CN110618318A - Intelligent control insulation resistance tester - Google Patents
Intelligent control insulation resistance tester Download PDFInfo
- Publication number
- CN110618318A CN110618318A CN201910891949.8A CN201910891949A CN110618318A CN 110618318 A CN110618318 A CN 110618318A CN 201910891949 A CN201910891949 A CN 201910891949A CN 110618318 A CN110618318 A CN 110618318A
- Authority
- CN
- China
- Prior art keywords
- intelligent
- insulation resistance
- resistance tester
- controller
- electromagnetic relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention relates to an intelligent control insulation resistance tester, which is characterized by comprising: the device comprises a megameter, a voltage excitation device and a voltage detection device, wherein the megameter is electrically connected with a tested device; the megohmmeter is also electrically connected with an intelligent remote control switch, and the intelligent remote control switch is communicated with a remote terminal through a wireless network.
Description
Technical Field
The invention belongs to the technical field of insulation resistance testing of electrical equipment, and particularly relates to an intelligent control insulation resistance tester.
Background
Insulation resistance testing is a relatively conventional means of testing and verifying the insulation performance of electrical equipment, including windings, cables and all insulation in motors, transformers, switchgear, control devices and other electrical devices. The test of the insulation resistance is carried out before the dangerous and destructive tests, so that the larger insulation defect of the insulation material can be found in advance, corresponding measures can be taken in advance, and the insulation of the tested object is prevented from being completely destroyed. In the measurement of a test object or a capacitor with a winding or a dielectric material, an absorption ratio and a polarization index are very important indexes for judging the insulation property.
In the test method in the prior art, when the test is carried out, an operator is too close to the equipment to be tested, so that electric shock accidents are easily caused. This is a drawback in the prior art.
In view of the above, the present invention provides an intelligent insulation resistance tester; to solve the defects and shortcomings in the prior art.
Disclosure of Invention
The invention aims to provide an intelligent control insulation resistance tester aiming at the defect that an electric shock accident is easily caused by too short distance between an operator and equipment to be tested during testing in the prior art so as to solve the technical problem.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent control insulation resistance tester, comprising:
the device comprises a megameter, a voltage excitation device and a voltage detection device, wherein the megameter is electrically connected with a tested device;
the megohmmeter is also electrically connected with an intelligent remote control switch, and the intelligent remote control switch is communicated with a remote terminal through a wireless network.
Preferably, the intelligent remote control switch comprises a controller and an electromagnetic relay, the output end of the controller is connected with the electromagnetic relay, the input end of the controller is connected with a wireless receiver, the wireless receiver receives a control instruction from a remote terminal, and a contact of the electromagnetic relay is connected to a test circuit between the megohmmeter and the tested equipment. The remote control of the megameter access test circuit is simply and conveniently realized.
Preferably, the remote terminal is a mobile phone terminal; control instructions are conveniently and quickly sent to the intelligent remote control switch.
Preferably, the controller is a 51-series single chip microcomputer controller; the development is simple and the cost is low.
Preferably, the wireless network is a GPRS communication network; the signal intensity is high.
Preferably, the contact point of the electromagnetic relay accessed to the test circuit is a silver contact point; the silver contact can reduce the occurrence probability of electric arcs and improve the conductivity.
Preferably, the wireless receiver is a GSM short message receiver; the GSM short message receiver is used as data transfer between the mobile phone terminal and the controller, and the reliability of instruction data transfer is improved.
The invention has the advantages that the megameter is connected into the test circuit in a remote control mode, and the electric shock injury of personnel is effectively avoided. In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent insulation resistance tester provided by the invention.
The system comprises a 1-megameter, a 2-tested device, a 3-voltage excitation device, a 4-intelligent remote control switch, a 5-remote terminal, a 4.1-controller, a 4.2-electromagnetic relay, a 4.3-wireless receiver and a 4.4-contact point.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1, the present embodiment provides an intelligent control insulation resistance tester, including:
the device comprises a megohmmeter 1, a tested device 2 and a voltage excitation device 3, wherein the megohmmeter 1 is electrically connected with the tested device 2, and the voltage excitation device 2 is electrically connected with the voltage excitation device 3;
the megohmmeter 1 is also electrically connected with an intelligent remote control switch 4, and the intelligent remote control switch 4 is communicated with a remote terminal 5 through a wireless network. The wireless network is a GPRS communication network; the signal intensity is high. The intelligent remote control switch 4 comprises a controller 4.1 and an electromagnetic relay 4.2, wherein the controller 4.1 is a 51-series single chip microcomputer controller; the development is simple and the cost is low. The output end of the controller 4.1 is connected with an electromagnetic relay 4.2, the input end of the controller 4.1 is connected with a wireless receiver 4.3, and the wireless receiver 4.3 is a GSM short message receiver; the GSM short message receiver is used as data transfer between the mobile phone terminal and the controller, and the reliability of instruction data transfer is improved. The wireless receiver 4.3 receives a control command from a remote terminal, and a contact 4.4 of the electromagnetic relay 4.2 is connected to a test circuit between the megger and the tested equipment. The contact point of the electromagnetic relay 4.2 connected into the test circuit is a silver contact point; the silver contact can reduce the occurrence probability of electric arcs and improve the conductivity. The remote control of the megameter access test circuit is simply and conveniently realized. The remote terminal is a mobile phone terminal; control instructions are conveniently and quickly sent to the intelligent remote control switch.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides an intelligent control insulation resistance tester which characterized in that includes:
the device comprises a megameter, a voltage excitation device and a voltage detection device, wherein the megameter is electrically connected with a tested device;
the megohmmeter is also electrically connected with an intelligent remote control switch, and the intelligent remote control switch is communicated with a remote terminal through a wireless network.
2. The intelligent insulation resistance tester as claimed in claim 1, wherein the intelligent remote switch comprises a controller and an electromagnetic relay, the output end of the controller is connected with the electromagnetic relay, the input end of the controller is connected with a wireless receiver, the wireless receiver receives a control command from a remote terminal, and the contact point of the electromagnetic relay is connected to a test circuit between the megohmmeter and the tested device.
3. The intelligent insulation resistance tester as claimed in claim 2, wherein the remote terminal is a mobile phone terminal.
4. The intelligent control insulation resistance tester of claim 3, wherein the controller is a 51-series single chip microcomputer controller.
5. The intelligent control insulation resistance tester of claim 4, wherein the wireless network is a GPRS communication network.
6. The intelligent control insulation resistance tester of claim 5, wherein the contact points of the electromagnetic relay in the test circuit are silver contact points.
7. The intelligent insulation resistance tester as claimed in claim 6, wherein the wireless receiver is a GSM short message receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891949.8A CN110618318A (en) | 2019-09-17 | 2019-09-17 | Intelligent control insulation resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891949.8A CN110618318A (en) | 2019-09-17 | 2019-09-17 | Intelligent control insulation resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110618318A true CN110618318A (en) | 2019-12-27 |
Family
ID=68923642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891949.8A Pending CN110618318A (en) | 2019-09-17 | 2019-09-17 | Intelligent control insulation resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110618318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273147A (en) * | 2020-03-17 | 2020-06-12 | 神华国能集团有限公司 | Insulation measuring device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO120676B1 (en) * | 2004-02-18 | 2006-05-30 | Artego S.A. | Process and installation for checking the electrical insulation resistance of the electroinsulating rubber plates |
| CN202794902U (en) * | 2012-08-31 | 2013-03-13 | 宁波市北仑海伯精密机械制造有限公司 | Intelligent switch system |
| CN103941100A (en) * | 2014-02-28 | 2014-07-23 | 国家电网公司 | Intelligent device for measuring dielectric loss factor and insulation resistance of power transformer |
| CN203759126U (en) * | 2014-03-27 | 2014-08-06 | 国网山东夏津县供电公司 | Remote-control wireless visual insulation resistance tester |
| CN203786506U (en) * | 2014-04-16 | 2014-08-20 | 张可现 | Mobile phone remote control type switch |
| CN104360661A (en) * | 2014-11-19 | 2015-02-18 | 安徽省德诺电子科技有限公司 | Energy consumption monitoring terminal controller with wireless function |
| CN204948107U (en) * | 2015-09-15 | 2016-01-06 | 平安科技（深圳）有限公司 | With the wireless router of function of wireless remote control and the control system of input power thereof |
| CN106771782A (en) * | 2017-02-10 | 2017-05-31 | 国家电网公司 | A kind of experimental rig and method for simulating distinct device insulaion resistance and absorption process |
| CN108562797A (en) * | 2018-04-28 | 2018-09-21 | 国家电网公司 | Intelligent insulation resistance test system and test method |
| CN109752595A (en) * | 2018-12-17 | 2019-05-14 | 广州思泰信息技术有限公司 | Wireless Split intelligent Insulation Resistance Tester |
-
2019
- 2019-09-17 CN CN201910891949.8A patent/CN110618318A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO120676B1 (en) * | 2004-02-18 | 2006-05-30 | Artego S.A. | Process and installation for checking the electrical insulation resistance of the electroinsulating rubber plates |
| CN202794902U (en) * | 2012-08-31 | 2013-03-13 | 宁波市北仑海伯精密机械制造有限公司 | Intelligent switch system |
| CN103941100A (en) * | 2014-02-28 | 2014-07-23 | 国家电网公司 | Intelligent device for measuring dielectric loss factor and insulation resistance of power transformer |
| CN203759126U (en) * | 2014-03-27 | 2014-08-06 | 国网山东夏津县供电公司 | Remote-control wireless visual insulation resistance tester |
| CN203786506U (en) * | 2014-04-16 | 2014-08-20 | 张可现 | Mobile phone remote control type switch |
| CN104360661A (en) * | 2014-11-19 | 2015-02-18 | 安徽省德诺电子科技有限公司 | Energy consumption monitoring terminal controller with wireless function |
| CN204948107U (en) * | 2015-09-15 | 2016-01-06 | 平安科技（深圳）有限公司 | With the wireless router of function of wireless remote control and the control system of input power thereof |
| CN106771782A (en) * | 2017-02-10 | 2017-05-31 | 国家电网公司 | A kind of experimental rig and method for simulating distinct device insulaion resistance and absorption process |
| CN108562797A (en) * | 2018-04-28 | 2018-09-21 | 国家电网公司 | Intelligent insulation resistance test system and test method |
| CN109752595A (en) * | 2018-12-17 | 2019-05-14 | 广州思泰信息技术有限公司 | Wireless Split intelligent Insulation Resistance Tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273147A (en) * | 2020-03-17 | 2020-06-12 | 神华国能集团有限公司 | Insulation measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106526383B (en) | Lightning arrester state monitoring system and monitoring method | |
| CN106526288A (en) | Transmission line voltage and current monitoring system and method | |
| CN201247302Y (en) | Apparatus for measuring polar of isonym end of current mutual inductor or transformer | |
| CN103293507B (en) | The online test method of current transformer error | |
| CN108732471A (en) | Multiple physical field based on superfrequency method couples paper oil insulation partial discharge detecting system | |
| CN104347258B (en) | A kind of insulation and error self-monitoring full Intelligent current transformer | |
| CN106597147A (en) | State monitoring system and method of lightning arrester with series gap based on residual voltage monitoring | |
| CN103336262B (en) | The online live calibration device of a kind of mutual inductor | |
| CN205353237U (en) | Adjustable circuit of resistance and induced -current suppression device | |
| CN106896302A (en) | GIS device low-voltage conductor surface field strength meter and method | |
| CN110618318A (en) | Intelligent control insulation resistance tester | |
| CN103149518B (en) | Partial discharge test circuit | |
| CN208580163U (en) | Power high voltage dry-type air-core reactor on-line intelligence monitors system | |
| CN208076658U (en) | Multiple physical field based on superfrequency method couples paper oil insulation partial discharge detecting system | |
| CN204855773U (en) | Self -correcting coil of CT measurement winding for electric power system | |
| CN102323525B (en) | Test method for insulating property experiment on lead with withstand voltage level of more than 35kV | |
| CN206945795U (en) | A kind of transmission line of electricity voltage x current monitoring system | |
| CN111487512A (en) | VFTO and partial discharge monitoring system and method for GIS transformer substation | |
| CN117491901A (en) | Intelligent cable shielding layer leakage current on-line monitoring device | |
| CN206362860U (en) | A kind of test device of GIS or GIL equipment loop resistance | |
| CN203365667U (en) | On-line live calibration device for mutual inductor | |
| CN202083766U (en) | High voltage grounding line selection apparatus | |
| CN205229270U (en) | Large power supply transformer no -load current measuring device | |
| CN212623044U (en) | Explosion-proof early warning's voltage transformer's on-line monitoring device | |
| CN111293675A (en) | Fusion type power transmission line fault isolation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191227 |
|
| RJ01 | Rejection of invention patent application after publication |