CN204696172U - A kind of driving mechanism and electric motor vehicle cell box - Google Patents
A kind of driving mechanism and electric motor vehicle cell box Download PDFInfo
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- CN204696172U CN204696172U CN201520272743.4U CN201520272743U CN204696172U CN 204696172 U CN204696172 U CN 204696172U CN 201520272743 U CN201520272743 U CN 201520272743U CN 204696172 U CN204696172 U CN 204696172U
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- air door
- piston
- heat conduction
- cylinder body
- electric motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a kind of driving mechanism and electric motor vehicle cell box, wherein driving mechanism comprises the heat conduction cylinder body that axis extends in left-right direction, in described heat conduction cylinder body, guiding movement is equipped with piston, and the closed chamber that piston and heat conduction cylinder body surround is filled with the gas that thermal coefficient of expansion is greater than 0.8%.Like this when the temperature of heat conduction cylinder body outside changes, heat conduction cylinder interior can be delivered to and make the volume expansion in seal chamber or contraction, thus make piston linear movement output, this driving mechanism structure is simple, do not need other set temperature transducer and control system simultaneously yet, be convenient to realize automation, easy to use.
Description
Technical field
the utility model relates to a kind of driving mechanism and electric motor vehicle cell box.
Background technology
The core energy of electric motor car is the battery of electric motor car, being determined by the operating ambient temperature of battery to a great extent with bad well of battery performance.Ambient temperature is too high and when exceeding highest standard temperature, battery is in the condition of high temperature, has larger impact like this on the life-span of battery, can cause battery failure time serious always; Ambient temperature too low and lower than minimum standard temperature time, the discharging efficiency of battery can reduce, and the most electric energy conversions causing battery are heat energy, substantially increase the power consumption of car load, affect cell discharge efficiency and use cost.
Authorization Notice No. is that the Chinese invention patent of CN103326084A discloses a kind of battery pack temperature control device and battery pack temperature control method, this device comprises closed Battery case, Battery case is provided with air door to be opened/closed, battery case is used for holding power brick, in power brick, can battery pack be set, power brick has air inlet and exhaust outlet, the air inlet of power brick and exhaust ports are respectively equipped with the blower fan for making power brick inside carry out air circulation, the air door of battery case is connected with temperature control equipment, when temperature control equipment detection battery the temperature inside the box reaches highest standard temperature, air door upset can be controlled open, doorway is divided into the two parts being respectively used to air intake and air-out by air door, thus realize the air circulation of battery case inside, lower the temperature in battery case, when temperature in temperature control equipment detection battery case inside is lower than minimum standard temperature, air door can be controlled close, thus be incubated in battery case.This battery temperature control device needs detect the temperature in battery case by transducer and realize opening and closing by controlling air door upset, and whole apparatus structure is complicated, and cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of driving mechanism, solves the electric motor vehicle cell box damper control complex structure of prior art, problem that cost is higher; The utility model additionally provides a kind of electric motor vehicle cell box using this driving mechanism.
Driving mechanism of the present utility model adopts following technical scheme: a kind of driving mechanism, comprise the heat conduction cylinder body that axis extends in left-right direction, in described heat conduction cylinder body, guiding movement is equipped with piston, and the closed chamber that piston and heat conduction cylinder body surround is filled with the gas that thermal coefficient of expansion is greater than 0.8%.
Electric motor vehicle cell box of the present utility model adopts following technical scheme: a kind of electric motor vehicle cell box, comprise the battery case housing and air door that are provided with air port, air door and driving mechanism are in transmission connection and open under the driving of driving mechanism or shutoff air door, described driving mechanism comprises the heat conduction cylinder body that axis extends in left-right direction, in described heat conduction cylinder body, guiding movement is equipped with piston, and the closed chamber that piston and heat conduction cylinder body surround is filled with the gas that thermal coefficient of expansion is greater than 0.8%.
Described air port has two and is located on former and later two relative walls of battery case housing respectively, has the linear pattern heat loss through convection passage in connection two air ports in battery case housing.
Described heat conduction cylinder body axis is arranged on battery case housing perpendicular to air port direction, and the output that air door and piston stretch out outside heat conduction cylinder body is in transmission connection.
Described battery case housing is provided with and moves at air door block to be carried out in the position of being opened completely in air port guide vane end stop to air door.
The gas pressure of gas in enclosed cylinder when highest standard temperature is maximumly stretch out pressure, gas pressure when minimum standard temperature is maximum retraction pressure, electric motor vehicle cell box also comprise for the gas pressure in airtight cavity be less than maximum stretch out pressure time coordinate with described piston block and air door is limited in shutoff tuyere position, gas pressure in airtight cavity be greater than maximum stretch out pressure time made the first gear shotpin in door opening air port by be allowed open air door by piston pushing tow; Electric motor vehicle cell box also comprise coordinate with described piston block when being less than maximum compression pressure for the gas pressure in airtight cavity and air door is limited in open tuyere position, gas pressure in airtight cavity made air door close the second gear shotpin in air port by allow open air door by piston pushing tow when being greater than maximum compression pressure.
Described first gear shotpin and second gear shotpin start by moving up in the side perpendicular to air door moving direction and remove the block to piston output.
Driving mechanism of the present utility model comprises heat conduction cylinder body, in heat conduction cylinder body, guiding movement is equipped with piston, the closed chamber that piston and heat conduction cylinder body surround is filled with the gas that thermal coefficient of expansion is greater than 0.8%, like this when the temperature of heat conduction cylinder body outside changes, heat conduction cylinder interior can be delivered to and make the volume expansion in seal chamber or contraction, thus make piston linear movement output, this driving mechanism structure is simple, do not need other set temperature transducer and control system simultaneously yet, be convenient to realize automation, easy to use.
Further, the air port on battery case housing has two and is located on former and later two walls of housing respectively, has the linear pattern heat loss through convection passage in connection two air ports in battery case, when two air doors are all in opening, convection effects is higher, and air flow property is better, and radiating effect is better.
Further, heat conduction cylinder body axis is arranged on battery case housing perpendicular to air port direction, the output that air door and piston stretch out outside heat conduction cylinder body is in transmission connection, the shell wall side that such driving mechanism drives air door to be parallel to place, air port moves just can be opened or shutoff air port, compact conformation, reduces the volume of battery case.
Further, the driving mechanism gas pressure be also included in enclosed cylinder is less than and maximumly stretches out pressure, stops the output of enclosed cylinder to carry out the block pin of stretching motion when being less than maximum retraction pressure, temperature like this in battery case raises but when not reaching maximum reference temperature, block pin can stop air door to move to open position, temperature in battery case reduces but when not being reduced to minimum sandards temperature, block pin can stop air door to move to closed displacement, the air door moment can not be caused like this to vary with temperature and move, affect result of use and useful life.
Accompanying drawing explanation
Fig. 1 is the vertical view of the embodiment one of electric motor vehicle cell box of the present utility model;
Fig. 2 is the structural representation that electric motor vehicle cell box air door is in opening;
Fig. 3 is the structural representation that electric motor vehicle cell box air door is in closed condition;
Fig. 4 is the fit structure schematic diagram of spacer pin and piston external part.
Embodiment
The embodiment one of electric motor vehicle cell box of the present utility model: as Figure 1-3, comprise battery case housing, the inside of battery case housing is used for placing multiple battery pack 1 side by side, before former and later two opposing sidewalls of battery case housing are respectively equipped with, rear air port, the inside of battery case has beeline channel between two air ports, linear pattern convection channel is formed when two air ports are opened completely, convection effects is better, air grid 2 is all equipped with in air port in front and back, on battery case housing correspond to front, the position in rear air port is also respectively equipped with air door 3, air door 3 is perpendicular to guiding movement on the direction of air port, also be provided with for before driving air door to move to realize in battery case housing, the driving mechanism that rear air port opens and closes, wherein, driving mechanism comprises enclosed cylinder 4, enclosed cylinder is located on the housing of side, air port, enclosed cylinder 4 extends at left and right directions and can at left and right directions linear movement output, enclosed cylinder comprises heat conduction cylinder body that axis extends at left and right directions and guiding movement and is assemblied in piston in heat conduction cylinder body, the output of piston stretches out the outside of heat conduction cylinder body, air door 3 is fixedly connected on the output of piston, the closed chamber that heat conduction cylinder body and piston surround is filled with the gas that thermal coefficient of expansion is 1%, when temperature in battery case changes, gas expansion in seal chamber or contraction drive air door to move left and right and realize being opened in air port or closing, air door at guiding movement to being in open position when opening the position in air port completely and being in closed position at guiding movement to when sealing the position in air port completely.
The gas pressure of gas when highest standard temperature in setting enclosed cylinder is maximumly stretch out pressure, gas pressure when minimum standard temperature is maximum retraction pressure, driving mechanism also comprise for the gas pressure in enclosed cylinder be less than maximum stretch out pressure time stop the output of piston to stretch out first gear shotpin and gas pressure in enclosed cylinder be less than maximum retraction pressure time stop output to be retracted second gear shotpin, in the present embodiment, first gear shotpin is the expansion block pin 5 when air door is in closed position, output being carried out to block, second gear shotpin is the compression block pin 6 when air door is in open position, output being carried out to block, temperature in battery case reduces gradually from high to low and will reach in the process of minimum standard temperature, gas volume in enclosed cylinder reduces gradually, pressure reduces gradually and is less than external atmosphere pressure, now the output of enclosed cylinder has the mobile trend of retraction, the output of compression block pin 6 pairs of enclosed cylinders carries out block, output is stoped to drive air door to move to closed displacement, until the temperature of battery case reaches minimum standard temperature, when gas pressure in enclosed cylinder reaches maximum retraction pressure, compression block pin 6 lost efficacy and no longer to output block, now air door can move to rapidly closed position and closed by air door under the drive of enclosed cylinder output, now the air port of battery case seals completely, that the temperature of battery pack is unlikely to too low, for battery pack insulation, temperature in battery case raises gradually and will reach in the process of highest standard temperature, gas volume in enclosed cylinder increases gradually, pressure increases gradually, now the output of enclosed cylinder has the mobile trend stretched out, the output of expansion block pin 5 pairs of enclosed cylinders carries out block, output is stoped to drive air door to move to open position, until the temperature in battery case reaches highest standard temperature, gas pressure in enclosed cylinder reaches maximum when stretching out pressure, expansion block pin 5 lost efficacy and no longer to output block, now air door can move to rapidly open position and opened by air door under the drive of the output of enclosed cylinder, now battery case is in communication with the outside by air port, to be advanced heat radiation by linear pattern heat loss through convection passage in vehicle operation, ensure that battery pack can not reach too high temperature, battery case housing is also provided with guide vane end stop 7, guide vane end stop 7 carries out block when air door moves from closed position to open position to it, stop mobile when making air door just be positioned at enable possition.
In the present embodiment, expansion block pin is identical with compression block latch structure, all comprise the spring be located on battery case housing, spring extends perpendicular to air door moving direction, the end of spring is connected with wedge shape dead bolt 60, dead bolt is used for coordinating with external part 8 block of piston, gas pressure in airtight cavity is greater than maximum compression pressure or is greater than maximum when stretching out pressure, the output of piston is supplied to the wedge shape dead bolt pressure identical with spring bearing of trend and by spring-compressed, dead bolt is retracted and is removed the block with piston output, and piston output can drive air door to move.
The embodiment two of electric motor vehicle cell box of the present utility model: be with the difference of embodiment one, the heat conduction cylinder body of driving mechanism to be arranged on battery case housing and to drive air door to realize unlatching or the closedown in air port by flip-flop movement, and the output that piston is positioned at outside heat conduction cylinder body is in transmission connection by linkage and air door.
The embodiment three of electric motor vehicle cell box of the present utility model: be with the difference of embodiment one, the air door on battery case housing has multiple, and lays respectively on four different walls of battery case housing, forms cross heat dissipation channel in battery case.
The embodiment four of electric motor vehicle cell box of the present utility model: be with the difference of embodiment one, first gear shotpin and second gear shotpin are electromagnetism pin, electromagnetism pin is provided with pressure sensor, pressure sensor detect the pressure of the piston output that electromagnetism pin is subject to be greater than maximum compression pressure or maximum stretch out pressure time, drive electromagnetism pin to move on the direction of air port and remove and the block of piston output.
The embodiment five of electric motor vehicle cell box of the present utility model: be with the difference of embodiment one, is filled with the gas that the coefficient of expansion is 0.8% in airtight cavity.
The embodiment six of electric motor vehicle cell box of the present utility model, is with the difference of embodiment one, is filled with the gas that the coefficient of expansion is 1.2% in airtight cavity.
Electric motor vehicle cell box of the present utility model drives air door rectilinear movement to realize the opening and closing in air port by driving mechanism, the shell wall side that air door only need be parallel to place, air port is arranged, effectively save the inner space of battery case, compact conformation, the change in volume occurred with the change of battery the temperature inside the box by gas in enclosed cylinder and then driving air door are moved, safe and reliable, easy to use, this electric motor vehicle cell box effectively can ensure that the temperature in battery case is in suitable temperature range, improves the useful life of battery pack.
The embodiment of driving mechanism of the present utility model: comprise heat conduction cylinder body and guiding movement and be assemblied in piston in heat conduction cylinder body, its concrete structure is identical with the driving mechanism structure in above-mentioned electric motor vehicle cell box embodiment, repeats no more herein.
Claims (7)
1. a driving mechanism, is characterized in that, comprises the heat conduction cylinder body that axis extends in left-right direction, and in described heat conduction cylinder body, guiding movement is equipped with piston, and the closed chamber that piston and heat conduction cylinder body surround is filled with the gas that thermal coefficient of expansion is greater than 0.8%.
2. an electric motor vehicle cell box, comprise the battery case housing and air door that are provided with air port, air door and driving mechanism are in transmission connection and open under the driving of driving mechanism or shutoff air door, it is characterized in that, described driving mechanism comprises the heat conduction cylinder body that axis extends in left-right direction, in described heat conduction cylinder body, guiding movement is equipped with piston, and the closed chamber that piston and heat conduction cylinder body surround is filled with the gas that thermal coefficient of expansion is greater than 0.8%.
3. electric motor vehicle cell box according to claim 2, is characterized in that, described air port has two and is located on former and later two relative walls of battery case housing respectively, has the linear pattern heat loss through convection passage in connection two air ports in battery case housing.
4. electric motor vehicle cell box according to claim 2, is characterized in that, described heat conduction cylinder body axis is arranged on battery case housing perpendicular to air port direction, and the output that air door and piston stretch out outside heat conduction cylinder body is in transmission connection.
5. electric motor vehicle cell box according to claim 4, is characterized in that, described battery case housing is provided with and moves at air door block to be carried out in the position of being opened completely in air port guide vane end stop to air door.
6. electric motor vehicle cell box according to claim 4, it is characterized in that, the gas pressure of gas in enclosed cylinder when highest standard temperature is maximumly stretch out pressure, gas pressure when minimum standard temperature is maximum retraction pressure, electric motor vehicle cell box also comprise for the gas pressure in airtight cavity be less than maximum stretch out pressure time coordinate with described piston block and air door is limited in shutoff tuyere position, gas pressure in airtight cavity be greater than maximum stretch out pressure time made the first gear shotpin in door opening air port by be allowed open air door by piston pushing tow; Electric motor vehicle cell box also comprise coordinate with described piston block when being less than maximum compression pressure for the gas pressure in airtight cavity and air door is limited in open tuyere position, gas pressure in airtight cavity made air door close the second gear shotpin in air port by allow open air door by piston pushing tow when being greater than maximum compression pressure.
7. electric motor vehicle cell box according to claim 6, is characterized in that, described first gear shotpin and second gear shotpin start by moving up in the side perpendicular to air door moving direction and remove the block to piston output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272743.4U CN204696172U (en) | 2015-04-30 | 2015-04-30 | A kind of driving mechanism and electric motor vehicle cell box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272743.4U CN204696172U (en) | 2015-04-30 | 2015-04-30 | A kind of driving mechanism and electric motor vehicle cell box |
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| Publication Number | Publication Date |
|---|---|
| CN204696172U true CN204696172U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272743.4U Active CN204696172U (en) | 2015-04-30 | 2015-04-30 | A kind of driving mechanism and electric motor vehicle cell box |
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| Country | Link |
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| CN (1) | CN204696172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704983A (en) * | 2016-02-25 | 2016-06-22 | 上海斐讯数据通信技术有限公司 | Auxiliary heat radiation device and home electronic device |
| CN106170192A (en) * | 2016-07-05 | 2016-11-30 | 联想(北京)有限公司 | A kind of electronic equipment |
-
2015
- 2015-04-30 CN CN201520272743.4U patent/CN204696172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704983A (en) * | 2016-02-25 | 2016-06-22 | 上海斐讯数据通信技术有限公司 | Auxiliary heat radiation device and home electronic device |
| CN106170192A (en) * | 2016-07-05 | 2016-11-30 | 联想(北京)有限公司 | A kind of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |