CN102529690A - Temperature control system and method - Google Patents

Temperature control system and method Download PDF

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Publication number
CN102529690A
CN102529690A CN2012100075051A CN201210007505A CN102529690A CN 102529690 A CN102529690 A CN 102529690A CN 2012100075051 A CN2012100075051 A CN 2012100075051A CN 201210007505 A CN201210007505 A CN 201210007505A CN 102529690 A CN102529690 A CN 102529690A
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China
Prior art keywords
temperature
cooling
control loop
electrokinetic cell
heating
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CN2012100075051A
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CN102529690B (en
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陈东
王永珠
李中华
陈志河
李超
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Chongqing Changan New Energy Automobile Technology Co Ltd
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Chongqing Changan Automobile Co Ltd
Chongqing Changan New Energy Automobile Co Ltd
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Abstract

The invention discloses a temperature control system and method. The temperature control system comprises a temperature controller which is used for controlling a cooling system, a heating system, a first control loop and a second control loop, and is sequentially connected with a battery manager, a motor controller, a vehicle-mounted charger and a direct current converter through a CAN (Controller Area Network), wherein the cooling system comprises an evaporator, an air-conditioning compressor, a condenser, a cooling fan and an expansion valve, and the heating system comprises an electric water pump, a heater and a heating core body; and the first control loop comprises a blower, the evaporator, the heating core body, and a power battery, and the second control loop comprises a radiator, the electric water pump, the direct current converter, the vehicle-mounted charger, the motor controller and a driving motor. Through the scheme provided by the invention, every power components of an electric vehicle can be ensured to work in an operating temperature range.

Description

A kind of temperature controlling system and method
Technical field
The present invention relates to electronlmobil temperature control technology field, particularly relate to a kind of temperature controlling system and method.
Background technology
Along with the exhausted day by day of global oil resources and to the raising day by day of emission request, the electronlmobil of comparing the environmental protection more economically of conventional automobile has become the design focal point of each big automobile vendor.The characteristic that relies on low power consuming, zero to be polluted, pure electric automobile becomes the primary selection of numerous automobile vendors.
In the evolution of electronlmobil; The adjustment of how Electric Vehicle being carried out suitable cooling or heating; So that Electric Vehicle is operated in the best temperature scope, as far as the work efficiency and life-span of whole electric automobile all be vital.For example: for the electrokinetic cell of electronlmobil, residing when too high or too low for temperature when it, its discharge rate, life-span etc. all can be adversely affected.
Therefore, temperature how effectively to control power system of electric automobile is a problem that merits attention.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of temperature controlling system and method, and with the temperature of achieve effective control Electric Vehicle, technical scheme is following:
A kind of temperature controlling system is applicable to electronlmobil, and said electronlmobil comprises: battery manager, electric machine controller, vehicle-mounted charge machine, and direct current transducer, this temperature controlling system comprises:
Through the CAN network successively with said battery manager, electric machine controller, vehicle-mounted charge machine, direct current transducer links to each other, the temperature controller of control cooling system, heating system, first control loop and second control loop;
Said cooling system comprises: evaporator, air-conditioning compressor, condenser, cooling fan, expansion valve; Wherein, After the refrigerants vaporize in the said evaporator of flowing through absorbs heat; Form high temperature and high pressure gas through said air-conditioning compressor; The cooling processing that said high temperature and high pressure gas receives the cold air that cooling fan brings during through said condenser forms low temperature high pressure gas, and said low temperature high pressure gas forms low-temp low-pressure liquid through said expansion valve, and flows into said evaporator vaporization and absorb heat;
Said heating system comprises: electric water pump, temperature booster, HVAC core body; Wherein, said electric water pump drives flow of cooling water, and said cooling water expansion tank carries out after thermal exchange is heated through temperature booster, the HVAC core body release heat of flowing through;
Said first control loop comprises: blowing engine, said evaporator, said HVAC core body, electrokinetic cell; Wherein, said blowing engine sucks outside air, and said outside air is flowed through successively and got into said electrokinetic cell in-to-in cooling passage behind said evaporator, the said HVAC core body;
Said second control loop comprises: radiator, electric water pump, direct current transducer, the mechanical, electrical machine controller of vehicle-mounted charge and drive motor; Wherein, the refrigerant of said radiator outlet output is driven by said electric water pump, behind the cooling channel of the said direct current transducer of flowing through successively, the mechanical, electrical machine controller of vehicle-mounted charge and drive motor, flows into the water inlet of said radiator.
Accordingly, the embodiment of the invention also provides a kind of temperature-controlled process, is applicable to electronlmobil, and said method comprises:
Receive the cooresponding current temperature value of each parts in the said electronlmobil; Said each parts comprise: electrokinetic cell, drive motor, electric machine controller, direct current transducer, vehicle-mounted charge machine;
When the Current Temperatures that obtains said electrokinetic cell when detection was higher than in first working temperature range high threshold, the control cooling system and first control loop carried out cooling processing to said electrokinetic cell;
When the Current Temperatures that obtains said electrokinetic cell when detection was lower than in said first working temperature range low threshold value, the control heating system and first control loop carried out furnace run to said electrokinetic cell;
When the Current Temperatures that obtains said drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine when detection is higher than in second working temperature range high threshold, controls said second control loop said drive motor, electric machine controller, direct current transducer, vehicle-mounted charge machine are carried out cooling processing.
In the technical scheme that the embodiment of the invention provided; Through the CAN network successively with battery manager, electric machine controller, the vehicle-mounted charge machine of electronlmobil; Direct current transducer links to each other; The temperature controller of control cooling system, heating system, first control loop and second control loop detects each power part in the electronlmobil; And when the Current Temperatures that detects a power part is not in the at service temperature scope, realize temperature adjusting to said power part through cooperatively interacting of control cooling system, heating system, first control loop or second control loop, guarantee that with this each power part is operated in the working temperature range in electronlmobil.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, 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 network connection diagram of a kind of temperature controlling system that the embodiment of the invention provided;
Fig. 2 is the structural representation of a kind of temperature controlling system that the embodiment of the invention provided;
Fig. 3 is the diagram of circuit of a kind of temperature-controlled process that the embodiment of the invention provided.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, 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 present invention's protection.
For each power part to electronlmobil medium power system carries out the efficient temperature regulation and control, the embodiment of the invention provides a kind of temperature controlling system and method.
At first a kind of temperature controlling system that the embodiment of the invention provided is introduced below.
As depicted in figs. 1 and 2, a kind of temperature controlling system is applicable to electronlmobil, and said electronlmobil comprises: battery manager 11, electric machine controller 12, vehicle-mounted charge machine 13, direct current transducer 14; This temperature controlling system comprises:
Through the CAN network successively with battery manager 11, electric machine controller 12, vehicle-mounted charge machine 13, direct current transducer 14 links to each other, the temperature controller 15 of control cooling system, heating system, first control loop and second control loop;
Cooling system can comprise: evaporator 201, air-conditioning compressor 202, condenser 203, cooling fan 204, expansion valve 205; The principle of work of this cooling system is: after the refrigerants vaporize in the evaporator 201 of flowing through absorbs heat; Form high temperature and high pressure gas through air-conditioning compressor 202; The cooling processing that this high temperature and high pressure gas receives the cold air that cooling fan 204 brings during through condenser 203 forms low temperature high pressure gas; This low temperature high pressure gas forms low-temp low-pressure liquid through expansion valve 205, and inflow evaporator 201 vaporization absorption heats, accomplishes once circulation;
Heating system can comprise: electric water pump 206, temperature booster 207, HVAC core body 208; The principle of work of this heating system is: electric water pump 206 drives flow of cooling water, and this cooling water expansion tank carries out after thermal exchange is heated through temperature booster 207, and HVAC core body 208 release heat of flowing through are accomplished once circulation;
First control loop can comprise: blowing engine 209, evaporator 201, HVAC core body 208, electrokinetic cell 210; Wherein, Utilize the principle of work of first control loop cooling electrokinetic cell 210 to be: blowing engine 209 sucks outside air; This outside air when flowing through evaporator 201 and cooling system carry out becoming cold air behind the interchange of heat; And, realize cooling processing to electrokinetic cell 210 with this via HVAC core body 208 entering electrokinetic cells 210 in-to-in cooling passages; Utilize the principle of work of first control loop heating electrokinetic cell 210 to be: blowing engine 209 sucks outside air; This outside air flow through successively evaporator 201, HVAC core body 208; Through HVAC core body 208 time and heating system carry out becoming hot air behind the interchange of heat; And get into electrokinetic cell 210 in-to-in cooling passages, realize furnace run with this to electrokinetic cell 210;
Second control loop can comprise: radiator 211, electric water pump 206, direct current transducer 14, vehicle-mounted charge machine 13, electric machine controller 12 and drive motor 212; Wherein, Second control loop to the principle of work that direct current transducer 14, vehicle-mounted charge machine 13, electric machine controller 12 and drive motor 212 carry out cooling processing is: the refrigerant of radiator 211 water outlets output is driven by electric water pump 206; Flow through successively behind the cooling channel of direct current transducer 14, vehicle-mounted charge machine 13, electric machine controller 12 and drive motor 212; The water inlet of inflow radiator 211 is accomplished once circulation.
In the temperature controlling system that the embodiment of the invention provided; Through the CAN network successively with battery manager, electric machine controller, the vehicle-mounted charge machine of electronlmobil; Direct current transducer links to each other; The temperature controller of control cooling system, heating system, first control loop and second control loop detects the Current Temperatures of each power part in the electronlmobil; And when the Current Temperatures that detects a power part is not in the at service temperature scope; Realize temperature adjusting through cooperatively interacting of control cooling system, heating system, first control loop or second control loop, guarantee that with this each power part is operated in the working temperature range in electronlmobil said power part.
It is understandable that temperature booster 207 can be the resistance heating wire, is not limited to the resistance heating wire certainly.
Further, as shown in Figure 2, the temperature controlling system that present embodiment provided can also comprise:
First triple valve 213, second triple valve 214, the 3rd triple valve 215, the 4th triple valve 216, first electromagnetic valve 217, second electromagnetic valve 218, first temperature sensor 219, second temperature sensor 220;
First triple valve 213 links to each other with radiator 211, first temperature sensor 219, second electromagnetic valve 218 respectively;
Second triple valve 214 links to each other with second electromagnetic valve 218, the 4th triple valve 216, temperature booster 207 respectively;
The 3rd triple valve 215 links to each other with vehicle-mounted charge machine 13, electric machine controller 12, first electromagnetic valve 217 respectively;
The 4th triple valve 216 links to each other with electric water pump 206, first electromagnetic valve 217, second triple valve 214 respectively;
First temperature sensor 219 links to each other with first triple valve 213, drive motor 212;
Second temperature sensor 220 links to each other with HVAC core body 208, temperature booster 207.
Can realize the circulation of liquid between the corresponding heating circuit of second control loop through first triple valve 213, second triple valve 214, the 3rd triple valve 215, the 4th triple valve 216, first electromagnetic valve 217, second electromagnetic valve 218, first temperature sensor 219, cooperatively interacting of second temperature sensor 220 with heating system.Concrete reciprocal process can for:
When heating system work and the work of second control loop; When if the Current Temperatures of the corresponding heating circuit of the heating system that second temperature sensor 220 is gathered is lower than the Current Temperatures of second control loop that first temperature sensor 219 gathered; Then open first electromagnetic valve 217 and second electromagnetic valve 218; After making that the refrigerant of second control loop flows out from drive motor 212 water outlets, flow through first triple valve 213 and second triple valve 214, the cooresponding heating circuit of entering heating system; The refrigerant of heating circuit flow through the 4th triple valve 216 and the 3rd triple valve 215 flow back in second control loop, with this temperature that realizes reducing the refrigerant of second control loop, simultaneously, improve the Current Temperatures of the liquid in the corresponding heating circuit of heating system.
Corresponding to the said temperature control system, the embodiment of the invention also provides a kind of temperature-controlled process.This method is applicable to the electronlmobil with temperature controlling system provided by the present invention.Wherein, suppose that cooresponding first working temperature range of electrokinetic cell is [t1, t2], and cooresponding second working temperature range of drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine is [t3, t4].Just, the high threshold of cooresponding first working temperature range of electrokinetic cell is t2, and low threshold value is t1; And the high threshold of drive motor, electric machine controller, direct current transducer or cooresponding second working temperature range of vehicle-mounted charge machine is t4, and low threshold value is t3.
Like Fig. 1, Fig. 2, shown in Figure 3, a kind of temperature-controlled process can comprise:
S101, temperature controller receives the cooresponding current temperature value of each parts in this electronlmobil through the CAN network;
When this electronlmobil being carried out temperature control, the low pressure that need at first carry out temperature controller powers on and initialization.In carrying out temperature controlled process, this temperature controller is through the current temperature value of each parts of CAN network reception, and wherein, each parts can comprise: electrokinetic cell, drive motor, electric machine controller, direct current transducer, vehicle-mounted charge machine.
Wherein, the cooresponding controller of each parts all links to each other with corresponding temperature sensor, after the cooresponding controller of each parts receives the current temperature value that respective temperature sensor gathers, will be sent to this temperature controller through the CAN network.It is understandable that temperature controller can carry out through the cooresponding current temperature value of each parts in this electronlmobil of CAN network reception in real time, also can regularly carry out.
S102 obtains the current temperature value ta of this electronlmobil medium power battery;
S103, the current temperature value ta that judges received electrokinetic cell whether in first working temperature range [t1, t2], when ta>t2, execution in step S104; When ta<t1, execution in step S105; Otherwise, do not deal with;
S104, the control cooling system and first control loop carry out cooling processing to this electrokinetic cell;
Wherein, as shown in Figure 2, the working process of said cooling system is:
After the refrigerants vaporize in the evaporator 201 of flowing through absorbs heat; Form high temperature and high pressure gas through air-conditioning compressor 202; The cooling processing that said high temperature and high pressure gas receives the cold air that cooling fan 204 brings during through condenser 203 forms low temperature high pressure gas; Said low temperature high pressure gas forms low-temp low-pressure liquid through expansion valve 205, and inflow evaporator 201 vaporizations absorb heat.
When the temperature t a of electrokinetic cell is higher than t2,, at this moment, need carry out cooling processing to this electrokinetic cell for normal operation and the service life that guarantees battery.Therefore, temperature controller will be controlled cooling system and first control loop carries out cooling processing to this electrokinetic cell:
Outside air is drawn in first control loop through ventilation inlet by blowing engine 209; When flowing through evaporator 201 and cooling system carry out interchange of heat, by being freezed, get into electrokinetic cell 210 in-to-in cooling passages then; Electrokinetic cell 210 is cooled off, accomplish once circulation.
S105, the control heating system and first control loop carry out furnace run to this electrokinetic cell;
Wherein, as shown in Figure 2, the working process of said heating system is: electric water pump 206 drives flow of cooling water, after said cooling water expansion tank heats through temperature booster 207, and HVAC core body 208 release heat of flowing through.
When the temperature t a of electrokinetic cell is lower than t1,, at this moment, need carry out furnace run to this electrokinetic cell for normal operation and the service life that guarantees battery.Therefore, temperature controller will be controlled heating system and first control loop carries out furnace run to this electrokinetic cell:
Outside air is drawn into first control loop by blowing engine 209 through ventilation inlet; When flowing through HVAC core body 208 and heating system carry out interchange of heat, be heated, get into electrokinetic cell 210 in-to-in cooling passages then; Electrokinetic cell 210 is heated, accomplish once circulation.
S106 obtains the current temperature value tb of drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine;
S107, whether the current temperature value tb that judges received drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine is at second working temperature range [t3, t4], if tb>t4, then execution in step S108; Otherwise do not deal with;
When the Current Temperatures tb of said drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine>t4,, then need carry out corresponding cooling processing in order to guarantee drive motor, electric machine controller, direct current transducer and vehicle-mounted charge machine normal operation; And when tb<t4, show that each parts are in the working temperature range, need not carry out cooling processing.It is understandable that when tb<t3, each parts also can normal operation, need not to carry out any processing.
S108 controls second control loop said drive motor, electric machine controller, direct current transducer, vehicle-mounted charge machine is carried out cooling processing.
Wherein, as shown in Figure 2, the working process of second control loop is:
The refrigerant of radiator 211 water outlets output is driven by electric water pump 206; Flow through successively behind the cooling channel of said direct current transducer 14, vehicle-mounted charge machine 13, electric machine controller 12 and drive motor 212; The water inlet of inflow radiator 211 is accomplished once circulation.
It is understandable that; The execution sequence of step S102 and step S106 is not limited to the described order of present embodiment; In practical application; Step S102 and step S106 can carry out simultaneously, to realize that electrokinetic cell, drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine are carried out temperature control simultaneously to be handled.
In the present embodiment; Temperature controller detects each power part in the electronlmobil; And when the Current Temperatures that detects a power part is not in the at service temperature scope; Realize temperature adjusting through cooperatively interacting of control cooling system, heating system, first control loop or second control loop, guarantee that with this each power part is operated in the working temperature range in electronlmobil said power part.
Need to prove; Said electrokinetic cell is carried out in the process of furnace run in the said heating system of control and first control loop; When said second control loop is worked; As shown in Figure 2, temperature-controlled process provided by the present invention can also comprise: whether the Current Temperatures of judging corresponding heating circuit in the said heating system is less than the current chilling temperature in this second control loop; If; Then open first electromagnetic valve 217 and second electromagnetic valve 218; So that the refrigerant in second control loop is after the outflow of drive motor 212 water outlets; Flow through first triple valve 213 and second triple valve 214 back gets into the cooresponding heating circuit of heating systems, and the refrigerant that gets into said heating circuit is flowed through and flowed back to said second control loop behind the 4th triple valve 216 and the 3rd triple valve 215; Otherwise, make first electromagnetic valve 217 and second electromagnetic valve 218 be in closed condition.Through above-mentioned interactive mode, can realize reducing the temperature of the refrigerant of second control loop, simultaneously, improve the Current Temperatures of the liquid in the corresponding heating circuit of heating system.
The above only is the specific embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. a temperature controlling system is applicable to electronlmobil, and said electronlmobil comprises: battery manager, electric machine controller, vehicle-mounted charge machine, and direct current transducer is characterized in that, this temperature controlling system comprises:
Through the CAN network successively with said battery manager, electric machine controller, vehicle-mounted charge machine, direct current transducer links to each other, the temperature controller of control cooling system, heating system, first control loop and second control loop;
Said cooling system comprises: evaporator, air-conditioning compressor, condenser, cooling fan, expansion valve; Wherein, After the refrigerants vaporize in the said evaporator of flowing through absorbs heat; Form high temperature and high pressure gas through said air-conditioning compressor; The cooling processing that said high temperature and high pressure gas receives the cold air that cooling fan brings during through said condenser forms low temperature high pressure gas, and said low temperature high pressure gas forms low-temp low-pressure liquid through said expansion valve, and flows into said evaporator vaporization and absorb heat;
Said heating system comprises: electric water pump, temperature booster, HVAC core body; Wherein, said electric water pump drives flow of cooling water, and said cooling water expansion tank carries out after thermal exchange is heated through temperature booster, the HVAC core body release heat of flowing through;
Said first control loop comprises: blowing engine, said evaporator, said HVAC core body, electrokinetic cell; Wherein, said blowing engine sucks outside air, and said outside air is flowed through successively and got into said electrokinetic cell in-to-in cooling passage behind said evaporator, the said HVAC core body;
Said second control loop comprises: radiator, electric water pump, direct current transducer, the mechanical, electrical machine controller of vehicle-mounted charge and drive motor; Wherein, the refrigerant of said radiator outlet output is driven by said electric water pump, behind the cooling channel of the said direct current transducer of flowing through successively, the mechanical, electrical machine controller of vehicle-mounted charge and drive motor, flows into the water inlet of said radiator.
2. system according to claim 1 is characterized in that, also comprises: first triple valve, second triple valve, the 3rd triple valve, the 4th triple valve, first electromagnetic valve, second electromagnetic valve, first temperature sensor, second temperature sensor;
Said first triple valve links to each other with said radiator, first temperature sensor, second electromagnetic valve respectively;
Said second triple valve links to each other with said second electromagnetic valve, the 4th triple valve, temperature booster respectively;
Said the 3rd triple valve links to each other with the mechanical, electrical machine controller of said vehicle-mounted charge, first electromagnetic valve respectively;
Said the 4th triple valve links to each other with said electric water pump, first electromagnetic valve, second triple valve respectively;
Said first temperature sensor links to each other with said first triple valve, drive motor;
Said second temperature sensor links to each other with said HVAC core body, temperature booster.
3. system according to claim 1 is characterized in that, said temperature booster is the resistance heating wire.
4. a temperature-controlled process is characterized in that, is applicable to electronlmobil, and said method comprises:
Receive the cooresponding current temperature value of each parts in the said electronlmobil; Said each parts comprise: electrokinetic cell, drive motor, electric machine controller, direct current transducer, vehicle-mounted charge machine;
When the Current Temperatures that obtains said electrokinetic cell when detection was higher than in first working temperature range high threshold, the control cooling system and first control loop carried out cooling processing to said electrokinetic cell;
When the Current Temperatures that obtains said electrokinetic cell when detection was lower than in said first working temperature range low threshold value, the control heating system and first control loop carried out furnace run to said electrokinetic cell;
When the Current Temperatures that obtains said drive motor, electric machine controller, direct current transducer or vehicle-mounted charge machine when detection is higher than in second working temperature range high threshold, controls said second control loop said drive motor, electric machine controller, direct current transducer, vehicle-mounted charge machine are carried out cooling processing.
5. method according to claim 4 is characterized in that, the working process of said cooling system is:
After refrigerants vaporize in the said evaporator absorbs heat; Form high temperature and high pressure gas through said air-conditioning compressor; The cooling processing that said high temperature and high pressure gas receives the cold air that cooling fan brings during through said condenser forms low temperature high pressure gas; Said low temperature high pressure gas forms low-temp low-pressure liquid through said expansion valve, and flows into said evaporator.
6. method according to claim 5 is characterized in that, said first control loop to the process of said electrokinetic cell cooling processing is:
Evaporator carries out interchange of heat with the outside air that is sucked by blowing engine, makes said outside air become cold air, and then gets into said electrokinetic cell in-to-in cooling air channel, to realize the cooling processing to said electrokinetic cell.
7. method according to claim 4 is characterized in that, the working process of said heating system is: said electric water pump drives flow of cooling water, after said cooling water expansion tank passes through heater heats, and the HVAC core body release heat of flowing through.
8. method according to claim 7 is characterized in that, said first control loop to the process of said electrokinetic cell furnace run is:
The HVAC core body carries out interchange of heat with the outside air that is sucked by blowing engine, makes said outside air become hot air, and then gets into said electrokinetic cell in-to-in cooling air channel, to realize the furnace run to said electrokinetic cell.
9. method according to claim 4 is characterized in that, the working process of said second control loop is:
The refrigerant of radiator outlet output is driven by electric water pump, behind the cooling channel of the said direct current transducer of flowing through successively, the mechanical, electrical machine controller of vehicle-mounted charge and drive motor, flows into the water inlet of said radiator.
10. method according to claim 4 is characterized in that, said method also comprises:
Said electrokinetic cell is carried out in the process of furnace run in the said heating system of control and first control loop; When said second control loop was worked, whether the Current Temperatures of judging the corresponding heating circuit of said heating system was less than the Current Temperatures in said second control loop; If; Then open first electromagnetic valve and second electromagnetic valve; So that the refrigerant in second control loop is after the outflow of drive motor water outlet; Flowing through gets into the cooresponding heating circuit of heating system behind first triple valve and second triple valve, and the refrigerant that gets into said heating circuit is flowed through and flowed back to said second control loop behind the 4th triple valve and the 3rd triple valve; Otherwise, make first electromagnetic valve and second electromagnetic valve be in closed condition.
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CN104112884A (en) * 2014-06-25 2014-10-22 华晨汽车集团控股有限公司 Soft package battery temperature control apparatus
CN104124481A (en) * 2013-04-26 2014-10-29 广州汽车集团股份有限公司 Charge control method and charge control system for electric automobiles
CN105932354A (en) * 2016-05-10 2016-09-07 北京长安汽车工程技术研究有限责任公司 Automobile power battery cooling system and electric automobile
CN106314110A (en) * 2016-09-12 2017-01-11 法乐第(北京)网络科技有限公司 Electric vehicle assembly cooling system and method and electric vehicle comprising system
CN107896464A (en) * 2016-09-29 2018-04-10 宁波三星智能电气有限公司 A kind of charging pile with heat sinking function
CN108116222A (en) * 2016-11-29 2018-06-05 长城汽车股份有限公司 Cooling system and vehicle
CN108140917A (en) * 2015-11-09 2018-06-08 株式会社电装 battery preheating system
CN108263233A (en) * 2018-01-24 2018-07-10 北京新能源汽车股份有限公司 A kind of cooling system of vehicle and vehicle
CN108284728A (en) * 2018-02-10 2018-07-17 山东国金汽车制造有限公司 A kind of pure electric automobile thermal management algorithm for interchangeable battery pack
CN108550960A (en) * 2018-05-15 2018-09-18 浙江吉利控股集团有限公司 Battery Low Temperature Thermal managing device and thermal management algorithm
CN108705956A (en) * 2018-04-24 2018-10-26 安徽江淮汽车集团股份有限公司 A kind of the electric machine controller temperature control system and method for electric vehicle
CN108909457A (en) * 2018-07-04 2018-11-30 北汽福田汽车股份有限公司 Electric car and its lower electric control method, device and system
CN110834514A (en) * 2019-09-26 2020-02-25 浙江合众新能源汽车有限公司 High-use-efficiency heat energy conversion system suitable for electric vehicle

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