CN105203905A - Electric energy measuring secondary circuit rapid line inspection instrument - Google Patents
Electric energy measuring secondary circuit rapid line inspection instrument Download PDFInfo
- Publication number
- CN105203905A CN105203905A CN201510603421.8A CN201510603421A CN105203905A CN 105203905 A CN105203905 A CN 105203905A CN 201510603421 A CN201510603421 A CN 201510603421A CN 105203905 A CN105203905 A CN 105203905A
- Authority
- CN
- China
- Prior art keywords
- light emitting
- emitting diode
- transmitter
- electric energy
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to an electric energy measuring secondary circuit rapid line inspection instrument and belongs to the technical field of electric energy measuring devices. The electric energy measuring secondary circuit rapid line inspection instrument comprises a signal transmitter and a signal receiver which are independently arranged. The signal transmitter comprises a power module, a square wave transmitting element, a pulse distribution element, transmitter light-emitting diodes and a first wire with a first wire clamp. The signal receiver comprises receiver light-emitting diodes and a second wire with a second wire clamp. The signal transmitter and the signal receiver are connected to the two ends of a secondary circuit respectively, pulses are gradually released to the circuit through the signal transmitter, the transmitter light-emitting diodes and the receiver light-emitting diodes can be luminous in sequence at the same time, it shows that connection of the secondary circuit is normal, if one or more transmitter light-emitting diodes are not luminous, it shows that corresponding lines are disconnected, and if the receiver light-emitting diodes are not luminous in sequence, it shows that the line connection sequence is wrong. According to the electric energy measuring secondary circuit rapid line inspection instrument, procedures can be simplified, inspection time can be shortened, and inspection accuracy and safety are obviously improved.
Description
Technical field
The invention belongs to electric power meter technical field, relate to the installation detecting instrument of electric power meter, be specifically related to a kind of electric energy metering secondary fast line inspection instrument.
Background technology
Electric power meter comprises new clothes, the increase-volume of electric power meter when carrying out dress table and connecing electricity, the fault handling work in electric energy metrical loop all will check electric energy metering secondary, guarantee that wiring is accurate, the workload that metering secondary checks is comparatively large, proof cycle is long, the electric energy meter metering secondary wiring of phase three-wire three has 7, the electric energy meter metering secondary wiring of three-phase and four-line has 10, if when new website puts into operation, shunt is more, workload can be larger; During classic method measuring secondary circuit, be allow the corresponding line end ground connection of mutual inductor side and electric energy meter side, form by the earth the break-make that slotted line is carried out in loop, if the problem such as the earth point of meeting cabinet is aging, then cannot form reliable loop, when carrying out measuring circuit break-make with multimeter, accuracy is not high; Click terminal number of times when checking secondary circuit more, being 53 times during phase three-wire three, is 81 times during three-phase and four-line, and the number of times clicking terminal is more, and the number of times by mistake touching other loops can increase, and this makes the security risk of site work increase.
Can find in sum, the scrutiny program of classic method to electric energy metering secondary is loaded down with trivial details and take time and effort, and easily occur careless mistake, and security risk is high, therefore needs to develop a kind of electric energy metering secondary fast line inspection instrument.
Summary of the invention
Instant invention overcomes the shortcoming and defect existed in the conventional inspecting method of electric energy metering secondary, provide a kind of electric energy metering secondary fast line inspection instrument, this instrument can simplify the operation step, shortens proof cycle, reduce and click terminal number of times, reduce field work safe risk.
A kind of electric energy metering secondary fast line inspection instrument, key point is, this wire searcher comprises signal transmitter and the signal receiver of independent setting, signal transmitter comprises the power module be arranged in the first housing, signal radiated element, one group exports bindiny mechanism and corresponding one group of transmitter light emitting diode, transmitter light emitting diode connects with corresponding output bindiny mechanism, power module is connected with the input end of signal radiated element, export bindiny mechanism one end to be connected with the output terminal of signal radiated element, the other end is protruding through the first housing, signal receiver comprises a group of being arranged in the second housing and inputs bindiny mechanism and corresponding one group of receiver light emitting diode, input bindiny mechanism one end is connected with receiver light emitting diode, the other end is protruding through the second housing, receiver light emitting diode and one_to_one corresponding identical with the quantity of transmitter light emitting diode, described transmitter light emitting diode and receiver light emitting diode connection conducting direction is in circuit identical with signal transmit direction.
Described signal radiated element comprises connected square-wave generator NE555 and pulsqe distributor CD4017, transmitter light emitting diode is 4 groups and is connected with the output terminal of pulsqe distributor CD4017 respectively, 4 groups of transmitter light emitting diodes are respectively LED1, LED2, LED3, LED4, and corresponding receiver light emitting diode is respectively LED5, LED6, LED7, LED8.
Described all transmitter light emitting diodes and receiver light emitting diode are all parallel with a unilateral diode, and the conducting direction of unilateral diode is contrary with signal transmit direction.
Also be provided with the switch prompting mechanism be connected with power module in described signal transmitter, switch prompting mechanism is that a LED 0 and a protective resistance are composed in series.
The color of described LED 0 is not identical with the color of transmitter light emitting diode and receiver light emitting diode.
Described transmitter light emitting diode is identical with the color of receiver light emitting diode.
Described output bindiny mechanism comprises the first wire and the first wire clamp, first wire one end is connected with the output terminal of signal radiated element, the other end is protruding and be connected with the first wire clamp through the first housing, described input bindiny mechanism comprises the second wire and the second wire clamp, second wire one end is connected with reception prompting mechanism, and it is protruding and be connected with the second wire clamp that the other end passes the second housing.
The present invention adopts signal transmitter and signal receiver to carry out corresponding Signal transmissions, connection inspection is carried out by the situation that lights of corresponding transmitter light emitting diode and receiver light emitting diode, it is identical with signal transmit direction that all light emitting diodes connect conducting direction, signal transmitter and signal receiver are connected to secondary circuit two ends and carry out detection when forming loop, can judge whether this road is connected normally by the transmitter light emitting diode on same circuit and the situation that lights of receiver light emitting diode, trace routine simplifies greatly than traditional test mode, detection time obviously shortens, and not easily occur checking mistake, the accuracy checked have also been obtained guarantee, for follow-up normal use is had laid a good foundation.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of signal transmitter in the present invention.
Fig. 2 is the circuit theory schematic diagram of signal receiver in the present invention.
Fig. 3 be in the present invention signal transmitter be connected with secondary circuit with signal receiver after circuit theory diagrams.
Embodiment
The present invention relates to a kind of electric energy metering secondary fast line inspection instrument, this wire searcher comprises signal transmitter and the signal receiver of independent setting, signal transmitter comprises the power module be arranged in the first housing, signal radiated element, one group exports bindiny mechanism and corresponding one group of transmitter light emitting diode, transmitter light emitting diode connects with corresponding output bindiny mechanism, power module is connected with the input end of signal radiated element, export bindiny mechanism one end to be connected with the output terminal of signal radiated element, the other end is protruding through the first housing, signal receiver comprises a group of being arranged in the second housing and inputs bindiny mechanism and corresponding one group of receiver light emitting diode, input bindiny mechanism one end is connected with receiver light emitting diode, the other end is protruding through the second housing, receiver light emitting diode and one_to_one corresponding identical with the quantity of transmitter light emitting diode, described transmitter light emitting diode and receiver light emitting diode connection conducting direction is in circuit identical with signal transmit direction.
Specific embodiment, as depicted in figs. 1 and 2, described signal radiated element comprises connected square-wave generator NE555 and pulsqe distributor CD4017, transmitter light emitting diode is 4 groups and is connected with the output terminal of pulsqe distributor CD4017 respectively, 4 groups of transmitter light emitting diodes are respectively LED1, LED2, LED3, LED4, receiver light emitting diode is respectively LED5, LED6, LED7, LED8, all transmitter light emitting diodes and receiver light emitting diode are all parallel with a unilateral diode, the conducting direction of unilateral diode is contrary with signal transmit direction, the corresponding unilateral diode of transmitter light emitting diode is respectively VD1, VD2, VD3, VD4, the corresponding unilateral diode of receiver light emitting diode is respectively VD5, VD6, VD7, VD8, unilateral diode can carry out shunting action when electric current is excessive in the line, light emitting diode corresponding to protection is not damaged, the switch prompting mechanism be connected with power module is also provided with in signal transmitter, switch prompting mechanism is that a LED 0 and a protective resistance are composed in series, in switch prompting mechanism, the color of LED 0 is not identical with the color of transmitter light emitting diode and receiver light emitting diode, LED 0 selects diameter to be the red luminotron of 5mm, transmitter light emitting diode is identical with the color of receiver light emitting diode, all diameter is adopted to be the green luminotron of 3mm.
When using the wire searcher that the present invention relates in three-phase three-wire electric energy meter, as shown in Figure 3, signal transmitter and signal receiver access the circuit theory diagrams after secondary circuit, input bindiny mechanism in signal receiver comprises the second wire and the second wire clamp, second wire one end is connected with reception prompting mechanism, the other end is protruding and be connected with the second wire clamp through the second housing, with the mutual inductor side A of the second wire clamp corresponding to LED in signal receiver 5 by electric energy metrical loop, C phase current line is clamped, output bindiny mechanism in signal transmitter comprises the first wire and the first wire clamp, first wire one end is connected with the output terminal of signal radiated element, the other end is protruding and be connected with the first wire clamp through the first housing, with the first wire clamp corresponding to LED in signal transmitter 1 by electric energy meter side A, C phase current line is clamped, the like, other wire clamps are also connected with other tested loops of corresponding relation and secondary circuit of receiver light emitting diode according to phase transmitter light emitting diode, the power module of enabling signal transmitter provides 9V power supply for square-wave generator NE555, NE555 obtains electric work, produce square wave, LED0 red luminotron is glittering, its square wave rising edge triggers the CP end of CD4017, each Y end has decoding to export, and output terminal only has a high level circulation to occur, all the other are low level, the loop be constructed as follows: in luminotron LED1 → tested secondary circuit first → slave circuit, one of luminotron LED5 → VD6 to VD8 → another velamen surveys one of secondary circuit → main frame VD2 to VD4, like this, if the LED1 in host circuit is lit, LED5 in slave is also lit, then represent that tested secondary circuit single line is for " leading to ", the inspection principle of All other routes is identical, when secondary circuit is detected, if LED1-LED4 has the person of not working, namely dead end is represented, if LED5-LED8 non-sequential is lighted, then represent that line sequence is wrong.
Signal transmitter and signal receiver are connected to secondary circuit two ends by wire clamp by the fast line inspection instrument that the present invention adopts, simplify running program, shorten the cycle length of the line inspection, line inspection time when traditional line inspection mode is applied in three-phase three-wire electric energy meter loop and three-phase and four-line electric energy meter loop is respectively 12 minutes and 16 minutes, the line inspection time after application the present invention all shortens to 2 minutes, and the fast line inspection instrument in application the present invention is without the need to ground wire, judge that in loop, the connection of wiring judges after utilizing other line to form loop, avoid the aging impact on difference line accuracy of ground wire, improve the accuracy of the line inspection, in addition, wire clamp is clipped in corresponding loop by this fast line inspection instrument, greatly reduce the number of times clicking terminal, this reduces the security risk of by mistake touching other loops.
Claims (7)
1. an electric energy metering secondary fast line inspection instrument, it is characterized in that: this wire searcher comprises signal transmitter and the signal receiver of independent setting, signal transmitter comprises the power module be arranged in the first housing, signal radiated element, one group exports bindiny mechanism and corresponding one group of transmitter light emitting diode, transmitter light emitting diode connects with corresponding output bindiny mechanism, power module is connected with the input end of signal radiated element, export bindiny mechanism one end to be connected with the output terminal of signal radiated element, the other end is protruding through the first housing, signal receiver comprises a group of being arranged in the second housing and inputs bindiny mechanism and corresponding one group of receiver light emitting diode, input bindiny mechanism one end is connected with receiver light emitting diode, the other end is protruding through the second housing, receiver light emitting diode and one_to_one corresponding identical with the quantity of transmitter light emitting diode, described transmitter light emitting diode and receiver light emitting diode connection conducting direction is in circuit identical with signal transmit direction.
2. a kind of electric energy metering secondary fast line inspection instrument according to claim 1, it is characterized in that: described signal radiated element comprises connected square-wave generator NE555 and pulsqe distributor CD4017, transmitter light emitting diode is 4 groups and is connected with the output terminal of pulsqe distributor CD4017 respectively, 4 groups of transmitter light emitting diodes are respectively LED1, LED2, LED3, LED4, and corresponding receiver light emitting diode is respectively LED5, LED6, LED7, LED8.
3. a kind of electric energy metering secondary fast line inspection instrument according to claim 1, it is characterized in that: described all transmitter light emitting diodes and receiver light emitting diode are all parallel with a unilateral diode, and the conducting direction of unilateral diode is contrary with signal transmit direction.
4. a kind of electric energy metering secondary fast line inspection instrument according to claim 1; it is characterized in that: be also provided with the switch prompting mechanism be connected with power module in described signal transmitter, switch prompting mechanism is that a LED 0 and a protective resistance are composed in series.
5. a kind of electric energy metering secondary fast line inspection instrument according to claim 4, is characterized in that: the color of described LED 0 is not identical with the color of transmitter light emitting diode and receiver light emitting diode.
6. a kind of electric energy metering secondary fast line inspection instrument according to claim 1, is characterized in that: described transmitter light emitting diode is identical with the color of receiver light emitting diode.
7. a kind of electric energy metering secondary fast line inspection instrument according to claim 1, it is characterized in that: described output bindiny mechanism comprises the first wire and the first wire clamp, first wire one end is connected with the output terminal of signal radiated element, the other end is protruding and be connected with the first wire clamp through the first housing, described input bindiny mechanism comprises the second wire and the second wire clamp, second wire one end is connected with reception prompting mechanism, and it is protruding and be connected with the second wire clamp that the other end passes the second housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510603421.8A CN105203905A (en) | 2015-09-21 | 2015-09-21 | Electric energy measuring secondary circuit rapid line inspection instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510603421.8A CN105203905A (en) | 2015-09-21 | 2015-09-21 | Electric energy measuring secondary circuit rapid line inspection instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105203905A true CN105203905A (en) | 2015-12-30 |
Family
ID=54951687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510603421.8A Pending CN105203905A (en) | 2015-09-21 | 2015-09-21 | Electric energy measuring secondary circuit rapid line inspection instrument |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105203905A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105785200A (en) * | 2016-04-29 | 2016-07-20 | 国网浙江省电力公司绍兴供电公司 | Operation equipment correspondence testing device |
CN111693904A (en) * | 2020-04-29 | 2020-09-22 | 宁波三星医疗电气股份有限公司 | Terminal box access line sequence detection circuit and detection method using same |
CN113933759A (en) * | 2021-10-25 | 2022-01-14 | 国网山东省电力公司临沂供电公司 | Quick wire checking tool for wiring of meter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030055229A (en) * | 2003-06-12 | 2003-07-02 | 송지현 | A rheoscope with multi-function |
CN103197198A (en) * | 2013-04-27 | 2013-07-10 | 神华集团有限责任公司 | Cable checker |
CN103869210A (en) * | 2014-03-21 | 2014-06-18 | 国家电网公司 | Wiring right and wrong detector for electric energy metering device in power-off state |
CN204439769U (en) * | 2014-12-25 | 2015-07-01 | 国家电网公司 | Secondary cable alignment device |
CN205103355U (en) * | 2015-09-21 | 2016-03-23 | 国家电网公司 | Quick inspection of a line appearance of electric energy measurement secondary circuit |
-
2015
- 2015-09-21 CN CN201510603421.8A patent/CN105203905A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030055229A (en) * | 2003-06-12 | 2003-07-02 | 송지현 | A rheoscope with multi-function |
CN103197198A (en) * | 2013-04-27 | 2013-07-10 | 神华集团有限责任公司 | Cable checker |
CN103869210A (en) * | 2014-03-21 | 2014-06-18 | 国家电网公司 | Wiring right and wrong detector for electric energy metering device in power-off state |
CN204439769U (en) * | 2014-12-25 | 2015-07-01 | 国家电网公司 | Secondary cable alignment device |
CN205103355U (en) * | 2015-09-21 | 2016-03-23 | 国家电网公司 | Quick inspection of a line appearance of electric energy measurement secondary circuit |
Non-Patent Citations (1)
Title |
---|
司佑全: "CD4017在网线检测中的应用", 《元器件应用》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105785200A (en) * | 2016-04-29 | 2016-07-20 | 国网浙江省电力公司绍兴供电公司 | Operation equipment correspondence testing device |
CN111693904A (en) * | 2020-04-29 | 2020-09-22 | 宁波三星医疗电气股份有限公司 | Terminal box access line sequence detection circuit and detection method using same |
CN111693904B (en) * | 2020-04-29 | 2022-07-29 | 宁波三星医疗电气股份有限公司 | Terminal box access line sequence detection circuit and detection method using same |
CN113933759A (en) * | 2021-10-25 | 2022-01-14 | 国网山东省电力公司临沂供电公司 | Quick wire checking tool for wiring of meter |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103197198A (en) | Cable checker | |
CN203786244U (en) | Electrical wiring line checking device | |
CN102707185A (en) | 2M cable tester | |
CN105203905A (en) | Electric energy measuring secondary circuit rapid line inspection instrument | |
CN102455389A (en) | Three-phase AC (alternating current) power supply phase sequence detection device | |
CN1888921B (en) | Intelligent nuclear phase meter | |
CN204116430U (en) | A kind of relay protection multi-way outlet pressing plate pulse voltage pick-up unit | |
CN203217027U (en) | Cable correcting device | |
CN205103355U (en) | Quick inspection of a line appearance of electric energy measurement secondary circuit | |
CN101887099A (en) | Rapid cable checking instrument | |
CN104267303A (en) | On-off testing circuit and method for electric connector cable assembly and tester | |
CN2916644Y (en) | Intelligent nuclear phase instrument | |
CN203981802U (en) | Switch power source adapter automatic testing equipment | |
CN201955409U (en) | Key control panel testing circuit | |
CN201477176U (en) | Cable marker checking device | |
CN202652655U (en) | Led constant current drive circuit | |
CN105699832A (en) | Cable checking and grouping method | |
CN202453465U (en) | Common performance detector for light emitting diodes (LED) | |
CN202471906U (en) | Rapid tester for performance of light emitting diode | |
CN207263872U (en) | A kind of substation secondary cable sorter | |
CN205333770U (en) | Line detection device and system | |
CN102645600B (en) | Meter reading terminal hardware detection tool | |
CN203643520U (en) | Optoelectronic coupler fault detector | |
CN202075356U (en) | Detection device for multi-core plug base pin signal line | |
CN103116075B (en) | Intelligent phase-checking device for P-type power distribution station |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |