.

[0023] In the maximum refrigeration mode, the b-c interfaces of both the liquid inlet three-way valve and the liquid return three-way valve are connected, and the a-b, d-e, and g-h interfaces of both the first mode regulating valve and the second mode regulating valve are connected; the low-temperature intermediate medium in the intermediate medium cooler passes through the cold-side medium pump and the cold-side liquid inlet three-way valve and then all enters the cold-side liquid inlet distribution multi-way valve. The low-temperature intermediate medium flows into the first mode regulating valve and the second mode regulating valve respectively after passing through the cold-side liquid inlet distribution multi-way valve; the high-temperature intermediate medium in the intermediate medium heater passes through the hot-side medium pump, the electric heater and the hot-side liquid inlet three-way valve and then all flows to the liquid inlet three-way valve; the high-temperature intermediate medium enters the radiator through the flow regulating valve, the high-temperature intermediate medium dissipates heat to the ambient air in the radiator, and then returns to the intermediate medium heater through the expansion water kettle, the liquid return three-way valve and the hot-side liquid return three-way valve in sequence; the low-temperature intermediate medium in the first mode regulating valve flows into the first warm air core body, then flows into the first cold air core body through the first mode regulating valve, and then returns to the first mode regulating valve and flows out; the low-temperature intermediate medium in the second mode regulating valve flows into the second warm air core body, then flows into the second cold air core body through the second mode regulating valve, and then returns to the second mode regulating valve and flows out; the first temperature damper and the second temperature damper are both in the fully open position, and the intake air of the first air-conditioning box module is cooled by passing through the first cold air core body and the first warm air core body in sequence, and the intake air of the second air-conditioning box module is cooled by passing through the second cold air core body and the second warm air core body in sequence.

[0024] Conventional heating mode, both the liquid inlet three-way valve and the liquid return three-way valve have their a-c interfaces connected; both the first mode regulating valve and the second mode regulating valve have their b-c and f-g interfaces connected, and their a-h and d-e interfaces are disconnected; the low-temperature intermediate medium in the intermediate medium cooler flows entirely to the liquid inlet three-way valve after passing through the cold-side medium pump and the cold-side liquid inlet three-way; the low-temperature intermediate medium passes through the flow regulating valve in the fully open position, absorbs heat from the ambient air in the radiator, then successively passes through the expansion water kettle, the liquid return three-way valve, and the cold-side liquid return three-way before returning to the intermediate medium cooler; the high-temperature intermediate medium in the intermediate medium heater flows entirely to the hot-side liquid inlet distribution multi-way and branches after passing through the hot-side medium pump, the electric heater, and the hot-side liquid inlet three-way, and respectively flows into the first mode regulating valve and the second mode regulating valve; the high-temperature intermediate medium in the first branch flows into the first warm air core, then enters the hot-side liquid return distribution multi-way through the first mode regulating valve; the high-temperature intermediate medium in the second branch flows into the second warm air core, then enters the hot-side liquid return distribution multi-way through the second mode regulating valve; the multi-way intermediate medium converges and flows out in the hot-side liquid return distribution multi-way, and returns to the intermediate medium cooler through the hot-side liquid return three-way; both the first temperature air damper and the second temperature air damper are in the fully open position; the intake air passes through the first warm air core and the second warm air core respectively and is heated;

[0025] Maximum heating / defrosting mode, both the liquid inlet three-way valve and the liquid return three-way valve have their a-c interfaces connected; the b-c, e-f, and g-h interfaces of both the first mode regulating valve and the second mode regulating valve are connected; the low-temperature intermediate medium in the intermediate medium cooler flows entirely to the liquid inlet three-way valve after passing through the cold-side medium pump and the cold-side liquid inlet three-way; the low-temperature intermediate medium passes through the flow regulating valve in the fully open position, absorbs heat from the ambient air in the radiator, then successively passes through the expansion water kettle, the liquid return three-way valve, and the cold-side liquid return three-way before returning to the intermediate medium cooler; the high-temperature intermediate medium in the intermediate medium heater flows entirely to the hot-side liquid inlet distribution multi-way and branches after passing through the hot-side medium pump, the electric heater, and the hot-side liquid inlet three-way, and respectively flows into the first mode regulating valve and the second mode regulating valve; the high-temperature intermediate medium in the first mode regulating valve flows into the first warm air core, then flows into the first cold air core through the first mode regulating valve, then returns to the first mode regulating valve and flows out; the high-temperature intermediate medium in the second mode regulating valve flows into the second warm air core, then flows into the second cold air core through the second mode regulating valve, then returns to the second mode regulating valve and flows out; both the first temperature air damper and the second temperature air damper are in the fully open position; the intake air of the first air-conditioning box module is heated successively through the first cold air core and the first warm air core, and the intake air of the second air-conditioning box module is heated successively through the second cold air core and the second warm air core;

[0026] Refrigeration and dehumidification mode, both the liquid inlet three-way valve and the liquid return three-way valve are connected with the b-c interfaces; both the first mode regulating valve and the second mode regulating valve are connected with the a-h, b-c, d-e, and f-g interfaces; the low-temperature intermediate medium in the intermediate medium cooler passes through the cold-side medium pump and the cold-side liquid inlet three-way and then all enters the cold-side liquid inlet distribution multi-way, and the low-temperature intermediate medium flows into the first mode regulating valve and the second mode regulating valve respectively after passing through the cold-side liquid inlet distribution multi-way; the low-temperature intermediate medium flows into the first cold air core body and the second cold air core body respectively through the first mode regulating valve and the second mode regulating valve; the high-temperature intermediate medium in the intermediate medium heater is divided into two branches after passing through the hot-side medium pump, the electric heater, and the hot-side liquid inlet three-way. The first branch flows to the hot-side liquid inlet distribution multi-way, and then flows into the first warm air core body and the second warm air core body respectively through the first mode regulating valve and the second mode regulating valve; then they return to the first mode regulating valve and the second mode regulating valve respectively, and the intermediate medium in the first mode regulating valve and the second mode regulating valve enters the hot-side liquid return distribution multi-way respectively, and after converging, it flows into the hot-side liquid return three-way; the second branch flows to the liquid inlet three-way valve, dissipates heat to the ambient air in the radiator after passing through the flow regulating valve, and then sequentially passes through the expansion water kettle and the liquid return three-way valve and flows into the hot-side liquid return three-way; the two-way media converge and flow out in the hot-side liquid return three-way and return to the intermediate medium cooler; the flow regulating valve adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator to the set value; the first temperature air damper and the second temperature air damper are opened to the set position according to the air outlet temperature requirement of the system; the intake air is cooled by passing through the first cold air core body and the second cold air core body respectively and then heated by passing through the first warm air core body and the second warm air core body respectively;

[0027] Heating and dehumidifying mode, the a-c interfaces of the liquid inlet three-way valve and the liquid return three-way valve are connected; the a-h, b-c, d-e, and f-g interfaces of the first mode regulating valve and the second mode regulating valve are connected; the high-temperature intermediate medium in the intermediate medium heater passes through the hot-side medium pump, the electric heater, and the hot-side liquid inlet three-way and then all flows to the hot-side liquid inlet distribution multi-way and branches, respectively flowing into the first mode regulating valve and the second mode regulating valve; the high-temperature intermediate medium flows into the first warm air core body and the second warm air core body through the first mode regulating valve and the second mode regulating valve respectively; the low-temperature intermediate medium in the intermediate medium cooler is divided into two branches after passing through the cold-side medium pump and the cold-side liquid inlet three-way. The first branch flows to the cold-side liquid inlet distribution multi-way, and then flows into the first cold air core body and the second cold air core body through the first mode regulating valve and the second mode regulating valve respectively, and then passes through the first mode regulating valve and the second mode regulating valve respectively to enter the cold-side liquid return distribution multi-way, and then flows into the cold-side liquid return three-way; the second branch flows to the liquid inlet three-way valve, absorbs the heat of the ambient air in the radiator after passing through the flow regulating valve, and then flows into the cold-side liquid return three-way through the expansion water tank and the liquid return three-way valve in sequence; the two-way media converge and flow out in the cold-side liquid return three-way and return to the intermediate medium cooler; the flow regulating valve adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator to the set value; the first temperature air door and the second temperature air door are both in the fully open position; the intake air is cooled and the humidity is reduced after passing through the first cold air core body and the second cold air core body respectively; and then is heated after passing through the first warm air core body and the second warm air core body respectively.

[0028] Defogging mode, all interfaces of the liquid inlet three-way valve and the liquid return three-way valve are not connected; the a-h, b-c, d-e, and f-g interfaces of the first mode regulating valve and the second mode regulating valve are connected; the low-temperature intermediate medium in the intermediate medium cooler passes through the cold-side medium pump and the cold-side liquid inlet three-way and then all enters the cold-side liquid inlet distribution multi-way, and the low-temperature intermediate medium flows into the first mode regulating valve and the second mode regulating valve respectively after passing through the cold-side liquid inlet distribution multi-way; the low-temperature intermediate medium flows into the first cold air core and the second cold air core respectively through the first mode regulating valve and the second mode regulating valve; the multi-way intermediate medium flows through the first mode regulating valve and the second mode regulating valve respectively and then merges and flows out in the cold-side liquid return distribution multi-way, and returns to the intermediate medium cooler through the cold-side liquid return three-way; the high-temperature intermediate medium in the intermediate medium heater passes through the hot-side medium pump, the electric heater and the hot-side liquid inlet three-way and then all flows to the hot-side liquid inlet distribution multi-way and branches, and flows into the first mode regulating valve and the second mode regulating valve respectively, and then flows into the first warm air core and the second warm air core respectively, and the first temperature air damper and the second temperature air damper are both in the fully open position; the intake air is cooled by the first cold air core and the second cold air core respectively and the humidity is reduced; then it is heated by the first warm air core and the second warm air core respectively; the first defrosting air damper and the second defrosting air damper in the first air distribution sub-module and the second air distribution sub-module are both opened;

[0029] Dual-temperature zone control, the a-h, b-c, d-e, and f-g interfaces of the first mode regulating valve and the second mode regulating valve are connected; the low-temperature intermediate medium flows into the first cold air core and the second cold air core respectively through the first mode regulating valve and the second mode regulating valve; the high-temperature intermediate medium flows into the first warm air core and the second warm air core respectively through the first mode regulating valve and the second mode regulating valve; the first temperature air damper and the second temperature air damper are opened to a set angle, so that the air flow rates introduced into the first warm air core and the second warm air core and heated are different, and thus different outlet air temperatures are generated after mixing; when the heating function is executed, the a-c interfaces of the liquid inlet three-way valve and the liquid return three-way valve are connected, and a part of the flow rate of the low-temperature intermediate medium branches out at the cold-side liquid inlet three-way and enters the radiator, absorbs the heat of the ambient air and then returns to the intermediate medium cooler; when the cooling function is executed, the b-c interfaces of the liquid inlet three-way valve and the liquid return three-way valve are connected, and a part of the flow rate of the high-temperature intermediate medium branches out at the hot-side liquid inlet three-way and enters the radiator, releases heat to the ambient air and then returns to the intermediate medium heater; when the heating function is executed and the heating power completely depends on the compression work of the compressor, the interfaces of the liquid inlet three-way valve and the liquid return three-way valve are not connected, and neither the high-temperature intermediate medium nor the low-temperature intermediate medium enters the radiator;

[0030] Full-cold and full-heat zone control, the ab, de, and gh interfaces of the first mode regulating valve are connected, and the first temperature damper is in the fully open position, so that the first air conditioning box module is in the maximum cooling mode of the two cores in series; the bc, ef, and gh interfaces of the second mode regulating valve are connected, and the second temperature dampers are all in the fully open position, so that the second air conditioning box module is in the maximum heating mode of the two cores in series; and / or,

[0031] In the defrosting mode, the bc interfaces of the liquid inlet three-way valve and the liquid return three-way valve are connected, and the ah, bc, de, and fg interfaces of the first mode regulating valve and the second mode regulating valve are connected; the low-temperature intermediate medium in the intermediate medium cooler all enters the cold side liquid inlet distribution multi-way after passing through the cold side medium pump and the cold side liquid inlet three-way, and the low-temperature intermediate medium flows into the first mode regulating valve and the second mode regulating valve respectively after passing through the cold side liquid inlet distribution multi-way; the low-temperature intermediate medium flows into the first cold air core and the second cold air core respectively through the first mode regulating valve and the second mode regulating valve; the high-temperature intermediate medium in the intermediate medium heater is divided into two branches after passing through the hot side medium pump, the electric heater, and the hot side liquid inlet three-way, and the first branch flows to the hot side liquid inlet distribution The first mode regulating valve and the second mode regulating valve respectively flow into the first warm air core and the second warm air core; then they return to the first mode regulating valve and the second mode regulating valve respectively, and the intermediate media in the first mode regulating valve and the second mode regulating valve respectively enter the hot side return liquid distribution multi-way, and flow into the hot side return liquid tee after merging; the second branch flows to the liquid inlet three-way valve, and dissipates heat to the ambient air in the radiator after passing through the flow regulating valve, and the fan assembly is not turned on, and then flows into the hot side return liquid tee through the expansion kettle and the return liquid three-way valve in sequence; the two media merge and flow out in the hot side return liquid tee, and return to the intermediate medium cooler; the flow regulating valve adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator to the set value.

[0032] The distributed air conditioning assembly disclosed in the present invention includes an air intake module, an air conditioning box module and an air distribution module, which are modularly assembled to form a configuration with multiple temperature zones and multiple mode controls in the passenger compartment, thereby meeting the functional and layout requirements of the air conditioning system for different models. The internal structure is reasonable, the flow resistance is small, the air conditioning system has low power consumption and flexible layout.

[0033] The vehicle disclosed in the present invention includes the above-mentioned distributed air conditioning assembly. The indirect heat pump air conditioning system disclosed in the present invention includes the above-mentioned distributed air conditioning assembly. The control method of the indirect heat pump air conditioning system disclosed in the present invention is based on the above-mentioned indirect heat pump air conditioning system, and can perform completely independent zoning control on parameters such as the temperature / humidity, air volume, and mode in the passenger compartment according to the actual occupancy situation, so as to meet the personalized requirements of vehicle energy conservation and environmental comfort. At the same time, the distributed air conditioning assembly is equipped with independent modular air conditioning boxes for each passenger seat, significantly reducing the external dimensions of a single air conditioning box module, so that it can be more conveniently arranged in the front compartment and reduce the occupancy of the passenger compartment space; furthermore, the flexibility of the layout of the air conditioning assembly on the vehicle is improved, and the matching difficulty of key components such as the fan is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is a schematic structural view of the distributed air conditioning assembly provided by the specific embodiment of the present invention;

[0035] Figure 2 is a side view of the dual-zone air conditioner provided by the specific embodiment of the present invention;

[0036] Figure 3 is a top view of the dual-zone air conditioner provided by the specific embodiment of the present invention;

[0037] Figure 4 is a side view of the single-zone air conditioner provided by the specific embodiment of the present invention;

[0038] Figure 5 is a top view of the single-zone air conditioner provided by the specific embodiment of the present invention;

[0039] Figure 6 is a side view of the four-zone air conditioner provided by the specific embodiment of the present invention;

[0040] Figure 7 is a top view of the four-zone air conditioner provided by the specific embodiment of the present invention;

[0041] Figure 8 is a side view of the three-zone air conditioner provided by the specific embodiment of the present invention;

[0042] Figure 9 is a top view of the three-zone air conditioner provided by the specific embodiment of the present invention;

[0043] Figure 10 is a schematic structural view of the indirect heat pump air conditioning system using the distributed air conditioning assembly provided by the specific embodiment of the present invention;

[0044] Figure 11 is a schematic structural view of the integrated mode regulating valve provided by the specific embodiment of the present invention;

[0045] Figure 12 It is a schematic diagram of the working mode of the integrated mode regulating valve provided by the specific embodiment of the present invention;

[0046] Figure 13 It is a schematic diagram of the structure of a heat pump air-conditioning system during conventional refrigeration provided by the specific embodiment of the present invention;

[0047] Figure 14 It is a schematic diagram of the structure of a heat pump air-conditioning system during maximum refrigeration provided by the specific embodiment of the present invention;

[0048] Figure 15 It is a schematic diagram of the structure of a heat pump air-conditioning system during conventional heating provided by the specific embodiment of the present invention;

[0049] Figure 16 It is a schematic diagram of the structure of a heat pump air-conditioning system during maximum heating / defrosting provided by the specific embodiment of the present invention;

[0050] Figure 17 It is a schematic diagram of the structure of a heat pump air-conditioning system during refrigeration and dehumidification provided by the specific embodiment of the present invention;

[0051] Figure 18 It is a schematic diagram of the structure of a heat pump air-conditioning system during heating and dehumidification provided by the specific embodiment of the present invention;

[0052] Figure 19 It is a schematic diagram of the structure of a heat pump air-conditioning system during fog removal provided by the specific embodiment of the present invention;

[0053] Figure 20 It is a schematic diagram of the structure of a heat pump air-conditioning system during dual-zone partition control provided by the specific embodiment of the present invention;

[0054] Figure 21 It is a schematic diagram of the structure of a heat pump air-conditioning system during full-cooling and full-heating partition control provided by the specific embodiment of the present invention;

[0055] Figure 22 It is a schematic diagram of the structure of a heat pump air-conditioning system during ice melting provided by the specific embodiment of the present invention. Specific Embodiment

[0056] To make the above objects, features and advantages of the present invention more obvious and understandable, the following will describe the specific embodiments of the present invention in detail with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0057] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0058] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0059] In the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected to", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0061] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this article are only for the purpose of illustration and do not represent the only implementation.

[0062] This embodiment discloses a distributed air conditioning assembly, as Figure 1 shown, which includes an intake module 1, an air conditioning box module 14 and an air distribution module 16. Among them, the intake module 1 includes an intake housing 6, a filter 5 provided at the air inlet of the intake housing 6, and a fresh air / circulation air damper 3 provided outside the air inlet of the intake housing 6. When the fresh air / circulation air damper 3 is in the first position, a fresh air inlet 2 is formed between the fresh air / circulation air damper 3 and the air inlet of the intake housing 6. When the fresh air / circulation air damper 3 is in the second position, a circulation air inlet 4 is formed between the fresh air / circulation air damper 3 and the air inlet of the intake housing 6. The air conditioning box module 14 at least includes a first air conditioning box sub-module 13. The first air conditioning box sub-module 13 includes a first air conditioning box housing 12. The air inlet of the first air conditioning box housing 12 is connected to an air outlet of the intake housing 6. Along the air flow direction, a first blower 8, a first cold air core 9, a first temperature damper 10 and a first warm air core 11 are sequentially arranged in the first air conditioning box housing 12. The air distribution module 16 at least includes a first air distribution sub-module 24. The first air distribution sub-module 24 includes a first air distribution housing 17. The air inlet of the first air distribution housing 17 is connected to the air outlet of the first air conditioning box housing 12. The first air distribution housing 17 is provided with independent first face blowing air outlets 19, first foot blowing air outlets 21 and first defrosting air outlets 23. A first face blowing damper 18 for controlling its opening and closing is provided on the first face blowing air outlet 19. A first foot blowing damper 20 for controlling its opening and closing is provided on the first foot blowing air outlet 21. A first defrosting damper 22 for controlling its opening and closing is provided on the first defrosting air outlet 23.

[0063] On the basis of the above structure, the air handling unit module 14 further includes a second air handling unit sub-module 39. The second air handling unit sub-module 39 includes a second air handling unit housing 34. The air inlet of the second air handling unit housing 34 is connected to another air outlet of the intake housing 6. Along the air flow direction, a second blower 38, a second cold air core 37, a second temperature air damper 36, and a second warm air core 35 are sequentially arranged in the second air handling unit housing 34. The air distribution module 16 further includes a second air distribution sub-module 32. The second air distribution sub-module 32 includes a second air distribution housing 31. The air inlet of the second air distribution housing 31 is connected to the air outlet of the second air handling unit housing 34. Independent second face vents 25, second foot vents 27, and second defrost vents 29 are provided on the second air distribution housing 31. A second face air damper 26 for controlling its opening and closing is provided on the second face vent 25. A second foot air damper 28 for controlling its opening and closing is provided on the second foot vent 27. A second defrost air damper 30 for controlling its opening and closing is provided on the second defrost vent 29.

[0064] In the distributed air conditioning assembly, the first blower 8 and the second blower 38 serve as power sources, sucking air from the intake module 1, pushing the air to flow in the air handling unit module 14, and discharging it from the air distribution module 16. The intake housing 6 forms an intake air flow path. The fresh air / circulation air damper 3 opens or closes the fresh air inlet 2 or the circulation air inlet 4 by translation or rotation, thereby controlling the intake air source and proportion flowing into the intake module 1. The intake air is purified by the filter 5 along the intake air flow path and then divided into one or more paths and flows into the corresponding air handling unit sub-modules.

[0065] As Figure 1 shown, the air flow flowing into the air handling unit module 14 branches into two branches: the first air handling unit sub-module 13 and the first air distribution sub-module 24 form the first branch, and the second air handling unit sub-module 39 and the second air distribution sub-module 32 form the second branch. The intake module 1 is connected to the first air handling unit sub-module 13 at the first air handling unit air inlet 7, and the intake module 1 is connected to the second air handling unit sub-module 39 at the second air handling unit air inlet 40. In the first branch: the first air handling unit housing 12 forms the first air handling unit internal flow path; the air volume flowing through the first branch can be adjusted by changing the rotation speed of the first blower 8. The air flow discharged by the first blower 8 all enters the first cold air core 9 and dissipates heat to the low-temperature intermediate medium in the core, thereby reducing the temperature and humidity of the intake air. Then it flows through the first temperature air damper 10. The first temperature air damper 10, according to the control signal, changes its position to introduce a part of the low-temperature air flow into the first warm air core 11 and absorbs heat from the high-temperature intermediate medium in the core; thereby raising the temperature of this part of the air flow. Then this part of the medium-temperature air flow is mixed with the low-temperature intake air bypassed by the first temperature air damper 10 and adjusted to the required temperature and humidity, and then flows into the first air distribution sub-module 24.

[0066] The first air-conditioning box module 13 is connected to the first air distribution sub-module 24 at the first air-conditioning box - air distribution sub-module interface 15. The air flow with the set temperature and humidity flows out from the first face-blowing air outlet 19, the first foot-blowing air outlet 21, and the first defrosting air outlet 23 along the first air distribution flow path formed by the first air distribution housing 17. The first face-blowing air damper 18, the first foot-blowing air damper 20, and the first defrosting air damper 22 control the air flow rates flowing out from the above-mentioned air outlets respectively by adjusting their damper positions.

[0067] Similarly, in the second branch: The second air-conditioning box housing 34 forms the second internal flow path of the air-conditioning box; the air volume flowing through the second branch can be adjusted by changing the rotational speed of the second blower 38. All the air flow discharged by the second blower 38 enters the second cold air core 37 and dissipates heat to the low-temperature intermediate medium in the core, so that the temperature of the incoming air decreases and the humidity decreases. Then it flows through the second temperature damper 36. The second temperature damper 36, according to the control signal, by changing its position, guides a part of the low-temperature air flow into the second warm air core 35 and absorbs heat from the high-temperature intermediate medium in the core; thus raising the temperature of this part of the air flow. Then this part of the medium-temperature air flow is mixed with the low-temperature incoming air bypassed by the second temperature damper 36, adjusted to the required temperature and humidity, and then flows into the second air distribution sub-module 32. The second air-conditioning box module 39 is connected to the second air distribution sub-module 32 at the second air-conditioning box - air distribution sub-module interface 33. The air flow with the set temperature and humidity flows out from the second face-blowing air outlet 25, the second foot-blowing air outlet 27, and the second defrosting air outlet 29 along the second air distribution flow path formed by the second air distribution housing 31. The second face-blowing air damper 26, the second foot-blowing air damper 28, and the second defrosting air damper 30 control the air flow rates flowing out from the above-mentioned air outlets respectively by adjusting their damper positions.

[0068] The distributed air-conditioning assembly can be assembled in a modular splicing manner to form configurations for multiple temperature zones and multiple mode controls in the passenger compartment, so as to meet the functional and layout requirements of the air-conditioning system for different vehicle models.

[0069] As Figures 2 to 9 shown, the vehicle includes a vehicle body. A firewall 42 is provided on the front side of the vehicle body. The front compartment 41 is located in front of the firewall 42 in the vehicle body, and the passenger compartment 43 is located behind the firewall 42. The intake module 1 and the air-conditioning box module 14 are provided in the front compartment 41, and the air distribution module 16 is located in the passenger compartment 43.

[0070] The air-conditioning assembly configuration for providing dual-zone control for the passenger compartment is as Figure 2 and Figure 3As shown in the figure. The intake module 1 and the air-conditioning box module 14 are arranged inside the front cabin 41 in front of the firewall 42, and the air distribution module 16 is arranged inside the passenger cabin 43 behind the firewall 42. The air-conditioning box module 14 includes a first air-conditioning box sub-module 13 and a second air-conditioning box sub-module 39, and the air distribution module 16 includes a first air distribution sub-module 24 and a second air distribution sub-module 32. The ambient fresh air at the front of the vehicle or the front interior return air of the vehicle enters the air-conditioning assembly from the intake module 1 and then is divided into two paths. One path sequentially passes through the first air-conditioning box sub-module 13 and the first air distribution sub-module 24 to supply air to the driver's seat 44 and its surrounding area; the other path sequentially passes through the second air-conditioning box sub-module 39 and the second air distribution sub-module 32 to supply air to the passenger's seat 45 and its surrounding area. The first air-conditioning box sub-module 13 and the second air-conditioning box sub-module 39 independently adjust the air volume, temperature and humidity of the flowing gas according to the needs of the occupants, with the help of the fans, heat exchange cores and temperature dampers inside the modules; the first air distribution sub-module 24 and the second air distribution sub-module 32 independently adjust the air supply mode according to the needs of the occupants, with the help of the internal dampers; thus realizing the air-conditioning function of dual temperature zones and independent modes on the whole vehicle, where the air supply temperature / humidity, air volume and mode of the driver's seat and the passenger's seat can be independently adjusted.

[0071] The configuration scheme of the air-conditioning assembly providing single temperature zone control for the passenger cabin is as Figure 4 and Figure 5 shown in the figure. Its layout is similar to that of the dual temperature zone air conditioner, but the air-conditioning box module 14 only includes the first air-conditioning box sub-module 13, and the air distribution module 16 can include one or two air distribution sub-modules. In this embodiment, the air distribution module 16 includes the first air distribution sub-module 24 and the second air distribution sub-module 32; thus realizing the single temperature zone air-conditioning function where the air supply temperature / humidity and air volume of the driver's seat 44 and the passenger's seat 45 cannot be independently adjusted, while the mode can be adjusted non-independently or independently according to the configuration.

[0072] The configuration scheme of the air-conditioning assembly providing four temperature zone control for the passenger cabin is as Figure 6 and Figure 7As shown in the figure. The layout of the air conditioning assemblies in the front cabin and the front row is the same as that of the dual-zone air conditioner. At the same time, a separate set of air conditioning assemblies is added at the rear of the vehicle body, including a rear air intake module 49, a rear air conditioning box module 48, and a rear air distribution module 47. The rear air conditioning box module 48 includes a first rear air conditioning box sub-module 51 and a second rear air conditioning box sub-module 53. The rear air distribution module 47 includes a first rear air distribution sub-module 50 and a second rear air distribution sub-module 52. The fresh air from the environment at the rear of the vehicle body or the return air at the rear of the vehicle interior enters the air conditioning assembly from the rear air intake module 49, and then is divided into two paths. One path sequentially passes through the first rear air conditioning box sub-module 51 and the first rear air distribution sub-module 50 to supply air to the left seat of the rear row seat 46 and its surrounding area; the other path sequentially passes through the second rear air conditioning box sub-module 53 and the second rear air distribution sub-module 52 to supply air to the right seat of the rear row seat 46 and its surrounding area. The first rear air conditioning box sub-module 51 and the second rear air conditioning box sub-module 53 independently adjust the air volume, temperature, and humidity of the flowing gas according to the needs of the occupants, with the help of the fans, heat exchange cores, and temperature dampers inside the modules; the first rear air distribution sub-module 50 and the second rear air distribution sub-module 52 independently adjust the air supply mode according to the needs of the occupants, with the help of the internal dampers; thus realizing the air conditioning function of four temperature zones and independent modes on the whole vehicle, where the air supply temperature / humidity, air volume, and mode of the front row driver's seat, co-driver's seat, rear row left seat, and rear row right seat can be independently adjusted.

[0073] The configuration scheme of the air conditioning assembly providing three-zone control for the passenger compartment is as Figure 8 and Figure 9 shown. Its layout is similar to that of the four-zone air conditioner, but the rear air conditioning box module 48 only includes one air conditioning box sub-module, and the rear air distribution module 47 can include one or two air distribution sub-modules; thus realizing that the air supply temperature / humidity and air volume of the left and right seats of the rear row seat 46 cannot be independently adjusted, while the mode can be adjusted non-independently or independently according to the configuration. And combined with the dual-zone air conditioning assembly configuration in the front row; thus realizing the air conditioning function of three temperature zones and independent modes on the whole vehicle, where the air supply temperature / humidity, air volume, and mode of the driver's seat, co-driver's seat, and rear row can be independently adjusted.

[0074] The air conditioning assembly and the air conditioning system can perform completely independent zonal control on parameters such as the temperature / humidity, air volume, and mode of the passenger compartment according to the actual number of passengers, so as to meet the personalized requirements of the whole vehicle for energy conservation and environmental comfort. At the same time, the distributed air conditioning assembly configures independent modular air conditioning boxes for each passenger seat, significantly reducing the external dimensions of a single air conditioning box module, thus being more conveniently arranged in the front cabin and reducing the occupation of the passenger compartment space; furthermore, improving the layout flexibility of the air conditioning assembly on the whole vehicle and reducing the matching difficulty of key components such as the fan.

[0075] As Figure 10As shown, the indirect heat pump air conditioning system includes a distributed air conditioning assembly, a water pump valve group module 73, a heating and cooling module 57, and a front-end cooling module 54. The three functional modules, namely the water pump valve group module 73, the heating and cooling module 57, and the front-end cooling module 54, provide an intermediate medium at an appropriate temperature for the air conditioning box module 14 containing one or more air conditioning box sub-modules in the distributed air conditioning assembly.

[0076] Among them, the water pump valve group module 73 is connected to the distributed air conditioning assembly and conveys the intermediate medium to the distributed air conditioning assembly. The heating and cooling module 57 is connected to the water pump valve group module 73 and exchanges heat with the intermediate medium in the water pump valve group module 73. The front-end cooling module 54 is connected to the water pump valve group module 73, and the front-end cooling module 54 is configured to enable the intermediate medium in the water pump valve group module 73 to exchange heat with the air.

[0077] The water pump valve group module 73 includes a hot-side liquid inlet distribution multi-way 69, a hot-side liquid return distribution multi-way 70, a cold-side liquid return distribution multi-way 74, a cold-side liquid inlet distribution multi-way 75, a first mode regulating valve 72, and a second mode regulating valve 71. The hot-side liquid inlet distribution multi-way 69, the hot-side liquid return distribution multi-way 70, the cold-side liquid return distribution multi-way 74, and the cold-side liquid inlet distribution multi-way 75 are respectively connected to the distributed air conditioning assembly through the first mode regulating valve 72 and the second mode regulating valve 71. The hot-side liquid return distribution multi-way 70 is connected to the hot-side liquid return three-way 68. The hot-side liquid return three-way 68 is respectively connected to the hot-side medium pump 63 and the liquid return three-way valve 67. The hot-side medium pump 63 is connected to the hot-side liquid inlet three-way 64 through the electric heater 65. The hot-side liquid inlet three-way 64 is respectively connected to the inlet three-way valve 62 and the hot-side liquid inlet distribution multi-way 69. The inlet three-way valve 62 is respectively connected to the cold-side liquid inlet three-way 78 and the flow regulating valve 77 for regulating the flow rate of the intermediate medium. The flow regulating valve 77 is connected to the front-end cooling module 54. The cold-side liquid inlet three-way 78 is respectively connected to the cold-side medium pump 79 and the cold-side liquid inlet distribution multi-way 75. The cold-side medium pump 79 is connected to the cold-side liquid return three-way 66. The cold-side liquid return three-way 66 is respectively connected to the liquid return three-way valve 67 and the cold-side liquid return distribution multi-way 74. The third end of the liquid return three-way valve 67 is connected to the front-end cooling module 54.

[0078] The heating and cooling module 57 includes an electric compressor 60, an intermediate medium heater 61, an electronic expansion valve 59, and an intermediate medium cooler 58, which are sequentially connected through pipelines to form a loop. The pipeline between the hot-side medium pump 63 and the hot-side liquid return three-way 68 is connected to the intermediate medium heater 61 to achieve heat exchange. The pipeline between the cold-side liquid return three-way 66 and the cold-side medium pump 79 is connected to the intermediate medium cooler 58 to achieve heat exchange.

[0079] The front-end cooling module 54 includes a radiator 55, a fan assembly 56, and an expansion water tank 76 for exhausting gas in the intermediate medium. The radiator 55 is arranged within the blowing range of the fan assembly 56. One end of the expansion water tank 76 is connected to the return liquid three-way valve 67, and the other end is connected to the radiator 55. The radiator 55 is connected to the flow regulating valve 77.

[0080] The refrigerant of this indirect heat pump air-conditioning system circulates in the components and refrigerant pipelines of the heating and cooling module 57. According to system requirements, the refrigerant can be a conventional refrigerant such as R134a, R1234yf, R407c, R410a, etc., or a high-performance and highly environmentally friendly refrigerant such as R290, R744, etc. Other phase change refrigerants that can meet the requirements are also acceptable.

[0081] The intermediate medium of this indirect heat pump air-conditioning system circulates in the components and intermediate medium pipelines of the front-end cooling module 54, the heating and cooling module 57, the water pump valve group module 73, and the air-conditioning box module 14. According to system requirements, the intermediate medium can be, but is not limited to, a liquid medium such as pure water, a mixture of water and alcohols such as ethylene glycol or glycerol, an aqueous inorganic salt solution, alcohol, oil, etc.

[0082] In this indirect heat pump air-conditioning system, the valve bodies of the inlet liquid three-way valve 62 and the return liquid three-way valve 67 have three intermediate medium interfaces, numbered a - c in sequence. Both the inlet liquid three-way valve 62 and the return liquid three-way valve 67 have three working modes: Mode 1, the intermediate medium interfaces a - c are connected, and the other interfaces are not connected; Mode 2, the intermediate medium interfaces b - c are connected, and the other interfaces are not connected; Mode 3, all the intermediate medium interfaces are not connected. The intermediate medium inlet 62 - a of the inlet liquid three-way valve 62 is connected to the cold-side inlet liquid three-way 78, the intermediate medium inlet 62 - b is connected to the hot-side inlet liquid three-way 64, and the intermediate medium outlet 62 - c is connected to the flow regulating valve 77. The intermediate medium outlet 67 - a of the return liquid three-way valve 67 is connected to the cold-side return liquid three-way 66, the intermediate medium outlet 67 - b is connected to the hot-side return liquid three-way 68, and the intermediate medium inlet 67 - c is connected to the expansion water tank 76.

[0083] The first mode regulating valve 72 and the second mode regulating valve 71 are used to control the flow direction of the intermediate medium, thereby realizing different system operation modes. As Figure 11 shown, the mode regulating valve preferably adopts an integrated design, including a valve body 80, a valve core 81, and an intermediate medium interface 82. The valve body 80 has eight intermediate medium interfaces 82, numbered a - h in sequence; the valve core 81 is provided with a specially designed internal flow channel for connecting the specified intermediate medium interfaces 82 in each mode. By rotating the valve core 81 to different positions, different medium interface connection methods can be achieved, thereby changing the flow direction of the medium and realizing different system operation modes.

[0084] AsFigure 12 As shown, according to the different positions of the valve core 81, this mode regulating valve has five typical working modes: Mode 1, the valve core 81 is in the middle position, and a-h, b-c, d-e, g-f of the intermediate medium interface 82 are respectively connected, and the rest of the interfaces are not connected; Mode 2, the valve core 81 rotates clockwise by a certain angle from the position in Mode 1, and b-c, g-f of the intermediate medium interface 82 are respectively connected, and the rest of the interfaces are not connected; Mode 3, the valve core 81 continues to rotate clockwise by a certain angle from the position in Mode 2, and a-b, d-e, g-h of the intermediate medium interface 82 are respectively connected, and the rest of the interfaces are not connected; Mode 4, the valve core 81 rotates counterclockwise by a certain angle from the position in Mode 1, and a-h, d-e of the intermediate medium interface 82 are connected, and the rest of the interfaces are not connected; Mode 5: The valve core 81 continues to rotate counterclockwise by a certain angle from the position in Mode 4, and b-c, e-f, g-h of the intermediate medium interface 82 are respectively connected, and the rest of the interfaces are not connected.

[0085] Of course, the functions of the above-mentioned mode regulating valve can also be realized by combining multiple two-way valves, three-way valves or four-way valves.

[0086] The connection modes of the mode regulating valve with other components of the heat pump air-conditioning system are as follows: The interface 72-a of the first mode regulating valve 72 is connected to the cold-side liquid inlet distribution multi-way 75, the interface 72-b is connected to the inlet of the first warm air core 11, the interface 72-c is connected to the hot-side liquid inlet distribution multi-way 69, the interface 72-d is connected to the cold-side liquid return distribution multi-way 74, the interface 72-e is connected to the outlet of the first cold air core 9, the interface 72-f is connected to the hot-side liquid return distribution multi-way 70, the interface 72-g is connected to the outlet of the first warm air core 11, and the interface 72-h is connected to the inlet of the first cold air core 9. The interface 71-a of the second mode regulating valve 71 is connected to the cold-side liquid inlet distribution multi-way 75, the interface 71-b is connected to the inlet of the second warm air core 35, the interface 71-c is connected to the hot-side liquid inlet distribution multi-way 69, the interface 71-d is connected to the cold-side liquid return distribution multi-way 74, the interface 71-e is connected to the outlet of the second cold air core 37, the interface 71-f is connected to the hot-side liquid return distribution multi-way 70, the interface 71-g is connected to the outlet of the second warm air core 35, and the interface 71-h is connected to the inlet of the second cold air core 37.

[0087] Based on the above structure, both the cold-side liquid inlet distribution multi-way 75 and the hot-side liquid inlet distribution multi-way 69 are of the structure of one inlet and multiple outlets, and the number of outlet branches is equal to the number of air-conditioning box modules in the system. Both the cold-side liquid return distribution multi-way 74 and the hot-side liquid return distribution multi-way 70 are of the structure of multiple inlets and one outlet, and the number of inlet branches is equal to the number of air-conditioning box modules in the system. The flow regulating valve 77 adjusts the flow rate of the intermediate medium flowing through this branch by changing its own passage diameter.

[0088] Refrigerant circulation route: The compressor 60 sucks in the low-temperature and low-pressure gaseous refrigerant from the inlet, compresses it into a high-temperature and high-pressure gaseous refrigerant, and discharges it. The high-temperature and high-pressure gaseous refrigerant flows into the intermediate medium heater 61, where it exchanges heat with the relatively low-temperature intermediate medium inside; the refrigerant releases heat and liquefies into a medium-temperature and high-pressure liquid refrigerant. The liquid refrigerant then flows into the electronic expansion valve 59 and undergoes throttling expansion, transforming into a low-temperature and low-pressure two-phase fluid. The refrigerant in the two-phase state then flows into the intermediate medium cooler 58, where it exchanges heat with the relatively high-temperature intermediate medium inside; the refrigerant absorbs heat and vaporizes into a medium-temperature and low-pressure gaseous refrigerant. The low-temperature and low-pressure gaseous refrigerant finally flows back to the inlet of the compressor 60.

[0089] Intermediate medium circulation route: The intermediate medium exchanges heat with the refrigerant in the intermediate medium cooler 58 and is cooled into a low-temperature intermediate medium; it is pumped by the cold-side medium pump 79 and transported to the cold-side liquid inlet three-way valve 78, and then divides into two paths: one path flows to the cold-side liquid inlet distribution multi-way valve 75, and the other path flows to the liquid inlet three-way valve 62. The intermediate medium exchanges heat with the refrigerant in the intermediate medium heater 61 and is heated into a high-temperature intermediate medium; it is pumped by the hot-side medium pump 63, passes through the electric heater 65, and is transported to the hot-side liquid inlet three-way valve 64, and divides into two paths: one path flows to the hot-side liquid inlet distribution multi-way valve 69, and the other path also flows to the liquid inlet three-way valve 62.

[0090] The low-temperature intermediate medium is further divided into multiple branches after passing through the cold-side liquid inlet distribution multi-pass 75 and flows into each mode regulating valve respectively; the high-temperature intermediate medium is further divided into multiple branches after passing through the hot-side liquid inlet distribution multi-pass 69 and flows into each mode regulating valve respectively. First branch: The low-temperature intermediate medium flows into the valve body from the 72-a interface of the first mode regulating valve 72, flows out of the valve body from the 72-d interface, and enters the cold-side liquid return distribution multi-pass 74; the high-temperature intermediate medium flows into the valve body from the 72-c interface of the first mode regulating valve 72, flows out of the valve body from the 72-f interface, and enters the hot-side liquid return distribution multi-pass 70. The intermediate medium entering the valve body described above, one part flows through 72-h into the first cold air core 9, exchanges heat with the air flowing through this core, and then returns to the first mode regulating valve 72 from the 72-e interface; the other part flows through 72-b into the first warm air core 11, exchanges heat with the air flowing through this core, and then returns to the first mode regulating valve 72 from the 72-g interface. Second branch: The low-temperature intermediate medium flows into the valve body from the 71-a interface of the second mode regulating valve 71, flows out of the valve body from the 71-d interface, and enters the cold-side liquid return distribution multi-pass 74; the high-temperature intermediate medium flows into the valve body from the 71-c interface of the second mode regulating valve 71, flows out of the valve body from the 71-f interface, and enters the hot-side liquid return distribution multi-pass 70. The intermediate medium entering the valve body described above, one part flows through 71-h into the second cold air core 37, exchanges heat with the air flowing through this core, and then returns to the second mode regulating valve 71 from the 71-e interface. If there are more branches, the flow process of each branch is exactly the same as the above. Each mode regulating valve is in the corresponding working mode according to the control signal, thereby controlling the interface connection mode.

[0091] The liquid inlet three-way valve 62 is in the corresponding working mode according to the control signal, and selects to let the high-temperature intermediate medium or the low-temperature intermediate medium flow into the flow regulating valve 77, continue to flow into the radiator 55, exchange heat with the surrounding environment therein, then pass through the expansion water tank 76, remove the entrained gas, and then enter the liquid return three-way valve 67. The fan assembly 56 operates according to the control signal, drives the ambient air to flow through the radiator, and exchanges heat with the intermediate medium inside the radiator 55. The liquid return three-way valve 67 is in the corresponding working mode according to the control signal, and selects to let the intermediate medium passing through the cooling module 54 enter the hot-side liquid return three-way 68 or the cold-side liquid return three-way 66.

[0092] The intermediate medium that enters the cold-side liquid return distribution multi-pass 74 and has its temperature increased passes through the cold-side liquid return three-way 66, and after being mixed with the intermediate medium flowing back from the liquid return three-way valve 67, returns to the intermediate medium cooler 58. The intermediate medium that enters the hot-side liquid return distribution multi-pass 70 and has its temperature decreased passes through the hot-side liquid return three-way 68, and after being mixed with the intermediate medium flowing back from the liquid return three-way valve 67, returns to the intermediate medium heater 61.

[0093] The indirect heat pump air conditioning system has multiple operating modes. Typical system operating modes include conventional refrigeration (single core), maximum refrigeration (two cores in series), conventional heating (single core), maximum heating / defrosting (two cores in series), refrigeration dehumidification, heating dehumidification, defogging, zone control (dual temperature zones), zone control (fully cold and fully hot), and / or ice melting mode, etc. The meaning of "and / or" is that the indirect heat pump air conditioning system can execute one, several, or all of the above operating modes, and it is not required to have all the operating modes.

[0094] Figure 13 Shown is System Operating Mode 1: Conventional Refrigeration (Single Core) Mode. The liquid inlet three-way valve 62 and the liquid return three-way valve 67 are both in Mode 2, and the b-c interfaces of the three-way valve are connected. The First Mode Adjusting Valve 72 and the Second Mode Adjusting Valve 71 are both in Mode 4; the a-h and d-e interfaces of the mode adjusting valve are connected, so there is intermediate medium flowing through both the First Cold Air Core 9 and the Second Cold Air Core 37; the b-c and g-f interfaces of the mode adjusting valve are disconnected, so there is no intermediate medium flowing through both the First Warm Air Core 11 and the Second Warm Air Core 35.

[0095] The low-temperature intermediate medium in the Intermediate Medium Cooler 58 passes through the cold-side medium pump 79 and the cold-side liquid inlet three-way 78 and then all enters the cold-side liquid inlet distribution multi-way 75 and branches, and then flows into the First Mode Adjusting Valve 72 and the Second Mode Adjusting Valve 71 respectively. The low-temperature intermediate medium in the first branch flows into the First Cold Air Core 9, cools the intake air of the First Air Conditioning Box Module 13, and then returns to the First Mode Adjusting Valve 72 and enters the cold-side liquid return distribution multi-way 74; the low-temperature intermediate medium in the second branch flows into the Second Cold Air Core 37, cools the intake air of the Second Air Conditioning Box Module 39, and then returns to the Second Mode Adjusting Valve 71 and enters the cold-side liquid return distribution multi-way 74. The multiple paths of intermediate medium converge and flow out in the cold-side liquid return distribution multi-way 74, pass through the cold-side liquid return three-way 66, and return to the Intermediate Medium Cooler 58.

[0096] The high-temperature intermediate medium in the Intermediate Medium Heater 61 passes through the hot-side medium pump 63, the electric heater 65, and the hot-side liquid inlet three-way 64, and then all flows to the liquid inlet three-way valve 62; the electric heater 65 does not work in this mode. The high-temperature intermediate medium passes through the flow regulating valve 77 in the fully open position, dissipates heat to the ambient air in the radiator 55, and then passes through the expansion water kettle 76, the liquid return three-way valve 67, and the hot-side liquid return three-way 68 in sequence, and returns to the Intermediate Medium Heater 61. The fan assembly 56 can be turned on as needed to ensure the ambient air volume flowing through the radiator 55.

[0097] The first temperature damper 10 in the first air-conditioning box module 13 and the second temperature damper 36 in the second air-conditioning box module 39 are both in the fully closed position; the intake air passes through the first cold air core 9 and the second cold air core 37 respectively and is cooled, thus realizing the conventional refrigeration function.

[0098] Figure 14 Shown is the second working mode of the system: the maximum refrigeration (two-core series) mode. The liquid inlet three-way valve 62 and the liquid return three-way valve 67 are both in mode 2, and the b-c interfaces of the three-way valve are connected. The first mode regulating valve 72 and the second mode regulating valve 71 are both in mode 3; the a-b, d-e, and g-h interfaces of the mode regulating valve are all connected, so there is intermediate medium flowing through the first cold air core 9, the first warm air core 11, the second cold air core 37, and the second warm air core 35.

[0099] Before the first mode regulating valve 72 and the second mode regulating valve 71, the flow of the high- and low-temperature intermediate media in this mode is exactly the same as that in the single-core conventional refrigeration mode (i.e., mode one). After the first mode regulating valve 72, the low-temperature intermediate medium first flows into the first warm air core 11 to cool the downstream intake air of the first air-conditioning box module 13, then passes through the first mode regulating valve 72, then flows into the first cold air core 9 to cool the upstream intake air of the first air-conditioning box module 13, and finally returns to the first mode regulating valve 72 and flows out. After the second mode regulating valve 71, the low-temperature intermediate medium first flows into the second warm air core 35 to cool the downstream intake air of the second air-conditioning box module 39, then passes through the second mode regulating valve 71, then flows into the second cold air core 37 to cool the upstream intake air of the second air-conditioning box module 39, and finally returns to the second mode regulating valve 71 and flows out.

[0100] The first temperature damper 10 in the first air-conditioning box module 13 and the second temperature damper 36 in the second air-conditioning box module 39 are both in the fully open position. The intake air of the first air-conditioning box module 13 is cooled successively by the first cold air core 9 and the first warm air core 11, and the intake air of the second air-conditioning box module 39 is cooled successively by the second cold air core 37 and the second warm air core 35. Since the intake air of the air-conditioning box is cooled twice, the refrigeration power and efficiency of the system are both improved compared with the single-core conventional refrigeration.

[0101] Figure 15 Shown is the third working mode of the system: the conventional heating (single-core) mode. The liquid inlet three-way valve 62 and the liquid return three-way valve 67 are both in mode 1, and the a-c interfaces of the three-way valve are connected. The first mode regulating valve 72 and the second mode regulating valve 71 are both in mode 2; the b-c and f-g interfaces of the mode regulating valve are connected, so there is intermediate medium flowing through the first warm air core 11 and the second warm air core 35; the a-h and d-e interfaces of the mode regulating valve are disconnected, so there is no intermediate medium flowing through the first cold air core 9 and the second cold air core 37.

[0102] The low-temperature intermediate medium in the intermediate medium cooler 58 flows entirely to the inlet three-way valve 62 after passing through the cold-side medium pump 79 and the cold-side inlet three-way 78. The low-temperature intermediate medium passes through the flow regulating valve 77 in the fully open position, absorbs heat from the ambient air in the radiator 55, and then successively passes through the expansion water tank 76, the return three-way valve 67, and the cold-side return three-way 66, and returns to the intermediate medium cooler 58. The fan assembly 56 can be turned on as needed to ensure the ambient air volume flowing through the radiator 55.

[0103] The high-temperature intermediate medium in the intermediate medium heater 61 flows entirely to the hot-side inlet distribution multi-way 69 and branches after passing through the hot-side medium pump 63, the electric heater 65, and the hot-side inlet three-way 64, and then respectively flows into the first mode regulating valve 72 and the second mode regulating valve 71. In this mode, the electric heater 65 can be turned on according to the system demand to supplement heat to the high-temperature intermediate medium. The high-temperature intermediate medium in the first branch flows into the first warm air core 11, heats the intake air of the first air-conditioning box module 13, and then returns to the first mode regulating valve 72 and enters the hot-side return liquid distribution multi-way 70; the high-temperature intermediate medium in the second branch flows into the second warm air core 35, heats the intake air of the second air-conditioning box module 39, and then returns to the second mode regulating valve 71 and enters the hot-side return liquid distribution multi-way 70. The multiple paths of intermediate medium converge and flow out in the hot-side return liquid distribution multi-way 70, pass through the hot-side return three-way 68, and return to the intermediate medium cooler 61.

[0104] The first temperature damper 10 in the first air-conditioning box module 13 and the second temperature damper 36 in the second air-conditioning box module 39 are both in the fully open position; the intake air passes through the first warm air core 11 and the second warm air core 35 respectively and is heated, thereby realizing the conventional heating function.

[0105] Figure 16 The system working mode four is shown: the maximum heating / defrosting (two cores in series) mode. The inlet three-way valve 62 and the return three-way valve 67 are both in mode 1, and the a-c interfaces of the three-way valve are connected. The first mode regulating valve 72 and the second mode regulating valve 71 are both in mode 5; the b-c, e-f, and g-h interfaces of the mode regulating valve are all connected, so there is intermediate medium flowing through the first cold air core 9, the first warm air core 11, the second cold air core 37, and the second warm air core 35.

[0106] Before the first-mode regulating valve 72 and the second-mode regulating valve 71, the flow of the high- and low-temperature intermediate media in this mode is exactly the same as that in the single-core conventional heating mode (i.e., mode three). After the first-mode regulating valve 72, the high-temperature intermediate medium first flows into the first warm air core 11 to heat the downstream intake air of the first air-conditioning box module 13, then passes through the first-mode regulating valve 72, and then flows into the first cold air core 9 to heat the upstream intake air of the first air-conditioning box module 13, and finally returns to the first-mode regulating valve 72 and flows out. After the second-mode regulating valve 71, the high-temperature intermediate medium first flows into the second warm air core 35 to heat the downstream intake air of the second air-conditioning box module 39, then passes through the second-mode regulating valve 71, and then flows into the second cold air core 37 to heat the upstream intake air of the second air-conditioning box module 39, and finally returns to the second-mode regulating valve 71 and flows out.

[0107] The first temperature air door 10 in the first air-conditioning box module 13 and the second temperature air door 36 in the second air-conditioning box module 39 are both in the fully open position. The intake air of the first air-conditioning box module 13 is heated successively by the first cold air core 9 and the first warm air core 11, and the intake air of the second air-conditioning box module 39 is heated successively by the second cold air core 37 and the second warm air core 35. Since the air intake of the air-conditioning box is heated twice, the heating power and efficiency of the system are both improved compared with mode three: conventional heating (single core).

[0108] Figure 17 The figure shows the working mode five of the system: the refrigeration and dehumidification mode. The liquid inlet three-way valve 62 and the liquid return three-way valve 67 are both in mode 2, and the b-c interfaces of the three-way valve are connected. The first-mode regulating valve 72 and the second-mode regulating valve 71 are both in mode 1; the a-h, b-c, d-e, and f-g interfaces of the mode regulating valve are all connected, so there is intermediate medium flowing through the first cold air core 9, the first warm air core 11, the second cold air core 37, and the second warm air core 35.

[0109] The flow of the low-temperature intermediate medium in this mode is exactly the same as that in the single-core conventional refrigeration mode (i.e., mode one); the low-temperature intermediate medium flows into the first cold air core 9 and the second cold air core 37 respectively through the first-mode regulating valve 72 and the second-mode regulating valve 71 to cool the upstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39.

[0110] The high-temperature intermediate medium in the intermediate medium heater 61 passes through the hot-side medium pump 63, the electric heater 65, and the hot-side inlet liquid three-way joint 64, and then divides into two branches: the first branch flows to the hot-side inlet liquid distribution multi-way joint 69, and then flows into the first warm air core 11 and the second warm air core 35 respectively through the first mode regulating valve 72 and the second mode regulating valve 71, heating the downstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39; then it returns to the above two mode regulating valves, enters the hot-side return liquid distribution multi-way joint 70, and then flows into the hot-side return liquid three-way joint 68. The second branch flows to the inlet liquid three-way valve 62, passes through the flow regulating valve 77, dissipates heat to the ambient air in the radiator 55, and then passes through the expansion water tank 76 and the return liquid three-way valve 67 in sequence, and flows into the hot-side return liquid three-way joint 68. The two-way media merge and flow out in the hot-side return liquid three-way joint 68 and return to the intermediate medium cooler 61. The fan assembly 56 can be turned on as needed to ensure the ambient air volume flowing through the radiator 55.

[0111] In this mode, the electric heater 65 does not work. The flow regulating valve 77 adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator 55 according to the system requirements by changing its own passage diameter, and thus adjusts the heating power of the first warm air core 11 and the second warm air core 35.

[0112] The first temperature air damper 10 in the first air-conditioning box module 13 and the second temperature air damper 36 in the second air-conditioning box module 39 are both in a certain intermediate position according to the system's outlet air temperature requirements; the intakes in the two air-conditioning box modules pass through the first cold air core 9 and the second cold air core 37 respectively and are cooled, and the humidity is reduced; then they pass through the first warm air core 11 and the second warm air core 35 respectively and are heated, and the temperature rises to the system requirements. Since in this mode, the refrigeration power of the cold air core is significantly higher than the heating power of the warm air core, and the outlet air temperature is lower than the intake air, the refrigeration and dehumidification functions are realized.

[0113] Figure 18 The system working mode six is shown: the heating and dehumidification mode. The inlet liquid three-way valve 62 and the return liquid three-way valve 67 are both in mode 1, and the a-c interfaces of the three-way valve are connected. The first mode regulating valve 72 and the second mode regulating valve 71 are both in mode 1; the a-h, b-c, d-e, and f-g interfaces of the mode regulating valve are all connected, so there is intermediate medium flowing through the first cold air core 9, the first warm air core 11, the second cold air core 37, and the second warm air core 35.

[0114] The flow of the high-temperature intermediate medium in this mode is exactly the same as that in the single-core conventional heating mode (i.e., mode three); the high-temperature intermediate medium flows into the first warm air core 11 and the second warm air core 35 respectively through the first mode regulating valve 72 and the second mode regulating valve 71, heating the downstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39.

[0115] The low-temperature intermediate medium in the intermediate medium cooler 58 passes through the cold-side medium pump 79 and the cold-side liquid inlet three-way valve 78, and then is divided into two branches: The first branch flows to the cold-side liquid inlet distribution multi-way valve 75, and then flows into the first cold air core 9 and the second cold air core 37 through the first mode regulating valve 72 and the second mode regulating valve 71 respectively, cooling the upstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39; then it returns to the above two mode regulating valves, enters the cold-side liquid return distribution multi-way valve 74, and then flows into the cold-side liquid return three-way valve 66. The second branch flows to the liquid inlet three-way valve 62, passes through the flow regulating valve 77, absorbs the heat of the ambient air in the radiator 55, and then passes through the expansion water kettle 76 and the liquid return three-way valve 67 in sequence, and flows into the cold-side liquid return three-way valve 66. The two-way media merge and flow out in the cold-side liquid return three-way valve 66, and return to the intermediate medium cooler 58. The fan assembly 56 can be turned on as needed to ensure the ambient air volume flowing through the radiator 55.

[0116] In this mode, the electric heater 65 can be turned on according to the system requirements to supplement heat to the high-temperature intermediate medium. The flow regulating valve 77 adjusts the flow rate of the low-temperature intermediate medium flowing through the radiator 55 according to the system requirements by changing its own passage diameter, thereby adjusting the refrigeration power of the first cold air core 9 and the second cold air core 37.

[0117] The first temperature damper 10 in the first air-conditioning box module 13 and the second temperature damper 36 in the second air-conditioning box module 39 are both in the fully open position; the intake air in the two air-conditioning box modules passes through the first cold air core 9 and the second cold air core 37 respectively and is cooled, and the humidity is reduced; then it passes through the first warm air core 11 and the second warm air core 35 respectively and is heated, and the temperature rises to the system requirements. Since in this mode, the refrigeration power of the cold air core is significantly lower than the heating power of the warm air core, and the outlet air temperature is higher than the intake air, the heating and dehumidification function is realized.

[0118] Figure 19 Shown is System Operating Mode Seven: Defogging Mode. The liquid inlet three-way valve 62 and the liquid return three-way valve 67 are both in Mode 3, and all the interfaces of the three-way valve are not connected. The first mode regulating valve 72 and the second mode regulating valve 71 are both in Mode 1; the a-h, b-c, d-e, and f-g interfaces of the mode regulating valve are all connected, so there is intermediate medium flowing through the first cold air core 9, the first warm air core 11, the second cold air core 37, and the second warm air core 35.

[0119] The flow of the low-temperature intermediate medium in this mode is exactly the same as that in the single-core conventional refrigeration mode (i.e., system operating mode 1); the low-temperature intermediate medium flows into the first cold air core 9 and the second cold air core 37 through the first mode regulating valve 72 and the second mode regulating valve 71 respectively, cooling the upstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39. The flow of the high-temperature intermediate medium is exactly the same as that in the single-core conventional heating mode (i.e., system operating mode 3); the high-temperature intermediate medium flows into the first warm air core 11 and the second warm air core 35 through the first mode regulating valve 72 and the second mode regulating valve 71 respectively, heating the downstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39. No intermediate medium flows through the front-end cooling module 54, and the fan assembly 56 does not operate.

[0120] The first temperature air damper 10 in the first air-conditioning box module 13 and the second temperature air damper 36 in the second air-conditioning box module 39 are both in the fully open position; the intake air in the two air-conditioning box modules passes through the first cold air core 9 and the second cold air core 37 respectively and is cooled, and the humidity decreases; then it passes through the first warm air core 11 and the second warm air core 35 respectively and is heated, and the temperature rises. In this mode, the heating power of the warm air core is equal to the sum of the refrigeration power of the cold air core and the work done by the compressor on the refrigerant, and the outlet air temperature is slightly higher than the intake air, and the relative humidity is significantly lower than the intake air.

[0121] In the air distribution module 16 of the distributed air conditioning assembly, the first defrost air dampers 22 and the second defrost air dampers 30 of the first air distribution sub-module 24 and the second air distribution sub-module 32 are opened, guiding the outlet air to the front window and side window glasses; thus, the defogging function is realized.

[0122] Figure 20 The figure shows system operating mode 8: zone control (dual-zone). The modes of the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are determined by the system operating conditions and can be switched between modes 1 to 3. The first mode regulating valve 72 and the second mode regulating valve 71 are both in mode 1; the a-h, b-c, d-e, and f-g interfaces of the mode regulating valve are all connected.

[0123] The low-temperature intermediate medium flows into the first cold air core 9 and the second cold air core 37 through the first mode regulating valve 72 and the second mode regulating valve 71 respectively, cooling the upstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39. The high-temperature intermediate medium flows into the first warm air core 11 and the second warm air core 35 through the first mode regulating valve 72 and the second mode regulating valve 71 respectively, heating the downstream intake air of the first air-conditioning box module 13 and the second air-conditioning box module 39. The first temperature air door 10 in the first air-conditioning box module 13 and the second temperature air door 36 in the second air-conditioning box module 39 are located at different intermediate positions according to the control signal, so that the air flow rates introduced into the first warm air core 11 and the second warm air core 35 and heated are different, and then different outlet air temperatures are generated after mixing, thus achieving the zoning temperature control effect of the dual-zone air conditioner.

[0124] Based on the heat distribution of the entire system, the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are in modes 1 to 3. Specifically: If the air-conditioning assembly shows an obvious heating function as a whole, the heat pump air-conditioning system needs to absorb heat from the outside; at this time, the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are in mode 1, and the a-c interfaces of the three-way valve are connected; a part of the flow rate of the low-temperature intermediate medium branches out at the cold-side liquid inlet three-way 78 and enters the radiator 55, and returns to the intermediate medium cooler 58 after absorbing the heat of the ambient air. If the air-conditioning assembly shows a refrigeration function as a whole, the heat pump air-conditioning system needs to release heat to the outside; at this time, the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are in mode 2, and the b-c interfaces of the three-way valve are connected; a part of the flow rate of the high-temperature intermediate medium branches out at the hot-side liquid inlet three-way 64 and enters the radiator 55, and returns to the intermediate medium heater 61 after releasing heat to the ambient air. If the air-conditioning assembly shows a heating function as a whole, but the heating power can be satisfied by the compression work of the compressor and there is no need for the system to exchange heat with the external environment; at this time, the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are in mode 3, and neither the high-temperature nor the low-temperature intermediate medium enters the radiator 55. The flow regulating valve 77 controls the medium flow rate of the above-mentioned branch part, and the fan assembly 56 can be turned on as needed.

[0125] Figure 21 Shown is the ninth system working mode: zoning control (full cold and full heat). This is the limit state of zoning control, where the first air-conditioning box module 13 is in a full cold state and the second air-conditioning box module 39 is in a full heat state.

[0126] The modes of the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are determined by the system operating conditions and can be switched between Modes 1-3. In the first mode, the regulating valve 72 is in Mode 3, and the first temperature air damper 10 is in the fully open position, so that the first air conditioning box module 13 is in the maximum refrigeration mode with two cores in series; in the second mode, the regulating valve 71 is in Mode 5, and the second temperature air dampers 36 are all in the fully open position, so that the second air conditioning box module 39 is in the maximum heating mode with two cores in series.

[0127] Similar to the dual-temperature zone partition control (i.e., System Operating Mode Eight), the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are selected from Modes 1-3 based on the heat distribution of the entire system.

[0128] Figure 22 Shown is System Operating Mode Ten: defrosting. When in the heating operating condition for a long time and the ambient humidity is high, ice may form on the surface of the radiator, affecting heat transfer. At this time, this mode is entered. Both the liquid inlet three-way valve 62 and the liquid return three-way valve 67 are in Mode 2, and the b-c interfaces of the three-way valves are connected. The first regulating valve 72 and the second regulating valve 71 are both in Mode 1; the a-h, b-c, d-e, and f-g interfaces of the regulating valves are all connected, so there is intermediate medium flowing through the first cold air core 9, the first warm air core 11, the second cold air core 37, and the second warm air core 35.

[0129] The flow mode of the intermediate medium is exactly the same as that in the refrigeration and dehumidification mode (i.e., System Operating Mode Five). A part of the high-temperature intermediate medium flows into the radiator 55 through the liquid inlet three-way valve 62 and the flow regulating valve 77. At this time, the fan assembly 56 is not turned on, and the ambient air volume flowing through the radiator is very small, so most of the heat dissipated by the high-temperature medium is absorbed by the ice on the surface of the radiator 55 to achieve defrosting. In this mode, the electric heater 65 can work to increase the medium temperature and accelerate the defrosting speed.

[0130] The first temperature air damper 10 and the second temperature air damper 36 are both in the fully open position, and the first blower 8 and the second blower 38 both operate at low speed, so as to ensure that the defrosting operating condition will not significantly affect the temperature of the passenger compartment.

[0131] Note that the above is only the preferred embodiment of the present invention and the technical principles applied. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here. Various obvious changes, re-adjustments, and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, more other equivalent embodiments can be included, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. Indirect heat pump air conditioning system, characterized in that, Comprising: A distributed air conditioning assembly; A water pump valve group module (73), connected to the distributed air conditioning assembly and delivering an intermediate medium to the distributed air conditioning assembly; A heating and cooling module (57), connected to the water pump valve group module (73) and performing heat exchange with the intermediate medium within the water pump valve group module (73); and, A front-end cooling module (54), connected to the water pump valve group module (73), the front-end cooling module (54) being configured to enable heat exchange between the intermediate medium within the water pump valve group module (73) and air; The water pump valve group module (73) includes a hot-side liquid inlet distribution multi-way (69), a hot-side liquid return distribution multi-way (70), a cold-side liquid return distribution multi-way (74), a cold-side liquid inlet distribution multi-way (75), a first mode regulating valve (72) and a second mode regulating valve (71), the hot-side liquid inlet distribution multi-way (69), the hot-side liquid return distribution multi-way (70), the cold-side liquid return distribution multi-way (74) and the cold-side liquid inlet distribution multi-way (75) are respectively connected to the distributed air conditioning assembly through the first mode regulating valve (72) and the second mode regulating valve (71); the hot-side liquid return distribution multi-way (70) is connected to a hot-side liquid return three-way (68), the hot-side liquid return three-way (68) is respectively connected to a hot-side medium pump (63) and a liquid return three-way valve (67), the hot-side medium pump (63) is connected to a hot-side liquid inlet three-way (64) through an electric heater (65), the hot-side liquid inlet three-way (64) is respectively connected to a liquid inlet three-way valve (62) and the hot-side liquid inlet distribution multi-way (69), the liquid inlet three-way valve (62) is respectively connected to a cold-side liquid inlet three-way (78) and a flow regulating valve (77) for regulating the flow rate of the intermediate medium, the flow regulating valve (77) is connected to the front-end cooling module (54), the cold-side liquid inlet three-way (78) is respectively connected to a cold-side medium pump (79) and the cold-side liquid inlet distribution multi-way (75), the cold-side medium pump (79) is connected to a cold-side liquid return three-way (66), the cold-side liquid return three-way (66) is respectively connected to the liquid return three-way valve (67) and the cold-side liquid return distribution multi-way (74), and a third end of the liquid return three-way valve (67) is connected to the front-end cooling module (54).

2. The indirect heat pump air conditioning system according to claim 1, wherein The heating and cooling module (57) includes an electric compressor (60), an intermediate medium heater (61), an electronic expansion valve (59) and an intermediate medium cooler (58) that are sequentially connected to form a ring, a pipeline between the hot-side medium pump (63) and the hot-side liquid return three-way (68) is connected to the intermediate medium heater (61) to achieve heat exchange, and a pipeline between the cold-side liquid return three-way (66) and the cold-side medium pump (79) is connected to the intermediate medium cooler (58) to achieve heat exchange.

3. The indirect heat pump air conditioning system according to claim 2, wherein, The front-end cooling module (54) includes a radiator (55), a fan assembly (56), and an expansion water tank (76) for exhausting gas in the intermediate medium. The radiator (55) is arranged within the blowing range of the fan assembly (56). One end of the expansion water tank (76) is connected to the return liquid three-way valve (67), and the other end is connected to the radiator (55). The radiator (55) is connected to the flow regulating valve (77).

4. The indirect heat pump air conditioning system according to claim 1, wherein The first mode regulating valve (72) and the second mode regulating valve (71) adopt an integrated design. The first mode regulating valve (72) and the second mode regulating valve (71) respectively include a valve body (80), a valve core (81), and an intermediate medium interface (82). There are eight intermediate medium interfaces (82) on the valve body (80), and the eight intermediate medium interfaces (82) are sequentially numbered from a to h. The valve core (81) is provided with an internal flow channel for communicating specified intermediate medium interfaces (82) in each mode. According to the different positions of the valve core (81), the first mode regulating valve (72) and the second mode regulating valve (71) respectively have five working modes: Mode 1, the valve core (81) is in the middle position, and a-h, b-c, d-e, and g-f of the intermediate medium interfaces (82) are connected, and the remaining interfaces are not connected; Mode 2, the valve core (81) rotates clockwise by a certain angle from the position in Mode 1, and b-c and g-f of the intermediate medium interfaces (82) are connected, and the remaining interfaces are not connected; Mode 3, the valve core (81) continues to rotate clockwise by a certain angle from the position in Mode 2, and a-b, d-e, and g-h of the intermediate medium interfaces (82) are connected, and the remaining interfaces are not connected; Mode 4, the valve core (81) rotates counterclockwise by a certain angle from the position in Mode 1, and a-h and d-e of the intermediate medium interfaces (82) are connected, and the remaining interfaces are not connected; Mode 5: The valve core (81) continues to rotate counterclockwise by a certain angle from the position in Mode 4, and b-c, e-f, and g-h of the intermediate medium interfaces (82) are connected, and the remaining interfaces are not connected.

5. The indirect heat pump air conditioning system according to claim 1, characterized in that The distributed air conditioning assembly includes: An intake module (1), including an intake housing (6), a filter (5) provided at the air inlet of the intake housing (6), and a fresh air / circulation air damper (3) provided outside the air inlet of the intake housing (6). When the fresh air / circulation air damper (3) is in the first position, a fresh air inlet (2) is formed between the fresh air / circulation air damper (3) and the air inlet of the intake housing (6). When the fresh air / circulation air damper (3) is in the second position, a circulation air inlet (4) is formed between the fresh air / circulation air damper (3) and the air inlet of the intake housing (6). An air conditioning box module (14) at least includes a first air conditioning box sub-module (13). The first air conditioning box sub-module (13) includes a first air conditioning box housing (12). An air inlet of the first air conditioning box housing (12) is connected to an air outlet of the intake housing (6). Along the air flow direction, a first blower (8), a first cold air core (9), a first temperature air door (10), and a first warm air core (11) are sequentially arranged in the first air conditioning box housing (12); and, An air distribution module (16) at least includes a first air distribution sub-module (24). The first air distribution sub-module (24) includes a first air distribution housing (17). An air inlet of the first air distribution housing (17) is connected to an air outlet of the first air conditioning box housing (12). An independent first face blowing air outlet (19), a first foot blowing air outlet (21), and a first defrosting air outlet (23) are formed on the first air distribution housing (17). A first face blowing air door (18) for controlling its opening and closing is arranged on the first face blowing air outlet (19). A first foot blowing air door (20) for controlling its opening and closing is arranged on the first foot blowing air outlet (21). A first defrosting air door (22) for controlling its opening and closing is arranged on the first defrosting air outlet (23).

6. The indirect heat pump air conditioning system according to claim 5, wherein The air conditioning box module (14) further includes a second air conditioning box sub-module (39). The second air conditioning box sub-module (39) includes a second air conditioning box housing (34). An air inlet of the second air conditioning box housing (34) is connected to another air outlet of the intake housing (6). Along the air flow direction, a second blower (38), a second cold air core (37), a second temperature air door (36), and a second warm air core (35) are sequentially arranged in the second air conditioning box housing (34).

7. The indirect heat pump air conditioning system according to claim 6, characterized in that, The air distribution module (16) further includes a second air distribution sub-module (32). The second air distribution sub-module (32) includes a second air distribution housing (31). An air inlet of the second air distribution housing (31) is connected to an air outlet of the second air conditioning box housing (34). An independent second face blowing air outlet (25), a second foot blowing air outlet (27), and a second defrosting air outlet (29) are formed on the second air distribution housing (31). A second face blowing air door (26) for controlling its opening and closing is arranged on the second face blowing air outlet (25). A second foot blowing air door (28) for controlling its opening and closing is arranged on the second foot blowing air outlet (27). A second defrosting air door (30) for controlling its opening and closing is arranged on the second defrosting air outlet (29).

8. A vehicle, including a vehicle body, a firewall (42) is provided on the front side of the vehicle body. The front compartment (41) is located in front of the firewall (42) in the vehicle body, and the passenger compartment (43) is located behind the firewall (42). It is characterized in that, It further includes an indirect heat pump air conditioning system according to any one of claims 5 to 7. The intake module (1) and the air conditioning box module (14) are arranged in the front compartment (41), and the air distribution module (16) is located in the passenger compartment (43).

9. The vehicle according to claim 8, characterized in that, The distributed air conditioning assembly includes a first air distribution sub-module (24) and a second air distribution sub-module (32). One of the first air distribution sub-module (24) and the second air distribution sub-module (32) supplies air to the driver's seat (44) and its surrounding area, and the other supplies air to the passenger's seat (45) and its surrounding area.

10. The vehicle according to claim 9, characterized in that, A set of distributed air conditioning assemblies is also provided at the parking space of the vehicle body. The distributed air conditioning assembly includes a rear air intake module (49), a rear air conditioning box module (48), and two rear air distribution modules (47). The two rear air distribution modules (47) respectively supply air to the left and right seats of the rear seats (46) and their surrounding areas.

11. A control method for an indirect heat pump air conditioning system, based on the indirect heat pump air conditioning system as described in claim 3, characterized in that, The control method includes: In the conventional refrigeration mode, the a-h and d-e interfaces of the first mode regulating valve (72) and the second mode regulating valve (71) are connected, and the b-c and g-f interfaces are disconnected; the low-temperature intermediate medium in the intermediate medium cooler (58) passes through the cold-side medium pump (79) and the cold-side liquid inlet three-way valve (78) and then all enters the cold-side liquid inlet distribution multi-way valve (75). The low-temperature intermediate medium flows into the first mode regulating valve (72) and the second mode regulating valve (71) respectively after passing through the cold-side liquid inlet distribution multi-way valve (75); the low-temperature intermediate medium in the first branch flows into the first cold air core (9), cools the intake air of the first air conditioning box sub-module (13), and then returns to the first mode regulating valve (72) and enters the cold-side liquid return distribution multi-way valve (74); the low-temperature intermediate medium in the second branch flows into the second cold air core (37), cools the intake air of the second air conditioning box sub-module (39), and then returns to the second mode regulating valve (71) and enters the cold-side liquid return distribution multi-way valve (74); the multi-path intermediate medium converges and flows out in the cold-side liquid return distribution multi-way valve (74), and returns to the intermediate medium cooler (58) through the cold-side liquid return three-way valve (66); the high-temperature intermediate medium in the intermediate medium heater (61) flows through the hot-side medium pump (63), the electric heater (65), and the hot-side liquid inlet three-way valve (64) and then all flows to the liquid inlet three-way valve (62); the high-temperature intermediate medium enters the radiator (55) through the flow regulating valve (77), the high-temperature intermediate medium dissipates heat to the ambient air in the radiator (55), and then returns to the intermediate medium heater (61) through the expansion water tank (76), the liquid return three-way valve (67), and the hot-side liquid return three-way valve (68) in sequence; the first temperature air damper (10) and the second temperature air damper (36) are both in the fully closed position; the intake air passes through the first cold air core (9) and the second cold air core (37) respectively and is cooled. In the maximum refrigeration mode, the b-c interfaces of both the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are connected, and the a-b, d-e, and g-h interfaces of both the first mode regulating valve (72) and the second mode regulating valve (71) are connected; the low-temperature intermediate medium in the intermediate medium cooler (58) all enters the cold-side liquid inlet distribution multi-way (75) after passing through the cold-side medium pump (79) and the cold-side liquid inlet three-way (78), and the low-temperature intermediate medium flows into the first mode regulating valve (72) and the second mode regulating valve (71) respectively after passing through the cold-side liquid inlet distribution multi-way (75); the high-temperature intermediate medium in the intermediate medium heater (61) all flows to the liquid inlet three-way valve (62) after passing through the hot-side medium pump (63), the electric heater (65), and the hot-side liquid inlet three-way (64); the high-temperature intermediate medium enters the radiator (55) through the flow regulating valve (77), the high-temperature intermediate medium dissipates heat to the ambient air in the radiator (55), and then returns to the intermediate medium heater (61) in sequence through the expansion water tank (76), the liquid return three-way valve (67), and the hot-side liquid return three-way (68); the low-temperature intermediate medium in the first mode regulating valve (72) flows into the first warm air core (11), then flows into the first cold air core (9) through the first mode regulating valve (72), and then returns to the first mode regulating valve (72) and flows out; the low-temperature intermediate medium in the second mode regulating valve (71) flows into the second warm air core (35), then flows into the second cold air core (37) through the second mode regulating valve (71), and then returns to the second mode regulating valve (71) and flows out; the first temperature air door (10) and the second temperature air door (36) are both in the fully open position, and the intake air of the first air-conditioning box module (13) is cooled sequentially through the first cold air core (9) and the first warm air core (11), and the intake air of the second air-conditioning box module (39) is cooled sequentially through the second cold air core (37) and the second warm air core (35); Conventional heating mode, both the liquid inlet three-way valve (62) and the liquid return three-way valve (67) have their a-c ports connected; both the first mode regulating valve (72) and the second mode regulating valve (71) have their b-c and f-g ports connected, and their a-h and d-e ports are disconnected; the low-temperature intermediate medium in the intermediate medium cooler (58) flows entirely through the cold-side medium pump (79) and the cold-side liquid inlet three-way (78) and then to the liquid inlet three-way valve (62); the low-temperature intermediate medium passes through the flow regulating valve (77) in the fully open position, absorbs heat from the ambient air in the radiator (55), then successively passes through the expansion water tank (76), the liquid return three-way valve (67), and the cold-side liquid return three-way (66) and then returns to the intermediate medium cooler (58); the high-temperature intermediate medium in the intermediate medium heater (61) flows entirely through the hot-side medium pump (63), the electric heater (65), and the hot-side liquid inlet three-way (64) and then to the hot-side liquid inlet distribution multi-way (69) and branches, respectively flowing into the first mode regulating valve (72) and the second mode regulating valve (71); the high-temperature intermediate medium in the first branch flows into the first warm air core (11), and then enters the hot-side liquid return distribution multi-way (70) through the first mode regulating valve (72); the high-temperature intermediate medium in the second branch flows into the second warm air core (35), and then enters the hot-side liquid return distribution multi-way (70) through the second mode regulating valve (71); the multiple paths of intermediate medium converge and flow out in the hot-side liquid return distribution multi-way (70), pass through the hot-side liquid return three-way (68) and return to the intermediate medium cooler (61); both the first temperature air door (10) and the second temperature air door (36) are in the fully open position; the intake air passes through the first warm air core (11) and the second warm air core (35) respectively and is heated; Maximum heating / defrosting mode, where both the liquid inlet three-way valve (62) and the liquid return three-way valve (67) have their a-c interfaces connected; the b-c, e-f, and g-h interfaces of the first mode regulating valve (72) and the second mode regulating valve (71) are all connected; the low-temperature intermediate medium in the intermediate medium cooler (58) all flows to the liquid inlet three-way valve (62) after passing through the cold-side medium pump (79) and the cold-side liquid inlet three-way (78); the low-temperature intermediate medium passes through the flow regulating valve (77) in the fully open position, absorbs heat from the ambient air in the radiator (55), then successively passes through the expansion water tank (76), the liquid return three-way valve (67), and the cold-side liquid return three-way (66), and then returns to the intermediate medium cooler (58); the high-temperature intermediate medium in the intermediate medium heater (61) all flows to the hot-side liquid inlet distribution multi-way (69) and branches after passing through the hot-side medium pump (63), the electric heater (65), and the hot-side liquid inlet three-way (64), and respectively flows into the first mode regulating valve (72) and the second mode regulating valve (71); the high-temperature intermediate medium in the first mode regulating valve (72) flows into the first warm air core (11), then passes through the first mode regulating valve (72) and flows into the first cold air core (9), and then returns to the first mode regulating valve (72) and flows out; the high-temperature intermediate medium in the second mode regulating valve (71) flows into the second warm air core (35), then passes through the second mode regulating valve (71) and flows into the second cold air core (37), and then returns to the second mode regulating valve (71) and flows out; both the first temperature air door (10) and the second temperature air door (36) are in the fully open position; the intake air of the first air conditioning box module (13) is heated successively by the first cold air core (9) and the first warm air core (11), and the intake air of the second air conditioning box module (39) is heated successively by the second cold air core (37) and the second warm air core (35). In the refrigeration and dehumidification mode, the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are both connected via the bc interface; the first mode regulating valve (72) and the second mode regulating valve (71) are both connected via the ah, bc, de, and fg interfaces; the low-temperature intermediate medium in the intermediate medium cooler (58) passes through the cold side medium pump (79) and the cold side liquid inlet three-way valve (78) and all enters the cold side liquid inlet distribution multi-way valve (75); the low-temperature intermediate medium passes through the cold side liquid inlet distribution multi-way valve (75) and flows into the first mode regulating valve (72) and the second mode regulating valve (71) respectively. The low-temperature intermediate medium flows into the first cold air core (9) and the second cold air core (37) respectively through the first mode regulating valve (72) and the second mode regulating valve (71); the high-temperature intermediate medium in the intermediate medium heater (61) is divided into two branches after passing through the hot side medium pump (63), the electric heater (65) and the hot side liquid inlet tee (64), the first branch flows to the hot side liquid inlet distribution multi-way (69), and then flows into the first warm side liquid inlet distribution multi-way (69) respectively through the first mode regulating valve (72) and the second mode regulating valve (71). The intermediate medium in the first mode regulating valve (72) and the second mode regulating valve (71) respectively enters the hot side liquid return distribution multi-way (70) and flows into the hot side liquid return three-way (68) after merging; the second branch flows to the liquid inlet three-way valve (62), passes through the flow regulating valve (77), dissipates heat to the ambient air in the radiator (55), and then passes through the expansion kettle (76) and the liquid return three-way valve (68) in sequence. 7) flows into the hot side liquid return tee (68); the two media merge and flow out in the hot side liquid return tee (68) and return to the medium cooler (61); the flow control valve (77) adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator (55) to a set value; the first temperature damper (10) and the second temperature damper (36) are opened to the set position according to the outlet air temperature requirement of the system; the intake air passes through the first cold air core (9) and the second cold air core (37) respectively to be cooled and then passes through the first warm air core (11) and the second warm air core (35) respectively to be heated; Heating and dehumidifying mode, the a-c interfaces of the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are connected; the a-h, b-c, d-e, and f-g interfaces of the first mode regulating valve (72) and the second mode regulating valve (71) are connected; the high-temperature intermediate medium in the intermediate medium heater (61) flows through the hot-side medium pump (63), the electric heater (65), and the hot-side liquid inlet three-way (64) and then all flows to the hot-side liquid inlet distribution multi-way (69) and branches, respectively flowing into the first mode regulating valve (72) and the second mode regulating valve (71); the high-temperature intermediate medium flows into the first warm air core (11) and the second warm air core (35) through the first mode regulating valve (72) and the second mode regulating valve (71) respectively; the low-temperature intermediate medium in the intermediate medium cooler (58) is divided into two branches after flowing through the cold-side medium pump (79) and the cold-side liquid inlet three-way (78). The first branch flows to the cold-side liquid inlet distribution multi-way (75), and then flows into the first cold air core (9) and the second cold air core (37) through the first mode regulating valve (72) and the second mode regulating valve (71) respectively. Then, it passes through the first mode regulating valve (72) and the second mode regulating valve (71) respectively and enters the cold-side liquid return distribution multi-way (74), and then flows into the cold-side liquid return three-way (66); the second branch flows to the liquid inlet three-way valve (62), absorbs the heat of the ambient air in the radiator (55) after passing through the flow regulating valve (77), and then flows into the cold-side liquid return three-way (66) through the expansion water kettle (76) and the liquid return three-way valve (67) in sequence; the two-way media merge and flow out in the cold-side liquid return three-way (66) and return to the intermediate medium cooler (58); the flow regulating valve (77) adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator (55) to the set value; the first temperature air door (10) and the second temperature air door (36) are both in the fully open position; the intake air is cooled and the humidity is reduced after passing through the first cold air core (9) and the second cold air core (37) respectively; then it is heated after passing through the first warm air core (11) and the second warm air core (35) respectively; Defogging mode, all interfaces of the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are not connected; the a-h, b-c, d-e, and f-g interfaces of the first mode regulating valve (72) and the second mode regulating valve (71) are connected; the low-temperature intermediate medium in the intermediate medium cooler (58) passes through the cold-side medium pump (79) and the cold-side liquid inlet three-way (78) and then all enters the cold-side liquid inlet distribution multi-way (75). The low-temperature intermediate medium flows into the first mode regulating valve (72) and the second mode regulating valve (71) respectively after passing through the cold-side liquid inlet distribution multi-way (75); the low-temperature intermediate medium flows into the first cold air core (9) and the second cold air core (37) respectively through the first mode regulating valve (72) and the second mode regulating valve (71); the multiple intermediate media flow through the first mode regulating valve (72) and the second mode regulating valve (71) respectively and then converge and flow out in the cold-side liquid return distribution multi-way (74), and return to the intermediate medium cooler (58) through the cold-side liquid return three-way (66); the high-temperature intermediate medium in the intermediate medium heater (61) passes through the hot-side medium pump (63), the electric heater (65) and the hot-side liquid inlet three-way (64) and then all flows to the hot-side liquid inlet distribution multi-way (69) and branches, and flows into the first mode regulating valve (72) and the second mode regulating valve (71) respectively, and then flows into the first warm air core (11) and the second warm air core (35) respectively. The first temperature air damper (10) and the second temperature air damper (36) are both in the fully open position; the intake air is cooled by the first cold air core (9) and the second cold air core (37) respectively and the humidity is reduced; then it is heated by the first warm air core (11) and the second warm air core (35) respectively; the first defrosting air damper (22) and the second defrosting air damper (30) in the first air distribution sub-module (24) and the second air distribution sub-module (32) are both opened; Dual-temperature zone partition control, the a-h, b-c, d-e, and f-g interfaces of the first-mode regulating valve (72) and the second-mode regulating valve (71) are all connected; the low-temperature intermediate medium flows into the first cold air core (9) and the second cold air core (37) through the first-mode regulating valve (72) and the second-mode regulating valve (71) respectively; the high-temperature intermediate medium flows into the first warm air core (11) and the second warm air core (35) through the first-mode regulating valve (72) and the second-mode regulating valve (71) respectively; the first temperature damper (10) and the second temperature damper (36) are opened to a set angle, so that the air flow rates introduced into the first warm air core (11) and the second warm air core (35) and heated are different, and thus different outlet air temperatures are generated after mixing; when the heating function is executed, the a-c interfaces of the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are connected, and a part of the flow rate of the low-temperature intermediate medium branches out at the cold-side liquid inlet three-way (78) and enters the radiator (55), and returns to the intermediate medium cooler (58) after absorbing the heat of the ambient air; when the cooling function is executed, the b-c interfaces of the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are connected, and a part of the flow rate of the high-temperature intermediate medium branches out at the hot-side liquid inlet three-way (64) and enters the radiator (55), and returns to the intermediate medium heater (61) after releasing heat to the ambient air; when the heating function is executed and the heating power completely depends on the compression work of the compressor, the interfaces of the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are not connected, and neither the high-temperature intermediate medium nor the low-temperature intermediate medium enters the radiator (55); Full-cooling and full-heating zone partition control, the a-b, d-e, and g-h interfaces of the first-mode regulating valve (72) are connected, and the first temperature damper (10) is in the fully open position, so that the first air-conditioning box sub-module (13) is in the maximum cooling mode with two cores in series; the b-c, e-f, and g-h interfaces of the second-mode regulating valve (71) are connected, and the second temperature damper (36) is in the fully open position, so that the second air-conditioning box sub-module (39) is in the maximum heating mode with two cores in series; and / or, In the ice melting mode, the b-c interfaces of the liquid inlet three-way valve (62) and the liquid return three-way valve (67) are connected, and the a-h, b-c, d-e, and f-g interfaces of the first mode regulating valve (72) and the second mode regulating valve (71) are connected; the low-temperature intermediate medium in the intermediate medium cooler (58) passes through the cold-side medium pump (79) and the cold-side liquid inlet three-way (78) and then all enters the cold-side liquid inlet distribution multi-way (75), and the low-temperature intermediate medium flows into the first mode regulating valve (72) and the second mode regulating valve (71) respectively after passing through the cold-side liquid inlet distribution multi-way (75); the low-temperature intermediate medium flows into the first cold air core body (9) and the second cold air core body (37) respectively through the first mode regulating valve (72) and the second mode regulating valve (71); the high-temperature intermediate medium in the intermediate medium heater (61) is divided into two branches after passing through the hot-side medium pump (63), the electric heater (65) and the hot-side liquid inlet three-way (64). The first branch flows to the hot-side liquid inlet distribution multi-way (69), and then flows into the first warm air core body (11) and the second warm air core body (35) respectively through the first mode regulating valve (72) and the second mode regulating valve (71); then they return to the first mode regulating valve (72) and the second mode regulating valve (71) respectively, and the intermediate medium in the first mode regulating valve (72) and the second mode regulating valve (71) enters the hot-side liquid return distribution multi-way (70) respectively, and after converging, it flows into the hot-side liquid return three-way (68); the second branch flows to the liquid inlet three-way valve (62), dissipates heat to the ambient air in the radiator (55) after passing through the flow regulating valve (77), the fan assembly (56) is not turned on, and then sequentially passes through the expansion water kettle (76) and the liquid return three-way valve (67) and flows into the hot-side liquid return three-way (68); the two-way media converge and flow out in the hot-side liquid return three-way (68) and return to the media cooler (61); the flow regulating valve (77) adjusts the flow rate of the high-temperature intermediate medium flowing through the radiator (55) to the set value.

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