CN203178402U - Novel current transformer test rod and test device - Google Patents
Novel current transformer test rod and test device Download PDFInfo
- Publication number
- CN203178402U CN203178402U CN 201320078786 CN201320078786U CN203178402U CN 203178402 U CN203178402 U CN 203178402U CN 201320078786 CN201320078786 CN 201320078786 CN 201320078786 U CN201320078786 U CN 201320078786U CN 203178402 U CN203178402 U CN 203178402U
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- China
- Prior art keywords
- current transformer
- test
- bar
- new type
- mutual inductor
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- Expired - Lifetime
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Abstract
The utility model discloses a novel current transformer test rod and a test device. The novel current transformer test rod comprises a current transformer test rod head, a plurality of prolongation-used intermediate connection insulating rods which are connected with the current transformer test rod head to prolong or shorten the novel current transformer test rod according to different voltage grades, and a current transformer test rod tail rod connected with the current transformer test rod head or the prolongation-used intermediate connection insulating rods. By adopting the above novel current transformer test rod, potential safety hazard to a worker, working strength of the worker, and working hour can be reduced according to raise of the voltage grade; in addition, a copper metal conductor hanging member is used for connection between a test wire and a current-guide portion of a primary coil of a current transformer, in this way, when the worker works, the worker can connect the circuit reliably, thereby reducing the probability of hurting people by an object falling from high altitudes, and further reducing the potential safety hazard, reducing the working strength of the worker, and reducing the working hour.
Description
Technical field
The utility model relates to technical field of power systems, in particular, relates to a kind of New type of current mutual inductor measuring bar and proving installation.
Background technology
Along with the continuous development of electrical network, the equipment of administration also increases constantly, and polarity test work is a large amount of appearing in the work on the spot too.In electric system; current transformer polarity has great importance to the correct metering of correct operation, electric power system tide calculating and the electrical load of relay protection; therefore, newly drop at each bar circuit, all will carry out the test of polarity after the work such as replacing and current transformer change no-load voltage ratio.
At present; test for current transformer needs several staff's close fit; raising along with electric pressure; the distance on current-carrying part and ground also increases thereupon; the height that the staff need climb is also a lot of along with increasing; especially be independent architecture at 220KV and above current transformer; increase work difficulty and also reduced the safety coefficient of working simultaneously; and the staff who ascends a height is not having under the situation of safety precautions; the highest climbing to more than 5 meters, having higher potential safety hazard apart from ground.In addition, existing to the raising of current transformer polarity test work along with electric pressure, the personnel that need work also increase to 5 people by 3 original people, wherein, one people hangs test lead, people's staircase, a staff and takes battery energising, a people to carry out the secondary circuit test at the secondary side of terminal box, also needs one people increases test voltage with the series connection of two batteries when a batteries can't satisfy requiring of electric current, has not only increased working strength and has also increased man-hour.
Therefore, provide a kind of New type of current mutual inductor measuring bar and proving installation, with solve along with the reduction of electric pressure to staff's potential safety hazard with reduce staff's working strength and reduce work hours, be those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the utility model provides a kind of New type of current mutual inductor measuring bar and proving installation, reduces staff's potential safety hazard along with the raising of electric pressure and reduces staff's working strength and the problem of reducing work hours to solve.
For achieving the above object, the utility model provides following technical scheme:
A kind of New type of current mutual inductor measuring bar, comprise: current transformer test club head, the some prolongations that prolong or shorten described New type of current mutual inductor measuring bar according to different electric pressures that connect with described current transformer test club head are with middle connection insulating bar, and with described current transformer test club head or described prolongation with the middle current transformer reference test bar foot piece that is connected the insulating bar connection, wherein
One end of described current transformer test club head is provided with the copper metallic conductor suspension member that reliably is connected with the primary winding conductor part of described current transformer;
The other end of described current transformer test club head is provided with described prolongation and is connected the fixedly connected syndeton of insulating bar or described current transformer reference test bar foot piece with the centre;
Described prolongation is provided with the fixed sturcture of fixedlying connected with described syndeton with the middle two ends that connect insulating bar;
The inside of described current transformer reference test bar foot piece is provided with the DC power-supply circuit that described New type of current mutual inductor measuring bar is carried out direct current supply.
Preferably, described current transformer test club head also comprises:
Be arranged on the described copper metallic conductor suspension member, be fastenedly connected the optional test pole of plug crimping of the described test lead of different connected modes;
Be connected with described copper metallic conductor suspension member, prolong the hollow insulator of described New type of current mutual inductor measuring bar;
Be provided with the copper metal insulator reinforcing member of realizing that described metallic conductor suspension member and described hollow insulator reliably are connected between described copper metallic conductor suspension member and the described hollow insulator.
Wherein, described syndeton is connected insulating bar fixedly connected metal connecting piece with described prolongation with the centre for realizing.
Wherein, described fixed sturcture is the groove that is connected with described metal connecting piece.
Wherein, an end of described current transformer reference test bar foot piece is provided with the metal connecting piece of fixedlying connected with the groove on the described fixed sturcture.
Wherein, the two ends of described current transformer reference test bar foot piece are respectively arranged with the optional test pole of plug crimping that is fastenedly connected different connected mode test leads.
Wherein, the inner DC circuit of described current transformer reference test bar foot piece provides the test DC current by dry cell, and is provided with the rotatable web member of opening at the tail end of described current transformer reference test bar foot piece.
The utility model also discloses a kind of New type of current transformer test device on the basis of above-mentioned disclosed a kind of New type of current mutual inductor measuring bar, comprising: test mobile jib, test faller and some connection leads, wherein,
Described test mobile jib comprises that described current transformer test club head, some described prolongations connect insulating bar and described current transformer reference test bar foot piece with the centre;
Described test faller comprises that described current transformer test club head and some described prolongations connect insulating bar with the centre;
Described connection lead is connected described test mobile jib according to test circuit with described test faller, realize the connection of circuit.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model openly provides a kind of New type of current mutual inductor measuring bar and proving installation, this New type of current mutual inductor measuring bar comprises: current transformer test club head, the middle connection insulating bar of some prolongations according to different electric pressures prolongations or shortening New type of current mutual inductor measuring bar with the connection of current transformer test club head, and with current transformer test club head or prolong the current transformer reference test bar foot piece that is connected the insulating bar connection with middle, wherein, an end of current transformer test club head is provided with the copper metallic conductor suspension member that reliably is connected with the primary winding conductor part of current transformer; The other end of current transformer test club head is provided with prolonging with the centre and is connected the fixedly connected syndeton of insulating bar or current transformer reference test bar foot piece; Prolong with the middle two ends that connect insulating bar and be provided with the fixed sturcture of fixedlying connected with syndeton; The inside of current transformer reference test bar foot piece is provided with the DC power-supply circuit that New type of current mutual inductor measuring bar is carried out direct current supply.By adopting above-mentioned New type of current mutual inductor measuring bar, can reduce staff's potential safety hazard according to the raising of electric pressure and reduce staff's working strength and reduce work hours; In addition, copper metallic conductor suspension member is used in being connected of the primary winding water diversion part of p-wire and current transformer, when the staff carries out work, can very reliable connecting circuit, reduced the probability that falling object from high altitude is hurted sb.'s feelings, further reduced potential safety hazard and reduce staff's working strength and reduce work hours.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the structural representation of the disclosed a kind of New type of current mutual inductor measuring bar of the utility model embodiment;
Fig. 2 is the structural representation of the disclosed New type of current transformer test of the utility model embodiment club head;
Fig. 3 is the prolongation of the disclosed New type of current mutual inductor measuring of the utility model embodiment bar connects insulating bar with the centre structural representation;
Fig. 4 is the structural representation of the disclosed New type of current mutual inductor measuring of the utility model embodiment bar foot piece;
The circuit diagram that Fig. 5 tests for the disclosed New type of current transformer test of the utility model embodiment pole pair current transformer;
Fig. 6 is the structural representation of the disclosed a kind of New type of current transformer test device of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also accompanying drawing 1, be the structural representation of the disclosed New type of current mutual inductor measuring of the utility model embodiment bar.The utility model embodiment discloses a kind of New type of current mutual inductor measuring bar, comprise: current transformer test club head 101, the middle connection insulating bar 102 of some prolongations according to different electric pressures prolongations or shortening New type of current mutual inductor measuring bar with 101 connections of current transformer test club head, and with current transformer test club head 101 or prolong the current transformer reference test bar foot piece 103 that is connected insulating bar 102 connections with middle, wherein, an end of current transformer test club head 101 is provided with the copper metallic conductor suspension member that reliably is connected with the primary winding conductor part of current transformer; The other end of current transformer test club head 101 is provided with prolonging with the centre and is connected the fixedly connected syndeton of insulating bar 102 or current transformer reference test bar foot piece 103; Prolong with the middle two ends that connect insulating bar 102 and be provided with the fixed sturcture of fixedlying connected with syndeton; The inside of current transformer reference test bar foot piece 101 is provided with the DC power-supply circuit that New type of current mutual inductor measuring bar is carried out direct current supply.
By the disclosed New type of current mutual inductor measuring of above-mentioned the utility model embodiment bar, to connect insulating bar summation current transformer reference test bar foot piece fixedly connected with middle can to test club head, some prolongations by current transformer, increase and use length, directly by the copper metallic conductor suspension member on the current transformer test club head lead is articulated in the primary side of current transformer, no longer need the staff to climb operation, reduced staff's potential safety hazard, simultaneously, the difficulty of reduction work also makes work flow oversimplify.
In addition, adopt copper metallic conductor suspension member that lead is articulated in primary side and the secondary side of current transformer, no longer need to use crocodile clip, the probability that falling object from high altitude is hurted sb.'s feelings reduces, and has further reduced staff's potential safety hazard.
Can adopt multiple mode to carry out it fixedly connected about current transformer test club head, some prolongations with the middle annexation that connects between the insulating bar summation current transformer reference test bar foot piece.The concrete annexation that the utility model provides sees also following specific descriptions to each structure.
Preferably, see also accompanying drawing 2, be the structural representation of the disclosed New type of current transformer test of the utility model embodiment club head.Specifically as shown in Figure 2, the structure of current transformer test club head specifies as follows:
Current transformer test club head comprises: copper metallic conductor suspension member 1, the optional test pole 2 of plug crimping, reinforcing metal connecting piece 3, hollow insulating bar 4 and metal connecting piece 5, wherein, copper metallic conductor suspension member 1 is used for reliably being connected with current transformer primary winding conductor part, and difficult drop-off; The optional test pole 2 of plug crimping is used for being fastenedly connected the test lead of different connected modes; Reinforcing metal connecting piece 3 is connected with the reliable of hollow insulating bar 4 for copper metallic conductor suspension member 1; Hollow insulating bar 4 can reduce the too high problem of over distance total quality, avoids unexpected and takes place; Metal connecting piece 5 can be realized and prolong the perfection connection that is connected insulating bar or current transformer reference test bar foot piece with middle.Concrete structure can be designed to as shown in Figure 2.The major function of these parts is articulated on the coil of current transformer by copper metallic conductor suspension member for lead being installed in the optional test pole of plug crimping 2 places, realizes the reliable connection of lead.
Preferably, see also accompanying drawing 3, connect the structural representation of insulating bar for the prolongation of the disclosed New type of current mutual inductor measuring of the utility model embodiment bar with the centre.Specifically as shown in Figure 3, the prolongation of New type of current mutual inductor measuring bar specifies as follows with the middle structure that connects insulating bar:
Prolong with the middle insulating bar that connects and comprise: the groove 6 that is connected with above-mentioned metal connecting piece 5, can reduce the too high problem of over distance total quality equally, avoid the unexpected hollow insulating bar 7 that takes place and can realize and metal connecting piece 8 that the perfection of current transformer reference test bar foot piece is connected.According to the difference of electric pressure, can add several and prolong with the middle insulating bar that connects, operating personnel can be connected circuit easily, make things convenient for staff's workflow.The major function of these parts is the entire length that prolongs or shorten New type of current mutual inductor measuring bar according to different electric pressures.
Concrete, prolonging and also can be arranged to metal connecting piece with the groove that arranges on the intermediate insulation bar, the metal connecting piece on the corresponding current transformer test club head changes to the groove that is used with it and gets final product.
Preferably, see also accompanying drawing 4, be the structural representation of the disclosed New type of current mutual inductor measuring of the utility model embodiment bar foot piece.Specifically as shown in Figure 4, the structure of New type of current mutual inductor measuring bar bar tail specifies as follows:
New type of current mutual inductor measuring bar bar tail comprises: with the groove 9 that above-mentioned prolongation is used with the metal connecting piece 8 that arranges on the intermediate insulation bar, the two ends of bar tail are respectively arranged with the optional test pole 10 of the plug crimping that is fastenedly connected different connected mode test leads and the optional test pole 11 of plug crimping; The inside that wherein plugs the optional test pole 10 of crimping is connected with built-in circuit; Cathode metal web joint 12 links to each other with the positive pole of dry cell, and negative pole metallic interconnect 13 is connected with the optional test pole of plug crimping with the negative pole of dry cell; At optional test pole 11 ends of plug crimping the rotatable web member of opening is set, is used for making things convenient for the replacing of dry cell.
Concrete, the groove that arranges on the New type of current mutual inductor measuring bar bar tail also can be arranged to metal connecting piece, and corresponding prolongation changes to the groove that is used with the metal connecting piece that arranges on intermediate insulation bar or the current transformer test club head and gets final product.
The above-mentioned metal connecting piece that provides and groove need design accordingly according to staff's custom, make things convenient for the staff to use.In addition, also can design accordingly according to different requirements about current transformer test club head, the length that prolongs with middle connection insulating bar summation current transformer reference test bar foot piece, also can be designed to the different length size.
The utility model openly provides a kind of New type of current mutual inductor measuring bar and proving installation, this New type of current mutual inductor measuring bar comprises: current transformer test club head, the some prolongations that prolong or shorten New type of current mutual inductor measuring bar according to different electric pressures that connect with current transformer test club head be with the middle insulating bar that connects, and with current transformer test club head or prolong the current transformer reference test bar foot piece that is connected the insulating bar connection with the centre.By adopting above-mentioned New type of current mutual inductor measuring bar, can reduce potential safety hazard and reduction staff's working strength and the problem of reducing work hours to the staff according to the raising of electric pressure; In addition, copper metallic conductor suspension member is used in being connected of the primary winding water diversion part of p-wire and current transformer, when the staff carries out work, can very reliable connecting circuit, and reduced the probability that falling object from high altitude is hurted sb.'s feelings, further reduced potential safety hazard.
The test circuit method of attachment of measuring current mutual inductor is still connected mode in the prior art, make things convenient for the staff to grasp, the physical circuit connected mode sees also accompanying drawing 5, the circuit diagram of testing for the disclosed New type of current transformer test of the utility model embodiment pole pair current transformer.
The utility model sees also accompanying drawing 6 on the basis of above-mentioned disclosed a kind of New type of current mutual inductor measuring bar, be the structural representation of the disclosed a kind of New type of current transformer test device of the utility model embodiment.The utility model embodiment also discloses a kind of New type of current transformer test device, comprise test mobile jib 61, test faller 62 and some connection leads 63, wherein, test mobile jib 61 comprises that current transformer test club head 101, some prolongations connect insulating bar 102 and current transformer reference test bar foot piece 103 with the centre; The test faller comprises that current transformer test club head 101 and some prolongations connect insulating bar 102 with the centre; Connect lead 63 with reference to the accompanying drawings the test circuit in 5 will test mobile jib 61 and test faller 62 and be connected the connection of realization circuit.
Current transformer is being carried out in the process of polarity test, at first, preliminary work, select a plurality of prolongations to connect insulating bar with the centre according to electric pressure, current transformer is tested club head and some prolongations to be coupled together to form and tests mobile jib with middle insulating bar and the current transformer reference test bar foot piece of being connected, lead is fixed on the metallic conductor suspension member by the optional test pole of plug crimping, current transformer being tested club head and some prolongations couples together to form and tests faller with the middle insulating bar that is connected again, carry out lead according to the circuit connecting mode shown in Fig. 6 and connect, realize the connection of circuit.After the foregoing circuit connection is finished, only need a staff come gauge tap, just can finish the test to current transformer polarity.
In addition, according to the difference of electric pressure, the staff can select current transformer reference test bar foot piece as required, and the DC current that needs is provided, and finishes whole test process.
In sum, the utility model openly provides a kind of New type of current mutual inductor measuring bar and proving installation, this New type of current mutual inductor measuring bar comprises: current transformer test club head, the middle connection insulating bar of some prolongations according to different electric pressures prolongations or shortening New type of current mutual inductor measuring bar with the connection of current transformer test club head, and with current transformer test club head or prolong the current transformer reference test bar foot piece that is connected the insulating bar connection with middle, wherein, an end of current transformer test club head is provided with the copper metallic conductor suspension member that reliably is connected with the primary winding conductor part of current transformer; The other end of current transformer test club head is provided with prolonging with the centre and is connected the fixedly connected syndeton of insulating bar or current transformer reference test bar foot piece; Prolong with the middle two ends that connect insulating bar and be provided with the fixed sturcture of fixedlying connected with syndeton; The inside of current transformer reference test bar foot piece is provided with the DC power-supply circuit that New type of current mutual inductor measuring bar is carried out direct current supply.By adopting above-mentioned New type of current mutual inductor measuring bar, can reduce potential safety hazard and reduction staff's working strength and the problem of reducing work hours to the staff according to the raising of electric pressure; In addition, copper metallic conductor suspension member is used in being connected of the primary winding water diversion part of p-wire and current transformer, when the staff carries out work, can very reliable connecting circuit, and reduced the probability that falling object from high altitude is hurted sb.'s feelings, further reduced potential safety hazard.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. New type of current mutual inductor measuring bar, it is characterized in that, comprise: current transformer test club head, the some prolongations that prolong or shorten described New type of current mutual inductor measuring bar according to different electric pressures that connect with described current transformer test club head are with middle connection insulating bar, and with described current transformer test club head or described prolongation with the middle current transformer reference test bar foot piece that is connected the insulating bar connection, wherein
One end of described current transformer test club head is provided with the copper metallic conductor suspension member that reliably is connected with the primary winding conductor part of described current transformer;
The other end of described current transformer test club head is provided with described prolongation and is connected the fixedly connected syndeton of insulating bar or described current transformer reference test bar foot piece with the centre;
Described prolongation is provided with the fixed sturcture of fixedlying connected with described syndeton with the middle two ends that connect insulating bar;
The inside of described current transformer reference test bar foot piece is provided with the DC power-supply circuit that described New type of current mutual inductor measuring bar is carried out direct current supply.
2. New type of current mutual inductor measuring bar according to claim 1 is characterized in that, described current transformer test club head also comprises:
Be arranged on the described copper metallic conductor suspension member, be fastenedly connected the optional test pole of plug crimping of the described test lead of different connected modes;
Be connected with described copper metallic conductor suspension member, prolong the hollow insulator of described New type of current mutual inductor measuring bar;
Be provided with the copper metal insulator reinforcing member of realizing that described metallic conductor suspension member and described hollow insulator reliably are connected between described copper metallic conductor suspension member and the described hollow insulator.
3. New type of current mutual inductor measuring bar according to claim 1 is characterized in that, described syndeton is connected insulating bar fixedly connected metal connecting piece with described prolongation with the centre for realizing.
4. New type of current mutual inductor measuring bar according to claim 3 is characterized in that, described fixed sturcture is the groove that is connected with described metal connecting piece.
5. New type of current mutual inductor measuring bar according to claim 4 is characterized in that, an end of described current transformer reference test bar foot piece is provided with the metal connecting piece of fixedlying connected with the groove on the described fixed sturcture.
6. New type of current mutual inductor measuring bar according to claim 1 is characterized in that, the two ends of described current transformer reference test bar foot piece are respectively arranged with the optional test pole of plug crimping that is fastenedly connected different connected mode test leads.
7. New type of current mutual inductor measuring bar according to claim 1, it is characterized in that, the inner DC circuit of described current transformer reference test bar foot piece provides the test DC current by dry cell, and is provided with the rotatable web member of opening at the tail end of described current transformer reference test bar foot piece.
8. a New type of current transformer test device is characterized in that, comprising: test mobile jib, test faller and some connection leads, wherein,
Described test mobile jib comprises that described current transformer test club head, some described prolongations connect insulating bar and described current transformer reference test bar foot piece with the centre;
Described test faller comprises that described current transformer test club head and some described prolongations connect insulating bar with the centre;
Described connection lead is connected described test mobile jib according to test circuit with described test faller, realize the connection of circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078786 CN203178402U (en) | 2013-02-19 | 2013-02-19 | Novel current transformer test rod and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320078786 CN203178402U (en) | 2013-02-19 | 2013-02-19 | Novel current transformer test rod and test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178402U true CN203178402U (en) | 2013-09-04 |
Family
ID=49075080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320078786 Expired - Lifetime CN203178402U (en) | 2013-02-19 | 2013-02-19 | Novel current transformer test rod and test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178402U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808972A (en) * | 2013-12-23 | 2014-05-21 | 广西桂网电力试验有限公司 | Current transformer polarity test rod |
| CN105675927A (en) * | 2016-03-21 | 2016-06-15 | 国网山东省电力公司烟台供电公司 | Portable low voltage nuclear phase insulating rod |
| CN110895323A (en) * | 2019-12-31 | 2020-03-20 | 国网山东省电力公司淄博供电公司 | Portable mutual inductor test rod |
-
2013
- 2013-02-19 CN CN 201320078786 patent/CN203178402U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808972A (en) * | 2013-12-23 | 2014-05-21 | 广西桂网电力试验有限公司 | Current transformer polarity test rod |
| CN105675927A (en) * | 2016-03-21 | 2016-06-15 | 国网山东省电力公司烟台供电公司 | Portable low voltage nuclear phase insulating rod |
| CN110895323A (en) * | 2019-12-31 | 2020-03-20 | 国网山东省电力公司淄博供电公司 | Portable mutual inductor test rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |