CN205067531U - Prefabricated cable connector of mistake is prevented to intelligent substation current test type - Google Patents
Prefabricated cable connector of mistake is prevented to intelligent substation current test type Download PDFInfo
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- CN205067531U CN205067531U CN201520827323.8U CN201520827323U CN205067531U CN 205067531 U CN205067531 U CN 205067531U CN 201520827323 U CN201520827323 U CN 201520827323U CN 205067531 U CN205067531 U CN 205067531U
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- panel
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- electric cables
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- plug
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Abstract
The utility model relates to an intelligent substation usefulness prefabricated cable connector, especially a prefabricated cable connector of mistake is prevented to intelligent substation current test type, including current transformer side socket panel, secondary equipment side socket panel and connect two above -mentioned socket panel's prefabricated cable, prefabricate the cable both ends and all be provided with the plug, socket panel all includes a plurality of panel terminals and transverse connection piece, a plurality of panel terminals divide into the multiunit, and every group be adjacent two rows, and two panel terminals of the different rows with a set of same looks are connected to the transverse connection piece. The utility model discloses broken through the conventional design theory that there is technology bias in for a long time, adopted indirect connected mode, realized the prefabricated of current loop and connected, satisfied the experimental requirement of current loop, realized " the plug -and -play " of current loop wiring, the operation work volume of the transformer substation that has significantly reduced.
Description
Technical field
The utility model relates to a kind of intelligent substation pre-fabricated electric cables connector, particularly the anti-error pre-fabricated electric cables connector of a kind of intelligent substation current testing type.
Background technology
Pre-fabricated electric cables connector is form polycore cable being encapsulated as plugs and sockets in factory, adopts " plug and play ", avoid a kind of electric connector of terminal row wiring during application.Now in intelligent substation, be able to widespread use, by application pre-fabricated electric cables, eliminate over the work such as loaded down with trivial details cable proofreader, label stickup, cable core wiring, be improved to simple plug-in wiring, maximizing reduces intelligent substation site operation workload, shortens construction debugging cycle.
But, pre-fabricated electric cables in intelligent substation is difficult to be applied in current/voltage loop, its reason is that current/voltage loop need adopt prototype version terminal, and in current return, CT does not allow open circuit, and designs and be difficult to meet above-mentioned requirements carrying out measurements etc. and the simple plug-in of pre-fabricated electric cables.
Utility model content
The purpose of this utility model is according to the deficiencies in the prior art part and provides one can be applied in current/voltage loop, realizes the anti-error pre-fabricated electric cables connector of intelligent substation current testing type that in current return " plug and play " requires.
The purpose of this utility model is realized by following approach:
The anti-error pre-fabricated electric cables connector of intelligent substation current testing type, its structural feature is, include current transformer side socket panel, secondary device side socket panel and connect the pre-fabricated electric cables of above-mentioned two socket panels, pre-fabricated electric cables two ends are provided with plug; Described current transformer side socket panel and secondary device side socket panel include a plurality of panel terminal and lateral connection sheet; A plurality of panel terminal is divided into many groups, and often group is two adjacent rows, and often arranging all has four panel terminals, corresponds to A, B, C, N phase respectively, and lateral connection sheet connects two panel terminals of same group of same phase and different row; Current transformer side socket panel is often organized in panel terminal, and wherein a row connects Current Transformer Secondary side, and another row then connects the plug of pre-fabricated electric cables one end; Secondary device side socket panel is often organized in panel terminal, wherein row's connecting secondary equipment, another row then connects the plug of the pre-fabricated electric cables other end, and described lateral connection sheet is metal conductive materials.
Thus, the panel terminal on described socket panel is arranged in the many rows of four lines, the corresponding phase connection of every a line, and corresponding A, B, C, N phase is respectively one group by every two rows and divides.In the present invention, current transformer side socket panel and secondary device side socket panel are respectively arranged with a row and are exclusively used in and are connected with pre-fabricated electric cables, another row then connects respective equipment respectively, finally by there is the lateral connection sheet of short circuit effect by the corresponding short circuit of two row's panel terminals, constitute the anti-error pre-fabricated electric cables connector of intelligent substation current testing type be made up of two socket panels, pre-fabricated electric cables and pre-fabricated electric cables plug thus, its action principle is:
During normal operation, often organize two row's panel terminals all carry out corresponding phase connection by four lateral connection sheets, now A, B, C three-phase current loop of each group is independent of one another, and be all in on-state with two rows' current wiring terminal (panel terminal) organized, thus realize pre-fabricated electric cables and be connected with current transformer or secondary device, the loop conducting that current transformer is connected with secondary device.If when needing to test Current Transformer Secondary side electric current, can proceed as follows current transformer side panel terminal: by reometer be connected Current Transformer Secondary side that arrange panel terminal and connect in advance, then lateral connection sheet is disconnected, like this, Current Transformer Secondary side is first by reometer short circuit, and then the connection of disconnection and secondary device, finally carry out testing current.If need to carry out through-flow test to secondary device, then secondary device side panel terminal is proceeded as follows: that connection with pre-fabricated electric cables plug is arranged panel terminal and carries out short circuit, then lateral connection sheet is disconnected, finally the panel terminal of impressed current part with connecting secondary equipment is connected, namely first make have the panel terminal be connected to carry out short circuit with current transformer, then disconnected the connection of secondary device and current transformer by lateral connection sheet, the upper outside stream that powers up of terminal finally connected at secondary device carries out through-flow test.
The group number of panel terminal divides according to designing requirement; such as, in intelligent substation, current transformer generally comprises three groups of Secondary Winding; be respectively used to protection, measure, measure, the panel terminal thus on the socket panel of current transformer side is just divided into three group of six row.And each group all must have N phase, i.e. earth terminal, during for Current Transformer Secondary side short circuit, can short circuit ground connection, proterctive equipment safety.
In this area, due to operating space can be supplied in intelligent substation little, also need to reduce operational motion, therefore pre-fabricated electric cables is also widely used in intelligent substation as a solution simultaneously as far as possible.But, exactly because also can be little for the space of operation, pre-fabricated electric cables device be usually all take up room the smaller the better, so pre-fabricated electric cables device is all directly directly be connected with the panel terminal of connection device by cable plug, simple and practical, directly pull out during operation, insert cable plug, convenient and simple.So faced by need the current/voltage loop adopting prototype version terminal time, consider that the mutual inductor in current return does not allow open circuit, therefore also just cannot adopt the pre-fabricated electric cables device of direct plug-in type.The present invention is in order to solve the problem, breach pre-fabricated electric cables device for a long time and need the little conventional design theory with being directly connected in space, have employed indirect connections, add the panel terminal number of panel jack in pre-fabricated electric cables device, be provided with the panel terminal of two rows' difference gang sockets and equipment, the lateral connection sheet that further employing transition connects, to connect two row's panel terminals, thus achieves cable plug in current return and is connected with the prefabricated of equipment; Reach following technique effect: can by is wherein arranged panel terminal short circuit during operation, the problem of opening a way is not allowed with the mutual inductor solved in current return, then the connection of two row's panel terminals is disconnected, so that carry out measuring, the operation such as test, meet the requirement of current return test, realize " plug and play " of current circuit connections, greatly reduce the operation element amount of transformer station.
The utility model can be specially further:
On the socket panel of current transformer side, the panel terminal that each row is connected with Current Transformer Secondary side is provided with longitudinally anti-error brace, this longitudinal anti-error brace is for constructing in one more piece calabash shape, form a wide narrow continuous structure thus, grow up in wide place in the diameter of panel terminal, the interior length at narrow place is then less than the diameter of panel terminal, one end of the anti-error brace of this longitudinal direction is anti-misoperation sheet, when the panel terminal that longitudinally anti-error brace place is arranged all is positioned at Kuan Chu position, the anti-error brace of this longitudinal direction and panel terminal are in off-state, now anti-misoperation sheet stretches out socket panel, and be plugged in jack corresponding on the plug of pre-fabricated electric cables.
First the anti-error brace of described longitudinal direction is that the panel terminal for connecting for current transformer side carries out longitudinal connection, thus make when needs pull out pre-fabricated electric cables plug or other need to disconnect, first this panel terminal can be carried out short circuit, thus control the three-phase current loop short circuit of current transformer side, avoid its open circuit and cause the accident; During short circuit, the equal inlay card of panel terminal of this row is in the position, narrow place of longitudinal anti-error brace.In addition, longitudinally anti-error brace is in order to prevent maloperation, have employed anti-misoperation sheet: the plug of pre-fabricated electric cables is provided with jack corresponding on the position of anti-misoperation sheet, when longitudinally anti-error brace and panel terminal disconnect, namely when longitudinally the panel terminal of anti-error brace place row is all positioned at Kuan Chu position, longitudinally the anti-misoperation sheet of anti-error brace one end is fixedly plugged in this jack, thus longitudinally anti-error brace can be relatively fixed position, keep the state disconnected with panel terminal.
The anti-misoperation sheet of the anti-error brace one end of described longitudinal direction is provided with the push jack perpendicular to anti-misoperation sheet.
Like this, when being moved to pre-fabricated electric cables plug by longitudinal anti-error brace by push jack, until anti-misoperation sheet inserts in pre-fabricated electric cables plug, now, panel terminal is just in time in the wide place of longitudinally anti-error brace, and the two is off state.When longitudinal anti-error brace being pushed away pre-fabricated electric cables plug by push jack, until anti-misoperation sheet departs from pre-fabricated electric cables plug, now just in time clamp are at the narrow place of longitudinal anti-error brace for panel terminal, and the two is connection status, and panel terminal is short circuit state.
In sum, the utility model provides the anti-error pre-fabricated electric cables connector of a kind of intelligent substation current testing type, breach pre-fabricated electric cables device for a long time and need the little conventional design theory with being directly connected in space, have employed indirect connections, achieve the prefabricated connection of current return; Can by be wherein arranged panel terminal short circuit during such operation, the problem of opening a way is not allowed with the mutual inductor solved in current return, then the connection of two row's panel terminals is disconnected, so that carry out measuring, the operation such as test, meet the requirement of current return test, realize " plug and play " of current circuit connections, greatly reduce the operation element amount of transformer station.
Accompanying drawing explanation
Figure 1 shows that the planar structure schematic diagram of current transformer side described in the utility model socket panel.
Figure 2 shows that the planar structure schematic diagram of secondary device side described in the utility model socket panel, the dotted line shown in Fig. 1 and Fig. 2 is signal framework, non-practical structures.Shown in Fig. 1, square dotted line frame S1 part is the panel terminal be connected with Current Transformer Secondary side, and oblong dotted line frame S2 is the panel terminal be connected with plug; Shown in Fig. 2, square dotted line frame S3 is the panel terminal be connected with plug, and oblong dotted line frame S4 is the panel terminal be connected with secondary device.
Figure 3 shows that lateral connection sheet described in the utility model connects the planar structure schematic diagram of same group of same phase and different two panel terminals arranged.Fig. 4 is then for lateral connection sheet disconnects the planar structure schematic diagram of two panel terminals.
Figure 5 shows that the planar structure schematic diagram of the anti-error brace short circuit of longitudinal direction described in the utility model with row's panel terminal.Be then longitudinal anti-error brace and the same planar structure schematic diagram arranged panel terminal and disconnect shown in Fig. 6.
Fig. 7 is the view of the anti-error pre-fabricated electric cables connector of intelligent substation current testing type described in the utility model socket panel in normal operation.
Fig. 8 is the structural representation of the pre-fabricated electric cables plug with wrong insertion-proof slot described in the utility model.
Fig. 9 is the planar structure schematic diagram of current transformer side socket panel under testing current state described in the utility model.
Figure 10 is the planar structure schematic diagram of secondary device side socket panel under secondary device flow test state described in the utility model.Wherein, the dotted rectangle frame of Fig. 9 and Figure 10 is signal framework, but not practical structures, the frame of dotted rectangle shown in Fig. 9 S5 is the panel terminal be connected with reometer, and the frame of dotted rectangle shown in Figure 10 S6 is the panel terminal of impressed current.
Below in conjunction with embodiment, the utility model is described further.
Embodiment
Most preferred embodiment:
The anti-error pre-fabricated electric cables connector of intelligent substation current testing type, include current transformer side socket panel, secondary device side socket panel and connect the pre-fabricated electric cables of above-mentioned two socket panels, pre-fabricated electric cables two ends are provided with plug.Two kinds of panel jacks have included multiple panel terminal 1, lateral connection sheet 2 and longitudinal anti-error brace 3, and wherein longitudinally one end of anti-error brace 3 is provided with anti-misoperation sheet 4 and the push jack 6 perpendicular to longitudinal anti-error brace 3.In order to better understand mentality of designing of the present utility model, following specific embodiment is the structure of all parts, annexation and function one by one.
With reference to accompanying drawing 1 and accompanying drawing 2, current transformer side socket panel and secondary device side socket panel include a plurality of panel terminal 1 and lateral connection sheet 2(is shown in Fig. 3 and Fig. 4); In intelligent substation, current transformer generally comprises three groups of Secondary Winding, and therefore a plurality of panel terminal is divided into 3 groups, is respectively used to protection, measures, measures.Panel terminal is metal conductive materials.Each group current terminal comprises two adjacent rows, and 4 connection terminals are drawn together in each package, respectively corresponding A, B, C, N phase.Wherein, the socket panel of current transformer side as shown in Figure 1: often organize in panel terminal, wherein a row connects Current Transformer Secondary side, and another row then connects the plug of pre-fabricated electric cables one end; Secondary device side socket panel as shown in Figure 2, is often organized in panel terminal, wherein row's connecting secondary equipment, and another row then connects the plug of the pre-fabricated electric cables other end.
With reference to accompanying drawing 3 and accompanying drawing 4, above-mentionedly often organize two row's current terminals corresponding to Secondary Winding, between two panel terminals of same group of same phase and different row, a lateral connection sheet 2 is set, controls the break-make between two panel terminals by lateral connection sheet 2.Lateral connection sheet is metal conductive materials, Non-follow control.Lateral connection sheet is provided with horizontal and vertical two kinds of location statuss, the connecting and disconnecting respectively between corresponding two terminals, and Fig. 3 is on-state signal, and Fig. 4 is off state signal.The groove that on socket panel, design is corresponding with lateral connection chip size, for the position of fixed lateral brace.
Further with reference to accompanying drawing 5 and accompanying drawing 6, the terminal be connected with Current Transformer Secondary side increases longitudinally anti-error brace 3, longitudinally anti-error brace 3 is for constructing in one more piece calabash shape, form a wide narrow continuous structure thus, grow up in wide place in the diameter of panel terminal, the interior length at narrow place is then less than the diameter of panel terminal, longitudinally anti-error brace is for control A, B, C three-phase current loop short circuit, namely each connection with Current Transformer Secondary side on the socket panel of current transformer side arranges panel terminal, and each connection with pre-fabricated electric cables plug on the socket panel of secondary device side is arranged on panel terminal and is all arranged an anti-error brace of longitudinal direction.
On the other hand, CT secondary side open circuit when pulling up for preventing pre-fabricated electric cables plug, anti-misoperation sheet 4 is installed additional in one end of longitudinal anti-error brace 3, when longitudinally anti-error brace is in off-state, anti-misoperation sheet will run off socket panel, stretch in the jack 5 that pre-fabricated electric cables plug designs in advance (see accompanying drawing 8), form bolt-lock, pre-fabricated electric cables plug cannot be pulled up.Also namely, only have first longitudinal anti-error brace to be placed in and connect position, after making the loop short circuit of A, B, C three-phase, just can pull up plug, thus effectively prevent maloperation from causing CT secondary side to be opened a way.
Longitudinally anti-error brace is metal conductive materials, and Non-follow control, is provided with upper and lower two kinds of location statuss, when longitudinal anti-error brace position down time, the equal inlay card of panel terminal in the position, narrow place of longitudinal anti-error brace, three-phase loop short circuit, as shown in Figure 5; Position upward time, longitudinally the panel terminal of anti-error brace place row is all positioned at Kuan Chu position, and longitudinally anti-error brace and panel terminal are in off-state, and three-phase loop disconnects, as shown in Figure 6.The groove that on socket panel, design is corresponding with longitudinally anti-error brace size, for the position of the anti-error brace of fixing longitudinal direction.Longitudinally anti-error brace is provided with the push jack 6 protruding from receptacle face of isolation material, for hand push longitudinally anti-error brace, to switch the location status of longitudinally anti-error brace.
With reference to accompanying drawing 7, under normal operating conditions, A, B, C three-phase current loop of each group is independent of one another, and two row's current wiring terminals should be in on-state.One row's panel terminal makes secondary device or secondary winding in current transformer be connected by lateral connection sheet in cabinet, and another row's connection terminal shields secondary winding in current transformer or secondary device in cabinet by plug and offside and is connected, thus makes loop conducting.Longitudinally anti-error brace and panel terminal are off state.
With reference to accompanying drawing 9, when needs measurement current transform er secondary side winding electric current, first reometer is connected to the panel terminal that current transformer side socket panel is connected with secondary winding in current transformer, then lateral connection sheet is disconnected, finally carry out the test of measuring electric current.
With reference to accompanying drawing 10, when needs carry out through-flow test to secondary device, first the anti-error brace of longitudinal direction on the socket panel of secondary device side is placed in short circuit state, then lateral connection sheet is disconnected, the connection terminal be finally connected with secondary device on socket panel powers up stream and carry out testing.
It should be noted that the state corresponding to operating process of " plug plug " is switching state, when needs plug in, longitudinally anti-error brace must be in short circuit position, otherwise due to the stop of anti-misoperation sheet, plug cannot be inserted; In like manner, when plug pulled up by needs, also must be placed in short circuit position by the longitudinal anti-error brace of Schilling, after making A, B, C three-phase loop short circuit, plug could be pulled up.
The utility model improves conventional pre-fabricated electric cables connector, the anti-error pre-fabricated electric cables connector of a kind of current testing type is proposed, new connection terminal expanded by the pre-fabricated electric cables socket of routine, the connection terminal that the connection terminal making plug side corresponding is corresponding with equipment side separates, and control break-make by lateral connection sheet, to meet current return test demand; On the other hand, increase the slidingtype longitudinally anti-error brace of band anti-misoperation sheet at equipment side connection terminal, plug increases the perforate corresponding with anti-misoperation sheet.When plug is connected with socket, plug can block by anti-misoperation sheet, and plug cannot be pulled up, when plug pulled up by needs, first must pass through longitudinally anti-error brace, by the short circuit of A, B, C three-phase current, just can pull up plug, thus effectively prevent Current Transformer Secondary side CT from opening a way.
The utility model proposes a kind of current testing type anti-error pre-fabricated electric cables connector design proposal, pre-fabricated electric cables can be made to meet current return testing requirements on the one hand, can effectively prevent from debugging and maintenance personnel from mispluging on the other hand to pull out pre-fabricated electric cables plug, avoid Current Transformer Secondary side CT to open a way.This design can make the range of application of pre-fabricated electric cables extend further in the current return of intelligent substation, realizes " plug and play " of current circuit connections, reduces intelligent substation construction workload.
It is same as the prior art that the utility model does not state part.
Claims (3)
1. the anti-error pre-fabricated electric cables connector of intelligent substation current testing type, is characterized in that, include current transformer side socket panel, secondary device side socket panel and connect the pre-fabricated electric cables of above-mentioned two socket panels, pre-fabricated electric cables two ends are provided with plug; Described current transformer side socket panel and secondary device side socket panel include a plurality of panel terminal and lateral connection sheet; A plurality of panel terminal is divided into many groups, and often group is two adjacent rows, and often arranging all has four panel terminals, corresponds to A, B, C, N phase respectively, and lateral connection sheet connects two panel terminals of same group of same phase and different row; Current transformer side socket panel is often organized in panel terminal, and wherein a row connects Current Transformer Secondary side, and another row then connects the plug of pre-fabricated electric cables one end; Secondary device side socket panel is often organized in panel terminal, wherein row's connecting secondary equipment, another row then connects the plug of the pre-fabricated electric cables other end, and described lateral connection sheet is metal conductive materials.
2. the anti-error pre-fabricated electric cables connector of intelligent substation current testing type according to claim 1, it is characterized in that, on the socket panel of current transformer side, the panel terminal that each row is connected with Current Transformer Secondary side is provided with longitudinally anti-error brace, this longitudinal anti-error brace is for constructing in one more piece calabash shape, form a wide narrow continuous structure thus, grow up in wide place in the diameter of panel terminal, the interior length at narrow place is then less than the diameter of panel terminal, one end of the anti-error brace of this longitudinal direction is anti-misoperation sheet, when the panel terminal that longitudinally anti-error brace place is arranged all is positioned at Kuan Chu position, the anti-error brace of this longitudinal direction and panel terminal are in off-state, now anti-misoperation sheet stretches out socket panel, and be plugged in jack corresponding on the plug of pre-fabricated electric cables.
3. the anti-error pre-fabricated electric cables connector of intelligent substation current testing type according to claim 2, is characterized in that, the anti-misoperation sheet of the anti-error brace one end of described longitudinal direction is provided with the push jack perpendicular to anti-misoperation sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520827323.8U CN205067531U (en) | 2015-10-23 | 2015-10-23 | Prefabricated cable connector of mistake is prevented to intelligent substation current test type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520827323.8U CN205067531U (en) | 2015-10-23 | 2015-10-23 | Prefabricated cable connector of mistake is prevented to intelligent substation current test type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067531U true CN205067531U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520827323.8U Withdrawn - After Issue CN205067531U (en) | 2015-10-23 | 2015-10-23 | Prefabricated cable connector of mistake is prevented to intelligent substation current test type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205067531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242079A (en) * | 2015-10-23 | 2016-01-13 | 福建省电力勘测设计院 | Intelligent substation current test type anti-misoperation prefabricated cable connector |
-
2015
- 2015-10-23 CN CN201520827323.8U patent/CN205067531U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242079A (en) * | 2015-10-23 | 2016-01-13 | 福建省电力勘测设计院 | Intelligent substation current test type anti-misoperation prefabricated cable connector |
| CN105242079B (en) * | 2015-10-23 | 2018-05-04 | 中国电建集团福建省电力勘测设计院有限公司 | The anti-error pre-fabricated electric cables connector of intelligent substation current testing type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20180504 |
|
| AV01 | Patent right actively abandoned |