CN208937522U - A kind of electric automobile power battery temperature control plate testing device for heat transferring performance - Google Patents
A kind of electric automobile power battery temperature control plate testing device for heat transferring performance Download PDFInfo
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Abstract
A kind of electric automobile power battery temperature control plate testing device for heat transferring performance, temperature control plate including design, water jacket thermal insulator, part flow arrangement, the solenoid valve of setting, flow pump, refrigeration and heating device, cold liquid and hydrothermal solution storage device, temperature and pressure sensor, each component forms circuit by pipeline, the outlet of refrigeration and heating device is connected through flow pump with part flow arrangement, the outlet of part flow arrangement is connected with the entrance of temperature control plate and water jacket thermal insulator respectively, flowmeter is in the inlet of temperature control plate, the outlet of water jacket thermal insulator and temperature control plate are all connected with part flow arrangement, flow back to cold liquid and hydrothermal solution storage device, ultimately form circuit.Heating device, refrigerating plant, flow pump, the solenoid valve in part flow arrangement are connected with the output end of Measurement &control computer respectively, and flowmeter, temperature and pressure sensor are connected with the input terminal of Measurement &control computer respectively.The utility model structure is simple, and operation, convenient test provide foundation for the improvement of temperature control plate.
Description
Technical field
The utility model belongs to New-energy electric vehicle technical field, especially a kind of battery temperature control technique, specifically
It is a kind of electric automobile power battery temperature control plate testing device for heat transferring performance.
Background technique
Currently, main energy-storage travelling wave tube of the power battery as electric car, performance and service life will affect vehicle performance
Quality.
The discharge performance of electric automobile power battery will receive the influence of temperature.One, power battery is using a period of time
Afterwards, discharge process produces amount of heat, while may be influenced by space layout, and heat does not dissipate preferably, so that
Power battery own temperature steeply rises, or under the influence of higher temperature environment, this can all generate power battery bad
Destruction, influence the charge-discharge performance and service life of power battery.Second, cold district in winter, due to environment temperature mistake
It is low, it causes temperature of powered cell lower, leads to power battery when in use, charging performance and discharge performance are all by low temperature effect
And be greatly reduced, for example the heat that power battery electric discharge when driving generates is much smaller than outside dispersed heat, cause electricity
A large amount of wastes of energy；And in cold morning parking starting, it is difficult if the temperature of power battery itself is too low shorter
Starting in time, this can all seriously affect the discharge performance and service life of power battery.
Currently, a solution regarding to the issue above is: using temperature control liquid plate, carry out temperature to power battery pack
It adjusts, guarantees power battery work under a certain preference temperature (35-45 DEG C), it is ensured that it has in use preferably fills
Discharge performance and longer service life.This temperature control liquid plate is after a kind of pair of aluminium alloy carries out punch welding, and inside contains
There is the heat transfer unit (HTU) of shaped form runner.It in the development process of temperature control liquid plate, needs to test its heat transfer property, existing
Have in technology, there are some pairs of batteries to carry out the device of temperature adjusting, but there has been no more perfect to be directed to electric automobile power battery
The device that temperature control liquid plate heat transfer property is tested.
Therefore, device and the test of a kind of electric automobile power battery temperature control liquid plate heat transfer property are needed in the prior art
Method, to guarantee have more excellent in the temperature control liquid plate development process of the power battery in reply different shape, different function
Heat transfer property, finally guarantee the optimal temperature control liquid plate of matching heat transfer property for being customized of power battery, greatly
The big service performance and service life for improving electric automobile power battery.
Utility model content
The purpose of this utility model be for the heating of existing temperature control plate and temperature reduction performance can not carry out quantitative expression and
It is difficult for the problem of optimization design provides the firsthand information, designs a kind of novel electric vehicle power battery temperature control plate heat transfer property
The device of test, while corresponding heating and cooling test method being provided, by the temperature of device real-time measurement water jacket thermal insulator and
The temperature of temperature control plate inlet and outlet is realized the monitoring to temperature control plate heat output and temperature control effect, and then is realized to temperature control plate conductivity of heat
The optimization of energy.
The technical solution of the utility model is:
A kind of electric automobile power battery temperature control plate testing device for heat transferring performance, it is characterized in that it includes the temperature set gradually
Control plate 1, heat-conducting pad 2, water jacket thermal insulator 3, Measurement &control computer 5, part flow arrangement 6, flow pump 7,14, refrigerating plant 8, heating device
12, cold liquid storage device 9, hydrothermal solution storage device 13, temperature sensor 4,10,11,15,17, pressure sensor 16,18 and flow
Meter 19, above-mentioned each component by pipeline composition circuit, the outlet of cold liquid storage device 9 and hydrothermal solution storage device 13 through flow pump 7,
It is connected after 14 with the entrance of part flow arrangement 6, the outlet of the part flow arrangement 6 is connected with temperature control plate 1 and water jacket thermal insulator 3 respectively, temperature
The outlet of control plate 1 and water jacket thermal insulator 3 flows through part flow arrangement 6, finally flows back to cold liquid storage device 9 and hydrothermal solution storage device 13, institute
The flowmeter 19 stated is located at the inlet of temperature control plate；The heating device 12, refrigerating plant 8, flow pump 7,14, part flow arrangement
Solenoid valve in 6 is connected with the output end of Measurement &control computer 5 respectively, the flowmeter 19, temperature sensor 4,10, and 11,15,
17 and pressure sensor 16,18 be connected respectively with the input terminal of Measurement &control computer 5.
Refrigerating plant 8, heating device 12, flow pump 7,14, cold liquid storage device 9 and the hydrothermal solution storage device 13 is logical
Piping connection is crossed, cold and hot source supply system is constituted；Flow pump 7,14, refrigerating plant 8, heating device 12 and the observing and controlling calculates
The output end of machine 5 is connected, and the temperature sensor 10,11 is connected with the input terminal of Measurement &control computer 5.
The inlet of temperature control plate 1, the temperature sensing is arranged in the temperature sensor 15 and pressure sensor 16
The exit of temperature control plate 1 is arranged in device 17 and pressure sensor 18, and the temperature sensor 4 measures 3 inside liquid of water jacket thermal insulator
The temperature of body, the temperature sensor 10 measure the temperature of cold liquid storage device 9, and the temperature sensor 11 measures hydrothermal solution
The temperature of storage device 13.
6 solenoid valves and 4 check valves are equipped with inside the part flow arrangement 6 in total, it is external that 8 interfaces are set in total,
Interface 6.1,6.3,6.6,6.8 is 4 imports of part flow arrangement, and interface 6.2,6.4,6.5,6.7 is that 4 of part flow arrangement go out
Mouthful, the interface 6.1 of part flow arrangement is connected with the outlet of cold liquid storage device 9, the interface 6.2 of part flow arrangement and cold liquid storage device
9 entrance is connected, and the interface 6.3 of part flow arrangement is connected with the outlet of water jacket thermal insulator 3, the interface 6.4 and insulating water of part flow arrangement
The entrance of case 3 is connected, and the interface 6.5 of part flow arrangement is connected with the entrance of temperature control plate 1, the interface 6.6 and temperature control plate 1 of part flow arrangement
Outlet be connected, the interface 6.7 of part flow arrangement is connected with the entrance of hydrothermal solution storage device 13, the interface 6.8 of part flow arrangement with it is hot
The outlet of liquid storage device 13 is connected, and realizes the self-loopa of refrigerating plant and heating device, the cold liquid of temperature control plate and water jacket thermal insulator
It in total include six sets of independent circulation lines with the circulation respectively of hydrothermal solution.
By the temperature change of liquid in the 4 real-time measurement water jacket thermal insulator 3 of temperature sensor, pass through the temperature
The temperature change of sensor 15 and 17 real-time measurement temperature control plate 1 of temperature sensor inlet and outlet liquid, and then calculate the biography of temperature control plate
Heat and heat transfer coefficient react the heat transfer property of temperature control plate.
The application method of the utility model is:
A kind of electric automobile power battery temperature control plate heat transfer property test method, it is characterized in that it includes the cooling of temperature control plate
Performance test and the heating performance test of temperature control plate；
The temperature reduction performances of 6.1 temperature control plates test the following steps are included:
1) first passage for connecting the 5th solenoid valve and the 6th solenoid valve, connects interface 6.1 and interface 6.2, interface 6.8 with
6.7 connect in interface, realize cooling and heating to working solution respectively using cooling device and heating device, close temperature control plate and
The entrance of water jacket thermal insulator, interface 6.4 and interface 6.5 are closed, and realize the pre- circulation of cold liquid and hydrothermal solution；
2) when temperature sensor 11 reaches set temperature (high temperature), the 6th solenoid valve switches to second channel, interface 6.8
Channel is closed between interface 6.7；3rd electromagnetism the valve opening state, interface 6.4 are opened；1st solenoid valve is switched to closed state,
Interface 6.3 is closed；Interface 6.8 is connected to interface 6.4, and hydrothermal solution flows to interface 6.4 through interface 6.8, is entered after water jacket thermal insulator
6.3 second channel of interface enters hydrothermal solution storage device 13 after entering interface 6.7, and the certain body of certain temperature is passed through into water jacket thermal insulator
6th solenoid valve is switched to first passage, interface after the temperature that temperature sensor 4 measures reaches setting value by long-pending hydrothermal solution
6.8 disconnect with interface 6.4, connect with interface 6.7；
3) temperature sensor 15,17 and 16,18 real-time monitoring temperature control plate of pressure sensor inlet and outlet temperature conditions and liquid
Situation is pressed, the traffic conditions of 19 real-time monitoring temperature control plate import of flowmeter guarantee that the working solution for entering temperature control plate is constant temperature and pressure
And constant flow rate；
4) when temperature sensor 10 reaches set temperature (low temperature), the 5th solenoid valve switches to second channel, interface 6.1
It stops between interface 6.2；2nd solenoid valve switches to closed state, and interface 6.4 is closed, and interface 6.5 is opened, the 4th solenoid valve
Second channel is switched to, interface 6.6 is connected to interface 6.2；The cold liquid of cold liquid storage box 9 is laggard into interface 6.5 through interface 6.1
Enter temperature control plate and flow to interface 6.2 into cold liquid storage box 9 through interface 6.6 again, it is certain that certain temperature is constantly passed through into temperature control plate
The cold liquid of flow；
5) realize that the heat between temperature control plate and water jacket thermal insulator exchanges；
6) temperature change of internal liquid is measured to the real-time multiposition of temperature sensor 4 uniformly distributed inside water jacket thermal insulator；
7) temperature sensor 15 of temperature control plate inlet and the 17 real-time monitoring temperature control plate of temperature sensor in exit are utilized
The fluid temperature situation of inlet and exit；
8) pressure sensor 16 of temperature control plate inlet and the 18 real-time monitoring temperature control plate of pressure sensor in exit are utilized
The fluid pressure condition of inlet and exit；
9) acquisition for constantly carrying out data, until the temperature of water jacket thermal insulator drops to the temperature of a certain suitable battery work
(the suitable operating temperature of power battery is 35-45 DEG C under normal circumstances)；
10) heat output of calculating electric automobile power battery temperature control plate and heat transfer coefficient and water jacket thermal insulator's internal liquid
Drop to time-consuming situation when specific temperature, and then reacts the changing rule of the heat transfer temperature reduction performance and heat transfer of temperature control plate；
6.2 temperature control plates heat up performance test methods the following steps are included:
1) the 5th solenoid valve and the 6th solenoid valve are in an open state, and connect interface 6.1 and interface 6.2, interface 6.8 and interface
In 6.7 connect, realize cooling and heating to working solution respectively using cooling device and heating device, close temperature control plate and heat-insulated
The entrance of water tank, i.e. interface 6.5 and interface 6.4 are closed, and realize the pre- circulation of cold liquid and hydrothermal solution；
1) when temperature sensor 10 reaches set temperature (low temperature), the 5th solenoid valve is switched into second channel, interface
It is obstructed between 6.1 and interface 6.2；2nd solenoid valve is in an open state, and interface 6.4 is opened, and the 1st solenoid valve is in an open state, interface
It is connected between 6.2 and interface 6.3, cold liquid is flowed from interface 6.1 to interface 6.4, is flowed after water jacket thermal insulator 3 by interface 6.3
It is flowed into again after incoming interface 6.2 in cold liquid storage device 9, so that the cold liquid of certain temperature certain volume is passed through into water jacket thermal insulator,
5th solenoid valve is switched back into opening state, interface 6.1 is connected to interface 6.2, and cold liquid is no longer led in water jacket thermal insulator；
2) temperature sensor 15,17 and 16,18 real-time monitoring temperature control plate of pressure sensor inlet and outlet temperature conditions and liquid
Situation is pressed, the traffic conditions of 19 real-time monitoring temperature control plate import of flowmeter guarantee that the working solution for entering temperature control plate is constant temperature and pressure
And constant flow rate；
3) when temperature sensor 11 reaches set temperature (high temperature), the 6th solenoid valve switches to second channel, interface 6.7
Obstructed between interface 6.8, the 3rd solenoid valve switches to second channel, and the 4th solenoid valve is on-state, interface 6.8 and interface
6.5 connect, and interface 6.6 is connected with interface 6.7, and the hydrothermal solution in hydrothermal solution storage device 13 enters after interface 6.8 enters interface 6.5
In temperature control plate, then enter interface 6.7 through interface 6.6 and be back in hydrothermal solution storage device 13, to be constantly passed through into temperature control plate
The hydrothermal solution of certain temperature certain flow；
4) realize that the heat between temperature control plate and water jacket thermal insulator exchanges；
5) temperature change of internal liquid is measured to the real-time multiposition of temperature sensor 4 uniformly distributed inside water jacket thermal insulator；
6) temperature sensor 15 of temperature control plate inlet and the 17 real-time monitoring temperature control plate of temperature sensor in exit are utilized
The fluid temperature situation of inlet and exit；
7) pressure sensor 16 of temperature control plate inlet and the 18 real-time monitoring temperature control plate of pressure sensor in exit are utilized
The fluid pressure condition of inlet and exit；
8) acquisition for constantly carrying out data, until the temperature of water jacket thermal insulator rises to the temperature of a certain suitable battery work
(the suitable operating temperature of power battery is 35-45 DEG C under normal circumstances)；
9) on the heat output and heat transfer coefficient and water jacket thermal insulator's internal liquid for calculating electric automobile power battery temperature control plate
It is raised to time-consuming situation when specific temperature, and then reacts the changing rule of heat transfer the heating performance and heat transfer of temperature control plate.
The beneficial effects of the utility model are:
Electric automobile power battery temperature controlling plate performance test device provided by the utility model does not conform in water jacket thermal insulator's temperature
In due course, if fluid temperature is excessively high, temperature control plate opens refrigeration mode, and the low-temperature working of steady temperature constant flow rate is passed through in temperature control plate
Liquid, the temperature of relationship and temperature control plate inlet and outlet of measurement water jacket thermal insulator's internal temperature changing with time change with time pass
System, monitors the heat transfer temperature reduction performance of temperature control plate；When water jacket thermal insulator's temperature is too low, temperature control plate opens heating mode, in temperature control plate
It is passed through the high-temp liquid of steady temperature constant flow rate, measurement water jacket thermal insulator's internal temperature changes with time relationship and temperature control
The temperature of plate inlet and outlet changes with time relationship, monitors the heat transfer heating performance of temperature control plate, changes to reach test temperature control plate
The purpose of hot property advanced optimizes the structure of temperature control plate.
The utility model structure is simple, and operation, convenient test provide foundation for the improvement of temperature control plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model single unit system.
Fig. 2 is the working principle diagram of the utility model part flow arrangement.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
Embodiment one.
As shown in Figure 1, 2.
A kind of electric automobile power battery temperature control plate testing device for heat transferring performance, including the temperature control plate 1, thermally conductive set gradually
Gasket 2, water jacket thermal insulator 3, temperature sensor 4, Measurement &control computer 5, part flow arrangement 6, flow pump 7 and 14, refrigerating plant 8, cold liquid
Storage device 9, temperature sensor 10 and 11, heating device 12, hydrothermal solution storage device 13, temperature sensor 15 and 17, pressure pass
Sensor 16 and 18, flowmeter 19, above-mentioned each component form circuit by pipeline.As shown in Figure 1, cold liquid storage device 9 and hydrothermal solution
The outlet of storage device 13 is connected after flow pump 7,14 with the entrance of part flow arrangement 6, the outlet of the part flow arrangement 6 respectively with
Temperature control plate 1 is connected with water jacket thermal insulator 3, and the outlet of temperature control plate 1 and water jacket thermal insulator 3 flow through part flow arrangement 6, finally flows back to cold liquid storage
Device 9 and hydrothermal solution storage device 13, the flowmeter 19 are located at the inlet of temperature control plate；The heating device 12, refrigeration
Device 8, flow pump 7,14, the solenoid valve in part flow arrangement 6 are connected with the output end of Measurement &control computer 5 respectively, the flow
Meter 19, temperature sensor 4,10,11,15,17 and pressure sensor 16,18 are connected with the input terminal of Measurement &control computer 5 respectively.
Further, Cooling and Heat Source feedway includes refrigerating plant 8 and heating device 12, cold liquid storage device 9 and hydrothermal solution
Storage device 13, flow pump 7 and 14, temperature sensor 10 and 11, above-mentioned each component pass through piping connection.
Further, part flow arrangement 6 includes the 1st solenoid valve, the 2nd solenoid valve, the 2nd solenoid valve, the 4th solenoid valve, the 5th electromagnetism
Valve, the 6th solenoid valve and four check valves, as shown in Fig. 2, passing through piping connection, each electromagnetism between each solenoid valve and check valve
The flow direction of the switching control working solution of valve pipeline realizes six sets of independent circulation lines, respectively refrigerating plant and heating device
Self-loopa, the circulation respectively of the cold liquid and hydrothermal solution of temperature control plate and water jacket thermal insulator.
Further, temperature control plate 1, heat-conducting pad 2, the part that contacts with each other of water jacket thermal insulator 3 are seamless applying, equal with each face
Heat-insulated processing is done, passes through heat-conducting pad transmission of heat by contact between temperature control plate and water jacket thermal insulator.
Further, temperature sensor 4 and 10 and 11 and 15 and 17, pressure sensor 16 and 18, flowmeter 19 and observing and controlling
The input terminal of computer 5 is connected, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the
Six solenoid valves, flow pump 7 and 14, refrigerating plant 8, heating device 12 are connected with the output end of Measurement &control computer 5.
The control of the 5th solenoid valve and the 6th solenoid valve by Measurement &control computer in part flow arrangement realizes that cold liquid and hydrothermal solution supply
To the self-loopa of device, guarantee that temperature control plate Inlet fluid temperature has been steady state value before being passed through working solution, it is ensured that temperature control plate has
Stable and good heat transfer effect provides effective data to test temperature controlling plate performance.1st solenoid valve, the 2nd solenoid valve, the 3rd electricity
The control of magnet valve and the 4th solenoid valve by Measurement &control computer, realize water jacket thermal insulator and temperature control plate respectively with cold and hot liquid supplying device
Circulation between pipeline, each check valve prevent the adverse current of each tube outlet part working solution.
The working principle of the utility model is as follows:
The present apparatus includes two states: first is that temperature control plate is enabled for hot-die when water jacket thermal insulator's internal liquid temperature is too low
Formula provides the working solution of constant flow rate and constant relatively-high temperature to temperature control plate, by temperature control plate and heat-conducting pad to water jacket thermal insulator
Internal liquid provides constant heat, achievees the purpose that heating；Second is that work as water jacket thermal insulator's internal liquid when the temperature is excessively high, temperature control plate
Radiating mode is enabled, provides the working solution of constant flow rate and constant relative low temperature to temperature control plate, water jacket thermal insulator's internal liquid passes through
Heat-conducting pad and temperature control plate distribute heat outward, achieve the purpose that cooling, guarantee water jacket thermal insulator's internal liquid in best demand temperature
Spend range in, temperature sensor real-time monitoring temperature at any time, the variation relation of temperature control plate inlet flow rate and temperature, Numerical heat transfer
Amount and time consuming relationship, the final detection realized to temperature control plate heat transfer property.
The working principle of performance detection under temperature control plate heat absorption mode: when the temperature of water jacket thermal insulator's internal liquid is more than certain value
When, i.e., when the temperature is excessively high, 4 temperature of temperature sensor that Measurement &control computer receives water jacket thermal insulator's internal liquid crosses high RST, surveys
It is that first passage is got through state (i.e. state shown in Fig. 2, hereinafter referred to as 1 state) that control computer, which controls the 5th solenoid valve, is realized
Self-loopa inside cold source feedway is surveyed when the temperature that temperature sensor 10 measures reaches certain temperature state (low temperature)
Control computer receives signal, and the 5th solenoid valve of control switches to second channel and gets through (from Fig. 2 another shape that show state different
State, hereinafter referred to as 2 states), second solenoid valve switches to 2 states, and the 4th solenoid valve switches to 2 states, at this time to temperature control plate
Part is passed through the liquid of certain temperature (low temperature), realizes the purpose for stablizing heat dissipation from water jacket thermal insulator to temperature control plate, real-time measurement every
The temperature of relationship and temperature control plate import and export of fluid temperature inside boiler 3 changing with time changes with time pass
System monitors the heat absorption capacity of temperature control plate, calculates water jacket thermal insulator to the heat dissipation capacity of temperature control plate and the heat transfer coefficient of temperature control plate.
The working principle of performance detection under temperature control plate heat supply mode: when the temperature of water jacket thermal insulator's internal liquid is lower than certain value
When, i.e., when temperature is too low, 4 temperature of temperature sensor that Measurement &control computer receives water jacket thermal insulator's internal liquid crosses low signal, surveys
Controlling computer and controlling the 6th solenoid valve is 1 state, realizes the self-loopa inside heat source feedway, when temperature sensor 11 measures
Temperature when reaching certain temperature state (high temperature), Measurement &control computer receives signal, and the 6th solenoid valve of control switches to 2 shapes
State, third solenoid valve switch to 2 states, and the 4th solenoid valve is 1 state, are passed through certain temperature (high temperature) to temperature control plate part at this time
Liquid, realize the purpose for stablizing heat absorption from water jacket thermal insulator to temperature control plate, the fluid temperature inside real-time measurement water jacket thermal insulator 3 with
The variation relation of time and the temperature of temperature control plate import and export change with time relationship, monitor the heat dissipation performance of temperature control plate,
Water jacket thermal insulator is calculated to the caloric receptivity of temperature control plate and the heat transfer coefficient of temperature control plate.
Embodiment two.
As shown in Figs. 1-2.
A kind of electric automobile power battery temperature control plate heat transfer property test method, it includes the temperature reduction performance test of temperature control plate
And the heating performance test of temperature control plate；
The temperature reduction performances of 6.1 temperature control plates test the following steps are included:
1) first passage for connecting the 5th solenoid valve and the 6th solenoid valve, connects interface 6.1 and interface 6.2, interface 6.8 with
6.7 connect in interface, realize cooling and heating to working solution respectively using cooling device and heating device, close temperature control plate and
The entrance of water jacket thermal insulator, interface 6.4 and interface 6.5 are closed, and realize the pre- circulation of cold liquid and hydrothermal solution；
2) when temperature sensor 11 reaches set temperature (high temperature), the 6th solenoid valve switches to second channel, interface 6.8
Channel is closed between interface 6.7；3rd electromagnetism the valve opening state, interface 6.4 are opened；1st solenoid valve is switched to closed state,
Interface 6.3 is closed；Interface 6.8 is connected to interface 6.4, and hydrothermal solution flows to interface 6.4 through interface 6.8, is entered after water jacket thermal insulator
6.3 second channel of interface enters hydrothermal solution storage device 13 after entering interface 6.7, and the certain body of certain temperature is passed through into water jacket thermal insulator
6th solenoid valve is switched to first passage, interface after the temperature that temperature sensor 4 measures reaches setting value by long-pending hydrothermal solution
6.8 disconnect with interface 6.4, connect with interface 6.7；
3) temperature sensor 15,17 and 16,18 real-time monitoring temperature control plate of pressure sensor inlet and outlet temperature conditions and liquid
Situation is pressed, the traffic conditions of 19 real-time monitoring temperature control plate import of flowmeter guarantee that the working solution for entering temperature control plate is constant temperature and pressure
And constant flow rate；
4) when temperature sensor 10 reaches set temperature (low temperature), the 5th solenoid valve switches to second channel, interface 6.1
It stops between interface 6.2；2nd solenoid valve switches to closed state, and interface 6.4 is closed, and interface 6.5 is opened, the 4th solenoid valve
Second channel is switched to, interface 6.6 is connected to interface 6.2；The cold liquid of cold liquid storage box 9 is laggard into interface 6.5 through interface 6.1
Enter temperature control plate and flow to interface 6.2 into cold liquid storage box 9 through interface 6.6 again, it is certain that certain temperature is constantly passed through into temperature control plate
The cold liquid of flow；
5) realize that the heat between temperature control plate and water jacket thermal insulator exchanges；
6) temperature change of internal liquid is measured to the real-time multiposition of temperature sensor 4 uniformly distributed inside water jacket thermal insulator；
7) temperature sensor 15 of temperature control plate inlet and the 17 real-time monitoring temperature control plate of temperature sensor in exit are utilized
The fluid temperature situation of inlet and exit；
8) pressure sensor 16 of temperature control plate inlet and the 18 real-time monitoring temperature control plate of pressure sensor in exit are utilized
The fluid pressure condition of inlet and exit；
9) acquisition for constantly carrying out data, until the temperature of water jacket thermal insulator drops to the temperature of a certain suitable battery work
(the suitable operating temperature of power battery is 35-45 DEG C under normal circumstances)；
10) heat output of calculating electric automobile power battery temperature control plate and heat transfer coefficient and water jacket thermal insulator's internal liquid
Drop to time-consuming situation when specific temperature, and then reacts the changing rule of the heat transfer temperature reduction performance and heat transfer of temperature control plate；
6.2 temperature control plates heat up performance test methods the following steps are included:
1) the 5th solenoid valve and the 6th solenoid valve are in an open state, and connect interface 6.1 and interface 6.2, interface 6.8 and interface
In 6.7 connect, realize cooling and heating to working solution respectively using cooling device and heating device, close temperature control plate and heat-insulated
The entrance of water tank, i.e. interface 6.5 and interface 6.4 are closed, and realize the pre- circulation of cold liquid and hydrothermal solution；
2) when temperature sensor 10 reaches set temperature (low temperature), the 5th solenoid valve is switched into second channel, interface
It is obstructed between 6.1 and interface 6.2；2nd solenoid valve is in an open state, and interface 6.4 is opened, and the 1st solenoid valve is in an open state, interface
It is connected between 6.2 and interface 6.3, cold liquid is flowed from interface 6.1 to interface 6.4, is flowed after water jacket thermal insulator 3 by interface 6.3
It is flowed into again after incoming interface 6.2 in cold liquid storage device 9, so that the cold liquid of certain temperature certain volume is passed through into water jacket thermal insulator,
5th solenoid valve is switched back into opening state, interface 6.1 is connected to interface 6.2, and cold liquid is no longer led in water jacket thermal insulator；
3) temperature sensor 15,17 and 16,18 real-time monitoring temperature control plate of pressure sensor inlet and outlet temperature conditions and liquid
Situation is pressed, the traffic conditions of 19 real-time monitoring temperature control plate import of flowmeter guarantee that the working solution for entering temperature control plate is constant temperature and pressure
And constant flow rate；
4) when temperature sensor 11 reaches set temperature (high temperature), the 6th solenoid valve switches to second channel, interface 6.7
Obstructed between interface 6.8, the 3rd solenoid valve switches to second channel, and the 4th solenoid valve is on-state, interface 6.8 and interface
6.5 connect, and interface 6.6 is connected with interface 6.7, and the hydrothermal solution in hydrothermal solution storage device 13 enters after interface 6.8 enters interface 6.5
In temperature control plate, then enter interface 6.7 through interface 6.6 and be back in hydrothermal solution storage device 13, to be constantly passed through into temperature control plate
The hydrothermal solution of certain temperature certain flow；
5) realize that the heat between temperature control plate and water jacket thermal insulator exchanges；
6) temperature change of internal liquid is measured to the real-time multiposition of temperature sensor 4 uniformly distributed inside water jacket thermal insulator；
7) temperature sensor 15 of temperature control plate inlet and the 17 real-time monitoring temperature control plate of temperature sensor in exit are utilized
The fluid temperature situation of inlet and exit；
8) pressure sensor 16 of temperature control plate inlet and the 18 real-time monitoring temperature control plate of pressure sensor in exit are utilized
The fluid pressure condition of inlet and exit；
9) acquisition for constantly carrying out data, until the temperature of water jacket thermal insulator rises to the temperature of a certain suitable battery work
(the suitable operating temperature of power battery is 35-45 DEG C under normal circumstances)；
10) heat output of calculating electric automobile power battery temperature control plate and heat transfer coefficient and water jacket thermal insulator's internal liquid
Time-consuming situation when specific temperature is risen to, and then reacts the changing rule of heat transfer the heating performance and heat transfer of temperature control plate.
Particular embodiments described above is only that preferred embodiments of the present invention are described, not to this
The range of utility model is defined, under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art
To the various changes and improvements that the technical solution of the utility model is made, it should all fall into what the utility model claims book determined
In protection scope.
Claims (5)
1. a kind of electric automobile power battery temperature control plate testing device for heat transferring performance, it is characterized in that it includes the temperature control set gradually
Plate (1), heat-conducting pad (2), water jacket thermal insulator (3), Measurement &control computer (5), part flow arrangement (6), flow pump (7,14), refrigerating plant
(8), heating device (12), cold liquid storage device (9), hydrothermal solution storage device (13), the first temperature sensor (15), second temperature
Sensor (17), third temperature sensor (4), the 4th temperature sensor (10), the 5th temperature sensor (11), first pressure pass
Sensor (16), second pressure sensor (18) and flowmeter (19), above-mentioned each component form circuit, cold liquid storage dress by pipeline
The outlet for setting (9) and hydrothermal solution storage device (13) is connected with the entrance of part flow arrangement (6) afterwards through flow pump (7,14), the shunting
The outlet of device (6) is connected with temperature control plate (1) and water jacket thermal insulator (3) respectively, the outlet stream of temperature control plate (1) and water jacket thermal insulator (3)
Through part flow arrangement (6), cold liquid storage device (9) and hydrothermal solution storage device (13) are finally flowed back to, the flowmeter (19) is located at
The inlet of temperature control plate；The heating device (12), refrigerating plant (8), flow pump (7,14), the electricity in part flow arrangement (6)
Magnet valve is connected with the output end of Measurement &control computer (5) respectively, the flowmeter (19), the first temperature sensor (15), second
Temperature sensor (17), third temperature sensor (4), the 4th temperature sensor (10), the 5th temperature sensor (11), the first pressure
Force snesor (16) and second pressure sensor (18) are connected with the input terminal of Measurement &control computer (5) respectively.
2. electric automobile power battery temperature control plate testing device for heat transferring performance according to claim 1, it is characterized in that described
Refrigerating plant (8), heating device (12), flow pump (7,14), cold liquid storage device (9) and hydrothermal solution storage device (13) pass through
Piping connection constitutes cold and hot source supply system；Flow pump (7,14), refrigerating plant (8), heating device (12) and the observing and controlling
The output end of computer (5) is connected, and the 4th temperature sensor (10), the 5th temperature sensor (11) are calculated with observing and controlling
The input terminal of machine (5) is connected.
3. electric automobile power battery temperature control plate testing device for heat transferring performance according to claim 1, it is characterized in that described
The first temperature sensor (15) and first pressure sensor (16) setting in the inlet of temperature control plate (1), second temperature
It spends sensor (17) and second pressure sensor (18) is arranged in the exit of temperature control plate (1), the third temperature sensor
(4) temperature of water jacket thermal insulator (3) internal liquid is measured, the 4th temperature sensor (10) measures cold liquid storage device (9)
Temperature, the temperature of described 5th temperature sensor (11) measurement hydrothermal solution storage device (13).
4. electric automobile power battery temperature control plate testing device for heat transferring performance according to claim 1, it is characterized in that described
Part flow arrangement (6) it is internal be equipped with 6 solenoid valves and 4 check valves in total, it is external that 8 interfaces are set in total, interface (6.1,
It 6.3,6.6,6.8) is 4 imports of part flow arrangement, interface (6.2,6.4,6.5,6.7) is 4 outlets of part flow arrangement, is shunted
The interface (6.1) of device is connected with the outlet of cold liquid storage device (9), the interface (6.2) and cold liquid storage device of part flow arrangement
(9) entrance is connected, and the interface (6.3) of part flow arrangement is connected with the outlet of water jacket thermal insulator (3), the interface (6.4) of part flow arrangement
It is connected with the entrance of water jacket thermal insulator (3), the interface (6.5) of part flow arrangement is connected with the entrance of temperature control plate (1), and part flow arrangement connects
Mouth (6.6) is connected with the outlet of temperature control plate (1), and the interface (6.7) of part flow arrangement is connected with the entrance of hydrothermal solution storage device (13),
The interface (6.8) of part flow arrangement is connected with the outlet of hydrothermal solution storage device (13), realizes following certainly for refrigerating plant and heating device
The cold liquid of ring, temperature control plate and water jacket thermal insulator and the circulation respectively of hydrothermal solution include six sets of independent circulation lines in total.
5. electric automobile power battery temperature control plate testing device for heat transferring performance according to claim 1, it is characterized in that passing through
The temperature change of described third temperature sensor (4) real-time measurement water jacket thermal insulator (3) the interior liquid, passes through first temperature
The temperature change of sensor (15) and second temperature sensor (17) real-time measurement temperature control plate (1) inlet and outlet liquid, and then calculate
The heat output and heat transfer coefficient of temperature control plate, react the heat transfer property of temperature control plate.
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| CN201821668722.4U CN208937522U (en) | 2018-10-15 | 2018-10-15 | A kind of electric automobile power battery temperature control plate testing device for heat transferring performance |
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| CN201821668722.4U CN208937522U (en) | 2018-10-15 | 2018-10-15 | A kind of electric automobile power battery temperature control plate testing device for heat transferring performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114965570A (en) * | 2022-07-30 | 2022-08-30 | 豫新汽车热管理科技有限公司 | Heat exchange performance test bed for direct cooling and direct heating plate of power battery |
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2018
- 2018-10-15 CN CN201821668722.4U patent/CN208937522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114965570A (en) * | 2022-07-30 | 2022-08-30 | 豫新汽车热管理科技有限公司 | Heat exchange performance test bed for direct cooling and direct heating plate of power battery |
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