CN105403806B - A kind of combined type CT polarity detectors with distant control function - Google Patents
A kind of combined type CT polarity detectors with distant control function Download PDFInfo
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- CN105403806B CN105403806B CN201510999162.5A CN201510999162A CN105403806B CN 105403806 B CN105403806 B CN 105403806B CN 201510999162 A CN201510999162 A CN 201510999162A CN 105403806 B CN105403806 B CN 105403806B
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- 230000008054 signal transmission Effects 0.000 claims abstract description 7
- 240000007643 Phytolacca americana Species 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 4
- 210000004209 hair Anatomy 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
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Classifications
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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)
- Arrangements For Transmission Of Measured Signals (AREA)
- Selective Calling Equipment (AREA)
Abstract
It is an object of the invention to solve the problems of prior art, a kind of combined type CT polarity detectors with distant control function are found.Include the direct current signal supply unit for being electrically connected with CT primary sides and the CT polarity display devices for being electrically connected with CT secondary sides, direct current signal supply unit includes the first babinet, CT primary side electrical connectors are equipped in first babinet, remote control signal receiver and recharge formula accumulator, direct current signal supply unit is electrically connected by CT primary sides electrical connector with CT primary sides, remote control signal receiver includes remote control switch, CT primary side electrical connectors are connected with remote control switch, entirety after CT primary sides electrical connector is connected with remote control switch is connected with recharge formula accumulator, portable CT polarity display device includes the second babinet, the reception of CT secondary singals and processing unit and remote control signal transmission device are equipped in second babinet.The present invention improves safety and the convenience of CT Check up polarity.
Description
Technical field
The present invention relates to CT polarity detectors, and in particular to a kind of combined type CT polarity detectors with distant control function.
Background technology
CT polarity checking work is generally used direct current method at present, and pointer direct current milliammeter is serially connected in current transformer
Secondary circuit on, the cathode of dry cell be connected to the first winding P2 of current transformer extremely on, with the positive line of dry cell
The poles first winding P1 of " click " current transformer, " click " moment generate a positive direct-current pulse current in first winding, this
When observation DC milliammeter pointer deflection direction judge the polar correctness of CT.The defect of the prior art includes：1, it tests
Device (DC milliammeter, dry cell and conducting wire) is complicated scattered, and integrated level is low, and more people is needed to carry out.2, experiment is required for weight every time
The new positive direction for confirming conducting wire.When testing same secondary winding in current transformer for multiple current loops, need repeatedly more
Change jobs the wiring of place and ammeter, to considerably increase experiment difficulty and danger coefficient.3, DC ammeter use compared with
It is cumbersome, need horizontal stable to place, when testing the CT of different no-load voltage ratios, DC ammeter also needs to adjust suitable gear, prevents completely partially；
Such as DC ammeter reverse polarity connection, reverse deflection can be damaged meter by pointer when serious.4, switch place and control flow are being carried out
When apart from the polarity test of current loop farther out, switching the testing crew in place and control room need to keep call to synchronize at any time
Test operation, not only working efficiency is low, but also easily causes maloperation, causes the accident.
Invention content
It is an object of the invention to solve the problems of prior art, a kind of combined type CT with distant control function is found
Polarity detector improves safety and the convenience of CT Check up polarity.
A kind of combined type CT polarity detectors with distant control function, include the direct current signal for being electrically connected with CT primary sides
Supply unit and CT polarity display devices for being electrically connected with CT secondary sides, the direct current signal supply unit include the first case
Body, first babinet is interior equipped with CT primary sides electrical connector, remote control signal receiver and recharge formula accumulator, described
Direct current signal supply unit is electrically connected by CT primary sides electrical connector with CT primary sides, and remote control signal receiver includes remote control
Switch, the CT primary sides electrical connector connects with remote control switch, CT primary side electrical connectors connect with remote control switch after it is whole
Body is connected with recharge formula accumulator, and the portable CT polarity display device includes the second babinet, in second babinet
Equipped with the reception of CT secondary singals and processing unit and remote control signal transmission device.
Preferably, the remote control signal receiver includes remote control signal receiver antenna, the remote control signal receiver antenna
It is connected with the signal receiving end of remote control switch.
Preferably, the CT secondary singals receive and processing unit includes CT secondary sides electrical connector and signal processing device
It sets, CT polarity display device is electrically connected by CT secondary sides electrical connector with CT secondary sides, and the signal processing apparatus includes phase
Mutually two light emitting diodes in parallel, the signal processing apparatus both ends are electrically connected with CT secondary side electrical connectors.
Preferably, remote control signal transmission device includes remote controler and signal transmitting antenna.
Preferably, second babinet includes shell and the lid that is rotatablely connected by rotation axis with shell, the signal
It is connect with housing into rotation in the middle part of transmitting antenna.
Preferably, it is equipped with rotary electric machine in the shell, drum, the line are fixed in the rotation axis of the rotary electric machine
Bracing wire is arranged on disk, described bracing wire one end is connect with drum, and the bracing wire other end is connect with signal transmitting antenna lower end, described turn
Dynamic motor is between signal transmitting antenna and rotation axis.
Preferably, start button for controlling rotary electric machine startup is equipped in the shell and for controlling rotary electric machine
The close button of closing, after the signal transmitting antenna turns to horizontal direction, signal transmitting antenna just with close button
Contact.
Preferably, it is in the poke rod of 135 degree of angles setting, the lid closed state that the rotation axis, which is equipped with lid,
Under, the lower section of plane where the poke rod is located at lid, the shell is equipped with the control-rod for controlling start button, control
Bar processed is located at poke rod lower end, is connect with housing into rotation in the middle part of the control-rod, is equipped in the shell for keeping control-rod
The spring of vertical state, in the lid closing course, the poke rod stirs control-rod contact start button.
Following advantageous effects can be obtained by implementing the present invention：Direct current letter is controlled by remote control signal transmission device
Remote control switch in number supply unit closes or opens, and then can be with remote-controlled operation, and it is more convenient to operate；Direct current signal power supply
Device and CT polarity display devices are arranged in babinet, easy to carry, while also improving safety；Using recharge formula
Accumulator can charge repeatedly, save cost.
Description of the drawings
Fig. 1 is the overall structure 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 devices in the present invention；
Fig. 4 is the partial enlarged view at A in Fig. 3.
Specific implementation mode
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to specific embodiment
It is bright：
As shown in Figure 1 to 4, a kind of combined type CT polarity detectors with distant control function, including be used for and CT primary sides
The direct current signal supply unit of electrical connection and CT polarity display devices for being electrically connected with CT secondary sides, direct current signal power supply dress
It sets including the first babinet 1, the first babinet 1 is interior equipped with CT primary sides electrical connector 2, remote control signal receiver 3 and recharge
Formula accumulator 4, CT primary sides electrical connector 2 can be two metal jacks, and direct current signal supply unit passes through CT primary side electricity
Connector 2 is electrically connected with CT primary sides, and remote control signal receiver 3 includes remote control switch 31, and the signal of remote control switch 31 receives
End is connected with remote control signal receiver antenna 32, and CT primary sides electrical connector 2 is connected with remote control switch 31, CT primary side electrical connectors
2 are connected with the entirety after the series connection of remote control switch 31 with recharge formula accumulator 4, and portable CT polarity display device includes second
Babinet 11, the second babinet 11 are interior equipped with the reception of CT secondary singals and processing unit 12 and remote control signal transmission device, bis- letters of CT
Number receive and processing unit 12 include CT secondary sides electrical connector 121 and signal processing apparatus 122, CT secondary side electrical connectors
121 can be two metal jacks, and CT polarity display device is electrically connected by CT secondary sides electrical connector 121 with CT secondary sides,
Signal processing apparatus 122 includes two light emitting diodes parallel with one another, and two positive connections of light emitting diode one, one anti-
To connection, 122 both ends of signal processing apparatus are electrically connected with CT secondary sides electrical connector 121, i.e., 122 one end of signal processing apparatus with
One metal jack of CT secondary sides electrical connector 121 connects, 122 other end of signal processing apparatus and CT secondary side electrical connectors
121 another metal jack connection.CT secondary singals receive and processing unit 12 can connect indicator light or buzzer, in turn
It controls indicator light or buzzer carries out signal designation.
In use, CT primary sides electrical connector 2 is connect with CT primary sides, CT secondary sides electrical connector connects with CT secondary sides
It connects, is closed by remote control control remote control switch 31, CT primary sides electrical connector 2 is connected to recharge formula accumulator 4, with distant
The combined type CT polarity detectors of control function start and start to work, and can pass through two hairs in observation signal processing unit 122
The situation of giving out light of optical diode obtains test result.
As shown in Figure 3, Figure 4, remote control signal transmission device includes remote controler 13 and signal transmitting antenna 14, the second babinet 11
The lid 113 being rotatablely connected by rotation axis 112 including shell 111 and with shell 111,14 middle part of signal transmitting antenna and shell
111 rotation connections, shell 111 is interior to be equipped with rotary electric machine 15, and drum 16, drum are fixed in the rotation axis 112 of rotary electric machine 15
Bracing wire 17 is arranged on 16,17 one end of bracing wire is connect with drum 16, and 17 other end of bracing wire is connect with signal transmitting antenna lower end, is turned
Dynamic motor 15 is equipped between signal transmitting antenna 14 and rotation axis 112, in shell 111 to be started for controlling rotary electric machine 15
Start button 18 and close button 19 for controlling the closing of rotary electric machine 15, signal transmitting antenna turns to horizontal direction
Afterwards, signal transmitting antenna is just contacted with close button 19, and rotation axis 112, which is equipped with, stirs with lid in what 135 degree of angles were arranged
Bar 22, under lid closed state, the lower section of plane, shell 111 are located at 22 lower end of poke rod where poke rod 22 is located at lid
Equipped with the control-rod 20 for controlling start button 18,20 middle part of control-rod is rotatablely connected with shell 111, is equipped in shell 111
Spring 21 for keeping 20 vertical state of control-rod, in lid closing course, poke rod 22 stirs control-rod 20, control-rod 20
Contact start button 18 in rotation process, 21 one end of spring are arranged under the inside of 111 rear wall of shell, the other end and control-rod 20
Portion side connects, and in 20 lower part of control-rod towards 111 rear wall side of shell, start button 18 is arranged in control-rod the setting of spring 21
The 111 rear wall side of shell backwards of 20 lower parts, is closed during lid 113, poke rod 22 and 20 upper-end contact of control-rod, and dials
Dynamic control-rod 20 rotates, started by press button 18 after 20 lower end of control-rod is contacted with start button 18, and start button 18, which starts, to be turned
Dynamic motor 15, after rotary electric machine 15 starts, control turntable reels line 17, and bracing wire 17 pulls signal transmitting antenna 14 to rotate, works as letter
After number transmitting antenna 14 is moved in horizontal direction, signal transmitting antenna 14 is contacted with close button 19, passes through close button 19
Close rotary electric machine；And during opening lid, poke rod 22 controls control-rod 20 and is moved to 18 side of start button backwards, therefore
Control-rod 20 will not contact start button 18.When such structure can prevent from closing lid, signal transmitting antenna 14 is damaged by pressure,
Signal transmitting antenna 14 can be arranged can multi-faceted rotation structure, signal transmitting antenna 14 and 111 multi-faceted rotation of shell company
The technology connect is the prior art, is not discussed herein.
It these are only specific embodiments of the present invention, but the technical characteristic of the present invention is not limited thereto, any this field
Technical staff in the field of the invention, made by changes or modifications all cover the present invention the scope of the claims among.
Claims (2)
1. a kind of combined type CT polarity detectors with distant control function, it is characterised in that：Including being used to be electrically connected with CT primary sides
Direct current signal supply unit and CT polarity display devices for being electrically connected with CT secondary sides, the direct current signal supply unit
Including the first babinet, CT primary sides electrical connector, remote control signal receiver and recharge formula are equipped in first babinet
Accumulator, the direct current signal supply unit are electrically connected by CT primary sides electrical connector with CT primary sides, remote control signal receiver
Device includes remote control switch, and the CT primary sides electrical connector is connected with remote control switch, and CT primary sides electrical connector is opened with remote control
Close series connection after entirety be connected with recharge formula accumulator, the CT polarity display device include the second babinet, described second
It is equipped with the reception of CT secondary singals and processing unit in babinet and remote control signal transmission device, the remote control signal receiver also wrap
Remote control signal receiver antenna is included, the remote control signal receiver antenna is connected with the signal receiving end of remote control switch, remote signal hair
Injection device includes remote controler and signal transmitting antenna, and second babinet includes shell and is rotatablely connected by rotation axis with shell
Lid, connect with housing into rotation in the middle part of the signal transmitting antenna, the shell is interior equipped with rotary electric machine, the rotary electric machine
Rotation axis on be fixed with drum, bracing wire is arranged on the drum, described bracing wire one end is connect with drum, the bracing wire other end with
Signal transmitting antenna lower end connects, and the rotary electric machine is equipped between signal transmitting antenna and rotation axis in the shell
Start button for controlling rotary electric machine startup and the close button for controlling rotary electric machine closing, the signal emit day
After line turns to horizontal direction, signal transmitting antenna just with close button contact, the rotation axis, which is equipped with, with lid is in
The poke rod of 135 degree of angles setting, under the lid closed state, the poke rod is located at the lower section of lid place plane, described
Shell is equipped with the control-rod for controlling start button, and control-rod is located at poke rod lower end, the control-rod middle part and shell
It is rotatablely connected, the interior spring being equipped with for keeping control-rod vertical state of the shell, in the lid closing course, described group
Lever stirs control-rod contact start button.
2. a kind of combined type CT polarity detectors with distant control function as described in claim 1, it is characterised in that：The CT bis-
Secondary signal receives and processing unit includes CT secondary sides electrical connector and signal processing apparatus, and CT polarity display device passes through CT bis-
Secondary side electrical connector is electrically connected with CT secondary sides, and the signal processing apparatus includes two light emitting diodes parallel with one another, institute
Signal processing apparatus both ends are stated to be electrically connected with CT secondary side electrical connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510999162.5A CN105403806B (en) | 2015-12-26 | 2015-12-26 | A kind of combined type CT polarity detectors with distant control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510999162.5A CN105403806B (en) | 2015-12-26 | 2015-12-26 | A kind of combined type CT polarity detectors with distant control function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105403806A CN105403806A (en) | 2016-03-16 |
| CN105403806B true CN105403806B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510999162.5A Active CN105403806B (en) | 2015-12-26 | 2015-12-26 | A kind of combined type CT polarity detectors with distant control function |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107818670B (en) * | 2017-11-03 | 2020-09-11 | 上海联影医疗科技有限公司 | Medical equipment, remote controller thereof and remote control 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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| 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 |
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-
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 |
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Non-Patent Citations (2)
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