CN210042729U

CN210042729U - Electronic equipment

Info

Publication number: CN210042729U
Application number: CN201920735562.9U
Authority: CN
Inventors: 王翔; 邓照平
Original assignee: Hangzhou Haikang Automobile Technology Co Ltd
Current assignee: Hangzhou Haikang auto Software Co., Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-07
Anticipated expiration: 2029-05-21

Abstract

The embodiment of the utility model discloses an electronic equipment relates to electron technical field, for solving current electronic equipment, when reaching the electromagnetic shield, the comparatively complicated problem of electronic equipment structure invents. The electronic device includes: shell and printed circuit board, be equipped with the step on the shell, printed circuit board is last to have dew copper, the route of dew copper is closed dew copper route, the trend of closed dew copper route with the trend of step is unanimous and contact on the shell, the shell with the step all adopts the material that can realize the electromagnetic shield effect to make and forms. The utility model is suitable for a when reaching electromagnetic shield effect, the more simple electronic equipment of structure.

Description

Electronic equipment

Technical Field

The utility model relates to the field of electronic technology, especially, relate to an electronic equipment.

Background

With the development of science and technology, the use of electronic equipment is not left in the aspects of social production society, and in the normal operation process of the electronic equipment, certain electromagnetic interference is generated to the environment, on the other hand, the electronic equipment can also generate certain electromagnetic interference to other electronic equipment in the environment, the electromagnetic interference among the electronic equipment can influence the normal operation of the electronic equipment, in order to reduce the electromagnetic interference, the existing method is to install a shielding cover on a PCB board by welding around equipment or components needing electromagnetic shielding, so as to achieve the effect of electromagnetic shielding, but the structure of the electronic equipment is complex.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides an electronic device, which has a simpler structure while achieving an electromagnetic shielding effect.

An embodiment of the utility model provides an electronic equipment, include: shell and printed circuit board, be equipped with the step on the shell, printed circuit board establishes in the shell just there is dew copper on the printed circuit board, the route of dew copper is closed dew copper route, the trend on closed dew copper route with the trend of step is unanimous and contact on the shell, the shell with the step is made by electromagnetic shield material.

According to a specific implementation manner of the embodiment of the present invention, copper is exposed on both sides of the printed circuit board; the shell comprises a first shell and a second shell, and the first shell and the second shell are buckled; the step includes first step and second step, first step is established on the first casing, with printed circuit board's one side dew copper contacts, the second step is established on the second casing, with printed circuit board's another side dew copper contacts, the shell with the step all adopts the material that can realize the electromagnetic shield effect to make and forms.

According to the utility model discloses a concrete mode of realization, on the printed circuit board copper exposure is established the periphery of printed circuit board.

According to the utility model discloses a concrete mode of realization be equipped with socket and/or plug on the printed circuit board, socket and/or plug are in outside the closed dew copper route.

According to the utility model discloses a concrete implementation mode, on the printed circuit board dew copper is established at the components and parts periphery, components and parts are established printed circuit board is last.

According to the utility model discloses a concrete implementation mode, the shell with step integrated into one piece.

According to the utility model discloses a concrete mode of realization, electronic equipment is electronic controller for the car.

The embodiment of the utility model provides a pair of electronic equipment is equipped with the step on through the shell, is equipped with dew copper on the printed circuit board, the route of dew copper is closed dew copper route, the trend of closed dew copper route with the trend of step is unanimous and contacts on the shell, and whole shell reaches electromagnetic shield's effect as the shield cover, and such electronic equipment when reaching electromagnetic shield effect, the structure is more simple, has solved current electronic equipment, when reaching electromagnetic shield effect, causes the comparatively complicated problem of electronic equipment structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an exploded schematic view of a first embodiment of an electronic device according to the present invention;

FIG. 2 is a schematic structural diagram of the PCB board shown in FIG. 1;

fig. 3 is a schematic exploded view of an embodiment of an electronic device according to the present invention;

FIG. 4 is a schematic structural view of the first housing shown in FIG. 3;

FIG. 5 is a structural diagram of the second housing shown in FIG. 3;

FIG. 6 is a schematic illustration of copper exposure of a panel frame of the PCB board of FIG. 3;

FIG. 7 is a schematic view of copper exposure of another panel frame of the PCB board of FIG. 3

Fig. 8 is an exploded schematic view of a third embodiment of the electronic device according to the present invention;

fig. 9 is a schematic structural view of the PCB of fig. 8.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

An embodiment of the utility model provides an electronic equipment can include shell and printed circuit board, be equipped with the step on the shell, printed circuit board establishes in the shell just there is dew copper on the printed circuit board, the route of dew copper is closed dew copper route, the trend of closed dew copper route with the trend of step is unanimous and contacts on the shell, the shell with the step is made by electromagnetic shielding material.

The embodiment of the utility model provides an in, be equipped with the step on the shell, simultaneously, have closed dew copper route on printed circuit board, the trend in dew copper route is unanimous with the trend of step on the shell, and shell and step are made by electromagnetic shield material, and during the installation, dew copper contacts with the step, like this, when electronic equipment during operation, when reaching electromagnetic shield effect, the structure is more simple.

Fig. 1 is an exploded schematic view of a first embodiment of an electronic device according to the present invention, as shown in fig. 1,

fig. 2 is a schematic structural view of the PCB of fig. 1, as shown in fig. 2. The present embodiment is described below with reference to fig. 1 and fig. 2, where the electronic device in fig. 1 includes: the PCB comprises a shell 11, an end cover 12 and a PCB 2, wherein copper 21 is exposed on the PCB 2, a step 111 is arranged on the shell 11, and the step 111 forms a hollow cover.

In this embodiment, the housing 11 and the end cap 12 form a housing of the electronic controller, the housing may be a cube, and the step 111 is disposed on the housing 11. Of course, in practical application, the housing of the electronic controller may have any other shape as long as the step can be arranged thereon and the step can contact with the exposed copper on the PCB board, and may be composed of three parts and four parts.

In the embodiment, the exposed copper is solid copper covered on an insulating layer on the outer surface of the PCB, is only electrically connected with a ground wire of the PCB and is not connected with other components; and exposed copper 21 is arranged on the periphery of part of components on the plate frame of the PCB 2, the exposed copper 21 forms a closed path, and the exposed copper 21 is electrically connected with the ground wire of the PCB 2. When setting up the concrete position that exposes copper, if there is the copper line on PCB board surface, need avoid the surface copper line.

The step 111 has a course corresponding to the course of the bare copper 21.

The housing 11, the end cap 12, and the step 111 may be made of aluminum, and in practical applications, the housing of the electronic controller may also be made of other materials capable of achieving an electromagnetic shielding effect, such as a ferromagnetic material, a good metal conductor material, a filling composite shielding material, and the like.

When the device is installed, the exposed copper 21 is in contact with the boss 111. When the electronic device works, when a radiation body radiates electromagnetic waves with a certain frequency outwards and the electronic device is in the electromagnetic wave radiation range, the shell 11 and the end cover 12 form an electronic device shell which can reflect a part of the electromagnetic waves and absorb a certain amount of the electromagnetic waves.

In the embodiment, there is closed exposed copper 21 on the PCB board 2, and a step 111 corresponding to the exposed copper 21 is disposed on the housing 11, so that the exposed copper 21 contacts the step 111 during installation. Like this, when reaching electromagnetic shield effect, electronic equipment's structure is more simple, has solved current electronic equipment, when reaching electromagnetic shield effect, the comparatively complicated problem of electronic equipment structure.

As an alternative embodiment, the frame periphery of the PCB board may be provided with exposed copper, and a step consistent with the copper exposed on the PCB board is provided along the housing of the electronic device. The PCB board is installed along electronic equipment's casing, and like this, the last step of electronic equipment laminates with the casing completely, when reaching electromagnetic shield effect, electronic equipment's structure is simpler.

Fig. 3 is a two-part schematic exploded view of an embodiment of an electronic device, fig. 4 is a schematic illustration of a first housing structure in fig. 3, fig. 5 is a schematic illustration of a second housing structure in fig. 3, fig. 6 is a schematic illustration of copper exposure of a panel frame of a PCB board in fig. 3, and the following description is given to the second embodiment with reference to fig. 3 to 7, and the embodiment includes:

the PCB comprises a first shell 11, a second shell 12 and a PCB 2, wherein a concave platform 121 is arranged on the second shell 12, copper 21 with a closed path is arranged on the PCB 2, and the copper 21 is in contact with the concave platform 121 of the second shell; the socket 31 and the socket 32 are installed on one side of the PCB, and the socket 31 and the socket 32 are exposed out of the copper 21.

In this embodiment, the bare copper 21 is disposed around all other components except the socket 31 and the socket 32 on the PCB, the socket 31 and the socket 32 on the PCB are mounted in the hole 41 and the hole 42 on the second housing 12, and the socket 31 and the socket 32 are input ports and output ports for connecting the electronic device with external devices; copper exposure is arranged around all components except the socket 31 and the socket 32 on the PCB, the copper exposure 21 is contacted with the concave platform 121 of the second shell, and the first shell 11 and the second shell 12 are buckled to form the shell of the electronic equipment.

When a radiator radiates electromagnetic waves with a certain frequency from the outside, and the electronic device is in the range of the electromagnetic waves, the electromagnetic waves try to enter the electronic device through the hole 41 and the hole 42 due to the opening of the housing of the electronic device, but since the concave stage 121 on the second housing 12 forms a shielding cover relative to all other components on the PCB except the socket, the shielding cover can reflect a part of the electromagnetic waves and absorb a certain amount of the electromagnetic waves, and the concave stage 121 is in contact with the exposed copper 21 on the PCB and the exposed copper 21 is connected with the ground wire on the PCB, the electromagnetic waves absorbed by the shielding cover are guided into the ground of the PCB through the exposed copper, so that the function of the PCB is not affected, and the electromagnetic shielding effect is achieved.

This embodiment is through being equipped with dew copper around all components and parts except two sockets on the PCB board, is equipped with the concave station simultaneously on the second casing, and dew copper contacts with the concave station of second casing, and like this, concave station and first casing on the second casing constitute the enclosure for all other components and parts except the socket on the PCB board, when reaching electromagnetic shield effect, electronic equipment's structure is simpler.

As an alternative embodiment, copper exposure may be provided on both sides of the PCB board, see fig. 3 to 7, and fig. 7 is a schematic view of copper exposure on another panel frame of the PCB board in fig. 3. In this embodiment, the periphery of the other panel frame of the PCB is provided with exposed copper 22, the first housing 11 is provided with a boss 111, and the exposed copper 22 contacts with the boss 111 of the first housing.

In this embodiment, copper is exposed on two sides of the PCB 2, the first housing 11 is correspondingly provided with a boss 111, the second housing 12 is provided with a concave platform 121, and the first housing 11 and the second housing 12 are fastened by the boss 111 and the concave platform 121 to form a housing of the electronic device.

In this embodiment, the first housing 11 is provided with a boss 111, and the second housing 12 is provided with a concave platform 121; copper exposure 21 is arranged on the periphery of a panel frame of the PCB 2, copper exposure 22 is arranged on the other surface of the panel frame, the copper exposure 21 is in contact with a concave platform 121 of the second shell, the copper exposure 22 is in contact with a boss 111 of the first shell, and the first shell 11 and the second shell 12 form a shielding cover. Therefore, the structure of the electronic equipment is simpler while the electromagnetic shielding effect is achieved.

Fig. 8 is an exploded schematic view of a third embodiment of the electronic device according to the present invention, as shown in fig. 8, and fig. 9 is a schematic view of a structure of the PCB board in fig. 8, as shown in fig. 8. The present embodiment is described below with reference to fig. 8 and 9, and the electronic device in fig. 8 includes:

first casing 11, second casing 12, PCB board 2, chip 21 on the PCB board 2, be equipped with step 111 on the first casing 11, step 111 forms hollow cover, and chip 21 has dew copper 22 all around, and dew copper 22 is connected with the ground wire electricity of PCB board, and during the installation, dew copper 22 contacts with boss 111.

In this embodiment, there is dew copper around chip 21, if when there is the copper line on PCB board surface, when setting up the concrete position of dew copper, need avoid the surface copper line.

According to the position of the chip 21 on the PCB, the corresponding step 111 is arranged on the first shell, the step forms the shielding case, the shell forms the shielding case for the whole PCB to realize electromagnetic shielding, and meanwhile, the shielding case is added on the chip 21, so that the electromagnetic interference between the chip and the outside is further reduced, and the electromagnetic compatibility of the chip is improved.

As an alternative embodiment, the first housing and the step in the third embodiment are integrally formed, so that the electromagnetic shielding effect can be achieved, the structure is simple, and the manufacturing process of the electronic device can be simplified.

In practical applications, the electronic controller may be an automotive electronic product such as an automotive around view controller, an Advanced Driver Assistance System (ADAS) controller, and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electronic device, comprising: shell and printed circuit board, be equipped with the step on the shell, printed circuit board establishes in the shell just there is dew copper on the printed circuit board, the route of dew copper is closed dew copper route, the trend on closed dew copper route with the trend of step is unanimous and contact on the shell, the shell with the step is made by electromagnetic shield material.

2. The electronic device of claim 1, wherein the printed circuit board has copper exposed on both sides;

the shell comprises a first shell and a second shell, and the first shell and the second shell are buckled; the step includes first step and second step, first step is established on the first casing, with printed circuit board's one side dew copper contacts, the second step is established on the second casing, with printed circuit board's another side dew copper contacts.

3. The electronic device of claim 1 or 2, wherein the exposed copper on the printed circuit board is provided at a periphery of the printed circuit board.

4. The electronic device of claim 1 or 2, wherein a socket and/or a plug are provided on the printed circuit board, the socket and/or plug being outside the closed copper exposed path.

5. The electronic device of claim 1 or 2, wherein the bare copper on the printed circuit board is provided at a periphery of a component provided on the printed circuit board.

6. The electronic device of claim 1, wherein the housing is integrally formed with the step.

7. The electronic device of claim 1, wherein the electronic device is an automotive electronic controller.