CN105717346A - Monitor for voltage of equipment - Google Patents
Monitor for voltage of equipment Download PDFInfo
- Publication number
- CN105717346A CN105717346A CN201610265570.2A CN201610265570A CN105717346A CN 105717346 A CN105717346 A CN 105717346A CN 201610265570 A CN201610265570 A CN 201610265570A CN 105717346 A CN105717346 A CN 105717346A
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- China
- Prior art keywords
- voltage
- phase voltage
- gprs
- circuit
- micropower wireless
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention relates to a monitor for the voltage of equipment. The monitor comprises two parts, namely a wireless voltage-measuring sensor and a data recorder, wherein the inner part of the wireless voltage-measuring sensor comprises a three-phase voltage-measuring circuit, a high-performance microprocessor and a micro-power wireless transmitting and receiving circuit; and the data recorder comprises a micro-power wireless transmitting and receiving circuit, a high-performance microprocessor and a GPRS (General Packet Radio Service) transmitting and receiving circuit. The monitor provided by the invention is arranged at the low-voltage side of a transformer, can be used for measuring, acquiring and processing the actual voltage at the low-voltage side of the transformer and storing three-phase voltage data of customers, and sends the three-phase voltage data to a recorder by a micropower wireless channel; and the data recorder can forward the data to a master station of an electricity-consumption information acquisition system, an external independent system or mobile phones of professional managers in the form of GPRS or GSM short messages. Whether the secondary circuit fault in metering can be judged by comparing the actual voltage at the secondary side of the transformer with the metered voltage.
Description
Technical field
The invention belongs to energy monitoring apparatus field, relate to automatic technology, specifically a kind of equipment voltage monitoring instrument.
Background technology
It is the most frequent maintenance work be engaged in of dress table field force that metering device fault place lacks, and decompression and voltage phase shortage are two kinds of most commonly seen fault types, the important indicator of Ye Shi company inspection monitoring.For three-phase and four-line electric energy meter, along with the successful Application of power information acquisition system, it is possible to achieve the voltage condition of electric energy meter is monitored；But power information acquisition system is reaction table meter builtin voltage only, cannot be carried out comparison with step down side virtual voltage situation.Staff reports to the police to reach the spot often through acquisition system decompression and is the discovery that owing to user's power receiving equipment problem causes, unrelated with table meter secondary circuit, does not affect metering, thus causing staff to come back after a vain attempt.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of equipment voltage monitoring instrument to the measurement of step down side voltage, collection, process, storage and transmitting-receiving.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
A kind of equipment voltage monitoring instrument, it is made up of wireless voltage measurement sensor and data logger two parts, wherein wireless voltage measurement sensor internal includes three-phase voltage measuring circuit, high-performance microprocessor and micropower wireless transceiver circuit, data logger includes micropower wireless transceiver circuit, high-performance microprocessor and GPRS transmission circuit, the input of the high-performance microprocessor of wireless voltage measurement sensor connects three-phase voltage measuring circuit, the outfan of the high-performance microprocessor of wireless voltage measurement sensor connects micropower wireless transceiver circuit, the input of the high-performance microprocessor of data logger connects micropower wireless transceiver circuit, the outfan of the high-performance microprocessor of data logger connects GPRS transmission circuit, the using method of described equipment voltage monitoring instrument is:
Wireless voltage measurement sensor records after magnitude of voltage by micropower Wireless transceiver to data logger, and monitor GPRS or GSM message mode can be forwarded to data in power information acquisition system main website, outside autonomous system or managerial personnel's mobile phone.
And, described high-performance microprocessor all adopts the ARM control chip of ST Microelectronics.
And, described data logger is aluminium section bar instrument square shell, this shell is provided with power supply wiring port, micropower wireless receiving end antenna and GPRS antenna, it is also equipped with run indicator, GPRS network display lamp, run indicator is attempted by the connection line connecing power output end in power supply wiring port, GPRS network display lamp is attempted by GPRS antenna conducting circuit, micropower wireless transceiver circuit in micropower wireless receiving end antenna connected with outer casing, shell is provided with a SIM card slot, for GPRS or gsm communication.
And, described wireless voltage measurement sensor is square ABS engineering plastics shell, shell is installed micropower wireless output antenna, for realizing information transmit-receive with micropower wireless receiving end antenna, micropower wireless output antenna passes through micropower wireless transceiver circuit and high-performance microprocessor, shell is provided with A phase voltage measure locking folder, B phase voltage measure locking folder, C phase voltage measure locking folder and zero line measure locking folder, be used for gathering each phase line data and being connected with three-phase voltage measuring circuit.
And, measure locking folder in described A phase voltage, B phase voltage measures locking folder, C phase voltage measures locking folder and zero line is measured and is set with wire flexible shroud on the wire that locking folder is used.
And, described three-phase voltage measuring circuit is provided with protective tube.
The positive effect of the present invention and advantage be:
1, equipment voltage monitoring instrument provided by the invention is arranged on step down side, to the actual low-pressure side voltage measurement of transformator, collection, process and storage client's three-phase voltage data, and through micropower wireless channel, three-phase voltage data can be sent to data logger.Data logger GPRS or GSM message mode can be forwarded to data in power information acquisition system main website, outside autonomous system or managerial personnel's mobile phone.Compared by real transformer secondary side voltage and table meter voltage, it can be determined that whether be table meter secondary circuit failure.
2, the present invention can the unusual condition in round-the-clock monitoring metered voltage loop, have and abnormal notify that professional processes immediately, make work change from passive to active, it is possible to unit in charge of construction's site operation quality is carried out effectively control in inside, and efficiency significantly improves.After application, can carry out just property inspection, place being lacked for particular problem user, improve work efficiency.
3, present invention eliminates the working link of present live line measurement voltage, positive role is had to reducing site safety operating risk, the work on hand mode of power supply enterprise place shortage of staff person can be changed after the application present invention, scene need not be gone to can remotely to understand practical situation, avoid the sky caused because of user's self reason and run phenomenon, save substantial amounts of human and material resources for power supply enterprise.Every equipment can save more than 30 ten thousand yuan for enterprise every year.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the wireless voltage measurement sensor in the present invention；
Fig. 2 is the circuit block diagram of the data logger in the present invention；
Fig. 3 is the shell layout structure schematic diagram of the data logger in the present invention；
Fig. 4 is the shell layout structure schematic diagram of the wireless voltage measurement sensor in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention process being further described, following example are illustrative, are not determinate, it is impossible to limit protection scope of the present invention with this.
A kind of equipment voltage monitoring instrument, it is made up of wireless voltage measurement sensor and data logger two parts, wherein wireless voltage measurement sensor internal includes three-phase voltage measuring circuit, high-performance microprocessor and micropower wireless transceiver circuit, and data logger includes micropower wireless transceiver circuit, high-performance microprocessor and GPRS transmission circuit.
The input of the high-performance microprocessor of wireless voltage measurement sensor connects three-phase voltage measuring circuit, the outfan of the high-performance microprocessor of wireless voltage measurement sensor connects micropower wireless transceiver circuit, the input of the high-performance microprocessor of data logger connects micropower wireless transceiver circuit, and the outfan of the high-performance microprocessor of data logger connects GPRS transmission circuit.
When actually used, wireless voltage measurement sensor records after magnitude of voltage by micropower Wireless transceiver to data logger, and monitor GPRS or GSM message mode can be forwarded to data in power information acquisition system main website, outside autonomous system or managerial personnel's mobile phone.
First have to exploitation and gather the Acquisition Circuit of exchange 0～500V range voltage signal, application ST Microelectronics high-performance low-power-consumption ARM control chip STM32F103RET6 adds high-acruracy survey components and parts resistance, electric capacity ensures certainty of measurement, and equipment adopts Large Copacity rechargeable battery to obtain working power with sensing power taking two ways.When being had electricity by slowdown monitoring switch place, sense power taking, measure and communication function with battery guarantee of powering during the full decompression of three-phase.Second to develop wireless data interface circuit for receiving and dispatching, with data logger or main station system, the voltage data measured.
Data logger is aluminium section bar instrument square shell, see Fig. 3, shell is provided with power supply wiring port 1, micropower wireless receiving end antenna 7 and GPRS antenna 6, it is also equipped with run indicator 4, GPRS network display lamp 5, run indicator is attempted by the connection line connecing power output end in power supply wiring port, GPRS network display lamp is attempted by GPRS antenna conducting circuit, micropower wireless transceiver circuit in micropower wireless receiving end antenna connected with outer casing, shell is provided with a SIM card slot, for GPRS or gsm communication.
Wireless voltage measurement sensor is square ABS engineering plastics shell 15, see Fig. 4, shell is installed micropower wireless output antenna 8, for realizing information transmit-receive with micropower wireless receiving end antenna, micropower wireless output antenna passes through micropower wireless transceiver circuit and high-performance microprocessor, shell is provided with A phase voltage and measures locking folder 11, B phase voltage measures locking folder 12, C phase voltage measures locking folder 13 and zero line measures locking folder 14, for gathering each phase line data and being connected with three-phase voltage measuring circuit, locking folder is measured in A phase voltage, B phase voltage measures locking folder, C phase voltage measures locking folder and zero line is measured and is set with wire flexible shroud 10 on the wire that locking folder is used.
Three-phase voltage measuring circuit is provided with protective tube 9, it is to avoid transient current is excessive, each parts are caused damage.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope without departing from the present invention and claims, various replacements, to change and modifications be all possible, therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (6)
1. an equipment voltage monitoring instrument, it is characterized in that: be made up of wireless voltage measurement sensor and data logger two parts, wherein wireless voltage measurement sensor internal includes three-phase voltage measuring circuit, high-performance microprocessor and micropower wireless transceiver circuit, data logger includes micropower wireless transceiver circuit, high-performance microprocessor and GPRS transmission circuit, the input of the high-performance microprocessor of wireless voltage measurement sensor connects three-phase voltage measuring circuit, the outfan of the high-performance microprocessor of wireless voltage measurement sensor connects micropower wireless transceiver circuit, the input of the high-performance microprocessor of data logger connects micropower wireless transceiver circuit, the outfan of the high-performance microprocessor of data logger connects GPRS transmission circuit, the using method of described equipment voltage monitoring instrument is:
Wireless voltage measurement sensor records after magnitude of voltage by micropower Wireless transceiver to data logger, and monitor GPRS or GSM message mode can be forwarded to data in power information acquisition system main website, outside autonomous system or managerial personnel's mobile phone.
2. equipment voltage monitoring instrument according to claim 1, it is characterised in that: described high-performance microprocessor adopts the ARM control chip of ST Microelectronics.
3. equipment voltage monitoring instrument according to claim 1, it is characterized in that: described data logger is aluminium section bar instrument square shell, this shell is provided with power supply wiring port, micropower wireless receiving end antenna and GPRS antenna, it is also equipped with run indicator, GPRS network display lamp, run indicator is attempted by the connection line connecing power output end in power supply wiring port, GPRS network display lamp is attempted by GPRS antenna conducting circuit, micropower wireless transceiver circuit in micropower wireless receiving end antenna connected with outer casing, shell is provided with a SIM card slot, for GPRS or gsm communication.
4. equipment voltage monitoring instrument according to claim 1, it is characterized in that: described wireless voltage measurement sensor is square ABS engineering plastics shell, shell is installed micropower wireless output antenna, for realizing information transmit-receive with micropower wireless receiving end antenna, micropower wireless output antenna passes through micropower wireless transceiver circuit and high-performance microprocessor, shell is provided with A phase voltage and measures locking folder, B phase voltage measures locking folder, C phase voltage measures locking folder and zero line measures locking folder, for gathering each phase line data and being connected with three-phase voltage measuring circuit.
5. equipment voltage monitoring instrument according to claim 4, it is characterised in that: measure locking folder in described A phase voltage, B phase voltage measures locking folder, C phase voltage measures locking folder and zero line is measured and is set with wire flexible shroud on the wire that locking folder is used.
6. equipment voltage monitoring instrument according to claim 5, it is characterised in that: described three-phase voltage measuring circuit is provided with protective tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265570.2A CN105717346A (en) | 2016-04-25 | 2016-04-25 | Monitor for voltage of equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265570.2A CN105717346A (en) | 2016-04-25 | 2016-04-25 | Monitor for voltage of equipment |
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| Publication Number | Publication Date |
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| CN105717346A true CN105717346A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265570.2A Pending CN105717346A (en) | 2016-04-25 | 2016-04-25 | Monitor for voltage of equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872762A (en) * | 2017-04-14 | 2017-06-20 | 云南电网有限责任公司电力科学研究院 | A kind of board supply voltage on-line monitoring system |
| CN109444477A (en) * | 2018-06-14 | 2019-03-08 | 国网浙江省电力有限公司丽水供电公司 | A kind of voltage tester box and its crocodile clip |
Citations (9)
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| CN201323472Y (en) * | 2008-12-19 | 2009-10-07 | 潍坊北大青鸟华光通信技术有限公司 | Distribution transformer monitoring device |
| CN201365142Y (en) * | 2009-01-24 | 2009-12-16 | 北京清电华力电气自动化科技有限公司 | Distribution transformer monitoring terminal with high reliability |
| CN103698590A (en) * | 2013-12-02 | 2014-04-02 | 国家电网公司 | Real-time voltage monitor device of 10KV power distribution network |
| CN103887887A (en) * | 2014-04-15 | 2014-06-25 | 国家电网公司 | Intelligent low-voltage distribution network voltage-loss outage alarming terminal |
| CN104502735A (en) * | 2014-12-17 | 2015-04-08 | 国家电网公司 | Three-phase unbalance monitoring system for low-voltage power distribution cabinet |
| CN204374309U (en) * | 2014-12-17 | 2015-06-03 | 国家电网公司 | A kind of three-phase imbalance monitoring system being applicable to low-voltage distribution cabinet |
| CN204595109U (en) * | 2015-03-11 | 2015-08-26 | 国网浙江海盐县供电公司 | The transformer online monitoring device of distribution line |
| CN105092936A (en) * | 2015-08-24 | 2015-11-25 | 国网天津市电力公司 | Equipment voltage monitoring instrument |
| CN105319450A (en) * | 2015-10-28 | 2016-02-10 | 国家电网公司 | Power transformer open-phase and overload monitoring alarm device |
-
2016
- 2016-04-25 CN CN201610265570.2A patent/CN105717346A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323472Y (en) * | 2008-12-19 | 2009-10-07 | 潍坊北大青鸟华光通信技术有限公司 | Distribution transformer monitoring device |
| CN201365142Y (en) * | 2009-01-24 | 2009-12-16 | 北京清电华力电气自动化科技有限公司 | Distribution transformer monitoring terminal with high reliability |
| CN103698590A (en) * | 2013-12-02 | 2014-04-02 | 国家电网公司 | Real-time voltage monitor device of 10KV power distribution network |
| CN103887887A (en) * | 2014-04-15 | 2014-06-25 | 国家电网公司 | Intelligent low-voltage distribution network voltage-loss outage alarming terminal |
| CN104502735A (en) * | 2014-12-17 | 2015-04-08 | 国家电网公司 | Three-phase unbalance monitoring system for low-voltage power distribution cabinet |
| CN204374309U (en) * | 2014-12-17 | 2015-06-03 | 国家电网公司 | A kind of three-phase imbalance monitoring system being applicable to low-voltage distribution cabinet |
| CN204595109U (en) * | 2015-03-11 | 2015-08-26 | 国网浙江海盐县供电公司 | The transformer online monitoring device of distribution line |
| CN105092936A (en) * | 2015-08-24 | 2015-11-25 | 国网天津市电力公司 | Equipment voltage monitoring instrument |
| CN105319450A (en) * | 2015-10-28 | 2016-02-10 | 国家电网公司 | Power transformer open-phase and overload monitoring alarm device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872762A (en) * | 2017-04-14 | 2017-06-20 | 云南电网有限责任公司电力科学研究院 | A kind of board supply voltage on-line monitoring system |
| CN109444477A (en) * | 2018-06-14 | 2019-03-08 | 国网浙江省电力有限公司丽水供电公司 | A kind of voltage tester box and its crocodile clip |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
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| RJ01 | Rejection of invention patent application after publication |