CN204088661U - The socket of the plug terminal preventing current transformer from opening a way and plug - Google Patents
The socket of the plug terminal preventing current transformer from opening a way and plug Download PDFInfo
- Publication number
- CN204088661U CN204088661U CN201420395588.0U CN201420395588U CN204088661U CN 204088661 U CN204088661 U CN 204088661U CN 201420395588 U CN201420395588 U CN 201420395588U CN 204088661 U CN204088661 U CN 204088661U
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- plug
- socket
- current transformer
- casing
- conductive
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Abstract
The utility model discloses a kind of socket and plug of the plug terminal preventing current transformer from opening a way, described socket comprises Socket casing, two conductive seats, conductor ball and the springs of isolation material, one end of described conductive seat is the tubular Plug pin patch bay that the contact pin close-fitting of described plug can be allowed to insert, and the other end is the joint of the lead-in wire connecting Current Transformer Secondary side; In the joint setting-in Socket casing of conductive seat, the unsettled inner chamber being placed in Socket casing of Plug pin patch bay; Form dell in described Socket casing, described conductor ball and spring fitting are in described dell; The spacing of the stage casing flange of two conductive seats is less than the sphere diameter of described conductor ball.The beneficial effects of the utility model are: the short circuit current automatically cutting off Current Transformer Secondary side; do not need manual short circuit secondary circuit; particularly can be directly embedded into the secondary device such as integrated technical reformation or supervising device inner for plug, not only easy to use but also effectively prevent people from being the generation of contingency.
Description
technical fieldthe utility model relates to current transformer, particularly relates to for Current Mutual Inductance two side, prevents the plug terminal that current transformer is opened a way.
background technologycurrent transformer (current transformer, be called for short CT) is a kind of current converter, and high pressure and low-voltage, high-current are become the lower small area analysis supply instrument of voltage and protective relaying device and instrument and protective device and high-tension circuit separated by it.Can not open a way in distribution system because Current Transformer Secondary side, otherwise due to transformer iron core Flux saturation, secondary side produces the high pressure of thousands of volt, and secondary insulating destroys, and produces danger to equipment and operations staff.For meeting the requirement do not opened a way in Current Transformer Secondary side, the wiring of Current Transformer Secondary side and other equipment, need terminal switching by experiment, before the overhaul of the equipments that secondary side is connected, first terminal is by experiment needed by Current Transformer Secondary side short circuit, to meet the object do not opened a way in Current Transformer Secondary side.But because of a variety of causes, as experiment terminal structure and qualitative defect, use the screw rod of middle experiment terminal and copper coin screw linear contact lay bad, just cause open circuit; Or slip up in service work, user forgets experiment terminal short circuit sheet short circuit, connects the line of setting to disconnect secondary side thus causes the danger opened a way in Current Transformer Secondary side.
utility model contentsocket and plug that the technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and proposes a kind of plug terminal preventing current transformer from opening a way, the experiment terminal solving prior art current transformer easily causes the problems such as Current Transformer Secondary open circuit because of reasons such as structures.
The utility model is solve the problems of the technologies described above the technical scheme proposed to be:
Design, make a kind of socket of the plug terminal preventing current transformer from opening a way, described socket comprises Socket casing, two conductive seats, conductor ball and springs, one end of described conductive seat is provided with the tubular Plug pin patch bay inserted for contact pin, and the other end is the joint connecting Current Transformer Secondary side lead-in wire; The joint of conductive seat is flush-mounted in Socket casing, the unsettled inner chamber being placed in Socket casing of Plug pin patch bay; Form dell in described Socket casing, described conductor ball and spring fitting are in described dell; Distance between the stage casing flange of two conductive seats is less than the sphere diameter of described conductor ball.
In the inner chamber of described Socket casing, form the stiffener vertical with conductive seat; The stage casing of conductive seat be fastened in be opened in described stiffener circular hole in; Through hole is offered on described stiffener and corresponding to the position of described conductor ball.
Described conductor ball is iron shot, steel ball or copper pearl.
The utility model is the technical scheme solving the problems of the technologies described above and propose:
Design, make a kind of plug of the plug terminal preventing current transformer from opening a way, suitable with aforesaid socket; Comprise plug casing and two conductive poles; Each described conductive pole one end is the connector connecting external equipment, and the other end is insert the contact pin in described socket; In described plug casing inner chamber, form partition wall inner chamber through for left and right being divided into left and right chamber, described conductive pole is vertically inserted on partition wall, and the connector of each conductive pole and contact pin lay respectively in the left and right chamber of plug casing; Described right chamber and described socket profile suitable; On described partition wall, being positioned at contact pin homonymy and corresponding to the position of conductor ball of described socket, forming for pushing up the push rod of pressing described conductor ball.
Described push rod is platypelloid type, and the width of push rod is less than the aperture of through hole on stiffener in socket.
The end face of described push rod is cambered surface, adaptive with spherome surface.
Compared with the existing technology comparatively, the socket of the plug terminal that the utility model prevents current transformer from opening a way and the beneficial effect of plug are: 1. socket adopt spring and conductor ball, the design that plug adopts push rod to match with conductor ball, when plug pulls away socket, conductor ball is ejected under the action of the spring, by two conductive seat short circuits of socket, the short circuit current of automatic cut-out Current Transformer Secondary side, without the need to manual short circuit secondary circuit, just can change, overhaul secondary side element, effectively prevent Current Transformer Secondary side from opening a way; When a plug is to be inserted into the socket, conductor ball, under the effect of push rod, overcomes the effect of spring, moves apart two conductive seats of socket, and Current Transformer Secondary side and the external circuit of plug or device form loop; Particularly can be directly embedded into the secondary device such as integrated technical reformation or supervising device inner for plug, coordinates the socket being arranged on Current Transformer Secondary side, just realize directly plugging plug, not only easy to use but also effectively prevent people from being the generation of contingency; 2. shaping stiffener in socket inner chamber, what conductive seat was fixed is more firm, improves stability and the reliability of product; 3. push rod becomes platypelloid type and end face is designed to the cambered surface suitable with spheroid, and the contact of push rod and conductor ball is more fitted, more smooth, easy to use during the pressure of top.
accompanying drawing explanationfig. 1 is that the master that in the socket of the plug terminal that the utility model prevents current transformer from opening a way and the preferred embodiment of plug, plug 1 inserts socket 2 looks cross-sectional schematic;
Fig. 2 is that the master of plug 1 in described preferred embodiment looks cross-sectional schematic;
Fig. 3 is that schematic diagram is looked on a left side for plug 1 described in described preferred embodiment;
Fig. 4 is that schematic diagram is looked on a left side for plug 1 described in described preferred embodiment;
Fig. 5 is that the master of socket 2 in described preferred embodiment looks cross-sectional schematic;
Fig. 6 is that schematic diagram is looked on a left side for socket 2 in described preferred embodiment.
embodimentbelow, shownschematically each preferred embodiment sets forth the utility model further by reference to the accompanying drawings.
The socket 2 of the plug terminal that the utility model prevents current transformer from opening a way, see Fig. 5 and Fig. 6, comprise Socket casing 21, two conductive seats 22, conductor ball 23 and springs 24 of isolation material, one end of described conductive seat 22 is provided with the tubular Plug pin patch bay 221(inserted for contact pin 122 and combines see Fig. 1), the other end is the joint 222 connecting Current Transformer Secondary side lead-in wire; The joint 222 of conductive seat 22 is flush-mounted in Socket casing 21, the unsettled inner chamber being placed in Socket casing 21 of Plug pin patch bay 221; Form dell 210 in described Socket casing 21, described conductor ball 23 and spring 24 are arranged in described dell 210; Distance between the stage casing flange 223 of two conductive seats 22 is less than the sphere diameter of described conductor ball 23.Without under outer effect, conductor ball 23 is ejected dell 210 by spring 24, and as shown in Figure 5, now conductor ball 23 is stuck between the stage casing flange 223 of two conductive seats 22 just, make the two conducting, thus make the Current Transformer Secondary side short circuit that is connected with this conductive seat.In the inner chamber of Socket casing 21, form the stiffener 212 vertical with conductive seat 22; The stage casing of conductive seat 22 be fastened in be opened in described stiffener 212 circular hole in; On described stiffener 212, corresponding to the position of described conductor ball 23, offer through hole 2121.Described stiffener, what conductive seat 22 was fixed is more firm, improves stability and the reliability of product.In the present embodiment, described conductor ball 23 can adopt iron shot, steel ball or copper pearl.
The plug 1 of the plug terminal that the utility model prevents current transformer from opening a way, as shown in Figures 2 to 4, comprises plug casing 11 and two conductive poles 12 of isolation material; Each described conductive pole 12 one end is the connector 121 connecting external equipment, and the other end is insert the contact pin 122 in described Plug pin patch bay; In described plug casing 11 inner chamber, form the partition wall 13 inner chamber through for left and right being divided into left and right chamber 14,15, described conductive pole 12 is vertically inserted on partition wall 13, and the connector 121 of each conductive pole 12 and contact pin 122 lay respectively in the left and right chamber 14,15 of plug casing 11; Described right chamber 15 is suitable with described socket 2 profile; On described partition wall 13, being positioned at contact pin homonymy and corresponding to the position of conductor ball 23 of described socket 2, forming for pushing up the push rod 16 of pressing described conductor ball 23.Shown in composition graphs 4 and Fig. 6, in the present embodiment, described push rod 16 is in platypelloid type, and the width of push rod 16 is less than the aperture of through hole 2121 on stiffener 212 in socket, so that push rod 16 can pass through; The end face of described push rod 16 is cambered surface, adaptive with spherome surface, and when plug 1 inserts socket 2, this push rod 16 is more fitted with the contact of conductor ball 23, more smooth, easy to use during the pressure of top.
The socket 2 that Fig. 1 illustrates the plug terminal that the utility model prevents current transformer from opening a way matches with plug 1 situation of grafting, after both coordinate grafting good, the contact pin 122 of plug inserts in the tubular Plug pin patch bay 221 of socket 2, push rod 16 through on the stiffener 212 in socket through hole 2121, overcome the elastic force effect of spring 24, to head in dell 210 by conductor ball 23 between two conductive seats 22, connection between two conductive seats 22 in socket 2 disconnects, thus use the formation loop, Current Transformer Secondary side being connected to the external device between plug 1 connector 121 and being connected with socket 2 side, when plug 1 is pulled out, the conductor ball 23 of socket 2 is ejected dell 210 by spring 24 again, and conductor ball 23 is stuck between the stage casing flange 223 of two conductive seats 22, makes the Current Transformer Secondary side short circuit be again connected with socket 2.Obviously; the socket of the plug terminal in the present embodiment is arranged on Current Transformer Secondary side; coordinate the plug 1 be directly embedded on the secondary device such as integrated technical reformation or supervising device; achieve automatic short circuit when Current Transformer Secondary side does not connect external device; without the need to manual short circuit; make Current Transformer Secondary side can directly plug, prevent people from being the generation of contingency.
Claims (6)
1. a socket for the plug terminal preventing current transformer from opening a way, is characterized in that:
Comprise Socket casing, two conductive seats, conductor ball and springs, one end of each described conductive seat is provided with the tubular Plug pin patch bay inserted for contact pin, and the other end is the joint connecting Current Transformer Secondary side lead-in wire; The joint of conductive seat is flush-mounted in Socket casing, the unsettled inner chamber being placed in Socket casing of Plug pin patch bay; Form dell in described Socket casing, described conductor ball and spring fitting are in described dell; Distance between the stage casing flange of two conductive seats is less than the sphere diameter of described conductor ball.
2. according to the socket of the plug terminal preventing current transformer from opening a way according to claim 1, it is characterized in that: in the inner chamber of described Socket casing, form the stiffener vertical with conductive seat; The stage casing of conductive seat be fastened in be opened in described stiffener circular hole in; Through hole is offered on described stiffener and corresponding to the position of described conductor ball.
3. according to the socket of the plug terminal preventing current transformer from opening a way according to claim 1, it is characterized in that: described conductor ball is iron shot, steel ball or copper pearl.
4. a plug for the plug terminal preventing current transformer from opening a way, suitable with the socket described in any one of the claims 1-3; It is characterized in that:
Comprise plug casing and two conductive poles; Each described conductive pole one end is the connector connecting external equipment, and the other end is insert the contact pin in described Plug pin patch bay; In described plug casing inner chamber, form partition wall inner chamber through for left and right being divided into left and right chamber, described conductive pole is vertically inserted on partition wall, and the connector of each conductive pole and contact pin lay respectively in the left and right chamber of plug casing; Described right chamber and described socket profile suitable; On described partition wall, being positioned at contact pin homonymy and corresponding to the position of conductor ball of described socket, forming for pushing up the push rod of pressing described conductor ball.
5. according to the plug of the plug terminal preventing current transformer from opening a way according to claim 4, it is characterized in that: described push rod is platypelloid type, the width of push rod is less than the aperture of through hole on stiffener in socket.
6. according to the plug of the plug terminal preventing current transformer from opening a way according to claim 5, it is characterized in that: the end face of described push rod is cambered surface, adaptive with spherome surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395588.0U CN204088661U (en) | 2014-07-17 | 2014-07-17 | The socket of the plug terminal preventing current transformer from opening a way and plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395588.0U CN204088661U (en) | 2014-07-17 | 2014-07-17 | The socket of the plug terminal preventing current transformer from opening a way and plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088661U true CN204088661U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395588.0U Expired - Fee Related CN204088661U (en) | 2014-07-17 | 2014-07-17 | The socket of the plug terminal preventing current transformer from opening a way and plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088661U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107238A (en) * | 2017-12-23 | 2018-06-01 | 宁波泰丰源电气有限公司 | A kind of new transient state recording type fault detector |
| CN108598751A (en) * | 2018-07-05 | 2018-09-28 | 上海思方电气技术有限公司 | A kind of anti-open circuit electric connector for current transformer pre-fabricated electric cables |
| CN108899690A (en) * | 2018-07-05 | 2018-11-27 | 上海思方电气技术有限公司 | A kind of anti-open circuit electrical fitting |
| CN109950722A (en) * | 2017-11-23 | 2019-06-28 | 国网新疆电力有限公司建设分公司 | A kind of anti-open ended system of secondary loop of mutual inductor and pre-fabricated electric cables |
| CN111095684A (en) * | 2017-09-28 | 2020-05-01 | 株式会社自动网络技术研究所 | Connector with a locking member |
-
2014
- 2014-07-17 CN CN201420395588.0U patent/CN204088661U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111095684A (en) * | 2017-09-28 | 2020-05-01 | 株式会社自动网络技术研究所 | Connector with a locking member |
| CN111095684B (en) * | 2017-09-28 | 2021-03-12 | 株式会社自动网络技术研究所 | Connector with a locking member |
| CN109950722A (en) * | 2017-11-23 | 2019-06-28 | 国网新疆电力有限公司建设分公司 | A kind of anti-open ended system of secondary loop of mutual inductor and pre-fabricated electric cables |
| CN108107238A (en) * | 2017-12-23 | 2018-06-01 | 宁波泰丰源电气有限公司 | A kind of new transient state recording type fault detector |
| CN108598751A (en) * | 2018-07-05 | 2018-09-28 | 上海思方电气技术有限公司 | A kind of anti-open circuit electric connector for current transformer pre-fabricated electric cables |
| CN108899690A (en) * | 2018-07-05 | 2018-11-27 | 上海思方电气技术有限公司 | A kind of anti-open circuit electrical fitting |
| CN108598751B (en) * | 2018-07-05 | 2023-10-20 | 上海思方电气技术有限公司 | Open-circuit-preventing electric connector |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20200717 |