阅读说明：本技术 一种汽车电路板用外壳及汽车控制器 (Shell and automobile controller for automobile circuit board ) 是由 陈浩 于 2020-05-21 设计创作，主要内容包括：本发明提供了一种汽车电路板用外壳及汽车控制器,包括壳体、上盖及支架；壳体与上盖固定连接形成一容纳空间,容纳电路板；壳体内包括至少三个支柱,支柱中的至少两个用于固定电路板；壳体两侧包括第一定位板与第二定位板,第一定位板上具有第一定位孔与第二定位孔,第二定位板上具有第三定位孔与第四定位孔,壳体与支架通过第一定位孔、第二定位孔、第三定位孔、第四定位孔实现固定连接；第一定位孔、第二定位孔、第三定位孔、第四定位孔具有不同的尺寸以实现不同的固定强度。通过上述技术方案,使该汽车电路板用外壳能够适应不同的电路板大小及安装环境需求,在实现多适配的同时有效降低成本。(The invention provides a shell for an automobile circuit board and an automobile controller, which comprise a shell, an upper cover and a bracket, wherein the shell is provided with a plurality of through holes; the shell and the upper cover are fixedly connected to form an accommodating space for accommodating the circuit board; the shell comprises at least three support columns, wherein at least two of the support columns are used for fixing the circuit board; the two sides of the shell comprise a first positioning plate and a second positioning plate, the first positioning plate is provided with a first positioning hole and a second positioning hole, the second positioning plate is provided with a third positioning hole and a fourth positioning hole, and the shell is fixedly connected with the support through the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole; the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole have different sizes so as to realize different fixing strengths. Through the technical scheme, the shell for the automobile circuit board can adapt to different circuit board sizes and installation environment requirements, and effectively reduces cost while realizing multiple adaptations.)

1. A shell for an automobile circuit board is characterized by comprising a shell, an upper cover and a bracket;

the shell and the upper cover are fixedly connected to form an accommodating space for accommodating the circuit board;

the shell comprises at least three supporting columns, and at least two of the supporting columns are used for fixing the circuit board;

the two sides of the shell comprise a first positioning plate and a second positioning plate, the first positioning plate is provided with a first positioning hole and a second positioning hole, the second positioning plate is provided with a third positioning hole and a fourth positioning hole, and the shell and the bracket are fixedly connected through the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole;

the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole have different sizes so as to realize different fixing strengths.

2. A casing for a circuit board of an automobile according to claim 1, wherein the support posts in the case body include positioning support posts and auxiliary support posts, and the auxiliary support posts are arranged diagonally to the positioning support posts.

3. A casing for a circuit board of an automobile according to claim 2, wherein said positioning post is 1, said auxiliary posts are at least 2, and each of said auxiliary posts is arranged diagonally to said positioning post.

4. A casing for a circuit board of an automobile according to claim 1, wherein the first positioning hole and the third positioning hole have smaller diameters than the second positioning hole and the fourth positioning hole.

5. The vehicle circuit board casing according to claim 4, wherein the first positioning hole and the third positioning hole are for positioning, and the second positioning hole and the fourth positioning hole are for connecting with the bracket by screws; or the second positioning hole and the fourth positioning hole are used for positioning, and the first positioning hole and the third positioning hole are used for being connected with the bracket through screws.

6. A casing for automotive circuit boards according to claim 4 wherein said first positioning hole and/or said second positioning hole are round holes and said third positioning hole and/or said fourth positioning hole are waist-round holes.

7. The vehicle circuit board case according to claim 5,

the bracket is provided with a first positioning pin, a second positioning pin, a first mounting position and a second mounting position;

during installation, the first positioning pin is inserted into the first positioning hole, the second positioning pin is inserted into the third positioning hole, the first installation position and the second installation position respectively correspond to the second positioning hole and the fourth positioning hole, and the bracket is fixedly connected with the shell through a first screw; or the like, or, alternatively,

during installation, the first positioning pin is inserted into the second positioning hole, the second positioning pin is inserted into the fourth positioning hole, the first installation position and the second installation position respectively correspond to the first positioning hole and the third positioning hole, and the support is fixedly connected with the shell through a second screw.

8. The casing for the circuit board of the automobile according to claim 1, wherein the casing and the upper cover have a snap structure at corresponding positions, and the casing and the upper cover are connected by a snap; the upper cover also has a downwardly extending cover surface.

9. A casing for an automotive circuit board as described in claim 1, wherein said case has a welding rib surrounding an upper edge of the case.

10. An automobile controller having a housing for an automobile circuit board according to any one of claims 1 to 9, further comprising a circuit board having a mounting hole at a position corresponding to the post, the circuit board being fixedly connected to the housing through the post and the mounting hole; the shell further comprises a PIN foot, and the shell is electrically connected with the circuit board and an external circuit through the PIN foot.

Technical Field

The invention relates to the field of automobile circuit boards and controllers, in particular to a shell for an automobile circuit board and an automobile controller.

Background

Among the prior art, because the different installation environment of car inside results in different circuit boards to need to satisfy different vibration impact and waterproof dustproof demand, consequently need give the different shells of circuit board design, because of the different installation environment of needs adaptation of main control unit and sensor, satisfy corresponding vibration and waterproof dustproof demand, need different shell design protection inside circuit board in order to adapt to corresponding installation environment. In the prior art, there are two design schemes, one is that each circuit board and the housing are respectively designed into different products, for example, the controller and the sensor are independently designed into two products, the housing under the scheme is separately designed and has no universality, and the other scheme is that the universal housing is designed according to the highest specification by integrating the requirements of each product. The second solution can solve the problem of universality/adaptability, but the existing design solution adopts the design of the highest specification to meet the requirements of two products simultaneously, thus greatly increasing the cost.

Therefore, the shell for the automobile circuit board and the automobile controller provided by the invention can adapt to different circuit board sizes and installation environment requirements, effectively reduce the cost under the condition of meeting the application environment requirements of various products and solving the adaptability, and shorten the research and development period.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a housing for an automotive circuit board and an automotive controller, which can meet the requirements of different sizes of circuit boards and installation environments by designing a housing, an upper cover and a bracket, and effectively reduce the cost while achieving multiple adaptations.

Specifically, the invention provides a shell for an automobile circuit board on one hand, which comprises a shell, an upper cover and a bracket; the shell and the upper cover are fixedly connected to form an accommodating space for accommodating the circuit board; the shell comprises at least three supporting columns, and at least two of the supporting columns are used for fixing the circuit board; the two sides of the shell comprise a first positioning plate and a second positioning plate, the first positioning plate is provided with a first positioning hole and a second positioning hole, the second positioning plate is provided with a third positioning hole and a fourth positioning hole, and the shell and the bracket are fixedly connected through the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole; the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole have different sizes so as to realize different fixing strengths.

Preferably, in the casing for the circuit board of the vehicle, the support column in the casing includes a positioning support column and an auxiliary support column, and the auxiliary support column and the positioning support column are arranged diagonally.

Preferably, in the casing for the circuit board of the vehicle, the number of the positioning pillars is 1, the number of the auxiliary pillars is at least 2, and each of the auxiliary pillars and the positioning pillar are diagonally arranged.

Preferably, in the casing for the circuit board of the vehicle, the first positioning hole and the third positioning hole have smaller diameters than the second positioning hole and the fourth positioning hole.

Preferably, in the casing for the circuit board of the vehicle, the first positioning hole and the third positioning hole are used for positioning, and the second positioning hole and the fourth positioning hole are used for connecting with the bracket through screws; or the like, or, alternatively,

the second positioning hole and the fourth positioning hole are used for positioning, and the first positioning hole and the third positioning hole are used for being connected with the support through screws.

Preferably, in the casing for the circuit board of the automobile, the first positioning hole and/or the second positioning hole are circular holes, and the third positioning hole and/or the fourth positioning hole are/is a circular waist hole.

Preferably, in the casing for the circuit board of the vehicle, the bracket is provided with a first positioning pin, a second positioning pin, a first mounting position and a second mounting position;

during installation, the first positioning pin is inserted into the first positioning hole, the second positioning pin is inserted into the third positioning hole, the first installation position and the second installation position respectively correspond to the second positioning hole and the fourth positioning hole, and the bracket is fixedly connected with the shell through a first screw; or the like, or, alternatively,

during installation, the first positioning pin is inserted into the second positioning hole, the second positioning pin is inserted into the fourth positioning hole, the first installation position and the second installation position respectively correspond to the first positioning hole and the third positioning hole, and the support is fixedly connected with the shell through a second screw.

Preferably, in the casing for the circuit board of the vehicle, the casing and the upper cover have a snap structure at corresponding positions, and the casing and the upper cover are connected by a snap; the upper cover also has a downwardly extending cover surface.

Preferably, in the casing for an automotive circuit board, the case has a welding rib surrounding an upper edge of the case.

The invention also provides an automobile controller which is provided with any one of the shells for the automobile circuit board and also comprises a circuit board, wherein a mounting hole is formed in the position, corresponding to the support column, on the circuit board, and the circuit board is fixedly connected with the shell through the support column and the mounting hole; the shell further comprises a PIN foot, and the shell is electrically connected with the circuit board and an external circuit through the PIN foot.

After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:

1. the requirements of different sizes of circuit boards and the requirements of vibration impact and water and dust prevention of the installation environment can be met simultaneously;

2. the cost is effectively reduced while the multi-adaptation is realized;

3. the research and development period is shortened.

Drawings

FIG. 1 is a schematic diagram of a housing for an automotive circuit board in accordance with a preferred embodiment of the present invention;

FIG. 2 is a top view of a housing shell for an automotive circuit board in accordance with a preferred embodiment of the present invention;

FIG. 3 is a schematic view of a mounting circuit board of a housing for an automotive circuit board in accordance with a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a mounting circuit board of a housing for an automotive circuit board in accordance with another preferred embodiment of the present invention;

FIG. 5 is a schematic view of a bracket mounting of a housing for an automotive circuit board in accordance with a preferred embodiment of the present invention;

FIG. 6 is a schematic view of a bracket mounting of a housing for an automotive circuit board in accordance with another preferred embodiment of the present invention;

FIG. 7 is a schematic view of the top cover mounting of the housing for the circuit board of the vehicle in accordance with a preferred embodiment of the present invention;

fig. 8 is a schematic view showing the mounting of an upper cover of a housing for an automotive circuit board according to another preferred embodiment of the present invention.

Reference numerals:

1-shell

101-first positioning plate

102-second positioning plate

2-upper cover

3-support

4-Circuit Board

Detailed Description

The advantages of the invention are further illustrated in the following description of specific embodiments in conjunction with the accompanying drawings.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.

Referring to fig. 1, a schematic diagram of a housing structure for an automotive circuit board according to a preferred embodiment of the present invention includes a housing 1, an upper cover 2 and a bracket 3; the shell 1 and the upper cover 2 are fixedly connected to form an accommodating space for accommodating the circuit board 4; the shell 1 comprises at least three supporting columns, and at least two of the supporting columns are used for fixing the circuit board 4; the two sides of the shell 1 comprise a first positioning plate 101 and a second positioning plate 102, the first positioning plate 101 is provided with a first positioning hole and a second positioning hole, the second positioning plate 102 is provided with a third positioning hole and a fourth positioning hole, and the shell 1 and the bracket 3 are fixedly connected through the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole; the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole have different sizes so as to realize different fixing strengths.

Referring to fig. 2, in a preferred embodiment, a housing 1 includes at least two of 3 supports a1, a2, A3, and 3 supports a1, a2, and A3 for fixing a circuit board 4, such as a1-A3 or a1-a2-A3 or a2-A3, and two sides of the housing 1 include a first positioning plate 101 and a second positioning plate 102, wherein the first positioning plate 101 has a first positioning hole C1 and a second positioning hole C2, the second positioning plate 102 has a third positioning hole C3 and a fourth positioning hole C4, and the housing 1 is fixedly connected to a bracket 3 through the positioning holes. As shown in fig. 2, the first positioning hole C1, the second positioning hole C2, the third positioning hole C3 and the fourth positioning hole C4 have different sizes, and different fixing strengths can be achieved. If the requirement for large vibration impact is met, the large positioning holes are used for positioning by corresponding large screws, and if the vibration impact to be borne by the circuit board installation environment is small, the small positioning holes are used for positioning by corresponding small screws.

The number of the struts for fixing the circuit board 4 in the shell 1 is not limited, and can be more than 3, and different strut positions and numbers can be set according to the size of the circuit board which needs to be adapted.

The invention is not limited to the specific size, shape and size relationship of the first positioning hole C1, the second positioning hole C2, the third positioning hole C3 and the fourth positioning hole C4. Preferably, first positioning hole C1 is in diagonal relationship with third positioning hole C3, commensurate in size, and second positioning hole C2 is in diagonal relationship with fourth positioning hole C4, commensurate in size, i.e., the size of first positioning hole C1 corresponds to the size of third positioning hole C3, which is a relatively larger hole or a relatively smaller hole, and the size of second positioning hole C2 corresponds to the size of fourth positioning hole C4, which is a relatively smaller hole or a relatively larger hole.

Through this technical scheme, can adapt to different circuit board sizes and installation environment vibration simultaneously and strike and waterproof dustproof demand through a shell, effective reduce cost when satisfying many adaptations shortens the research and development cycle, need not every circuit board and all designs corresponding shell.

Based on the above embodiments, in a preferred embodiment consistent with the present invention, the pillars in the housing 1 include positioning pillars and auxiliary pillars, and the auxiliary pillars and the positioning pillars are arranged diagonally. In a preferred embodiment, as shown in fig. 2, the housing 1 includes 3 pillars a1, a2, A3, wherein the pillar A3 is a positioning pillar, the pillar a1 and the pillar a2 are both auxiliary pillars, the auxiliary pillars are diagonally arranged with respect to the positioning pillar, that is, the pillar A3 is diagonally arranged with respect to the pillar a1, and the pillar A3 is diagonally arranged with respect to the pillar a 2. That is, when the circuit board is mounted, if the circuit board is a small-sized circuit board, referring to fig. 3, the circuit board is fixed to the support column a2 through the support column A3, the support column A3 is a positioning support column, the support column a2 is an auxiliary support column, and the positioning support column A3 and the auxiliary support column a2 are located at a diagonal position of the circuit board 4; in the case of a large-sized circuit board, referring to fig. 4, the pillar A3 and the pillar a1 are fixed, the pillar A3 is a positioning pillar, the pillar a1 is an auxiliary pillar, and the positioning pillar A3 and the auxiliary pillar a1 are located at a diagonal position of the circuit board 4, but at this time, the pillar A3, the pillar a1 and the pillar a2 may be fixed at the same time. It should be noted that the positioning support and the auxiliary support are defined as the present application, the positioning support only means one end through which the circuit board 4 is fixed, and one end of all the circuit boards 4 loaded on the housing must be fixed to the positioning support, which causes the problem that the positions of the pins for transmitting the electric signals of the circuit boards 4 loaded on the housing to the system outside the housing are fixed for standardization and multi-adaptability, so that one ends of all the circuit boards 4 are fixed to the positioning support and transmit the electric signals through the pins near the positioning support. The support for fixing the other end of the circuit board 4 is an auxiliary support, i.e. the positioning support is common to each circuit board 4, one end of all circuit boards 4 must be fixed by the positioning support, and for different circuit boards 4, each auxiliary support is different. Preferably, for each circuit board 4, the auxiliary support is arranged diagonally with respect to the positioning support, i.e. the auxiliary support and the positioning support are located diagonally with respect to the circuit board 4.

Based on the above embodiments, in a preferred embodiment consistent with the present invention, there are 1 positioning support column and at least 2 auxiliary support columns, and each auxiliary support column is arranged diagonally to the positioning support column. The number of the support columns in the shell 1 is not limited, and the number of the support columns is not less than 3, based on the definition, the number of the positioning support columns is 1, the number of the auxiliary support columns is 1, the auxiliary support columns are different for adapting to the sizes of the circuit boards 4, corresponding auxiliary support columns are arranged for each circuit board, the number of the auxiliary support columns in the shell 1 is related to the number of the circuit boards with different sizes to be adapted, each auxiliary support column is used as an auxiliary support column to fix the circuit board 4, and the auxiliary support columns are designed in a diagonal line relative to the positioning support columns, namely, the diagonal line of the circuit board 4 is positioned. By such a positional relationship, stable fixation of each circuit board can be achieved by as few posts as possible.

Based on the above embodiments, in a preferred embodiment consistent with the present invention, the diameters of the first positioning hole C1 and the third positioning hole C3 are smaller than the diameters of the second positioning hole C2 and the fourth positioning hole C4. Therefore, under the condition that the vibration impact which needs to be born by the circuit board installation environment is small, the first positioning hole C1 and the third positioning hole C3 are fixed, and under the condition that the vibration impact which needs to be born by the circuit board installation environment is large, the second positioning hole C2 and the fourth positioning hole C4 are fixed by large screws, so that the fixing strength is higher.

Based on the above embodiments, in a preferred embodiment consistent with the present invention, the first positioning hole C1 and the third positioning hole C3 are used for positioning, and the second positioning hole C2 and the fourth positioning hole C4 are used for connecting with the bracket 3 by screws; or the like, or, alternatively,

the second positioning hole C2 and the fourth positioning hole C4 are used for positioning, and the first positioning hole C1 and the third positioning hole C3 are used for connecting with the bracket 3 through screws.

Referring to fig. 5, which is a schematic view of the bracket mounting of the casing for the circuit board of the vehicle according to the preferred embodiment of the invention, the first positioning hole C1 and the third positioning hole C3 are smaller, and the second positioning hole C2 and the fourth positioning hole C4 are relatively larger. When the vibration impact of the installation environment of the circuit board 4 is large, for example, the circuit board near the vibration source position of an engine, a gearbox and the like needs large fixing strength to adapt to corresponding impact force, the second positioning hole C2 and the fourth positioning hole C4 are fixedly connected with the bracket 3 through screws, at this time, the first positioning hole C1 and the third positioning hole C3 do not have an effect, but are used for limiting, that is, when the circuit board is installed, the positions of the bracket 3 and the housing 1 are preliminarily limited through the first positioning hole C1 and the third positioning hole C3, so that the subsequent screw installation at the positions of the second positioning hole C2 and the fourth positioning hole C4 is facilitated. When the vibration impact of the installation environment of the circuit board 4 is small, if the circuit board is installed in a vehicle body and is far away from vibration sources such as an engine and a gearbox, the corresponding impact force can be adapted without large fixing strength, in order to avoid waste, the first positioning hole C1 and the third positioning hole C3 are fixedly connected with the bracket 3 through screws, at the moment, the second positioning hole C2 and the fourth positioning hole C4 do not have an effect but are used for limiting, namely, when the circuit board is installed, the positions of the bracket 3 and the shell 1 are preliminarily limited through the second positioning hole C2 and the fourth positioning hole C4, and the subsequent screw installation of the first positioning hole C1 and the third positioning hole C3 is facilitated.

The invention does not limit the size of the specific positioning hole and the specification of the screw, and only needs to match with each other and meet the corresponding vibration impact, for example, when the vibration impact is large, the M6 screw is adopted, when the vibration impact is small, the M4 screw is adopted, and the corresponding positioning hole is matched with the size of the screw. In this case, when the vibration impact does not exceed the bearable strength of the M4 screw, the M4 screw and the corresponding positioning hole (the first positioning hole C1 and the third positioning hole C3 are smaller) can be used for fixing, and the other positioning holes are used for preliminary limiting, and when the vibration impact exceeds the bearable strength of the M4 screw and does not exceed the bearable strength of the M6 screw, the M6 screw and the corresponding positioning hole (the second positioning hole C2 and the fourth positioning hole C4 are smaller) can be used for fixing, and the other positioning holes are used for preliminary limiting.

Through this technical scheme, can adapt to multiple vibration impact environment, also make the installation more simple and convenient simultaneously through the conversion of the location of locating hole and fixed action promptly sparingly cost.

Based on the above embodiments, in a preferred embodiment consistent with the present invention, the first positioning hole C1 and/or the second positioning hole C2 are circular holes, and the third positioning hole C3 and/or the fourth positioning hole C4 are waist circular holes. In a set of locating hole that each other is diagonal, a hole is the round hole, a hole site waist round hole, through this technical scheme, can make more convenient and strong adaptability when the installation is fixed, specifically, first locating hole C1 and/or second locating hole C2 are the round hole, third locating hole C3 and/or fourth locating hole C4 are waist round holes, it is stronger for the adaptability of round hole to pass through waist round hole, when carrying out preliminary location or fixed mounting, because inevitable design error or production error, the position of each locating hole of casing 1 and the position and the size of the corresponding part of support 4 are not necessarily completely corresponding, certain error probably exists, fix a position or fixed round hole earlier, fix a position or fixed waist round hole again, it is easy to install, can solve because of the error and unable installation or difficult problem of installing. Especially, when fixing last, because two holes have been used for preliminary location in the three hole and limited, the mobilizable space of casing 1 for support 3 is less, and in case the third hole passes through the fix with screw, the casing is unable removal basically, in case the position deviation appears in fourth hole and the corresponding mounting screw of support, then difficult or unable installation, at this moment, the fourth hole is the waist round hole then very easily installs, the effectual error problem of solving in the actual installation. For example, when the vibration impact of the installation environment of the circuit board 4 is small, when installing, the positions of the bracket 3 and the housing 1 are primarily limited by the second positioning hole C2 and the fourth positioning hole C4, the fourth positioning hole C4 is a waist-round hole, a certain error can be tolerated during primary limiting, which is convenient, when installing the screws at the subsequent first positioning hole C1 and the third positioning hole C3, the screws are firstly installed at the first positioning hole C1, after the installation is completed, because the third positioning hole C3 is a waist-round hole, even if there is a certain error in the corresponding structure of the third positioning hole C3 and the bracket 3, which leads to incomplete correspondence, the rapid installation of the screws at the positions can be realized through the waist-round hole.

Based on the above embodiment, in a preferred embodiment consistent with the present invention, the bracket 3 is provided with a first positioning pin, a second positioning pin, and a first mounting position and a second mounting position;

during installation, the first positioning pin is inserted into the first positioning hole, the second positioning pin is inserted into the third positioning hole, the first installation position and the second installation position respectively correspond to the second positioning hole and the fourth positioning hole, and the bracket is fixedly connected with the shell through a first screw; or the like, or, alternatively,

during installation, the first positioning pin is inserted into the second positioning hole, the second positioning pin is inserted into the fourth positioning hole, the first installation position and the second installation position respectively correspond to the first positioning hole and the third positioning hole, and the support is fixedly connected with the shell through a second screw.

Referring to fig. 5, the bracket 3 is provided with a first positioning pin Q1, a second positioning pin Q3, a first mounting position Q2 and a second mounting position Q4. When the vibration impact of the installation environment of the circuit board 4 is large, a large fixing strength is required to adapt to a corresponding impact force, the second positioning hole C2 and the fourth positioning hole C4 are fixedly connected with the bracket 3 through screws, at this time, the first positioning pin Q1 is inserted into the first positioning hole C1, the second positioning pin Q3 is inserted into the third positioning hole C3, and the positions of the housing 1 and the bracket 3 are preliminarily defined, so that the first installation position Q2 and the second installation position Q4 correspond to the second positioning hole C2 and the fourth positioning hole C4, and the housing 1 and the bracket 3 are fixed by installing a first screw, such as an M6 screw, capable of bearing a large impact strength at the first installation position Q2 (the second positioning hole C2) and the second installation position Q4 (the fourth positioning hole C4).

Referring to fig. 6, the bracket 3 is provided with a first positioning pin J2, a second positioning pin J4, a first installation position J1 and a second installation position J3. When the vibration impact of the installation environment of the circuit board 4 is small, the corresponding impact force can be adapted without large fixing strength, and then the first positioning hole C1 and the third positioning hole C3 are fixedly connected with the bracket 3 through screws, at this time, the first positioning pin J2 is inserted into the second positioning hole C2, the second positioning pin J4 is inserted into the fourth positioning hole C4, and the positions of the housing 1 and the bracket 3 are defined, so that the first installation position J1 and the second installation position J3 respectively correspond to the first positioning hole C1 and the third positioning hole C3, and the housing 1 and the bracket 3 are fixed by installing second screws, such as M4 screws, which can bear certain impact strength at the first installation position J1 (the first positioning hole C1) and the second installation position J3 (the third positioning hole C3).

Based on the above embodiments, in a preferred embodiment consistent with the present invention, the housing 1 and the upper cover 2 have a snap structure at corresponding positions, and the housing 1 and the upper cover 2 are connected by a snap; the upper cover 2 also has a downwardly extending cover surface. Referring to fig. 7, in order to illustrate the installation of the upper cover of the outer shell for the circuit board of the vehicle according to a preferred embodiment of the present invention, the housing 1 and the upper cover 2 have snap structures (B1, B2, B3, B4, B5, H1, H2, H3, H4, and H5) at corresponding positions, the upper cover 2 is fixed to the housing 1 through the snap H1 … H5 and the corresponding B1 … B5 of the housing 1, after the snap fasteners are fixed, the upper cover 2 can completely cover the housing 1, so as to achieve the waterproof and dustproof functions of the internal circuit board, and the upper cover 2 has a better waterproof and dustproof effect through the cover surface extending downwards.

Based on the above embodiments, in a preferred embodiment consistent with the present invention, the housing 1 has a welding rib surrounding the upper edge of the housing 1. Referring to fig. 8, in order to illustrate the installation of the upper cover of the casing for the circuit board of the vehicle according to another preferred embodiment of the present invention, after the upper cover 2 is fixedly connected to the housing 1, the space for loading the internal circuit board formed by the upper cover 2 and the housing 1 is further welded by the welding rib P surrounding the upper edge of the housing 1, so that the waterproof and dustproof grade is further improved, for the circuit board which needs to satisfy the higher waterproof and dustproof grade, if it needs to satisfy the higher waterproof and dustproof grade IP5K7, it can be realized by welding the welding rib, for the circuit board under the general waterproof and dustproof grade environment, if it needs to satisfy the waterproof and waterproof grade IP5K2, it is not necessary to weld the welding rib, it is sufficient to connect by the buckle, and it is easy to disassemble and repair.

By adopting the technical scheme of the invention, the circuit boards with various sizes can be fixed by the technical characteristics of the design of a plurality of support columns, positioning holes with different sizes, welding ribs and the like, different mounting structures are selected according to the requirements of vibration impact of mounting environment and water and dust prevention, a multi-adaptive automobile circuit board shell is realized, and meanwhile, the cost and the research and development period are effectively reduced.

The invention also provides an automobile controller which is provided with any one of the shells for the automobile circuit board and also comprises a circuit board, wherein a mounting hole is formed in the position, corresponding to the support column, on the circuit board, and the circuit board is fixedly connected with the shell through the support column and the mounting hole; the shell further comprises a PIN foot, and the shell is electrically connected with the circuit board and an external circuit through the PIN foot. Different circuit boards can be selectively installed on different struts according to different sizes, and different installation structures can be selected according to different vibration impact strengths and waterproof and dustproof requirements.

According to the technical scheme, the shell can simultaneously adapt to different sizes of circuit boards and the requirements of vibration impact of installation environment and water and dust prevention, the cost is effectively reduced while multiple adaptations are met, the research and development period is shortened, and each circuit board is not required to be provided with a corresponding shell.

It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.