CN202204838U - Voltage wiring terminal - Google Patents
Voltage wiring terminal Download PDFInfo
- Publication number
- CN202204838U CN202204838U CN2011202949408U CN201120294940U CN202204838U CN 202204838 U CN202204838 U CN 202204838U CN 2011202949408 U CN2011202949408 U CN 2011202949408U CN 201120294940 U CN201120294940 U CN 201120294940U CN 202204838 U CN202204838 U CN 202204838U
- Authority
- CN
- China
- Prior art keywords
- voltage
- wiring
- box body
- terminal
- protection unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a voltage wiring terminal. The voltage wiring terminal comprises a box body, wherein an input wiring end and an output wiring end are respectively arranged on the two sides of the box body; a bus test jack and a fuse protection unit which are in series connected are also formed on the box body; and the bus test jack and the fuse protection unit are in series connected between the input wiring end and the output wiring end. By using the voltage wiring terminal, the test performed on a secondary voltage loop and the wiring work in the process of debugging are greatly facilitated; the reliability of wiring is guaranteed; the problems of personal electric shock during the process of wiring, voltage loop short circuit, and wiring unreliability, inconvenience and the like are solved effectively; and the voltage wiring terminal has the advantages of rapidness, reliability and safety. The fuse protection unit not only protects connected equipment, but also rapidly isolates the equipment or a connecting line in a protection section when an overcurrent occurs, so that the problems of measurement and certain protection failures caused by the reason that the all protective devices in a screen cannot acquire a pressure change voltage because of large-range secondary voltage loss are prevented.
Description
[technical field]
The utility model relates to the improvement of the voltage-type connection terminal structure that uses in the automation control area.
[background technology]
In a lot of automation control area, the application of voltage-type connection terminal is quite general, particularly in the transformer station of electric system, all lacks the application of bound voltage-type connection terminal.
The structure that conventional voltage-type connection terminal generally adopts one-in-and-one-out or to advance to have more; Electrical secondary system is debugged, when safeguarding; Need to insert the secondary terminals three-phase voltage of voltage transformer (VT); When operation, often adopt p-wire on parallelly connected terminal, to carry out, so just caused a lot of problems with inserted sheet screw tightening or the mode that directly is clipped on the terminal with the test clip:
1, dangerous: as to connect, the personnel that can cause when taking out stitches get an electric shock (general AC 100V); Clip is touched through regular meeting at narrow space each other, causes the secondary voltage short circuit.
2, unreliable: clip folder easily is not tight, even comes off.
3, inconvenience: take time and effort very much during wiring, influence operating personnel's mood; Wiring, when taking out stitches for considering safety, must secondary voltage be had a power failure the influence operation.
4, common connection terminal only is that the circuit of wiring continues, and is not with protected location, and electric substation's secondary voltage circuit adopts sky to open as main protection; Little bus is drawn from the screen top; And each protective device is directly parallel in after sky opens, in case voltage circuit generation excess current in certain protective device will make the screen head space open tripping; Cause that all protective devices in this screen can't collect the pressure time variant voltage, cause measurement and some protection malfunctioning.
5, when having a power failure the device applied voltage test, arranged side by side for causing inside and outside voltage circuit, must external cabling be broken off.
6, still there is the problem that is connected to voltage circuit in the measuring and controlling protective device of backup device maintenance power failure.
[utility model content]
The purpose of the utility model solves the problems of the prior art exactly, proposes a kind of voltage terminal, not only can improve the convenience and the reliability of wiring, and can protect the equipment that is connected, and isolates fast when excess current takes place.
For realizing above-mentioned purpose; The utility model provides a kind of voltage terminal; Comprise box body; The both sides of said box body are respectively equipped with input terminal and outlet terminal, also are provided with the bus test jack and the fuse protection unit of series connection on the said box body, and said bus test jack and fuse protection units in series are between input terminal and outlet terminal.
As preferably, said bus test jack is a cylindrical hole.
As preferably, the end of said bus test jack also is provided with the color identifying termination.
As preferably, establish the protected location slot on the said box body, the fuse protection unit inserts the plug-in syndeton that realizes in the protected location slot with box body.
The beneficial effect of the utility model: the utility model has greatly made things convenient for test, the wiring work of carrying out at secondary voltage circuit when debugging; And guaranteed the reliability of wiring; Person electric shock, voltage circuit short circuit and problems such as wiring is unreliable, inconvenience when efficiently solving wiring have quick, reliable, safe advantage.The equipment that is connected has not only been protected in the fuse protection unit; Isolate fast when equipment that can also the protection section is interior or connecting line generation excess current; Prevent to cause large-scale secondary voltage decompression; Cause that all protective devices in this screen can't collect the pressure time variant voltage, cause the problem malfunctioning of measuring with some protection.
Characteristic of the utility model and advantage will combine accompanying drawing to be elaborated through embodiment.
[description of drawings]
Fig. 1 is the structural representation of a kind of voltage terminal of the utility model.
[embodiment]
As shown in Figure 1; A kind of voltage terminal; Comprise box body 1, the both sides of said box body 1 are respectively equipped with input terminal 2 and outlet terminal 3, but input terminal 2 and outlet terminal 3 stube cable lines 4; Also be provided with the bus test jack 5 and fuse protection unit 6 of series connection on the said box body 1, said bus test jack 5 and fuse protection unit 6 are connected between input terminal 2 and the outlet terminal 3.Through installing bus test jack 5 additional; Test, the wiring work when debugging carried out at secondary voltage circuit have greatly been made things convenient for; And guaranteed the reliability of wiring; Person electric shock, voltage circuit short circuit and problems such as wiring is unreliable, inconvenience when efficiently solving wiring have played quick, reliable, safe effect.Through installing fuse protection unit 6 additional; Can prevent excess current; Not only protect the equipment that is connected, isolated fast when equipment that can also the protection section is interior or connecting line generation excess current, prevented to cause large-scale secondary voltage decompression; Cause that all protective devices in this screen can't collect the pressure time variant voltage, cause measurement and some protection malfunctioning.
Said bus test jack 5 is a cylindrical hole, and cylindrical hole is simple in structure, and plug is convenient.The end of said bus test jack 5 also is provided with the color identifying termination; Adopt the color identifying termination of different colours on the different terminals; Both made things convenient for tester's wiring, and also can let the operating personnel find the relevant voltage connection terminal very soon, even the wrong position; Also can be able to easily, efficiently find, to reduce the generation of mis-wired.Establish the protected location slot on the said box body 1, fuse protection unit 6 inserts the plug-in syndeton that realizes in the protected location slot with box body 1.The box-packed fuse of plug-in can be changed easily; Fuse is contained in the box, even fuse is cracked, fragment can not fallen in the connection terminal yet; It is directly quick to switch on and off voltage circuit during plug, solves common spiral fuse switching on and off moment contact jitter problem, prevents to protect measure and control device generating means fault and malfunction when voltage circuit is shaken; Fuse is when extracting, and measuring and controlling protective device no longer includes voltage and inserts, when being applicable to the device interruption maintenance or backup device; When fuse when extracting, there is obvious cut-off point in inside and outside voltage circuit, can install applied voltage test or debugging this moment, and need not external cabling be thrown off; When carrying out applied voltage test, if fuse is not extracted, with the voltage that mutual inductor secondary voltage and testing apparatus take place synchronization paralleling not, at this moment, fuse will quick fuse, effectively protects the safety of mutual inductor and testing apparatus.
In new improved voltage terminal, also introduced the auto-lock function of holding screw 7, prevent that screw from coming off.Very thin lead in fastening frame, adopts screw thread, even can guarantee that also the wiring contact portion is connected firmly.
The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection domain that scheme after the utility model simple transformation is all belonged to the utility model.
Claims (4)
1. voltage terminal; It is characterized in that: comprise box body; The both sides of said box body are respectively equipped with input terminal and outlet terminal; Also be provided with the bus test jack and the fuse protection unit of series connection on the said box body, said bus test jack and fuse protection units in series are between input terminal and outlet terminal.
2. a kind of voltage terminal as claimed in claim 1, it is characterized in that: said bus test jack is a cylindrical hole.
3. a kind of voltage terminal as claimed in claim 1, it is characterized in that: the end of said bus test jack also is provided with the color identifying termination.
4. like claim 1 or 2 or 3 described a kind of voltage terminal, it is characterized in that: establish the protected location slot on the said box body, the fuse protection unit inserts the plug-in syndeton that realizes in the protected location slot with box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202949408U CN202204838U (en) | 2011-08-15 | 2011-08-15 | Voltage wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202949408U CN202204838U (en) | 2011-08-15 | 2011-08-15 | Voltage wiring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202204838U true CN202204838U (en) | 2012-04-25 |
Family
ID=45968956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202949408U Expired - Fee Related CN202204838U (en) | 2011-08-15 | 2011-08-15 | Voltage wiring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202204838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290570A (en) * | 2017-07-28 | 2017-10-24 | 广东电网有限责任公司揭阳供电局 | A kind of failure protection calibrating terminal |
| CN109870603A (en) * | 2018-12-27 | 2019-06-11 | 国网山东省电力公司潍坊供电公司 | A kind of joint termination |
-
2011
- 2011-08-15 CN CN2011202949408U patent/CN202204838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290570A (en) * | 2017-07-28 | 2017-10-24 | 广东电网有限责任公司揭阳供电局 | A kind of failure protection calibrating terminal |
| CN107290570B (en) * | 2017-07-28 | 2023-03-24 | 广东电网有限责任公司揭阳供电局 | Failure protection test terminal |
| CN109870603A (en) * | 2018-12-27 | 2019-06-11 | 国网山东省电力公司潍坊供电公司 | A kind of joint termination |
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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 |
Granted publication date: 20120425 Termination date: 20140815 |
|
| EXPY | Termination of patent right or utility model |