CN210744098U - Multifunctional battery cooling and heat management system for new energy vehicle - Google Patents
Multifunctional battery cooling and heat management system for new energy vehicle Download PDFInfo
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- CN210744098U CN210744098U CN201921478000.7U CN201921478000U CN210744098U CN 210744098 U CN210744098 U CN 210744098U CN 201921478000 U CN201921478000 U CN 201921478000U CN 210744098 U CN210744098 U CN 210744098U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a new energy vehicle type multifunctional battery cold and heat management system, which comprises a cooling subsystem, a heat dissipation subsystem and a heating subsystem; the cooling subsystem comprises a cooling inlet pipe, a cooling outlet pipe and a battery cooler which are connected with the battery pack, the battery cooler, the cooling inlet pipe, the battery pack and the cooling outlet pipe form a cooling loop in a circulating mode, a first water temperature sensor and a second water temperature sensor are respectively arranged on the cooling inlet pipe and the cooling outlet pipe, a first water pump is arranged on the cooling outlet pipe, and the battery cooler is connected with a refrigerating unit and a heating unit; the heat dissipation subsystem comprises a heat dissipation inlet pipe, a battery radiator and a heat dissipation outlet pipe, wherein the heat dissipation inlet pipe is connected with the cooling outlet pipe through a first electronic three-way valve, and the heat dissipation outlet pipe is connected with the cooling inlet pipe through a three-way joint. The utility model has the advantages of realize the heating or the cooling of battery package through integrated form battery cooler, reduce pipeline quantity, satisfy the vehicle lightweight design.
Description
The technical field is as follows:
the utility model belongs to the automotive power field, concretely relates to new forms of energy motorcycle type multifunctional battery cooling and heating management system.
Background art:
compared with the traditional automobile, the new energy automobile type is additionally provided with a driving motor, a power battery, a charger and other parts. The performance of the power battery determines the driving performance, the safety and the service life of the new energy vehicle, and under the normal condition, the working temperature range of the battery pack is-20-50 degrees, and when the temperature is higher than 50 degrees or lower than-20 degrees, the battery pack cannot be charged and discharged. The most suitable working temperature range of the battery pack is 10-40 degrees, when the working temperature range exceeds the using range, the battery pack generates current charging and discharging, and in order to ensure the performance of the power battery, a set of thermal management system is needed to ensure that the battery pack works in a reasonable working temperature range.
Patent No. 201811442766.X is a battery thermal management system applied to a hybrid vehicle model, and when a battery pack is heated or cooled, a circulating medium is only subjected to heat exchange with an electric heater or a cooler, so that the target temperature of the battery pack can be quickly reached, the battery pack can exert the maximum performance under different environmental conditions, and the service life of the battery pack is prolonged, but the following disadvantages exist: make the circulation medium in the heating pipeline realize the battery package heating through electric heater during battery package heating, make the circulation medium in the cooling pipeline realize the battery package cooling through the battery cooler during battery package cooling, through solitary return circuit design during heating and cooling, increase pipeline quantity and the route of the circulation of extension pipeline internal medium, the corresponding flow of the medium in the pipeline that also needs to increase, the time that makes to reach anticipated target temperature becomes long, increase whole car weight simultaneously, be unfavorable for the lightweight design of vehicle, influence whole car energy consumption and continuation of the journey mileage.
The utility model has the following contents:
the utility model aims at overcoming above not enough, provide a cold heat management system of multi-functional battery of new forms of energy motorcycle type, realize the heating or the cooling of battery package through integrated form battery cooler, reduce pipeline quantity, satisfy vehicle lightweight design.
The purpose of the utility model is realized through the following technical scheme: a new energy vehicle type multifunctional battery cold and heat management system comprises a cooling subsystem, a heat dissipation subsystem and a heating subsystem;
the cooling subsystem comprises a cooling inlet pipe, a cooling outlet pipe and a battery cooler which are connected with the battery pack, the battery cooler, the cooling inlet pipe, the battery pack and the cooling outlet pipe form a cooling loop in a circulating mode, a first water temperature sensor and a second water temperature sensor are respectively arranged on the cooling inlet pipe and the cooling outlet pipe, a first water pump is arranged on the cooling outlet pipe, and the battery cooler is connected with a refrigerating unit and a heating unit;
the heat dissipation subsystem comprises a heat dissipation inlet pipe, a battery radiator and a heat dissipation outlet pipe, wherein the heat dissipation inlet pipe is connected with the cooling outlet pipe through a first electronic three-way valve, the heat dissipation outlet pipe is connected with the cooling inlet pipe through a three-way joint, and the battery pack, the cooling outlet pipe, the heat dissipation inlet pipe, the battery radiator, the heat dissipation outlet pipe and the cooling inlet pipe form a heat dissipation loop in a circulating mode.
The utility model discloses a further improvement lies in: the battery cooler comprises a first exchanger and a second exchanger, a connecting pipe is arranged between the first exchanger and the second exchanger, the first exchanger and the second exchanger are communicated through the connecting pipe, the first exchanger and the second exchanger are jointly connected with a fixed support, an inlet end a is arranged on the first exchanger, an outlet end a is arranged on the second exchanger, the inlet end a and the outlet end a are respectively connected with an inlet end and an outlet end of a radiating loop, an inlet end b and an outlet end b are arranged on the first exchanger, the inlet end b and the outlet end b are respectively connected with the inlet end and the outlet end of a heating unit, a refrigerator is arranged on the second exchanger, the second exchanger is communicated with the refrigerator, a refrigerant inlet end and a refrigerant outlet end are arranged on the refrigerator, and the refrigerant inlet end and the refrigerant outlet end of the refrigerator are.
The utility model discloses a further improvement lies in: the refrigeration unit comprises a refrigeration pipeline, and a compressor, a condenser and a first thermal expansion valve which are sequentially distributed on the refrigeration pipeline, wherein the battery cooler, the compressor, the condenser and the first thermal expansion valve form a first refrigeration loop through the refrigeration pipeline so as to realize refrigeration of media in the battery cooler, the first thermal expansion valve is arranged at the inlet end of the refrigeration pipeline, the refrigeration pipeline is connected with a refrigeration branch through a second electronic three-way valve, the refrigeration branch is provided with a second thermal expansion valve and an evaporator, and the compressor, the condenser, the second electronic three-way valve, the second thermal expansion valve and the evaporator form a second refrigeration loop so as to realize refrigeration in a passenger cabin.
The utility model discloses a further improvement lies in: the heating unit comprises a heating pipeline, and a second water pump and a high-pressure heater which are sequentially distributed on the heating pipeline, the battery cooler, the second water pump and the high-pressure heater form a first heating loop through the heating pipeline to realize heating of media in the battery cooler, the heating pipeline is connected with a heating branch through a third electronic three-way valve, a heating core body is arranged on the heating branch, and the heating core body, the second water pump and the high-pressure heater form a second heating loop to realize heating of a passenger cabin.
The utility model discloses a further improvement lies in: the refrigeration pipeline is provided with a pressure sensor.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a refrigerating unit and heating element are connected to battery cooler integrated form, reduce pipeline quantity and shorten the route of medium circulation in the pipeline, make the time that reaches anticipated target temperature shorten, increase whole car weight simultaneously, realize the design of vehicle lightweight, save whole car energy consumption and promote the continuation of the journey mileage, reduce manufacturing cost.
Description of the drawings:
fig. 1 is the utility model relates to a new forms of energy motorcycle type multifunctional battery cooling and heating management system's principle schematic diagram.
Fig. 2 is the utility model relates to a new forms of energy motorcycle type multifunctional battery cooling and heating management system's battery cooler's schematic structure.
Reference numbers in the figures: 1-battery pack, 2-cooling inlet pipe, 3-cooling outlet pipe, 4-battery cooler, 5-first water temperature sensor, 6-second water temperature sensor, 7-first water pump, 8-refrigeration unit, 9-heating unit, 10-heat dissipation inlet pipe, 11-battery radiator, 12-heat dissipation outlet pipe, 13-first electronic three-way valve, 14-three-way joint, 15-pressure sensor, 41-first exchanger, 42-second exchanger, 43-connecting pipe, 44-inlet end a, 45-outlet end a, 46-inlet end b, 47-outlet end b, 48-refrigerator, 49-refrigerant inlet end, 410-refrigerant outlet end, 411-fixed support, 81-refrigeration pipeline, 82-compressor, and the like, 83-a condenser, 84-a first thermostatic expansion valve, 85-a second electronic three-way valve, 86-a refrigeration branch, 87-a second thermostatic expansion valve, 88-an evaporator, 91-a heating pipeline, 92-a second water pump, 93-a high-pressure heater, 94-a third electronic three-way valve, 95-a heating branch and 96-a heating core.
The specific implementation mode is as follows:
in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
In the present invention, unless otherwise specified or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, and those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.
Fig. 1 shows an embodiment of the new energy vehicle type multifunctional battery cooling and heat management system of the present invention, which includes a cooling subsystem, a heat dissipation subsystem, and a heating subsystem;
the cooling subsystem comprises a cooling inlet pipe 2, a cooling outlet pipe 3 and a battery cooler 4 which are connected with the battery pack 1, the battery cooler 4, the cooling inlet pipe 2, the battery pack 1 and the cooling outlet pipe 3 circularly form a cooling loop, a first water temperature sensor 5 and a second water temperature sensor 6 are respectively arranged on the cooling inlet pipe 2 and the cooling outlet pipe 3, a first water pump 7 is arranged on the cooling outlet pipe 3, and the battery cooler 4 is connected with a refrigerating unit 8 and a heating unit 9;
the heat dissipation subsystem comprises a heat dissipation inlet pipe 10, a battery radiator 11 and a heat dissipation outlet pipe 12, the heat dissipation inlet pipe 10 is connected with a cooling outlet pipe 3 through a first electronic three-way valve 13, the heat dissipation outlet pipe 12 is connected with a cooling inlet pipe 2 through a three-way joint 14, and the battery pack 1, the cooling outlet pipe 3, the heat dissipation inlet pipe 10, the battery radiator 11, the heat dissipation outlet pipe 12 and the cooling inlet pipe 2 circularly form a heat dissipation loop.
As shown in fig. 2, the battery cooler 4 includes a first exchanger 41 and a second exchanger 42, a connecting pipe is provided between the first exchanger 41 and the second exchanger 42, the first exchanger 41 and the second exchanger 42 are communicated with each other through a connecting pipe 43, the first exchanger 41 and the second exchanger 42 are commonly connected to a fixed bracket 411, the first exchanger 41 is provided with an inlet end a44, the second exchanger 42 is provided with an outlet end a45, the inlet end a44 and the outlet end a45 are respectively connected to the inlet and outlet ends of the heat dissipation loop, the first exchanger 41 is provided with an inlet end b46, the outlet end b47, the inlet end b46 and the outlet end b47 are respectively connected with the inlet and outlet ends of the heating unit, the refrigerator 48 is arranged on the second exchanger 42, the second exchanger 42 is communicated with the refrigerator 48, the refrigerator 48 is provided with a refrigerant inlet end 49 and a refrigerant outlet end 410, and the refrigerant inlet end 49 and the refrigerant outlet end 410 of the refrigerator 48 are respectively connected with the inlet and outlet ends of the refrigerating unit.
The refrigeration unit comprises a refrigeration pipeline 81, and a compressor 82, a condenser 83 and a first thermal expansion valve 84 which are sequentially distributed on the refrigeration pipeline 81, the battery cooler 4, the compressor 82, the condenser 83 and the first thermal expansion valve 84 form a first refrigeration loop through the refrigeration pipeline 81 so as to realize refrigeration of media in the battery cooler 4, the first thermal expansion valve 84 is arranged at the inlet end of the refrigeration pipeline 81, the refrigeration pipeline 81 is connected with a refrigeration branch 86 through a second electronic three-way valve 84, the refrigeration branch 86 is provided with a second thermal expansion valve 87 and an evaporator 88, and the compressor 82, the condenser 83, the second electronic three-way valve 84, the second thermal expansion valve 87 and the evaporator 88 form a second refrigeration loop so as to realize refrigeration of the passenger compartment.
The heating unit 9 includes a heating pipeline 91 and a second water pump 92 and a high-pressure heater 93 sequentially distributed on the heating pipeline 91, the battery cooler 4, the second water pump 92 and the high-pressure heater 93 form a first heating loop through the heating pipeline 91 to heat the medium in the battery cooler 4, the heating pipeline 91 is connected with a heating branch 95 through a third electronic three-way valve 94, a heating core 96 is arranged on the heating branch 95, and the heating core 96, the second water pump 92 and the high-pressure heater 93 form a second heating loop to heat the passenger compartment.
The pressure sensor 15 is provided in the cooling pipe 81, and the pressure at the time of medium circulation in the cooling pipe 81 can be measured.
The working principle is as follows:
when the first water temperature sensor 5 detects that the temperature of the battery pack 1 needs to be reduced at 28-38 ℃, a medium in the cooling inlet pipe 2 flows to the heat dissipation inlet pipe 10 under the action of the first water pump 7, dissipates heat of the circulated medium through the battery radiator 11, flows back to the battery pack 1 through the three-way joint 14 along the heat dissipation outlet pipe 12, and continuously circulates along the path to dissipate heat when the second water temperature sensor 6 detects that the temperature of the medium in the cooling outlet pipe 3 after heat dissipation of the battery pack 1 does not reach a preset requirement;
when the first water temperature sensor 5 detects that the temperature of the battery pack 1 exceeds 38 ℃ and needs to be cooled, the medium in the cooling outlet pipe 3 flows to the battery cooler 4 through the first water pump 7 and the first electronic three-way valve 13, the medium cooled by the battery cooler 4 flows to the battery pack 1 through the three-way joint 14 to realize cooling, meanwhile, the refrigerant in the battery cooler 4 flows through the compressor 82, the condenser 83, the second electronic three-way valve 85 and the first thermal expansion valve 84 to the battery cooler 4 in sequence, and the cycle is repeated, thereby realizing the cooling of the medium in the battery cooler 4, leading the medium to circulate through the battery pack 1, the cooling inlet pipe 2, the cooling outlet pipe 3 and the battery cooler 4 until the temperature of the battery pack 1 is reduced, when the temperature of the medium cooled by the battery pack 1 detected by the second water temperature sensor 6 does not reach the preset requirement, the medium is continuously cooled circularly along the path; the refrigeration unit 8 preferentially refrigerates the battery cooler 4, and when the battery pack 1 does not need to be cooled, the temperature in the cockpit is refrigerated through the second thermal expansion valve 87 and the evaporator 88;
when the first water temperature sensor 5 detects that the temperature of the battery pack 1 is lower than-20 ℃ and needs to be heated, the medium in the cooling outlet pipe 3 flows to the battery cooler 4 through the first water pump 7 and the first electronic three-way valve 13, the medium in the battery cooler 4 is heated through the heating unit 9 at the moment, the medium in the battery cooler 4 sequentially returns to the battery cooler 4 through the second water pump 92, the high-pressure heater 93 and the first electronic three-way valve 94 to heat the medium in the battery cooler 4, the medium in the battery cooler 4 is heated into the battery pack 1 through the three-way joint 14, so that the battery pack 1 is heated, when the temperature of the medium heated by the second water temperature sensor 6 does not reach the preset requirement yet, the medium is continuously circulated along the path for heating, and the heating unit 9 preferentially heats the medium in the battery cooler 4, when the battery pack 1 does not need to be heated, the temperature in the cabin is raised by the second electronic three-way valve 94 and the heating core 96.
The utility model discloses a4 integrated forms of battery cooler connect refrigerating unit 8 and heating element 9, reduce pipeline quantity and shorten the route of medium circulation in the pipeline, make the time that reaches anticipated target temperature shorten, increase whole car weight simultaneously, realize the design of vehicle lightweight, save whole car energy consumption and promote the continuation of the journey mileage, reduce manufacturing cost.
Other subject matter not disclosed in the present application is well known to those skilled in the art. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a multi-functional battery cooling and heating management system of new forms of energy motorcycle type, battery cooling and heating management system is connected its characterized in that with the battery package: comprises a cooling subsystem, a heat dissipation subsystem and a heating subsystem;
the cooling subsystem comprises a cooling inlet pipe, a cooling outlet pipe and a battery cooler which are connected with the battery pack, the battery cooler, the cooling inlet pipe, the battery pack and the cooling outlet pipe are circulated to form a cooling loop, a first water temperature sensor and a second water temperature sensor are respectively arranged on the cooling inlet pipe and the cooling outlet pipe, a first water pump is arranged on the cooling outlet pipe, and the battery cooler is connected with a refrigerating unit and a heating unit;
the heat dissipation subsystem advances pipe, battery radiator, heat dissipation exit tube including the heat dissipation, the heat dissipation advances the pipe and is connected through a three way connection with cooling outlet pipe, the heat dissipation exit tube advances the pipe with the cooling and is connected through three way connection, battery package, cooling exit tube, heat dissipation advance pipe, battery radiator, heat dissipation exit tube, cooling advance the pipe circulation and form a heat dissipation return circuit.
2. The system of claim 1, wherein the system comprises: the battery cooler comprises a first exchanger and a second exchanger, the first exchanger and the second exchanger are connected with a fixed bracket together, a connecting pipe is arranged between the first exchanger and the second exchanger, the first exchanger and the second exchanger are communicated through the connecting pipe, the first exchanger is provided with an inlet end a, the second exchanger is provided with an outlet end a, the inlet end a and the outlet end a are respectively connected with the inlet end and the outlet end of the heat dissipation loop, the first exchanger is provided with an inlet end b and an outlet end b, the inlet end b and the outlet end b are respectively connected with the inlet end and the outlet end of the heating unit, the second exchanger is provided with a refrigerator and communicated with the refrigerator, the refrigerator is provided with a refrigerant inlet end and a refrigerant outlet end, and the refrigerant inlet end and the refrigerant outlet end of the refrigerator are respectively connected with the inlet and outlet ends of the refrigeration unit.
3. The new energy vehicle type multifunctional battery cooling and heat management system according to claim 1 or 2, characterized in that: the refrigeration unit includes the refrigeration pipeline and distributes compressor, condenser, the first thermal expansion valve on the refrigeration pipeline in proper order, thereby battery cooler, compressor, condenser, the first thermal expansion valve pass through the refrigeration pipeline and form the refrigeration of first refrigeration return circuit realization to medium in the battery cooler, the inlet end department of refrigeration pipeline is arranged in to the first thermal expansion valve, thereby it is connected with refrigeration branch road through second electron three-way valve on the refrigeration pipeline, be equipped with second thermal expansion valve, evaporimeter on the refrigeration branch road, thereby compressor, condenser, second electron three-way valve, second thermal expansion valve, evaporimeter form the refrigeration return circuit of second refrigeration and realize the refrigeration in the passenger cabin.
4. The new energy vehicle type multifunctional battery cooling and heat management system according to claim 1 or 2, characterized in that: the heating unit includes heating pipeline and second water pump, the high pressure feed water heater that distributes in proper order on heating pipeline, thereby battery cooler, second water pump, high pressure feed water heater form the heating of first heating circuit medium in the battery cooler through heating pipeline, thereby heating pipeline is connected with the heating through third electron three-way valve and is shut, thereby heating core, second water pump, high pressure feed water heater form the heating that second heating circuit realized in to passenger cabin on the heating branch road, thereby heating core, second water pump, high pressure feed water heater form the heating of second heating circuit.
5. The new energy vehicle type multifunctional battery cooling and heating management system according to claim 3, characterized in that: and a pressure sensor is arranged on the refrigeration pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478000.7U CN210744098U (en) | 2019-09-06 | 2019-09-06 | Multifunctional battery cooling and heat management system for new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478000.7U CN210744098U (en) | 2019-09-06 | 2019-09-06 | Multifunctional battery cooling and heat management system for new energy vehicle |
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| CN210744098U true CN210744098U (en) | 2020-06-12 |
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| CN201921478000.7U Active CN210744098U (en) | 2019-09-06 | 2019-09-06 | Multifunctional battery cooling and heat management system for new energy vehicle |
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| CN (1) | CN210744098U (en) |
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- 2019-09-06 CN CN201921478000.7U patent/CN210744098U/en active Active
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