CN104459449A - Electric leakage detection device of electrical appliance - Google Patents
Electric leakage detection device of electrical appliance Download PDFInfo
- Publication number
- CN104459449A CN104459449A CN201410844684.3A CN201410844684A CN104459449A CN 104459449 A CN104459449 A CN 104459449A CN 201410844684 A CN201410844684 A CN 201410844684A CN 104459449 A CN104459449 A CN 104459449A
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- electric leakage
- central processing
- current sensor
- electric equipment
- processing module
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Abstract
The invention discloses an electric leakage detection device of an electrical appliance, and belongs to the field of electric power detecting. The electric leakage detection device comprises a current sensor, a detection controller, an A/D conversion module and a central processing module. The current sensor is connected with the detection controller, the detection controller is connected with the A/D conversion module, and the A/D conversion module is connected with the central processing module. The central processing module comprises a single-chip microcomputer and further comprises a display unit, an alarm unit and a communication unit, all of which are connected with the single-chip microcomputer. After electric leakage occurs in the electrical appliance, electric leakage information can be remotely transmitted in time through the electric leakage detection device and be reported to a near-end worker through the display unit and the alarm unit, accordingly, electric leakage can be handled in time, and electric shock, fire disasters and other accidents can be prevented.
Description
Technical field
The present invention relates to a kind of earth detector, be specifically a kind of electric equipment earth detector, belong to field of power detection.
Background technology
Along with the progress of science and technology, various electrical equipment extensively enters into the daily production of the mankind, work and life, for the mankind provide conveniently.But while enjoying electrical equipment, Electrical Safety is the problem that people pay close attention to always.Along with the aging of electrical equipment or misoperation, electrical equipment unavoidably in generation leaky, can constitute a threat to the safety of the mankind.Current earth leakage protective device is all kinds of various, usually whether there is electric leakage by inductance detection collector surface, then reports to the police.This kind of earth leakage protective device function singleness, cannot meet if commercial production is to the occasion of the extraordinary particular/special requirement of earth leakage protective device; Meanwhile, can only closely just with perception, thus cause electric leakage information to carry out remote transmission during electrical leakage.
Summary of the invention
Technical matters to be solved by this invention is to overcome prior art defect, provides a kind of structure simply in time electric leakage signal can be carried out the electric equipment earth detector of remote transmission.
In order to solve the problems of the technologies described above, provided by the inventionly comprise current sensor, detection control device, A/D modular converter, central processing module, described current sensor connects detection control device, and described detection control device connects A/D modular converter, and described A/D modular converter connects central processing module; Display unit, alarm unit and communication unit that described central processing module comprises single-chip microcomputer and is connected with single-chip microcomputer respectively.
In the present invention, described communication unit is wireless communication module or wire communication module.
In the present invention, described wireless communication module is GSM/GPRC/CDMA data transmission module.
In the present invention, described wireless communication module Wifi/Zigbee/RF433 data transmission module.
In the present invention, described current sensor comprises magnet ring and coil, and described coil is arranged on magnet ring; Described coil is flexible Luo-coil.
Beneficial effect of the present invention is: after electrical equipment leaks electricity, in time electric leakage information can be carried out remote transmission by this device, and be reported to near-end personnel by display unit and alarm unit so that process electric leakage in time, in case get an electric shock, the accident such as fire; Structure of the present invention is simple, easy to use, can be widely used in the detection of electrical leakage of various occasion electric equipment.
Accompanying drawing explanation
Fig. 1 is electric equipment earth detector structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, electric equipment earth detector of the present invention, comprises current sensor, detection control device, A/D modular converter, single-chip microcomputer, display unit, alarm unit and communication unit.Current sensor comprises magnet ring, flexible Luo-coil, and flexible Luo-coil is arranged on magnet ring.Current sensor connects detection control device, and detection control device connects A/D modular converter, and A/D modular converter connects single-chip microcomputer.Display unit, alarm unit are all connected with single-chip microcomputer with communication unit.
Display unit adopts led display screen; Alarm unit adopts hummer or LED lamp; Communication unit adopts wireless communication module, certainly also can adopt wire communication module as required.When adopting wireless communication module, the position different according to electric equipment adopts GSM/GPRC/CDMA data transmission module, also can adopt Wifi/Zigbee/RF433 data transmission module.
The course of work of the present invention is: when the current imbalance on coil on current sensor (namely has leakage current, be generally several milliamperes to tens milliamperes) time, current sensor induces an induction electromotive force, obtain galvanic current after controller process filtering radio-frequency component after testing and be pressed onto A/D modular converter, deliver to single-chip microcomputer after A/D modular converter sample conversion, electric leakage information is carried out remote transmission by communication unit by single-chip microcomputer; Meanwhile, demonstrate the size of leakage current by liquid display unit, alarm unit, alarm unit performs alarm level according to the size of electric current.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. an electric equipment earth detector, it is characterized in that: comprise current sensor, detection control device, A/D modular converter, central processing module, described current sensor connects detection control device, described detection control device connects A/D modular converter, and described A/D modular converter connects central processing module; Display unit, alarm unit and communication unit that described central processing module comprises single-chip microcomputer and is connected with single-chip microcomputer respectively.
2. electric equipment earth detector according to claim 1, is characterized in that: described communication unit is wireless communication module or wire communication module.
3. electric equipment earth detector according to claim 2, is characterized in that: described wireless communication module is GSM/GPRC/CDMA data transmission module.
4. electric equipment earth detector according to claim 2, is characterized in that: described wireless communication module Wifi/Zigbee/RF433 data transmission module.
5. electric equipment earth detector according to claim 1, it is characterized in that: described current sensor comprises magnet ring and coil, described coil is arranged on magnet ring; Described coil is flexible Luo-coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844684.3A CN104459449A (en) | 2014-12-31 | 2014-12-31 | Electric leakage detection device of electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844684.3A CN104459449A (en) | 2014-12-31 | 2014-12-31 | Electric leakage detection device of electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104459449A true CN104459449A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410844684.3A Pending CN104459449A (en) | 2014-12-31 | 2014-12-31 | Electric leakage detection device of electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104459449A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259465A (en) * | 2015-11-25 | 2016-01-20 | 国家电网公司 | Power distribution cabinet leakage detection device |
| CN107132445A (en) * | 2017-04-20 | 2017-09-05 | 广西电网有限责任公司电力科学研究院 | A kind of AC/DC arrester real time on-line monitoring device |
| CN107677914A (en) * | 2017-07-19 | 2018-02-09 | 国网浙江省电力公司衢州供电公司 | A kind of Intelligent household leakage protector and guard method |
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| CN201134156Y (en) * | 2007-06-11 | 2008-10-15 | 上海光华电控设备有限公司 | Collector of monitoring system |
| US20090287430A1 (en) * | 2005-06-14 | 2009-11-19 | Toyotsugu Atoji | System and Method for Detecting Leak Current |
| CN101989721A (en) * | 2010-12-02 | 2011-03-23 | 饶学进 | Power socket with leakage current measurement protector |
| CN203414520U (en) * | 2013-08-30 | 2014-01-29 | 中国西电电气股份有限公司 | Power transmission line arrester leakage current on-line monitoring system |
| CN104237617A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Electric leakage detection device |
-
2014
- 2014-12-31 CN CN201410844684.3A patent/CN104459449A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090287430A1 (en) * | 2005-06-14 | 2009-11-19 | Toyotsugu Atoji | System and Method for Detecting Leak Current |
| CN201134156Y (en) * | 2007-06-11 | 2008-10-15 | 上海光华电控设备有限公司 | Collector of monitoring system |
| CN101989721A (en) * | 2010-12-02 | 2011-03-23 | 饶学进 | Power socket with leakage current measurement protector |
| CN104237617A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Electric leakage detection device |
| CN203414520U (en) * | 2013-08-30 | 2014-01-29 | 中国西电电气股份有限公司 | Power transmission line arrester leakage current on-line monitoring system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259465A (en) * | 2015-11-25 | 2016-01-20 | 国家电网公司 | Power distribution cabinet leakage detection device |
| CN107132445A (en) * | 2017-04-20 | 2017-09-05 | 广西电网有限责任公司电力科学研究院 | A kind of AC/DC arrester real time on-line monitoring device |
| CN107132445B (en) * | 2017-04-20 | 2023-06-06 | 广西电网有限责任公司电力科学研究院 | Real-time on-line monitoring device for AC/DC lightning arrester |
| CN107677914A (en) * | 2017-07-19 | 2018-02-09 | 国网浙江省电力公司衢州供电公司 | A kind of Intelligent household leakage protector and guard method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |