CN206542017U - Anti-interference terminal box - Google Patents
Anti-interference terminal box Download PDFInfo
- Publication number
- CN206542017U CN206542017U CN201720158177.3U CN201720158177U CN206542017U CN 206542017 U CN206542017 U CN 206542017U CN 201720158177 U CN201720158177 U CN 201720158177U CN 206542017 U CN206542017 U CN 206542017U
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- shell
- socket
- plug
- terminal box
- connecting portion
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Abstract
The utility model provides a kind of anti-interference terminal box, and the terminal box is fixedly installed on the housing of SF6 gas density is relay, and terminal box is electrically connected with relay；Terminal box includes the plug and socket that can be separated from each other or be electrically connected to each other；The material of the shell of plug and the shell of socket is nonmetallic, and the outer surface of the shell of plug and the shell of socket is electroplate with metal level；It is provided with the shell of plug in first connecting portion, the shell of socket and is provided with second connecting portion, after plug insertion socket, first connecting portion is in contact and is electrically connected with second connecting portion, so that plug is connected with socket electrical.It is simple in construction, produce and easy for installation, effectively shield the electromagnetic interference that SF6 gas density is relay may be subject to, it is ensured that the reliability and security of signal transmission, the real-time and reliability of wire communication product data transfer in strongly disturbing substation greatly improved.
Description
Technical field
The utility model is related to the on-line monitoring equipment of SF6 gas density is, more particularly to a kind of anti-interference terminal box.
Background technology
SF6 gas density is relay is that be furnished with the manometric SF6 gas density is meter of electric attachments, is mainly used in energy industry
In switchgear, pressure measxurement and limit switch set in one apparatus, are passed through a special compensation system and adjusted by it
The influence of whole environment temperature.
In Ultra-high Voltage Substations, when carrying out switching manipulation to the unloaded bus of high pressure, extremely strong transient state will be produced along bus
Electromagnetic process, and then by Space Coupling and Conduction coupling to the second protection equipment based on microelectronics and Computer Control Technology
Produce strong electromagnetic interference.Existing terminal box is insufficient for the requirement of Ultra-high Voltage Substations, it is impossible to shield electromagnetic interference, holds
Easily cause danger.
Such as Chinese invention patent application (publication number：CN101882532A a kind of SF6 gas density is relay) is disclosed, is wrapped
Include pedestal, main Bourdon tube, compensation Bourdon tube, some microswitches, the wherein regulating part corresponding with microswitch, main Bourdon tube
One end be welded on pedestal and in communication, the other end is welded on silently；And compensate Bourdon tube one end and be welded on silently,
The other end is welded in end seat；Compensate filled with sealed gas in Bourdon tube, temperature-compensating is risen to density monitor and used；Density after
The signal output contact of electrical equipment uses microswitch.The SF6 gas density is relay can not just shield what relay may be subject to
Electromagnetic interference.
Utility model content
In order to solve the above problems, the purpose of this utility model is to provide a kind of anti-interference terminal box, and the terminal box is consolidated
Surely on the housing for being arranged at SF6 gas density is relay, terminal box is electrically connected with relay；Terminal box includes being separated from each other
Or the plug and socket being electrically connected to each other；The material of the shell of plug and the shell of socket be it is nonmetallic, plug
The outer surface of the shell of shell and socket is electroplate with metal level；First connecting portion, the shell of socket are provided with the shell of plug
Interior to be provided with second connecting portion, after plug insertion socket, first connecting portion is in contact and is electrically connected with second connecting portion, so that
Plug is set to be connected with socket electrical.
The anti-interference terminal box that the utility model is related to can effectively shield electromagnetic interference, it is ensured that it is reliable that signal is transmitted
Property and security.
Further, the shell of socket is provided with groove, groove and is equiped with the first sealing ring.
Preferably, the end face that plug is connected with socket is provided with the second sealing ring.
Further, first connecting portion include the first insulator and be arranged in the middle part of the first insulator many contact pins/
Jack.
Preferably, second connecting portion include the second insulator and be arranged in the middle part of the second insulator many jacks/insert
Pin, the position of jack/contact pin is corresponding with the position of contact pin/jack in the first insulator, and the quantity of jack/contact pin is with inserting
Pin/jack is equal.
Further, the material of the shell of the shell of plug and socket is engineering plastics.
Preferably, the material of metal level is chromium or nickel.
As above, the anti-interference junction box structure that the utility model is related to is simple, easy for installation, effectively shields SF6 gases
The electromagnetic interference that density monitor may be subject to, it is ensured that the reliability and security of signal transmission.
Brief description of the drawings
Fig. 1 is a kind of structural representation of anti-interference terminal box of the utility model.
Component label instructions
1 housing
The shell of 2 plugs
21 screws
The shell of 3 sockets
31 second connecting portions
32 studs
33 O-rings
34 nuts
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this theory
Content disclosed in bright book understands other advantages of the present utility model and effect easily.Although description of the present utility model will be tied
Preferred embodiment is closed to introduce together, but this feature for not representing this utility model is only limitted to the embodiment.On the contrary, knot
The purpose that conjunction embodiment makees utility model introduction is that extension is possible to based on claim of the present utility model in order to cover
The other selections or transformation gone out.Depth of the present utility model is understood in order to provide, will be comprising many specific in describing below
Details.The utility model can also be implemented without using these details.In addition, in order to avoid chaotic or fuzzy of the present utility model heavy
Point, some details will be omitted in the de-scription.
" on ", " under ", "left", "right", " item ", " bottom " in addition, used in the following description, should not be construed as pair
Limitation of the present utility model.
In order to solve the above problems, the purpose of this utility model is to provide a kind of anti-interference terminal box, and the terminal box is consolidated
Surely it is arranged on the housing 1 of SF6 gas density is relay, terminal box is electrically connected with relay, in the utility model, wiring
It is connected with relay by data line inside box, for by the data transfer in relay to specified location.
Further, terminal box includes the plug and socket that can be separated from each other or be electrically connected to each other；Plug and socket
Separably set, in addition to production procedure is simplified, also simplify installation process, more conducively construct and transform.Specifically,
In the utility model, it is provided with the shell 2 of plug in first connecting portion, the shell 3 of socket and is provided with second connecting portion 31, first
Include non-metallic part be made up of nonmetallic materials, with insulating effect in connecting portion and second connecting portion 31, and
Metal part being made up of metal material, being arranged in insulation, after plug insertion socket, first connecting portion is connected with second
Metal part in portion 31 is in contact and realizes electrical connection, so that plug is connected with socket electrical.
Preferably, in the utility model, first connecting portion is with second connecting portion 31 in the way of single or multicore are connected
Realize electrical connection, first connecting portion and second connecting portion 31 can be with interworkings, such as：In one embodiment, first connecting portion is excellent
The many contact pins for including the first insulator and being arranged in the middle part of the first insulator are selected, second connecting portion 31 includes the second insulator
And many jacks in the middle part of the second insulator are arranged at, the first insulator and the second insulator are engineering plastics, jack
Position is corresponding with the position of contact pin, and the quantity of jack is equal with contact pin, when first connecting portion is connected with second connecting portion 31
After connecing, contact pin can be inserted in corresponding jack, and contact pin and jack are metal material, can carry out the transmission of data or signal,
So as to realize the electrical connection between first connecting portion and second connecting portion 31.
Further, in another embodiment, first connecting portion preferably includes the first insulator and is arranged at
Many jacks in the middle part of one insulator, second connecting portion 31 includes the second insulator and is arranged at many in the middle part of the second insulator
Root contact pin, the position of contact pin is corresponding with the position of the jack in the first insulator, and the quantity and the quantity phase of jack of contact pin
Deng after first connecting portion is connected with second connecting portion 31, contact pin can be inserted in corresponding jack, so as to realize the first company
Electrical connection between socket part and second connecting portion 31.
Further, in the utility model, core number can enter according to electric contact demand different in actual use situation
Row is set, and is detachable between the shell 3 of second connecting portion 31 and socket between the shell 2 of first connecting portion and plug
Connection, in this way, can not only reduce wiring, installs more convenient, can also easily be transformed, need to only be changed in terminal box
First connecting portion and second connecting portion 31.
In the utility model, the material of the shell 2 of plug and the shell 3 of socket is nonmetallic materials, in this reality
In new, it is preferred to use engineering plastics as plug shell 2 and socket shell 3 material, be effectively guaranteed and connect
Insulating properties inside line box；The outer surface of the shell 2 of plug and the shell 3 of socket is electroplate with metal level, in the utility model
In, it is preferred to use chromium or nickel are used as the metal level electroplated in the shell 2 of plug and the shell 3 of socket；It is electroplate with metal level
Plug and socket can shield 99.99% electromagnetic pollution, and wire communication product greatly improved in strongly disturbing transformer station's ring
The security of data transfer, real-time and reliability in border.But the utility model is not limited merely to this, other can also be selected
Metal material plating plug shell 2 and socket shell 3 outer surface on, with realize shielding electromagnetic pollution effect
Really.
Further, in the utility model, for the performance of the shielding electromagnetic interference that further improves terminal box, docking
Line box has carried out encapsulation process, specifically：
First, in one embodiment, the housing 1 of the radian of the one side being in contact with relay of socket and relay
Radian is equal, both is fitted completely, and socket is fixed on the housing 1 of relay using many studs 32.Specifically,
Multiple through holes are accordingly drilled with the shell 1 of relay and the shell 3 of socket, many studs 32 are sequentially passed through into relay
Passed after through hole on the shell 1 of device and the shell 3 of socket, both are fixedly connected using multiple nuts 34, if necessary may be used
Aided in installing with torque spanner, make its secure seal, leave no gaps.In the utility model, it is preferred to use four M3 × 8 (spiral shells
Away from for 3 millimeters, length is 8 millimeters) the socket of stud 32 be fixed on relay1 case.
Secondly, it is provided with the shell 3 of socket in groove, groove and is equiped with the first sealing ring, it is ensured that when plug and socket
After plugging together, it is ensured that gas or oil are not leaked in SF6 gas density is relay watchcase, while further increasing terminal box screen
Cover the performance of electromagnetic interference.
Further, after second connecting portion 31 is fitted into the shell 3 of socket, second connecting portion 31 and the shell 3 of socket
Between be provided with sealing O-ring 33, be further ensured that air-tightness.
Again, the end face being connected in plug with socket is further provided with the second sealing ring, further enhances sealing effect
Really.
Finally, it is fixedly connected after running through whole plug from plug exterior using screw 21 with socket, further improves sealing
Performance, in the utility model, it is preferred to use M3 × 30 (pitch be 3 millimeters, length be 30 millimeters) screw 21 by plug with
Socket is connected.
After a variety of seal means, connection box is completely sealed, with outside isolation, and close completely inside seal box
The dustproof and waterproof grade for the connection box being honored as a queen reaches IP65 (electrical appliance enclosure is to allotrylic degree of protection), can prevent completely
Only dust enters, and the low-pressure fuel injection of any angle does not result in influence on it.Further, the connection box after sealing is also
The ability of electromagnetism interference is can further improve, protective benefitses are more than 50db (decibel).
It is securely fitted in when it is implemented, anti-interference wiring is box-packed on the metal shell of SF6 gas density is relay, SF6
Gas density relay can be on high-voltage switch gear gas insulated combined electrical equipment (GIs), and GIS shells can access the earth, you can will
Electromagnetic interference is introduced directly into the earth, terminal box and the combining form of metal shell is realized the shielding action to electromagnetic interference.
As above, the anti-interference junction box structure that the utility model is related to is simple, produces and easy for installation, effectively shields
The electromagnetic interference that SF6 gas density is relay may be subject to, it is ensured that the reliability and security of signal transmission.In addition, this reality
Different electric contact quantity can also be selected according to terminal box core number with new anti-interference terminal box, it is flexible and convenient to use, no
Wiring can only be reduced, more conducively construct and transform, and the anti-interference terminal box can shield 99.99% electromagnetic pollution, significantly
The real-time and reliability of wire communication product data transfer in strongly disturbing substation are improved, with very high reality
With value, it is worth carrying out wide popularization and application.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any those skilled in the art can all repair without prejudice under spirit and scope of the present utility model to above-described embodiment
Decorations change.Therefore, skilled artisan is under without departing from the spirit and technological thought disclosed in the utility model
All equivalent modifications completed or change, should be covered by claim of the present utility model.
Claims (7)
1. a kind of anti-interference terminal box, it is characterised in that the terminal box is fixedly installed on the housing of SF6 gas density is relay
On, the terminal box is electrically connected with the relay；The terminal box includes inserting for being separated from each other or be electrically connected to each other
Head and socket；The material of the shell of the shell of the plug and the socket be it is nonmetallic, the shell of the plug with
And the outer surface of the shell of the socket is electroplate with metal level；First connecting portion, the socket are provided with the shell of the plug
Shell in be provided with second connecting portion, when the plug insert the socket after, the first connecting portion is connected with described second
Portion is in contact and is electrically connected, so that the plug is connected with the socket electrical.
2. anti-interference terminal box as claimed in claim 1, it is characterised in that the shell of the socket is provided with groove, described
The first sealing ring is equiped with groove.
3. anti-interference terminal box as claimed in claim 1, it is characterised in that the end face that the plug is connected with the socket
It is provided with the second sealing ring.
4. anti-interference terminal box as claimed in claim 3, it is characterised in that the first connecting portion include the first insulator with
And it is arranged at many contact pin/jacks in the middle part of first insulator.
5. anti-interference terminal box as claimed in claim 4, it is characterised in that the second connecting portion include the second insulator with
And it is arranged at many jack/contact pins in the middle part of second insulator, the position of the jack/contact pin and first insulator
The position of the interior contact pin/jack is corresponding, and the quantity of the jack/contact pin is equal with the contact pin/jack.
6. anti-interference terminal box as claimed in claim 1, it is characterised in that the shell of the plug and the socket it is outer
The material of shell is engineering plastics.
7. anti-interference terminal box as claimed in claim 1, it is characterised in that the material of the metal level is chromium or nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158177.3U CN206542017U (en) | 2017-02-22 | 2017-02-22 | Anti-interference terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158177.3U CN206542017U (en) | 2017-02-22 | 2017-02-22 | Anti-interference terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542017U true CN206542017U (en) | 2017-10-03 |
Family
ID=59946493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720158177.3U Active CN206542017U (en) | 2017-02-22 | 2017-02-22 | Anti-interference terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206542017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244716A (en) * | 2018-11-12 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of socket and its motor, connection method |
-
2017
- 2017-02-22 CN CN201720158177.3U patent/CN206542017U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244716A (en) * | 2018-11-12 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of socket and its motor, connection method |
| CN109244716B (en) * | 2018-11-12 | 2024-06-14 | 珠海格力电器股份有限公司 | Socket, motor thereof and connecting method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |