CN203166455U - Soft sealing element used for electromagnetic shielding of electric cabinet - Google Patents
Soft sealing element used for electromagnetic shielding of electric cabinet Download PDFInfo
- Publication number
- CN203166455U CN203166455U CN 201220713689 CN201220713689U CN203166455U CN 203166455 U CN203166455 U CN 203166455U CN 201220713689 CN201220713689 CN 201220713689 CN 201220713689 U CN201220713689 U CN 201220713689U CN 203166455 U CN203166455 U CN 203166455U
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- seal member
- electric cabinet
- sealing element
- electromagnetic shielding
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a soft sealing element used for electromagnetic shielding of an electric cabinet. The sealing element comprises a sealing element body which is formed by a methyl vinyl silicone rubber and a nickel-carbon powder according to a proportion. Two side surfaces of the sealing element body are provided with grooves. A middle part of the sealing element body is provided with a high voltage cable used to accommodate the electric cabinet or a through hole of a connector assembly. The sealing element can carry out good electromagnetic shielding on the electric cabinet and possesses flexibility and sealability of a traditional sealing member so that reliable and stable operation of an electronic product is guaranteed and the electronic product is guaranteed not to be influenced by electromagnetic interference of other electronic products.
Description
Technical field
The utility model relates to a kind of soft seal member for the electric cabinet electromagnetic shielding.
Background technology
At industrial circles such as automobile, Aero-Space, hyundai electronics, value volume and range of product electric, information equipment get more and more, and performance is more and more advanced, and its use occasion and number density are also more and more higher.And the use of electronic product relates to the common problem of electromagnetic compatibility.In electronic product and other equipment interface positions, as connector, high-tension cable etc. influence the position of electromagnetic compatibility maximum often.And at these positions, should guarantee the sealing property of connector or high-tension cable and electric cabinet metal chassis, satisfy the requirement of electromagnetic shielding again.Usually adopt the General Purpose Rubber seal to seal between electric cabinet metal chassis and connector or the high-tension cable, the General Purpose Rubber seal has good flexibility, good seal performance, but can't satisfy the electromagnetic shielding requirement of electric cabinet.And electromagnetically screening seal when design, the processing etc. that need take all factors into consideration shielding material, shielding mode, slit and hole is all multifactor.The electromagnetic compatibility of electronic product is related to the security reliability of electronic system operation around it, also is related to the property safe and reliable to operation of self function.Especially in electric automobile, use powerful power electronic equipment in the electric machine controller, electric machine control system can produce very strong electromagnetic interference in running, may make the car load fluctuation of service or influence operate as normal vehicle-mounted or near the outer electric equipment of car.And electric machine control system also may be subjected to the influence of other electronic product on every side, makes the electric machine control system cisco unity malfunction, and influences the normal operation of car load, even bring safety problem.At present, be difficult to find a kind of electromagnetic shielding requirement of both having satisfied, the seal that has fine flexibility again.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of soft seal member for the electric cabinet electromagnetic shielding, utilize this seal member to implement good electromagnetic shielding to electric cabinet, and possess flexibility and the sealing of conventional seals part, thereby guaranteed the reliable and stable operation of electronic product and be not subjected to the influence of other electronic product electromagnetic interference.
For solving the problems of the technologies described above, the soft seal member that the utility model is used for the electric cabinet electromagnetic shielding comprises the seal member body of being made by methyl vinyl silicone rubber and nickel carbon dust proportioning, described seal member body two sides are provided with groove, and described seal member body has the high-tension cable that holds electric cabinet or the through hole of connector between two parties.
Further, above-mentioned seal member body is half slide structure, and described through hole is uniform along the Hough line.
Further, above-mentioned through hole is circle or rectangle.
Because being used for the soft seal member of electric cabinet electromagnetic shielding, the utility model adopted technique scheme, be that this seal member comprises the seal member body of being made by methyl vinyl silicone rubber and nickel carbon dust proportioning, described seal member body two sides are provided with groove, and described seal member body has the high-tension cable that holds electric cabinet or the through hole of connector between two parties.This seal member can be implemented good electromagnetic shielding to electric cabinet, and possesses flexibility and the sealing of conventional seals part, thereby has guaranteed the reliable and stable operation of electronic product and be not subjected to the influence of other electronic product electromagnetic interference.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is used for the schematic diagram of the soft seal member rectangular through-hole of electric cabinet electromagnetic shielding for the utility model;
Fig. 2 is half slide structure and the schematic diagram of offering manhole for this seal member;
Fig. 3 uses schematic diagram for this seal member.
Embodiment
As depicted in figs. 1 and 2, the soft seal member that the utility model is used for the electric cabinet electromagnetic shielding comprises the seal member body of being made by methyl vinyl silicone rubber and nickel carbon dust proportioning 1, described seal member body 1 two sides are provided with groove 2, and described seal member body 1 has the high-tension cable that holds electric cabinet or the through hole 3 of connector between two parties.
Further, above-mentioned seal member body 1 is half slide structure, and described through hole 3 is uniform along Hough line 11.
Further, above-mentioned through hole 3 is circle or rectangle.
This seal member is owing to adopted methyl vinyl silicone rubber and nickel carbon dust proportioning material to make, the methyl vinyl silicone rubber high-low temperature resistant, can be-50～250 ℃ of following long-term works, and protection against the tide, electrical insulating property, anti-electric arc, corona are good, itself and nickel carbon dust or silver-colored aluminium powder, silver-bearing copper powder have good capability of electromagnetic shielding after preparing by a certain percentage, therefore this seal member has electro-magnetic screen function, and has both good flexibility and sealing, satisfies the requirement of shelter of electric cabinet.According to the feature of electronic product, this seal member can be used in the low pressure connector of electric cabinet signal wire harness and electrical isolation and the casing sealing between high pressure wire harness and the electric cabinet metal chassis.Resistance 0.1～1m Ω of this seal member, electromagnetic shielding efficiency is greater than 100dB, sealing can satisfy the degree of protection of GB/T 4942.2-1993, has wideer serviceability temperature scope, can in wide temperature range, keep better elastic, has better hardness, less compression set, solvent-proof dilatancy and steam proof stability and good cold resistance etc. preferably, this seal member can be made the bigger goods of thickness as required, can further improve sealing property and the product appearance of electronic product according to the shape of product die sinking during making.
As shown in Figure 3, the three-phase high-voltage power wire harness 5 that electric cabinet 4 is drawn, this seal member 1 is the half slide structure that baseline is made symmetry with the central shaft of high voltage power wire harness 5, the manhole of seal member 1 and high voltage power wire harness 5 tight fits, at the three-phase wire harness, seal member 1 can be offered three manholes at interval, seal member 1 embeds in the electric cabinet 4 metal chassis through holes and close-fitting by the groove of both sides, half seal member at first can be embedded the casing through hole during concrete the assembling, wire harness is put into the through hole of half seal member, then second half seal member is embedded the casing through hole, adopt cover plate 6 to compress, make seal member 1 and electric cabinet 4 casings, form complete electromagnetic shielding and casing sealing between the wire harness 5.Low pressure connector 7 at electric cabinet 4, seal member 1 can be offered rectangular through-hole, after the rectangular through-hole of seal member 1 is inserted in connector 7, connector 7 and casing switching, seal member 1 grooves on two sides embeds in the casing through hole, thereby makes complete electromagnetic shielding and the casing sealing of formation between seal member 1 and connector 7, electric cabinet 4 casings.
This seal member can effectively reduce manufacturing cost, is conducive to implement the electromagnetic shielding scheme of electronic product through engineering approaches, satisfies the demand of product volume production, can guarantee the sealing property of electronic product, satisfies the electromagnetic shielding requirement of electronic product again.
Claims (3)
1. soft seal member that is used for the electric cabinet electromagnetic shielding, it is characterized in that: this seal member comprises the seal member body, described seal member body two sides are provided with groove, and described seal member body has the high-tension cable that holds electric cabinet or the through hole of connector between two parties.
2. the soft seal member for the electric cabinet electromagnetic shielding according to claim 1, it is characterized in that: described seal member body is half slide structure, and described through hole is uniform along the Hough line.
3. the soft seal member for the electric cabinet electromagnetic shielding according to claim 1 and 2, it is characterized in that: described through hole is circle or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220713689 CN203166455U (en) | 2012-12-21 | 2012-12-21 | Soft sealing element used for electromagnetic shielding of electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220713689 CN203166455U (en) | 2012-12-21 | 2012-12-21 | Soft sealing element used for electromagnetic shielding of electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166455U true CN203166455U (en) | 2013-08-28 |
Family
ID=49027615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220713689 Expired - Fee Related CN203166455U (en) | 2012-12-21 | 2012-12-21 | Soft sealing element used for electromagnetic shielding of electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244837A (en) * | 2015-11-16 | 2016-01-13 | 国家电网公司 | Cable connecting device and monitoring system thereof |
| CN111509611A (en) * | 2020-04-27 | 2020-08-07 | 中船澄西船舶修造有限公司 | Repair and replacement method for ship deck cable transition box |
-
2012
- 2012-12-21 CN CN 201220713689 patent/CN203166455U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244837A (en) * | 2015-11-16 | 2016-01-13 | 国家电网公司 | Cable connecting device and monitoring system thereof |
| CN111509611A (en) * | 2020-04-27 | 2020-08-07 | 中船澄西船舶修造有限公司 | Repair and replacement method for ship deck cable transition box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20181221 |