CN103472286A - Electrical appliance abnormal voltage monitoring system - Google Patents
Electrical appliance abnormal voltage monitoring system Download PDFInfo
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- CN103472286A CN103472286A CN2013104573559A CN201310457355A CN103472286A CN 103472286 A CN103472286 A CN 103472286A CN 2013104573559 A CN2013104573559 A CN 2013104573559A CN 201310457355 A CN201310457355 A CN 201310457355A CN 103472286 A CN103472286 A CN 103472286A
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- voltage monitoring
- monitoring system
- abnormal voltage
- electrical appliance
- programmable logic
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Abstract
The invention discloses an electrical appliance abnormal voltage monitoring system. The electrical appliance abnormal voltage monitoring system comprises voltage transducers, electronic switches connected with the voltage transducers in series, signal regulators connected with the electronic switches in series, a multi-channel analog change-over switch connected with the signal regulators in series, a programmable logic controller and a supervisory control computer. The multi-channel analog change-over switch is electrically connected with the supervisory control computer. The programmable logic controller is electrically connected with the electronic switches. By the adoption of the mode, the electrical appliance abnormal voltage monitoring system can conduct accurate abnormal voltage monitoring on a working electrical appliance, the working electrical appliance can be effectively protected, the normal operation of electrical appliances is guaranteed, and the service life of the electrical appliances is prolonged.
Description
Technical field
The present invention relates to a kind of electrical equipment abnormal voltage monitoring system, in order to appliance working is carried out to the abnormal voltage monitoring.
Background technology
In some electrical works, if working current or voltage are crossed conference infringement electrical equipment, even security incident can occur, also affect appliance life.Therefore need to carry out the abnormal voltage monitoring and adjust in time and process appliance working, to ensure the normal operation of electrical equipment.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of electrical equipment abnormal voltage monitoring system; this electrical equipment abnormal voltage monitoring system can be carried out accurately abnormal voltage monitoring to appliance working; Protection electrical equipment effectively, ensure normal operation and the mission life of electrical equipment.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of electrical equipment abnormal voltage monitoring system is provided, it comprises voltage sensor, the electronic switch of connecting with described voltage sensor, the signal conditioner of connecting with described electronic switch, multi-channel analog switch, Programmable Logic Controller and the supervisory control comuter of connecting with described signal conditioner, be electrically connected between described multi-channel analog switch and described supervisory control comuter, be electrically connected between described Programmable Logic Controller and described electronic switch.
In a preferred embodiment of the present invention, the quantity of described voltage sensor, electronic switch and signal conditioner is at least two groups.
In a preferred embodiment of the present invention, described Programmable Logic Controller is built-in with storage chip.
The invention has the beneficial effects as follows: this electrical equipment abnormal voltage monitoring system can be carried out accurately the abnormal voltage monitoring to appliance working, and Protection electrical equipment effectively ensures normal operation and the mission life of electrical equipment.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation block diagram of electrical equipment abnormal voltage monitoring system of the present invention.
In figure, the mark of each parts is as follows: 1, working bus bar, 2, voltage sensor, 3, electronic switch, 4, signal conditioner, 5, the multi-channel analog switch, 6, Programmable Logic Controller, 7, supervisory control comuter.
Embodiment
Below will the technical scheme in the embodiment of the present invention be clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under the creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, electrical equipment abnormal voltage monitoring system of the present invention comprises voltage sensor 2, the electronic switch 3 of connecting with described voltage sensor 2, the signal conditioner 4 of connecting with described electronic switch 3, multi-channel analog switch 5, Programmable Logic Controller 6 and the supervisory control comuter 7 of connecting with described signal conditioner 4, be electrically connected between described multi-channel analog switch 5 and described supervisory control comuter 7, be electrically connected between described Programmable Logic Controller 6 and described electronic switch 3.
Preferably, the quantity of described voltage sensor 2, electronic switch 3 and signal conditioner 4 is at least two groups.
Further, the working bus bar electric current of appliance working is through voltage sensor 2 output signals, its output signal is processed by signal conditioner 4 and the signal after processing is transferred to multi-channel analog switch 5 after electronic switch 3, and multi-channel analog switch 5 carries out the signal mode conversion afterwards again and Programmable Logic Controller 6 carries out the signal intercommunication.Programmable Logic Controller 6 simultaneously by the signal feedback that receives to electronic switch 3, the working bus bar electric current is regulated, keep the bus working current stable.Programmable Logic Controller 6 is delivered to supervisory control comuter 7 by the signal received simultaneously, and supervisory control comuter 7 carries out monitoring display.
Preferably, described Programmable Logic Controller 6 is built-in with storage chip, can store program.
Be different from prior art, this electrical equipment abnormal voltage monitoring system of the present invention can be carried out accurately the abnormal voltage monitoring to appliance working, and Protection electrical equipment effectively ensures normal operation and the mission life of electrical equipment.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (3)
1. an electrical equipment abnormal voltage monitoring system, it is characterized in that: comprise voltage sensor, the electronic switch of connecting with described voltage sensor, the signal conditioner of connecting with described electronic switch, multi-channel analog switch, Programmable Logic Controller and the supervisory control comuter of connecting with described signal conditioner, be electrically connected between described multi-channel analog switch and described supervisory control comuter, be electrically connected between described Programmable Logic Controller and described electronic switch.
2. electrical equipment abnormal voltage monitoring system according to claim 1, is characterized in that, the quantity of described voltage sensor, electronic switch and signal conditioner is at least two groups.
3. electrical equipment abnormal voltage monitoring system according to claim 1, is characterized in that, described Programmable Logic Controller is built-in with storage chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104573559A CN103472286A (en) | 2013-09-30 | 2013-09-30 | Electrical appliance abnormal voltage monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104573559A CN103472286A (en) | 2013-09-30 | 2013-09-30 | Electrical appliance abnormal voltage monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103472286A true CN103472286A (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104573559A Pending CN103472286A (en) | 2013-09-30 | 2013-09-30 | Electrical appliance abnormal voltage monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103472286A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359609A (en) * | 2017-07-05 | 2017-11-17 | 许昌许继昌龙电能科技股份有限公司 | The monitoring method and device of abnormal voltage in power system |
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| CN201335858Y (en) * | 2008-12-12 | 2009-10-28 | 株洲科瑞变流电气有限公司 | High-power current-rectifying/sharing measuring device |
| CN102393510A (en) * | 2011-09-16 | 2012-03-28 | 福建俊豪电子有限公司 | Detection system for standing power supply |
| CN102393484A (en) * | 2011-08-31 | 2012-03-28 | 华东光电集成器件研究所 | Device for detecting stability of current |
| CN102621438A (en) * | 2011-01-17 | 2012-08-01 | 通用电气公司 | Methods and systems involving monitoring circuit connectivity |
| CN103326311A (en) * | 2013-05-15 | 2013-09-25 | 西北农林科技大学 | Portable direct-current monitoring protector |
-
2013
- 2013-09-30 CN CN2013104573559A patent/CN103472286A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335858Y (en) * | 2008-12-12 | 2009-10-28 | 株洲科瑞变流电气有限公司 | High-power current-rectifying/sharing measuring device |
| CN102621438A (en) * | 2011-01-17 | 2012-08-01 | 通用电气公司 | Methods and systems involving monitoring circuit connectivity |
| CN102393484A (en) * | 2011-08-31 | 2012-03-28 | 华东光电集成器件研究所 | Device for detecting stability of current |
| CN102393510A (en) * | 2011-09-16 | 2012-03-28 | 福建俊豪电子有限公司 | Detection system for standing power supply |
| CN103326311A (en) * | 2013-05-15 | 2013-09-25 | 西北农林科技大学 | Portable direct-current monitoring protector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359609A (en) * | 2017-07-05 | 2017-11-17 | 许昌许继昌龙电能科技股份有限公司 | The monitoring method and device of abnormal voltage in power system |
| CN107359609B (en) * | 2017-07-05 | 2018-06-05 | 许昌许继昌龙电能科技股份有限公司 | The monitoring method and device of abnormal voltage in electric system |
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Application publication date: 20131225 |