Integrated management system for large-extended-range small-electric-quantity mine truck
By integrating the refrigerant loop and thermal management coordinating loop systems, the problem of the inability of the cold and heat management systems of new energy mining trucks to coordinate is solved, thereby improving the overall vehicle energy efficiency and extending the driving range.
Patent Information
- Application Number
- CN202520373900.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The independent cooling and heating management systems of existing new energy mining trucks cannot effectively coordinate, resulting in large energy losses, reduced vehicle range, and impact on customer revenue.
The system employs a refrigerant loop system and a thermal management co-loop system. Through integrated design, it achieves coordinated management of refrigerant and heat, including the integration of the cab cooling circuit, the power battery cooling circuit, the cab heating circuit, and the power battery heating circuit. By utilizing the operating condition selection of solenoid valves and three-way valves, it achieves coordinated thermal management and cooling management.
It improves the thermal management efficiency of the whole vehicle, reduces the energy consumption of the whole vehicle, increases the vehicle's operating range, and achieves efficient cooling and rational utilization of heat for the engine, battery, electric drive, and electronic control.
Smart Images
Figure CN223686314U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mine car heat management technical field, specifically speaking, it is a big incremental range small electric quantity mine car integrated management system. BACKGROUND
[0002] At present, the new energy type mine car in the market adopts independent type multi-system cold and heat management system, and the cold and heat management system of battery, motor and electric control unit and air conditioning system cannot be effectively coordinated, which invisibly increases the energy loss of vehicle, reduces the cruising range of vehicle, and further reduces the income of customers. UTILITY MODEL CONTENTS
[0003] The utility model discloses a big incremental range small electric quantity mine car integrated management system, which is used to solve the technical problem that the independent type multi-system management system in the prior art cannot be effectively coordinated.
[0004] The utility model solves the above -mentioned problem through the following technical scheme:
[0005] A big incremental range small electric quantity mine car integrated management system, comprising: refrigerant loop system and heat management collaborative loop system, wherein:
[0006] The refrigerant loop system comprises: a cab refrigeration circuit formed by sequentially connecting a cooling module, an electric compressor, an HVAC, a thermal expansion valve and a first electromagnetic switch valve; a power battery refrigeration circuit formed by sequentially connecting the cooling module, the electric compressor, a plate exchange agent side and an electronic expansion valve, and connected with the power battery through a plate exchange liquid side, and the refrigerant and cooling liquid provided by the power battery refrigeration circuit realize cooling exchange through the plate exchange to realize cooling of the power battery;
[0007] The heat management collaborative loop system comprises: a cab warm air circuit formed by sequentially connecting an engine assembly, a water-water heat exchanger, an HVAC and a second electromagnetic switch, and connected with the power battery through the water-water heat exchanger to form a power battery warm air circuit, and the power battery is preheated or heated.
[0008] As a further improvement, the refrigerant loop system further comprises: a power battery cooling circuit formed by sequentially connecting the plate exchange liquid side, a fifth water pump, the power battery, a water filter, a first electronic expansion valve and the first electronic expansion valve.
[0009] As a further improvement, the fifth water pump is provided with a third expansion water kettle away from the power battery side.
[0010] As a further improvement, the heat management collaborative loop system further comprises: a power battery warm air circuit formed by sequentially connecting the water-water heat exchanger, the first electronic expansion valve, the water filter, the power battery and the fifth water pump.
[0011] As a further improvement thereof, the engine assembly comprises an engine and a fourth water pump, and the engine is arranged close to one side of the water-water heat exchanger.
[0012] As a further improvement thereof, the HVAC comprises: a blower, an evaporator and a heating core, connected by the evaporator to form a cab refrigeration circuit, and connected by the heating core to form a cab heating circuit.
[0013] As a further improvement thereof, the integrated management system further comprises: a cooling liquid loop system;
[0014] The cooling liquid loop system comprises: a first cooling circuit composed of a parallel water circuit of a generator and a range extender controller, a first water pump and a cooling module in series; a first cooling branch formed by a first electric drive, a two-in-one controller and a second water pump connected in sequence; a second cooling branch formed by a second electric drive, a five-in-one controller and a third water pump connected in sequence, and the first cooling branch and the second cooling branch are connected in parallel and then connected with the cooling module to form a second cooling circuit; and a third cooling circuit composed of a first electronic expansion valve, a second electronic expansion valve, the cooling module, a fifth water pump, a power battery and a water filter connected in sequence.
[0015] As a further improvement thereof, the cooling module comprises: an integrated condenser, a first radiator, a second radiator, a third radiator and a cooling fan, and the condenser, the first radiator, the second radiator and the third radiator share one cooling fan.
[0016] As a further improvement thereof, the first cooling circuit is formed by connecting the first radiator; the second cooling circuit is formed by connecting the second radiator; the third cooling circuit is formed by connecting the third radiator; and the cab refrigeration circuit and the power battery refrigeration circuit are formed by connecting the condenser.
[0017] As a further improvement thereof, a first expansion water tank is arranged between the first water pump and the first radiator; and / or a second expansion water tank is arranged between the first cooling branch and the second cooling branch connected in parallel and the second radiator.
[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0019] (1) The heat management collaborative loop system can select to close or connect different electromagnetic valves and corresponding three-way valve connection ports according to working conditions to connect the cab heating circuit or the power battery refrigeration circuit, realize cab heating, battery heating and waste heat recovery, improve the efficiency of whole vehicle heat management, reduce the energy consumption of the whole vehicle and improve the operating mileage of the vehicle.
[0020] (2) The refrigerant loop system can be connected with different radiators according to working conditions to connect corresponding cooling circuits, and the refrigerant loop system can be selected to be closed or connected with different electromagnetic valves to realize opening and closing of the cab refrigeration circuit or the power battery refrigeration circuit, so that the purpose of refrigeration management cooperation is achieved, and cooling of the engine, the battery, the electric drive and the electric control is realized.
[0021] (3) The integrated management system is designed to be energy-saving, high in efficiency and convenient to arrange. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is a connection schematic diagram of the integrated management system of the large-increment-prolonged small-electricity mine truck of the utility model;
[0023] Figure 2 is a local schematic diagram of the cooling module of the utility model;
[0024] Figure 3 is a local schematic diagram of the HVAC of the utility model;
[0025] Figure 4 is a connection schematic diagram of the first cooling circuit of the utility model;
[0026] Figure 5 is a connection schematic diagram of the second cooling circuit of the utility model;
[0027] Figure 6 is a connection schematic diagram of the third cooling circuit of the utility model;
[0028] Figure 7 is a cooperation schematic diagram of the cab refrigeration circuit and the power battery refrigeration circuit of the utility model;
[0029] Figure 8 is a cooperation schematic diagram of the cab heating circuit and the power battery heating circuit of the utility model.
[0030] REFERENCE SIGNS:
[0031] 1. Generator; 2. Range extender controller; 3. First water pump; 4. First electric drive; 5. Two-in-one controller; 6. Second water pump; 7. Second electric drive; 8. Five-in-one controller; 9. Third water pump; 10. Electric compressor; 11. Cooling module; 11-1. Condenser; 11-2. First radiator; 11-3. Second radiator; 11-4. Third radiator; 11-5. Cooling fan; 12. Engine assembly; 12-1. Engine; 12-2. Fourth water pump; 13. HVAC; 13-1. Blower; 13-2. Evaporator; 13-3. Heater core; 14. Thermal expansion valve; 15. First solenoid switch valve; 16. Water-to-water heat exchanger; 17. Second solenoid switch; 18. First electronic expansion valve; 19. Water filter; 20. Power battery; 21. Fifth water pump; 22. Second electronic expansion valve; 23. Plate heat exchanger; 24. Electronic expansion valve; 101. First expansion tank; 102. Second expansion tank; 103. Third expansion tank. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] Example
[0034] Combined with appendix Figures 1-8 As shown, an integrated management system for a mining truck with a long range and low battery capacity includes: a refrigerant loop system and a thermal management collaborative loop system.
[0035] The refrigerant loop system includes: a cab refrigeration loop formed by sequentially connecting a cooling module 11, an electric compressor 10, an HVAC unit 13, a thermal expansion valve 14, and a first electromagnetic switch valve 15; and a power battery refrigeration loop formed by sequentially connecting a cooling module 11, an electric compressor 10, a heat exchanger 23 (refrigerant side), and an electronic expansion valve 24, and connected to the power battery via the heat exchanger 23 (liquid side). The refrigerant and coolant provided by the power battery refrigeration loop achieve heat exchange to cool the power battery through the heat exchanger.
[0036] The thermal management coordinated loop system includes: a cab heating circuit formed by sequentially connecting the engine assembly 12, water-to-water heat exchanger 16, HVAC 13, and second electromagnetic switch 17, and is connected to the power battery through the water-to-water heat exchanger 16 to form a power battery heating circuit to preheat or heat the power battery.
[0037] HVAC is an abbreviation for Heating, Ventilation and Air Conditioning.
[0038] In this embodiment, the engine assembly 12 includes an engine 12-1 and a fourth water pump 12-2, and the engine is located on the side close to the water-to-water heat exchanger 16.
[0039] Furthermore, the refrigerant loop system also includes a power battery cooling circuit formed by sequentially connecting the liquid side of the plate heat exchanger 23, the fifth water pump 21, the power battery 20, the water filter 19, the first electronic expansion valve 18, and the second electronic expansion valve 22. When the power battery cooling circuit is connected, port a of the first electronic expansion valve 18 is closed, while ports b and c are connected; port c of the second electronic expansion valve 22 is closed, while ports a and b are connected. The refrigerant and coolant achieve heat exchange through the plate heat exchanger to cool the power battery.
[0040] The thermal management coordinated loop system also includes a power battery heating circuit formed by sequentially connecting the first electronic expansion valve 18, water filter 19, power battery 20, fifth water pump 21, and water-to-water heat exchanger 16, which preheats or heats the power battery to achieve the purpose of rational utilization of engine heat.
[0041] like Figure 2 The diagram shows a partial schematic of the cooling module 11, which includes a condenser 11-1, a first radiator 11-2, a second radiator 11-3, a third radiator 11-4, and a cooling fan 11-5. Preferably, the condenser 11-1, the first radiator 11-2, the second radiator 11-3, and the third radiator 11-4 share a single cooling fan 11-5, which is an integrated design that facilitates layout and saves material costs.
[0042] like Figure 3 The diagram shows a partial schematic of the HVAC system. The HVAC system 13 includes a blower 13-1, an evaporator 13-2, and a heater core 13-3. The blower 13-2 is connected to form a cab cooling circuit, and the heater core 13-3 is connected to form a cab heating circuit.
[0043] like Figure 4 The diagram shown illustrates the cooling system for the generator and range extender controller. The integrated management system also includes a coolant loop system.
[0044] The coolant loop system includes: a first cooling loop consisting of a parallel water circuit of generator 1 and range extender controller 2, a first water pump 3, and a cooling module 11 connected in series; a second cooling loop consisting of a first electric drive 4, a two-in-one controller 5, and a second water pump 6 connected in series to form a first cooling branch, a second electric drive 7, a five-in-one controller 8, and a third water pump 9 connected in series to form a second cooling branch, and the first and second cooling branches connected in parallel and then connected in series with the cooling module 11; and a third cooling loop consisting of a first electronic expansion valve 18, a second electronic expansion valve 22, a cooling module 11, a fifth water pump 21, a power battery 20, and a water filter 19 connected in sequence; in addition, the engine cooling system is separate and not included in the integrated management system, and will not be described further here.
[0045] The first radiator 11-2 is connected to form a first cooling circuit; the second radiator 11-3 is connected to form a second cooling circuit; the third radiator 11-4 is connected to form a third cooling circuit; and the condenser 11-1 is connected to form a cab cooling circuit and a power battery cooling circuit.
[0046] Preferably, a first expansion tank 101 is provided between the first water pump 3 and the first radiator 11-2.
[0047] like Figure 5 The diagram shows the cooling system for the electric drive and the multi-function controller. The first cooling branch consists of the first electric drive 4, the multi-function controller 5, and the second water pump 6 connected in series. The second cooling branch consists of the second electric drive 7, the five-function controller 8, and the third water pump 9 connected in series. The first and second cooling branches are connected in parallel and then connected in series with the second radiator 11-3 in the cooling module 11, forming the cooling circuit for the electric drive and the multi-function controller. A shared cooling fan 11-5 is installed next to the second radiator 11-3.
[0048] Preferably, after the first cooling branch and the second cooling branch are connected in parallel, a second expansion tank 102 is provided between the main circuit after parallel connection and the second radiator 11-3.
[0049] like Figure 6 The diagram shows a partial schematic of the power battery fluid and air cooling system. The thermal management collaborative loop system also includes: a battery cooling circuit consisting of a first electronic expansion valve 18, a second electronic expansion valve 22, a third radiator 11-4 in the cooling module 11, a fifth water pump 21, a power battery 20, and a water filter 19; a shared cooling fan 11-5 is installed next to the third radiator 11-4.
[0050] At this time, when the battery heat dissipation cooling circuit is connected, port a of the first electronic expansion valve 18 is closed, while ports b and c are connected. Port b of the second electronic expansion valve 22 is closed, while ports a and c are connected.
[0051] As preferred, the third expansion water tank 103 is arranged between the fifth water pump 21 and the third radiator 11-4, i.e. on the side of the fifth water pump 21 away from the power battery 20.
[0052] In addition, the engine cooling system is independent and not in the integrated management system, which will not be repeated here.
[0053] As shown in Figure 7 , a schematic diagram of the cab refrigeration and power battery refrigeration is shown.
[0054] When the cab needs to be refrigerated, the cab refrigeration circuit composed of the condenser 11-1 in the cooling module 11, the electric compressor 10, the HVAC 13, the thermal expansion valve 14, and the first electromagnetic switch valve 15 is connected.
[0055] When the power battery needs to be refrigerated and cooled, the power battery refrigeration circuit is formed in series by the condenser 11-1 in the cooling module 11, the electric compressor 10, the plate exchanger 23 side, and the electronic expansion valve 24. The power battery cooling circuit is composed of the plate exchanger 23 liquid side, the fifth water pump 21, the power battery 20, the water filter 19, the first electronic expansion valve 18, and the second electronic expansion valve 22 in series. At this time, the a port of the first electronic expansion valve 18 is closed, and the b port and the c port are connected, and the size of the b port and the c port can be adjusted according to the demand; the c port of the second electronic expansion valve 22 is closed, and the a port and the b port are connected, and the size of the a port and the b port can be adjusted according to the demand. The refrigerant and the cooling liquid are cooled by the plate exchanger to achieve the purpose of rapid cooling of the power battery. Figure 6 Compared with the power battery liquid & air cooling shown in
[0056] When the cab refrigeration and the power battery refrigeration are required at the same time, the above-mentioned cab refrigeration circuit and the power battery refrigeration circuit can be connected at the same time and work at the same time.
[0057] As shown in Figure 8 , a schematic diagram of the cab heating and power battery heating is shown.
[0058] When the cab needs to be heated, the cab heating circuit composed of the engine 12-1, the fourth water pump 12-2, the water-water heat exchanger 16, the HVAC 13, and the second electromagnetic switch 17 is connected.
[0059] When the power battery needs to be preheated or heated, the power battery heating circuit composed of the first electronic expansion valve 18, the water filter 19, the power battery 20, the fifth water pump 21, and the water-water heat exchanger 16 in series can also be used. At this time, the b port of the first electronic expansion valve 18 is closed, and the a port and the c port are connected, and the size of the a port and the c port can be adjusted according to the demand, so as to achieve the purpose of reasonable utilization of engine heat.
[0060] When the cab heating and the power battery heating are simultaneously required, the cab heating circuit and the power battery heating circuit can be simultaneously communicated and operated.
[0061] Although the present application has been described with reference to the explanatory embodiments thereof, the above embodiments are merely preferred embodiments of the present application, and the present application is not limited to the above embodiments, and it should be understood that those skilled in the art can design many other modifications and embodiments, and these modifications and embodiments will fall within the scope and spirit of the principles disclosed in the present application.
Claims
1. A large boost small power mine car integrated management system, characterized in that, The integrated management system comprises a refrigerant loop system and a thermal management collaborative loop system, wherein: The refrigerant loop system comprises a cab refrigeration circuit formed by a cooling module, an electric compressor, an HVAC, a thermal expansion valve and a first electromagnetic switch valve connected in sequence; a power battery refrigeration circuit formed by the cooling module, the electric compressor, a plate heat exchanger agent side and an electronic expansion valve connected in sequence, and connected with the power battery through the plate heat exchanger liquid side, and the refrigerant and the cooling liquid provided by the power battery refrigeration circuit are used for cold exchange through the plate heat exchanger to cool the power battery; The thermal management collaborative loop system comprises a cab heating circuit formed by an engine assembly, a water-water heat exchanger, an HVAC and a second electromagnetic switch connected in sequence, and connected with the power battery through the water-water heat exchanger to form a power battery heating circuit, and the power battery is preheated or heated. The refrigerant loop system further comprises a power battery cooling circuit formed by the plate heat exchanger liquid side, a fifth water pump, the power battery, a water filter, a first electronic expansion valve and a first electronic expansion valve connected in sequence.
2. The integrated management system of a mine truck with large range and small power according to claim 1, characterized in that, The fifth water pump is provided with a third expansion water kettle away from the power battery side.
3. The integrated management system of a mine truck with large range and small power according to claim 2, characterized in that, The thermal management collaborative loop system further comprises a power battery heating circuit formed by the water-water heat exchanger, a first electronic expansion valve, a water filter, the power battery and the fifth water pump connected in sequence.
4. The integrated management system of a mine truck with large range and small power consumption according to claim 1, characterized in that, The engine assembly comprises an engine and a fourth water pump, and the engine is arranged on the side close to the water-water heat exchanger.
5. The integrated management system of a mine truck with large range and small power consumption according to claim 1, characterized in that, The HVAC comprises a blower, an evaporator and a heating core, and the evaporator is connected to form the cab refrigeration circuit, and the heating core is connected to form the cab heating circuit.
6. The integrated management system of a mine truck with large range and small power consumption according to claim 1, characterized in that, The integrated management system further comprises a cooling liquid loop system.
7. The integrated management system of a mine truck with large boost distance and small power consumption according to any one of claims 1-6, characterized in that, The cooling liquid loop system comprises a first cooling circuit formed by a parallel water circuit of a generator and a range extender controller, a first water pump and a cooling module connected in series; a first cooling branch formed by a first electric drive, a two-in-one controller and a second water pump connected in sequence; a second cooling branch formed by a second electric drive, a five-in-one controller and a third water pump connected in sequence, and the first cooling branch and the second cooling branch are connected in parallel and then connected with the cooling module to form a second cooling circuit; and a third cooling circuit formed by a first electronic expansion valve, a second electronic expansion valve, the cooling module, the fifth water pump, the power battery and a water filter connected in sequence. The cooling module comprises an integrated condenser, a first radiator, a second radiator, a third radiator and a heat dissipation fan, and the condenser, the first radiator, the second radiator and the third radiator share one heat dissipation fan.
8. The integrated management system of a mine truck with large range and small power according to claim 7, characterized in that, The first radiator is connected to form the first cooling circuit; the second radiator is connected to form the second cooling circuit; the third radiator is connected to form the third cooling circuit; and the condenser is connected to form the cab refrigeration circuit and the power battery refrigeration circuit.
9. The integrated management system of a mine truck with large range and small power consumption according to claim 8, characterized in that, A first expansion water kettle is arranged between the first water pump and the first radiator; and / or a second expansion water kettle is arranged between the first cooling branch and the second cooling branch connected in parallel and the second radiator.
10. The integrated management system of a mine truck with large range and small power consumption according to claim 9, characterized in that,