CN211702650U - Automobile-used ECU controller shell - Google Patents
Automobile-used ECU controller shell Download PDFInfo
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- CN211702650U CN211702650U CN202020249573.9U CN202020249573U CN211702650U CN 211702650 U CN211702650 U CN 211702650U CN 202020249573 U CN202020249573 U CN 202020249573U CN 211702650 U CN211702650 U CN 211702650U
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- upper shell
- damping pad
- ecu controller
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Abstract
The utility model belongs to the technical field of automotive electronics, concretely relates to automobile-used ECU controller shell. Comprises an upper shell, a lower shell, a sealant and a vibration damping pad; the upper shell is connected with the lower shell, sealing coating is carried out through sealant, and the periphery of the upper shell is fixed by a fastener; the vibration damping pads are arranged at the fixed mounting holes of the four upper shells; the device also comprises a pressure balance component, an electric connector and a grounding copper strip; the upper shell and the lower shell are both cast and processed by metal aluminum; the upper shell adopts an inward concave design; the utility model discloses compare current controller shell at leakproofness, anti-vibration impact, thermal diffusivity and anti-electromagnetic interference performance and all have the improvement, its operating temperature is-41- +85 ℃, and electromagnetic compatibility accords with GJB151B requirement, has better reliability, but wide application in multiple cross country vehicle type's engine, gearbox ECU controller shell.
Description
Technical Field
The utility model belongs to the technical field of automotive electronics, concretely relates to automobile-used ECU controller shell.
Background
With the continuous development of automobile electronic technology, the number of vehicle-mounted control systems is also increasing. The controller is used as a core component of a control system, and the design of a shell protection device of the controller is important. Particularly, the test and working environment are worse for an ECU (electronic control unit) controller of an off-road vehicle. The improvement of the reliability, shock vibration resistance and electromagnetic interference resistance of the controller shell is a problem which needs to be solved urgently in the technical field.
The existing controller shell design only focuses on the improvement of heat dissipation performance, and mainly considers that the controller shell is suitable for civil vehicles under good road conditions; for off-road vehicles, the test and working environmental conditions and road conditions are more complex and diversified, the reliability of the controllers cannot meet the use requirements, and the electric connectors cannot meet the electric performance requirements.
Patent document 1(CN202335160U) discloses a vehicle control unit housing, which does not seal a box body and a box cover, so that good dust-proof and water-proof protection cannot be performed on an internal controller PCB, and the internal controller has a risk of failure, thereby reducing the service life of the controller.
Patent document 2(CN204560084U) discloses a vehicle controller housing, in which a lower cover is directly and fixedly connected to a vehicle without a vibration damping structure, and cannot bear high-strength vibration impact under complex road conditions, which is very likely to cause physical damage to the controller. Patent document 3(CN206433288U) discloses a vehicle body controller housing structure, which focuses on convenience of assembling and disassembling a lift controller, but has a complicated structure and a high design cost.
Disclosure of Invention
The utility model provides a vehicle ECU controller shell is particularly useful for key power assembly electrical system such as engine, derailleur. The purpose is to promote the casing leakproofness, anti-vibration impact, thermal diffusivity and anti-electromagnetic interference performance, the life of extension controller.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
the pressure balance part is arranged on the side surface of the controller shell, and the air in the shell and outside the shell can circulate through the breathable filtering membrane, so that the pressure difference between the inside and outside of the shell is reduced, the sealing fatigue and the shell pressure are reduced to the minimum, and rainwater and dust can not pass through the pressure balance part, thereby improving the reliability of the controller and prolonging the service life of the controller; the electric connector adopts a high-reliability round metal connector conforming to GJB 2889; the controller shell improves the anti-electromagnetic interference performance through the grounding design.
An ECU controller shell for a vehicle comprises an upper shell 1, a lower shell 2, a sealant 3 and a damping pad 4;
the upper shell 1 is connected with the lower shell 2, sealing coating is carried out through a sealant 3, and the periphery is fixed by a fastener; the damping pad 4 is arranged at the four upper shell fixing and mounting holes 11.
The ECU controller shell for the vehicle also comprises a pressure balance component 5; the pressure equalizing member 5 is disposed at a side of the controller case.
The pressure balancing component 5 comprises a breathable filtering membrane 51 and a protective cover plate 52, the breathable filtering membrane 51 is adhered to the breathable holes 12, and the protective cover plate 52 is connected with the upper shell 1 through a fastener. The ECU controller shell for the vehicle also comprises an electric connector 6; the electric connector 6 is embedded in the upper shell of the controller.
The ECU controller shell for the vehicle also comprises a grounding copper strip 7; the grounding copper strip 7 is used for connecting the controller shell with the vehicle body ground.
In the technical scheme, the upper shell 1 and the lower shell 2 both adopt a metal aluminum casting processing mode.
In the technical scheme, the upper shell 1 adopts a concave design.
Compared with the prior art, the invention has the beneficial effects that:
an upper shell and a lower shell of an ECU controller for a vehicle are cast, sealed and coated by sealant, fixed by a fastener and well sealed; the vibration damping pads are arranged at the 4 upper shell fixing mounting holes of the upper shell, so that the vibration impact of the vehicle on the controller under complex alternating frequency is effectively relieved; the pressure balance part is arranged on the side surface of the shell, air inside and outside the shell can circulate through the breathable filtering membrane, so that the pressure difference between the inside and the outside of the shell is reduced, the sealing fatigue and the pressure of the shell are reduced to the minimum, and rainwater and dust cannot pass through the pressure balance part, so that the reliability of the controller is improved, and the service life of the controller is prolonged; the electric connectors are all high-reliability round metal connectors conforming to GJB 2889; the shell of the embedded electric connector adopts an inwards concave design, so that the attractiveness of the shell is improved, and the effective heat dissipation area of the shell is increased. The controller shell is bonded with the vehicle body through the grounding copper strip, so that the anti-electromagnetic interference performance is improved.
Compared with the existing controller shell, the automobile ECU controller shell has the advantages that the sealing performance, the vibration impact resistance, the heat dissipation performance and the electromagnetic interference resistance are improved, the working temperature is-41 ℃ to +85 ℃, the electromagnetic compatibility meets the GJB151B requirement, 10000km regional adaptability test and 15000km reliability test are completed on a certain off-road vehicle type, and the test verifies that the automobile ECU controller shell has better reliability, so that the automobile ECU controller shell can be widely applied to the engine and gearbox ECU controller shells of various off-road vehicle types.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a schematic diagram of an ECU controller housing for a vehicle according to the present invention;
fig. 2 is a side view of an ECU controller for a vehicle according to the present invention;
fig. 3 is a schematic view of the damping pad and the pressure balancing member according to the present invention.
In the figure:
1. the upper shell 2, the lower shell 3, the sealant 4, the damping pad 5, the pressure balancing component 6, the electric connector 7 and the grounding copper strip. 11. Upper casing fixing mounting hole 12, ventilation hole 41, steel sleeve 42, upper damping pad 43, lower damping pad 51, ventilation filter membrane 52 and protective cover plate
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
an ECU (electronic control Unit) controller housing for a vehicle, comprising: the device comprises an upper shell 1, a lower shell 2, sealant 3, a vibration damping pad 4, a pressure balance component 5, an electric connector 6 and a grounding copper strip 7. The upper shell 1 and the lower shell 2 both adopt a metal aluminum casting processing mode and are used for supporting and packaging an internal controller PCB, the purpose of the controller shell is to protect the PCB inside and play a role of electromagnetic shielding, sealing coating is carried out through the sealant 3, and the periphery is fixed by 16 fasteners; the damping pad 4 is arranged at 4 upper shell fixing mounting holes 11 of the shell; the pressure balance part 5 is arranged on the side surface of the controller shell; the electric connector 6 adopts a high-reliability round metal connector conforming to GJB2889 and is embedded in the controller shell. The grounding copper strip 7 is used for connecting the controller shell with the vehicle body ground.
Referring to the drawings, the embodiment of the present invention will be further described, and as shown in fig. 1, fig. 2 and fig. 3, the vehicle ECU controller housing mainly comprises an upper housing 1, a lower housing 2, a sealant 3, a damping pad 4, a pressure balancing component 5, an electrical connector 6 and a grounding copper strip 7.
The upper shell 1 and the lower shell 2 are cast and processed by metal aluminum, are sealed and coated by the sealant 3, and are fixed by 16 fasteners at the periphery, so that a good sealing effect is achieved;
and the sealing glue is filled into the sealing groove of the lower shell for sealing.
the pressure balance component 5 is arranged on the side face of the shell and comprises a breathable filtering membrane 51 and a protective cover plate 52, the breathable filtering membrane 51 is adhered to the breathable holes 12 through glue, and the protective cover plate 52 is connected with the upper shell 1 through a fastener and used for protecting the breathable filtering membrane 51 from being damaged. The air inside and outside the shell can circulate through the air-permeable filtering membrane 51, so that the pressure difference between the inside and the outside of the shell is reduced, the sealing fatigue and the shell pressure are reduced to the minimum, and rainwater and dust cannot pass through the pressure balance part 5, so that the reliability of the controller is improved, and the service life of the controller is prolonged;
the electric connectors 6 are all high-reliability circular metal connectors conforming to GJB2889, two of the three electric connectors adopt 62-channel phi 1mm pins, and one of the three electric connectors adopts 22-channel phi 2.3mm pins.
The upper shell 1 of the embedded electric connector 6 adopts a concave design, so that the attractiveness of the shell is improved, and the effective heat dissipation area of the shell is increased.
The shell of the electric controller is connected with the ground of the vehicle body through the grounding copper strip 7, so that the anti-electromagnetic interference performance is improved.
Claims (7)
1. An ECU controller housing for a vehicle, characterized in that: comprises an upper shell (1), a lower shell (2), sealant (3) and a damping pad (4);
the upper shell (1) is connected with the lower shell (2), sealing coating is carried out through a sealant (3), and the periphery of the upper shell is fixed by a fastener; the vibration damping pads (4) are arranged at the four upper shell fixing and mounting holes (11).
2. An ECU controller housing for a vehicle according to claim 1, characterized in that:
also comprises a pressure balancing component (5); the pressure balance part (5) comprises a breathable filtering membrane (51) and a protective cover plate (52), the breathable filtering membrane (51) is bonded with the breathable holes (12), and the protective cover plate (52) is connected with the upper shell (1) through a fastener.
3. An ECU controller housing for a vehicle according to claim 2, characterized in that:
also comprises an electrical connector (6); the electric connector (6) is embedded in the upper shell of the controller.
4. An ECU controller housing for a vehicle according to claim 3, characterized in that:
the device also comprises a grounding copper strip (7); the grounding copper strip (7) is used for connecting the controller shell with the vehicle body.
5. An ECU controller housing for a vehicle according to claim 4, characterized in that:
the upper shell (1) and the lower shell (2) both adopt a metal aluminum casting processing mode.
6. An ECU controller housing for a vehicle according to any one of claims 1 to 5, characterized in that:
the upper shell (1) adopts an inwards concave design.
7. An ECU controller housing for a vehicle according to claim 6, characterized in that:
the damping pad (4) comprises a steel sleeve (41), an upper damping pad (42) and a lower damping pad (43); the steel sleeve (41) with go up damping pad (42) damping pad (43) all are connected through interference fit down, damping pad (43) are connected through interference fit down with fixed mounting hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249573.9U CN211702650U (en) | 2020-03-04 | 2020-03-04 | Automobile-used ECU controller shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249573.9U CN211702650U (en) | 2020-03-04 | 2020-03-04 | Automobile-used ECU controller shell |
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| Publication Number | Publication Date |
|---|---|
| CN211702650U true CN211702650U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020249573.9U Active CN211702650U (en) | 2020-03-04 | 2020-03-04 | Automobile-used ECU controller shell |
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| Country | Link |
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| CN (1) | CN211702650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834189A (en) * | 2020-10-30 | 2021-05-25 | 一汽解放汽车有限公司 | Method for testing sealing performance of joint surface of driving axle housing |
| EP4092720A1 (en) | 2021-05-20 | 2022-11-23 | Aptiv Technologies Limited | Heat sink |
-
2020
- 2020-03-04 CN CN202020249573.9U patent/CN211702650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834189A (en) * | 2020-10-30 | 2021-05-25 | 一汽解放汽车有限公司 | Method for testing sealing performance of joint surface of driving axle housing |
| EP4092720A1 (en) | 2021-05-20 | 2022-11-23 | Aptiv Technologies Limited | Heat sink |
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