CN112271818A - Wireless intelligent electric energy meter tripping device - Google Patents
Wireless intelligent electric energy meter tripping device Download PDFInfo
- Publication number
- CN112271818A CN112271818A CN202011142995.7A CN202011142995A CN112271818A CN 112271818 A CN112271818 A CN 112271818A CN 202011142995 A CN202011142995 A CN 202011142995A CN 112271818 A CN112271818 A CN 112271818A
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- electric energy
- wireless
- meter
- energy meter
- relay
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- 238000002955 isolation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention discloses a wireless intelligent electric energy meter tripping device which comprises an electric energy meter and a meter rear switch, wherein a charge control port of the electric energy meter is connected with a wireless transmitting module, and a tripping control port of the meter rear switch is provided with a relay; the relay is connected to the front end of the meter rear switch and provides a voltage signal for a tripping component in the meter rear switch when the relay is closed; the relay is controlled to be switched on and off by a wireless receiving module, and the wireless receiving module is used for receiving the signal transmitted by the wireless transmitting module. The invention changes the trip small line into wireless connection control, and after the existing trip is changed into wireless connection, the invention is not limited by the installation environment of the installation site any more, thereby avoiding personal safety and other hidden troubles in the installation process.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a wireless intelligent electric energy meter tripping device.
Background
On the basis of the environment that the internet of things technology is mature continuously in the power development which is different day by day, the electric energy meter of a holder framework system with quite large storage capacity is used and updated continuously, the electric energy meter is used as the last port of power and is upgraded to an intelligent remote charge control type electric energy meter so far, all-weather 24-hour power load, power consumption, power factor and the like of power customers under jurisdiction are collected, classified and shared for statistics, one basic function is that the power customers can purchase power on the internet without enough time, a switch on the back of a user side automatically trips when the remaining amount of the electric energy meter is 0 yuan, and a tripping small line is arranged between the control switch and the electric energy meter. As shown in fig. 1 and 2, a conventional trip small wire outputs 220V voltage when balance exists in a user electric energy meter, and outputs 0V voltage when balance does not exist, the trip small wire is an insulated wire with a diameter of about 0.5-0.7 square millimeter, the diameter of the trip small wire is less than 1.2mm, the trip small wire is easily damaged by external force, and hidden troubles such as short circuit, injury and the like can occur.
The defects and shortcomings of the prior art are as follows:
1. the existing electric power users use intelligent remote cost control electric energy meters, and certain potential safety hazards and inconvenience are found when tripping small lines are installed in daily work;
2. the meter box is easy to be mistakenly bumped and fall off in an installation site, the meter switch is mistakenly tripped and a person injury event can be caused once the existing tripping small wire falls off, the meter box with centralized meter positions is messy, and the damage of the outer skin can occur for a long time to cause the electrification of the short-circuit tripping box body;
3. the installation site conditions of the electric energy meters are different, the length requirements of the tripping small wires are different, the length of the tripping small wires carried by an original box is equal when the switch is distributed by the same manufacturer, and the condition that the tripping small wires are too long or too short can occur during the site installation.
Disclosure of Invention
The invention aims to provide a wireless intelligent electric energy meter tripping device, which solves the potential safety hazard caused by the conventional tripping small wire in daily work.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wireless intelligent electric energy meter tripping device comprises an electric energy meter and a meter rear switch, wherein a charge control port of the electric energy meter is connected with a wireless transmitting module, and a tripping control port of the meter rear switch is provided with a relay; the relay is connected to the front end of the meter rear switch and provides a voltage signal for a tripping component in the meter rear switch when the relay is closed; the relay is controlled to be switched on and off by a wireless receiving module, and the wireless receiving module is used for receiving signals transmitted by the wireless transmitting module;
when the balance of the electric energy meter is zero, the wireless transmitting module arranged at the expense control port of the electric energy meter loses voltage and stops transmitting signals; the wireless receiving module at the switch end behind the meter can not receive the signal and controls the relay to be switched off; the tripping component in the rear switch can not receive the voltage signal, so that the rear switch is controlled to trip;
when a user successfully charges the electric energy meter, the wireless transmitting module installed at the charge control port of the electric energy meter is electrified, the wireless transmitting module automatically starts to continuously transmit signals, the wireless receiving module of the meter rear switch controls the relay to be closed after receiving the signals, the tripping component inside the meter rear switch receives the voltage signals and recovers the non-tripping state, and the meter rear switch is manually switched on and is successfully powered.
Furthermore, the wireless transmitting module is connected with the charge control port of the electric energy meter through a miniature isolation voltage reduction module.
Furthermore, the wireless receiving module is connected to a wire of the upper port of the meter rear switch through a miniature isolation voltage reduction module.
Further, the miniature isolated voltage reduction module has the dimensions of 24.5mm in length, 21.5mm in width and 17.5mm in height.
Further, the relay is 19mm in length, 15.2mm in width and 15mm in thickness.
Further, the wireless transmitting module has the dimensions of 19mm in length, 12mm in width and 2mm in thickness; the wireless receiving module is 19mm in length, 12mm in width and 2mm in thickness.
The invention has the following advantages:
1. the invention changes the trip small line into wireless connection control, and after the existing trip is changed into wireless connection, the invention is not limited by the installation environment of the installation site any more, thereby avoiding personal safety and other hidden troubles in the installation process.
2. The invention has successfully realized the wired connection of the trip small wire is improved into the tripping and closing test of the wireless connection through 100 times of quasi-field assembly. The intelligent remote fee-control type prepayment self-metering device can be applied to all prepayment intelligent remote fee-control type electric energy meters in the national power grid range and prepayment self-metering meters under master meters of self-service electric consumers, is safe and accurate, avoids hidden dangers, and is simple in installation circuit, small in size, low in manufacturing cost
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 prior art non-tripped operation when the electric energy meter is energized and the trip wire is energized;
FIG. 2 is a schematic diagram of a prior art trip operation when the balance of the electric energy meter is zero and the trip wire is de-energized;
fig. 3 is a schematic diagram of the trip device according to the embodiment of the present invention, when the trip device is not tripped, the electric energy meter is powered and the wireless transmitter transmits a signal;
fig. 4 is a schematic diagram illustrating the operation of the trip device according to the embodiment of the present invention when the balance of the electric energy meter is zero and the wireless transmitter stops transmitting signals;
fig. 5 is a schematic wiring diagram of the present invention.
Wherein: the electric energy meter comprises an electric energy meter 1, a meter 2 rear switch, a trip 3 small line, a wireless transmitting module 4, a wireless receiving module 5, a relay 6 and a miniature isolation voltage reduction module 7.
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. 3 to 5, an embodiment of the present invention provides a wireless intelligent electric energy meter trip device, in which an electrified wired connection between an electric energy meter 1 and a meter rear switch 2 is changed into a wireless connection; the wireless intelligent electric energy meter tripping device comprises an electric energy meter 1 and a meter rear switch 2, wherein a charge control port of the electric energy meter 1 is connected with a wireless transmitting module 4 through a micro isolation voltage-reducing module 7, and a tripping control port of the meter rear switch 2 is provided with a relay 6; the relay 6 is connected to the front end of the meter rear switch 2, and when the relay 6 is closed, a voltage signal is provided for a tripping component in the meter rear switch 2; the relay 6 is controlled to be switched on and off by a wireless receiving module 5, the wireless receiving module 5 is connected to an upper port lead of the meter rear switch 2 through a micro isolation voltage reduction module 7, and the wireless receiving module 5 is used for receiving signals transmitted by the wireless transmitting module 4; the electric energy meter 1 is an intelligent electric energy meter which is universal for national network, and the model is a DDZY566C-Z single-item fee-control intelligent electric energy meter; the switch at the back of the watch is universal for national network and has the model number of MM 10S-80. The relay 6 is of the type HF49FD-012-1H 11.
When the balance of the electric energy meter 1 is zero, the wireless transmitting module 4 installed at the charge control port of the electric energy meter 1 loses voltage and stops transmitting signals; the wireless receiving module 5 at the end of the meter rear switch 2 can not receive the signal and controls the relay 6 to be switched off; the tripping component in the rear switch 2 can not receive the voltage signal, so that the rear switch 2 is controlled to trip;
when a user successfully charges the electric energy meter 1, the wireless transmitting module 4 installed at the fee control port of the electric energy meter 1 is electrified, the wireless transmitting module 4 is automatically started to continuously transmit signals, the wireless receiving module 5 of the meter rear switch 2 receives the signals and then controls the relay 6 to be closed, the tripping component inside the meter rear switch 2 receives the voltage signals and restores the non-tripping state, and the meter rear switch 2 is manually switched on and successfully powered.
The wireless transmitting module 4 and the wireless receiving module 5 are a set of wireless transceiving radio frequency modules; the radio frequency module for wireless transceiving is an EV1527 transmitting and receiving module. The wireless transmitting module 4 and the wireless receiving module 5 have the same size, the length is 19mm, the width is 12mm, the thickness is 2mm, and the working temperature is-20 ℃ to +50 ℃; the wireless transmitting module 4 and the wireless receiving module 5 are in a power-on normal state. The wireless transceiving radio frequency module is an anti-interference communication module, the anti-interference communication module is tested by a pulse electrostatic interferometer, and high and low temperature tests can work normally without being interfered by external signals in different environments. The miniature isolation voltage reduction module 7 is an AC/DC power supply conversion module, the model is PM12-220V/12V/3w, 220V voltage is converted into 12V, and the working temperature is-20 ℃ to +50 ℃; the dimensions are 24.5mm in length, 21.5mm in width and 17.5mm in height. The relay 6 is a movable relay, the length is 19mm, the width is 15.2mm, the thickness is 15mm, and the working temperature is-40 ℃ to +70 ℃.
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 (6)
1. A wireless intelligent electric energy meter tripping device is characterized by comprising an electric energy meter and a meter rear switch, wherein a fee control port of the electric energy meter is connected with a wireless transmitting module, and a tripping control port of the meter rear switch is provided with a relay; the relay is connected to the front end of the meter rear switch and provides a voltage signal for a tripping component in the meter rear switch when the relay is closed; the relay is controlled to be switched on and off by a wireless receiving module, and the wireless receiving module is used for receiving signals transmitted by the wireless transmitting module;
when the balance of the electric energy meter is zero, the wireless transmitting module arranged at the expense control port of the electric energy meter loses voltage and stops transmitting signals; the wireless receiving module at the switch end behind the meter can not receive the signal and controls the relay to be switched off; the tripping component in the rear switch can not receive the voltage signal, so that the rear switch is controlled to trip;
when a user successfully charges the electric energy meter, the wireless transmitting module installed at the charge control port of the electric energy meter is electrified, the wireless transmitting module automatically starts to continuously transmit signals, the wireless receiving module of the meter rear switch controls the relay to be closed after receiving the signals, the tripping component inside the meter rear switch receives the voltage signals and recovers the non-tripping state, and the meter rear switch is manually switched on and is successfully powered.
2. The wireless intelligent electric energy meter tripping device of claim 1, wherein the wireless transmitting module is connected to the fee control port of the electric energy meter through a miniature isolated voltage step-down module.
3. The wireless intelligent electric energy meter tripping device of claim 1, wherein the wireless receiving module is connected to a wire at the upper port of the meter back switch through a miniature isolation voltage reduction module.
4. The wireless intelligent electric energy meter trip unit of claim 1, wherein the miniature isolated voltage step-down module is sized to be 24.5mm in length, 21.5mm in width, and 17.5mm in height.
5. The wireless intelligent electric energy meter trip unit of claim 1, wherein the relay is 19mm long, 15.2mm wide, and 15mm thick.
6. The wireless intelligent electric energy meter trip unit according to claim 1, wherein the wireless transmission module dimensions are 19mm in length, 12mm in width, 2mm in thickness; the wireless receiving module is 19mm in length, 12mm in width and 2mm in thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142995.7A CN112271818A (en) | 2020-10-22 | 2020-10-22 | Wireless intelligent electric energy meter tripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142995.7A CN112271818A (en) | 2020-10-22 | 2020-10-22 | Wireless intelligent electric energy meter tripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112271818A true CN112271818A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011142995.7A Pending CN112271818A (en) | 2020-10-22 | 2020-10-22 | Wireless intelligent electric energy meter tripping device |
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| Country | Link |
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| CN (1) | CN112271818A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203759853U (en) * | 2013-12-31 | 2014-08-06 | 国网宁夏电力公司固原供电公司 | Trip signal wireless transceiving device of cost-controlled intelligent electric energy meter |
| CN104391173A (en) * | 2014-12-08 | 2015-03-04 | 国网宁夏电力公司固原供电公司 | Jump-out type expenditure-controlled intelligent electric energy meter system and jump-out type expenditure-controlled intelligent electric energy meter |
| CN206161710U (en) * | 2016-10-24 | 2017-05-10 | 国网吉林省电力有限公司四平供电公司 | Long -range surreptitiously electric inspection system reaches steals electric inspection appearance |
| CN207051383U (en) * | 2017-07-07 | 2018-02-27 | 南京大全自动化科技有限公司 | A kind of intelligent apparatus for avoiding electricity fraudulent |
| CN109298222A (en) * | 2018-11-21 | 2019-02-01 | 许昌市长江高压计量设备有限公司 | A kind of intelligence controls electricity anti-theft system more |
| CN210120060U (en) * | 2019-03-07 | 2020-02-28 | 中国电力科学研究院有限公司 | External circuit breaker structure of electric energy meter with wireless communication |
-
2020
- 2020-10-22 CN CN202011142995.7A patent/CN112271818A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203759853U (en) * | 2013-12-31 | 2014-08-06 | 国网宁夏电力公司固原供电公司 | Trip signal wireless transceiving device of cost-controlled intelligent electric energy meter |
| CN104391173A (en) * | 2014-12-08 | 2015-03-04 | 国网宁夏电力公司固原供电公司 | Jump-out type expenditure-controlled intelligent electric energy meter system and jump-out type expenditure-controlled intelligent electric energy meter |
| CN206161710U (en) * | 2016-10-24 | 2017-05-10 | 国网吉林省电力有限公司四平供电公司 | Long -range surreptitiously electric inspection system reaches steals electric inspection appearance |
| CN207051383U (en) * | 2017-07-07 | 2018-02-27 | 南京大全自动化科技有限公司 | A kind of intelligent apparatus for avoiding electricity fraudulent |
| CN109298222A (en) * | 2018-11-21 | 2019-02-01 | 许昌市长江高压计量设备有限公司 | A kind of intelligence controls electricity anti-theft system more |
| CN210120060U (en) * | 2019-03-07 | 2020-02-28 | 中国电力科学研究院有限公司 | External circuit breaker structure of electric energy meter with wireless communication |
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Application publication date: 20210126 |
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| RJ01 | Rejection of invention patent application after publication |