CN106020284A - Electric cooling system for electric car control system - Google Patents
Electric cooling system for electric car control system Download PDFInfo
- Publication number
- CN106020284A CN106020284A CN201610567931.9A CN201610567931A CN106020284A CN 106020284 A CN106020284 A CN 106020284A CN 201610567931 A CN201610567931 A CN 201610567931A CN 106020284 A CN106020284 A CN 106020284A
- Authority
- CN
- China
- Prior art keywords
- control system
- vehicle control
- electric
- electric vehicle
- fin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/021—Control thereof
- F25B2321/0212—Control thereof of electric power, current or voltage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an electric cooling system for an electric car control system. The electric cooling system comprises a radiating fin, a semiconductor refrigeration sheet having a surface generating high temperature and contacting with a heat radiation surface of the electric car control system and a surface generating low temperature and contacting with the bottom of the radiating fin, a temperature sensor for detecting the temperature of a controller casing, a CPU master control module, of which the input end is electrically connected with the output end of the temperature sensor, an optical coupler, of which the input end is electrically connected with the output end of the CPU master control module, and an MOS pipe, of which the G pole is electrically connected with the output end of the optical coupler, and the S pole is electrically connected with the semiconductor refrigeration sheet. Heat generated by a controller driving module is transmitted to the controller casing through the heat radiation surface of the driving module, and the surface, of the semiconductor refrigeration sheet, generating low temperature cools the controller casing. Heat generated by the surface, of the semiconductor refrigeration sheet, generating high temperature is transmitted to the radiating fin which irradiates heat into air.
Description
Technical field
The invention belongs to cooling technology field, be specifically related to a kind of electric cooling system for electric vehicle control system.
Background technology
Along with the policy of electric automobile enterprise is encouraged and unit, the appearance of the individual Chinese Financial Subsidy Policies buying electric automobile by country, the electric automobile that electric automobile manufacturing enterprise is produced, especially large power, electrically electrical automobile are more and more.The main parts of electric automobile are for driving motor, controller and accumulator battery.Electric automobile power is the biggest, and the power of the driving module used by electric vehicle controller is the biggest.In use, due to IGCT or the frequent opening and closing of IGBT, produced heat is more for powerful driving module.If heat produced by IGCT or IGBT distributes not in time, produced by IGCT or IGBT, heat will be accumulated, and promotes the temperature driving module to rise.The temperature driving module rises, and the consequence brought is that the efficiency of controller greatly reduces, and even controller self burns out due to too high temperature.
The method being used for reducing high-power electric automobile controller temperature at present is to be water-cooled system.Water cooling system is relatively big due to inertia coeffeicent, and radiating efficiency is relatively low, and especially water cooling system can not produce the absorption calorie source lower than ambient temperature, thus can not meet the regulation of big power controller temperature, finally affects the normal work of electric vehicle control system.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of electric cooling system for electric vehicle control system, the amount of heat of controller generation can be siphoned away the most efficiently thus reduce the operating temperature of controller.
For solving prior art problem, the invention discloses a kind of electric cooling system for electric vehicle control system, including:
Fin；
Semiconductor chilling plate, has the face producing high temperature and the face producing low temperature, and the face of generation low temperature contacts with the bottom surface of fin with the face of the cooling surface contacts of electric vehicle control system, generation high temperature；
Temperature sensor, for detecting the temperature of controller shell；
CPU main control module, its input electrically connects with the outfan of temperature sensor；
Optocoupler, its input electrically connects with the outfan of CPU main control module；
Metal-oxide-semiconductor, its G pole electrically connects with the outfan of optocoupler, S pole electrically connects with semiconductor chilling plate.
Preferably, the bottom surface of fin and the radiating surface of electric vehicle control system are respectively provided with and limit the depressed part that semiconductor chilling plate moves.
Preferably, the end face of fin has the most spaced some radiating ribs.
Preferably, electric vehicle control system includes controller shell, and the radiating surface of electric vehicle control system is the end face of controller shell.
Preferably, fin is bolted with controller shell, and between fin and controller shell, clamping has semiconductor chilling plate.
Preferably, temperature sensor is bolted on the inner surface of controller shell.
Preferably, spring shim it is additionally provided with between bolt and fixation.
The invention have the benefit that
1, control system drives the heat that module produces, by driving the radiating surface of module to be transmitted to controller shell, semiconductor chilling plate produces cooling down in the face of controller shell of low temperature, and semiconductor chilling plate produces that the face of high temperature produces is thermally conducted to fin, and fin is dispersed into heat in air.
2, the temperature of temperature sensor detection controller shell, and detection signal is transferred to CPU main control module, CPU main control module output pwm signal, pwm signal carries out break-make control to light Rhizoma Nelumbinis, light Rhizoma Nelumbinis signal controls the break-make of metal-oxide-semiconductor, and then the electrical current of control semiconductor chilling plate, the average electrical current size of semiconductor chilling plate directly affects the temperature difference in the face of its face producing high temperature and generation low temperature.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the present invention；
Fig. 2 is the upward view of fin in the present invention；
Fig. 3 is the front view of fin in the present invention；
Fig. 4 is the partial view that middle controller shell of the present invention installs semiconductor chilling plate position.
Reference:
1 fin；1.1 radiating ribs；1.2 first depressed parts；2 semiconductor chilling plates；3 controller shells；3.1 second depressed parts；4 drive module；5 temperature sensors；6CPU main control module；7 optocouplers；8MOS manages.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
In describing the invention, it will be appreciated that, term " radially ", " axially ", "left", "right", " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.In describing the invention, except as otherwise noted, the implication of " multiple " and " some " refers both to two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " setting ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
As shown in Figures 1 to 4, a kind of electric cooling system for electric vehicle control system, it is installed on controller shell 3, including:
Fin 1, its end face has some the most spaced radiating ribs 1.1, its bottom surface has the first depressed part 1.2, and the end face of controller shell 3 has the second depressed part 3.1.Fin 1 is bolted with controller shell 3, is fixed with semiconductor chilling plate 2 between fin 1 and controller shell 3.The effect of radiating ribs 1.1 is the area of dissipation expanding fin 1, increases radiating effect.
Semiconductor chilling plate 2, has the face producing high temperature and the face producing low temperature, and first depressed part 1.2 in face and fin 1 that the face producing low temperature contacted, produced high temperature with the second depressed part 3.1 of controller shell 3 contacts；Two depressed parts can limit it and move when coordinating with semiconductor chilling plate, thus realize good fixing.
Temperature sensor 5, is bolted on inner surface and the driving module 4 of close controller of controller shell 3, for detecting the temperature of controller shell 3；
CPU main control module 6, its input electrically connects with the outfan of temperature sensor 5.
Optocoupler 7, its input electrically connects with the outfan of CPU main control module 6.
Metal-oxide-semiconductor 8, its G pole electrically connects with the outfan of optocoupler 7, S pole electrically connects with semiconductor chilling plate 2.
Spring shim it is additionally provided with between bolt and fixation.
The operation principle of the present invention and process
Temperature signal S1 detected by temperature sensor 5 is by wire transmission to CPU main control module 6, and temperature signal is processed by CPU main control module 6, calculates temperature value.
The temperature of controller is the highest, the high level part of the pwm signal ripple of CPU main control module 6 output is the biggest, optocoupler 7 is transferred to signal S2 by wire the G pole of metal-oxide-semiconductor 8, the average time of metal-oxide-semiconductor 8 conducting is the longest, the average electrical current of semiconductor chilling plate 2 is the biggest, the refrigeration intensity of semiconductor chilling plate 2 is the biggest, and the heat radiation driving module 4 is the fastest.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (7)
1. the electric cooling system for electric vehicle control system, it is characterised in that: including:
Fin；
Semiconductor chilling plate, has the face producing high temperature and the face producing low temperature, and the face of generation low temperature contacts with the bottom surface of fin with the face of the cooling surface contacts of electric vehicle control system, generation high temperature；
Temperature sensor, for detecting the temperature of controller shell；
CPU main control module, its input electrically connects with the outfan of temperature sensor；
Optocoupler, its input electrically connects with the outfan of CPU main control module；
Metal-oxide-semiconductor, its G pole electrically connects with the outfan of optocoupler, S pole electrically connects with semiconductor chilling plate.
A kind of electric cooling system for electric vehicle control system the most according to claim 1, it is characterised in that: the bottom surface of fin and the radiating surface of electric vehicle control system are respectively provided with and limit the depressed part that semiconductor chilling plate moves.
A kind of electric cooling system for electric vehicle control system the most according to claim 1, it is characterised in that: the end face of fin has the most spaced some radiating ribs.
A kind of electric cooling system for electric vehicle control system the most according to claim 1, it is characterised in that: electric vehicle control system includes controller shell, and the radiating surface of electric vehicle control system is the end face of controller shell.
A kind of electric cooling system for electric vehicle control system the most according to claim 4, it is characterised in that: fin is bolted with controller shell, and between fin and controller shell, clamping has semiconductor chilling plate.
A kind of electric cooling system for electric vehicle control system the most according to claim 4, it is characterised in that: temperature sensor is bolted on the inner surface of controller shell.
7. according to a kind of electric cooling system for electric vehicle control system described in claim 5 or 6, it is characterised in that: it is additionally provided with spring shim between bolt and fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567931.9A CN106020284A (en) | 2016-07-19 | 2016-07-19 | Electric cooling system for electric car control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567931.9A CN106020284A (en) | 2016-07-19 | 2016-07-19 | Electric cooling system for electric car control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106020284A true CN106020284A (en) | 2016-10-12 |
Family
ID=57118328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610567931.9A Pending CN106020284A (en) | 2016-07-19 | 2016-07-19 | Electric cooling system for electric car control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106020284A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1126804A (en) * | 1997-06-30 | 1999-01-29 | Matsushita Electric Works Ltd | Photo coupler type semiconductor relay |
| CN201365389Y (en) * | 2008-12-31 | 2009-12-16 | 郑州宇通客车股份有限公司 | Vehicular electric control system and radiating device thereof |
| US20100270483A1 (en) * | 2009-04-23 | 2010-10-28 | Omron Corporation | Optical coupler |
| CN101885313A (en) * | 2010-07-14 | 2010-11-17 | 李辉 | Thermal management system of electric automobile |
| CN201853143U (en) * | 2010-09-10 | 2011-06-01 | 北京怡孚和融科技有限公司 | Laser radar temperature control device |
| CN205827265U (en) * | 2016-07-19 | 2016-12-21 | 南京工程学院 | A kind of electric cooling system for electric vehicle control system |
-
2016
- 2016-07-19 CN CN201610567931.9A patent/CN106020284A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1126804A (en) * | 1997-06-30 | 1999-01-29 | Matsushita Electric Works Ltd | Photo coupler type semiconductor relay |
| CN201365389Y (en) * | 2008-12-31 | 2009-12-16 | 郑州宇通客车股份有限公司 | Vehicular electric control system and radiating device thereof |
| US20100270483A1 (en) * | 2009-04-23 | 2010-10-28 | Omron Corporation | Optical coupler |
| CN101885313A (en) * | 2010-07-14 | 2010-11-17 | 李辉 | Thermal management system of electric automobile |
| CN201853143U (en) * | 2010-09-10 | 2011-06-01 | 北京怡孚和融科技有限公司 | Laser radar temperature control device |
| CN205827265U (en) * | 2016-07-19 | 2016-12-21 | 南京工程学院 | A kind of electric cooling system for electric vehicle control system |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161012 |