CN207675921U - A kind of self-sealing pre-fabricated electric cables with current transformer test function - Google Patents
A kind of self-sealing pre-fabricated electric cables with current transformer test function Download PDFInfo
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- CN207675921U CN207675921U CN201721581823.3U CN201721581823U CN207675921U CN 207675921 U CN207675921 U CN 207675921U CN 201721581823 U CN201721581823 U CN 201721581823U CN 207675921 U CN207675921 U CN 207675921U
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- plug needle
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- contact pin
- electric cables
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Abstract
The utility model discloses a kind of self-sealing pre-fabricated electric cables with current transformer test function, including aviation socket, aviation plug, the aviation plug includes and the matched female plug needle of male plug needle in the aviation socket, there are one conductive dislocation sliding blocks by a propulsion spring connection for each female plug needle, the dislocation sliding block is T font sliding blocks, the dislocation sliding block connection interlaced with each other of adjacent female plug needle；The pre-fabricated electric cables further include test lock pin, the test lock pin includes and the matched first test contact pin of the female plug needle and second tests contact pin, the female plug needle that the first test contact pin is used to connect with firewire is connected, the female plug needle that the second test contact pin is used to connect with zero curve, ground wire is connected, and second test contact pin jack end length is more than the jack end of the first test contact pin.Pre-fabricated electric cables disclosed by the utility model reduce the difficulty that anti-open circuit aviation socket tests CT, improve the correctness that anti-open circuit aviation socket tests CT.
Description
Technical field
The present invention relates to substation equipment field more particularly to a kind of self-sealing with current transformer test function are pre-
Cable processed.
Background technology
Intelligent substation controls cable and power cable dosage and more and more uses conventional pre-fabricated electric cables, gradually uses work
Factory's Prefabrication greatly reduces site operation difficulty, shortens construction period；
Current transformer loop needs to carry out volt-ampere characteristic test, secondary winding direct current resistance m easurem ent, mutual inductance in operation
Various testing experiments, at this stage these experiments such as device actual loading test, AC current transformer energization generally all pass through electric current
The disjunction of testing terminal is completed, to realize the isolation of related secondary circuit.Secondary loop of mutual inductor uses pre-fabricated electric cables
Afterwards, it when CT is tested, is tested by connecting terminal, complex procedures, and operates and be easy error.
Invention content
In view of the drawbacks described above of the prior art, the present invention provides a kind of self-styled with current transformer test function
Type pre-fabricated electric cables, including aviation socket, aviation plug, the aviation plug include being matched with male plug needle in the aviation socket
Female plug needle, each female plug needle promotes spring connection there are one conductive dislocation sliding block by one, and the dislocation sliding block is T fonts
Sliding block, the dislocation sliding block connection interlaced with each other of adjacent female plug needle；The pre-fabricated electric cables further include test lock pin, the test lock pin
Including with the female plug needle it is matched first test contact pin and second test contact pin, it is described first test contact pin be used for and fire
The female plug needle of line connection is connected, and the female plug needle that the second test contact pin is used to connect with zero curve, ground wire is connected, and described second
Test the jack end that contact pin jack end length is more than the first test contact pin.
Preferably, sliding block baffle ring is additionally provided on the female plug needle, the sliding block baffle ring is moved for limiting the dislocation sliding block
Dynamic position.
Preferably, the male plug needle of the aviation socket is fixed on the first fixing piece, and first fixing piece passes through insulation
Spring part is connected with conductive slider, and the conductive slider is connect in the insulated spring part reset state with the male plug needle；
The female plug needle of the aviation plug is fixed on the second fixing piece, and second fixing piece is equipped with insulation thimble, the insulation
Thimble is used to disconnect between the conductive slider and the male plug needle when the male plug needle and the female plug needle are attached
Connection.
Preferably, the male plug needle and the female plug needle are compression joint type contact pin.
Preferably, the conductive slider is equipped with through-hole, and the male plug needle passes through the conductive slider by the through-hole
It is fixed on first fixing piece.
Preferably, conductive ring plate is connected on the male plug needle needle column, the conduction ring plate is used for the insulated spring part
The conductive slider is with the connection of the male plug needle and for limiting the conductive slider to the public affairs when in reset state
Contact pin contact pin extreme direction moves.
Preferably, it is cased with insulation sleeve on the male plug needle needle column.
Preferably, from jack end to contact pin end, diameter gradually increases the male plug needle needle column, is more than at maximum gauge described
Through-hole aperture.
The invention has the advantages that：
In Intelligent control cabinet side, pre-fabricated electric cables connector body is anti-open-circuit structure, and pre-fabricated electric cables plug side is by design circuit
It is required that pre-buried bridgeware, when plug is detached with socket, socket side will be initially formed one or more pairs of closed circuits, prefabricated electricity automatically
Cable plug side is in the closed circuit state of design requirement because being embedded with bridgeware always, when needing to test CT, special test hole is straight
Contact pin in corresponding plug is patched, experiment can be detected by then gently removing bridgeware.Which reduces anti-open circuit boat
The difficulty that dummy receptacle tests CT improves the correctness that anti-open circuit aviation socket tests CT.
Description of the drawings
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the preferred embodiment of the present invention；
1 is male plug needle, and 2 be female plug needle, and 3 is promote spring, and 4 be dislocation sliding block, and 5 be sliding block baffle ring, and 6 insert for the first test
Needle, 7 for the second test contact pin, 8 be the first fixing piece, and 9 be insulated spring part, and 10 be conductive slider, and 11 be insulation sleeve, and 12 be the
Two fixing pieces, 13 be insulation thimble.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
As shown in Figure 1 and Figure 2, a kind of self-sealing pre-fabricated electric cables with current transformer test function, including aviation are inserted
Seat, aviation plug, aviation plug includes the female plug needle 2 that (connection type, quantity etc.) is matched with male plug needle 1 in aviation socket,
Female plug needle 2 and male plug needle 1 connect one by one, and 2 one end of female plug needle is the jack end for being connect with male plug needle 1, and the other end is contact pin
End.Each female plug needle 2 promotes the connection of spring 3 there are one conductive dislocation sliding block 4 by one, and dislocation sliding block 4 is located remotely from jack
The one end at end.The dislocation sliding block 4 is T font sliding blocks, and the connection interlaced with each other of dislocation sliding block 4 of adjacent female plug needle 2 (is set as at this time
Sliding block and the reset state for promoting spring 3, it should be noted that it can be to be in elastic deformation or be not in bullet to promote spring 3 at this time
Property deformed state), i.e., direction interlocks adjacent dislocation sliding block 4 on the contrary each other, therefore the transverse part of the two can be stacked contact each other,
Therefore by mutual dislocation sliding block 4, all connection is formed into a loop all female plug needles 2；Further, it is additionally provided with cunning on female plug needle 2
Block baffle ring 5, sliding block baffle ring 5 play a part of limiting sliding block shift position.
Pre-fabricated electric cables further include test lock pin, which connects in aviation plug, and test lock pin includes and aviation
Female plug needle 2 matched first in plug test contact pin 6 and second test contact pin 7 (female plug needle 2 with test that lock pin connect one
End is contact pin end, therefore it is jack structure to test that end that contact pin is attached thereto).In aviation socket, the first test contact pin 6 is used
Being connected in the female plug needle 2 being connect with firewire, (female plug needle 2 is connect by the realization of male plug needle 1 being attached thereto with firewire, similarly hereinafter
Reason), the female plug needle 2 that the second test contact pin 7 is used to connect with zero curve, ground wire is connected, namely middle test contact pin portion as shown in Figure 1
Divide is respectively that the first test contact pin 6, second tests the test test contact pin 7 ... of contact pin 6, second of contact pin 7, first from top to bottom；
Jack end length in second test contact pin 7 for being connect with female plug needle 2 is more than the jack end of the first test contact pin 6, therefore works as
When test lock pin is connect with aviation plug, i.e., when test contact pin is connect with female plug needle 2, since the second 7 jack end of test contact pin is long
Degree is longer than the first test contact pin 6, therefore the second test contact pin 7 can push the dislocation sliding block 4 on corresponding 2 position of female plug needle open, cause
The dislocation sliding block 4 is detached with connected dislocation sliding block 4, to no longer all connected (as shown in Figure 1), work as survey between female plug needle 2
Examination lock pin exits the connection with aviation plug, that is, when testing contact pin disconnection far from female plug needle 2, due to recommending the elastic reaction of spring,
Had dislocation sliding block 4 after dislocation sliding block 4 in situ returns to original position is left in connection to be connected to each other again (as shown in Figure 2).
Include the first fixing piece 8, insulated spring part 9, conductive slider 10 and at least a pair of male plug needle in aviation socket
1, in pairs, one of those is used for line of starting to exchange fire to male plug needle 1 with a pair of of male plug needle 1, another connects zero curve and ground wire, male plug needle
1 quantity can be accordingly arranged according to practical application.Male plug needle 1 can be divided into three parts, for being connect with current transformer
Jack end, intermediate needle styletable and the contact pin end for being connect with female plug needle 2, male plug needle 1 be fixed on the first fixing piece 8
On, conductive slider 10 is connected with by insulated spring part 9 on the first fixing piece 8, therefore conductive slider 10 is in elastic force and outer masterpiece
It can move back and forth under.
Conductive slider 10 is at spring part reset state (the non-deformed state of reset state not necessarily spring part) and male plug
Needle 1 is kept in contact connection, therefore keeps connection between all male plug needles 1 and be formed into a loop, which forms short-circuit condition, at this time
The location of insulated spring part 9 and conductive slider 10 are set as the reset state of the two.Conductive slider 10 is equipped with through-hole, male plug
Needle 1 passes through conductive slider 10 by through-hole, and then male plug needle 1 is fixed on the first fixing piece 8, as conductive slider 10 and male plug
A kind of embodiment that needle 1 connects, as shown in Figure 1, being connected with conductive ring plate on needle column, conductive ring plate is applied not only to limitation and leads
Electric sliding block 10 to 1 contact pin extreme direction of male plug needle move, and be set as when 10 reset state of conductive slider just with the conducting ring
Piece is in close contact, to realize the connection of conductive slider 10 and male plug needle 1.Meanwhile the other parts of male plug needle 1 are not slided with conduction
Block 10 contacts or connection, for this purpose, insulation sleeve 11 can be cased on 1 needle column of male plug needle, the insulation sleeve 11 is for completely cutting off male plug needle 1
In nonisulated 9 reset state of spring part with the contact of conductive slider 10.Alternatively embodiment, 1 needle column of male plug needle
From jack end to contact pin end, diameter gradually increases, and through-hole aperture is more than at maximum gauge, and conductive slider 10 under external force may be used
It is conductive when conductive slider 10 is in reset state in being stuck in needle column diameter equal at aperture to slidably reciprocate between needle column
Sliding block 10 is in direct contact with male plug needle 1 and connect, and the increase with hour hands column diameter can play prevention conductive slider 10 to contact pin end
Mobile limit effect.Due to the elastic telescopic of spring part, conductive slider 10 can slidably reciprocate and contact under external force
Or far from male plug needle 1, can be connected or disconnected from male plug needle 1 to realize.
Further include the second fixing piece 12, insulation thimble 13 in aviation plug, female plug needle 2 is fixed on the second fixing piece 12
On, the second fixing piece 12 is equipped with insulation thimble 13, and insulation thimble 13 is led for being pushed when male plug needle 1 is connect with female plug needle 2
Electric sliding block 10 disconnects the connection between conductive slider 10 and male plug needle 1 far from male plug needle 1, similarly, male plug needle 1 and female plug needle 2
Insulation thimble 13 does not contact and (does not apply added force in conductive slider 10) conductive slider 10 to conductive sliding when disconnecting contact
Block 10 returns to reset state and is connect with male plug needle 1, it is preferable that in order to ensure that male plug needle 1 and female plug needle 2 contact good during use
Well, avoid male plug needle 1 and the not connected carelessness just used completely of female plug needle 2, i.e. male plug needle 1 exhausted after being fully connected with female plug needle 2
The just open-top conductive slider 10 completely of edge thimble 13, it is therefore desirable to the length of control insulation thimble 13, can realize that said effect is
Preferably.
Male plug needle 1 and female plug needle 2 are preferably the contact pin of compression joint type, and 2 jack end of female plug needle is wire spring type jack, i.e. male plug needle
1 contact pin realizes connection by being inserted into the jack of female plug needle 2.Compared to other types of contact pin, the type contact pin structure is simpler
Single, connection is more convenient.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of self-sealing pre-fabricated electric cables with current transformer test function, including aviation socket, aviation plug, feature
It is；The aviation plug includes and the matched female plug needle (2) of male plug needle (1) in the aviation socket, each female plug needle (2)
Promote spring (3) all connections there are one conductive dislocation sliding block (4) by one, the dislocation sliding block (4) is T font sliding blocks, adjacent
Dislocation sliding block (4) connection interlaced with each other of female plug needle (2)；The pre-fabricated electric cables further include test lock pin, the test lock pin packet
It includes and the matched first test contact pin (6) of the female plug needle (2) and the second test contact pin (7), the first test contact pin (6)
Female plug needle (2) for being connect with firewire is connected, the mother that the second test contact pin (7) is used to connect with zero curve, ground wire
Contact pin (2) is connected, and the second test contact pin (7) jack end length is more than the jack end of the first test contact pin (6).
2. the self-sealing pre-fabricated electric cables with current transformer test function as described in claim 1, which is characterized in that described
Sliding block baffle ring (5) is additionally provided on female plug needle, the sliding block baffle ring (5) is for limiting the dislocation sliding block shift position.
3. the self-sealing pre-fabricated electric cables with current transformer test function as described in claim 1, which is characterized in that described
The male plug needle (1) of aviation socket is fixed on the first fixing piece (8), and first fixing piece (8) is connected by insulated spring part (9)
Be connected to conductive slider (10), the conductive slider (10) in insulated spring part (9) reset state with the male plug needle (1)
Connection；The female plug needle (2) of the aviation plug is fixed on the second fixing piece (12), and second fixing piece (12) is equipped with exhausted
Edge thimble (13), the insulation thimble (13) are used to disconnect institute when the male plug needle (1) is attached with the female plug needle (2)
State the connection between conductive slider (10) and the male plug needle (1).
4. the self-sealing pre-fabricated electric cables with current transformer test function as claimed in claim 3, which is characterized in that described
Male plug needle (1) and the female plug needle (2) are compression joint type contact pin.
5. the self-sealing pre-fabricated electric cables with current transformer test function as claimed in claim 4, which is characterized in that described
Conductive slider (10) is equipped with through-hole, and the male plug needle (1) is fixed on institute by the through-hole across the conductive slider (10)
It states on the first fixing piece (8).
6. the self-sealing pre-fabricated electric cables with current transformer test function as claimed in claim 5, which is characterized in that described
Conductive ring plate is connected on male plug needle (1) needle column, when the conduction ring plate is in reset state for the insulated spring part (9)
The conductive slider (10) is with the connection of the male plug needle (1) and for limiting the conductive slider (10) to the male plug needle
(1) contact pin extreme direction moves.
7. the self-sealing pre-fabricated electric cables with current transformer test function as claimed in claim 5, which is characterized in that described
It is cased with insulation sleeve (11) on male plug needle (1) needle column.
8. the self-sealing pre-fabricated electric cables with current transformer test function as claimed in claim 5, which is characterized in that described
From jack end to contact pin end, diameter gradually increases male plug needle (1) needle column, and the through-hole aperture is more than at maximum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581823.3U CN207675921U (en) | 2017-11-23 | 2017-11-23 | A kind of self-sealing pre-fabricated electric cables with current transformer test function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581823.3U CN207675921U (en) | 2017-11-23 | 2017-11-23 | A kind of self-sealing pre-fabricated electric cables with current transformer test function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675921U true CN207675921U (en) | 2018-07-31 |
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ID=62966254
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721581823.3U Active CN207675921U (en) | 2017-11-23 | 2017-11-23 | A kind of self-sealing pre-fabricated electric cables with current transformer test function |
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| Country | Link |
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| CN (1) | CN207675921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560428A (en) * | 2018-09-26 | 2019-04-02 | 国网新疆电力有限公司建设分公司 | A kind of anti-open circuit of current transformer and the pre-fabricated electric cables of the anti-short circuit of voltage transformer |
-
2017
- 2017-11-23 CN CN201721581823.3U patent/CN207675921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560428A (en) * | 2018-09-26 | 2019-04-02 | 国网新疆电力有限公司建设分公司 | A kind of anti-open circuit of current transformer and the pre-fabricated electric cables of the anti-short circuit of voltage transformer |
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