CN102723535A - Heat control system and method of power battery - Google Patents
Heat control system and method of power battery Download PDFInfo
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- CN102723535A CN102723535A CN2012101990387A CN201210199038A CN102723535A CN 102723535 A CN102723535 A CN 102723535A CN 2012101990387 A CN2012101990387 A CN 2012101990387A CN 201210199038 A CN201210199038 A CN 201210199038A CN 102723535 A CN102723535 A CN 102723535A
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- 238000000034 method Methods 0.000 title claims description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000003570 air Substances 0.000 claims description 364
- 230000000052 comparative effect Effects 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 6
- 239000012080 ambient air Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 13
- 230000002977 hyperthermial effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
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- 239000007789 gas Substances 0.000 description 7
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- 238000001514 detection method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a heat control system of a power battery. When the power battery needs to be cooled, a controller turns on a first valve, a third valve and a second fan; a first air duct, a power battery and a third air duct form a gas passage; the first air duct inputs cold air into the power battery for cooling, and the cooled air is discharged by the third air duct; if the power battery needs to be heated, a second valve, a first fan and a fourth valve are turned on; a second air duct, the power battery, the first air duct and a fourth air duct form a gas passage; and the second air duct inputs hot air into the power battery for heating, and the heated air is conveyed back to the second air duct through the first air duct and the fourth air duct. The heat control system of the power battery can be used for performing real-time adjustment of the temperature of the power battery, and protecting the performance of the power battery. By adopting different cooling air ducts and heating air ducts, the external cold air or hot air is made full use to cool or heat the power battery, and the heat control efficiency is high.
Description
Technical field
The application relates to the new-energy automobile field, particularly a kind of thermal control system of electrokinetic cell and heat control method.
Background technology
New-energy automobile is meant all other energy automobiles except that gasoline, Diesel engine, at present new-energy automobile on sale hybrid vehicle commonly on the Chinese market.
Electrokinetic cell is the critical component of hybrid vehicle as the main energy-storage travelling wave tube in the hybrid vehicle, directly influences the performance of hybrid vehicle.Various environment such as high temperature, cold work down in the automobile, electrokinetic cell also need stand high and low temperature geometric ratio to be influenced than rugged environment, in the high and low temperature environment, can reduce battery performance and reduction of service life in the battery.
Like the sketch map of Fig. 1, heat and cooling system comprises: air inlet duct 001, heater 002, fan 003 and exhaust passage 004 by the wind circulation for present being generally of adopting of the thermal control of electrokinetic cell.When electrokinetic cell need heat; Be input into air from air inlet duct 001, air is through the hot-air that is heated into of heater 002, and the cold air of hot-air and electrokinetic cell exchanges; Electrokinetic cell is heated, and the air in the electrokinetic cell is discharged by exhaust passage 004 through passing through fan 003; When electrokinetic cell need cool off; From air inlet duct 001 input air, air themperature is lower, and the hot-air with electrokinetic cell behind the air entering electrokinetic cell exchanges; Electrokinetic cell is cooled off, and the air in the electrokinetic cell is discharged by exhaust passage 004 through passing through fan 003.
But, adopt above-mentioned wind circulation heating and cooling system, identical air channel is adopted in heating and cooling; Heats is bad; Energy in the process hot-air of battery is not fully used and has just been discharged outside the car, has both wasted valuable heat, has prolonged heating time again.
Summary of the invention
In view of this, the application provides a kind of thermal control system and heat control method of electrokinetic cell, through the lengthening circulation timei of hot-air in battery pack, heats is improved conserve energy.
The application also provides a kind of heat control method of electrokinetic cell, in order to guarantee realization and the application of above-mentioned control system in reality.
The application provides a kind of thermal control system of electrokinetic cell, and the thermal control system of said electrokinetic cell is applied to hybrid vehicle, comprising:
Controller;
First air channel that is connected with said electrokinetic cell respectively, second air channel and the 3rd air channel;
The 4th air channel that is connected with second air channel with said first air channel respectively;
Wherein, be provided with first valve in said first air channel;
Be provided with second valve and first fan in said second air channel;
Be provided with the 3rd valve and second fan in said the 3rd air channel;
Be provided with the 4th valve in said the 4th air channel;
Said controller; Be used for when the real time temperature of said electrokinetic cell is higher than first preset temperature value; Open said first valve and the 3rd valve, and control said second fan cool ambient air is imported said electrokinetic cell and passed through the discharge of said the 3rd air channel through said first air channel; When the real time temperature of said electrokinetic cell is lower than second preset temperature value; Open said second valve and the 4th valve, and control said first fan extraneous hot-air is imported said electrokinetic cell and passed second air channel back through first air channel and the 4th air channel through said second air channel.
The thermal control system of above-mentioned electrokinetic cell, preferred, said controller comprises:
The battery temperature detector is used to detect the real time temperature of said electrokinetic cell;
Comparative device is used for said real time temperature is compared with said first preset temperature value and second preset temperature value respectively;
First signal generator; Be used for when said real time temperature is higher than first preset temperature value; Send first signal of said first valve of control and the 3rd valve opening; When said real time temperature is lower than second preset temperature value, send the secondary signal of said second valve of control and the 4th valve opening;
The secondary signal generator is used for when said real time temperature is lower than said second preset temperature value, sending first enabling signal that starts first fan;
The 3rd signal generator is used for when said real time temperature is higher than said first preset temperature value, sending second enabling signal that starts second fan.
The thermal control system of above-mentioned electrokinetic cell, preferred, also comprise:
Heater is used for when the hot-air of said second air channel input does not satisfy the 3rd preset temperature value, with said hot air to the three preset temperature value.
The thermal control system of above-mentioned electrokinetic cell, preferred, said controller also comprises:
The air themperature detector is used for when electrokinetic cell is heated, and detects the temperature through the hot-air in second air channel in real time;
Determining device is used to judge whether satisfied the 3rd preset temperature value of temperature that said air themperature detector detects the hot-air that pass through second air channel that obtains;
The 4th signal generator is used for when said determining device judges that the hot-air of said second air channel input does not satisfy the 3rd preset temperature value, sends to start the heating starting signal that heater heats said hot-air.
The thermal control system of above-mentioned electrokinetic cell, preferred, said first enabling signal is the pulse width modulation (PWM) enable signal.
The thermal control system of above-mentioned electrokinetic cell, preferred, said second enabling signal is the pulse width modulation (PWM) enable signal.
The thermal control system of above-mentioned electrokinetic cell, preferred, said first valve, second valve, the 3rd valve and the 4th valve are electromagnetically operated valve.
A kind of heat control method of electrokinetic cell comprises:
Detect the temperature of electrokinetic cell in real time, and said real time temperature is compared with said first preset temperature value and second preset temperature value respectively;
When said comparison result is the temperature of electrokinetic cell when being higher than first preset temperature value, said electrokinetic cell is cooled off to said electrokinetic cell input cold air;
When said comparison result is the temperature of electrokinetic cell when being lower than second preset temperature value, said electrokinetic cell is heated to said electrokinetic cell input hot-air.
The heat control method of above-mentioned electrokinetic cell, preferred, to said electrokinetic cell input hot-air said electrokinetic cell is heated and to comprise:
The hot-air of subtend electrokinetic cell input carries out real time temperature and detects;
When the hot-air of said input does not satisfy the 3rd preset temperature value, said hot-air is warming up to said the 3rd preset temperature value;
With accomplishing the hot-air input electrokinetic cell that heats up, said electrokinetic cell is heated.
The application provides a kind of thermal control system of electrokinetic cell, comprising: controller; First air channel that is connected with said electrokinetic cell respectively, second air channel and the 3rd air channel; The 4th air channel that is connected with second air channel with said first air channel respectively; Wherein, be provided with first valve in said first air channel; Be provided with second valve and first fan in said second air channel; Be provided with the 3rd valve and second fan in said the 3rd air channel; Be provided with the 4th valve in said the 4th air channel; Said controller; Be used for when the real time temperature of said electrokinetic cell is higher than first preset temperature value; Open said first valve and the 3rd valve, and control said second fan cool ambient air is imported said electrokinetic cell and passed through the discharge of said the 3rd air channel through said first air channel; When the real time temperature of said electrokinetic cell is lower than second preset temperature value; Open said second valve and the 4th valve, and control said first fan extraneous hot-air is imported said electrokinetic cell and passed second air channel back through first air channel and the 4th air channel through said second air channel.Adopt the thermal control system of a kind of electrokinetic cell that the application provides, the cooling air channel of setting is with to add hot-flow flue different, makes full use of cool exterior air or hot-air and electrokinetic cell is cooled off or heats thermal control efficient height.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the application embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the application, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sketch map of prior art medium power battery wind circulation heating and cooling system;
Fig. 2 is the structural representation of the thermal control system embodiment 1 of a kind of electrokinetic cell of the application;
Fig. 3 is the concrete structure sketch map of the thermal control system embodiment 1 of a kind of electrokinetic cell of the application;
Air flow sketch map when Fig. 4 is thermal control system embodiment 1 electrokinetic cell is cooled off of a kind of electrokinetic cell of the application;
Air flow sketch map when Fig. 5 is thermal control system embodiment 1 electrokinetic cell is heated of a kind of electrokinetic cell of the application;
Fig. 6 is the structural representation of the thermal control system embodiment 2 of a kind of electrokinetic cell of the application;
Fig. 7 is the concrete structure sketch map of the thermal control system embodiment 2 of a kind of electrokinetic cell of the application;
Fig. 8 is the flow chart of the heat control method embodiment 1 of a kind of electrokinetic cell of the application;
Fig. 9 is the particular flow sheet of the heat control method embodiment 1 of a kind of electrokinetic cell of the application.
Embodiment
To combine the accompanying drawing among the application embodiment below, the technical scheme among the application embodiment is carried out clear, intactly description, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the application's protection.
The application provides a kind of thermal control system and control method of electrokinetic cell, and this thermal control system and control method are applied to hybrid vehicle.
Referring to Fig. 2; Show the structural representation of the thermal control system embodiment 1 of a kind of electrokinetic cell that the application provides, the thermal control system of said electrokinetic cell comprises: first air channel 101, first valve 102, second air channel 103, second valve 104, the 3rd air channel 105, the 3rd valve 106, the 4th air channel 107, the 4th valve 108, first fan 109, second fan 110 and controller 111.
One end in said first air channel 101 links to each other with automobile external, and the other end links to each other with electrokinetic cell, is used for feeding outside cold air to electrokinetic cell;
Said first valve 102 is arranged on first air channel 101, and the folding of first valve 102 is controlled the unlatching in said first air channel 101 or closed;
One end in said second air channel 103 links to each other with engine bin or blast pipe, and the other end links to each other with electrokinetic cell, is used for the hot-air of engine bin or blast pipe is fed electrokinetic cell;
Said second valve 104 is arranged on second air channel 103, and the folding of second valve 104 is controlled the unlatching in said second air channel 103 or closed;
One end in said the 3rd air channel 105 links to each other with electrokinetic cell, and the other end links to each other with automobile external, is used for the cold air or the hot-air that feed electrokinetic cell are discharged said thermal control system;
Said the 3rd valve 106 is arranged on the 3rd air channel 105, and the folding of the 3rd valve 106 is controlled the unlatching in said the 3rd air channel 105 or closed;
Said second fan 110 is arranged at the 3rd air channel 105, is used for the hot-air of electrokinetic cell is quickened the said thermal control system of output;
Said the 4th air channel 107 1 ends link to each other with first air channel 101, and the other end links to each other with second air channel 103, are used to be communicated with first air channel 101 and second air channel 103;
Said the 4th valve 108 is installed on the 4th air channel 107, and the folding of the 4th valve 106 is controlled the unlatching in said the 4th air channel 105 or closed;
Said first valve, second valve, the 3rd valve and the 4th valve are in normally off, adopt electromagnetically operated valve, can directly receive the signal of telecommunication that controller sends, and the switching of valve is regulated.
The temperature range of operation of preset electrokinetic cell; Be limited to first preset temperature value on the temperature range that should be preset, be limited to second preset temperature value down, when the real time temperature of electrokinetic cell is in this preset temperature range; The serviceabilities of electrokinetic cell etc. are unaffected, need not heat or cool off; When the real time temperature of electrokinetic cell exceeded this preset temperature range, the serviceability of electrokinetic cell etc. will be affected, and is corresponding, need heat or cools off it.
Said controller 111; Be used for when said real time temperature is higher than said first preset temperature value; Control said first valve 102, the 3rd valve 106 and second fan 110 and open, outside cold air feeds electrokinetic cells by first air channel 101, and discharges through the 3rd air channel 105; When said real time temperature is lower than said second preset temperature value; Controlling said second valve 104, the 4th valve 108 and first fan 109 opens; Outside hot-air feeds electrokinetic cell by second air channel 104; The cold air of hot-air and electrokinetic cell exchanges and passes second air channel 103 back through first air channel 101 and the 4th air channel 107, under the effect of second fan 110, continues to get in the electrokinetic cell again.
When said real time temperature is higher than said first preset temperature value; Said first valve 102 of controller 111 control, said the 3rd valve 106 and second fan 110 are opened; The path of gases is formed in first air channel 101, electrokinetic cell and the 3rd air channel 105; Second fan 110 will be discharged with the hot-air in the electrokinetic cell that the 3rd air channel 105 links to each other; The electrokinetic cell internal pressure reduces, and outside cold air gets into electrokinetic cells through first air channel 101, the exchange of flowing of the hot-air in the electrokinetic cell and outside cold air; Reduce the temperature of electrokinetic cell, the air in the electrokinetic cell (cold air that comprises hot-air and entering) is discharged through the 3rd air channel 105 under the effect of second fan 110;
When said real time temperature is lower than said second preset temperature value; Said second valve 104 of controller 111 control, said the 4th valve 108 and first fan 109 are opened, and the path of gases is formed in second air channel 103, electrokinetic cell, first air channel 101 and the 4th air channel 107, the outside hot-air of system under the effect of first fan 109 through said second air channel 103 entering electrokinetic cells; Hot-air rises in electrokinetic cell automatically; Cold air carries out convective heat exchange in hot-air and the electrokinetic cell, improves the temperature of electrokinetic cell, along with the hot-air that gets in the electrokinetic cell increases; The air through heat exchange in the electrokinetic cell is expelled to first air channel 101; Through being communicated with the 4th air channel 107 in first air channel 101 and second air channel 103, this air transfer of passing through heat exchange to second air channel 103, is got into electrokinetic cell once more with the hot-air that gets into second air channel 103 and carries out heat exchange; Hot air circulate makes full use of heat.
When controller detects the real time temperature obtain and in preset temperature range, promptly is lower than first preset temperature value and is higher than second preset temperature value, stop heating or cooling to electrokinetic cell, each valve of opening recovers closed condition.
Referring to concrete structure sketch map shown in Figure 3, said controller 111 comprises: battery temperature detector 1111, comparative device 1112, first signal generator 1113, secondary signal generator 1114 and the 3rd signal generator 1115.
Wherein, said battery temperature detector 1111 is used to detect the real time temperature of said electrokinetic cell;
Electrokinetic cell moves in automobile; When automobile is arranged in cold or during thermal environment, the temperature of electrokinetic cell also is affected, and carries out thermal control for electrokinetic cell is carried out temperature; Need the real time temperature of electrokinetic cell be detected, electrokinetic cell is carried out thermal control, adjustment according to real time temperature.
Wherein, said comparative device 1112 is used for said real time temperature is compared with first preset temperature value and second preset temperature value respectively;
The temperature range of the normal operation of electrokinetic cell can obtain according to the composition material of electrokinetic cell.
In the practical application, the temperature range upper limit of electrokinetic cell is generally about 55 ℃, and outdoor temperature is up to about 40 ℃, the outer air of car can be directly to the electrokinetic cell processing of lowering the temperature.
The temperature range of operation of preset electrokinetic cell; Be limited to first preset temperature value on the temperature range that should be preset, be limited to second preset temperature value down, when the real time temperature of electrokinetic cell is in this preset temperature range; The serviceabilities of electrokinetic cell etc. are unaffected, need not heat or cool off; When the real time temperature of electrokinetic cell exceeded this preset temperature range, the serviceability of electrokinetic cell etc. will be affected, and need heat or cooled off it.
Wherein, Said first signal generator 1113; When being used for comparison result when said comparative device 1112 and being said real time temperature and being higher than said first preset temperature value; Send first signal that said first valve 102 of control and the 3rd valve 106 are opened,, send the secondary signal of said second valve 104 of control and 108 unlatchings of the 4th valve when the comparison result of said comparative device 1112 is a said real time temperature when being lower than said second preset temperature value;
Wherein, said secondary signal generator 1114 is used for when said real time temperature is lower than said second preset temperature value, sending first enabling signal that starts first fan 109;
When said real time temperature is lower than said second preset temperature value; Need carry out heat treated to electrokinetic cell; When secondary signal generator 1114 sends first enabling signal of opening first fan 109, start first fan, the hot-air in second air channel 103 is blowed to electrokinetic cell; The heat exchange of flowing of the cold air of hot-air and electrokinetic cell, the temperature of electrokinetic cell raises.
Said first enabling signal is PWM (Pulse Width Modulation) enable signal; The real time temperature that obtains according to detection is regulated the duty ratio of this first enabling signal; Real time temperature is low more, and the big more with the duty ratio of enabling signal, and the opening time of first fan 109 in a time cycle is long more; Dwell time is short more, and is long more to the effective heating time of electrokinetic cell.
Wherein, said the 3rd signal generator 1115 is used for when said real time temperature is higher than said first preset temperature value, sending second enabling signal that starts second fan 110;
When said real time temperature is higher than said first preset temperature value; Need carry out cooling processing to electrokinetic cell; The 3rd signal generator 1115 sends second enabling signal of opening second fan 110, starts the hot-air that second fan 110 is extracted out in the electrokinetic cell, reduces the air pressure of electrokinetic cell; Make the exchange of flowing of hot-air and outside cold air in the electrokinetic cell, the temperature of reduction electrokinetic cell.
Said second enabling signal is the PWM enable signal; The real time temperature that obtains according to detection is regulated the duty ratio of this second enabling signal; Real time temperature is high more, and the duty ratio of second enabling signal is big more, and the opening time of second fan 110 in a time cycle is long more; Dwell time is short more, and is long more to effective cooling time of electrokinetic cell.
In actual the enforcement, controller can adopt electronic control unit ECU (Electronic Control Unit).
Referring to Fig. 4, show the air flow sketch map when electrokinetic cell cooled off, among the figure, arrow has been represented the flow direction of air.
Air outside gets into electrokinetic cell through first air channel 101, discharges real-time thermal control system through the 3rd air channel 105 again.
When the comparison result of comparative device 1112 is that the real time temperature of electrokinetic cell is when being higher than first preset temperature value; The performance of electrokinetic cell is vulnerable to temperatures involved; First signal generator 1113 sends first signal of control first valve 102 and 106 unlatchings of the 3rd valve; First valve 102 and the 3rd valve 106 are opened, second valve 103 and the 4th valve 108 state that keeps shut; The 3rd signal generator 1115 sends second enabling signal of opening second fan 109, and regulates the duty ratio of second enabling signal according to the real time temperature of electrokinetic cell; First air channel 101, electrokinetic cell and the 3rd air channel 105 have been communicated with the hot-air of automobile external cold air and electrokinetic cell; The hot-air of electrokinetic cell is extracted and discharged to second fan 110 out thermal control system through the 3rd air channel 105; Reduce the air pressure of electrokinetic cell; The outer cold air of automobile is transferred to electrokinetic cell through first air channel 101, makes the exchange of flowing of hot-air and outside cold air in the electrokinetic cell, the temperature of reduction electrokinetic cell; Accomplish the effect that cooled cold air receives second fan 110, discharge automobile through the 3rd air channel 105.
Referring to Fig. 5, show the air flow sketch map when electrokinetic cell heated, among the figure, arrow has been represented the flow direction of air.
Air outside gets into electrokinetic cell through second air channel 103, gets back to second air channel 103 through first air channel 101 and the 4th air channel 107 again, and air continues to get into electrokinetic cell, hot air circulate heat release.
When the comparison result of comparative device 1112 is that the real time temperature of electrokinetic cell is when being lower than second preset temperature value; The performance of electrokinetic cell is vulnerable to low temperature effect; First signal generator 1113 sends the secondary signal that control second valves 104 and the 4th valve 108 are opened, second valve 104 and 108 unlatchings of the 4th valve, and first valve 102 and the 3rd valve 106 state first valve 102 that keeps shut is close to a side outside the car being positioned at first air channel 101; First valve 102 is closed; First air channel 101 no longer links to each other with automobile external, and the 3rd valve 106 is closed, and the 3rd air channel 105 no longer links to each other with automobile external; Secondary signal generator 1114 sends first enabling signal of opening first fan 109, and regulates the duty ratio of first enabling signal according to the real time temperature of electrokinetic cell; Hot-air gets into electrokinetic cell under the effect of first fan 109; Cold air carries out convective heat exchange in hot-air and the electrokinetic cell, improves the temperature of electrokinetic cell, along with the hot-air that gets in the electrokinetic cell increases; The air through heat exchange in the electrokinetic cell is expelled to first air channel 101; Through being communicated with the 4th air channel 107 in first air channel 101 and second air channel 103, this air transfer of passing through heat exchange to second air channel 103, is got into electrokinetic cell once more with the hot-air that gets into second air channel 103 and carries out heat exchange under the effect of first fan 109; Hot air circulate makes full use of heat.
From the above; The thermal control system of a kind of electrokinetic cell that present embodiment provides comprises: first air channel, first valve, second air channel, second valve, the 3rd air channel, the 3rd valve, the 4th air channel, the 4th valve, first fan, second fan and controller.Controller is according to the real time temperature of electrokinetic cell; Said real time temperature is compared with said first preset temperature value and second preset temperature value respectively; When said real time temperature is higher than said first preset temperature value, open said first valve, the 3rd valve and second fan, the path of gas is formed in first air channel, electrokinetic cell and the 3rd air channel; Cool off to electrokinetic cell input cold air through said first air channel, and will cool off the back air and discharge through said the 3rd air channel; When said real time temperature is lower than said second preset temperature value; Open said second valve, first fan and the 4th valve; The path of gas is formed in second air channel, electrokinetic cell, first air channel and the 4th air channel; Heat to electrokinetic cell input hot-air through said second air channel, and the air after will heating is carried go back to said second air channel through said first air channel and said the 4th air channel.Temperature to electrokinetic cell is carried out real-time regulated, makes electrokinetic cell operate in the temperature range of normal operation, has protected the performance of electrokinetic cell.Adopt different cooling air channels and add hot-flow flue, make full use of cool exterior air or hot-air and electrokinetic cell is cooled off or heat, thermal control efficient height.
Referring to Fig. 6, show the structural representation of the thermal control system embodiment 2 of a kind of electrokinetic cell that the application provides, the structure of present embodiment is based on the structure of embodiment 1, also comprises: heater 112.
Referring to a concrete structure sketch map shown in Figure 7, said controller 111 also comprises: air themperature detector 1116, determining device 1117 and the 4th signal generator 1118.
Wherein, said air themperature detector 1116 is used for when electrokinetic cell is heated, and detects the temperature through the hot-air in second air channel 103 in real time;
When temperature of powered cell is lower than second preset temperature value; Need heat electrokinetic cell; For guaranteeing heats; When being not enough to electrokinetic cell is carried out Fast Heating from engine bin or the next hot air temperature of blast pipe annex transmission, need carry out being delivered to electrokinetic cell again after the hyperthermic treatment to this hot-air, electrokinetic cell is heated.
1116 pairs of air themperature detectors in the controller 111 detect through the temperature that second air channel 103 gets into the hot-air of electrokinetic cells in real time, and the real time temperature that detection obtains is transferred to determining device 1117 judges.
Wherein, said determining device 1117 is used to judge whether satisfied the 3rd preset temperature value of temperature that said air themperature detector detects the hot-air that pass through second air channel 103 that obtains;
Store the 3rd preset temperature value in the determining device 1117; When the hot air temperature from engine bin or the transmission of blast pipe annex satisfies the 3rd preset temperature value; Do not need this hot-air is carried out hyperthermic treatment, directly this hot-air is delivered to electrokinetic cell, electrokinetic cell is heated; When said hot air temperature does not satisfy the 3rd preset temperature value, when promptly the temperature of said hot-air is lower than the 3rd preset temperature value, need carry out hyperthermic treatment to said hot-air, make it to reach the 3rd preset temperature value.
Wherein, said the 4th signal generator 1118 is used for when said determining device 1117 judges that the hot-air of said second air channel, 103 inputs does not satisfy the 3rd preset temperature value, sends to start the heating starting signal that 112 pairs of said hot-airs of heater heat;
Wherein, Said heater 112 is arranged in second air channel 103; Be used for when the hot-air of said second air channel, 103 inputs does not satisfy the 3rd preset temperature value, receiving the heating starting signal that the 4th signal generator 1118 sends, said hot air is warming up to the 3rd preset temperature value.
When determining device 1117 foundations the 3rd preset temperature value; The temperature that air themperature detector 1116 is detected the hot-air that obtains is judged when not satisfying said the 3rd preset temperature value; Need 112 pairs of said hot-airs of heater to carry out hyperthermic treatment; This moment the 4th, signal generator 1118 sent the heating starting signal to heater 112; Heater 112 starts after receiving said heating starting signal, begins hot-air that gets into second air channel 103 and the air that comes through first air channel 101 and 107 transmission of the 4th air channel are heated, and said hot air is warming up to the 3rd preset temperature value.
From the above; The thermal control system of a kind of electrokinetic cell that present embodiment provides; When electrokinetic cell is heated; The air themperature detector detects the temperature through the hot-air in second air channel in real time, and when determining device judged that the hot-air of said second air channel input does not satisfy the 3rd preset temperature value, the 4th signal generator sent and starts the heating starting signal that heater heats said hot-air; Heater starts after receiving said heating starting signal, begins hot-air that gets into second air channel and the air that comes through first air channel and the transmission of the 4th air channel are heated.
The thermal control system embodiment of a kind of electrokinetic cell that provides with above-mentioned the application is corresponding, and the application also provides a kind of heat control method of electrokinetic cell.
Referring to Fig. 8, show the flow chart of the heat control method embodiment 1 of a kind of electrokinetic cell that the application provides, comprising:
Step S101: detect the temperature of electrokinetic cell in real time, and said real time temperature is compared with said first preset temperature value and second preset temperature value respectively;
Electrokinetic cell moves in automobile; When automobile is arranged in cold or during thermal environment, the temperature of electrokinetic cell also is affected, and carries out thermal control for electrokinetic cell is carried out temperature; Need the real time temperature of electrokinetic cell be detected, electrokinetic cell is carried out thermal control, adjustment according to real time temperature.
The temperature range of the normal operation of electrokinetic cell can obtain according to the composition material of electrokinetic cell.
The temperature range of operation of preset electrokinetic cell, when the real time temperature of electrokinetic cell was in this preset temperature range, the serviceability of electrokinetic cell etc. were unaffected, need not heat or cool off; When the real time temperature of electrokinetic cell exceeded this preset temperature range, the serviceability of electrokinetic cell etc. will be affected, and need heat or cooled off it.
Step S102:, said electrokinetic cell is cooled off to said electrokinetic cell input cold air when said comparison result is the temperature of electrokinetic cell when being higher than first preset temperature value;
When the temperature of said electrokinetic cell is higher than said first preset temperature value; Need carry out cooling processing to electrokinetic cell; Controller 111 sends first signal controlling, first valves 102 and opens with the 3rd valve 106, the path of first air channel 101, electrokinetic cell and the 3rd air channel 105 composition gases; Controller 111 sends second enabling signal of opening second fan 110; Start the hot-air that second fan 110 is extracted out in the electrokinetic cell; Reduce the air pressure of electrokinetic cell; Outside cold air gets into electrokinetic cells through first air channel 101, the exchange of flowing of the hot-air in the electrokinetic cell and outside cold air, the temperature of reduction electrokinetic cell.
Step S103:, said electrokinetic cell is heated to said electrokinetic cell input hot-air when said comparison result is the temperature of electrokinetic cell when being lower than second preset temperature value.
When the temperature of said electrokinetic cell is lower than said second preset temperature value; Need carry out heat treated to electrokinetic cell; Controller 111 sends secondary signals and controls second valve 104 and open with the 4th valve 108, the path of second air channel 103, electrokinetic cell, first air channel 101 and the 4th air channel 107 composition gases; Controller 111 sends first enabling signal of opening first fan 109, starts first fan 109, the hot-air that gets into second air channel 103 is blowed to electrokinetic cell the heat exchange of flowing of the cold air of hot-air and electrokinetic cell, the temperature of rising electrokinetic cell.
Referring to the particular flow sheet shown in Fig. 9, step S103 specifically comprises:
Step S1031: the hot-air of subtend electrokinetic cell input carries out real time temperature and detects;
When temperature of powered cell is lower than second preset temperature value; Need heat electrokinetic cell; For guaranteeing heats; When being not enough to electrokinetic cell is carried out Fast Heating from engine bin or the next hot air temperature of blast pipe annex transmission, need carry out being delivered to electrokinetic cell again after the hyperthermic treatment to this hot-air, electrokinetic cell is heated.
Temperature to getting into the hot-air of electrokinetic cell through second air channel 103 detects in real time.
When the hot air temperature from engine bin or the transmission of blast pipe annex satisfies the 3rd preset temperature value, do not need this hot-air is carried out hyperthermic treatment, directly this hot-air is delivered to electrokinetic cell, electrokinetic cell is heated; When said hot air temperature does not satisfy the 3rd preset temperature value, when promptly the temperature of said hot-air is lower than the 3rd preset temperature value, need carry out hyperthermic treatment to said hot-air, make it to reach the predeterminated position value.
Step S1032: when the hot-air of said input does not satisfy the 3rd preset temperature value, said hot-air is warming up to said the 3rd preset temperature value;
When satisfied the 3rd preset temperature value of the temperature of said hot-air; When promptly being lower than the 3rd preset temperature value; Controller 111 sends the heating starting signal to the heater that is arranged at second air channel 103 112; Heater 112 starts, and begins the hot-air that gets into second air channel 103 is carried out hyperthermic treatment, is warming up to said the 3rd preset temperature value.
Step S1033: will accomplish the hot-air input electrokinetic cell that heats up, said electrokinetic cell is heated.
Get into electrokinetic cell under the effect of hot-air first fan 109 in second air channel 103 of completion hyperthermic treatment; Hot-air rises automatically, and cold air carries out convective heat exchange in hot-air and the electrokinetic cell, improves the temperature of electrokinetic cell; Along with the hot-air that gets in the electrokinetic cell increases; With being expelled to first air channel 101 through the air of heat exchange in the electrokinetic cell, through being communicated with the 4th air channel 107 in first air channel 101 and second air channel 103, with this air transfer of passing through heat exchange to second air channel 103; Carrying out real time temperature with the hot-air that gets into second air channel 103 detects; When the air that gets into second air channel 103 (comprising the air in hot-air that gets into second air channel and the electrokinetic cell that comes through first air channel and the transmission of the 4th air channel) when being lower than the 3rd preset temperature value, after the heat temperature raising processing, getting into electrokinetic cell once more and carries out heat exchange; Hot air circulate makes full use of heat.
From the above, the heat control method of a kind of electrokinetic cell that present embodiment provides comprises: detect the temperature of electrokinetic cell in real time, and said real time temperature is compared with said first preset temperature value and second preset temperature value respectively; When said comparison result is that the temperature of electrokinetic cell is when being higher than first preset temperature value; Start first valve and the 3rd valve; Open the path that gas is formed in first air channel, electrokinetic cell and the 3rd air channel, to said electrokinetic cell input cold air said electrokinetic cell is cooled off through said cooling channel; When said comparison result is that the temperature of electrokinetic cell is when being lower than second preset temperature value; Start second valve and the 4th valve; Open the heat passage that adds of second air channel, electrokinetic cell, first air channel and the 4th air channel composition, to said electrokinetic cell input hot-air said electrokinetic cell is heated through the said heat passage that adds.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that same or similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the application.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. the thermal control system of an electrokinetic cell is characterized in that, the thermal control system of said electrokinetic cell is applied to hybrid vehicle, comprising:
Controller;
First air channel that is connected with said electrokinetic cell respectively, second air channel and the 3rd air channel;
The 4th air channel that is connected with second air channel with said first air channel respectively;
Wherein, be provided with first valve in said first air channel;
Be provided with second valve and first fan in said second air channel;
Be provided with the 3rd valve and second fan in said the 3rd air channel;
Be provided with the 4th valve in said the 4th air channel;
Said controller; Be used for when the real time temperature of said electrokinetic cell is higher than first preset temperature value; Open said first valve and the 3rd valve, and control said second fan cool ambient air is imported said electrokinetic cell and passed through the discharge of said the 3rd air channel through said first air channel; When the real time temperature of said electrokinetic cell is lower than second preset temperature value; Open said second valve and the 4th valve, and control said first fan extraneous hot-air is imported said electrokinetic cell and passed second air channel back through first air channel and the 4th air channel through said second air channel.
2. the thermal control system of electrokinetic cell according to claim 1 is characterized in that, said controller comprises:
The battery temperature detector is used to detect the real time temperature of said electrokinetic cell;
Comparative device is used for said real time temperature is compared with said first preset temperature value and second preset temperature value respectively;
First signal generator; Be used for when said real time temperature is higher than first preset temperature value; Send first signal of said first valve of control and the 3rd valve opening; When said real time temperature is lower than second preset temperature value, send the secondary signal of said second valve of control and the 4th valve opening;
The secondary signal generator is used for when said real time temperature is lower than said second preset temperature value, sending first enabling signal that starts first fan;
The 3rd signal generator is used for when said real time temperature is higher than said first preset temperature value, sending second enabling signal that starts second fan.
3. the thermal control system of electrokinetic cell according to claim 2 is characterized in that, also comprises:
Heater is used for when the hot-air of said second air channel input does not satisfy the 3rd preset temperature value, with said hot air to the three preset temperature value.
4. the thermal control system of electrokinetic cell according to claim 3 is characterized in that, said controller also comprises:
The air themperature detector is used for when electrokinetic cell is heated, and detects the temperature through the hot-air in second air channel in real time;
Determining device is used to judge whether satisfied the 3rd preset temperature value of temperature that said air themperature detector detects the hot-air that pass through second air channel that obtains;
The 4th signal generator is used for when said determining device judges that the hot-air of said second air channel input does not satisfy the 3rd preset temperature value, sends to start the heating starting signal that heater heats said hot-air.
5. the thermal control system of electrokinetic cell according to claim 4 is characterized in that, said first enabling signal is the pulse width modulation (PWM) enable signal.
6. the thermal control system of electrokinetic cell according to claim 4 is characterized in that, said second enabling signal is the pulse width modulation (PWM) enable signal.
7. the thermal control system of electrokinetic cell according to claim 1 is characterized in that, said first valve, second valve, the 3rd valve and the 4th valve are electromagnetically operated valve.
8. the heat control method of an electrokinetic cell is characterized in that, comprising:
Detect the temperature of electrokinetic cell in real time, and said real time temperature is compared with said first preset temperature value and second preset temperature value respectively;
When said comparison result is the temperature of electrokinetic cell when being higher than first preset temperature value, said electrokinetic cell is cooled off to said electrokinetic cell input cold air;
When said comparison result is the temperature of electrokinetic cell when being lower than second preset temperature value, said electrokinetic cell is heated to said electrokinetic cell input hot-air.
9. the heat control method of electrokinetic cell according to claim 8 is characterized in that, to said electrokinetic cell input hot-air said electrokinetic cell is heated to comprise:
The hot-air of subtend electrokinetic cell input carries out real time temperature and detects;
When the hot-air of said input does not satisfy the 3rd preset temperature value, said hot-air is warming up to said the 3rd preset temperature value;
With accomplishing the hot-air input electrokinetic cell that heats up, said electrokinetic cell is heated.
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