Utility model content
It is existing for solving the purpose of this utility model is to provide a kind of battery pack liquid cooling apparatus, battery pack and vehicle
Battery pack liquid cooling system leads to the problem of condensation in technology.
To achieve the above object, the utility model provides a kind of battery pack liquid cooling apparatus, including following device technique side
Case:
Device scheme one, a kind of battery pack liquid cooling apparatus, including control module, liquid cooling pipeline, for be arranged in battery pack
At least one temperature sensor of interior detection battery pack temperature and for detection battery pack humidity to be arranged in battery pack at least
One humidity sensor, string is equipped with coolant temperature adjustment module on the liquid cooling pipe road for being arranged outside battery pack, for setting
It sets string on the liquid cooling pipe road in battery pack and is equipped with radiating module, the cooling of the liquid cooling pipeline for being arranged in battery pack
Liquid import is connect with the cooling liquid outlet of the liquid cooling pipeline for being arranged outside battery pack, described for being arranged in battery pack
The cooling liquid outlet of liquid cooling pipeline is connect with the cooling liquid inlet of the liquid cooling pipeline for being arranged outside battery pack, described for setting
Set at the cooling liquid inlet of the liquid cooling pipeline in battery pack or the liquid cooling pipe road for being arranged in battery pack on be provided with
One temperature sensor;The signal output end of each temperature sensor, each humidity sensor and the first temperature sensor and the control
The signal input part of module connects, and the control module also controls the connection coolant temperature adjustment module.
Device scheme two, on the basis of device scheme one, the coolant temperature adjustment module is liquid cooling machine.
Device scheme three, on the basis of device scheme two, the radiating module includes cold plate, heat conductive pad/glue, connector,
The number of cold plate is one.
Device scheme four, on the basis of device scheme two, the radiating module includes cold plate, heat conductive pad/glue, connector,
The number of the cold plate is at least two, and in parallel, series connection or connection in series-parallel, which combine, between each cold plate connects.
Device scheme five, on the basis of device scheme one, each temperature sensor is used to be arranged in battery pack by holder
Inside, each temperature sensor and each battery module in battery pack are non-contact.
Device scheme six, on the basis of device scheme one, each humidity sensor is used to be arranged in battery pack by holder
Inside, each humidity sensor and each battery module in battery pack are non-contact.
Device scheme seven, on the basis of device scheme one, the liquid cooling pipeline is steel pipe, aluminum pipe, rubber tube or plastics
Pipe.
The utility model additionally provides a kind of battery pack, includes the technical solution of following battery pack:
Battery pack scheme one, a kind of battery pack, including battery module and battery pack liquid cooling apparatus, the battery pack liquid cooling dress
It sets including control module, liquid cooling pipeline, at least one temperature sensor that detection battery pack temperature is arranged in battery pack and sets
At least one humidity sensor for detecting battery pack humidity in battery pack is set, goes here and there and sets on the liquid cooling pipe road being arranged outside battery pack
There is coolant temperature adjustment module, string is equipped with radiating module on the liquid cooling pipe road being arranged in battery pack, described to be arranged in battery
The cooling liquid inlet of liquid cooling pipeline in packet is connect with the cooling liquid outlet for the liquid cooling pipeline being arranged outside battery pack, the setting
The cooling liquid outlet of liquid cooling pipeline in battery pack is connect with the cooling liquid inlet for the liquid cooling pipeline being arranged outside battery pack, institute
It states at the cooling liquid inlet for the liquid cooling pipeline being arranged in battery pack or is provided on the liquid cooling pipe road being arranged in battery pack
One temperature sensor;The signal output end of each temperature sensor, each humidity sensor and the first temperature sensor and the control
The signal input part of module connects, and the control module also controls the connection coolant temperature adjustment module.
Battery pack scheme two further includes the battery management system being arranged in battery pack on the basis of battery pack scheme one
System, the signal output of the signal output end and battery management system of the signal output end of each temperature sensor and each humidity sensor
End connection, the signal output end of battery management system are connect with the signal input part of the control module.
Battery pack scheme three, on the basis of battery pack scheme two, the coolant temperature adjustment module is liquid cooling machine.
Battery pack scheme four, on the basis of battery pack scheme three, the radiating module includes cold plate, heat conductive pad/glue, connects
The number of head, cold plate is one.
Battery pack scheme five, on the basis of battery pack scheme three, the radiating module includes cold plate, heat conductive pad/glue, connects
The number of head, the cold plate is at least two, and in parallel, series connection or connection in series-parallel, which combine, between each cold plate connects.
Battery pack scheme six, on the basis of battery pack scheme one, each temperature sensor is arranged by holder in battery pack
Inside, each temperature sensor and each battery module in battery pack are non-contact.
Battery pack scheme seven, on the basis of battery pack scheme one, each humidity sensor is arranged by holder in battery pack
Inside, each humidity sensor and each battery module in battery pack are non-contact.
Battery pack scheme eight, on the basis of battery pack scheme one, the liquid cooling pipeline be steel pipe, aluminum pipe, rubber tube or
Plastic tube.
The utility model additionally provides a kind of vehicle, including following vehicle technology scheme:
Vehicle scheme one, a kind of vehicle, including battery pack, the battery pack include battery module and battery pack liquid cooling dress
It sets, the battery pack liquid cooling apparatus includes control module, liquid cooling pipeline, detection battery pack temperature is arranged in battery pack at least
One temperature sensor and at least one humidity sensor that detection battery pack humidity is arranged in battery pack are arranged in battery pack
Outer liquid cooling pipe road string is equipped with coolant temperature adjustment module, and string is equipped with radiating mould on the liquid cooling pipe road being arranged in battery pack
Block, the coolant liquid of the cooling liquid inlet of the liquid cooling pipeline being arranged in battery pack and the liquid cooling pipeline being arranged outside battery pack
Outlet connection, the cooling liquid outlet of the liquid cooling pipeline being arranged in battery pack and the liquid cooling pipeline that is arranged outside battery pack
Cooling liquid inlet connects, at the cooling liquid inlet of the liquid cooling pipeline being arranged in battery pack or the liquid that is arranged in battery pack
The first temperature sensor is provided on cold pipeline;The signal of each temperature sensor, each humidity sensor and the first temperature sensor
Output end is connect with the signal input part of the control module, and the control module also controls the connection coolant temperature and adjusts
Module.
Vehicle scheme two further includes the battery management system being arranged in battery pack, respectively on the basis of vehicle scheme one
The signal output end of the signal output end and battery management system of the signal output end of temperature sensor and each humidity sensor connects
It connects, the signal output end of battery management system is connect with the signal input part of the control module, and the control module control connects
Connect the coolant temperature adjustment module.
Vehicle scheme three, vehicle scheme four, respectively on the basis of vehicle scheme one or vehicle scheme two, the control mould
Block is whole-control system.
Vehicle scheme five, vehicle scheme six, respectively on the basis of vehicle scheme three or vehicle scheme four, the coolant liquid
Temperature adjustment module is liquid cooling machine.
Vehicle scheme seven, vehicle scheme eight, respectively on the basis of vehicle scheme five or vehicle scheme six, the radiating mould
Block includes cold plate, heat conductive pad/glue, connector, and the number of cold plate is one.
Vehicle scheme nine, vehicle scheme ten, respectively on the basis of vehicle scheme five or vehicle scheme six, the radiating mould
Block includes cold plate, heat conductive pad/glue, connector, and the number of the cold plate is at least two, and in parallel, series connection or string be simultaneously between each cold plate
It is coupled and closes connection.
Vehicle scheme 11, on the basis of vehicle scheme one, each temperature sensor is arranged by holder in battery pack
Portion, each temperature sensor and each battery module in battery pack are non-contact.
Vehicle scheme 12, on the basis of vehicle scheme one, each humidity sensor is arranged by holder in battery pack
Portion, each humidity sensor and each battery module in battery pack are non-contact.
Vehicle scheme 13, on the basis of vehicle scheme one, the liquid cooling pipeline is steel pipe, aluminum pipe, rubber tube or modeling
Expects pipe.
The utility model has the beneficial effects that:
Each temperature sensor being arranged in battery pack of the utility model and each humidity sensor being arranged in battery pack
Device monitors the temperature and humidity in battery pack in real time, and analyzes dew-point temperature in judgement battery pack, when dew-point temperature is more than cooling
It when liquid inlet temperature, adjusts cooling liquid inlet temperature value and is higher than dew-point temperature, continue to monitor the dew-point temperature in battery pack, work as dew
When point temperature reduces, cooling liquid inlet temperature is reduced, the utility model effectively prevents radiating module and battery pack liquid cooling system
Dew condensation phenomenon occurs for surface, improves the reliability of battery, and small, the weight of temperature sensor and humidity sensor
Gently, convenient to be installed in battery pack.
Radiating module includes at least two cold plates, is connected by the way of in parallel between each cold plate, greatly reduces battery mould
Temperature difference between block improves the safety in battery charge and discharge process.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings:
The utility model provides a kind of vehicle, and vehicle includes battery pack, battery module and battery pack liquid cooling apparatus, the electricity
Pond packet liquid cooling apparatus includes control module, liquid cooling pipeline, for at least one of detection battery pack temperature to be arranged in battery pack
Temperature sensor and for be arranged in battery pack detection battery pack humidity at least one humidity sensor, for be arranged in electricity
Liquid cooling pipe road string outside Chi Bao is equipped with coolant temperature adjustment module, goes here and there and sets on the liquid cooling pipe road for being arranged in battery pack
There is radiating module, the cooling liquid inlet of the liquid cooling pipeline for being arranged in battery pack and the liquid cooling for being arranged outside battery pack
The cooling liquid outlet of pipeline connects, the cooling liquid outlet of the liquid cooling pipeline for being arranged in battery pack with for being arranged in battery
The cooling liquid inlet of liquid cooling pipeline outside packet connects, the signal output of the signal output end and humidity sensor of each temperature sensor
End is connect with the signal input part of control module, and control module also controls connection coolant temperature adjustment module.
Specifically, as shown in Figure 1, the battery pack liquid cooling apparatus of the present embodiment includes battery pack housing 1, battery pack housing
1 is arranged outside battery pack, and for wrapping battery pack, there are four battery module, battery pack liquid cooling apparatus for the interior setting of battery pack
For radiating for battery module.Further include having cold plate 2, the quantity of cold plate 2 is four, and each cold plate is connected in parallel, cold after parallel connection
Plate string is located on coolant liquid circulation line (liquid cooling pipeline) 4, and also string is equipped with liquid cooling machine 8 on coolant liquid circulation line, and liquid cooling machine can
Outlet temperature for adjusting coolant liquid, coolant liquid circulation line include the liquid cooling pipeline being arranged in battery pack and are arranged in electricity
The outer liquid cooling pipelines being connect with liquid cooling machine of Chi Bao, the cooling liquid inlet 5 for the liquid cooling pipeline being arranged in battery pack and setting are in electricity
The cooling liquid outlet of liquid cooling machine outside Chi Bao connects, and cooling liquid outlet 9 and the setting of the liquid cooling pipeline being arranged in battery pack exist
The cooling liquid inlet of liquid cooling machine outside battery pack connects, wherein steel pipe, aluminum pipe, rubber tube or plastics can be used in liquid cooling pipeline
Any one of pipe.
Battery pack liquid cooling apparatus further include be arranged in battery pack pond management system 3, whole-control system 6, setting exist
Temperature sensor 10 and setting humidity sensor 11, the signal output end of temperature sensor in battery pack in battery pack pass through
Acquisition harness is connect with the signal input part of battery management system 3, and the signal output end of humidity sensor 11 is also by gathering line
The signal output end of beam and battery management system connects, and the signal output end of battery management system is by acquiring harness and vehicle control
The signal input part of system 6 processed connects, and the signal output end of whole-control system is connect with liquid cooling machine by harness 7.Temperature passes
Sensor is fixed with holder, and holder is by bolt or is fixedly welded on the battery pack bottom of box, and between temperature sensor and holder
It is provided with bolt, i.e., is bolted between temperature sensor and holder, the other components such as temperature sensor and battery module
It does not contact, the quantity of the temperature sensor in the present embodiment is one.
Likewise, humidity sensor is fixed with holder, holder is by bolt or is fixedly welded on the battery pack bottom of box, and
It is provided with bolt between humidity sensor and holder, i.e., is bolted between humidity sensor and holder, humidity sensor
It does not contact, is connect with battery management system by acquiring harness, the humidity sensor of the present embodiment with other components such as battery modules
The quantity of device is one.
It is stored with the matrix table of relative humidity and dew-point temperature in the whole-control system of the present embodiment, can determine that different phases
To the dew-point temperature under humidity.Since control section is battery management system and the control that is combined of whole-control system in Fig. 1
Mode processed, then can also be to arrive the controller only with a controller, and by the storage of the matrix table of relative humidity and temperature
Interior, the signal output end of battery management system is connected by acquiring the signal input part of harness and controller, the signal of controller
Output end is connect by acquiring harness with liquid cooling machine.It, can be in coolant liquid in order to acquire the temperature of the coolant liquid at cooling liquid inlet 5
First temperature sensor is set at import 5, or the first temperature sensor is set on the cooling line being arranged in battery pack,
The signal output end of first temperature sensor and the signal output end of whole-control system connect, and whole-control system is warm by first
The temperature value of the coolant liquid of sensor acquisition is spent compared with the dew-point temperature in battery pack, to adjust the cold of liquid cooling machine exit
But liquid outlet temperature.
In addition, the coolant temperature adjustment module of the present embodiment is liquid cooling machine, it is of course also possible to use other have tune
The equipment for saving coolant temperature;Promising four of the cold plate number setting of the present embodiment, certainly, can according to the quantity of battery module or
The demand of heat dissipation specifically determines the number of cold plate, and the quantity of cold plate can be more than four or less than four, between each cold plate with series connection,
The mode that in parallel or connection in series-parallel combines connects, and certainly, the number of cold plate may be set to be 1.
The method for preventing coolant liquid circulation line condensation based on battery pack liquid cooling apparatus, it is specific as shown in Fig. 2, setting
Temperature sensor and humidity sensor in battery pack monitor the temperature and humidity in battery pack in real time, and battery management system is adopted
Collect the temperature and humidity data in the battery pack of temperature sensor and humidity sensor, then by collected temperature and humidity number
According to whole-control system is transmitted to, whole-control system judges according to the relative humidity and dew-point temperature matrix table of storage inside
Dew-point temperature Td in battery pack at this time, whole-control system compare the inlet temperature Ti of coolant liquid and dew-point temperature Td
Compared with when battery pack dew-point temperature is higher than cooling liquid inlet temperature, whole-control system sends control to liquid cooling machine and improves cooling
The instruction of liquid outlet temperature, by adjusting own power or other modes, improves coolant liquid after liquid cooling machine receives this instruction
Outlet temperature makes the temperature value be higher than dew-point temperature, prevents condensation;Temperature sensor and humidity sensor continue monitoring electricity
Temperature and humidity in the packet of pond finds dew-point temperature less than the last dew point being calculated analytically if being calculated analytically
When temperature, whole-control system sends control to liquid cooling machine reduces the instruction of cooling liquid outlet temperature, and liquid cooling machine receives this and refers to
After order, by way of adjusting own power or others, the outlet temperature of coolant liquid is reduced, it is made to remain above this dew point temperature
Degree, prevents condensation.
Specific embodiment is presented above, but the utility model is not limited to embodiment described above.This
The basic ideas of utility model are above-mentioned basic scheme, for those of ordinary skill in the art, according to the present utility model
Introduction, the model, formula, parameter for designing various modifications do not need to spend creative work.The utility model is not being departed from
Principle and spirit in the case of the guarantor of the utility model is still fallen within to the change, modification, replacement and modification that embodiment carries out
It protects in range.