CN216636080U - Pure electric unmanned mining vehicle and thermal management system thereof - Google Patents
Pure electric unmanned mining vehicle and thermal management system thereof Download PDFInfo
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- CN216636080U CN216636080U CN202123083607.5U CN202123083607U CN216636080U CN 216636080 U CN216636080 U CN 216636080U CN 202123083607 U CN202123083607 U CN 202123083607U CN 216636080 U CN216636080 U CN 216636080U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model relates to a pure electric unmanned mining vehicle and a thermal management system thereof, wherein the thermal management system comprises an air conditioning system, a plate heat exchanger, a circulating water pump and a refrigeration pipeline, the air conditioning system comprises a compressor, a condenser and an expansion valve which are arranged in series, the plate heat exchanger comprises a cold inlet, a cold outlet, a hot inlet and a hot outlet, the cold outlet is connected to the cold inlet through the compressor and the condenser, the refrigeration pipeline comprises a first cooling branch arranged on a battery box and a second cooling branch arranged on an industrial personal computer, the first cooling branch is connected with the second cooling branch in parallel, water inlets of the first cooling branch and the second cooling branch are connected to the hot outlet through the circulating water pump, water outlets of the first cooling branch and the second cooling branch are connected to the hot inlet, and a heat dissipation water tank is arranged on a pipeline between the water outlet and the hot inlet in parallel. The thermal management system based on the utility model can solve the problem of larger energy consumption of the existing double-branch thermal management system.
Description
Technical Field
The utility model belongs to the technical field of thermal management of an industrial personal computer and a battery of an unmanned mining vehicle, and particularly relates to a pure electric unmanned mining vehicle and a thermal management system thereof.
Background
The pure electric mining vehicle belongs to a new energy vehicle in recent years, an engine part is replaced by a battery to drive by combining a traditional mining vehicle product on the basis of the pure electric vehicle, and a battery unit needs to be cooled because a certain temperature range is required in the working process of the battery. For a pure electric unmanned mining vehicle, not only a battery unit needs to be cooled, but also an industrial personal computer needs to be cooled, but also a cab does not need to be cooled, because the mining vehicle is unmanned, a large amount of data acquisition is required, the industrial personal computer needs to perform processing operation on acquired data, and the industrial personal computer generates heat in the process of performing data processing operation.
The air conditioning system for cooling the industrial personal computer in the prior art can be called as the air conditioning system of the industrial personal computer, and for the air conditioning system of the industrial personal computer, the pure electric mining vehicle is different from the traditional mining vehicle in a compressor driving mode. The battery unit is cooled by heat dissipation, which is called a battery thermal management system, and the battery thermal management system is generally performed in a liquid cooling manner to improve the temperature uniformity inside the battery, and a refrigeration cycle, i.e., a compressor 1, a condenser 5, an expansion valve 10, an evaporator, and the like, is required in the working process. The cooling principle of the existing battery set is as follows as shown in fig. 1: high-temperature and high-pressure refrigerant gas from the compressor 1 is cooled by the condenser 5, throttled by the thermostatic expansion valve 10 and enters the plate heat exchanger 11, low-temperature refrigerant exchanges heat with battery cold plate cooling liquid in the plate heat exchanger 11, and then the refrigerant gas returns to the compressor 1 through the gas-liquid separator 13. The low-temperature coolant subjected to heat exchange in the plate heat exchanger 11 is sent to the cold plate of the battery through the circulating water pump 17 to exchange heat with the battery.
In the prior art, two sets of system independent working modes are adopted for cooling the battery unit and the industrial personal computer, the independent two sets of cooling systems have large requirements on the installation space of the whole vehicle, the arrangement of a wire harness and a pipeline is complex, and the energy consumption of the two sets of cooling systems is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pure electric unmanned mining vehicle and a thermal management system thereof, which are used for solving the problem that the existing double-branch thermal management system in the prior art is large in overall energy consumption.
In order to solve the technical problems, the utility model provides a thermal management system of a pure electric unmanned mining vehicle, which comprises an air conditioning system, a plate heat exchanger, a circulating water pump and a refrigeration pipeline, wherein the air conditioning system comprises a compressor, a condenser and an expansion valve which are arranged in series, the plate heat exchanger comprises a cold inlet, a cold outlet, a hot inlet and a hot outlet, the cold outlet is connected to the cold inlet through the compressor, the condenser and the expansion valve, and the thermal management system further comprises: the cooling pipeline is including being used for setting up the first cooling branch road on the battery box and being used for setting up the second cooling branch road on the industrial computer, first cooling branch road with second cooling branch road is parallelly connected, first cooling branch road with the water inlet warp of second cooling branch road circulating water pump is connected to the heat export, first cooling branch road with the delivery port of second cooling branch road is connected to the heat import, first cooling branch road with the delivery port of second cooling branch road with parallelly connected heat radiator tank that is provided with on the pipeline between the heat import.
The beneficial effects of the above technical scheme are: the refrigeration pipeline of the heat management system comprises a first cooling branch for refrigerating the battery box and a second cooling branch for refrigerating the industrial personal computer, and a heat radiation water tank is arranged on a pipeline between a water outlet and a heat inlet of the first cooling branch and the second cooling branch in parallel.
Furthermore, in order to facilitate control of the flow direction of cooling liquid at the water outlet of the cooling branch, the utility model provides a thermal management system of a pure electric unmanned mining vehicle, which further comprises a three-way valve arranged at the water outlets of the first cooling branch and the second cooling branch, wherein the three-way valve comprises an inlet and two outlets, the inlet is used for being connected with the water outlet, one outlet is used for being connected with the hot inlet, and the other outlet is connected with the hot inlet through the heat dissipation water tank.
Further, in order to ensure the stability of the temperature and the humidity of the working space of the industrial personal computer and meet the requirements of constant temperature and constant humidity, the utility model provides the thermal management system of the pure electric unmanned mining vehicle, which further comprises a temperature sensor and a humidity sensor for detecting the environment temperature and the humidity at the industrial personal computer.
Further, in order to facilitate the realization of independent adjustment of each cooling branch, the utility model provides a thermal management system of a pure electric unmanned mining vehicle, which further comprises a switch valve arranged at a water inlet of at least one branch of the first cooling branch and the second cooling branch.
Further, in order to better meet the cooling requirement, the utility model provides a thermal management system of a pure electric unmanned mining vehicle, which further comprises at least two circulating water pumps.
Further, in order to better perform cooling control, the utility model provides a thermal management system of a pure electric unmanned mining vehicle, which further comprises a water outlet temperature sensor arranged at a heat outlet, and a return water temperature sensor arranged at a heat inlet.
Further, in order to meet the heating requirement of the industrial personal computer, the utility model provides a thermal management system of the pure electric unmanned mining vehicle, which further comprises a PTC heater arranged on the second cooling branch.
Further, in order to better meet the requirement of thermal management, the utility model provides a thermal management system of a pure electric unmanned mining vehicle.
Further, in order to timely supplement cooling liquid in each cooling branch and discharge gas in the cooling branch, the utility model provides the thermal management system of the pure electric unmanned mining vehicle, which further comprises an expansion water tank, wherein the expansion water tank comprises a water outlet and an air inlet arranged at the top of the box body, the water outlet is connected with a water inlet of the circulating water pump, and the air inlet is connected with an air overflow port on the first cooling branch pipeline.
The utility model also provides a pure electric unmanned mining vehicle which comprises a vehicle body, an industrial personal computer, a battery box and a motor, and the mining vehicle also comprises a thermal management system of the pure electric unmanned mining vehicle.
Drawings
FIG. 1 is a block diagram of a prior art battery cooling pack;
1 is a compressor, 5 is a condenser, 10 is an expansion valve, 11 is a plate heat exchanger, 13 is a gas-liquid separator, 17 is a first circulating water pump, and 19 is an expansion water tank;
FIG. 2 is a block diagram of a thermal management system for a purely electric unmanned mining vehicle of the present invention;
the system comprises a compressor 1, an exhaust temperature sensor 2, a high-pressure switch 3, a high-pressure sensor 4, a condenser 5, a condensing fan 6, a motor radiator 7, a high-pressure filling valve 8, a drying filter 9, an expansion valve 10, a plate heat exchanger 11, a low-pressure filling valve 12, a gas-liquid separator 13, an air return temperature sensor 14, a low-pressure switch 15, an effluent temperature sensor 16, a first circulating water pump 17, a second circulating water pump 18, an expansion water tank 19, an air overflow pipe 20, a fan 21, a PTC heater 22, a check valve 23, a return water temperature sensor 24, a first three-way valve 25, a second three-way valve 26, a heat dissipation water tank 27 and a release valve 28.
Detailed Description
The basic concept of the utility model is as follows: the refrigeration pipeline of the thermal management system comprises a first cooling branch for refrigerating the battery box and a second cooling branch for refrigerating the industrial personal computer, and a heat radiation water tank is arranged on the pipeline between the water outlets and the heat inlet of the first cooling branch and the second cooling branch in parallel. Therefore, the cooling liquid at the water outlet can be naturally cooled by the cooling water tank, so that the temperature of the cooling liquid at the heat inlet is reduced to a certain extent, and the energy consumption of the air conditioning system can be reduced.
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the thermal management system of the pure electric unmanned mining vehicle comprises the following steps:
FIG. 2 is a block diagram of a thermal management system for a purely electric unmanned mining vehicle of the present invention.
In the present embodiment, as shown in fig. 2, the thermal management system includes an air conditioning system, a plate heat exchanger 11, a circulating water pump, and a refrigeration line. The plate heat exchanger includes a cold inlet, a cold outlet, a hot inlet, and a hot outlet. The two ends of the air conditioning system are respectively connected with the cold inlet and the cold outlet of the plate heat exchanger 11, the circulating water pump is connected with the hot outlet, and the refrigeration pipeline is connected with the hot inlet.
In this embodiment, the air conditioning system is used to provide low temperature, low pressure liquid. Specifically, as shown in fig. 2, the air conditioning system includes a compressor 1, a condenser 5, and an expansion valve 10, which are arranged in series. An air inlet of the compressor 1 is connected with a cold outlet of the plate heat exchanger 11, an air outlet of the compressor 1 is connected with an inlet of the condenser 5, an outlet of the condenser 5 is connected with an inlet of the expansion valve 10, and an outlet of the expansion valve 10 is connected with a cold inlet. The compressor 1 is used for outputting high-pressure refrigerant gas, the high-pressure refrigerant gas enters the condenser 5, the condenser 5 cools the high-pressure refrigerant gas to output medium-temperature high-pressure refrigerant liquid, the medium-temperature high-pressure refrigerant liquid enters the expansion valve 10 and is throttled to form low-temperature low-pressure refrigerant liquid (namely refrigerant liquid), and the low-temperature low-pressure refrigerant liquid enters the plate heat exchanger 11 to exchange heat and then is output from a cold outlet of the plate heat exchanger 11.
In the present embodiment, the expansion valve 10 may be a thermal expansion valve, an electronic expansion valve, or a capillary tube.
In the present embodiment, in order to better reduce the energy consumption of the air conditioning system, the compressor 1 is selected to be an inverter compressor. The rotating speed of the compressor 1 is regulated by the air conditioning system requirement (namely, the heat management requirement) of the industrial personal computer and the battery side heat management requirement together, and is synchronously controlled by combining the high-pressure sensor 4 at the inlet of the condenser 5.
In the present embodiment, in order to obtain the temperature of the refrigerant gas processed by the compressor 1, as shown in fig. 2, an exhaust temperature sensor 2 is provided on a pipeline between the compressor 1 and the condenser 5.
In the present embodiment, as shown in fig. 2, a high-pressure switch 3 is further disposed on the pipeline between the compressor 1 and the condenser 5, and a low-pressure switch 15 is disposed at the air inlet of the compressor 1.
In this embodiment, in order to avoid the over-temperature of the condenser 5 during operation, the air conditioning system further includes a condensing fan 6 and a motor radiator 7, as shown in fig. 2. The condensing fan 6 and the motor radiator 7 are used for radiating heat of the condenser 5.
In the present embodiment, in order to remove moisture in the refrigerant liquid, as shown in fig. 2, a dry filter 9 is further provided on a pipe between the condenser 5 and the inlet of the expansion valve 10.
In the present embodiment, as shown in fig. 2, a high-pressure filling valve 8 is further provided in the line between the condenser 5 and the dry filter 9. A low-pressure filling valve 12 is also provided at the air inlet of the compressor 1.
In this embodiment, in order to prevent the refrigerant gas outputted from the cold outlet from being mixed with liquid and entering the compressor, as shown in fig. 2, a gas-liquid separator 13 is further disposed on the pipeline between the low-pressure charging valve 12 and the compressor 1.
In the present embodiment, the air conditioning system has a dehumidification mode. In order to satisfy the constant temperature and humidity demand, thermal management system still includes the humidity transducer who is used for detecting industrial computer department environment (i.e. industrial computer workspace) humidity and is used for detecting the temperature sensor this embodiment of industrial computer department ambient temperature (i.e. return air temperature), and the humidity range is 40% -60%, and when humidity was greater than 60%, air conditioning system can get into the dehumidification mode, realizes the dehumidification through promoting 1 rotational speed of compressor. When the dehumidification mode is firstly entered, if the return air temperature is less than 10 ℃, the heating mode is firstly started, if the return air temperature is more than 15 ℃, the heating mode is exited, the dehumidification mode is entered, and then if the return air temperature is less than 10 ℃, the heating mode can be started, namely, the heating and the dehumidification can be simultaneously started; and when the humidity is less than 40%, the dehumidification mode is exited.
In the present embodiment, the plate heat exchanger 11 comprises a cold inlet, a cold outlet, a hot inlet and a hot outlet. The cold inlet is used for receiving refrigerant liquid, the cold outlet is used for outputting refrigerant gas, and the hot inlet and the hot outlet are used for passing through cooling liquid. The refrigerant gas in this embodiment is a refrigerant gas, the coolant is, for example, an antifreeze solution containing ethylene glycol, and the refrigerant liquid and the coolant exchange heat in the plate heat exchanger.
In the present embodiment, for better cooling control, the hot outlet is provided with an outlet water temperature sensor 16 for detecting the temperature of the coolant at the hot outlet, and the hot inlet is provided with a return water temperature sensor 24 for detecting the temperature of the coolant at the hot inlet.
In the present embodiment, a return air temperature sensor 14 for detecting the temperature of the refrigerant gas at the compressor is further disposed on the pipeline between the cold outlet and the compressor 1.
In this embodiment, a circulating water pump is used to send the coolant in the hot outlet of the plate heat exchanger 11 to the refrigeration circuit. The water inlet of the circulating water pump is connected with the heat outlet of the plate heat exchanger 11, and the water outlet of the circulating water pump is connected with the refrigeration pipeline. To better meet the cooling demand, two circulating water pumps are provided as shown in fig. 2. The first circulation water pump 17 and the second circulation water pump 18 are arranged in parallel. The water inlets of the first circulating water pump 17 and the second circulating water pump 18 are connected with the hot outlet of the plate heat exchanger 11. The water outlets of the first circulating water pump 17 and the second circulating water pump 18 are both connected with a refrigeration pipeline.
In this embodiment, the refrigeration pipeline includes the first cooling branch road that is used for setting up on the battery box and is used for setting up the second cooling branch road on the industrial computer. The first cooling branch is connected with the second cooling branch in parallel. The first cooling branch and the second cooling branch share a circulating water pump.
In this embodiment, the water inlet of the first cooling branch is connected with the water outlet of the circulating water pump. The water outlet of the first cooling branch is connected with the hot inlet. In order to facilitate the realization to the independent adjustment of first cooling branch road, the water inlet department of first cooling branch road is provided with the ooff valve. When the switch valve is conducted, thermal management of the battery box is achieved. If the switch valve is switched on when the battery box has no refrigeration requirement, the cooling liquid can also pass through the first cooling branch after the water pump works so as to pre-cool the electric heat and reduce the running temperature of the battery.
In this embodiment, in order to better refrigerate the battery box, a plurality of cold plates are arranged on the first cooling branch. At the cold plate, the coolant exchanges heat with the battery box to enable thermal management of the battery box.
In this embodiment, the water inlet of the second cooling branch is connected to the water outlet of the circulating water pump. The water outlet of the second cooling branch is connected with the hot inlet. In order to facilitate the realization of the independent adjustment of the second cooling branch, a switch valve is arranged at the water inlet of the second cooling branch. When the switch valve is switched on, the thermal management of the industrial personal computer is realized.
In the embodiment, in order to better satisfy the thermal management, the thermal management system further comprises a fan coil for reducing the temperature of the industrial personal computer and a fan 21 arranged on the fan coil. At fan coil department, the coolant liquid carries out heat exchange with the industrial computer to in time take out the heat that the industrial computer produced, make industrial computer operating temperature be unlikely to too high.
In this embodiment, in order to guarantee industrial computer space temperature's homogeneity, industrial computer refrigeration plant adopts the design of big amount of wind little enthalpy difference.
In this embodiment, in order to meet the heating requirement of the industrial personal computer, the thermal management system further comprises a PTC heater 22 arranged on the second cooling branch. For example, the PTC heater 22 is installed on a fan coil of an industrial personal computer, and when there is a heating demand, a defrosting demand or a defogging in a transition season in winter, the PTC heater 22 can be turned on to meet the corresponding demand.
In this embodiment, in order to better realize the dehumidification demand, the second cooling branch still includes the temperature sensor who is used for detecting return air temperature. In this embodiment, in order to prevent the water in the pipeline from flowing backwards, a check valve 23 is further disposed at the water outlet of the second cooling branch.
In this embodiment, in order to reduce the consumption of refrigeration resources in the air conditioning system and reduce the energy consumption of the air conditioning system, the heat dissipation water tanks 27 are connected in parallel to the pipelines between the water outlets and the heat inlets of the first cooling branch and the second cooling branch. The heat radiation water tank 27 naturally radiates the coolant output from the water outlets of the two cooling branches, and the heat radiation water tank 27 is connected in parallel to a pipeline between the water outlets and the hot inlet of the two cooling branches through two three-way valves (a first three-way valve 25 and a second three-way valve 26). The three-way valve comprises an inlet and two outlets, the inlet of the first three-way valve 25 is connected with the water outlets of the two cooling branches, one outlet of the first three-way valve 25 is connected with the inlet of the second three-way valve 26 through a pipeline, the other outlet of the first three-way valve 25 is connected with the water inlet of the radiating water tank 27, one outlet of the second three-way valve 26 is connected with the water outlet of the radiating water tank 27, and the other outlet of the second three-way valve 26 is connected with the hot inlet. The cooling liquid output from the water outlets of the two cooling branches enters different pipelines by controlling the on-off of the two outlets of the first three-way valve 25. The three-way valve is, for example, a three-way ball valve, and the radiator tank 27 is further provided with a purge valve 28.
In this embodiment, in order to replenish the coolant in each cooling branch in time when there is less coolant, the thermal management system further comprises an expansion tank 19. The expansion water tank 19 comprises a water outlet, an air inlet and an air outlet which are arranged at the top of the tank body. The water outlet is connected with the water inlet of the circulating water pump. The first cooling branch pipeline is provided with an air overflow port, and the air overflow port is connected with an air inlet of the expansion water tank 19 through an air overflow pipe 20. Therefore, the gas in the pipeline is discharged through the gas outlet of the expansion water tank 19, the gas in the gas overflow port is not directly discharged to the outside, and the situation that the gas in the gas overflow port carries the coolant to cause liquid splashing is avoided.
The refrigeration process of the thermal management system of the embodiment is as follows:
high-temperature and high-pressure refrigerant gas (namely refrigerant gas) coming out of the compressor is cooled by a condenser (forced heat dissipation to the environment by a condensation heat dissipation fan) and throttled by an expansion valve to obtain low-temperature refrigerant liquid, the low-temperature refrigerant liquid enters a plate heat exchanger, the low-temperature refrigerant liquid exchanges heat with cooling liquid in two cooling branches of a battery cold plate and an industrial personal computer coil in the plate heat exchanger, the refrigerant gas is output from a cold outlet, and the refrigerant gas returns to the compressor through a gas-liquid separator. The low-temperature cooling liquid subjected to heat exchange in the plate exchange is respectively pumped to fan coils of the industrial personal computer in two ways through a circulating water pump, and is subjected to heat exchange with the industrial personal computer. And the other path of cooling liquid enters a battery cold plate to exchange heat with the battery. And then the two paths of cooling liquid are converged to the plate heat exchanger, and the thermal management of the battery box and the industrial personal computer is realized through the circulation process.
Based on the heat management system of the embodiment, the heat management system integration is realized based on the cooling function of the current battery cooling unit integrated industrial personal computer, namely, a mode of combining an air conditioning system of the industrial personal computer and a battery liquid cooling heat dissipation system is adopted, a compressor and a condenser are shared, and a refrigeration pipeline of the heat management system comprises a first cooling branch for refrigerating a battery box and a second cooling branch for refrigerating the industrial personal computer, so that the battery box and the industrial personal computer can be simultaneously refrigerated by utilizing the air conditioning system in the heat management system, the requirements of battery cooling and industrial personal computer cooling can be simultaneously met without setting two sets of cooling systems to refrigerate the battery box and the industrial personal computer separately, the refrigeration resources of the air conditioning system are fully utilized, the space occupied by the heat management system is saved, the arrangement of wire harnesses and pipelines in the heat management system is simplified, namely, on the premise of ensuring the stable work of each module, the occupied space of the system unit is reduced, the system cost is saved, the system has the advantages of light weight, simple pipeline arrangement and the like, the refrigeration requirements on the battery box and the industrial personal computer are realized under the condition of less energy consumption, in addition, the heat dissipation water tank is arranged on the pipeline between the water outlets and the heat inlet of the first cooling branch and the second cooling branch in parallel, under the condition, the cooling liquid at the water outlets can be naturally dissipated by utilizing the heat dissipation water tank, so that the temperature of the cooling liquid at the heat inlet is reduced to a certain extent, the energy consumption of the air conditioning system can be reduced, the consumption of refrigeration resources in the air conditioning system is reduced, in addition, when the environmental temperature is lower in winter, if the temperature of the battery unit and the control equipment is higher and needs to be refrigerated, the refrigeration effect can be realized without starting the air conditioning system through the heat dissipation water tank, the energy consumption is reduced, and the damage of the compressor caused by low-temperature starting of the compressor can also be avoided, the problem of the whole energy consumption of two branch road thermal management system among the prior art is great is solved. The thermal management system is applied to pure electric unmanned mining vehicles, and can be expanded to vehicles such as pure electric unmanned heavy trucks, light trucks, sanitation vehicles and engineering machinery vehicles with the same requirements for air conditioning products, battery thermal management and industrial personal computer thermal management.
In this embodiment, there are two three-way valves, the water inlet and the water outlet of the heat dissipation water tank are respectively connected with the water outlets and the hot inlets of the two cooling branches through the three-way valve, in other embodiments, a three-way valve is provided, the water inlet of the heat dissipation water tank is connected with the water outlets of the two cooling branches through the three-way valve, and the pipeline of the water outlet of the heat dissipation water tank is integrally formed with the pipeline at the hot inlet.
Pure electric unmanned mining vehicle embodiment:
the embodiment also provides a pure electric unmanned mining vehicle (simply referred to as a mining vehicle). The mining vehicle comprises a vehicle body, an industrial personal computer, a battery box, a motor and a thermal management system of the pure electric unmanned mining vehicle.
In this embodiment, the battery box provides the electric energy for industrial computer and motor, and the industrial computer combines the motor to be used for realizing the autopilot of vehicle. The thermal management system of the pure electric unmanned mining vehicle is used for achieving thermal management of the industrial personal computer and the battery box. The thermal management system of the pure electric unmanned mining vehicle is described in detail in the system embodiment, and is not described in detail here.
Pure electric unmanned mining vehicle based on this embodiment has realized the refrigeration demand to battery box and industrial computer under the less condition of energy consumption, has solved the great problem of the whole energy consumption of two branch road thermal management systems among the prior art.
Claims (10)
1. The utility model provides a thermal management system of electricelectric moves unmanned mining vehicle, thermal management system includes air conditioning system, plate heat exchanger, circulating water pump and refrigeration pipeline, air conditioning system includes compressor, condenser and the expansion valve of series arrangement, plate heat exchanger includes cold import, cold export, hot import and hot export, the cold export warp the compressor the condenser with the expansion valve is connected to the cold import, its characterized in that includes: the cooling pipeline is including being used for setting up the first cooling branch road on the battery box and being used for setting up the second cooling branch road on the industrial computer, first cooling branch road with second cooling branch road is parallelly connected, first cooling branch road with the water inlet warp of second cooling branch road circulating water pump is connected to the heat export, first cooling branch road with the delivery port of second cooling branch road is connected to the heat import, first cooling branch road with the delivery port of second cooling branch road with parallelly connected heat radiation water tank that is provided with on the pipeline between the heat import.
2. The thermal management system for a purely electric unmanned mining vehicle according to claim 1, wherein a three-way valve is arranged at the water outlets of the first cooling branch and the second cooling branch, the three-way valve comprises an inlet and two outlets, the inlet is used for connecting the water outlet, the outlet is used for connecting the hot inlet, and the other outlet is connected to the hot inlet through the radiator tank.
3. The thermal management system of the purely electric unmanned mining vehicle according to claim 1, further comprising a temperature sensor and a humidity sensor for detecting the temperature and humidity of the environment at the industrial personal computer.
4. The thermal management system of the all-electric unmanned mining vehicle of claim 1, wherein a switch valve is disposed at a water inlet of at least one of the first cooling branch and the second cooling branch.
5. The thermal management system for a purely electric unmanned mining vehicle according to claim 1, wherein there are at least two circulating water pumps.
6. The thermal management system for a purely electric unmanned mining vehicle according to claim 1, wherein a water outlet temperature sensor is provided at the heat outlet, and a water return temperature sensor is provided at the heat inlet.
7. The thermal management system for a purely electric unmanned mining vehicle of claim 1, further comprising a PTC heater for placement on the second cooling branch.
8. The thermal management system for a purely electric unmanned mining vehicle of claim 1, further comprising a fan coil for reducing the temperature of the industrial personal computer and a fan disposed on the fan coil.
9. The thermal management system for the electric-only unmanned mining vehicle as claimed in claim 1, further comprising an expansion tank, wherein the expansion tank comprises a water outlet and an air inlet arranged at the top of the tank body, the water outlet is connected with a water inlet of the circulating water pump, and the air inlet is connected with an air overflow port on the first cooling branch pipeline.
10. A pure electric unmanned mining vehicle comprising a vehicle body, an industrial personal computer, a battery box and an electric motor, characterized in that the mining vehicle further comprises a thermal management system of the pure electric unmanned mining vehicle according to any of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123083607.5U CN216636080U (en) | 2021-12-09 | 2021-12-09 | Pure electric unmanned mining vehicle and thermal management system thereof |
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| CN202123083607.5U CN216636080U (en) | 2021-12-09 | 2021-12-09 | Pure electric unmanned mining vehicle and thermal management system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031384A (en) * | 2022-06-15 | 2022-09-09 | 珠海格力电器股份有限公司 | Heat dissipation device, heat dissipation unit, heat dissipation control method and heat dissipation control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031384A (en) * | 2022-06-15 | 2022-09-09 | 珠海格力电器股份有限公司 | Heat dissipation device, heat dissipation unit, heat dissipation control method and heat dissipation control device |
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