CN214899510U - Power distribution cabinet with anti-electromagnetic interference function - Google Patents
Power distribution cabinet with anti-electromagnetic interference function Download PDFInfo
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- CN214899510U CN214899510U CN202121469145.8U CN202121469145U CN214899510U CN 214899510 U CN214899510 U CN 214899510U CN 202121469145 U CN202121469145 U CN 202121469145U CN 214899510 U CN214899510 U CN 214899510U
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- cabinet body
- power distribution
- electromagnetic interference
- distribution cabinet
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Abstract
The utility model discloses a switch board with anti-electromagnetic interference function relates to switch board technical field, can not effectual suppression shielding for solving the inside electromagnetic interference of switch board, and anti-electromagnetic interference performance is not good, causes the influence to distribution equipment easily, the not good problem of result of use of switch board. The utility model discloses a power distribution cabinet, including the switch board cabinet body, the outside of the switch board cabinet body is provided with the metallic shield net, and the metallic shield net is connected with the outer wall laminating of the switch board cabinet body, the top of the switch board cabinet body is provided with the electromagnetic interference detector, and the electromagnetic interference detector passes through the screw connection with the switch board cabinet body, the inside of the switch board cabinet body is provided with first electromagnetism isolation pad, and just first electromagnetism isolation pad is connected with the inner wall laminating of the switch board cabinet body, the inside of the switch board cabinet body is provided with the distribution equipment body, and the distribution equipment body passes through the screw connection with the switch board cabinet body, one side of the switch board cabinet body is provided with the cabinet door, and the cabinet door is provided with two.
Description
Technical Field
The utility model relates to a switch board technical field specifically is a switch board with anti-electromagnetic interference function.
Background
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; motor control centers are used in load concentration and loop-rich applications, where they distribute the power from a circuit of a higher level of distribution equipment to nearby loads, which provide protection, monitoring and control of the loads. The anti-electromagnetic interference function of the power distribution cabinet directly influences the use effect of the power distribution cabinet.
At present, when the internal equipment of the power distribution cabinet works with electricity, corresponding electromagnetic effect can be generated during working, electromagnetic interference caused by the electromagnetic effect on the electrified equipment can be avoided, electromagnetic interference inside the power distribution cabinet can not be effectively inhibited and shielded, the anti-electromagnetic interference performance is poor, the influence on the power distribution equipment is easily caused, the using effect of the power distribution cabinet is poor, and the using requirement can not be met. Therefore, a power distribution cabinet with anti-electromagnetic interference function is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switch board with anti-electromagnetic interference function to the electromagnetic interference who proposes switch board inside in solving above-mentioned background art can not effectual suppression shielding, anti-electromagnetic interference performance is not good, leads to the fact the influence to distribution equipment easily, the not good problem of result of use of switch board.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a switch board with anti-electromagnetic interference function, includes the switch board cabinet body, the outside of the switch board cabinet body is provided with the metallic shield net, and the metallic shield net is connected with the outer wall laminating of the switch board cabinet body, the top of the switch board cabinet body is provided with the electromagnetic interference detector, and the electromagnetic interference detector passes through screw connection with the switch board cabinet body, the inside of the switch board cabinet body is provided with first electromagnetic isolation pad, and just first electromagnetic isolation pad is connected with the inner wall laminating of the switch board cabinet body, the inside of the switch board cabinet body is provided with the distribution equipment body, and the distribution equipment body passes through screw connection with the switch board cabinet body, one side of the switch board cabinet body is provided with the cabinet door, and the cabinet door is provided with two.
Preferably, the below of the power distribution cabinet body is provided with rubber bellows, and rubber bellows passes through the screw connection with the power distribution cabinet body, rubber bellows's lower extreme is provided with the metal block, and metal block and rubber bellows set up structure as an organic whole, rubber bellows's inside is provided with the earth connection, and the both ends of earth connection are connected structure as an organic whole with the power distribution cabinet body and metal block respectively.
Preferably, one side of the power distribution cabinet body is provided with a power line, one end of the power line runs through the power distribution cabinet body and extends to the inside of the power distribution cabinet body, the filter is arranged below the power distribution equipment body and is connected with the power distribution cabinet body through screws, and the power distribution equipment body and the filter are electrically connected with the power distribution cabinet body.
Preferably, the drying block is arranged above the power distribution equipment body and is connected with the power distribution cabinet body through screws.
Preferably, a shielding plate is arranged above the electromagnetic interference detector and is connected with the cabinet body of the power distribution cabinet through screws.
Preferably, two all be provided with the visual window on the cabinet door, and visual window and cabinet door connection structure as an organic whole, the inboard of cabinet door is provided with the second electromagnetism isolation pad, and the second electromagnetism isolation pad is connected with the cabinet door laminating.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a device passes through the setting of metallic shield net, electromagnetic isolation pad and earth connection, and the metallic shield net can play shielded effect with the inside and outside signal of telecommunication of switch board, and the electromagnetic isolation pad can keep apart the weakening with electrostatic force to reduce electromagnetic effect, produce the electromagnetic field and absorb and reflect in order to reach shielded purpose, can conduct the earth with the help of the earth connection with the interference current on the switch board casing, thereby realize the suppression of conducted interference. The problem of switch board electrified during operation can produce electromagnetic effect, can cause electromagnetic interference each other is solved.
2. The utility model discloses a device passes through the setting of wave filter and shielding plate, and the wave filter can carry out effective filtering to the frequency point of specific frequency in the power cord or the frequency beyond this frequency point, restraines electromagnetic conducted interference, and the effect of sheltering from that the shielding plate played has improved the switch board in open air result of use. The problem of conducted interference caused by different input voltage frequencies is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal structure view of the cabinet body of the power distribution cabinet of the present invention;
fig. 3 is a cross-sectional view of the cabinet body of the power distribution cabinet of the present invention;
fig. 4 is a cross-sectional view of the rubber bellows of the present invention.
In the figure: 1. a power distribution cabinet body; 2. a metal shielding mesh; 3. a supporting seat; 4. a rubber bellows; 5. an electromagnetic interference detector; 6. a shielding plate; 7. a cabinet door; 8. a handle groove; 9. a visual window; 10. drying the blocks; 11. a first electromagnetic isolation pad; 12. a power distribution apparatus body; 13. a filter; 14. a power line; 15. a rubber ring; 16. a hinge; 17. a second electromagnetic isolation pad; 18. a metal block; 19. and a ground line.
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.
Referring to fig. 1-4, the present invention provides an embodiment: a power distribution cabinet with an anti-electromagnetic interference function comprises a power distribution cabinet body 1, a supporting seat 3 is arranged below the power distribution cabinet body 1, the supporting seat 3 is connected with the power distribution cabinet body 1 through screws, a metal shielding net 2 is arranged outside the power distribution cabinet body 1, the metal shielding net 2 is connected with the outer wall of the power distribution cabinet body 1 in a fitting manner, an electromagnetic interference detector 5 is arranged above the power distribution cabinet body 1, the electromagnetic interference detector 5 is connected with the power distribution cabinet body 1 through screws, the electromagnetic interference detector 5 can measure electromagnetic interference indexes on the power distribution cabinet, a first electromagnetic isolation pad 11 is arranged inside the power distribution cabinet body 1, the first electromagnetic isolation pad 11 is connected with the inner wall of the power distribution cabinet body 1 in a fitting manner, the metal shielding net 2 and the first electromagnetic isolation pad 11 reduce the outward or inward penetrating performance of an electromagnetic field, and isolate and attenuate radiation interference, the anti-electromagnetic interference performance of switch board has been improved, and the inside of the switch board cabinet body 1 is provided with the distribution equipment body 12, and the distribution equipment body 12 passes through the screw connection with the switch board cabinet body 1, and one side of the switch board cabinet body 1 is provided with cabinet door 7, and cabinet door 7 is provided with two, is provided with hinge 16 between two cabinet doors 7 and the switch board cabinet body 1.
Further, the below of the switch board cabinet body 1 is provided with rubber bellows 4, and rubber bellows 4 passes through the screw connection with the switch board cabinet body 1, and rubber bellows 4's lower extreme is provided with metal block 18, and metal block 18 sets up structure as an organic whole with rubber bellows 4, and rubber bellows 4's inside is provided with earth connection 19, and earth connection 19's both ends are connected structure as an organic whole with switch board cabinet body 1 and metal block 18 respectively. Interference current on the power distribution cabinet can be led into the ground through the metal block 18 and the grounding wire 19, so that the suppression of conducted interference is realized, and the grounding wire 19 can be wrapped by the rubber corrugated pipe 4, so that the protection effect is achieved.
Further, one side of the switch board cabinet body 1 is provided with power cord 14, and the one end of power cord 14 runs through the switch board cabinet body 1 and extends to the inside of the switch board cabinet body 1, and the below of the distribution equipment body 12 is provided with wave filter 13, and wave filter 13 passes through the screw connection with the switch board cabinet body 1, distribution equipment body 12 and wave filter 13 all with switch board cabinet body 1 electric connection, the contact department of power cord 14 and the switch board cabinet body 1 is provided with rubber circle 15. The filter 13 can effectively filter out a frequency point of a specific frequency or frequencies other than the frequency point in the power line 14, and can suppress electromagnetic conducted interference.
Further, a drying block 10 is arranged above the power distribution equipment body 12, and the drying block 10 is connected with the power distribution cabinet body 1 through screws. The moisture in the switch board can be absorbed by the drying block 10, so that the drying of the internal environment of the switch board is maintained.
Further, the shielding plate 6 is arranged above the electromagnetic interference detector 5, and the shielding plate 6 is connected with the power distribution cabinet body 1 through screws. The shielding plate 6 can play a role in shielding, and the using effect of the power distribution cabinet in the open air is improved.
Further, all be provided with handle groove 8 on two cabinet doors 7, one side of handle groove 8 is provided with visual window 9, and visual window 9 and cabinet door 7 connection structure as an organic whole, and the inboard of cabinet door 7 is provided with second electromagnetism isolation pad 17, and second electromagnetism isolation pad 17 is connected with cabinet door 7 laminating. The electromagnetic effect can be isolated through the second electromagnetic isolation pad 17, the cabinet door 7 is ensured to be uncharged, and the opening and closing safety performance of the cabinet door 7 is improved.
The working principle is as follows: when the electromagnetic shielding net is used, the first electromagnetic isolation pad 11 and the second electromagnetic isolation pad 17 reduce the outward or inward penetration capacity of an electromagnetic field, so that the effects of isolating and attenuating radiation interference are achieved, and the metal shielding net 2 absorbs and reflects the electromagnetic field to achieve the purpose of shielding, so that the anti-electromagnetic interference performance of the power distribution cabinet is improved; the filter 13 effectively filters the frequency point of the specific frequency in the power line 14 or the frequencies except the frequency point, so that the electromagnetic conducted interference can be inhibited; the metal block 18 and the grounding wire 19 can guide interference current generated by the power distribution cabinet into the ground, so that the power distribution cabinet is safer to use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a switch board with anti-electromagnetic interference function, includes switch board cabinet body (1), its characterized in that: the utility model discloses a power distribution cabinet, including switch board cabinet body (1), the outside of switch board cabinet body (1) is provided with metallic shield net (2), and metallic shield net (2) are connected with the outer wall laminating of the switch board cabinet body (1), the top of the switch board cabinet body (1) is provided with electromagnetic interference detector (5), and electromagnetic interference detector (5) pass through screw connection with the switch board cabinet body (1), the inside of the switch board cabinet body (1) is provided with first electromagnetic isolation pad (11), and just first electromagnetic isolation pad (11) is connected with the inner wall laminating of the switch board cabinet body (1), the inside of the switch board cabinet body (1) is provided with the distribution equipment body (12), and the distribution equipment body (12) passes through screw connection with the switch board cabinet body (1), one side of the switch board cabinet body (1) is provided with cabinet door (7), and cabinet door (7) are provided with two.
2. The power distribution cabinet with the anti-electromagnetic interference function according to claim 1, characterized in that: the utility model discloses a power distribution cabinet, including switch board cabinet body (1), the below of switch board cabinet body (1) is provided with rubber bellows (4), and rubber bellows (4) and switch board cabinet body (1) pass through the screw connection, the lower extreme of rubber bellows (4) is provided with metal block (18), and metal block (18) and rubber bellows (4) set up structure as an organic whole, the inside of rubber bellows (4) is provided with earth connection (19), and the both ends of earth connection (19) are connected structure as an organic whole with switch board cabinet body (1) and metal block (18) respectively.
3. The power distribution cabinet with the anti-electromagnetic interference function according to claim 1, characterized in that: one side of the power distribution cabinet body (1) is provided with a power line (14), one end of the power line (14) runs through the power distribution cabinet body (1) and extends to the inside of the power distribution cabinet body (1), a filter (13) is arranged below the power distribution equipment body (12), the filter (13) is connected with the power distribution cabinet body (1) through screws, and the power distribution equipment body (12) and the filter (13) are both electrically connected with the power distribution cabinet body (1).
4. The power distribution cabinet with the anti-electromagnetic interference function according to claim 1, characterized in that: the drying device is characterized in that a drying block (10) is arranged above the power distribution device body (12), and the drying block (10) is connected with the power distribution cabinet body (1) through screws.
5. The power distribution cabinet with the anti-electromagnetic interference function according to claim 1, characterized in that: a shielding plate (6) is arranged above the electromagnetic interference detector (5), and the shielding plate (6) is connected with the power distribution cabinet body (1) through screws.
6. The power distribution cabinet with the anti-electromagnetic interference function according to claim 1, characterized in that: two all be provided with visual window (9) on cabinet door (7), and visual window (9) and cabinet door (7) are connected structure as an organic whole, the inboard of cabinet door (7) is provided with second electromagnetism isolation pad (17), and second electromagnetism isolation pad (17) and cabinet door (7) laminating are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121469145.8U CN214899510U (en) | 2021-06-30 | 2021-06-30 | Power distribution cabinet with anti-electromagnetic interference function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121469145.8U CN214899510U (en) | 2021-06-30 | 2021-06-30 | Power distribution cabinet with anti-electromagnetic interference function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214899510U true CN214899510U (en) | 2021-11-26 |
Family
ID=78928973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121469145.8U Active CN214899510U (en) | 2021-06-30 | 2021-06-30 | Power distribution cabinet with anti-electromagnetic interference function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214899510U (en) |
-
2021
- 2021-06-30 CN CN202121469145.8U patent/CN214899510U/en active Active
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