CN214046110U - A kind of PCB board anti-electromagnetic interference drawer box - Google Patents
A kind of PCB board anti-electromagnetic interference drawer box Download PDFInfo
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- CN214046110U CN214046110U CN202022523645.7U CN202022523645U CN214046110U CN 214046110 U CN214046110 U CN 214046110U CN 202022523645 U CN202022523645 U CN 202022523645U CN 214046110 U CN214046110 U CN 214046110U
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Abstract
本实用新型提供一种PCB板防电磁干扰抽屉盒，所述PCB板防电磁干扰抽屉盒包括盒体、设置于盒体内的PCB板模块、设置于盒体内的腔体隔板，所述腔体隔板设置有至少两个以上，所述腔体隔板平行设置于所述腔体隔板与腔体隔板之间，所述腔体隔板彼此之间、腔体隔板与左右侧盒体内壁之间形成PCB板腔，PCB板模块设置在PCB板腔内，所述盒体内壁上下两侧设置有模块槽位，模块槽位上通过滑动连接设置有模块支架，PCB板模块包括PCB板和设置在PCB板上的矩形电连接器插头，PCB板的上下两端通过螺栓设置在模块支架上。本实用新型提供的抽屉盒能够屏蔽周围电场或磁场对PCB板上各元器件信号流的影响或各PCB板模块彼此间的影响，进而有效消除或降低电磁干扰对各PCB板使用性能的影响。
The utility model provides a PCB board anti-electromagnetic interference drawer box. The PCB board anti-electromagnetic interference drawer box comprises a box body, a PCB board module arranged in the box body, and a cavity partition plate arranged in the box body. The cavity body There are at least two partitions, the cavity partitions are arranged in parallel between the cavity partitions and the cavity partitions, the cavity partitions are between each other, the cavity partitions and the left and right side boxes A PCB board cavity is formed between the inner walls, and the PCB board module is arranged in the PCB board cavity. The upper and lower sides of the inner wall of the box are provided with module slots, and module brackets are provided on the module slots through sliding connections. The PCB board module includes a PCB The board and the rectangular electrical connector plug arranged on the PCB board, and the upper and lower ends of the PCB board are arranged on the module bracket through bolts. The drawer box provided by the utility model can shield the influence of the surrounding electric field or magnetic field on the signal flow of each component on the PCB board or the influence of each PCB board module on each other, thereby effectively eliminating or reducing the influence of electromagnetic interference on the performance of each PCB board.
Description
Technical Field
The utility model relates to an electric electronic product electromagnetic compatibility of boats and ships protection field, concretely relates to PCB board electromagnetic interference resistance drawer box.
Background
Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, which is a support carrier for electronic components and a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made by electronic printing, and the PCB appearing throughout the text below refers to a printed circuit board.
At present, the common electrical and electronic equipment related to the PCB board in the ship industry, the important point of electromagnetic interference protection is the whole electromagnetic protection of the equipment, that is, a conductive shielding spring leaf is welded on the inner side of a box door, and a layer of conductive copper sheet is wrapped around the edge of a box body door. However, in practical situations, the spring plate is made of a metal material and has a certain fatigue damage, so that tight joint cannot be ensured after overuse, and in addition, after each wiring cable in the device is electrified, a certain electric field or magnetic field is formed around the wiring cable, so that stability of signal flow of each circuit is interfered with each other, and the influence is particularly serious for the weak current PCB.
SUMMERY OF THE UTILITY MODEL
In view of the fact that the existing drawer box for preventing electromagnetic interference of the PCB is one, the drawer box can shield the influence of the surrounding electric field or magnetic field on the signal flow of each component on the PCB or the influence of each PCB module, and further effectively eliminates or reduces the influence of the electromagnetic interference on the service performance of each PCB.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a PCB board electromagnetic interference resistance drawer box, PCB board electromagnetic interference resistance drawer box includes the box body, sets up PCB board module in the box body, sets up the cavity baffle in the box body, the cavity baffle is provided with more than two at least, cavity baffle parallel arrangement in between cavity baffle and the cavity baffle, the cavity baffle is each other, cavity baffle and control and form PCB board chamber between the box body inner wall, PCB board module sets up in PCB board intracavity, both sides are provided with the module trench about the box body inner wall, be provided with the module support through sliding connection in the module trench, PCB board module includes the PCB board and sets up the rectangle electric connector plug on the PCB board, the upper and lower both ends of PCB board are passed through the bolt setting on the module support.
According to an aspect of the utility model, the box body includes the rear portion shrouding, controls the body, upper and lower body and positive shrouding, the tip of upper and lower body sets up on the tip of the upper and lower both sides of rear portion shrouding, the tip of controlling the body sets up on the tip of the left and right sides of rear portion shrouding, the tip setting of positive shrouding is just perpendicular with the two on another tip of body about with about with about, the module trench sets up on upper and lower body.
According to the utility model discloses an aspect, still be provided with the baffle trench on the body from top to bottom, the upper and lower both ends of cavity baffle slide respectively and set up in the baffle trench that the body corresponds from top to bottom.
According to the utility model discloses an aspect, control the body and adopt the aluminium material with upper and lower body, the steel material is all adopted to rear portion shrouding and front shrouding.
According to an aspect of the present invention, the rear portion sealing plate is provided with a socket, and the plug of the rectangular electric connector is provided on the rear portion sealing plate through the corresponding socket.
According to the utility model discloses an aspect, PCB board module support is L shape, the PCB board module adopts the aluminiferous material, PCB board module support material length equals box body trench depth direction size and slightly is greater than PCB board length.
According to the utility model discloses an aspect, there is the chamfer processing in four corners of rear portion shrouding and front shrouding all.
According to the utility model discloses an aspect, all be provided with the fixed orifices on the rear portion shrouding, the body about, the upper and lower body and the positive shrouding, the fixed orifices is used for connecting the rear portion shrouding, controls the body, upper and lower body and positive shrouding.
According to the utility model discloses an aspect, be provided with PCB board subassembly data plate on the positive shrouding, PCB board subassembly data plate is corresponding with PCB board chamber.
The utility model discloses the advantage of implementing:
the utility model provides a PCB board electromagnetic interference resistance drawer box, PCB board electromagnetic interference resistance drawer box includes the box body, sets up PCB board module in the box body, sets up the cavity baffle in the box body, the cavity baffle is provided with more than two at least, cavity baffle parallel arrangement in between cavity baffle and the cavity baffle, the cavity baffle is between each other, cavity baffle and control and form PCB board chamber between the side box body inner wall, PCB board module sets up at PCB board intracavity, both sides are provided with the module trench about the box body inner wall, be provided with the module support through sliding connection in the module trench, PCB board module includes the PCB board and sets up the rectangle electric connector plug on the PCB board, the upper and lower both ends of PCB board are passed through the bolt setting on the module support. The utility model provides a pair of PCB board electromagnetic interference resistance drawer box can shield around electric field or magnetic field to the influence of each components and parts signal flow on the PCB board or the influence each other of each PCB board module, and then effectively eliminate or reduce the influence of electromagnetic interference to each PCB board service property.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic side view (with front and rear seal plates separated) of a PCB drawer box for preventing electromagnetic interference according to the present invention;
fig. 2 is a schematic structural view of an anti-electromagnetic interference drawer box with a PCB (without front and rear sealing plates) according to the present invention;
fig. 3 is a schematic structural view of a rear portion sealing plate according to the present invention;
fig. 4 is a schematic structural view of a left and right body according to the present invention;
fig. 5 is a schematic structural view of a front sealing plate according to the present invention;
fig. 6 is a three-view diagram of the upper and lower bodies of the present invention;
fig. 7 is a partial enlarged view of fig. 2 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-7, a PCB 53 anti-electromagnetic interference drawer box, the PCB 53 anti-electromagnetic interference drawer box comprises a box body, a PCB module 5 disposed in the box body, a cavity partition 6 disposed in the box body, the cavity partition plates 6 are arranged at least more than two, the cavity partition plates 6 are arranged between the cavity partition plates 6 and the cavity partition plates 6 in parallel, PCB cavities are formed among the cavity partition plates 6, between the cavity partition plates 6 and the inner walls of the left and right side boxes, the PCB module is arranged in the PCB cavity, the upper side and the lower side of the inner wall of the box body are provided with module groove positions 44, the module slot 44 is provided with a module support 51 through sliding connection, the PCB module comprises a PCB 53 and a rectangular electric connector plug 54 arranged on the PCB 53, and the upper end and the lower end of the PCB 53 are arranged on the module support 51 through bolts.
In this embodiment, the case body includes a rear sealing plate 1, left and right bodies 2, upper and lower bodies 4, and a front sealing plate 3, ends of the upper and lower bodies 4 are provided on ends of upper and lower sides of the rear sealing plate 1, ends of the left and right bodies 2 are provided on ends of left and right sides of the rear sealing plate 1, an end of the front sealing plate 3 is provided on the other ends of the upper and lower bodies 4 and the left and right bodies 2 and is perpendicular to the same, and the module groove 44 is provided on the upper and lower bodies 4.
In this embodiment, the upper and lower bodies 4 are further provided with partition slots 42, and the upper and lower ends of the cavity partition 6 are respectively slidably disposed in the partition slots 42 corresponding to the upper and lower bodies 4.
In this embodiment, the left and right bodies 2, the upper and lower bodies 4 are made of aluminum, and the rear sealing plate 1 and the front sealing plate 3 are made of steel.
In this embodiment, the rear sealing plate 1 is provided with sockets 13, and the plugs of the rectangular electrical connector 54 are arranged on the rear sealing plate 1 through the corresponding sockets 13.
In practical use, as shown in fig. 3, the rear sealing plate 1 is further provided with a fixing hole 12 for fixing a plug portion of a rectangular electrical connector of a PCB board, for assisting in fixing the plug portion of the rectangular electrical connector.
In this embodiment, the PCB module support is L-shaped, the PCB module is made of aluminum, and the length of the PCB module support is equal to the depth of the slot of the box body and slightly greater than the length of the PCB.
In this embodiment, the four corners of the rear sealing plate 1 and the front sealing plate 3 are chamfered.
Referring to fig. 5, 33 is a circular chamfer of the front sealing plate of the drawer box for preventing electromagnetic interference of the PCB;
in practical use, as shown in fig. 3, 14 is a circular chamfer of a rear sealing plate of the drawer box for preventing electromagnetic interference of the PCB; the radiation of an internal electric field or a magnetic field along the tip is reduced, and the interference on other equipment in the outer box body of the drawer box is avoided.
In this embodiment, the rear sealing plate 1, the left and right bodies 2, the upper and lower bodies 4, and the front sealing plate 3 are all provided with fixing holes for connecting the rear sealing plate 1, the left and right bodies 2, the upper and lower bodies 4, and the front sealing plate 3.
In practical application, as shown in fig. 4, 21 are fixing holes for fixing the front left and right side bodies and the upper and lower side bodies of the drawer box with the PCB for preventing electromagnetic interference;
as shown in fig. 6, 41: hole sites are fixed on the PCB anti-electromagnetic interference drawer box and the front/rear sealing plate;
42: a PCB board anti-electromagnetic interference drawer box inner cavity partition board slot position;
43: the PCB module slot position in the drawer box can prevent the PCB from electromagnetic interference;
44: the PCB board anti-electromagnetic interference drawer box and the left and right side body fixing hole sites;
45: the PCB board is provided with a fixing hole between the drawer box and the fixing base inside the box body;
as shown in fig. 7, 41: and hole sites are fixed on the PCB anti-electromagnetic interference drawer box and the front/rear sealing plate.
In this embodiment, a PCB board assembly nameplate 32 is disposed on the front face sealing plate 3, and the PCB board assembly nameplate 32 corresponds to the PCB board cavity.
The utility model discloses the advantage of implementing:
the utility model provides a PCB board electromagnetic interference resistance drawer box, PCB board electromagnetic interference resistance drawer box includes the box body, sets up PCB board module in the box body, sets up the cavity baffle in the box body, the cavity baffle is provided with more than two at least, cavity baffle parallel arrangement in between cavity baffle and the cavity baffle, the cavity baffle is between each other, cavity baffle and control and form PCB board chamber between the side box body inner wall, PCB board module sets up at PCB board intracavity, both sides are provided with the module trench about the box body inner wall, be provided with the module support through sliding connection in the module trench, PCB board module includes the PCB board and sets up the rectangle electric connector plug on the PCB board, the upper and lower both ends of PCB board are passed through the bolt setting on the module support. The utility model provides a PCB board electromagnetic interference resistance drawer box can shield the influence of surrounding electric field or magnetic field to each component signal flow on the PCB board or the influence of each PCB board module each other, and then effectively eliminate or reduce the influence of electromagnetic interference to each PCB board service performance; during the completion, the PCBs arranged in each independent small cavity are not interfered with each other, and after the electric field or the magnetic field outside the box body and the drawer box is shielded by the drawer box shell, the signal flow flowing on each PCB inside the box body cannot be influenced, so that the function output or the data exchange of each PCB cannot be influenced; the aluminum body can effectively reduce the overall weight of the PCB electromagnetic interference resistance drawer box, the lightweight design requirement is realized, the steel partition plate can quickly conduct heat generated by power consumption components on each PCB during working, the temperature rise control design requirement is further realized, and the service lives of the components are prolonged; each component can be independently processed respectively, and installation wiring is convenient. By isolating the PCB module from external electromagnetism or magnetic field, the PCB functional modules are isolated from each other, so that the influence of electromagnetic interference on the service performance of the weak current PCB can be effectively reduced, and the reliability and stability of the operation of the equipment are improved.
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 are all 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 (9)
1. The utility model provides a PCB board electromagnetic interference resistance drawer box which characterized in that: PCB board anti-electromagnetic interference drawer box includes the box body, sets up PCB board module in the box body, sets up the cavity baffle in the box body, the cavity baffle is provided with more than two at least, cavity baffle parallel arrangement in between cavity baffle and the cavity baffle, the cavity baffle is between each other, cavity baffle and control and form PCB board chamber between the side box body inner wall, PCB board module sets up in PCB board intracavity, both sides are provided with the module trench about the box body inner wall, be provided with the module support through sliding connection in the module trench, PCB board module includes the PCB board and sets up the rectangle electric connector plug on the PCB board, the upper and lower both ends of PCB board are passed through the bolt setting on the module support.
2. The PCB board anti-electromagnetic interference drawer box of claim 1, wherein: the box body includes rear portion shrouding, controls the body, upper and lower body and front shrouding, the tip of upper and lower body sets up on the tip of the upper and lower both sides of rear portion shrouding, the tip of controlling the body sets up on the tip of the left and right sides of rear portion shrouding, the tip of front shrouding sets up on upper and lower body and the other tip of controlling the body and perpendicular with the two, the module trench sets up on upper and lower body.
3. The PCB board anti-electromagnetic interference drawer box of claim 2, wherein: the upper body and the lower body are also provided with baffle slot positions, and the upper end and the lower end of the cavity baffle are respectively arranged in the baffle slot positions corresponding to the upper body and the lower body in a sliding manner.
4. The PCB board anti-electromagnetic interference drawer box of claim 2, wherein: the left body, the right body, the upper body and the lower body are made of aluminum materials, and the rear sealing plate and the front sealing plate are made of steel materials.
5. The PCB board anti-electromagnetic interference drawer box of claim 2, wherein: the rear sealing plate is provided with a socket, and the bottom of the rectangular electric connector plug is arranged on the rear sealing plate through the corresponding socket.
6. The PCB board anti-electromagnetic interference drawer box of claim 1, wherein: the PCB module support is L-shaped, the PCB module is made of aluminum materials, and the length of the PCB module support is equal to the size of the box body in the depth direction of the groove position of the box body and slightly larger than the length of the PCB.
7. The PCB board anti-electromagnetic interference drawer box of claim 2, wherein: and four corners of the rear sealing plate and the front sealing plate are chamfered.
8. The PCB board anti-electromagnetic interference drawer box of claim 2, wherein: the rear portion shrouding, control the body, all be provided with the fixed orifices on upper and lower body and the front shrouding about, the rear portion shrouding, the body, upper and lower body and front shrouding are used for connecting.
9. The PCB board anti-electromagnetic interference drawer box of claim 2, wherein: the front sealing plate is provided with a PCB plate assembly nameplate, and the PCB plate assembly nameplate corresponds to the PCB plate cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523645.7U CN214046110U (en) | 2020-11-04 | 2020-11-04 | A kind of PCB board anti-electromagnetic interference drawer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523645.7U CN214046110U (en) | 2020-11-04 | 2020-11-04 | A kind of PCB board anti-electromagnetic interference drawer box |
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| Publication Number | Publication Date |
|---|---|
| CN214046110U true CN214046110U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022523645.7U Active CN214046110U (en) | 2020-11-04 | 2020-11-04 | A kind of PCB board anti-electromagnetic interference drawer box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116526350A (en) * | 2023-05-20 | 2023-08-01 | 深圳市广思德科技有限公司 | Comprehensive control cabinet for smart power grid |
-
2020
- 2020-11-04 CN CN202022523645.7U patent/CN214046110U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116526350A (en) * | 2023-05-20 | 2023-08-01 | 深圳市广思德科技有限公司 | Comprehensive control cabinet for smart power grid |
| CN116526350B (en) * | 2023-05-20 | 2023-12-22 | 深圳市广思德科技有限公司 | Comprehensive control cabinet for smart power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A PCB anti-electromagnetic interference drawer box Effective date of registration: 20230222 Granted publication date: 20210824 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Songjiang sub branch Pledgor: SHANGHAI KEHAI HUATAI SHIP ELECTRIC CO.,LTD. Registration number: Y2023310000039 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210824 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Songjiang sub branch Pledgor: SHANGHAI KEHAI HUATAI SHIP ELECTRIC CO.,LTD. Registration number: Y2023310000039 |