Cooling and heating device for vehicle, vehicle thermal management system and vehicle

Abstract

The present invention discloses a vehicle cooling and heating device, a vehicle thermal management system and a vehicle, wherein the cooling and heating device comprises: a shell, a refrigerant inlet and a refrigerant outlet are arranged on the shell; a heat exchanger, the heat exchanger is arranged in the shell, the heat exchanger defines an inner groove and a refrigerant channel, the refrigerant channel is connected with the refrigerant outlet and the refrigerant outlet; a cooling and heating component, the cooling and heating component is arranged in the inner groove, and is used to generate heat or absorb heat to heat or cool the refrigerant flowing through the refrigerant channel. The vehicle cooling and heating device of the present invention has no moving parts, no noise, no wear, long service life, high reliability, short response time and fast action speed during operation.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to a cooling and heating device for a vehicle, a vehicle thermal management system and a vehicle. Background Art

[0002] A common air conditioning refrigeration method can be a refrigerant circuit composed of components such as a compressor, a condenser, an evaporator, a pressure sensor, and an electronic expansion valve. The compressor compresses the gaseous refrigerant into a high-temperature and high-pressure gas, and sends it to the condenser for cooling. After cooling, it becomes a medium-temperature and high-pressure liquid refrigerant. The medium-temperature liquid refrigerant is throttled and depressurized by the expansion valve, and becomes a low-temperature and low-pressure liquid. It absorbs heat from the air through the evaporator and vaporizes, becoming a gas, and then enters the compressor, reciprocating, and cooperates with the blower to achieve air conditioning refrigeration. Alternatively, the air conditioning refrigeration method can also be a refrigerant circuit composed of components such as a compressor, a condenser, a plate heat exchanger, an electronic expansion valve, a water pump, and a battery pack liquid cooling system to achieve battery cooling, and the coolant is cooled through the plate heat exchanger to achieve the heating function of the liquid-cooled battery.

[0003] In the related art, when the above two methods are used for cooling or heating, due to the large number of components and the presence of moving parts in the device, a large working noise will be generated. Multiple components work together and are dispersedly arranged, which is easy to cause wear and tear, affecting the service life and having low reliability. After the system is powered on, the temperature adjustment action can only be executed after all multiple components respond. The response time is long and the action speed is slow. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one of the purposes of the present invention is to provide a vehicle cooling and heating device, which has no moving parts, no noise, no wear, long service life, high reliability, short response time and fast action speed.

[0005] A second objective of the present invention is to provide a vehicle thermal management system.

[0006] A third object of the present invention is to provide a vehicle.

[0007] In order to achieve the above-mentioned purpose, a first aspect of the present invention proposes a cooling and heating device for a vehicle, comprising: a shell, on which a refrigerant inlet and a refrigerant outlet are provided; a heat exchange element, which is arranged in the shell, and the heat exchange element is defined by an inner groove and a refrigerant channel, and the refrigerant channel is connected to the refrigerant outlet and the refrigerant outlet; a cooling and heating component, which is arranged in the inner groove and is used to generate heat or absorb heat to heat or cool the refrigerant flowing through the refrigerant channel.

[0008] According to the embodiment of the present invention, the cooling and heating device for vehicles can realize cooling or heating of the vehicle. By setting the cooling and heating component, and setting the cooling and heating component in the inner groove of the heat exchanger, when the system is powered on, the cooling and heating component starts to work, and can fully exchange heat with the refrigerant flowing through the refrigerant channel to achieve the purpose of effectively heating or cooling the refrigerant, and the response time is short and the action speed is fast. Moreover, the cooling and heating device can both cool and heat, and the operation is reliable. It can replace multiple parts such as traditional PTC (Positive Temperature Coefficient, thermistor) water heater, compressor, generator and condenser. The structure is simple, and the weight of the whole vehicle can be reduced, and the production cost can be reduced. After the shell, the heat exchanger and the cooling and heating group are tightly buckled to form the cooling and heating device, there are no moving parts inside the cooling and heating device, and there is no noise when working. The working current can be directly adjusted to adjust the cooling capacity. The shell has dustproof and protective functions to prevent the wear of the internal components. The cooling and heating device has a long life and high reliability.

[0009] In some embodiments of the present invention, the cooling and heating component includes: an insulating sleeve; a semiconductor unit array, wherein the semiconductor unit array is sleeved in the insulating sleeve, the semiconductor unit array includes a semiconductor unit, a first electrode and a second electrode, the semiconductor unit includes a pair of P-type semiconductor sub-units and N-type semiconductor sub-units, and the semiconductor unit array is used to generate heat or absorb heat.

[0010] In some embodiments of the present invention, the semiconductor unit array includes: a first electrode band and a second electrode band arranged in parallel, the first end of the first electrode band serving as the first electrode of the semiconductor unit array, and the first end of the second electrode band serving as the second electrode of the semiconductor unit array; N semiconductor unit rows, the N semiconductor unit rows are arranged in sequence along the length direction of the first electrode band or the second electrode band, the first end of each semiconductor unit row is connected to the first electrode band, and the second end of each semiconductor unit row is connected to the second electrode band; each semiconductor unit row includes M semiconductor units connected in parallel; wherein N and M are both positive integers.

[0011] In some embodiments of the present invention, the P-type semiconductor sub-unit in the semiconductor unit at one end of each semiconductor unit row is connected to the first electrode band, and the N-type semiconductor sub-unit in the semiconductor unit at the other end of each semiconductor unit row is connected to the second electrode band; the cooling and heating component also includes: a power supply; a power switching switch, used to connect the first electrode to the negative terminal of the power supply, and to connect the second electrode to the positive terminal of the power supply, so that the semiconductor unit array absorbs heat, or to connect the first electrode to the positive terminal of the power supply, and to connect the second electrode to the negative terminal of the power supply, so that the semiconductor unit array releases heat.

[0012] In some embodiments of the present invention, the power switching switch includes: a first static contact and a second static contact, the first static contact is connected to the negative terminal of the power supply, and the second static contact is connected to the positive terminal of the power supply; a third static contact and a fourth static contact, the third static contact is connected to the positive terminal of the power supply, and the fourth static contact is connected to the negative terminal of the power supply; a first switch, the first end of the first switch is connected to the first electrode, and the second end of the first switch can be switched between the first static contact and the third static contact or left floating; a second switch, the first end of the second switch is connected to the second electrode, and the second end of the second switch can be switched between the second static contact and the fourth static contact or left floating.

[0013] In some embodiments of the present invention, the heat exchange component includes: a heat exchange plate, the lower portion of which is defined by the inner groove and a first through hole and a second through hole connected to the inner groove, a groove is provided above the inner groove, and a plurality of parallel spacers are provided in the groove to form an S-shaped groove; a heat exchange plate cover, the heat exchange plate cover is provided on the heat exchange plate and tightly covers the S-shaped groove to construct the refrigerant channel; wherein the semiconductor unit array is provided in the inner groove, the first electrode passes through the first through hole, and the second electrode passes through the second through hole.

[0014] In some embodiments of the present invention, an opening is provided on the shell, and the heat exchange element passes through the opening and is engaged with the shell, wherein the heat exchange plate cover is away from the opening.

[0015] In some embodiments of the present invention, the cooling and heating device further includes a heat preservation component, and the heat preservation component is arranged between the heat exchange component and the shell.

[0016] In order to achieve the above-mentioned purpose, a vehicle thermal management system proposed in an embodiment of the second aspect of the present invention includes: a liquid storage tank for storing refrigerant, the liquid storage tank is provided with a first liquid inlet and a first liquid outlet; a pump body, the pump body is provided with a second liquid inlet and a second liquid outlet, the second liquid inlet is connected to the first liquid outlet; a cooling and heating device for a vehicle as described in any of the above embodiments, the refrigerant inlet of the cooling and heating device is connected to the second liquid outlet; a cold and warm exchange unit, the cold and warm exchange unit is connected to the refrigerant outlet of the cooling and heating device and the first liquid inlet; a switch unit, the switch unit is arranged on a pipeline connecting the cold and warm exchange unit and the refrigerant outlet of the cooling and heating device; a temperature sensing unit, used to detect the temperature of the target environment of the vehicle; a controller, which is respectively connected to the temperature sensing unit, the switch unit, the pump body and the cooling and heating device, and is used to control the switch state of the switch unit, the operating state of the pump body and the operating mode of the cooling and heating device according to the temperature of the target environment.

[0017] According to the vehicle thermal management system of the embodiment of the present invention, the temperature sensing unit detects the temperature of the target environment of the vehicle, the controller controls the switch state of the switch unit based on the temperature of the target environment of the vehicle to control the circulation path and flow of the refrigerant, the controller controls the operation state of the pump body, and then controls the circulation state of the refrigerant, and the controller also controls the working state of the cooling and heating device to achieve the purpose of effectively heating or cooling the refrigerant, thereby adjusting the temperature of the target environment. The vehicle thermal management system of the present invention is based on the architecture of a liquid storage tank, a pump body, a cooling and heating device, a cold and warm exchange unit and a switch unit, that is, it can achieve cooling or heating functions, and only by setting up a cooling and heating device, it can replace multiple components such as traditional PTC water heaters, compressors, generators and condensers. It has a simple structure, can achieve vehicle weight reduction, and reduce production costs.

[0018] In some embodiments of the present invention, the cold and warm exchange unit includes a cold and warm air core unit, and the cold and warm air core unit includes a third liquid inlet and a third liquid outlet, the third liquid inlet is connected to the refrigerant outlet of the cooling and heating device, and the third liquid outlet is connected to the first liquid inlet; the temperature sensing unit includes a first temperature sensor, and the first temperature sensor is used to collect the temperature of the vehicle passenger compartment; the switch unit includes a first switch, and the first switch is arranged on the connecting pipeline between the third liquid inlet and the refrigerant outlet of the cooling and heating device; the controller is used to control the first switch to close when the temperature of the vehicle passenger compartment is lower than the set temperature range of the passenger compartment, control the pump body to operate, and control the cooling and heating device to produce heat, or control the first switch to close when the temperature of the vehicle passenger compartment is higher than the set temperature range of the passenger compartment. Control the pump body to operate, and control the cooling and heating device to absorb heat.

[0019] In some embodiments of the present invention, the cold and warm exchange unit includes a liquid-cooled battery pack unit, the liquid-cooled battery pack unit includes a fourth liquid inlet and a fourth liquid outlet, the fourth liquid inlet is connected to the refrigerant outlet of the cooling and heating device, and the fourth liquid outlet is connected to the first liquid inlet; the temperature sensing unit includes a second temperature sensor, and the second temperature sensor is used to collect the battery pack temperature; the switch unit includes a second switch, and the second switch is arranged on the connecting pipeline between the fourth liquid inlet and the refrigerant outlet of the cooling and heating device; the controller is used to control the second switch to close when the battery pack temperature is lower than the set temperature range of the battery pack, control the pump body to operate, and control the cooling and heating device to generate heat, or control the second switch to close when the battery pack temperature is higher than the set temperature range of the passenger compartment, control the pump body to operate, and control the cooling and heating device to absorb heat.

[0020] In order to achieve the above-mentioned purpose, a vehicle provided in an embodiment of a third aspect of the present invention is characterized in that it includes the vehicle thermal management system described in the embodiment of the second aspect above.

[0021] According to the vehicle of the embodiment of the present invention, by setting the vehicle thermal management system of the second instant noodle embodiment above, the controller controls the switch state of the switch unit, the pump body operation state and the working state of the cooling and heating device based on the detected temperature of the vehicle target environment to achieve the purpose of effectively heating or cooling the refrigerant, thereby adjusting the temperature of the target environment. The vehicle thermal management system is set on the vehicle, which can realize the cooling or heating function. Only by setting a cooling and heating device, multiple components such as the traditional PTC water heater, compressor, generator and condenser can be replaced. The structure is simple, the weight of the whole vehicle can be reduced, and the production cost can be reduced.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 is a schematic diagram of a cooling and heating device for a vehicle according to an embodiment of the present invention;

[0025] Figure 2 is a schematic diagram of a cooling and heating component according to an embodiment of the present invention;

[0026] Figure 3 is a schematic diagram of a cooling and heating component according to another embodiment of the present invention;

[0027] Figure 4 is a schematic diagram of a heat exchange element according to an embodiment of the present invention;

[0028] Figure 5 is a schematic diagram of a heat exchange component before pressing according to an embodiment of the present invention;

[0029] Figure 6 is a schematic diagram of a heat exchange component after being pressed according to an embodiment of the present invention;

[0030] Figure 7 is a schematic diagram of a cooling and heating device for a vehicle according to another embodiment of the present invention;

[0031] Figure 8 is a schematic diagram of a cooling and heating device for a vehicle according to another embodiment of the present invention;

[0032] Fig. 9 is a block diagram of a vehicle thermal management system according to an embodiment of the present invention;

[0033] Fig.10 is a schematic diagram of a vehicle thermal management system according to an embodiment of the present invention;

[0034] Fig.11 is a block diagram of a vehicle according to some embodiments of the present invention.

[0035] Reference numerals:

[0036] Vehicles 1000;

[0037] Vehicle thermal management system 100;

[0038] A cooling and heating device 10, a liquid storage tank 20, a pump body 30, a cooling and heating exchange unit 40, a switch unit 50, a temperature sensor unit 60, and a controller 70;

[0039] Shell 1, heat exchange element 2, refrigeration and heating component 3, thermal insulation element 4;

[0040] Refrigerant inlet 11, refrigerant outlet 12, inner tank 21, refrigerant channel 22, heat exchange plate 23, heat exchange plate cover 24, insulation sleeve 31, semiconductor unit array 32, power supply 33, power switch 34, cold and warm air core unit 41, liquid-cooled battery pack unit 42;

[0041] The first liquid inlet 201, the first liquid outlet 202, the second liquid inlet 301, the second liquid outlet 302, the third liquid inlet 411, the third liquid outlet 412, the fourth liquid inlet 421, the fourth liquid outlet 422, the first switch 51, the second switch 52, the first temperature sensor 61, the second temperature sensor 62;

[0042] Semiconductor unit 321, first electrode 322, second electrode 323, semiconductor unit row 324;

[0043] Connecting piece C, first electrode strip Q1, second electrode strip Q2, first static contact a1, second static contact a2, third static contact a3, fourth static contact a4, first switch K1, second switch K2, first through hole b1, second through hole b2. DETAILED DESCRIPTION

[0044] Embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. Embodiments of the present invention are described in detail below.

[0045] According to the following Figure 1-Figure 8 A cooling and heating device for a vehicle according to an embodiment of the present invention is described in detail.

[0046] In some embodiments of the present invention, Figure 1 FIG. 1 is a schematic diagram of a cooling and heating device for a vehicle according to an embodiment of the present invention, wherein the cooling and heating device 10 is used in a vehicle to achieve cooling or heating of the vehicle and improve the comfort inside the vehicle. The cooling and heating device 10 includes a housing 1, a heat exchanger 2, and a cooling and heating assembly 3.

[0047] In the embodiment, the shell 1 is provided with a refrigerant inlet 11 and a refrigerant outlet 12, the refrigerant flows into the cooling and heating device 10 from the refrigerant inlet 11 and flows out from the refrigerant outlet 12, the heat exchanger 2 is provided in the shell 1, the heat exchanger 2 is used for heat exchange, the heat exchanger 2 is defined with an inner groove 21 and a refrigerant channel 22, the refrigerant channel 22 is connected with the refrigerant outlet 11 and the refrigerant outlet 12, the refrigerant flows into the refrigerant channel 22 from the refrigerant outlet 11 and flows out from the refrigerant outlet 12. The cooling and heating component 3 is provided in the inner groove 21, and is used for generating heat or absorbing heat to heat or cool the refrigerant flowing through the refrigerant channel 22.

[0048] The refrigeration and heating component 3 is a device that can perform heating or cooling. The refrigeration and heating component 3 is arranged in the inner groove 21 of the heat exchanger 2 and is in close contact with the refrigerant channel 22. In the process of adjusting the temperature of the target environment, the refrigerant flowing through the heat exchanger 2 can fully exchange heat with the refrigeration and heating component 3. Specifically, when the refrigeration and heating device 10 is powered on, the refrigeration and heating device 10 starts to work, and the refrigerant continuously flows in from the refrigerant inlet 11 and flows out from the refrigerant outlet 12. When the refrigeration and heating component 3 is heating, after the system is powered on, the temperature of the refrigeration and heating component 3 rises quickly, the temperature of the refrigerant flowing through the heat exchanger 2 is relatively low, and the heat released by the refrigeration and heating component 3 is absorbed by the refrigerant. After the refrigerant absorbs the heat, the temperature rises quickly. When the refrigerant with a higher temperature circulates to the target environment with a lower temperature, the refrigerant releases the heat into the low-temperature environment, thereby raising the temperature of the target environment and realizing the heating function. Alternatively, when the cooling and heating component 3 is cooling, the temperature of the refrigerant flowing through the heat exchange element 2 is relatively high, and the cooling and heating component 3 absorbs heat from the refrigerant. The temperature of the refrigerant decreases after the heat in the refrigerant is absorbed. When the cooled refrigerant circulates to the target environment with a higher temperature, the refrigerant absorbs heat from the target environment again, thereby lowering the temperature of the target environment and realizing the cooling function.

[0049] According to the embodiment of the present invention, the cooling and heating device 10 for vehicles can realize cooling or heating of the vehicle. By setting the cooling and heating component 3, and setting the cooling and heating component 3 in the inner groove 21 of the heat exchanger 2, when the system is powered on, the cooling and heating component 3 starts to work, and can fully exchange heat with the refrigerant flowing through the refrigerant channel 22 to achieve the purpose of effectively heating or cooling the refrigerant, and the action speed is fast. Moreover, the cooling and heating device 10 can both cool and heat, and the operation is reliable. It can replace multiple parts such as traditional PTC water heaters, compressors, generators and condensers. It has a simple structure, can achieve vehicle weight reduction, and reduce production costs. After the housing 1, the heat exchanger 2 and the cooling and heating component 3 are tightly fastened to form the cooling and heating device 10, there are no moving parts inside the cooling and heating device 10, and there is no noise when working. The working current can be directly adjusted to adjust the cooling capacity. The housing 1 has dustproof and protective functions to prevent internal components from being worn. The cooling and heating device 10 has a long service life and high reliability.

[0050] In some embodiments of the present invention, Figure 2 , which is a schematic diagram of a cooling and heating assembly according to an embodiment of the present invention, wherein the cooling and heating assembly 3 comprises an insulating sleeve 31 and a semiconductor unit array 32. The semiconductor unit array 32 is sleeved in the insulating sleeve 31.

[0051] Specifically, the insulating sleeve 31 can be a PI film (Polyimide Film), and the semiconductor unit array 32 can be pre-sheathed in the insulating sleeve 31 to form a complete cooling and heating component 3, and then the cooling and heating component 3 and the heat exchanger 2 are stacked in the housing 1 in sequence, and used after being pressed and formed. Among them, the insulating sleeve 31 is tightly wrapped around the surface of the semiconductor unit array 32. The insulating sleeve 31 is mainly used for insulation and will not be easily separated from the semiconductor unit array 32, which can prevent wear of the internal structure and enhance the durability of the cooling and heating component 3.

[0052] The semiconductor unit array 32 includes a semiconductor unit 321 , a first electrode 322 and a second electrode 323 . The semiconductor unit 321 includes a pair of a P-type semiconductor sub-unit and an N-type semiconductor sub-unit. The semiconductor unit array 32 is used to generate heat or absorb heat.

[0053] Among them, in the embodiment, a connecting piece C can be set between the P-type semiconductor subunit and the N-type semiconductor subunit to connect the P-type semiconductor subunit and the N-type semiconductor subunit. The connecting piece C is a conductive material and is used for the conductive function between the P-type semiconductor subunit and the N-type semiconductor subunit. For example, the connecting piece C can be made of copper, aluminum and other materials, which have good electrical conductivity and thermal conductivity, and are easy to absorb and generate heat absorption and / or heat release while conducting electricity. The manufacturing material of the P-type semiconductor subunit and the N-type semiconductor subunit is a thermoelectric material, for example, its material can be selected from bismuth telluride and its alloys, lead telluride and its alloys, silicon germanium alloy and other materials, the P-type semiconductor subunit and the N-type semiconductor subunit are combined as an electric arm, for example, the P-type semiconductor subunit is a high-energy-level electric arm, and the N-type semiconductor subunit is a low-energy-level electric arm, and heat absorption and / or heat release occurs at the contact point between the semiconductor subunit and the connecting piece C.

[0054] Connecting plates C are disposed between the P-type semiconductor sub-units and the N-type semiconductor sub-units. The first electrode 322 and the second electrode 323 can also serve as connecting plates for connecting the semiconductor sub-units disposed at both ends of each row.

[0055] For example, taking the P-type semiconductor sub-unit and the N-type semiconductor sub-unit at one end close to the first electrode strip Q1 as an example, a group of connecting pieces C are arranged on one side of the P-type semiconductor sub-unit and the N-type semiconductor sub-unit to connect the P-type semiconductor sub-unit and the N-type semiconductor sub-unit to form a group, the next group of P-type semiconductor sub-units are arranged on the other side of the N-type semiconductor sub-unit, and another group of connecting pieces C are arranged on the other side of the N-type semiconductor sub-unit to connect the N-type semiconductor sub-unit with the next group of P-type semiconductor sub-units, and so on, the P-type semiconductor sub-units and the N-type semiconductor sub-units are arranged alternately, and each group of semiconductor units is connected in parallel, and the two groups of semiconductor units at the two ends are respectively connected to the first electrode 322 and the second electrode 323. For example, the P-type semiconductor sub-units in a group of semiconductor units at one end are connected to the first electrode 322, and the N-type semiconductor sub-units in a group of semiconductor units at the other end are connected to the second electrode 323.

[0056] In the embodiment, the cooling and heating component 3 utilizes the Peltier effect of thermoelectric materials, that is, the movement of charge carriers in a conductor forms an electric current. Since the charge is at different energy levels in the materials of different carriers, for example, the charge is at a high energy level in a P-type semiconductor subunit and the charge is at a low energy level in an N-type semiconductor subunit, when the current moves from a high energy level to a low energy level, excess energy can be released to achieve heat generation. Conversely, when the current moves from a low energy level to a high energy level, it needs to absorb heat from the outside to achieve heat absorption. When energy is absorbed or released in the form of heat at the interface of the two-energy-level material, namely, the P-type semiconductor subunit and the N-type semiconductor subunit, heat generation or heat absorption is achieved.

[0057] In some embodiments of the present invention, the semiconductor unit array 32 includes a first electrode strip Q1 and a second electrode strip Q2 arranged in parallel, for example, Figure 2 As shown, the electrode belt on the left side of the semiconductor unit array 32 is marked as the first electrode belt Q1, and the electrode belt on the right side of the semiconductor unit array 32 is marked as the second electrode belt Q2. The first end of the first electrode belt Q1 serves as the first electrode 322 of the semiconductor unit array 32, and the first end of the second electrode belt Q2 serves as the second electrode 323 of the semiconductor unit array 32. The first electrode belt Q1 and the second electrode belt Q2 are both longer than the length of the semiconductor unit 321 arranged along the length direction of the two electrode belts, and after the semiconductor unit array 32 is sleeved in the insulating sleeve 31 to form a complete cooling and heating component 3, the first end of the first electrode belt Q1 and the first end of the second electrode belt Q2 both extend out of the insulating sleeve 31, that is, the two electrode ends of the first electrode 322 and the second electrode 323 are exposed to the outside of the cooling and heating component 3, which is convenient for connecting the power supply.

[0058] In the embodiment, the semiconductor unit array 32 further includes N semiconductor unit rows 324, which are arranged in sequence along the length direction of the first electrode strip Q1 or the second electrode strip Q2, the first end of each semiconductor unit row 324 is connected to the first electrode strip Q1, the second end of each semiconductor unit row 324 is connected to the second electrode strip Q2, and each semiconductor unit row 324 includes M semiconductor units 321 connected in parallel. Wherein, N and M are both positive integers.

[0059] The values ​​of N and M can be set as needed or in the laboratory, for example, N can be set to 8 and M can be set to 11, but it is not limited thereto. Specifically, taking any semiconductor unit row 324 as an example, the first electrode belt Q1 and the second electrode belt Q2 are arranged at both ends of the semiconductor unit row 324 and are respectively connected to the two ends of the semiconductor unit row 324, such as the first end of the semiconductor unit row 324 is connected to the first electrode belt Q1, and the second end is connected to the second electrode belt Q2. In the semiconductor unit row 324, M P-type semiconductors and M N-type semiconductors are arranged alternately, and one P-type semiconductor and one N-type semiconductor form a pair, that is, M P-type semiconductors and M N-type semiconductors form M pairs, and the M pairs of semiconductors are connected in parallel. For example, the semiconductor disposed at the most edge position of a pair of semiconductors on one side can be used as the first end of the semiconductor unit row 324 and connected to the first electrode band Q1, and the semiconductor disposed at the most edge position of a pair of semiconductors on the other side can be used as the second end of the semiconductor unit row 324 and connected to the second electrode band Q2. After power is turned on, current can flow in through the first electrode band Q1, generate heat or absorb heat when flowing through the semiconductor unit row 324, and then flow out through the second electrode band Q2, or current can flow in through the second electrode band Q2, generate heat or absorb heat when flowing through the semiconductor unit row 324, and then flow out through the first electrode band Q1.

[0060] According to the cooling and heating component 3 of the embodiment of the present invention, the first electrode belt Q1 and the second electrode belt Q2 are respectively arranged on both sides of the cooling and heating component 3, and the first end and the second end of the N semiconductor unit rows 324 in the semiconductor unit array 32 are respectively connected to the first electrode belt Q1 and the second electrode belt Q2, so that after power is turned on, each semiconductor unit in the semiconductor unit array 32 can generate heat and absorb heat. In addition, there are no moving parts in the cooling and heating component 3, and the P-type semiconductor sub-unit, the N-type semiconductor sub-unit, the first electrode belt Q1, and the second electrode belt Q2 are noise-free when working, and have the advantages of no wear, long life, high reliability, etc.

[0061] In some embodiments of the present invention, Figure 3, which is a schematic diagram of a cooling and heating assembly according to another embodiment of the present invention, wherein the P-type semiconductor sub-unit in the semiconductor unit at one end of each semiconductor unit row 324 is connected to the first electrode strip Q1, and the N-type semiconductor sub-unit in the semiconductor unit at the other end of each semiconductor unit row 324 is connected to the second electrode strip Q2. The N-type semiconductor sub-unit includes a plurality of N-type semiconductors, which are impurity semiconductors with a free electron concentration much greater than a hole concentration, and the P-type semiconductor sub-unit includes a plurality of P-type semiconductors, which are semiconductors that mainly conduct electricity through positively charged holes.

[0062] The cooling and heating assembly 3 also includes a power supply 33 and a power switch 34. The power supply 33 can be used to provide direct current, and the power switch 34 is used to connect the first electrode belt Q1 to the negative terminal of the power supply 33, and the second electrode belt Q2 to the positive terminal of the power supply 33, so that the semiconductor unit array 32 absorbs heat, or is used to connect the first electrode belt Q1 to the positive terminal of the power supply 33, and the second electrode belt Q2 to the negative terminal of the power supply 33, so that the semiconductor unit array 32 releases heat.

[0063] Specifically, after the power supply 33 starts to supply power, the positive terminal of the power supply 33 can be connected to the first electrode band Q1 or the second electrode band Q2 by adjusting the power supply switching switch 34. When the first electrode band Q1 is connected to the negative terminal of the power supply 33 and the second electrode band Q2 is connected to the positive terminal of the power supply 33, the current flows out from the positive terminal of the power supply 33 through the second electrode band Q2 into the semiconductor unit array 32, and then flows out through the first electrode band Q1. The semiconductor unit array 32 absorbs heat, thereby realizing the cooling function. When the first electrode band Q1 is connected to the positive terminal of the power supply 33 and the second electrode band Q2 is connected to the negative terminal of the power supply 33, the current flows out from the positive terminal of the power supply 33 through the first electrode band Q1 into the semiconductor unit array 32, and then flows out through the second electrode band Q2. The semiconductor unit array 32 releases heat, thereby realizing the heating function.

[0064] In some embodiments of the present invention, Figure 3 As shown, the power switch 34 includes a first stationary contact a1, a second stationary contact a2, a third stationary contact a3, a fourth stationary contact a4, a first switch K1 and a second switch K2.

[0065] Among them, the first static contact a1 is connected to the negative terminal of the power supply 33, the second static contact a2 is connected to the positive terminal of the power supply 33, the third static contact a3 is connected to the positive terminal of the power supply 33, the fourth static contact a4 is connected to the negative terminal of the power supply 33, the first end of the first switch K1 is connected to the first electrode band Q1, and the second end of the first switch K1 can be switched between the first static contact a1 and the third static contact a3 or suspended, the first end of the second switch K2 is connected to the second electrode band Q2, and the second end of the second switch K2 can be switched between the second static contact a2 and the fourth static contact a4 or suspended.

[0066] Specifically, when the first switch K1 is switched to the first static contact a1, the second switch K2 is switched to the second static contact a2, the third static contact a3 and the fourth static contact a4 are suspended, that is, the third static contact a3 and the fourth static contact a4 are disconnected. At this time, the P-type semiconductor sub-unit is connected to the positive terminal of the power supply 33 via the first electrode band Q1, and the N-type semiconductor sub-unit is connected to the negative terminal of the power supply 33 via the second electrode band Q2. The current flows out from the positive terminal of the power supply 33 through the first electrode band Q1 and flows into the semiconductor unit array 32, and then flows out through the second electrode band Q2. The P-type semiconductor sub-unit is a high-energy-level electric arm, and the N-type semiconductor sub-unit is a low-energy-level electric arm. When the current moves from the high-energy-level electric arm to the low-energy-level electric arm, heat is released, that is, heat release occurs at the connecting piece C between the P-type semiconductor sub-unit and the N-type semiconductor sub-unit, and the semiconductor unit array 32 releases heat, thereby realizing the heating function.

[0067] When the first switch K1 is switched to the third static contact a3, and the second switch K2 is switched to the fourth static contact a4, the first static contact a1 and the second static contact a2 are suspended, that is, the first static contact a1 and the second static contact a2 are disconnected. At this time, the P-type semiconductor sub-unit is connected to the negative terminal of the power supply 33 via the first electrode band Q1, and the N-type semiconductor sub-unit is connected to the positive terminal of the power supply 33 via the second electrode band Q2. The current flows out from the positive terminal of the power supply 33 through the second electrode band Q2 into the semiconductor unit array 32, and then flows out through the first electrode band Q1. The P-type semiconductor sub-unit is a high-energy-level electric arm, and the N-type semiconductor sub-unit is a low-energy-level electric arm. When the current moves from the low-energy-level electric arm to the high-energy-level electric arm, heat is absorbed, that is, an endothermic phenomenon occurs at the connecting piece C between the P-type semiconductor sub-unit and the N-type semiconductor sub-unit, and the semiconductor unit array 32 absorbs heat, thereby realizing a cooling function.

[0068] In some embodiments of the present invention, Figure 4As shown, it is a schematic diagram of a heat exchanger according to an embodiment of the present invention, the heat exchanger 2 includes a heat exchange plate 23 and a heat exchange plate cover 24, wherein the lower part of the heat exchange plate 2 is defined with an inner groove 21 and a first through hole b1 and a second through hole b2 connected to the inner groove 21, a slot is arranged above the inner groove 21, and a plurality of parallel spacers are arranged in the slot to form an S-shaped groove, the heat exchange plate 23 mainly functions to exchange heat and construct a refrigerant channel, the heat exchange plate cover 24 is covered on the heat exchange plate 23 and tightly covers the S-shaped groove to construct a refrigerant channel. Among them, the semiconductor unit array 32 is arranged in the inner groove 21, the first electrode 322 passes through the first through hole b1, and the second electrode 323 passes through the second through hole b2, and the first electrode 322 and the second electrode 323 are convenient for connecting with the circuit where the power supply 33 is located.

[0069] The refrigerant channel constructed based on the S-shaped groove can make the refrigerant channel as long as possible under the limited area and volume of the heat exchange plate 23, and the heat conversion efficiency is higher. Or, under the condition of meeting the length requirement of the refrigerant channel, the area of ​​the heat exchange plate 23, the heat exchange plate cover 24 and the semiconductor unit array 32 can be reduced as much as possible, saving materials and reducing costs. The S-shaped refrigerant channel is arranged more closely, and the heat exchange between the refrigerant and the semiconductor unit array 32 is more sufficient, and the structure and manufacturing process are simple.

[0070] In an embodiment, Figure 5 FIG. 2 is a schematic diagram of a heat exchanger before pressing according to an embodiment of the present invention. In the process of assembling the heat exchanger 2, after the heat exchange plate cover 24 and the heat exchange plate 23 are tightly covered, and after the semiconductor unit array 32 is set in the inner groove 21, there may be a large gap between the inner groove 21 and the semiconductor unit array 32, or the combination is not tight. In the subsequent use process, the semiconductor unit array 32 may be displaced or even fall off from the inner groove 21. Figure 6 As shown, it is a schematic diagram of a heat exchanger after pressing according to an embodiment of the present invention. The heat exchanger 2 and the cooling and heating component 3 can be pressed and formed through a process and fixed, and the refrigerant in the refrigerant channel can better exchange heat with the cooling and heating component 3. When the cooling and heating device 10 is cooling or heating, the cooling and heating component 3 is powered on to absorb heat or release heat when the refrigerant flows through the refrigerant channel 22 in the heat exchanger 2, and heat is exchanged with the refrigerant in the refrigerant channel 22 to heat or cool the refrigerant. The heated or cooled refrigerant circulates to the target environment and exchanges heat with the target environment to achieve the cooling or heating function.

[0071] In some embodiments of the present invention, Figure 1As shown, an opening is provided on the shell 1, and the heat exchange element 2 passes through the opening and is buckled with the shell 1, wherein the heat exchange plate cover 24 is away from the opening. The shell 1 and the heat exchange element 2 can be firmly buckled by adjusting the size of the shell 1 or adopting other applicable methods, and the shell 1 can be set as a detachable component to facilitate later cleaning or maintenance.

[0072] In some embodiments of the present invention, Figure 7 FIG. 1 is a schematic diagram of a vehicle cooling and heating device according to another embodiment of the present invention, wherein the cooling and heating device 10 further includes a heat preservation component 4, which is disposed between the heat exchange component 2 and the housing 1. The heat preservation component 4 mainly functions as a heat preservation component, which can reduce heat radiation and improve heating and / or cooling efficiency.

[0073] In some embodiments of the present invention, wherein, Figure 8 FIG. 1 is a schematic diagram of a vehicle cooling and heating device according to another embodiment of the present invention. The cooling and heating assembly 3 is set in the inner groove 21 of the heat exchanger 2, and the heat exchange plate cover 24 in the heat exchanger 2 is covered on the heat exchange plate 23. After the whole is pressed and formed, a layer of heat insulation member 4 is set on the heat exchange plate cover 24, and finally the shell 1 is covered, so as to obtain the following. Figure 8 A fully assembled refrigerator / heater 10 is shown.

[0074] Reference below Fig. 9 and Fig.10 A vehicle thermal management system according to an embodiment of the present invention is described.

[0075] In some embodiments of the present invention, Fig. 9 As shown, it is a block diagram of a vehicle thermal management system according to an embodiment of the present invention, wherein the vehicle thermal management system 100 includes a liquid storage tank 20, a pump body 30, a cooling and heating device 10 for a vehicle according to any of the above embodiments, a cold and warm exchange unit 40, a switch unit 50, a temperature sensor unit 60 and a controller 70.

[0076] The liquid storage tank 20 is used to store refrigerant, and is provided with a first liquid inlet 201 and a first liquid outlet 202. The refrigerant flows into the liquid storage tank 20 from the first liquid inlet 201 and flows out of the liquid storage tank 20 from the first liquid outlet 202. The pump body 30 is provided with a second liquid inlet 301 and a second liquid outlet 302, and the second liquid inlet 301 is connected to the first liquid outlet 202. When the pump body 30 is powered on and operated, it is used to provide circulation power for the circulating refrigerant in the entire system 100.

[0077] The refrigerant inlet 11 of the cooling and heating device 10 is connected to the second liquid outlet 302. When the refrigerant flows through the cooling and heating device 10, the cooling and heating device 10 exchanges heat with the refrigerant to heat up or cool the refrigerant. The heating and cooling exchange unit 40 is connected to the refrigerant outlet 12 and the first liquid inlet 201 of the cooling and heating device 10, wherein the heating and cooling exchange unit 40 may include a heating and cooling air core unit for adjusting the temperature of the passenger compartment, and a liquid-cooled battery pack unit for adjusting the temperature of the battery pack. When the refrigerant after heating or cooling flows through the heating and cooling exchange unit 40, the refrigerant exchanges heat with the target environment in the heating and cooling exchange unit 40 to adjust the target environment temperature. A fan may also be provided in the heating and cooling exchange unit 40. Under heating or cooling conditions, the wind generated when the fan is running helps the refrigerant to quickly exchange heat with the target environment, thereby improving the cooling or heating efficiency.

[0078] The switch unit 50 is disposed on the pipeline connecting the cold and warm exchange unit 40 and the refrigerant outlet 12 of the cooling and heating device 10, and the switch unit 50 can control the flow of the refrigerant in the management. For example, the switch unit 50 may include a plurality of switches, and the plurality of switches may be respectively disposed on different branches connecting the cooling and heating device 10 and the cold and warm exchange unit 40. When the switch on the branch is turned on, the refrigerant may flow from the cooling and heating device 10 to the cold and warm exchange unit 40 through the branch. When the switch unit 50 is turned off, the refrigerant in the branch is prevented from flowing, thereby realizing cooling or heating of the cold and warm exchange unit 40 on the corresponding branch.

[0079] In an embodiment, the liquid storage tank 20, the pump body 30, the cooling and heating device 10, the cold and warm exchange unit 40 and the switch unit 50 are connected in series to form a circuit of the vehicle thermal management system 100. After the vehicle thermal management system 100 is powered on, the refrigerant circulates in the circuit to achieve cooling or heating functions.

[0080] The temperature sensing unit 60 is used to detect the temperature of the vehicle target environment, wherein the temperature sensing unit 60 may include a temperature sensor. For example, the temperature sensing unit 60 may be set in the passenger compartment to collect the passenger compartment temperature, or the temperature sensing unit 60 may also be set in the battery pack to collect the battery pack temperature.

[0081] The controller 70 is connected to the temperature sensing unit 60, the switch unit 50, the pump body 30 and the cooling and heating device 10, respectively, and is used to control the switch state of the switch unit 50, the operation state of the pump body 30 and the operation mode of the cooling and heating device 10 according to the temperature of the target environment. The controller 70 can control the switch unit 50 to open or close to control the circulation path of the refrigerant, for example, it can also control the opening degree of the switch unit 50 to adjust the flow rate of the refrigerant.

[0082] Specifically, in the embodiment, the air conditioning working parameters, the cooling temperature threshold and heating temperature threshold of the temperature of the target environment of the vehicle, the cooling target temperature value and the heating target temperature value, etc. can be preset as needed or under laboratory conditions. When the vehicle thermal management system 100 is not powered on, the controller 70 can obtain the vehicle target environment temperature detected by the temperature sensing unit 60, and after determining that the cooling temperature threshold or the heating temperature threshold is reached, it is determined that a cooling or heating operation is required. The controller 70 obtains the target temperature value that needs to be adjusted for the corresponding vehicle target environment based on the air conditioning working parameters and the detected temperature analysis and calculation, and controls the switch of the branch where it is located to open, and controls the opening degree of the switch unit 50 and controls the pump body 30 and the cooling and heating device 10 to start running. The pump body 30 drives the refrigerant to circulate in the pipeline, and the cooling and heating device 10 heats or cools the refrigerant. The refrigerant flows to the cold and warm exchange unit 40 through the branch pipeline where the switch is located, and performs heat exchange with the target environment in the cold and warm exchange unit 40, and circulates back and forth, thereby realizing the cooling or heating function. Alternatively, in the working process of the vehicle thermal management system 100, the controller 70 determines that the vehicle target ambient temperature reaches the cooling target temperature value or the heating target temperature value based on the vehicle target ambient temperature detected by the temperature sensor unit 60, and then controls the switch of the branch where it is located to close, and controls the pump body 30 and the cooling and heating device 10 to stop running, and the cooling and heating device 10 stops cooling or heating, thereby completing the temperature adjustment process of the target environment.

[0083] According to the vehicle thermal management system 100 of the embodiment of the present invention, the temperature sensing unit 60 detects the temperature of the target environment of the vehicle, and the controller 70 controls the switch state of the switch unit 50 based on the temperature of the target environment of the vehicle to control the circulation path and flow rate of the refrigerant. The controller 70 controls the operation state of the pump body 30, thereby controlling the circulation state of the refrigerant. The controller 70 also controls the working state of the cooling and heating device 10 to achieve the purpose of effectively heating or cooling the refrigerant, thereby adjusting the temperature of the target environment. The vehicle thermal management system 100 of the present invention is based on the structure of the liquid storage tank 20, the pump body 30, the cooling and heating device 10, the cold and warm exchange unit 40 and the switch unit 50, that is, it can realize the cooling or heating function. Only by setting a cooling and heating device 10, it can replace multiple components such as the traditional PTC water heater, compressor, generator and condenser. The structure is simple, and the weight of the whole vehicle can be reduced, and the production cost can be reduced.

[0084] In some embodiments of the present invention, Fig.10, which is a schematic diagram of a vehicle thermal management system according to an embodiment of the present invention, wherein the cold and warm exchange unit 40 includes a cold and warm air core unit 41, and the cold and warm air core unit 41 includes a third liquid inlet 411 and a third liquid outlet 412, wherein the third liquid inlet 411 is connected to the refrigerant outlet 12 of the cooling and heating device 10, and the third liquid outlet 412 is connected to the first liquid inlet 201. The cold and warm air core unit 41 is provided with a refrigerant channel and an air passage channel therein, and after the refrigerant is heated or cooled by the cooling and heating device 10, it flows through the refrigerant channel in the cold and warm air core unit 41 and is heated or cooled, and the wind generated by the fan in the air passage channel finally realizes cooling or heating of the passenger compartment.

[0085] The temperature sensing unit 60 includes a first temperature sensor 61, which is used to collect the temperature of the vehicle passenger compartment. The switch unit 50 includes a first switch 51, which is arranged on the connecting pipeline between the third liquid inlet 411 and the refrigerant outlet 12 of the cooling and heating device 10. The controller 70 is used to control the first switch 51 to close when the temperature of the vehicle passenger compartment is lower than the set temperature range of the passenger compartment, control the pump body 30 to operate, and control the cooling and heating device 10 to generate heat, or, when the temperature of the vehicle passenger compartment is higher than the set temperature range of the passenger compartment, control the first switch 51 to close, control the pump body 30 to operate, and control the cooling and heating device 10 to absorb heat.

[0086] Specifically, the first temperature sensor 61 can be set in the passenger compartment to detect the temperature of the passenger compartment, and the air conditioning working parameters can be preset and the temperature range of the passenger compartment can be set. The set temperature range takes the temperature interval [A, B] as an example, wherein the values ​​of A and B can be set as needed or under laboratory conditions. The controller 70 determines whether the temperature of the passenger compartment needs to be controlled according to the temperature of the passenger compartment detected by the first temperature sensor 61. For example, when the temperature of the passenger compartment is within the temperature interval [A, B], it is determined that temperature control is not required. If the temperature of the passenger compartment is not within the temperature interval [A, B], it is determined that temperature control is required. At this time, the controller 70 controls the first switch 51 to open, and controls the pump body 30, the cooling and heating device 10, and the fan in the cold and warm air core unit 41 to start working.

[0087] The controller 70 also determines the working mode of the cooling and heating device 10 based on the passenger compartment temperature detected by the first temperature sensor 61. For example, when the passenger compartment temperature is higher than B, the cooling and heating device 10 is controlled to start the cooling mode. Figure 3 It can be seen that at this time, the first switch K1 is switched to the third static contact a3, the second switch K2 is switched to the fourth static contact a4, the first static contact a1 and the second static contact a2 are suspended, and the semiconductor unit array 32 absorbs heat, thereby realizing the cooling function. For another example, when the temperature of the passenger compartment is lower than A, the cooling and heating device 10 is controlled to start the heating mode. Figure 3 It can be seen that at this time, the first switch K1 is switched to the first static contact a1, the second switch K2 is switched to the second static contact a2, the third static contact a3 and the fourth static contact a4 are suspended, and the semiconductor unit array 32 releases heat, thereby realizing the heating function. During the entire temperature adjustment process, the first temperature sensor 61 detects the passenger compartment temperature in real time. When the controller 70 determines that the passenger compartment temperature has reached the set temperature based on the detected passenger compartment temperature, the controller 70 controls the pump body 30, the cooling and heating device 10, and the fan in the cooling and heating air core unit 41 to stop working, and controls the first switch 51 to be closed, completing the temperature adjustment process of the passenger compartment.

[0088] In some embodiments of the present invention, Fig.10 As shown, the cold and warm exchange unit 40 also includes a liquid-cooled battery pack unit 42, and the liquid-cooled battery pack unit 42 includes a fourth liquid inlet 421 and a fourth liquid outlet 422, the fourth liquid inlet 421 is connected to the refrigerant outlet 12 of the cooling and heating device 10, and the fourth liquid outlet 422 is connected to the first liquid inlet 201. Among them, a refrigerant channel is provided inside the liquid-cooled battery pack unit 42, and the refrigerant is heated or cooled by the cooling and heating device, and then flows through the refrigerant channel in the cold and warm air core unit 41 to be heated or cooled, and heat conversion is completed between the refrigerant and the battery pack, and finally the cooling or heating of the liquid-cooled battery pack unit 42 is realized.

[0089] The temperature sensing unit 60 includes a second temperature sensor 62, which is used to collect the battery pack temperature. The switch unit 50 includes a second switch 52, which is arranged on the connecting pipeline between the fourth liquid inlet 421 and the refrigerant outlet 12 of the cooling and heating device 10. The controller 70 is used to control the second switch 52 to close when the battery pack temperature is lower than the battery pack set temperature range, control the pump body 30 to operate, and control the cooling and heating device 10 to generate heat, or, when the battery pack temperature is higher than the battery pack set temperature range, control the second switch 52 to close, control the pump body 30 to operate, and control the cooling and heating device 10 to absorb heat.

[0090] Specifically, the second temperature sensor 62 can be set in the battery pack to collect the battery pack temperature, and the battery pack operating parameters and the temperature range of the battery pack can be preset. The set temperature range takes the temperature interval [C, D] as an example, wherein the values ​​of C and D can be set as needed or under laboratory conditions. The controller 70 determines whether the battery pack needs to be temperature controlled based on the battery pack temperature detected by the second temperature sensor 62. For example, when the battery pack temperature is within the temperature interval [C, D], it is determined that temperature control is not required. If the battery pack temperature is not within the temperature interval [C, D], it is determined that temperature control is required. At this time, the controller 70 controls the second switch 52 to open, and controls the pump body 30 and the cooling and heating device 10 to start working.

[0091] The controller 70 also determines the working mode of the cooling and heating device 10 based on the battery pack temperature detected by the second temperature sensor 62. For example, when the battery pack temperature is higher than D, the cooling and heating device 10 is controlled to start the cooling mode. Figure 3 It can be seen that at this time, the first switch K1 is switched to the third static contact a3, the second switch K2 is switched to the fourth static contact a4, the first static contact a1 and the second static contact a2 are suspended, and the semiconductor unit array 32 absorbs heat, thereby realizing the cooling function. For another example, when the battery pack temperature is lower than C, the cooling and heating device 10 is controlled to turn on the heating mode. Combined with the above Figure 3 It can be seen that at this time, the first switch K1 is switched to the first static contact a1, the second switch K2 is switched to the second static contact a2, the third static contact a3 and the fourth static contact a4 are suspended, and the semiconductor unit array 32 releases heat, thereby realizing the heating function. During the entire temperature adjustment process, the second temperature sensor 62 detects the battery pack temperature in real time. When the controller 70 determines that the battery pack temperature has reached the set temperature based on the detected battery pack temperature, the controller 70 controls the pump body 30 and the cooling and heating device 10 to stop working, and controls the second switch 52 to close, so as to complete the temperature adjustment process of the battery pack.

[0092] In some embodiments of the present invention, Fig.10 As shown, for example, the controller 70 can also determine the working mode of the cooling and heating device 10 based on the passenger compartment temperature detected by the first temperature sensor 61 and the battery pack temperature detected by the second temperature sensor 62. For example, when it is determined according to the battery pack temperature and the passenger compartment temperature that the battery pack temperature and the passenger compartment temperature need to be adjusted at the same time, and both the battery pack and the passenger compartment need to be heated up or cooled down, that is, the operating mode of the cooling and heating device 10 required by both is the same, in this case, the controller 70 can simultaneously control the switching state of the first switch 51 and the second switch 52, and control the working state of the cooling and heating device 10, and the refrigerant flows through the branch pipe where the first switch 51 and the second switch 52 are located, through the cold and warm air core unit 41 and the liquid-cooled battery pack unit 42, and the controller 70 controls the first switch 51 and the second switch 52 so as not to affect each other, that is, the working states of the cold and warm air core unit 41 and the liquid-cooled battery pack unit 42 will not interfere with each other, so as to achieve simultaneous cooling or heating functions.

[0093] In some embodiments of the present invention, Fig.11 , is a block diagram of a vehicle according to some embodiments of the present invention, wherein the vehicle 1000 includes a vehicle thermal management system 100 according to the above second aspect embodiment.

[0094] According to the vehicle 1000 of the embodiment of the present invention, by setting the vehicle thermal management system 100 of the second instant noodle embodiment above, the controller 70 controls the switch state of the switch unit 50, the operating state of the pump body 30 and the working state of the cooling and heating device 10 based on the detected temperature of the vehicle target environment, so as to achieve the purpose of effectively heating or cooling the refrigerant, thereby adjusting the temperature of the target environment. The vehicle thermal management system 100 is set on the vehicle 1000, which can realize the cooling or heating function. Only by setting a cooling and heating device 10, multiple components such as the traditional PTC water heater, compressor, generator and condenser can be replaced. The structure is simple, the weight of the whole vehicle can be reduced, and the production cost can be reduced.

[0095] Other structures and operations of the vehicle 1000 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0097] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A cooling and heating device for a vehicle, characterized in that: include: A shell having a refrigerant inlet and a refrigerant outlet; a heat exchange member, the heat exchange member being disposed in the shell, the heat exchange member defining an inner groove and a refrigerant channel, the refrigerant channel being in communication with the refrigerant outlet and the refrigerant outlet; A cooling and heating component, which is disposed in the inner tank and is pressed and formed with the heat exchanger, and is used to generate heat or absorb heat to heat or cool the refrigerant flowing through the refrigerant channel; The cooling and heating assembly includes a semiconductor unit array, and the semiconductor unit array includes a first electrode and a second electrode; The heat exchange element comprises: A heat exchange plate, wherein the lower portion of the heat exchange plate is defined with the inner groove and a first through hole and a second through hole communicating with the inner groove, an open groove is arranged above the inner groove, and a plurality of parallel spacers are arranged in the open groove to form an S-shaped groove; A heat exchange plate cover, wherein the heat exchange plate cover is disposed on the heat exchange plate and tightly covers the S-shaped groove to construct the refrigerant channel; The semiconductor unit array is disposed in the inner groove, the first electrode passes through the first through hole, and the second electrode passes through the second through hole.

2. The cooling and heating device for a vehicle according to claim 1, characterized in that: The refrigeration and heating component comprises: Insulation sleeve; The semiconductor unit array is sleeved in the insulating sleeve, the semiconductor unit array includes a semiconductor unit, the first electrode and the second electrode, the semiconductor unit includes a pair of P-type semiconductor sub-units and N-type semiconductor sub-units, and the semiconductor unit array is used for generating heat or absorbing heat.

3. The cooling and heating device for a vehicle according to claim 2, characterized in that: The semiconductor unit array comprises: A first electrode strip and a second electrode strip are arranged in parallel, wherein a first end of the first electrode strip serves as a first electrode of the semiconductor unit array, and a first end of the second electrode strip serves as a second electrode of the semiconductor unit array; N semiconductor unit rows, the N semiconductor unit rows are arranged in sequence along the length direction of the first electrode strip or the second electrode strip, a first end of each semiconductor unit row is connected to the first electrode strip, and a second end of each semiconductor unit row is connected to the second electrode strip; Each of the semiconductor unit rows includes M semiconductor units connected in parallel; Wherein, N and M are both positive integers.

4. The cooling and heating device for a vehicle according to claim 3, characterized in that: The P-type semiconductor sub-units in the semiconductor units at one end of each semiconductor unit row are connected to the first electrode strip, and the N-type semiconductor sub-units in the semiconductor units at the other end of each semiconductor unit row are connected to the second electrode strip; The refrigeration and heating component also includes: Power supply; A power switching switch is used to connect the first electrode to the negative terminal of the power supply and the second electrode to the positive terminal of the power supply so that the semiconductor unit array absorbs heat, or to connect the first electrode to the positive terminal of the power supply and the second electrode to the negative terminal of the power supply so that the semiconductor unit array releases heat.

5. The cooling and heating device for a vehicle according to claim 4, characterized in that: The power switch comprises: a first static contact and a second static contact, wherein the first static contact is connected to the negative terminal of the power supply, and the second static contact is connected to the positive terminal of the power supply; a third static contact and a fourth static contact, wherein the third static contact is connected to the positive terminal of the power supply, and the fourth static contact is connected to the negative terminal of the power supply; a first switch, wherein a first end of the first switch is connected to the first electrode, and a second end of the first switch can be switched between the first static contact and the third static contact or left suspended; A second switch, wherein a first end of the second switch is connected to the second electrode, and a second end of the second switch can be switched between the second static contact and the fourth static contact or left suspended.

6. The cooling and heating device for a vehicle according to claim 1, characterized in that: The shell is provided with an opening, and the heat exchange element passes through the opening and is buckled with the shell, wherein the heat exchange plate cover is away from the opening.

7. The cooling and heating device for a vehicle according to claim 1, characterized in that: The cooling and heating device further includes a heat preservation component, and the heat preservation component is arranged between the heat exchange component and the shell.

8. A vehicle thermal management system, characterized in that: include: A liquid storage tank, used for storing refrigerant, wherein the liquid storage tank is provided with a first liquid inlet and a first liquid outlet; A pump body, wherein the pump body is provided with a second liquid inlet and a second liquid outlet, and the second liquid inlet is connected to the first liquid outlet; The cooling and heating device for a vehicle according to any one of claims 1 to 7, wherein the refrigerant inlet of the cooling and heating device is connected to the second liquid outlet; A cold-heat exchange unit, the cold-heat exchange unit being connected to the refrigerant outlet of the cooling and heating device and the first liquid inlet; A switch unit, the switch unit being arranged on a pipeline connecting the cold-heat exchange unit and the refrigerant outlet of the cooling and heating device; A temperature sensing unit for detecting the temperature of the vehicle's target environment; A controller is connected to the temperature sensing unit, the switch unit, the pump body and the cooling and heating device respectively, and is used to control the switch state of the switch unit, the operating state of the pump body and the operating mode of the cooling and heating device according to the temperature of the target environment.

9. The vehicle thermal management system according to claim 8, characterized in that: The cold and warm exchange unit comprises a cold and warm air core unit, the cold and warm air core unit comprises a third liquid inlet and a third liquid outlet, the third liquid inlet is connected to the refrigerant outlet of the cooling and heating device, and the third liquid outlet is connected to the first liquid inlet; The temperature sensing unit includes a first temperature sensor, which is used to collect the temperature of the vehicle passenger compartment; The switch unit comprises a first switch, and the first switch is arranged on a connecting pipe between the third liquid inlet and the refrigerant outlet of the cooling and heating device; The controller is used to control the first switch to close, the pump to operate, and the cooling and heating device to generate heat when the temperature of the vehicle passenger compartment is lower than the set temperature range of the passenger compartment, or to control the first switch to close, the pump to operate, and the cooling and heating device to absorb heat when the temperature of the vehicle passenger compartment is higher than the set temperature range of the passenger compartment.

10. The vehicle thermal management system according to claim 8 or 9, characterized in that: The cold-heat exchange unit includes a liquid-cooled battery pack unit, the liquid-cooled battery pack unit includes a fourth liquid inlet and a fourth liquid outlet, the fourth liquid inlet is connected to the refrigerant outlet of the cooling and heating device, and the fourth liquid outlet is connected to the first liquid inlet; The temperature sensing unit includes a second temperature sensor, and the second temperature sensor is used to collect the temperature of the battery pack; The switch unit comprises a second switch, and the second switch is arranged on a connecting pipe between the fourth liquid inlet and the refrigerant outlet of the cooling and heating device; The controller is used to control the second switch to close, control the pump to operate, and control the cooling and heating device to generate heat when the battery pack temperature is lower than a set temperature range of the battery pack, or to control the second switch to close, control the pump to operate, and control the cooling and heating device to absorb heat when the battery pack temperature is higher than a set temperature range of the passenger compartment.

11. A vehicle, characterized in that: A vehicle thermal management system comprising the method described in any one of claims 8 to 10.

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