CN111934056A - Automobile crane battery thermal management system and thermal management method thereof - Google Patents
Automobile crane battery thermal management system and thermal management method thereof Download PDFInfo
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- CN111934056A CN111934056A CN202010915553.5A CN202010915553A CN111934056A CN 111934056 A CN111934056 A CN 111934056A CN 202010915553 A CN202010915553 A CN 202010915553A CN 111934056 A CN111934056 A CN 111934056A
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- 238000007726 management method Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000007788 liquid Substances 0.000 claims abstract description 92
- 238000001816 cooling Methods 0.000 claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims description 33
- 238000004378 air conditioning Methods 0.000 claims description 16
- 238000007710 freezing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery heat management system of an automobile crane and a heat management method thereof. The PCT heater is arranged, so that the liquid cooling heat exchange fins in the battery pack can be heated in a water heating manner, and the battery pack can be heated; the battery pack refrigeration system is provided with the air conditioner heat exchange system, and can realize liquid cooling heat exchange with the liquid cooling heat exchange plates through the liquid cooling heat exchanger, so that the battery pack refrigeration is realized. The invention can maintain the battery pack in the use temperature range strictly by automatically regulating and controlling the working temperature of the battery pack, keep the activity of the battery and prolong the service life of the battery.
Description
Technical Field
The invention relates to the technical field of automobile cranes, in particular to an automobile crane battery thermal management system and a thermal management method thereof.
Background
The automobile crane batteries on the market are limited in capacity, life and safety and are only used for electrical systems with low power consumption, including electrical components such as working lamps, sensors, air conditioners and the like. The heat management system only focuses on heat dissipation of the battery, the heat dissipation mode is generally natural cooling or air cooling, and the battery heating depends on the internal resistance of the battery to generate heat.
With the popularization of new energy automobiles, cooling systems are basically consistent, cooling cycles of power electronic devices and battery packs of the new energy automobiles are independent loops, cooling of batteries is achieved through a Chiller refrigerator, and the batteries are heated through PTC. The principle is that when the temperature of the battery is higher than 35 ℃, the battery is cooled by a Chiller refrigerator; when the battery loop cooling liquid is lower than 10 ℃, the battery is heated by the PTC heater. The thermal management system has a relatively simple structure, is insufficient in energy utilization, and cannot well maintain the activity of the battery and prolong the service life of the battery.
Disclosure of Invention
The invention aims to provide a thermal management system and a thermal management method for a battery of an automobile crane, which can simultaneously realize the cooling and heating management of the battery pack of the automobile crane and prolong the service life of the battery.
The technical scheme of the invention is as follows:
a battery thermal management system of an automobile crane comprises an electronic control device, a liquid cooling heat exchange sheet arranged in a battery pack, a water inlet and a water outlet which are arranged on the battery pack and connected with the liquid cooling heat exchange sheet, a water inlet temperature sensor arranged at the water inlet, a water outlet temperature sensor arranged at the water outlet, a liquid cooling heat exchanger, a PTC heater and an air conditioning heat exchange system; the water inlet and the water outlet are both connected with the PTC heater, and the PTC heater heats the refrigerant in the liquid cooling heat exchanger; the second outlet of the liquid cooling heat exchanger is connected with the water inlet of the battery pack, the water outlet of the battery pack is connected with the first inlet of the liquid cooling heat exchanger through a first electronic water pump, the air conditioner heat exchange system comprises a compressor, a condenser and an evaporator which are connected in sequence, the outlet of the condenser is connected with the second inlet of the liquid cooling heat exchanger, the first outlet of the liquid cooling heat exchanger is connected with the inlet of the evaporator, the first inlet and the first outlet are communicated through a pipeline in the liquid cooling heat exchanger, and the second inlet and the second outlet are communicated through a pipeline in the liquid cooling heat exchanger; the inlet of the PTC heater is connected with the outlet of the evaporator through a second electronic water pump, and the outlet of the PTC heater is connected with the inlet of the evaporator; the refrigerant outlet of the liquid cooling heat exchanger is provided with an electromagnetic valve, and the water inlet temperature sensor, the water outlet temperature sensor, the electromagnetic valve, the starting control end of the air-conditioning heat exchange system, the PTC heater, the first electronic water pump and the second electronic water pump are all connected with the electronic control device.
And corresponding expansion water tanks are connected in parallel between the inlet and the outlet of the first electronic water pump and between the inlet and the outlet of the second electronic water pump, and are provided with exhaust valves and drain valves.
The liquid cooling heat exchanger is characterized in that a liquid outlet pressure sensor is connected between an outlet of the condenser and a second inlet of the liquid cooling heat exchanger, a liquid inlet pressure sensor is connected between a first outlet of the liquid cooling heat exchanger and an inlet of the evaporator, and the liquid outlet pressure sensor and the liquid inlet pressure sensor are both connected with an electronic control device.
And a refrigerant leakage sensor is arranged on a communication pipeline of the compressor, the condenser and the evaporator, and the refrigerant leakage sensor is connected with the electronic control device.
The first outlet of the liquid cooling heat exchanger is provided with an anti-freezing temperature sensor, and the anti-freezing temperature sensor is connected with the electronic control device.
A thermal management method of a battery thermal management system of an automobile crane specifically comprises the following management modes:
(1) heating the battery pack: the electronic control device acquires the temperature of the water inlet and the water outlet of the battery pack according to the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, when the temperature of the battery pack is lower than a set minimum temperature value, the electronic control device starts the PTC heater to work to heat a refrigerant in the liquid cooling heat exchange plates, the liquid cooling heat exchange plates heat the battery pack, and the liquid cooling heat exchange plates perform heat exchange circularly until the temperature of the battery pack is not lower than the set minimum temperature value;
(2) and battery pack refrigeration: the electronic control device acquires the temperature of a water inlet and a water outlet of the battery pack according to the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, when the temperature of the battery pack is higher than a set maximum temperature value, the electronic control device starts the air conditioner heat exchange system, simultaneously opens the first electronic water pump and the electromagnetic valve, the refrigerant in the liquid cooling heat exchange piece flows into the air conditioner heat exchange system through the liquid cooling heat exchanger to refrigerate the refrigerant, then the refrigerant flows into the liquid cooling heat exchange piece through the liquid cooling heat exchanger to cool the battery pack, and the liquid cooling heat exchange piece performs heat exchange circularly until the temperature of the battery pack;
(3) and air-conditioning refrigeration: when the electronic control device receives an air conditioner refrigerating instruction, the electronic control device starts an air conditioner heat exchange system, and the automobile crane control room is refrigerated and cooled through the air conditioner heat exchange system;
(4) and air conditioning and heating: when the electronic control device receives a heating instruction of the air conditioner, the electronic control device starts the PTC heater and the second electronic water pump, and the refrigerant in the evaporator enters the PTC heater to be heated and then enters the evaporator again to realize water heating;
(5) self-circulation: the electronic control device acquires the temperature of the water inlet and the water outlet of the battery pack according to the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, and when the temperature of the battery pack is not lower than a set lowest temperature value or higher than a set highest temperature value, the refrigerant in the liquid cooling heat exchange plate performs self-circulation flow between the pipeline of the PTC heater and the liquid cooling heat exchange plate.
The invention has the advantages that:
(1) the PCT heater is arranged, so that the liquid cooling heat exchange fins in the battery pack can be heated in a water heating manner, and the battery pack can be heated;
(2) the air-conditioning heat exchange system is provided with the air-conditioning heat exchange system, on one hand, the air-conditioning heat exchange system can perform liquid-cooling heat exchange with the liquid-cooling heat exchange plates through the liquid-cooling heat exchanger to realize refrigeration of the battery pack, and on the other hand, the air-conditioning heat exchange system can also realize refrigeration and cooling of the control room of the automobile crane;
(3) the air-conditioning heat exchange system adopts the water heating of the PCT heater to heat, so that the heating energy consumption of the air-conditioning heat exchange system is greatly reduced, and the heating effect is good;
(4) the temperature of the water inlet and the water outlet of the battery pack is acquired by the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, and the refrigeration and heating operation of the battery pack is automatically started according to the temperature of the battery pack, so that the battery pack is strictly maintained in a use temperature range, the activity of the battery is kept, and the service life of the battery is prolonged;
(5) the air conditioner heat exchange system provided by the invention starts refrigeration or heating according to the manual input instruction, and does not influence the heat management control of the battery pack.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a control schematic of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the battery heat management system for the automobile crane comprises an Electronic Control Unit (ECU) 1, a liquid cooling heat exchange fin 2 arranged in a battery pack, a water inlet 3 and a water outlet 4 which are arranged on the battery pack and connected with the liquid cooling heat exchange fin 2, a water inlet temperature sensor 5 arranged at the water inlet 3, a water outlet temperature sensor 6 arranged at the water outlet 4, a liquid cooling heat exchanger 7, a PTC heater 8 and an air conditioner heat exchange system;
the water inlet 3 and the water outlet 4 are both connected with the PTC heater 8, and the PTC heater 8 heats the refrigerant in the liquid cooling heat exchange plate 2;
a second outlet 7d of the liquid cooling heat exchanger 7 is connected with a water inlet 3 on the battery pack, a water outlet 4 on the battery pack 3 is connected with a first inlet 7a of the liquid cooling heat exchanger 7 through a first electronic water pump 9, the air conditioning heat exchange system comprises a compressor 12, a condenser 13 and an evaporator 14 which are connected in sequence, an outlet of the condenser 13 is connected with a second inlet 7c of the liquid cooling heat exchanger 7, a first outlet 7b of the liquid cooling heat exchanger 7 is connected with an inlet of the evaporator 14, the first inlet 7a and the first outlet 7b are communicated through a pipeline in the liquid cooling heat exchanger, and the second inlet 7c and the second outlet 7d are communicated through a pipeline in the liquid cooling heat exchanger 7;
the inlet of the PTC heater 8 is connected with the outlet of the evaporator 14 through a second electronic water pump 15, and the outlet of the PTC heater 8 is connected with the inlet of the evaporator 14;
corresponding expansion water tanks 10 are connected in parallel between an inlet and an outlet of the first electronic water pump 9 and between an inlet and an outlet of the second electronic water pump 15, and the expansion water tanks 10 are provided with exhaust valves and liquid discharge valves; a liquid outlet pressure sensor 16 is connected between the outlet of the condenser 13 and the refrigerant inlet of the liquid cooling heat exchanger 7, a liquid inlet pressure sensor 17 is connected between the refrigerant outlet of the liquid cooling heat exchanger 7 and the inlet of the evaporator 14, a refrigerant leakage sensor 18 is arranged on a communicating pipeline of the compressor 12, the condenser 13 and the evaporator 14, and an anti-freezing temperature sensor 19 is arranged at the refrigerant outlet of the liquid cooling heat exchanger 7;
an electromagnetic valve 11 is arranged at a refrigerant outlet of the liquid cooling heat exchanger 7, and a water inlet temperature sensor 5, a water outlet temperature sensor 6, an electromagnetic valve 11, a starting control end of an air conditioner heat exchange system, a PTC heater 8, a first electronic water pump 9, a second electronic water pump 15, a liquid outlet pressure sensor 16, a liquid inlet pressure sensor 17, a refrigerant leakage sensor 18 and an anti-freezing temperature sensor 19 are all connected with the ECU 1.
A thermal management method of a battery thermal management system of an automobile crane specifically comprises the following management modes:
(1) heating the battery pack: the electronic control device ECU 1 acquires the temperature of a water inlet and a water outlet of the battery pack according to the water inlet temperature sensor 5 and the water outlet temperature sensor 6 to obtain the temperature of the battery pack, when the temperature of the battery pack is lower than a set minimum temperature value, the ECU 1 starts the PTC heater 8 to work to heat a refrigerant in the liquid cooling heat exchange fins 2, the liquid cooling heat exchange fins 2 heat the battery pack, and the liquid cooling heat exchange fins 2 perform heat circulation until the temperature of the battery pack is not lower than the set minimum temperature value;
(2) and battery pack refrigeration: the electronic control device ECU 1 acquires the temperature of a water inlet and a water outlet of the battery pack according to the water inlet temperature sensor 5 and the water outlet temperature sensor 6 to obtain the temperature of the battery pack, when the temperature of the battery pack is higher than a set maximum temperature value, the ECU 1 starts an air conditioner heat exchange system, simultaneously opens a first electronic water pump 9 and an electromagnetic valve 11, a refrigerant in a liquid cooling heat exchange plate 2 flows into the air conditioner heat exchange system through a liquid cooling heat exchanger 7 to refrigerate the refrigerant, then the refrigerant flows into the liquid cooling heat exchange plate 2 through the liquid cooling heat exchanger 7 to cool the battery pack, and the liquid cooling heat exchange plate 2 carries out heat exchange circularly until the temperature of the battery pack is not;
(3) and air-conditioning refrigeration: when the electronic control device ECU 1 receives an air conditioner refrigeration instruction, the ECU 1 starts an air conditioner heat exchange system, and the automobile crane control room is refrigerated and cooled through the air conditioner heat exchange system;
(4) and air conditioning and heating: when the electronic control device ECU 1 receives an air conditioner heating instruction, the ECU 1 starts the PTC heater 8 and the second electronic water pump 15, and the refrigerant in the evaporator 14 enters the PTC heater 8 to be heated and then enters the evaporator 14 again to realize water heating;
(5) self-circulation: the electronic control device ECU 1 acquires the temperature of the water inlet and the water outlet of the battery pack according to the water inlet temperature sensor 5 and the water outlet temperature sensor 6 to obtain the temperature of the battery pack, and when the temperature of the battery pack is not lower than a set lowest temperature value or higher than a set highest temperature value, the refrigerant in the liquid cooling heat exchange plate 2 flows between the pipeline of the PTC heater 8 and the liquid cooling heat exchange plate 2 in a self-circulation mode.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mobile crane battery thermal management system which characterized in that: the system comprises an electronic control device, a liquid cooling heat exchange sheet arranged in a battery pack, a water inlet, a water outlet, a water inlet temperature sensor, a water outlet temperature sensor, a liquid cooling heat exchanger, a PTC heater and an air conditioner heat exchange system, wherein the water inlet and the water outlet are arranged on the battery pack and are connected with the liquid cooling heat exchange sheet; the water inlet and the water outlet are both connected with the PTC heater, and the PTC heater heats the refrigerant in the liquid cooling heat exchanger; the second outlet of the liquid cooling heat exchanger is connected with the water inlet of the battery pack, the water outlet of the battery pack is connected with the first inlet of the liquid cooling heat exchanger through a first electronic water pump, the air conditioner heat exchange system comprises a compressor, a condenser and an evaporator which are connected in sequence, the outlet of the condenser is connected with the second inlet of the liquid cooling heat exchanger, the first outlet of the liquid cooling heat exchanger is connected with the inlet of the evaporator, the first inlet and the first outlet are communicated through a pipeline in the liquid cooling heat exchanger, and the second inlet and the second outlet are communicated through a pipeline in the liquid cooling heat exchanger; the inlet of the PTC heater is connected with the outlet of the evaporator through a second electronic water pump, and the outlet of the PTC heater is connected with the inlet of the evaporator; the refrigerant outlet of the liquid cooling heat exchanger is provided with an electromagnetic valve, and the water inlet temperature sensor, the water outlet temperature sensor, the electromagnetic valve, the starting control end of the air-conditioning heat exchange system, the PTC heater, the first electronic water pump and the second electronic water pump are all connected with the electronic control device.
2. The mobile crane battery thermal management system of claim 1, wherein: and corresponding expansion water tanks are connected in parallel between the inlet and the outlet of the first electronic water pump and between the inlet and the outlet of the second electronic water pump, and are provided with exhaust valves and drain valves.
3. The mobile crane battery thermal management system of claim 1, wherein: the liquid cooling heat exchanger is characterized in that a liquid outlet pressure sensor is connected between an outlet of the condenser and a second inlet of the liquid cooling heat exchanger, a liquid inlet pressure sensor is connected between a first outlet of the liquid cooling heat exchanger and an inlet of the evaporator, and the liquid outlet pressure sensor and the liquid inlet pressure sensor are both connected with an electronic control device.
4. The mobile crane battery thermal management system of claim 1, wherein: and a refrigerant leakage sensor is arranged on a communication pipeline of the compressor, the condenser and the evaporator, and the refrigerant leakage sensor is connected with the electronic control device.
5. The mobile crane battery thermal management system of claim 1, wherein: the first outlet of the liquid cooling heat exchanger is provided with an anti-freezing temperature sensor, and the anti-freezing temperature sensor is connected with the electronic control device.
6. The thermal management method of the thermal management system of the battery of the truck crane according to claim 1, characterized in that: the method specifically comprises the following management modes:
(1) heating the battery pack: the electronic control device acquires the temperature of the water inlet and the water outlet of the battery pack according to the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, when the temperature of the battery pack is lower than a set minimum temperature value, the electronic control device starts the PTC heater to work to heat a refrigerant in the liquid cooling heat exchange plates, the liquid cooling heat exchange plates heat the battery pack, and the liquid cooling heat exchange plates perform heat exchange circularly until the temperature of the battery pack is not lower than the set minimum temperature value;
(2) and battery pack refrigeration: the electronic control device acquires the temperature of a water inlet and a water outlet of the battery pack according to the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, when the temperature of the battery pack is higher than a set maximum temperature value, the electronic control device starts the air conditioner heat exchange system, simultaneously opens the first electronic water pump and the electromagnetic valve, the refrigerant in the liquid cooling heat exchange piece flows into the air conditioner heat exchange system through the liquid cooling heat exchanger to refrigerate the refrigerant, then the refrigerant flows into the liquid cooling heat exchange piece through the liquid cooling heat exchanger to cool the battery pack, and the liquid cooling heat exchange piece performs heat exchange circularly until the temperature of the battery pack;
(3) and air-conditioning refrigeration: when the electronic control device receives an air conditioner refrigerating instruction, the electronic control device starts an air conditioner heat exchange system, and the automobile crane control room is refrigerated and cooled through the air conditioner heat exchange system;
(4) and air conditioning and heating: when the electronic control device receives a heating instruction of the air conditioner, the electronic control device starts the PTC heater and the second electronic water pump, and the refrigerant in the evaporator enters the PTC heater to be heated and then enters the evaporator again to realize water heating;
(5) self-circulation: the electronic control device acquires the temperature of the water inlet and the water outlet of the battery pack according to the water inlet temperature sensor and the water outlet temperature sensor to obtain the temperature of the battery pack, and when the temperature of the battery pack is not lower than a set lowest temperature value or higher than a set highest temperature value, the refrigerant in the liquid cooling heat exchange plate performs self-circulation flow between the pipeline of the PTC heater and the liquid cooling heat exchange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915553.5A CN111934056B (en) | 2020-09-03 | 2020-09-03 | Battery thermal management system and thermal management method for automobile crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010915553.5A CN111934056B (en) | 2020-09-03 | 2020-09-03 | Battery thermal management system and thermal management method for automobile crane |
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| CN111934056A true CN111934056A (en) | 2020-11-13 |
| CN111934056B CN111934056B (en) | 2024-08-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559786A (en) * | 2022-02-23 | 2022-05-31 | 柳工(常州)矿山机械有限公司 | Air conditioner and battery heat dissipation integrated system of pure electric wide-body mining dump truck |
| WO2023005591A1 (en) * | 2021-07-30 | 2023-02-02 | 三一汽车起重机械有限公司 | Integrated control system and method for vehicle crane, and electronic device and storage medium |
| CN116345018A (en) * | 2023-02-17 | 2023-06-27 | 常州天目智能科技有限公司 | Battery thermal management system, control system and method and electric automobile |
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| CN212257626U (en) * | 2020-09-03 | 2020-12-29 | 安徽柳工起重机有限公司 | Thermal management system for battery of automobile crane |
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| CN104786780A (en) * | 2015-05-19 | 2015-07-22 | 安徽柳工起重机有限公司 | Automobile crane air conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023005591A1 (en) * | 2021-07-30 | 2023-02-02 | 三一汽车起重机械有限公司 | Integrated control system and method for vehicle crane, and electronic device and storage medium |
| CN114559786A (en) * | 2022-02-23 | 2022-05-31 | 柳工(常州)矿山机械有限公司 | Air conditioner and battery heat dissipation integrated system of pure electric wide-body mining dump truck |
| CN116345018A (en) * | 2023-02-17 | 2023-06-27 | 常州天目智能科技有限公司 | Battery thermal management system, control system and method and electric automobile |
| CN116345018B (en) * | 2023-02-17 | 2024-03-19 | 常州天目智能科技有限公司 | Battery thermal management system, control system and method and electric automobile |
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| CN111934056B (en) | 2024-08-13 |
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