CN208334617U - A kind of binding clip verifying transformer station direct current system leakage current mutual inductor - Google Patents
A kind of binding clip verifying transformer station direct current system leakage current mutual inductor Download PDFInfo
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- CN208334617U CN208334617U CN201820518008.0U CN201820518008U CN208334617U CN 208334617 U CN208334617 U CN 208334617U CN 201820518008 U CN201820518008 U CN 201820518008U CN 208334617 U CN208334617 U CN 208334617U
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Abstract
A kind of binding clip verifying transformer station direct current system leakage current mutual inductor, including insulated handle one and insulated handle two, the insulated handle one and insulated handle two pass through the retractable rotation connection of shaft；Chain is connected to conduction long-armed one and conduction long-armed two respectively on the insulated handle one and insulated handle two, and the conduction long-armed one and conduction long-armed two are L-shaped, and the conduction long-armed one is mutually engaged with one end of conduction long-armed two；Binding post one and binding post two are respectively equipped in the conduction long-armed one and conduction long-armed two.It is designed using " clip " formula, it can quickly clip in the leakage current mutual inductor for needing to verify, it can be suitble in small space, operation is penetrated by insulated handle realization small space leakage current mutual inductor in device external, hand is without protruding into equipment region in whole process, it can only be completed in device external region easy to operate, and safety coefficient is high.
Description
Technical field
The utility model relates to electrical equipment technical fields, let out more particularly, to a kind of verification transformer station direct current system
The binding clip of leakage current transformer.
Background technique
Transformer station direct current system is the important process power supply of protective device in substation, is mentioned for protective device, control loop
For reliable and stable power supply.In the power system, relay protection Automation Specialty needs periodically to carry out periodic inspection to direct current system, wherein
One inspection content includes the verification of transformer station direct current system leakage current mutual inductor, and routine work method is to the leakage current
DC system grounding electric current is added in mutual inductor simulation, the transformer induced earth current to failure is allowed, so that it is defeated to reach warning value
Enter to drive to direct current (DC) monitoring device and alert.A test current line is usually looked for, test current line is manually passed through into leakage
Among current transformer, one section connects direct current system positive supply, other end ground connection, so that analogue ground fault current flows through mutual inductance
Device allows mutual inductor to detect earth current, to correctly alert.Entire checking procedure needs to thread operation, compares and expends the time.
In transformer station direct current system, 30 often are no less than containing such leakage current mutual inductor in a set of direct current screen equipment, a change
Power station standard is designed as 2 sets of direct current systems, amounts to such mutual inductor and is no less than 60, and the repetitive operation for needing to verify is more, consumption
Duration, the leakage current mutual inductor quantity that each substation is related to is more, during regular inspection, needs to carry out each mutual inductor
Test wire is penetrated manually and carries out fault current simulation, and larger workload, working efficiency is low, and narrow by equipment installation position space
Small influence, threading process are unable to satisfy the demand of work on hand efficiency, the existing method threaded manually is bright than relatively time-consuming
The aobvious development for being not suitable with the prior art, it is therefore desirable to design and a have connecing for Fast simulation leakage current mutual inductor ground fault
The Line tool promotes the efficiency for threading this link of wiring simulated failure electric current in checking procedure manually, saves the working time, improves
Efficiency and benefit.
Utility model content
The main purpose of the utility model is to overcome above-mentioned shortcoming, a kind of verification transformer station direct current system is provided and is let out
The binding clip of leakage current transformer.
The technical solution of the utility model are as follows:
A kind of binding clip verifying transformer station direct current system leakage current mutual inductor, including insulated handle one and insulated handle
Two, the insulated handle one and insulated handle two pass through the retractable rotation connection of shaft；The insulated handle one and insulated handle
Chain is connected to conduction long-armed one and conduction long-armed two respectively on two, and the conduction long-armed one and conduction long-armed two are L-shaped, described
Conduction long-armed one is mutually engaged with one end of conduction long-armed two；Binding post is respectively equipped in the conduction long-armed one and conduction long-armed two
One and binding post two.
Further, the occlusal end of the conduction long-armed one and conduction long-armed two uses concave-convex design.
It further, further include spring, the spring is arranged between the insulated handle one and insulated handle two, is used for
Control the folding of insulated handle one and insulated handle two.
Further, the entire length of the insulated handle one and insulated handle two is 10 cm.
Further, the entire length of the conduction long-armed one and conduction long-armed two is 10cm.
Further, the folding at positive and negative 40 ° of angles may be implemented in the insulated handle one and insulated handle two.
Compared with prior art, the utility model has the advantages that
1, it is designed, can be quickly clipped in the leakage current mutual inductor for needing to verify using " clip " formula；
2, the opening portion of binding clip is designed using convex, and upper port and lower port use concave-convex design, it can be ensured that open
When mouthful closure, upper and lower port can large area firm contact, fracture will not be generated to influence the integrity in entire circuit.
3, the binding clip is at operating handle end, using high-strength spring, it is ensured that in nature, has enough elastic force to promote
Opening relief slot is set correctly to consolidate occlusion.
4, binding clip design has long-armed, can be suitble in small space, is realized in device external by insulated handle narrow
Small spatial leaks current transformer penetrates operation, and hand is without protruding into equipment region in whole process, only in device external region
It can complete easy to operate, and safety coefficient is high.
Detailed description of the invention
Fig. 1 is the structural representation of the binding clip of the verification transformer station direct current system leakage current mutual inductor in the present embodiment 1
Figure (wherein, the earth-fault current flow direction that arrow indicates simulation)；
Description of symbols: 1 is insulated handle one, and 2 be insulated handle two, and 3 be conduction long-armed one, and 4 be conduction long-armed two,
5 be binding post one, and 6 be binding post two, and 7 be spring, and 8 be conducting wire one, and 9 be conducting wire two, and 10 be contact pin type interface one, and 11 be slotting
Pin type interface two.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It is easier to be readily appreciated by one skilled in the art with feature, to make apparent define to the protection scope of the utility model.
Embodiment 1
A kind of binding clip verifying transformer station direct current system leakage current mutual inductor, including insulated handle 1, insulated handle
22, conductive long-armed 1, conductive long-armed 24, binding post 1, binding post 26 and spring 7, the insulated handle 1 and insulation
Handle 22 passes through the retractable rotation connection of shaft；Chain is connected to conductive length respectively on the insulated handle 1 and insulated handle 22
Arm 1 and conduction long-armed 24, conduction long-armed 1 and conductive long-armed 24 L-shaped, the conduction long-armed 1 with lead
One end of electricity long-armed 24 is mutually engaged；Binding post 1 and binding post are respectively equipped in the conduction long-armed 1 and conduction long-armed 24
26.
Wherein, the occlusal end of the conduction long-armed 1 and conduction long-armed 24 uses concave-convex design, it can be ensured that opening is closed
When conjunction, occlusal end can large area firm contact, fracture will not be generated to influence the integrity in entire circuit.
The spring 7 is arranged between the insulated handle 1 and insulated handle 22, for controlling one 1 He of insulated handle
The folding of insulated handle 22, the setting of spring 7 ensure in nature have enough elastic force to promote opening relief slot correct
The folding at positive and negative 40 ° of angles may be implemented in firm occlusion, insulated handle 1 and insulated handle 22.
Wherein, the entire length of the insulated handle 1 and insulated handle 22 is 10 cm；The conduction long-armed 1
Entire length with conduction long-armed 24 is 10cm；The preferable copper of the long-armed 24 use conductive capability of conduction long-armed 1 and conduction,
Silver, golden material.
In use, binding clip is opened, penetrating among leakage current mutual inductor, conducting wire 1 is equipped with contact pin type interface 1,
Conducting wire 29 is equipped with contact pin type interface 2 11, and positive supply terminals, the contact pin type interface 2 11 of the other end are accessed in 29 one end of conducting wire
Binding post 5 is accessed, negative supply terminals are accessed in one 8 one end of conducting wire, and the contact pin type interface 1 of the other end accesses binding post 6, makes
It obtains binding clip and positive supply terminals, negative supply terminals forms a complete circuit, a conducting wire is similar to, to realize
Fast-wiring and fault current to leakage current mutual inductor are simulated, and verification transformer station direct current system leakage current mutual inductor is improved
Working efficiency.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of binding clip for verifying transformer station direct current system leakage current mutual inductor, which is characterized in that including insulated handle one
(1) and insulated handle two (2), the insulated handle one (1) and insulated handle two (2) pass through the retractable rotation connection of shaft；Institute
It states on insulated handle one (1) and insulated handle two (2) chain respectively and is connected to conductive long-armed one (3) and long-armed two (4) of conduction, it is described to lead
Long-armed one (3) of electricity and conductive long-armed two (4) are L-shaped, one end phase of described conduction long-armed one (3) and conductive long-armed two (4)
Occlusion；Binding post one (5) and binding post two (6) are respectively equipped on described long-armed one (3) of conduction and conductive long-armed two (4).
2. the binding clip of verification transformer station direct current system leakage current mutual inductor according to claim 1, which is characterized in that
The occlusal end of described long-armed one (3) of conduction and conductive long-armed two (4) uses concave-convex design.
3. the binding clip of verification transformer station direct current system leakage current mutual inductor according to claim 1, which is characterized in that
It further include spring (7), the spring (7) is arranged between the insulated handle one (1) and insulated handle two (2), for controlling
The folding of insulated handle one (1) and insulated handle two (2).
4. the binding clip of verification transformer station direct current system leakage current mutual inductor according to claim 1, which is characterized in that
The entire length of the insulated handle one (1) and insulated handle two (2) is 10cm.
5. the binding clip of verification transformer station direct current system leakage current mutual inductor according to claim 1, which is characterized in that
The entire length of described long-armed one (3) of conduction and conductive long-armed two (4) is 10cm.
6. the binding clip of verification transformer station direct current system leakage current mutual inductor according to claim 1, which is characterized in that
The folding at positive and negative 40 ° of angles may be implemented in the insulated handle one (1) and insulated handle two (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518008.0U CN208334617U (en) | 2018-04-12 | 2018-04-12 | A kind of binding clip verifying transformer station direct current system leakage current mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518008.0U CN208334617U (en) | 2018-04-12 | 2018-04-12 | A kind of binding clip verifying transformer station direct current system leakage current mutual inductor |
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| Publication Number | Publication Date |
|---|---|
| CN208334617U true CN208334617U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820518008.0U Active CN208334617U (en) | 2018-04-12 | 2018-04-12 | A kind of binding clip verifying transformer station direct current system leakage current mutual inductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594154A (en) * | 2018-04-12 | 2018-09-28 | 广东电网有限责任公司 | A kind of binding clip of verification transformer station direct current system leakage current mutual inductor |
-
2018
- 2018-04-12 CN CN201820518008.0U patent/CN208334617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594154A (en) * | 2018-04-12 | 2018-09-28 | 广东电网有限责任公司 | A kind of binding clip of verification transformer station direct current system leakage current mutual inductor |
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