CN204706888U - A kind of overvoltage protection with circuit checker - Google Patents
A kind of overvoltage protection with circuit checker Download PDFInfo
- Publication number
- CN204706888U CN204706888U CN201520370881.6U CN201520370881U CN204706888U CN 204706888 U CN204706888 U CN 204706888U CN 201520370881 U CN201520370881 U CN 201520370881U CN 204706888 U CN204706888 U CN 204706888U
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- electrode
- resistance
- gap
- circuit
- overvoltage protection
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- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000015556 catabolic process Effects 0.000 claims abstract description 8
- 238000010891 electric arc Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 5
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000931705 Cicada Species 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of overvoltage protection with circuit checker, comprise the first electrode, second electrode, be present in the air breakdown gap between two electrodes and containment vessel, the first described motor and the second electrode are positioned at containment vessel, therebetween gap is provided with, when described gap igniting, produce electric arc between the first electrode and the second electrode, in gap, be provided with detect resistance and piezo-resistance in parallel with air breakdown gap, the beneficial effects of the utility model are: structure is simple, easy to use, utilize the detection resistance in parallel with between electrode, voltage between real-time detection motor, and compare with the magnitude of voltage of preset range, judge whether overvoltage, when exceeding or lower than preset value, described single-chip microcomputer according to circumstances can adjust the resistance of piezo-resistance, and then whole circuit is protected, be located at memory simultaneously, record can be carried out to the change in voltage situation in a period of time, conveniently consult.
Description
Technical field
The utility model relates to overvoltage protective device technical field, particularly relates to a kind of overvoltage protection with circuit checker.
Background technology
From 2003, after a large amount of ac arc furnace pours in Guizhou Power Grid, because these ac arc furnace loads do not install corresponding filter apparatus and the corresponding reactive power compensator of configuration additional according to national standard, the harmonic injection electrical network that exceeds standard in a large number produced when causing arc furnace to work, severe contamination is caused to electrical network, frequent initiation overvoltage (this overvoltage may be relatively, also may be alternate), causes electrical network to be short-circuited or device damage accident.The overvoltage protection performance of existing lightning arrester similarity is poor, can not meet instructions for use.
Utility model content
For solving the problems of the technologies described above; the utility model provides a kind of overvoltage protection with circuit checker; structure is simple; easy to use; utilize the detection resistance in parallel with between electrode; voltage between real-time detection motor; and compare with the magnitude of voltage of preset range; judge whether overvoltage, when exceeding or lower than preset value, described single-chip microcomputer according to circumstances can adjust the resistance of piezo-resistance; and then whole circuit is protected; be located at memory simultaneously, record can be carried out to the change in voltage situation in a period of time, conveniently consult.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of overvoltage protection with circuit checker, comprise the first electrode, second electrode, be present in the air breakdown gap between two electrodes and containment vessel, the first described electrode and the second electrode are positioned at containment vessel, containment vessel is square, first electrode and the second electrode lay respectively at the both sides up and down of containment vessel, therebetween gap is provided with, when described gap igniting, produce electric arc between the first electrode and the second electrode, in gap, be provided with detect resistance and piezo-resistance in parallel with air breakdown gap.
As the preferred embodiment of this programme, described detection resistance is positioned within discharge space, and described detection resistance two ends are provided with electric pressure converter, and electric pressure converter is connected with voltmeter.
As the preferred embodiment of this programme, described voltmeter is connected with voltage signal receiver, and described voltage signal receiver is connected with decision circuitry.
As the preferred embodiment of this programme, described decision circuitry is connected with preinstalled circuit, is provided with the voltage range in prescribed limit in described preinstalled circuit.
As the preferred embodiment of this programme, described decision circuitry is connected with single-chip microcomputer, single-chip microcomputer lower end and voltage regulator circuit, and voltage regulator circuit is connected with described piezo-resistance, and described piezo-resistance magnitude of voltage under the effect of single-chip microcomputer can change.
As the preferred embodiment of this programme, described single-chip microcomputer is connected with memory.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
Structure is simple; easy to use, utilize the detection resistance in parallel with between electrode, detect the voltage between motor in real time; and compare with the magnitude of voltage of preset range; judge whether overvoltage, when exceeding or lower than preset value, described single-chip microcomputer according to circumstances can adjust the resistance of piezo-resistance; and then whole circuit is protected; be located at memory simultaneously, record can be carried out to the change in voltage situation in a period of time, conveniently consult.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the embodiment of the present application one.
In figure, the 1, first electrode, the 2, second electrode; 3, gap, 4, containment vessel, 5, detect resistance; 6, voltage converter, 7, voltage signal receiver, 8, decision circuitry; 9, preinstalled circuit; 10, single-chip microcomputer, 11, memory, 12, voltage regulator circuit; 13, piezo-resistance, 14, voltmeter.
Embodiment
In order to better understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.
Embodiment one:
In embodiment one, as Fig. 1 provides a kind of overvoltage protection with circuit checker, comprise the first electrode 1, second electrode 2, be present in the air breakdown gap 4 between two electrodes and containment vessel 5, the first described electrode 1 and the second electrode 2 are positioned at containment vessel 5, containment vessel 5 is square, first electrode 1 and the second electrode 2 lay respectively at the both sides up and down of containment vessel 5, therebetween gap 3 is provided with, when described gap 3 is lighted a fire, electric arc is produced between the first electrode 1 and the second electrode 2, in gap 3, be provided with detect resistance 5 and piezo-resistance 13 in parallel with air breakdown gap 3.
Wherein, in the present embodiment, described detection resistance 5 is positioned within discharge space, and described detection resistance 5 two ends are provided with electric pressure converter 6, and electric pressure converter 6 is connected with voltmeter 14.
Wherein, in the present embodiment, described voltmeter 14 is connected with voltage signal receiver 7, and described voltage signal receiver 7 is connected with decision circuitry 8.
Wherein, in the present embodiment, described decision circuitry 8 is connected with preinstalled circuit 9, is provided with the voltage range in prescribed limit in described preinstalled circuit 9.
Wherein, in the present embodiment, described decision circuitry 8 is connected with single-chip microcomputer 10, single-chip microcomputer 10 lower end and voltage regulator circuit 12, voltage regulator circuit 12 is connected with described piezo-resistance 13, and described piezo-resistance 13 magnitude of voltage under the effect of single-chip microcomputer 10 can change.
Wherein, in the present embodiment, described single-chip microcomputer 10 is connected with memory 11.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
Structure is simple; easy to use, utilize the detection resistance in parallel with between electrode, detect the voltage between motor in real time; and compare with the magnitude of voltage of preset range; judge whether overvoltage, when exceeding or lower than preset value, described single-chip microcomputer according to circumstances can adjust the resistance of piezo-resistance; and then whole circuit is protected; be located at memory simultaneously, record can be carried out to the change in voltage situation in a period of time, conveniently consult.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. the overvoltage protection with circuit checker; it is characterized in that: comprise the first electrode, the second electrode, be present in air breakdown gap between two electrodes and containment vessel; the first described electrode and the second electrode are positioned at containment vessel; containment vessel is square; first electrode and the second electrode lay respectively at the both sides up and down of containment vessel; therebetween gap is provided with; when described gap igniting; produce electric arc between the first electrode and the second electrode; in gap, be provided with detect resistance and piezo-resistance in parallel with air breakdown gap.
2. a kind of overvoltage protection with circuit checker according to claim 1, is characterized in that, described detection resistance is positioned within discharge space, and described detection resistance two ends are provided with electric pressure converter, and power supply changeover device is connected with voltmeter.
3. a kind of overvoltage protection with circuit checker according to claim 2, it is characterized in that, described voltmeter is connected with voltage signal receiver, and described voltage signal receiver is connected with decision circuitry.
4. a kind of overvoltage protection with circuit checker according to claim 3, it is characterized in that, described decision circuitry is connected with preinstalled circuit, is provided with the voltage range in prescribed limit in described preinstalled circuit.
5. a kind of overvoltage protection with circuit checker according to claim 4; it is characterized in that; described decision circuitry is connected with single-chip microcomputer; single-chip microcomputer lower end and voltage regulator circuit; voltage regulator circuit is connected with described piezo-resistance, and described piezo-resistance magnitude of voltage under the effect of single-chip microcomputer can change.
6. a kind of overvoltage protection with circuit checker according to claim 5, it is characterized in that, described single-chip microcomputer is connected with memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370881.6U CN204706888U (en) | 2015-06-02 | 2015-06-02 | A kind of overvoltage protection with circuit checker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370881.6U CN204706888U (en) | 2015-06-02 | 2015-06-02 | A kind of overvoltage protection with circuit checker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706888U true CN204706888U (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520370881.6U Expired - Fee Related CN204706888U (en) | 2015-06-02 | 2015-06-02 | A kind of overvoltage protection with circuit checker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771940A (en) * | 2017-03-01 | 2017-05-31 | 西安科技大学 | The circuit and method held time using signal single-phase monitoring inductance breaking arc |
-
2015
- 2015-06-02 CN CN201520370881.6U patent/CN204706888U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771940A (en) * | 2017-03-01 | 2017-05-31 | 西安科技大学 | The circuit and method held time using signal single-phase monitoring inductance breaking arc |
| CN106771940B (en) * | 2017-03-01 | 2019-06-18 | 西安科技大学 | The circuit and method held time using signal single-phase monitoring inductance breaking arc |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Zhongheng Inventor before: Wei Jianhua |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160406 Address after: 510000 No. 91 Zhuang Road, Tianhe District, Guangdong, Guangzhou, Dongguan Patentee after: GUANGDONG HUE SENT TESTING TECHNOLOGY CO., LTD. Address before: 312455 Zhejiang city of Shaoxing province Shengzhou City, Huang Ze Zhen Tang Jia Ao Cun Patentee before: Wei Jianhua |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20190602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |