CN105071142A - Cabinet capable of electromagnetic shielding - Google Patents
Cabinet capable of electromagnetic shielding Download PDFInfo
- Publication number
- CN105071142A CN105071142A CN201510448805.7A CN201510448805A CN105071142A CN 105071142 A CN105071142 A CN 105071142A CN 201510448805 A CN201510448805 A CN 201510448805A CN 105071142 A CN105071142 A CN 105071142A
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- connector
- assembly
- flange
- cabinet
- case body
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a cabinet capable of electromagnetic shielding. The cabinet comprises a shielding cabinet body, a cable assembly and a connector, the connector is in connection and communication with external equipment of the shielding cabinet body, the connector is connected with the output end of the cable assembly, a shielding layer of the cable assembly is provided with a flange assembly which prevents the shielding layer from electromagnetic leakage, the shielding cabinet body is provided with through holes through which the cable assembly penetrates, and the flange assembly is mounted at the positions of the through holes in a sealed manner. The cabinet can prevent transmission signals from interference, and the installation position of the connector can be changed.
Description
Technical field
The present invention relates to vehicle-mounted cabinet, particularly relate to a kind of cabinet with electro-magnetic screen function.
Background technology
The vehicle-mounted EBCU cabinet (electric pneumatic breaking control cabinet) of subway is as the brain of city rail vehicle control for brake, signal quick and precisely effectively transmission concern timely, safety and the reliability of car brakeing, therefore, whole EBCU cabinet needs to carry out electromagnetic shielding, prevent disturbed or become interference source, EBCU cabinet need be realized and outside communication by connector, and conventional connector cannot meet the requirement of EBCU cabinet electromagnetic shielding.
Existing connector (for D-SUB connector) mainly contains two kinds: a kind of connector adopting band shell, cable-assembly is connected with connector shell by flange, the 360 ° of articulatings realizing cable-assembly and connector shell shield, but because connector shell is absolute construction, when the signal-transmitting cable of connector is through cabinet, there is gap in cable-assembly and cabinet, cannot realize effective shielding; Another kind of connector directly welds with circuit board, causes connector installation site to change, and position is limited to.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, provides one to prevent cabinet signal transmission disturbed, and can change the cabinet with electro-magnetic screen function of connector installation site.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of cabinet with electro-magnetic screen function, comprise shielding case body, cable-assembly and for being connected with shielding case body external equipment the connector communicated, described connector is connected with the output of cable-assembly, the screen of described cable-assembly is provided with the flange assembly for preventing screen electromagnetic leakage, described shielding case body is provided with the through hole for wearing described cable-assembly, and described flange assembly is seal-installed on described through hole.
Further improvement as technique scheme:
Described shielding case body is provided with the flange for compressing described flange assembly, and described flange is pressed in the outer surface of described flange assembly.
Also comprise the connector installing rack for installing described connector, described flange is located between connector installing rack and shielding case body, and described connector installing rack, flange and shielding case body are connected by securing member.
Described flange assembly comprises pressure ring and flange, and described pressure ring is wrapped in outside described screen, and described flange sleeve is located in described through hole, and press seal is in the end of described pressure ring.
Also comprise the protective housing being located at lead to the hole site place, the terminals of described connector stretch out described protective housing.
Described connector is threaded with protective housing.
Compared with prior art, the invention has the advantages that:
Flange assembly of the present invention is seal-installed on the through hole of shielding case body, flange assembly is while preventing screen electromagnetic leakage, can ensure that again 360 ° of articulatings of cable-assembly and cabinet shield, when avoiding connector and PERCOM peripheral communication there is the phenomenon that cannot effectively shield that gap causes in cable-assembly and cabinet, prevents the problem that cabinet signal transmission is disturbed; Meanwhile, on shielding case body, the through hole of perforating line cable assembly can be arranged flexibly according to connector installation site, meets the requirement that connector installation site changes.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the enlarged diagram in the A portion of Fig. 1.
Fig. 3 is plan structure schematic diagram of the present invention.
Fig. 4 is the position relationship schematic diagram of protective housing of the present invention and connector.
Fig. 5 is the cutaway view in the A-A cross section of Fig. 4.
Fig. 6 is the cutaway view in the B-B cross section of Fig. 4.
Fig. 7 is the cutaway view in the C-C cross section of Fig. 5.
Fig. 8 is the position relationship schematic diagram of cable-assembly and connector.
In figure, each label represents:
1, shielding case body; 11, through hole; 2, cable-assembly; 21, screen; 22, core; 23, pressing; 3, connector; 4, flange assembly; 41, pressure ring; 42, flange; 5, flange; 6, connector installing rack; 7, protective housing; 8, securing member.
Embodiment
Under will be described in further details the present invention in conjunction with Figure of description and specific embodiment.
As shown in Figures 1 to 8, the cabinet with electro-magnetic screen function of the present embodiment, comprise shielding case body 1, cable-assembly 2 and connector 3, connector 3 communicates for being connected with shielding case body 1 external equipment, connector 3 is connected with the output of cable-assembly 2, the screen 21 of cable-assembly 2 is provided with flange assembly 4, flange assembly 4 is sheathed on the covering sealing of the screen 21 cable-assembly 2 realizing cable-assembly 2, to prevent the electromagnetic leakage of screen 21, shielding case body 1 is provided with the through hole 11 of perforating line cable assembly 2, flange assembly 4 is seal-installed on through hole 11 place, flange assembly 4 is while preventing screen 21 electromagnetic leakage, can ensure that again cable-assembly 2 shields with 360 ° of articulatings of cabinet, avoid connector 3 and cable-assembly during PERCOM peripheral communication 2 and shielding case body 1 and there is the phenomenon that cannot effectively shield that gap causes, prevent the problem that cabinet signal transmission is disturbed, meanwhile, on shielding case body 1, the through hole 11 of perforating line cable assembly 2 can be arranged flexibly according to connector 3 installation site, meets the requirement that connector 3 installation site changes.
In the present embodiment, shielding case body 1 is provided with flange 5 and connector installing rack 6, the outer surface that flange 5 is pressed in flange assembly 4 realizes flange assembly 4 and locates, connector 3 is installed on connector installing rack 6, flange 5 is located between connector installing rack 6 and shielding case body 1, connector installing rack 6, flange 5 and shielding case body 1 are connected by securing member 8, by tighten or screwed tightening firmware 8 can realize dismounting and the installation of parts, remove and install conveniently.
In the present embodiment, the cabinet with electro-magnetic screen function also comprises establishes protective housing 7, and protective housing 7 is located at through hole 11 position, and protective housing 7 is installed on shielding case body 1, and the terminals of connector 3 stretch out protective housing 7; Meanwhile, it is inner that connector 3 is held out against protective housing 7 by connector installing rack 6, facilitates connector 3 to be fixedly connected with protective housing 7 screw thread.
In the present embodiment, flange assembly 4 comprises pressure ring 41 and flange 42, pressure ring 41 is wrapped in outside screen 21, flange 42 is sheathed in through hole 11, and press seal is in the end of pressure ring 41, thus make screen 21 be separated covering by flange assembly 4, and pressure ring 41 crimps with the tight of flange 42, makes electrical connection reliable; The core 22 of cable-assembly 2 is pressed into connector 3 by pressing 23.
In the present embodiment, on shielding case body 1, the through hole 11 of perforating line cable assembly 2 is two, and two through hole 11 places arrange dissimilar connector 3, in other embodiments, the quantity of through hole 11 can change according to connector 3 installation requirement, as arranged one or more through hole 11 on shielding case body 1.
In the present embodiment, the erection sequence of connector 3 is: by the through hole 11 of cable-assembly 2 through shielding case body 1, through hole 11 place is located at by flange 42 sealing shroud, flange 5 pushes down flange 42, then connector installing rack 6 is pressed on flange 5, by screw, connector installing rack 6, flange 5 and shielding case body 1 is fastenedly connected; Connector 3 is positioned on connector installing rack 6, covers protective housing 7, by screw, protective housing 7 and connector 3 are fastenedly connected; Finally use screw fastening on shielding case body 1 protective housing 7.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (7)
1. one kind has the cabinet of electro-magnetic screen function, comprise shielding case body (1), cable-assembly (2) and for being connected the connector (3) communicated with shielding case body (1) external equipment, described connector (3) is connected with the output of cable-assembly (2), it is characterized in that, the screen (21) of described cable-assembly (2) is provided with the flange assembly (4) for preventing screen (21) electromagnetic leakage, described shielding case body (1) is provided with the through hole (11) for wearing described cable-assembly (2), described flange assembly (4) is seal-installed on described through hole (11) place.
2. the cabinet with electro-magnetic screen function according to claim 1, it is characterized in that, described shielding case body (1) is provided with the flange (5) for compressing described flange assembly (4), and described flange (5) is pressed in the outer surface of described flange assembly (4).
3. the cabinet with electro-magnetic screen function according to claim 2, it is characterized in that, also comprise the connector installing rack (6) for installing described connector (3), described flange (5) is located between connector installing rack (6) and shielding case body (1), and described connector installing rack (6), flange (5) and shielding case body (1) are connected by securing member (8).
4. the cabinet with electro-magnetic screen function according to claims 1 to 3 any one, it is characterized in that, described flange assembly (4) comprises pressure ring (41) and flange (42), described pressure ring (41) is wrapped in described screen (21) outward, described flange (42) is sheathed in described through hole (11), and press seal is in the end of described pressure ring (41).
5. the cabinet with electro-magnetic screen function according to claim 4, is characterized in that, also comprises the protective housing (7) being located at through hole (11) position, and the terminals of described connector (3) stretch out described protective housing (7).
6. the cabinet with electro-magnetic screen function according to claims 1 to 3 any one, is characterized in that, also comprises the protective housing (7) being located at through hole (11) position, and the terminals of described connector (3) stretch out described protective housing (7).
7. the cabinet with electro-magnetic screen function according to claim 6, is characterized in that, described connector (3) is threaded with protective housing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448805.7A CN105071142B (en) | 2015-07-28 | 2015-07-28 | A kind of cabinet with electro-magnetic screen function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448805.7A CN105071142B (en) | 2015-07-28 | 2015-07-28 | A kind of cabinet with electro-magnetic screen function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105071142A true CN105071142A (en) | 2015-11-18 |
| CN105071142B CN105071142B (en) | 2018-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510448805.7A Active CN105071142B (en) | 2015-07-28 | 2015-07-28 | A kind of cabinet with electro-magnetic screen function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071142B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714536A (en) * | 2016-12-07 | 2017-05-24 | 兰州空间技术物理研究所 | Plasma shielding protection method of electric thruster power supply line in vacuum chamber |
| CN110545651A (en) * | 2018-05-28 | 2019-12-06 | 株洲中车时代电气股份有限公司 | control cabinet for urban rail vehicle, communication method and control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570067A (en) * | 2010-12-20 | 2012-07-11 | 西安开容电子技术有限责任公司 | Shield device applicable to non-adaptation shield power cable and design method thereof |
| CN102694299A (en) * | 2012-06-11 | 2012-09-26 | 上海航天科工电器研究院有限公司 | Metal wire clip of tail end fixing cable |
| CN202907409U (en) * | 2012-10-29 | 2013-04-24 | 中国航空工业集团公司第六三一研究所 | Electromagnetic shielding sheath device |
-
2015
- 2015-07-28 CN CN201510448805.7A patent/CN105071142B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570067A (en) * | 2010-12-20 | 2012-07-11 | 西安开容电子技术有限责任公司 | Shield device applicable to non-adaptation shield power cable and design method thereof |
| CN102694299A (en) * | 2012-06-11 | 2012-09-26 | 上海航天科工电器研究院有限公司 | Metal wire clip of tail end fixing cable |
| CN202907409U (en) * | 2012-10-29 | 2013-04-24 | 中国航空工业集团公司第六三一研究所 | Electromagnetic shielding sheath device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714536A (en) * | 2016-12-07 | 2017-05-24 | 兰州空间技术物理研究所 | Plasma shielding protection method of electric thruster power supply line in vacuum chamber |
| CN110545651A (en) * | 2018-05-28 | 2019-12-06 | 株洲中车时代电气股份有限公司 | control cabinet for urban rail vehicle, communication method and control system |
| CN110545651B (en) * | 2018-05-28 | 2020-12-04 | 株洲中车时代电气股份有限公司 | Control cabinet for urban rail vehicle, communication method and control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105071142B (en) | 2018-02-02 |
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| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |