CN220191333U - Novel vehicle rear wall shielding switching box - Google Patents
Novel vehicle rear wall shielding switching box Download PDFInfo
- Publication number
- CN220191333U CN220191333U CN202321373182.8U CN202321373182U CN220191333U CN 220191333 U CN220191333 U CN 220191333U CN 202321373182 U CN202321373182 U CN 202321373182U CN 220191333 U CN220191333 U CN 220191333U
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- CN
- China
- Prior art keywords
- rear wall
- novel vehicle
- vehicle rear
- isolation baffle
- cover plate
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 2
- 208000002925 dental caries Diseases 0.000 claims 1
- 238000003475 lamination Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a novel vehicle rear wall shielding transfer box, which comprises a metal box body, a front cover plate, a rear cover plate, a circuit module and a through capacitor isolation baffle, wherein the metal box body is mainly composed of the circuit module and the through capacitor isolation baffle, the circuit module is divided into three layers of circuit board supports, the through capacitor isolation baffle divides a cabin into a front cavity and a rear cavity, and the through capacitor is arranged on the through capacitor isolation baffle. The wall box adopts a closed metal shell, so that external electromagnetic interference is effectively prevented. The lightning protection device has self lightning protection capability. The switching wall box antenna feeder interface electromagnetic pulse protection and surge protection functions are provided. The movable parts are not exposed, and the reliability is high. The metal box body of the product is installed by adopting a flange plate, and the integrity of signals can be ensured by reserving a conductive surface.
Description
Technical Field
The utility model relates to the technical field of vehicle rear wall shielding adapter boxes, in particular to a novel vehicle rear wall shielding adapter box.
Background
The back wall shielding switching box on the market at present does not have strong electromagnetic pulse protection and lightning protection to often receive the rain wash, lead to reduced life.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a novel vehicle rear wall shielding adapter box, which solves the problem that the existing rear wall shielding adapter box on the market does not have strong electromagnetic pulse protection and lightning protection.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the novel self-locking type self-locking capacitor comprises a metal box body, a front cover plate, a rear cover plate, a circuit module and a through capacitor isolation baffle, wherein the metal box body is mainly composed of the circuit module and the through capacitor isolation baffle, the circuit module is divided into three layers of circuit board supports, the through capacitor isolation baffle divides a cabin body into front and rear closed cavities, and the through capacitor is arranged on the through capacitor isolation baffle.
Preferably, aviation plug mounting holes, grounding columns and N-type connector mounting holes are designed at corresponding positions on the front cover plate and the rear cover plate.
Preferably, the grounding post is made of copper.
Preferably, the power module is fitted with an aerial plug, which is connected thereto by an internal cable.
Preferably, the metal box body adopts a Faraday cage structure, and the cable wall is crossed and a through capacitor is adopted to ensure the integrity of the shielding. The metal box body is installed by adopting a flange plate, and the integrity of signals is ensured by reserving a conductive surface.
Preferably, the front cover plate, the rear cover plate and the metal box body are made of stainless steel plates, and all used standard components comprise: the screw, the nut, the flat pad and the spring pad are all stainless steel standard components,
preferably, the combined part of the metal box body and the cabin body is sprayed and protected, so that the installation surface and the cabin body interface window are integrally and conductively attached, and an EMC copper net is conveniently clamped.
Preferably, the metal case employs a shielding structure to prevent electromagnetic pulses from entering the protected device without passing through the filter.
Advantageous effects
The utility model provides a novel vehicle rear wall shielding adapter box. Has the following beneficial effects
The wall box adopts a closed metal shell, so that external electromagnetic interference is effectively prevented. The lightning protection device has self lightning protection capability. The switching wall box antenna feeder interface electromagnetic pulse protection and surge protection functions are provided. The movable parts are not exposed, and the reliability is high. The metal box body of the product is installed by adopting a flange plate, and the integrity of signals can be ensured by reserving a conductive surface.
Drawings
Fig. 1 is a schematic structural view of a novel vehicle rear wall shielding adapter box according to the present utility model.
Fig. 2 is a rear view of a novel vehicle rear wall shield adapter box according to the present utility model.
Fig. 3 is a front view of a novel vehicle rear wall shielding adapter box according to the present utility model.
Fig. 4 is a top view of a novel vehicle rear wall shielding adapter box according to the present utility model.
Fig. 5 is a schematic circuit diagram of a novel vehicle rear wall shielding adapter box according to the present utility model.
Fig. 6 is a schematic diagram of a dc power port protection circuit of a novel vehicle rear wall shielding adapter box according to the present utility model.
Fig. 7 is a schematic diagram of a signal port protection circuit of a novel vehicle rear wall shielding adapter box according to the present utility model.
FIG. 8 is a schematic diagram of network signal protection of a novel vehicle rear wall shielding adapter box according to the present utility model
In the figure: 1-a metal box body; 2-a front cover plate; 3-a back cover plate; 4-a circuit module; 5-a feedthrough capacitor; 6-a through capacitance isolation baffle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-8, the present utility model provides a technical solution: a novel vehicle rear wall shielding switching box is composed of a metal box body 1, a front cover plate 2, a rear cover plate 3, a circuit module 4 and a through capacitor isolation baffle 6. The whole metal shell plays roles of protection, support and shielding, and prevents the rear stage of the power supply wall box from being polluted by the front stage. Aviation plug mounting holes, grounding columns and N-type connector mounting holes are designed at corresponding positions on the front cover plate 3 and the rear cover plate 3. The adapter box must be provided with a reliable grounding post for lightning surge, current release of electromagnetic pulse, and grounding safety of power supply equipment. The grounding column is made of copper, the lightning protection device inside the switching box is guaranteed to be connected with the shell of the product and the grounding equipotential, all grounding parts inside the switching box are as short and straight as possible, and the grounding connection is reliable. The aviation plug is connected with the power module through an internal cable, so that the wiring is ensured to be as short and straight as possible.
The circuit module 4 is divided into three layers of circuit board brackets, and is mainly used for installing various filter circuits and has the supporting and protecting effects; the cabin body is divided into a front cavity and a rear cavity by the through capacitor isolation baffle 6, the through capacitor 5 is arranged on the through capacitor isolation baffle 6, high isolation of input and output is ensured, and meanwhile, enough capacity is ensured to provide insertion loss meeting indexes at high frequency.
The metal box body 1 adopts a Faraday cage structure, and the cable wall-passing adopts a penetration capacitor 5 to ensure the integrity of shielding. The metal box body 1 is installed by adopting a flange plate, and the integrity of signals is ensured by reserving a conductive surface.
The adapter box has rust-resistant, oxidation-resistant, high shielding performance in normal use, and front shroud 2, back shroud 3, metal casing 1 adopt corrosion resistant plate to make, and all standard components of using include: the screw, the nut, the flat pad and the spring pad are all made of stainless steel standard components, so that the interface window has strong three-proofing performance in a service environment with technical requirements. The product panel and the cabin body are combined for spraying protection, so that the installation surface and the cabin body interface window are integrally and conductively attached, and the EMC copper net is conveniently clamped.
The metal case 1 has a shielding structure for preventing electromagnetic pulses from entering the protected device without passing through the filter. The product adopts stainless steel material, guarantees structural strength, and metal casing and cabin equipotential connection shielding effect are good. The structural shielding mainly reduces the fit clearance of structural parts, the fit surface adopts a concave-convex fit structure to increase the refraction loss, the internal wiring is far away from the gap and the contact area of the fit surface is increased, the space between fixing screws is reduced or elastic conductive materials are pressed between the fit surfaces, so that the gap between structural parts can be reduced, and the attenuation interference is restrained from radiating from inside to outside.
The whole structure of the power supply wall box consists of a metal box body 1, a front cover plate 2, a rear cover plate 3, a circuit module 4 and a through capacitor isolation baffle 6. The rising front edge of the strong electromagnetic pulse EMP is short, the pulse width is narrow, the pulse amplitude is high, and a pulse discharge passage is built by adopting transient suppression devices such as a gas discharge tube and the like. The strong electromagnetic pulse suppressor circuit has the function of suppressing large pulse energy, and under the condition of no strong electromagnetic pulse interference signal, the resistances at two ends of the transient suppression device tend to infinity, and normal power supply and signal transmission of electronic equipment are not affected; when strong electromagnetic pulse induced current enters the pulse suppressor along the cable, the transient suppression device acts immediately, bypassing most of the energy of the high power electromagnetic pulse.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a novel vehicle back wall shielding switching box, includes metal box (1), front shroud (2), back shroud (3), circuit module (4) and wear a heart electric capacity isolation baffle (6), its characterized in that, inside mainly by circuit module (4) and a heart electric capacity isolation baffle (6) of metal box (1) are constituteed, circuit module (4) divide three-layer circuit board support, a heart electric capacity isolation baffle (6) divide into two confined cavitys around with the cabin, a heart electric capacity (5) are installed on a heart electric capacity isolation baffle (6).
2. The novel vehicle rear wall shielding adapter box according to claim 1, wherein aviation plug mounting holes, grounding columns and N-type connector mounting holes are designed at corresponding positions on the front cover plate (2) and the rear cover plate (3).
3. The novel vehicle rear wall shielding adapter box of claim 2, wherein the grounding post is copper.
4. The novel vehicle rear wall shield transfer box of claim 1 wherein the power module is fitted with an air plug, said air plug being connected thereto by an internal cable.
5. The novel vehicle rear wall shielding transfer box according to claim 1, wherein the metal box body (1) adopts a faraday cage structure, and the cable through wall adopts a penetration capacitor (5) to ensure the integrity of shielding.
6. The novel vehicle rear wall shielding adapter box according to claim 1, wherein the metal box (1) is installed by adopting a flange plate, and the integrity of signals is ensured by reserving a conductive surface.
7. The novel vehicle rear wall shielding adapter box according to claim 1, wherein the front cover plate (2), the rear cover plate (3) and the metal box body (1) are made of stainless steel plates, and all used standard parts comprise: the screw, the nut, the flat pad and the spring pad are all stainless steel standard components.
8. The novel vehicle rear wall shielding transfer box according to claim 1 is characterized in that the combination part of the metal box body (1) and the cabin body is sprayed and protected, so that the whole conductive lamination of a mounting surface and a cabin body interface window is facilitated, and an EMC copper mesh is conveniently clamped.
9. A novel vehicle rear wall shielding adapter according to claim 1, characterized in that the metal box (1) adopts a shielding structure to prevent electromagnetic pulses from entering the protected device without passing through the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321373182.8U CN220191333U (en) | 2023-06-01 | 2023-06-01 | Novel vehicle rear wall shielding switching box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321373182.8U CN220191333U (en) | 2023-06-01 | 2023-06-01 | Novel vehicle rear wall shielding switching box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220191333U true CN220191333U (en) | 2023-12-15 |
Family
ID=89100823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321373182.8U Active CN220191333U (en) | 2023-06-01 | 2023-06-01 | Novel vehicle rear wall shielding switching box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220191333U (en) |
-
2023
- 2023-06-01 CN CN202321373182.8U patent/CN220191333U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |