CN105403806A - Combined type CT polarity detector having remote control function - Google Patents
Combined type CT polarity detector having remote control function Download PDFInfo
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- CN105403806A CN105403806A CN201510999162.5A CN201510999162A CN105403806A CN 105403806 A CN105403806 A CN 105403806A CN 201510999162 A CN201510999162 A CN 201510999162A CN 105403806 A CN105403806 A CN 105403806A
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- remote control
- primary side
- combined type
- side electrical
- polarity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Selective Calling Equipment (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The objective of the invention is to solves problems in the prior art and the invention provides a combined type CT polarity detector having the remote control function. The detector comprises a direct-current signal power supply device which is electrically connected with a CT primary side, and a CT polarity display device which is electrically connected with a CT secondary side. The direct-current signal power supply device comprises a first box body. A CT primary side electrical connection piece, a remote control signal receiving device and a repeated charging type storage battery are arranged in the first box body. The direct-current signal power supply device is electrically connected with the CT primary side via the CT primary side electrical connection piece. The remote control receiving device comprises a remote control switch. The CT primary side electrical connection piece is serially connected with the remote control switch. The whole body formed after the CT primary side electrical connection piece is serially connected with the remote control switch is connected with the repeated charging type storage battery. The portable CT polarity display device comprises a second box body. A CT secondary signal receiving and processing device and a remote control signal emission device are arranged in the second box body. Thus, safety and portability of the CT polarity detection are improved.
Description
Technical field
The present invention relates to CT polarity detector, be specifically related to a kind of combined type CT polarity detector with distant control function.
Background technology
Current CT polarity checking work generally all adopts DC-method, pointer direct current milliammeter is serially connected on the secondary circuit of current transformer, the winding P2 that the negative pole of dry cell is connected to current transformer extremely goes up, with a winding P1 pole of positive pole line " click " current transformer of dry cell, " click " moment produces a positive direct-current pulse current at a winding, and the yawing moment now observing DC milliammeter pointer judges the correctness of CT polarity.The defect of prior art comprises: 1, proving installation (DC milliammeter, dry cell and wire) is complicated scattered, and integrated level is low, needs many people to carry out.2, each test all needs the positive dirction reaffirming wire.When testing same secondary winding in current transformer and being used for multiple current return, need the wiring repeatedly changing work place and reometer, thus, considerably increase test difficulty and danger coefficient.3, DC ammeter uses more loaded down with trivial details, needs horizontal stable to place, and when testing the CT of different no-load voltage ratio, DC ammeter also needs to adjust suitable gear, prevents completely inclined; As DC ammeter reverse polarity connection, pointer will oppositely deflect, and can damage table meter time serious.4, when carrying out the polarity test of switch place and the distant current return of control flow, the testing crew of switch place and pulpit need keep call to carry out simultaneous test operation at any time, and not only work efficiency is low, and very easily causes maloperation, causes the accident.
Summary of the invention
The object of the invention is to solve the problem existing for prior art, find a kind of combined type CT polarity detector with distant control function, improve security and the convenience of CT Check up polarity.
A kind of combined type CT polarity detector with distant control function, comprise the direct current signal supply unit for being electrically connected with CT primary side and the CT polarity display device for being electrically connected with CT secondary side, described direct current signal supply unit comprises the first casing, CT primary side electrical connector is provided with in described first casing, remote control signal receiver and recharge formula accumulator, described direct current signal supply unit is electrically connected with CT primary side by CT primary side electrical connector, remote control signal receiver comprises teleswitch, described CT primary side electrical connector is connected with teleswitch, CT primary side electrical connector connect with teleswitch after entirety be connected with recharge formula accumulator, described portable CT polarity display device comprises the second casing, be provided with CT secondary singal in described second casing to receive and treating apparatus and remote control signal transmission device.
Preferably, described remote control signal receiver comprises remote control signal receiver antenna, and described remote control signal receiver antenna is connected with the signal receiving end of teleswitch.
Preferably, described CT secondary singal receives and treating apparatus comprises CT secondary side electrical connector and signal processing apparatus, CT polarity display device is electrically connected with CT secondary side by CT secondary side electrical connector, described signal processing apparatus comprises two light emitting diodes parallel with one another, and described signal processing apparatus two ends are electrically connected with CT secondary side electrical connector.
Preferably, remote control signal transmission device comprises telepilot and signal emitting antenna.
Preferably, the lid that described second casing is comprised housing and is rotationally connected by rotation axis with housing, is connected with housing into rotation in the middle part of described signal emitting antenna.
Preferably, rotary electric machine is provided with in described housing, the rotation axis of described rotary electric machine is fixed with drum, described drum is arranged with bracing wire, described bracing wire one end is connected with drum, the bracing wire other end is connected with signal emitting antenna lower end, and described rotary electric machine is between signal emitting antenna and rotation axis.
Preferably, be provided with in described housing for control rotary electric machine start start button and for control rotary electric machine close X button, after described signal emitting antenna turns to horizontal direction, signal emitting antenna just in time with X button contact.
Preferably, it is the poke rod that 135 degree of angles are arranged that described rotation axis is provided with lid, under described lid closure state, described poke rod is positioned at the below of lid place plane, and described housing is provided with the control lever for controlling start button, and control lever is positioned at poke rod lower end, be connected with housing into rotation in the middle part of described control lever, be provided with the spring for the vertical state of retentive control bar in described housing, in described lid closing course, control lever contact start button stirred by described poke rod.
Following Advantageous Effects can be obtained: the teleswitch controlled in direct current signal supply unit by remote control signal transmission device is closed or open by implementing the present invention, and then can remote-controlled operation, it is more convenient to operate; Direct current signal supply unit and CT polarity display device are all arranged in casing, are easy to carry, also improve security simultaneously; Adopt recharge formula accumulator, can repeatedly charge, save cost.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the longitdinal cross-section diagram of direct current signal supply unit in the present invention;
Fig. 3 is the longitdinal cross-section diagram of CT polarity display device in the present invention;
Fig. 4 is the partial enlarged drawing at A place in Fig. 3.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with specific embodiment, the present invention is further illustrated:
As shown in Figure 1 to 4, a kind of combined type CT polarity detector with distant control function, comprise the direct current signal supply unit for being electrically connected with CT primary side and the CT polarity display device for being electrically connected with CT secondary side, direct current signal supply unit comprises the first casing 1, CT primary side electrical connector 2 is provided with in first casing 1, remote control signal receiver 3 and recharge formula accumulator 4, CT primary side electrical connector 2 can be two metal jacks, direct current signal supply unit is electrically connected with CT primary side by CT primary side electrical connector 2, remote control signal receiver 3 comprises teleswitch 31, the signal receiving end of teleswitch 31 is connected with remote control signal receiver antenna 32, CT primary side electrical connector 2 is connected with teleswitch 31, CT primary side electrical connector 2 connect with teleswitch 31 after entirety be connected with recharge formula accumulator 4, portable CT polarity display device comprises the second casing 11, be provided with CT secondary singal in second casing 11 to receive and treating apparatus 12 and remote control signal transmission device, CT secondary singal receives and treating apparatus 12 comprises CT secondary side electrical connector 121 and signal processing apparatus 122, CT secondary side electrical connector 121 can be two metal jacks, CT polarity display device is electrically connected with CT secondary side by CT secondary side electrical connector 121, signal processing apparatus 122 comprises two light emitting diodes parallel with one another, two light emitting diodes forward connects, an Opposite direction connection, signal processing apparatus 122 two ends are electrically connected with CT secondary side electrical connector 121, namely signal processing apparatus 122 one end is connected with a metal jack of CT secondary side electrical connector 121, signal processing apparatus 122 other end is connected with another metal jack of CT secondary side electrical connector 121.CT secondary singal receives and treating apparatus 12 can connect pilot lamp or hummer, and then controls pilot lamp or hummer and carry out signal designation.
During use, CT primary side electrical connector 2 is connected with CT primary side, CT secondary side electrical connector is connected with CT secondary side, control teleswitch 31 by telepilot to close, CT primary side electrical connector 2 is communicated with recharge formula accumulator 4, combined type CT polarity detector with distant control function starts and starts working, and can draw test result by the situation of giving out light of two light emitting diodes in observation signal treating apparatus 122.
As Fig. 3, shown in Fig. 4, remote control signal transmission device comprises telepilot 13 and signal emitting antenna 14, the lid 113 that second casing 11 is comprised housing 111 and is rotationally connected by rotation axis 112 with housing 111, be rotationally connected with housing 111 in the middle part of signal emitting antenna 14, rotary electric machine 15 is provided with in housing 111, the rotation axis 112 of rotary electric machine 15 is fixed with drum 16, drum 16 is arranged with bracing wire 17, bracing wire 17 one end is connected with drum 16, bracing wire 17 other end is connected with signal emitting antenna lower end, rotary electric machine 15 is between signal emitting antenna 14 and rotation axis 112, be provided with for controlling the start button 18 of rotary electric machine 15 startup and the X button 19 for controlling rotary electric machine 15 closedown in housing 111, after signal emitting antenna turns to horizontal direction, signal emitting antenna just in time contacts with X button 19, it is the poke rod 22 that 135 degree of angles are arranged that rotation axis 112 is provided with lid, under lid closure state, poke rod 22 is positioned at the below of lid place plane, housing 111 is positioned at poke rod 22 lower end and is provided with control lever 20 for controlling start button 18, be rotationally connected with housing 111 in the middle part of control lever 20, the spring 21 for the vertical state of retentive control bar 20 is provided with in housing 111, in lid closing course, control lever 20 stirred by poke rod 22, contact start button 18 in control lever 20 rotation process, spring 21 one end is arranged on the inner side of housing 111 rear wall, the other end is connected with control lever 20 lower side, spring 21 is arranged on control lever 20 bottom surfaces to housing 111 rear wall side, start button 18 is arranged on the housing dorsad 111 rear wall side of control lever 20 bottom, in closed lid 113 process, poke rod 22 and control lever 20 upper-end contact, and stir control lever 20 and rotate, control lever 20 lower end contacts rear started by press button 18 with start button 18, start button 18 starts rotary electric machine 15, after rotary electric machine 15 starts, control rotating disk and reel line 17, bracing wire 17 pulls signal emitting antenna 14 to rotate, when signal emitting antenna 14 moves to after in horizontal direction, signal emitting antenna 14 contacts with X button 19, rotary electric machine is closed by X button 19, and open in lid process, poke rod 22 controls control lever 20 and moves to start button 18 side dorsad, therefore control lever 20 can not contact start button 18.When such structure can prevent from closing lid, signal emitting antenna 14 is damaged by pressure, signal emitting antenna 14 can be arranged can the structure of multi-faceted rotation, and signal emitting antenna 14 and the multi-faceted technology be rotationally connected of housing 111 are prior aries, no longer describe here.
These are only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (8)
1. the combined type CT polarity detector with distant control function, it is characterized in that: comprise the direct current signal supply unit for being electrically connected with CT primary side and the CT polarity display device for being electrically connected with CT secondary side, described direct current signal supply unit comprises the first casing, CT primary side electrical connector is provided with in described first casing, remote control signal receiver and recharge formula accumulator, described direct current signal supply unit is electrically connected with CT primary side by CT primary side electrical connector, remote control signal receiver comprises teleswitch, described CT primary side electrical connector is connected with teleswitch, CT primary side electrical connector connect with teleswitch after entirety be connected with recharge formula accumulator, described portable CT polarity display device comprises the second casing, be provided with CT secondary singal in described second casing to receive and treating apparatus and remote control signal transmission device.
2. a kind of combined type CT polarity detector with distant control function as claimed in claim 1, it is characterized in that: described remote control signal receiver also comprises remote control signal receiver antenna, described remote control signal receiver antenna is connected with the signal receiving end of teleswitch.
3. a kind of combined type CT polarity detector with distant control function as claimed in claim 1, it is characterized in that: described CT secondary singal receives and treating apparatus comprises CT secondary side electrical connector and signal processing apparatus, CT polarity display device is electrically connected with CT secondary side by CT secondary side electrical connector, described signal processing apparatus comprises two light emitting diodes parallel with one another, and described signal processing apparatus two ends are electrically connected with CT secondary side electrical connector.
4. a kind of combined type CT polarity detector with distant control function as claimed in claim 1, is characterized in that: remote control signal transmission device comprises telepilot and signal emitting antenna.
5. a kind of combined type CT polarity detector with distant control function as claimed in claim 4, is characterized in that: the lid that described second casing is comprised housing and is rotationally connected by rotation axis with housing, is connected in the middle part of described signal emitting antenna with housing into rotation.
6. a kind of combined type CT polarity detector with distant control function as claimed in claim 5, it is characterized in that: in described housing, be provided with rotary electric machine, the rotation axis of described rotary electric machine is fixed with drum, described drum is arranged with bracing wire, described bracing wire one end is connected with drum, the bracing wire other end is connected with signal emitting antenna lower end, and described rotary electric machine is between signal emitting antenna and rotation axis.
7. a kind of combined type CT polarity detector with distant control function as claimed in claim 6, it is characterized in that: be provided with for controlling the start button of rotary electric machine startup and the X button for controlling rotary electric machine closedown in described housing, after described signal emitting antenna turns to horizontal direction, signal emitting antenna just in time with X button contact.
8. a kind of combined type CT polarity detector with distant control function as claimed in claim 7, it is characterized in that: it is the poke rod that 135 degree of angles are arranged that described rotation axis is provided with lid, under described lid closure state, described poke rod is positioned at the below of lid place plane, described housing is provided with the control lever for controlling start button, control lever is positioned at poke rod lower end, be connected with housing into rotation in the middle part of described control lever, the spring for the vertical state of retentive control bar is provided with in described housing, in described lid closing course, control lever contact start button stirred by described poke rod.
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CN201510999162.5A CN105403806B (en) | 2015-12-26 | 2015-12-26 | A kind of combined type CT polarity detectors with distant control function |
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CN201510999162.5A CN105403806B (en) | 2015-12-26 | 2015-12-26 | A kind of combined type CT polarity detectors with distant control function |
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CN105403806B CN105403806B (en) | 2018-07-13 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107818670A (en) * | 2017-11-03 | 2018-03-20 | 上海联影医疗科技有限公司 | Medical Devices and its remote control and remote control thereof |
CN110261726A (en) * | 2019-07-25 | 2019-09-20 | 国网河北省电力有限公司邢台供电分公司 | A kind of discharge coil polarity test device |
CN110286295A (en) * | 2019-05-13 | 2019-09-27 | 国家电网有限公司 | A kind of direct current feed control panel branch CT polarity test device and method |
CN112415440A (en) * | 2020-11-26 | 2021-02-26 | 国网天津市电力公司 | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6949934B1 (en) * | 2003-05-07 | 2005-09-27 | Abb Technology Ag | Fault-annuciating system for a transformer |
CN102982669A (en) * | 2012-09-29 | 2013-03-20 | 徐州格利尔科技有限公司 | Wireless receiving module of computer wireless remote control apparatus |
CN103389439A (en) * | 2013-07-29 | 2013-11-13 | 国家电网公司 | CT (computed tomography) polarity detecting instrument |
CN203950907U (en) * | 2014-07-15 | 2014-11-19 | 江西理工大学 | The blind big gun of a kind of detection signal transmitting antenna |
CN205280872U (en) * | 2015-12-26 | 2016-06-01 | 国网浙江武义县供电公司 | Take remote control function's combination formula CT polarity detection appearance |
-
2015
- 2015-12-26 CN CN201510999162.5A patent/CN105403806B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6949934B1 (en) * | 2003-05-07 | 2005-09-27 | Abb Technology Ag | Fault-annuciating system for a transformer |
CN102982669A (en) * | 2012-09-29 | 2013-03-20 | 徐州格利尔科技有限公司 | Wireless receiving module of computer wireless remote control apparatus |
CN103389439A (en) * | 2013-07-29 | 2013-11-13 | 国家电网公司 | CT (computed tomography) polarity detecting instrument |
CN203950907U (en) * | 2014-07-15 | 2014-11-19 | 江西理工大学 | The blind big gun of a kind of detection signal transmitting antenna |
CN205280872U (en) * | 2015-12-26 | 2016-06-01 | 国网浙江武义县供电公司 | Take remote control function's combination formula CT polarity detection appearance |
Non-Patent Citations (2)
Title |
---|
李传东: "主变微机保护电流互感器极性正确接线测试方法", 《电世界》 * |
谢冰 等: "电流互感器极性测试新方法的研究", 《中国高新技术企业》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107818670A (en) * | 2017-11-03 | 2018-03-20 | 上海联影医疗科技有限公司 | Medical Devices and its remote control and remote control thereof |
CN110286295A (en) * | 2019-05-13 | 2019-09-27 | 国家电网有限公司 | A kind of direct current feed control panel branch CT polarity test device and method |
CN110286295B (en) * | 2019-05-13 | 2021-07-06 | 国家电网有限公司 | Direct current feed screen branch CT polarity testing device and method |
CN110261726A (en) * | 2019-07-25 | 2019-09-20 | 国网河北省电力有限公司邢台供电分公司 | A kind of discharge coil polarity test device |
CN112415440A (en) * | 2020-11-26 | 2021-02-26 | 国网天津市电力公司 | Full-automatic polarity tester of three-phase alternating current loop mutual inductor group |
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