CN216852654U

CN216852654U - ECU shell of protective capacitor structure

Info

Publication number: CN216852654U
Application number: CN202123114493.6U
Authority: CN
Inventors: 宋莉; 李祖元; 熊启利
Original assignee: Wuhan Eureka Control System Co ltd
Current assignee: Wuhan Eureka Control System Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-28
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of ECU shells, in particular to an ECU shell for protecting a capacitor structure, which solves the problem that the design of the ECU shell in the prior art is not reasonable enough; the electronic control unit comprises an ECU circuit board, a lower shell with a concave middle part for containing the ECU circuit board, and an upper shell which is covered on the lower shell and used for covering the ECU circuit board, wherein the middle part of the upper shell is provided with a socket, and one side of the upper shell, which is positioned at the socket, is provided with a first convex part for containing a capacitor on the ECU circuit board; the utility model discloses a design first bellying on last casing and hold the condenser position, have the protection cushion at the back design of first bellying and agree with the condenser shape, be equipped with the fixed glue between electric capacity and the protection cushion, fix the condenser in first bellying, the protection condenser is difficult for receiving external force and appears rocking, prevents that external stress from too big causing the advantage of damage.

Description

ECU shell of protective capacitor structure

Technical Field

The utility model relates to a ECU shell technical field, concretely relates to ECU shell of protective capacitor structure.

Background

An electronic Control unit (ecu) is composed of a Microprocessor (MCU), a memory (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), a large-scale integrated circuit (lsi) such as a shaping circuit and a driving circuit, and a housing. The fuel oil monitoring system is used as a key part of an engine management system and is used for detecting and controlling the normal work of an engine system, so that the optimal fuel oil economy is ensured, and the national exhaust emission standard is reached.

The ECU housing is an important component to ensure the controller circuit board operates properly. The ECU includes a housing and internal components, the internal components of which are mainly composed of a circuit board and a coil. The ECU shell directly influences the space arrangement of the controller circuit board and the components, so that the circuit board is well protected, fixed, waterproof, dustproof, heat-dissipating and the like. At present, an engine ECU shell is mainly installed in an engine compartment, and a capacitor with charging and discharging functions on a circuit board is easy to shake due to large size, so that damage is caused, and the service life of the circuit board is influenced. In summary, the protection of the capacitor is directly related to the service life of the ECU.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides a protection capacitor structure's ECU shell to solve among the prior art problem that ECU shell design is reasonable inadequately.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a ECU shell of protective capacitor structure, includes the ECU circuit board, still includes that the middle part is sunken to be used for holding the lower casing of ECU circuit board, locates with the lid lower casing is used for closing cap ECU circuit board's last casing, go up the casing middle part and seted up the socket, one side that the last casing lies in the socket is equipped with the first bellying that holds the electric capacity on the ECU circuit board.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a second bulge part for accommodating the capacitor on the ECU circuit board is arranged on the other side of the upper shell, which is positioned at the socket.

Furthermore, a protective cushion block covering the shape of the capacitor is arranged in the first protruding portion.

Furthermore, fixing glue is filled between the protection cushion block and the ECU circuit board.

Furthermore, heat dissipation fins are arranged on two sides of the socket and cover the first protruding portion and the second protruding portion, and the heat dissipation fins are higher than the first protruding portion and the second protruding portion.

Furthermore, a label sticking position without being covered by the heat dissipation fins is reserved on the first bulge.

Furthermore, an annular groove is formed in the lower shell, and an annular bulge connected with the annular groove in a clamped mode is formed in the upper shell.

Furthermore, reinforcing ribs which are arranged transversely and longitudinally at equal intervals are arranged at the bottom in the lower shell.

Furthermore, the periphery of the upper shell, which is positioned on the first protruding part, is provided with a fixed block, and the fixed block forms a U-shaped structure with the bottom edge close to the socket.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the utility model discloses a design first bellying on last casing and hold the condenser position, have at the back design of first bellying and agree with the condenser shape at the protection cushion, be equipped with the fixed glue between electric capacity and the protection cushion, fix the condenser in first bellying, the protection condenser is difficult for receiving external force and appears rocking, prevents that external stress from leading to the fact the advantage of damage excessively.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a bottom perspective view of the upper housing of FIG. 2;

in the drawings, the components represented by the respective reference numerals are listed below:

1. an ECU circuit board; 2. a lower housing; 3. an upper housing; 4. a socket; 5. a connector assembly; 6. a first boss portion; 7. a second boss portion; 8. protecting the cushion block; 9. heat dissipation fins; 10. labeling the place; 11. an annular groove; 12. an annular projection; 13. reinforcing ribs; 14. a fixed block; 15. and (4) a capacitor.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under", "below", "beneath", "below", "over", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

An ECU housing of a protection capacitor 15 structure as shown in fig. 1-3 includes an upper housing 3 and a lower housing 2, an ECU circuit board 1 is placed between the upper housing 3 and the lower housing 2, the lower housing 2 is a rectangular housing with a recessed middle portion, the ECU circuit board 1 is placed therein, the upper housing 3 is covered on the lower housing 2 for covering the ECU circuit board 1, a plurality of sockets 4 with a plurality of specifications are formed in the middle of the upper housing 3, connectors 5 corresponding to the ECU circuit board 1 are installed on the sockets 4, a first protrusion 6 for accommodating a capacitor 15 on the ECU circuit board 1 is arranged on one side of the upper housing 3 located at the sockets 4, and a recessed structure is correspondingly formed on the back of the first protrusion 6.

Specifically, the upper housing 3 is provided with a second protruding portion 7 at the other side of the socket 4 for accommodating a capacitor 15 on the ECU circuit board 1, and a concave structure is formed on the back surface of the second protruding portion 7.

Electric capacity 15 on ECU circuit board 1 generally is the cylinder structure, the cylinder has horizontal array to arrange and also has upright punctiform to arrange, first bellying 6 corresponds electric capacity 15 that horizontal array was arranged, in order to prevent that ECU circuit board 1 and last casing 3 contact are firm enough to take place easily to rock the collision inadequately, cause the problem that ECU circuit board 1 life-span reduces, this scheme is equipped with the protection cushion 8 that covers electric capacity 15 shape in first bellying 6, protection cushion 8 corresponds the cylinder electric capacity 15 that horizontal array was arranged, can fill the space between electric capacity 15, reduce the space of rocking. Preferably, a fixing glue is filled between the protection cushion block 8 and the ECU circuit board 1, so as to further enhance the fixing effect between the ECU circuit board 1 and the upper housing 3.

Specifically, the heat dissipation fins 9 are arranged on two sides of the socket 4 and used for dissipating heat of the ECU circuit board 1, the heat dissipation fins 9 cover the first protruding portion 6 and the second protruding portion 7, and meanwhile, the heat dissipation fins 9 are higher than the first protruding portion 6 and the second protruding portion 7, so that the heat dissipation effect can be effectively improved by the raised portions.

Preferably, the first protruding portion 6 is left with a label 10 without the heat dissipation fins 9.

Go up casing 3 and casing 2's fixed mode down except that screw hole and screw post thread tightening commonly used, annular groove 11 has been seted up on casing 2 down to this scheme, goes up the annular bulge 12 that is equipped with joint annular groove 11 on casing 3, goes up casing 3 and closes the back with casing 2 lid down, and annular groove 11 matches the joint with annular bulge 12, has strengthened fixed effect and has still made whole shell have certain waterproof dustproof ability.

Preferably, the bottom in the lower shell 2 is provided with reinforcing ribs 13 which are arranged transversely and longitudinally at equal intervals.

Preferably, the fixing block 14 is arranged on the periphery of the first protruding portion 6 of the upper shell 3, the fixing block 14 forms a U-shaped structure with the bottom edge close to the socket, and the heating pipe can be fixed on the fixing block 14 and used in some environments where the ECU circuit board 1 needs to be heated.

the utility model discloses a design first bellying 6 and hold electric capacity 15 ware positions on last casing 3, have at the back design of first bellying 6 and have protection cushion 8 to agree with electric capacity 15 ware shapes, be equipped with the fixed glue between electric capacity 15 and the protection cushion 8, fix electric capacity 15 ware in first bellying 6, protection electric capacity 15 ware is difficult for receiving external force and appears rocking, prevents the too big advantage that causes the damage of external stress.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The ECU shell of the protective capacitor structure comprises an ECU circuit board and is characterized by further comprising a lower shell, wherein the middle of the lower shell is sunken and used for containing the ECU circuit board, and an upper shell, which covers the lower shell and is used for covering the ECU circuit board, the middle of the upper shell is provided with a socket, and one side, located at the socket, of the upper shell is provided with a first protruding portion used for containing a capacitor on the ECU circuit board.

2. The ECU housing of a protective capacitor structure of claim 1, wherein the upper case on the other side of the socket is provided with a second boss portion for receiving a capacitor on the ECU circuit board.

3. The ECU housing of a protective capacitor structure of claim 1, wherein a protective pad covering a shape of a capacitor is provided in the first boss.

4. The ECU housing of the protective capacitor structure of claim 3, wherein a fixing glue is filled between the protective pad and the ECU circuit board.

5. The ECU housing of the protective capacitor structure of claim 1, wherein heat dissipation fins are disposed on two sides of the socket, the heat dissipation fins cover the first protrusion and the second protrusion, and the heat dissipation fins are higher than the first protrusion and the second protrusion.

6. The ECU housing of the protective capacitor structure of claim 1, wherein a label free from the heat sink fin cover is left on the first boss.

7. The ECU casing of a protective capacitor structure of claim 1, wherein the lower shell is provided with an annular groove, and the upper shell is provided with an annular protrusion for clamping the annular groove.

8. The ECU housing of a protective capacitor structure of claim 1, wherein the bottom inside the lower case is provided with reinforcing ribs arranged in a horizontal direction and a vertical direction at equal intervals.

9. The ECU housing of a protective capacitor structure of claim 1, wherein the upper case is provided with a fixing block at the periphery of the first protrusion, and the fixing block forms a U-shaped structure with a bottom edge close to the socket.