CN206003601U - Current transformer exports anti-open circuit wiring device - Google Patents
Current transformer exports anti-open circuit wiring device Download PDFInfo
- Publication number
- CN206003601U CN206003601U CN201620862389.5U CN201620862389U CN206003601U CN 206003601 U CN206003601 U CN 206003601U CN 201620862389 U CN201620862389 U CN 201620862389U CN 206003601 U CN206003601 U CN 206003601U
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- Prior art keywords
- current transformer
- open circuit
- junction box
- wiring device
- circuit wiring
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Abstract
The utility model discloses a kind of current transformer exports anti-open circuit wiring device, including：Junction box；Binding post, in junction box, including multiple terminal positions；Disjunction slide block, located at terminal position, disjunction slide block is operationally slided in terminal position to close terminal position two ends or disconnect；Cable wears portion, and located at the end of junction box, the cable portion of wearing is two, and two cables can be each passed through two cables and wear portion to be connected with the both ends of the terminal position of binding post respectively.The current transformer that the utility model is provided exports anti-open circuit wiring device, during normal work, the disjunction slide block of binding post is in closure state, current transformer is connected with on-off controller, when needing to on-off controller defect elimination, current transformer is passed through p-wire short circuit, the disjunction slide block of binding post is turned off state, the visible and short circuit reliability of Current Transformer Secondary side short circuit.
Description
Technical field
The utility model is related to electrical equipment technical field, and more particularly to a kind of current transformer exports anti-open circuit wiring
Device.
Background technology
On-pole switch is the important component part that distribution automation system is built, and all has very wide in the power grid construction of various places
General application, its critical piece are generally also provided with a current transformer in addition to close/open machine, and the current transformer can be by
On-pole switch by primary current conversion after by control cable export to distribution power automation terminal.
Current transformer is the operation principle using transformer, and the high current of primary winding is converted into the little of secondary coil
Electric current, in actual applications, if the output end open circuit that secondary coil is current transformer will result in current transformer heating and damage
Ruin, and jeopardize tester, it might even be possible to jeopardize the safety of power construction personnel, therefore need in power construction highly reliable
Measure be not at open-circuit condition ensureing Current Transformer Secondary coil.
At present, on-pole switch is generally attached using cable and aviation connector with distribution power automation terminal, although had
The function of plug anti-open circuit automatically when a little aviation heads for being used for current loop are also equipped with extracting socket, but this anti-open circuit design
It is not evident that, does not ensure that absolute reliability.
Utility model content
Based on this, it is necessary to for existing anti-open circuit set it cannot be guaranteed that a kind of electric current of cocksure problem offer is mutual
Sensor exports anti-open circuit wiring device.
A kind of current transformer exports anti-open circuit wiring device, including：
Junction box；
Binding post, in the junction box, including multiple terminal positions；
Disjunction slide block, located at the terminal position, the disjunction slide block is operationally slided in the terminal position with will be described
Terminal position two ends closure disconnects；
Cable wears portion, and located at the end of the junction box, the cable portion of wearing is two, and two cables can be worn respectively
Cross two cables portion is worn to be connected with the both ends of the terminal position of the binding post respectively.
The current transformer that the utility model is provided exports anti-open circuit wiring device, the output end cable of current transformer with
The cable of on-off controller remote control electric current input is each passed through two cables and wears portion and be connected with the two ends of binding post respectively,
When working properly, the disjunction slide block of binding post is in closure state, and current transformer is connected with on-off controller, works as needs
When defect elimination is carried out to on-off controller, first current transformer is passed through p-wire short circuit, then by the disjunction slide block of binding post
State is turned off, now current transformer is disconnected with on-off controller, the short circuit of Current Transformer Secondary side is visible and short circuit can
Lean on, it is ensured that absolute reliability.
Wherein in one embodiment, also include guide rail, the guide rail is located inside the junction box, the binding post
It is arranged in the guide rail.
Wherein in one embodiment, the junction box includes casing and case lid, and the binding post is located at the casing
Inside, the case lid are provided with screw hole, and the case lid is connected by screw hole with the casing.
Wherein in one embodiment, also include rubber cushion, the rubber cushion is located to incite somebody to action between the casing and the case lid
Seal between the casing and the case lid.
Wherein in one embodiment, the distance between the binding post and described wiring box wall are 4cm-6cm.
Wherein in one embodiment, also include to buckle, described buckle located at the outside of the junction box.
Wherein in one embodiment, described buckling is welded and fixed with the junction box.
Wherein in one embodiment, the cable portion of wearing includes fixed seat, cable clamp jaw and clamping head, described solid
Reservation is located at the junction box, and the fixed seat periphery is provided with external screw thread, and the clamping head inner circumferential is provided with internal thread, the cable
Clamp jaw is sheathed on the outside of the cable and is arranged on the inside of the fixed seat, the clamping head be sheathed on the cable with described
It is screwed on the outside of cable clamp jaw and with the fixed seat.
Wherein in one embodiment, the binding post is provided with the jack for inserting test plug.
Wherein in one embodiment, two cable portions of wearing are all located at the same one end of the junction box.
Description of the drawings
Fig. 1 is the structure chart that the current transformer that one embodiment of the utility model is provided exports anti-open circuit wiring device；
Fig. 2 is the installation figure of Fig. 1；
Fig. 3 is the working state figure that the current transformer provided in Fig. 1 exports anti-open circuit wiring device；
Fig. 4 is that the current transformer provided in Fig. 1 exports the binding post of anti-open circuit wiring device in enforcement state 1
When fundamental diagram；
Current transformer provided in Fig. 5 Fig. 1 export the binding post of anti-open circuit wiring device in enforcement state 2 when
Fundamental diagram.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
Existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply herein
The purpose of description specific embodiment, it is not intended that in limiting the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
Referring to Fig. 1-Fig. 3, the utility model embodiment provides a kind of current transformer and exports anti-open circuit wiring device, bag
Include：
Junction box 10；
Binding post 20, in junction box 10, including multiple terminal positions 21；
Disjunction slide block (not shown), located at terminal position 21 is located at, disjunction slide block is operationally slided in terminal position 21 to incite somebody to action
21 two ends of terminal position closure disconnects；
Cable wears portion 30, and located at the end of junction box 10, cable wears portion 30 for two, and two cables can be each passed through
Two cables wear portion 30 to be connected with the both ends of the terminal position 21 of binding post 20 respectively.
The current transformer that the utility model embodiment is provided exports anti-open circuit wiring device, current transformer a output end
Cable a1 is each passed through two cables with the cable b1 of on-off controller b remote measurement electric current input and wears portion 30 with binding post 20
The two ends connection of terminal position, when working properly, the disjunction slide block of binding post 20 is in closure state, current transformer a with
On-off controller b is connected, and when needing to carry out defect elimination to on-off controller b, first current transformer a is passed through p-wire short circuit,
Then the disjunction slide block of binding post 20 is turned off state, now current transformer a and on-off controller b disconnects, and
The visible and short circuit reliability in Current Transformer Secondary side short circuit road, it is ensured that absolute reliability.
Referring to Fig. 4 and Fig. 5, the operation principle of the binding post 20 is, when in enforcement state 1 as shown in Figure 4, this
When disjunction slide block be in closure state, due to the switch that each terminal position 21 is independent equivalent to, then switch now (K1,
K2) closure state is in, then C1, the C2 at switch (K1, K2) two ends is turned on NC1 and NC2 respectively, current transformer a and switch
Controller b is in connected state, i.e. normal operating conditions；When in enforcement state 2 as shown in Figure 5, now disjunction slide block
It is off, switch (K1 ', K2 ') is off, is now connected to C1 ', C2 ' point of switch (K1 ', K2 ') two ends
Other NC1 ' and NC2 ' disconnects, and NC1 ' and NC2 ' is passed through p-wire short circuit, and now current transformer a is in short circuit state.Can
Wiring hole is provided with each terminal position 21, short circuit work is carried out so as to p-wire insertion, and is screwed in wiring hole by screw
Fixing p-wire, screw used are minus screw.
Specifically, in the present embodiment, binding post 20 is provided with the jack for inserting test plug, so as to easily
Test plug is inserted in jack, realizes the various tests connection of the secondary circuit of current transformer a.The binding post 10 meets
The standards such as IEC60947-1, GB/T14048.1, JB/T9659.1, can pass through rated current 57A.
Referring to Fig. 1 and Fig. 3, in the present embodiment, it is two that cable wears the quantity in portion 30, and two cables wear portion equal 30
Same one end located at junction box 10.Junction box 10 is separately penetrated in order to the cable of current transformer a and on-off controller b.
Specifically, cable wears portion 30 includes fixed seat 31, cable clamp jaw 32 and clamping head 33, and fixed seat 31 is located at and connects
Line case 10,31 periphery of fixed seat are provided with external screw thread 311, and 33 inner circumferential of clamping head is provided with internal thread, and cable clamp jaw 32 is sheathed on electricity
On the outside of cable and be arranged in the inner side of fixed seat 31, clamping head 33 be sheathed on cable with 32 outside of cable clamp jaw and with 31 spiral shell of fixed seat
Line is fixed.Cable clamp jaw 32 can be clamped in cable in fixed part 31, and clamping head 33 is sheathed on 32 one end of cable clamp jaw
Outside and threaded with fixed seat 31 to fix cable.
Specifically, cable is worn portion 30 and is made using metal material, waterproof, dust-proof, salt resistance, acid and alkali-resistance, alcohol, grease
And common solvent.
Referring to Fig. 2, in the present embodiment, also include guide rail 40, inside junction box 10, binding post 20 blocks guide rail 40
Located at guide rail 40.Guide rail 40 can be fixed on the inside of junction box 10 by screw, and binding post 20 is located at by guide rail 40 and connects
Inside line case.
Specifically, the distance between binding post 20 and 10 madial wall of junction box are 4cm-6cm, so that the current transformer
Export anti-open circuit wiring apparatus structure compact and portable.
Referring to Fig. 1, in the present embodiment, junction box 10 includes casing 11 and case lid 12, and binding post 20 is located at casing 11
Inside, case lid 12 are provided with screw hole 121, and case lid 12 is connected by screw hole with casing 11.When needing to open junction box 10,
Screw can be twisted off, case lid 12 is opened, easy to operate.
Specifically, junction box 10 is hollow cuboid, and certainly, the shape of junction box 10 is not limited, and acceptable
It is the square bodily form or other shapes for being contemplated that.
Further, also include rubber cushion 50, rubber cushion 50 be located between casing 11 and case lid 12 with by casing 11 and case lid 12 it
Between seal.Rubber cushion 50 is located to ensure the sealing of junction box 10 between casing 11 and case lid 12, and water resistance is good.
Referring to Fig. 2, in the present embodiment, also include 60 are buckled, 60 are buckled located at the outside of junction box 10.Specifically, hang
Button 60 is the hook solid of one end open, in order to hanging for junction box 10.60 are buckled with the solderable fixation of junction box 10.And buckle
60 quantity can be two, and two buckle about 60 and are distributed on junction box 10.Specifically, buckling 60 includes first connecting portion
61st, second connecting portion 62 and the 3rd connecting portion 63, first connecting portion 61 are welded with junction box 10, and second connecting portion 62 and first connects
The bending of socket part 61 is arranged, and the 3rd connecting portion 63 bends setting, second connecting portion 62 and the 3rd connecting portion 63 with second connecting portion 62
Formed between junction box 10 and hang space.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But the restriction that therefore can not be interpreted as to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, some deformation and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (10)
1. a kind of current transformer exports anti-open circuit wiring device, it is characterised in that include：
Junction box；
Binding post, in the junction box, including multiple terminal positions；
Disjunction slide block, located at the terminal position, the disjunction slide block is operationally slided in the terminal position with by the terminal
Position two ends closure disconnects；
Cable wears portion, and located at the end of the junction box, the cable portion of wearing is two, and two cables can be each passed through two
The individual cable wears portion to be connected with the both ends of the terminal position of the binding post respectively.
2. current transformer according to claim 1 exports anti-open circuit wiring device, it is characterised in that also include guide rail,
Inside the junction box, the binding post is arranged in the guide rail to the guide rail.
3. current transformer according to claim 1 exports anti-open circuit wiring device, it is characterised in that the wiring case and bag
Include casing and case lid, the binding post is located at the box house, and the case lid is provided with screw hole, the case lid with described
Casing is connected by screw hole.
4. current transformer according to claim 3 exports anti-open circuit wiring device, it is characterised in that also include rubber cushion,
The rubber cushion is located between the casing and the case lid will seal between the casing and the case lid.
5. current transformer according to claim 1 exports anti-open circuit wiring device, it is characterised in that the binding post
It is 4cm-6cm with the distance between the wiring box wall.
6. current transformer according to claim 1 exports anti-open circuit wiring device, it is characterised in that also include to buckle,
Described buckle on the outside of the junction box.
7. current transformer according to claim 6 exports anti-open circuit wiring device, it is characterised in that described buckle and institute
State junction box to be welded and fixed.
8. current transformer according to claim 1 exports anti-open circuit wiring device, it is characterised in that the cable wears
Portion includes fixed seat, cable clamp jaw and clamping head, and the fixed seat is located at the junction box, and the fixed seat periphery is provided with outer
Screw thread, the clamping head inner circumferential are provided with internal thread, and the cable clamp jaw is sheathed on the outside of the cable and is arranged in described solid
On the inside of reservation, the clamping head is sheathed on the outside of the cable and the cable clamp jaw and is screwed with the fixed seat.
9. the current transformer according to any one of claim 1-8 exports anti-open circuit wiring device, it is characterised in that described
Binding post is provided with the jack for inserting test plug.
10. the current transformer according to any one of claim 1-8 exports anti-open circuit wiring device, it is characterised in that two
The individual cable portion of wearing is all located at the same one end of the junction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862389.5U CN206003601U (en) | 2016-08-10 | 2016-08-10 | Current transformer exports anti-open circuit wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862389.5U CN206003601U (en) | 2016-08-10 | 2016-08-10 | Current transformer exports anti-open circuit wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003601U true CN206003601U (en) | 2017-03-08 |
Family
ID=58198595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620862389.5U Active CN206003601U (en) | 2016-08-10 | 2016-08-10 | Current transformer exports anti-open circuit wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551037A (en) * | 2018-04-12 | 2018-09-18 | 合肥恩锐科技有限公司 | A kind of electric wiring junction box |
| CN109581212A (en) * | 2018-12-21 | 2019-04-05 | 国家电网有限公司 | A kind of integrated form device for checking electric relay and its application method |
-
2016
- 2016-08-10 CN CN201620862389.5U patent/CN206003601U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551037A (en) * | 2018-04-12 | 2018-09-18 | 合肥恩锐科技有限公司 | A kind of electric wiring junction box |
| CN108551037B (en) * | 2018-04-12 | 2020-08-14 | 合肥恩锐科技有限公司 | Electrical line junction box |
| CN109581212A (en) * | 2018-12-21 | 2019-04-05 | 国家电网有限公司 | A kind of integrated form device for checking electric relay and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200923 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |