CN204989299U - Overvoltage monitor - Google Patents
Overvoltage monitor Download PDFInfo
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- CN204989299U CN204989299U CN201520390387.6U CN201520390387U CN204989299U CN 204989299 U CN204989299 U CN 204989299U CN 201520390387 U CN201520390387 U CN 201520390387U CN 204989299 U CN204989299 U CN 204989299U
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- processing module
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Abstract
The utility model provides an overvoltage monitor, include: signal detection module, signal processing module, CPU controller, communication module, input keyboard and display module, signal detection module with set up optical coupling isolator between the signal processing module, the CPU controller is connected to signal processing module's output, the keyboard with the input of CPU controller is connected, the display module with the output of CPU controller is connected, the CPU controller with communication module connects. The utility model discloses a carrying out optoelectronic isolation to gathering the signal, carrying out filtering through signal processing module to the signal of gathering and handle in sending into the CPU controller, set for the parameter through input keyboard, the testing result after the CPU controller will be handled is passed through the display module and is shown, transmit data through communication module simultaneously, the backstage surveillance center of being convenient for monitors, and simple structure can realize wireless data transmission, and the real -time is good.
Description
Technical field
The utility model relates to overvoltage crowbar protection field, is specifically related to a kind of over-voltage monitoring instrument.
Background technology
In electric system, superpotential is mainly divided into following several types: atmospheric over-voltage, power-frequency overvoltage, switching overvoltage, resonance overvoltage.The superpotential of certain amplitude also must can be born while the insulation withstand long term exposure of power equipment operating voltage, such guarantee power system security runs reliably, understand various superpotential cause, type, feature and harm electric system is taken measures to be limited in advance, the prerequisite determining that power system insulation coordinates, for electrical equipment manufacture and Operation of Electric Systems all significant.
Summary of the invention
The utility model proposes a kind of over-voltage monitoring instrument.
The technical scheme that the utility model provides is: a kind of over-voltage monitoring instrument, comprise: signal detection module, signal processing module, cpu controller, communication module, input keyboard and display module, between described signal detection module and described signal processing module, optical coupling isolator is set, the output terminal of described signal processing module connects cpu controller, described keyboard is connected with the input end of described cpu controller, described display module is connected with the output terminal of described cpu controller, and described cpu controller is connected with described communication module.
Further, described cpu controller also arranges watchdog circuit and clock circuit.
Further, described communication module comprises RS485 interface and wireless communication interface.
Further, described display module is LED charactron.
The beneficial effects of the utility model are: the utility model is by carrying out Phototube Coupling to collection signal, carry out filtering by signal processing module to the signal gathered to be sent in cpu controller and to process, by input keyboard, parameter is set, testing result after process is shown by display module by cpu controller, data transmitted by communication module, be convenient to background monitoring center and monitor, structure is simple simultaneously, can realize Wireless Data Transmission, real-time is good.
Accompanying drawing explanation
Fig. 1 is a kind of over-voltage monitoring instrument structural drawing that the utility model proposes.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
See Fig. 1, it is a kind of over-voltage monitoring instrument structural drawing that the utility model proposes.
As shown in Figure 1, a kind of over-voltage monitoring instrument, comprise: signal detection module, signal processing module, cpu controller, communication module, input keyboard and display module, between described signal detection module and described signal processing module, optical coupling isolator is set, the output terminal of described signal processing module connects cpu controller, described keyboard is connected with the input end of described cpu controller, described display module is connected with the output terminal of described cpu controller, and described cpu controller is connected with described communication module.
In the utility model embodiment, by carrying out Phototube Coupling to collection signal, carry out filtering by signal processing module to the signal gathered to be sent in cpu controller and to process, by input keyboard, parameter is set, testing result after process is shown by display module by cpu controller, by communication module, data are transmitted simultaneously, be convenient to background monitoring center and monitor.
Further, described cpu controller also arranges watchdog circuit and clock circuit.By arranging house dog and clock circuit, system being protected, realizing processing in real time, accurate record being carried out to data, by clock circuit, the time is adjusted.
Further, described communication module adopts RS485 interface and wireless communication interface.In the utility model embodiment, cpu controller arranges RS485 interface and can be sent in host computer by data line by the data that monitor detects, and can also realize radio communication, be convenient to remote monitoring by wireless communication interface and host computer.
Further, described display module is LED charactron.In the utility model embodiment, adopt LED charactron to carry out Dynamic data display, structure is simple, is convenient to identify.
Above the utility model is described in detail, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (4)
1. an over-voltage monitoring instrument, it is characterized in that, comprise: signal detection module, signal processing module, cpu controller, communication module, input keyboard and display module, between described signal detection module and described signal processing module, optical coupling isolator is set, the output terminal of described signal processing module connects cpu controller, described keyboard is connected with the input end of described cpu controller, described display module is connected with the output terminal of described cpu controller, and described cpu controller is connected with described communication module.
2. a kind of over-voltage monitoring instrument according to claim 1, is characterized in that: described cpu controller also arranges watchdog circuit and clock circuit.
3. a kind of over-voltage monitoring instrument according to claim 1, is characterized in that: described communication module comprises RS485 interface and wireless communication interface.
4. a kind of over-voltage monitoring instrument according to claim 1, is characterized in that: described display module is LED charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390387.6U CN204989299U (en) | 2015-06-06 | 2015-06-06 | Overvoltage monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390387.6U CN204989299U (en) | 2015-06-06 | 2015-06-06 | Overvoltage monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204989299U true CN204989299U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520390387.6U Expired - Fee Related CN204989299U (en) | 2015-06-06 | 2015-06-06 | Overvoltage monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204989299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771473A (en) * | 2015-11-24 | 2017-05-31 | 合肥亚飞电力设备有限公司 | A kind of voltage monitoring instrument |
| CN107356808A (en) * | 2017-08-29 | 2017-11-17 | 安徽三和电力技术有限公司 | The overvoltage on-line monitoring system of common-path interference |
-
2015
- 2015-06-06 CN CN201520390387.6U patent/CN204989299U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771473A (en) * | 2015-11-24 | 2017-05-31 | 合肥亚飞电力设备有限公司 | A kind of voltage monitoring instrument |
| CN107356808A (en) * | 2017-08-29 | 2017-11-17 | 安徽三和电力技术有限公司 | The overvoltage on-line monitoring system of common-path interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170606 |