CN112433180A - Intelligent wiring detector for electric energy meter - Google Patents
Intelligent wiring detector for electric energy meter Download PDFInfo
- Publication number
- CN112433180A CN112433180A CN202011220282.8A CN202011220282A CN112433180A CN 112433180 A CN112433180 A CN 112433180A CN 202011220282 A CN202011220282 A CN 202011220282A CN 112433180 A CN112433180 A CN 112433180A
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- single chip
- chip microcomputer
- wireless communication
- communication module
- electric energy
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- 239000002131 composite material Substances 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 31
- 230000005284 excitation Effects 0.000 claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses an intelligent wiring detector of an electric energy meter, which comprises a transmitter and a receiver, wherein the transmitter is connected with the receiver; the transmitter comprises a first singlechip, a first wireless communication module, a first power module, a first composite wire clamp and a controllable voltage stabilizing source; the receiver comprises a second singlechip, a second wireless communication module, a second power module, a second composite wire clamp and a liquid crystal display screen; the plurality of first composite wire clamps are sequentially clamped on the side of the distribution box of the cable, and the plurality of second composite wire clamps are sequentially clamped on the side of the user electric meter of the cable; and the second composite wire clamp receives an excitation voltage signal output by the controllable voltage stabilization source and transmits the excitation voltage signal to the second single chip microcomputer, and the second single chip microcomputer judges whether the wiring of the cable is correct or incorrect according to the excitation voltage signal and displays a judgment result on the liquid crystal display screen. The labor is greatly saved and the working efficiency is improved during the wire alignment work.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to an intelligent wiring detector for an electric energy meter.
Background
The national network intelligent meter can realize the actual effects of remote acquisition, power purchase, power generation and the like because the national network intelligent meter does not need to be read, is widely popularized and used by companies, along with the rapid development of social economy in recent years, the installation amount of regional customers is rapidly increased, the work load of meter installation and wiring is also obviously improved, about 1.2 thousands of meters are newly installed and replaced in a Huairou region every year, and about 30 thousands of meters are installed in Beijing city. The intelligent meter is the only basis for the company to charge the electricity fee, so that the normal operation of the company is ensured, the counting is correct and important, but the wrong wiring condition is easily caused by a large amount of work, and if the error cannot be found in the wiring rechecking link, huge economic loss is brought to the company. In recent two years, the workload is increased sharply, and at present, companies carry out wiring work of installing tables and completing wiring work by outsourcing personnel and carry out wiring detection work by major teams and groups through business outsourcing. But no special alignment equipment and instrument is available in the field. The following problems are easily encountered:
1. on-site workers can complete the alignment work by at least three persons, which is time-consuming and labor-consuming.
2. Due to the fact that the quality of the personnel is uneven, wrong wiring accidents are likely to occur, and immeasurable loss is brought to companies.
Disclosure of Invention
The invention aims to provide an intelligent wiring detector for an electric energy meter, which solves the problems that manual wiring is time-consuming, labor-consuming and inaccurate.
In order to realize the purpose, the following technical scheme is adopted:
an intelligent wiring detector of an electric energy meter comprises a transmitter and a receiver; the transmitter comprises a first single chip microcomputer, a first wireless communication module, a first power supply module, a first composite wire clamp and a controllable voltage stabilizing source; the receiver comprises a second single chip microcomputer, a second wireless communication module, a second power supply module, a second composite wire clamp and a liquid crystal display screen; the first composite clamps are clamped on the distribution box side of the cable in sequence, and the second composite clamps are clamped on the user electric meter side of the cable in sequence;
the first power supply module is used for supplying power to the first singlechip and the first wireless communication module and supplying voltage to the controllable voltage-stabilizing source; the second power supply module is used for supplying power to the second singlechip and the second wireless communication module; the second singlechip is used for sending an instruction to the first singlechip through a second wireless communication module; the first single chip microcomputer receives an instruction through the first wireless communication module and controls the controllable voltage stabilizing source to transmit excitation voltage to the cable through the first composite wire clamp;
and the second composite wire clamp receives an excitation voltage signal output by the controllable voltage stabilization source and transmits the excitation voltage signal to the second single chip microcomputer, and the second single chip microcomputer judges whether the wiring of the cable is correct or incorrect according to the excitation voltage signal and displays a judgment result on a liquid crystal display screen.
Further, a first converter is connected to the first power module, and the first converter is a DC-DC converter and converts the 12V voltage provided by the first power module into a 5V voltage.
Further, the second power module is connected to a second converter, and the second converter is a DC-DC converter and converts the 12V voltage provided by the second power module into a 5V voltage.
Further, the first wireless communication module and the second wireless communication module are both 433M communication modules.
Furthermore, the first single chip microcomputer and the second single chip microcomputer are 51 series single chip microcomputers.
Furthermore, the models of the first single chip microcomputer and the second single chip microcomputer are both STC12C5A08S 2.
Further, the second composite wire clamp is connected with the second single chip microcomputer through an amplifier.
Further, the amplifier is an AD623 type amplifier.
Furthermore, the liquid crystal display screen is a capacitive touch screen.
Furthermore, the first power module and the second power module are both lithium batteries.
The invention has the following beneficial effects:
the intelligent wiring detector for the electric energy meter provided by the embodiment of the invention greatly saves manpower and improves working efficiency. The electric energy meter wiring detector is developed by adopting a radio loop method, and the wiring accuracy of the metering device can be completely ensured to be 100%. And the using method is simple and easy to learn. The system can be popularized and used in the metering major and can be expanded to be used by other teams related to the secondary wiring major.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a transmitter provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a receiver according to an embodiment of the present invention;
wherein: 1, a transmitter; 11 a first single chip microcomputer; 12 a first wireless communication module; 13 a first power supply module; 14 a first composite clamp; 15 controllable voltage-stabilizing source; 16 a first converter; 2, a receiver; 21 a second singlechip; 22 a second wireless communication module; 23 a second power supply module; 24 second composite clamp; 25 liquid crystal display screen; 26 a second converter; 27 amplifier.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
As shown in fig. 1 and 2, an intelligent wiring detector for an electric energy meter comprises a transmitter 1 and a receiver 2; the transmitter 1 comprises a first single chip microcomputer 11, a first wireless communication module 12, a first power module 13, a first composite wire clamp 14 and a relay 15. The receiver 2 comprises a second single chip microcomputer 21, a second wireless communication module 22, a second power module 23, a second composite wire clamp 24, a liquid crystal display screen 25 and a controllable voltage stabilizing source 26. The 10 first composite clamps 14 are clamped on the distribution box side of the cable in sequence, and the 10 second composite clamps 24 are clamped on the user electric meter side of the cable in sequence corresponding to the first composite clamps. The first power module 13 is connected to a first converter 16, the first converter 16 is a DC-DC converter, converts 12V voltage provided by the first power module 13 into 5V voltage, supplies power to the first single chip microcomputer 11 and the first wireless communication module 12, and provides voltage to the relay 15. The second power module 23 is connected to a second converter 26, the second converter 26 is a DC-DC converter, and converts the 12V voltage provided by the second power module 23 into a 5V voltage to supply power to the second single chip 21 and the second wireless communication module 22. The second power module 23 directly provides power for the liquid crystal display 25. The second single chip microcomputer 21 is configured to send an instruction to the first single chip microcomputer 11 through the second wireless communication module 22; the first single chip microcomputer 11 receives an instruction through the first wireless communication module 12, and controls the relay 15 to transmit 5V excitation voltage to the cable through the first composite wire clamp 14. The second composite wire clamp 24 is connected with the second single chip microcomputer 21 through an amplifier 27, receives an excitation voltage signal output by the relay 15 and transmits the excitation voltage signal to the second single chip microcomputer 21, the second single chip microcomputer 21 judges whether the wiring of the cable is correct or incorrect according to the excitation voltage signal, and a judgment result is displayed on the liquid crystal display screen 25.
The principle of judging whether the wiring is correct or incorrect is as follows: when the cable is used, the No. 1-No. 10 first composite wire clamps of the transmitter 1 are clamped on the side of a distribution box of the cable in sequence, and the No. 1-No. 10 second composite wire clamps of the receiver 2 are correspondingly clamped on the side of a user ammeter of the cable in sequence; after the equipment is started, the emitter 1 sends excitation voltage to the No. 1-No. 10 first composite wire clamps, and the No. 1-No. 10 second composite wire clamps of the receiver 2 receive the excitation voltage so as to judge whether the wiring is correct. For example, the excitation voltage from the first composite clamp No. 1 of the transmitter is received by the second composite clamp No. 2 of the receiver 2, so that the wiring error can be judged, and the result is displayed on the liquid crystal display screen.
The first wireless communication module 12 and the second wireless communication module 22 are both 433M communication modules, the 433M data transmission module has a long transmission distance, and can easily exceed 1 kilometer under optional conditions, so that the power consumption is not high, and the battery instrument is very suitable for use. The first single chip microcomputer 11 and the second single chip microcomputer 21 both adopt 51 series single chip microcomputers, the specific models are STC12C5A08S2, the price is low, the supply is stable, the single chip microcomputers are single clock/machine period 1T single chip microcomputers, 8K program space is provided, 1280 bytes of memory are stored, EEPROM functions, watchdog and special reset circuits are integrated, 2 serial interfaces are integrated, 8 paths of 10-bit Analog (AD) converters and the like are integrated, and the project requirements can be completely met. The amplifier 27 is an AD623 type amplifier. The liquid crystal display screen 25 is a capacitive touch screen. The first power module 13 and the second power module 23 are both lithium batteries.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. The intelligent wiring detector of the electric energy meter is characterized by comprising a transmitter (1) and a receiver (2); the transmitter (1) comprises a first single chip microcomputer (11), a first wireless communication module (12), a first power supply module (13), a first composite wire clamp (14) and a relay (15); the receiver (2) comprises a second single chip microcomputer (21), a second wireless communication module (22), a second power module (23), a second composite wire clamp (24), a liquid crystal display screen (25) and a controllable voltage stabilizing source (26); a plurality of the first composite clamps (14) are used for clamping on the distribution box side of the cable in sequence, and a plurality of the second composite clamps (24) are used for clamping on the user electric meter side of the cable in sequence;
the first power supply module (13) is used for supplying power to the first singlechip (11) and the first wireless communication module (12) and providing voltage for the relay (15); the second power supply module (23) is used for supplying power to the second singlechip (21), the second wireless communication module (22) and the liquid crystal display screen (25); the second single chip microcomputer (21) is used for sending an instruction to the first single chip microcomputer (11) through a second wireless communication module (22); the first single chip microcomputer (11) is used for receiving an instruction sent by the second single chip microcomputer (21) through a first wireless communication module (12) and controlling the relay (15) to transmit excitation voltage to a cable through a first composite wire clamp (14);
the second composite wire clamp (24) is used for receiving the excitation voltage signal output by the relay (15) and transmitting the excitation voltage signal to the second single chip microcomputer (21), and the second single chip microcomputer (21) is used for displaying the excitation voltage signal on the liquid crystal display screen (25).
2. The intelligent wiring detector of claim 1, wherein a first converter (16) is connected to the first power module (13), and the first converter (16) is a DC-DC converter for converting 12V voltage provided by the first power module (13) into 5V voltage.
3. The intelligent wiring detector of the electric energy meter according to claim 1, wherein a second converter (26) is connected to the second power module (23), and the second converter (26) is a DC-DC converter and is configured to convert 12V voltage provided by the second power module (23) into 5V voltage.
4. The intelligent wiring detector of claim 1, wherein the first wireless communication module (12) and the second wireless communication module (22) are 433M communication modules.
5. The intelligent wiring detector of the electric energy meter according to claim 1, wherein the first single chip microcomputer (11) and the second single chip microcomputer (21) are 51 series single chip microcomputers.
6. The intelligent wiring detector of the electric energy meter according to claim 5, characterized in that the models of the first single chip microcomputer (11) and the second single chip microcomputer (21) are STC12C5A08S 2.
7. The intelligent wiring detector of the electric energy meter according to claim 1, wherein the second composite wire clamp (24) is connected to the second single chip microcomputer (21) through an amplifier (27).
8. The intelligent wiring detector of claim 1, wherein the amplifier (27) is an AD623 amplifier.
9. The intelligent wiring detector of an electric energy meter according to claim 1, characterized in that the liquid crystal display (25) is a capacitive touch screen.
10. The intelligent wiring detector of the electric energy meter according to claim 1, wherein the first power module (13) and the second power module (23) are both lithium batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220282.8A CN112433180A (en) | 2020-11-04 | 2020-11-04 | Intelligent wiring detector for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220282.8A CN112433180A (en) | 2020-11-04 | 2020-11-04 | Intelligent wiring detector for electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112433180A true CN112433180A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011220282.8A Pending CN112433180A (en) | 2020-11-04 | 2020-11-04 | Intelligent wiring detector for electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112433180A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780346U (en) * | 2010-01-15 | 2011-03-30 | 重庆市电力公司江北供电局 | Special intelligent wiring detector for watt-hour meter wiring and electricity inspection |
| CN103885025A (en) * | 2014-03-04 | 2014-06-25 | 国家电网公司 | Load contrastive analysis tester |
| CN106324411A (en) * | 2015-07-02 | 2017-01-11 | 国网山东省电力公司潍坊供电公司 | Intelligent tester for metering wiring of secondary circuit |
| CN206696420U (en) * | 2017-04-27 | 2017-12-01 | 广西网冠电气有限公司 | A kind of test supply unit of three-phase electric energy meter false wiring |
| US20170350748A1 (en) * | 2016-06-01 | 2017-12-07 | Yokogawa Electric Corporation | Electromagnetic flow meter and miswiring detection method |
| CN206804782U (en) * | 2017-06-13 | 2017-12-26 | 国网四川省电力公司成都供电公司 | A kind of family table wiring detecting system |
| CN108447360A (en) * | 2018-03-08 | 2018-08-24 | 广西网冠电气有限公司 | A kind of three-phase three-wire electric energy meter device for simulating false wiring |
| CN208207122U (en) * | 2018-05-29 | 2018-12-07 | 广州供电局有限公司 | polarity tester |
| CN110058188A (en) * | 2019-05-24 | 2019-07-26 | 国网江苏省电力有限公司镇江供电分公司 | The active detector of electric energy metering device |
| CN111060850A (en) * | 2019-12-02 | 2020-04-24 | 国网河南省电力公司漯河供电公司 | Novel cable alignment device |
| CN111487469A (en) * | 2020-06-04 | 2020-08-04 | 国网江苏省电力有限公司宿迁供电分公司 | Current transformer secondary circuit contact resistance live detection device |
-
2020
- 2020-11-04 CN CN202011220282.8A patent/CN112433180A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780346U (en) * | 2010-01-15 | 2011-03-30 | 重庆市电力公司江北供电局 | Special intelligent wiring detector for watt-hour meter wiring and electricity inspection |
| CN103885025A (en) * | 2014-03-04 | 2014-06-25 | 国家电网公司 | Load contrastive analysis tester |
| CN106324411A (en) * | 2015-07-02 | 2017-01-11 | 国网山东省电力公司潍坊供电公司 | Intelligent tester for metering wiring of secondary circuit |
| US20170350748A1 (en) * | 2016-06-01 | 2017-12-07 | Yokogawa Electric Corporation | Electromagnetic flow meter and miswiring detection method |
| CN206696420U (en) * | 2017-04-27 | 2017-12-01 | 广西网冠电气有限公司 | A kind of test supply unit of three-phase electric energy meter false wiring |
| CN206804782U (en) * | 2017-06-13 | 2017-12-26 | 国网四川省电力公司成都供电公司 | A kind of family table wiring detecting system |
| CN108447360A (en) * | 2018-03-08 | 2018-08-24 | 广西网冠电气有限公司 | A kind of three-phase three-wire electric energy meter device for simulating false wiring |
| CN208207122U (en) * | 2018-05-29 | 2018-12-07 | 广州供电局有限公司 | polarity tester |
| CN110058188A (en) * | 2019-05-24 | 2019-07-26 | 国网江苏省电力有限公司镇江供电分公司 | The active detector of electric energy metering device |
| CN111060850A (en) * | 2019-12-02 | 2020-04-24 | 国网河南省电力公司漯河供电公司 | Novel cable alignment device |
| CN111487469A (en) * | 2020-06-04 | 2020-08-04 | 国网江苏省电力有限公司宿迁供电分公司 | Current transformer secondary circuit contact resistance live detection device |
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Application publication date: 20210302 |