CN203537734U - Vehicle electronic control unit (ECU) shell - Google Patents
Vehicle electronic control unit (ECU) shell Download PDFInfo
- Publication number
- CN203537734U CN203537734U CN201320707141.8U CN201320707141U CN203537734U CN 203537734 U CN203537734 U CN 203537734U CN 201320707141 U CN201320707141 U CN 201320707141U CN 203537734 U CN203537734 U CN 203537734U
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- ecu
- fan
- cavity
- automobile
- resorption
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Abstract
The utility model discloses a vehicle ECU shell. The vehicle ECU shell comprises an upper cover plate, a lower cover plate and an ECU installing plate which form an ECU installation space, and also comprises a breathing sliding plate capable of sliding along a height direction of the ECU installation space and a fan. The breathing sliding plate divides the ECU installation space into an upper cavity and a lower cavity which are sealed and isolated with each other, and the ECU installing plate is located inside the upper cavity, and the upper cavity is isolated with the atmosphere. The lower cavity is communicated with the atmosphere, and the fan is also equipped with a drive circuit used for the power supply of the fan. A switch in series connection with the drive circuit of the fan is also arranged inside the lower cavity, and the fan is fixedly connected with the vehicle ECU shell. According to the utility model, the pressure in the upper cavity used for the installation of ECUs can be released rapidly when the ECUs heat thereby preventing the ECUs from being damaged due to internal pressure. The vehicle ECU shell of the utility model can cool forcedly, thereby preventing the ECUs from being damaged due to a high temperature, and facilitating guaranteeing the stable performances when the vehicle ECUs are used.
Description
Technical field
The utility model relates to auto parts and components field, particularly relates to a kind of automobile-used ECU shell.
Background technology
Development along with automobile industry, function as the electronic control unit for vehicles (ECU) of automobile " brain " deepens constantly, ECU gathers each transducer on automobile: as laggard row operations of data such as temperature sensor, pressure sensor, rotation sensor, flow sensor, position transducer, oxygen sensor, liquid level sensor, detonation sensor, retell result and be transformed into control signal, with braking controlled device, make correspondingly, the normal safe operation of automobile is being brought into play to huge effect.
For reduce the impact of external environment on ECU as far as possible, conscientiously guarantee its function of the permanently effective performance of ECU, existing ECU shell has carried out hermetically sealed protection to ECU, to avoid ECU caused damage to it by dust, liquid or other materials.Yet, be the interior heavy-duty service along with ECU of ECU shell of all-sealed structure, the heat that ECU produces is enough to allow ECU shell internal gas pressure rise, simultaneously, adopt the ECU shell of the nature type of cooling to be not enough to guarantee that ECU has timely, safe radiating effect, be unfavorable for the normal operation of ECU.
Utility model content
For in the above-mentioned ECU shell that is all-sealed structure along with the heavy-duty service of ECU, the heat that ECU produces is enough to allow ECU shell internal gas pressure rise, simultaneously, adopt the ECU shell of the nature type of cooling to be not enough to guarantee that ECU has timely, safe radiating effect, the problem that is unfavorable for the normal operation of ECU, the utility model provides a kind of automobile-used ECU shell.
For addressing the above problem, the automobile-used ECU shell that the utility model provides solves above technical problem by the following technical programs: automobile-used ECU shell, comprise the upper cover plate that forms ECU installing space, lower cover and ECU mounting panel, also comprise breathing slide plate and the fan that can slide along ECU installing space short transverse, and breathing slide plate is divided into ECU installing space to be mutually sealing isolated epicoele and cavity of resorption, ECU mounting panel is positioned at epicoele, and epicoele and atmospheric isolation, cavity of resorption communicates with atmosphere, on described fan, be also provided with the drive circuit for fan power supply, in cavity of resorption, be also provided with the switch of connecting with fan drive circuit, described fan is fixedly connected on automobile-used ECU shell.
The ECU mounting panel arranging is for the installation of ECU, is conducive to prevent that with the epicoele of atmospheric isolation extraneous moisture, dust or other materials from entering in epicoele to ECU, causes damage; And the breathing slide plate that can slide along ECU installing space short transverse produces heat in ECU work, in epicoele, press while increasing, breathe slide plate under gas pressure power to cavity of resorption one side shifting, thereby cavity space is increased, to reach the object of air pressure between balanced epicoele and atmosphere; The fan arranging is cooling for the pressure of ECU shell, is arranged on switch in cavity of resorption for starting or closing fan.
Further technical scheme is:
Described upper cover plate is tabular, described lower cover is tubbiness, upper cover plate is bolt with lower cover and is connected, ECU mounting panel is being breathed between slide plate and upper cover plate, also comprise the lead that axial direction is identical with ECU installing space short transverse direction, one end of described lead is fixedly connected on the end face of the breathing slide plate that is positioned at cavity of resorption side, is provided with the through hole passing for lead on lower cover, and the other end of lead is positioned at the outside of lower cover.
During this arranges, upper cover plate is connected the epicoele of fastening rear formation and atmospheric isolation with lower cover bolt, and gap between the through-hole wall passing for lead on lead and lower cover is the equal pressure passageway of cavity of resorption and atmosphere; Arranging of upper cover plate and lower cover shape is simple in structure, and processing and manufacturing and assembling are easily; Because the through hole on lower cover has limited the direction of motion of lead, make like this direction of motion of the breathing slide plate that links together with lead also be defined, be conducive to breathe the stability of skateboarding.
The axial direction of described lead is provided with centre bore, lead radial direction be provided with radial hole, and centre bore and radial hole are communicated with cavity of resorption and atmosphere.
The centre bore arranging and radial hole are for the air pressure between balanced cavity of resorption and atmosphere, like this, when breathing skateboarding, make the resistance of motion of breathing slide plate no longer be subject to the restriction in gap between through hole and lead, what thereby the gap between lead and through hole can be arranged is less, be conducive to lead to breathing the precision of skateboarding guiding, be conducive to the sealing property between epicoele and cavity of resorption.
Also comprise screen pack, described screen pack is fixedly connected on the port of export of centre bore.
The screen pack that is arranged on the port of export is conducive to prevent that foreign material or dust from entering cavity of resorption, be conducive to guarantee that lower cover madial wall is smooth, stop to breathe slide plate and because wear and tear, cause seal failure between epicoele and cavity of resorption too early in motion process, be conducive to guarantee the sealing property between epicoele and atmosphere.
On described through-hole wall, be also provided with annular groove, be provided with O type circle in annular groove, described lead is partly positioned at the inner circle of O type circle.
The O type circle arranging is intended to realize the sealing in via depth direction, and while making all to press between cavity of resorption and atmosphere, air can only pass through in centre bore and radial hole, guarantees that the air of turnover cavity of resorption all passes through the filtration of screen pack.
Described switch of connecting with fan drive circuit is comprised of with the contact being fixedly connected on breathing slide plate the length direction spring parallel with ECU installing space short transverse, spring is positioned at cavity of resorption, one end of spring is fixedly connected on lower cover, contact is positioned at directly over spring, and the wire at the two ends of switch is fixedly connected on respectively on spring and contact.
This arranges simple in structure, when contact is with breathing after skateboarding and spring contact, the drive circuit of fan is connected, fan is started working and ECU shell is forced cooling, concrete, and the distance between initial condition spring and contact can be arranged to 0.5 to 0.7 times of epicoele height, even if ambient temperature is in the time of 50 degrees Celsius, when contact and spring contact, now the temperature in epicoele also can not surpass 90 degrees Celsius, now to ECU shell carry out air blast cooling can avoid ECU because of high temperature impaired; This arranges simple in structure, can make fan and to stop according to upper cavity temperature operation.
On the side of described lower cover, be also provided with a plurality of fins.
The fin arranging is conducive to strengthen the heat-transfer effect between ECU shell and air, is conducive to the heat radiation of ECU.
The quantity of described ECU mounting panel is more than two.
This setting is intended to realize in epicoele can install plural ECU, to meet the increasing ECU needs of existing vehicle.
The utlity model has following beneficial effect:
1, the utility model is simple in structure, the breathing slide plate arranging is in epicoele, to press while increasing to cavity of resorption one lateral movement in ECU heating, is conducive to reduce in time the interior pressure in epicoele, simultaneously, breathe slide plate resistance in motion process little, be conducive to breathe slide plate and move in time and obtain good all pressures effect.
2, the fan arranging in the utility model is cooling for pressure of the present utility model, compared to prior art, the utility model can, by forcing cooling mode fast reducing temperature of the present utility model, be conducive to avoid cause because ECU temperature rise is too high its damage when all pressing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of automobile-used ECU shell told of the utility model;
Fig. 2 is the structural representation of the embodiment of automobile-used ECU shell lower cover told of the utility model.
Name corresponding to graphical indicia is called: 1, fan, 2, upper cover plate, 3, lower cover, 4, breathe slide plate, 5, lead, 6, ECU mounting panel, 7, fin, 8, epicoele, 9, screen pack.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment 1:
As depicted in figs. 1 and 2, the automobile-used ECU shell that the utility model provides, comprise the upper cover plate 2 that forms ECU installing space, lower cover 3 and ECU mounting panel 6, also comprise breathing slide plate 4 and the fan 1 that can slide along ECU installing space short transverse, and breathing slide plate 4 is divided into ECU installing space to be mutually sealing isolated epicoele 8 and cavity of resorption, ECU mounting panel 6 is positioned at epicoele 8, and epicoele 8 and atmospheric isolation, cavity of resorption communicates with atmosphere, on described fan 1, be also provided with the drive circuit for fan 1 power supply, in cavity of resorption, be also provided with the switch of connecting with fan 1 drive circuit, described fan 1 is fixedly connected on automobile-used ECU shell.
Concrete, in the present embodiment, the breathing slide plate 4 of setting comprises the slide plate body that is tabular and is arranged on the seal gasket of slide plate body surrounding, itself and the similar piston of matching relationship of ECU installing space and the matching relationship of piston cylinder.The ECU mounting panel 6 arranging is for the installation of ECU, is conducive to prevent that with the epicoele 8 of atmospheric isolation extraneous moisture, dust or other materials from entering in epicoele 8 to ECU, causes damage; And the breathing slide plate 4 that can slide along ECU installing space short transverse produces heat in ECU work, when the interior pressure of epicoele 8 increases, breathe slide plate 4 under gas pressure power to cavity of resorption one side shifting, thereby epicoele 8 spaces are increased, to reach the object of air pressure between balanced epicoele 8 and atmosphere; The fan 1 arranging is cooling for the pressure of ECU shell, is arranged on switch in cavity of resorption for starting or closing fan 1.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1 and Fig. 2, described upper cover plate 2 is tabular, described lower cover 3 is tubbiness, upper cover plate 2 is bolt with lower cover 3 and is connected, ECU mounting panel 6 is being breathed between slide plate 4 and upper cover plate 2, also comprise the lead 5 that axial direction is identical with ECU installing space short transverse direction, one end of described lead 5 is fixedly connected on the end face of the breathing slide plate 4 that is positioned at cavity of resorption side, on lower cover 3, be provided with the through hole passing for lead 5, the other end of lead 5 is positioned at the outside of lower cover 3.
During this arranges, upper cover plate 2 is connected the epicoele of fastening rear formation and atmospheric isolation with lower cover 3 bolts, for guaranteeing sealing effectiveness, on upper cover plate 2 and lower cover 3 mating surfaces, be also provided with sealing gasket or sealing ring, and gap between the through-hole wall passing for lead 5 on lead 5 and lower cover 3 is the equal pressure passageway of cavity of resorption and atmosphere; Upper cover plate 2 is simple in structure with arranging of lower cover 3 shapes, and processing and manufacturing and assembling are easily; Because the through hole on lower cover 3 has limited the direction of motion of lead 5, make like this direction of motion of the breathing slide plate 4 that links together with lead 5 also be defined, be conducive to breathe the stability of slide plate 4 motions.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 2, and as Fig. 1 and Fig. 2, the axial direction of described lead 5 is provided with centre bore, and 5 radial direction of lead is provided with radial hole, and centre bore and radial hole are communicated with cavity of resorption and atmosphere.
Also comprise screen pack 9, described screen pack 9 is fixedly connected on the port of export of centre bore.
On described through-hole wall, be also provided with annular groove, be provided with O type circle in annular groove, described lead 5 parts are positioned at the inner circle of O type circle.
The centre bore arranging and radial hole are for the air pressure between balanced cavity of resorption and atmosphere, like this, when breathing slide plate 4 motion, make the resistance of motion of breathing slide plate 4 no longer be subject to the restriction in gap between through hole and lead 5, what thereby the gap between lead 5 and through hole can be arranged is less, be conducive to 5 pairs of precision of breathing slide plate 4 motion guides of lead, be conducive to the sealing property between epicoele 8 and cavity of resorption.
The screen pack 9 that is arranged on the port of export is conducive to prevent that foreign material or dust from entering cavity of resorption, be conducive to guarantee that lower cover 3 madial walls are smooth, stop to breathe slide plate 4 and because wear and tear, cause seal failure between epicoele 8 and cavity of resorption too early in motion process, be conducive to guarantee the sealing property between epicoele 8 and atmosphere.
The O type circle arranging is intended to realize the sealing in via depth direction, and while making all to press between cavity of resorption and atmosphere, air can only pass through in centre bore and radial hole, guarantees that the air of turnover cavity of resorption all passes through the filtration of screen pack 9.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 2, as Fig. 1 and Fig. 2, described switch of connecting with fan 1 drive circuit is comprised of with the contact being fixedly connected on breathing slide plate 4 length direction spring parallel with ECU installing space short transverse, spring is positioned at cavity of resorption, one end of spring is fixedly connected on lower cover 3, contact is positioned at directly over spring, and the wire at the two ends of switch is fixedly connected on respectively on spring and contact.
On the side of described lower cover 3, be also provided with a plurality of fins 7.
The quantity of described ECU mounting panel 6 is more than two.
The setting of switch, when contact is with breathing after slide plate 4 motions and spring contact, the drive circuit of fan 1 is connected, fan 1 is started working and ECU shell is forced cooling, concrete, and the distance between initial condition spring and contact can be arranged to 0.5 to 0.7 times of epicoele height, even if ambient temperature is in the time of 50 degrees Celsius, when contact and spring contact, now the temperature in epicoele 8 also can not surpass 90 degrees Celsius, now to ECU shell carry out air blast cooling can avoid ECU because of high temperature impaired; This arranges simple in structure, can make fan 1 and to stop according to the interior temperature operation of epicoele 8.
The fin 7 arranging is conducive to strengthen the heat-transfer effect between ECU shell and air, is conducive to the heat radiation of ECU.
The setting of ECU mounting panel 6 quantity is intended to realize in epicoele 8 can install plural ECU, to meet the increasing ECU needs of existing vehicle.
Claims (8)
1. automobile-used ECU shell, comprise the upper cover plate (2) that forms ECU installing space, lower cover (3) and ECU mounting panel (6), it is characterized in that: also comprise breathing slide plate (4) and the fan (1) that can slide along ECU installing space short transverse, and breathing slide plate (4) is divided into ECU installing space to be mutually sealing isolated epicoele (8) and cavity of resorption, ECU mounting panel (6) is positioned at epicoele (8), and epicoele (8) and atmospheric isolation, cavity of resorption communicates with atmosphere, on described fan (1), be also provided with the drive circuit for fan (1) power supply, in cavity of resorption, be also provided with the switch of connecting with fan (1) drive circuit, described fan (1) is fixedly connected on automobile-used ECU shell.
2. automobile-used ECU shell according to claim 1, it is characterized in that: described upper cover plate (2) is tabular, described lower cover (3) is tubbiness, upper cover plate (2) is bolt with lower cover (3) and is connected, ECU mounting panel (6) is positioned to be breathed between slide plate (4) and upper cover plate (2), also comprise the lead (5) that axial direction is identical with ECU installing space short transverse direction, one end of described lead (5) is fixedly connected on the end face of the breathing slide plate (4) that is positioned at cavity of resorption side, on lower cover (3), be provided with the through hole passing for lead (5), the other end of lead (5) is positioned at the outside of lower cover (3).
3. automobile-used ECU shell according to claim 2, is characterized in that: the axial direction of described lead (5) is provided with centre bore, and the radial direction of (5) of lead is provided with radial hole, and centre bore and radial hole are communicated with cavity of resorption and atmosphere.
4. automobile-used ECU shell according to claim 3, is characterized in that: also comprise screen pack (9), described screen pack (9) is fixedly connected on the port of export of centre bore.
5. automobile-used ECU shell according to claim 3, is characterized in that: on described through-hole wall, be also provided with annular groove, be provided with O type circle in annular groove, described lead (5) part is positioned at the inner circle of O type circle.
6. automobile-used ECU shell according to claim 2, it is characterized in that: described switch of connecting with fan (1) drive circuit is comprised of with the contact being fixedly connected on breathing slide plate (4) the length direction spring parallel with ECU installing space short transverse, spring is positioned at cavity of resorption, one end of spring is fixedly connected on lower cover (3), contact is positioned at directly over spring, and the wire at the two ends of switch is fixedly connected on respectively on spring and contact.
7. automobile-used ECU shell according to claim 2, is characterized in that: on the side of described lower cover (3), be also provided with a plurality of fins (7).
8. according to the automobile-used ECU shell described in any one in claim 1 to 7, it is characterized in that: the quantity of described ECU mounting panel (6) is more than two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707141.8U CN203537734U (en) | 2013-11-11 | 2013-11-11 | Vehicle electronic control unit (ECU) shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707141.8U CN203537734U (en) | 2013-11-11 | 2013-11-11 | Vehicle electronic control unit (ECU) shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537734U true CN203537734U (en) | 2014-04-09 |
Family
ID=50423900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707141.8U Expired - Fee Related CN203537734U (en) | 2013-11-11 | 2013-11-11 | Vehicle electronic control unit (ECU) shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203537734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607861A (en) * | 2013-11-11 | 2014-02-26 | 成都市晶林电子技术有限公司 | Vehicle ECU housing |
-
2013
- 2013-11-11 CN CN201320707141.8U patent/CN203537734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607861A (en) * | 2013-11-11 | 2014-02-26 | 成都市晶林电子技术有限公司 | Vehicle ECU housing |
| CN103607861B (en) * | 2013-11-11 | 2016-06-15 | 成都市晶林电子技术有限公司 | Automobile-used ECU housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20191111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |