CN104991203A - Relay protection power supply plug-in performance tester - Google Patents
Relay protection power supply plug-in performance tester Download PDFInfo
- Publication number
- CN104991203A CN104991203A CN201510402471.XA CN201510402471A CN104991203A CN 104991203 A CN104991203 A CN 104991203A CN 201510402471 A CN201510402471 A CN 201510402471A CN 104991203 A CN104991203 A CN 104991203A
- Authority
- CN
- China
- Prior art keywords
- power supply
- chip microcomputer
- power
- relay
- resistive load
- 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.)
- Granted
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a relay protection power supply plug-in performance tester comprising a single-chip microcomputer, a power supply module and a monitor. The single-chip microcomputer is connected with the power supply module and the monitor, and the single-chip microcomputer, the power supply module and the monitor are arranged in a shell. The power supply module comprises a working power supply and a measuring power supply. The monitor comprises a ripple tester, an A/D converter, a current sensor and a linear resistive load. The linear resistive load is connected with a power supply plug-in which is connected with the measuring power supply via a three-level voltage regulating circuit. The three-level voltage regulating circuit is connected with the single-chip microcomputer. An electronic load is arranged so that the characteristics of the power supply plug-in can be flexibly and conveniently detected, the power supply plug-ins of different voltage levels and different manufacturers can be met, adaptability is high, heat radiation is performed by adopting an air cooling mode, and an independent air channel is arranged without influence on other internal elements.
Description
technical field:
The present invention relates to a kind of tester, particularly relate to a kind of relay protecting power plug-in unit ability meter.
background technology:
Relay protecting power plug-in unit generally all can experience early fault period, random failure period, spoilage malfunction phase, early fault period mainly due to the carelessness in design, production technology quality is not good, some parts is of poor quality and Rig up error etc. causes.
Random failure period mainly some random accidentalia cause, the spoilage malfunction phase, failure rate increases along with the increase of time, and the reason of fault is cause because electric capacity electrolyte is aging etc. mostly.General about 1 year of early fault period; random failure period 2-10; after 10 years, relay protecting power plug-in unit just enters the spoilage malfunction phase gradually; microcomputer type relay protection is developed so far 10 years nearly; therefore relay protecting power plug-in unit has entered the spoilage malfunction phase; in order to avoid the unexpected power-off of protective relaying device, effectively must detect for power source performance degree of aging.
summary of the invention:
Technical matters to be solved by this invention is: overcome the deficiencies in the prior art; be equipped with electronic load; flexible detection can be carried out to power insert characteristic, the relay protecting power plug-in unit ability meter of different electric pressure and different manufacturers power insert can be met.
Technical scheme of the present invention is: a kind of relay protecting power plug-in unit ability meter; comprise single-chip microcomputer, power module, watch-dog; described single-chip microcomputer is connected with power module and watch-dog; and be all arranged in housing; described power module comprises working power and measures power supply; described watch-dog comprises ripple test instrument, A/D converter, current sensor and line resistive load; described line resistive load is connected with power insert; described power insert is connected with measurement power supply by three grades of pressure-adjusting type circuit, and described three grades of pressure-adjusting type circuit are connected with single-chip microcomputer.
Described three grades of pressure-adjusting type circuit comprise pressure regulator and relay, and described pressure regulator is connected with power insert, power insert and measurement power supply, is provided with relay between described regulator and single-chip microcomputer, and described relay is three.
Described ripple test instrument, A/D converter, current sensor are all connected with single-chip microcomputer with line resistive load, and line resistive load is slide rheostat, and described measurement power supply is 800W rectification module.
Described housing is provided with radiator fan, and described radiator fan is connected with single-chip microcomputer, and described single-chip microcomputer is connected with display, data-interface and warning device.Described housing is provided with interlayer, in described interlayer, is provided with connecting line and instrument rest area.
The invention has the beneficial effects as follows:
1, the present invention detects secondary device power insert characteristics such as 500 kilovolts of relay protections, sets up the Test database of secondary power supply module, solves the contradiction that the long-term defect of regional power grid secondary device is run.
2, the present invention is equipped with electronic load, can carry out flexible detection to power insert characteristic, can meet different electric pressure and different manufacturers power insert, strong adaptability, air cooling way is adopted to dispel the heat, and independent ventiduct, do not affect other element inner.
3, the present invention is provided with three grades of pressure-adjusting type circuit measurement supply voltage is divided into 1.1Un, Un, 0.9Un Three Estate, just accurately can be realized the output of three different stage voltages, to meet the demand of different electrical power plug-in unit by single-chip microcomputer to the control of relay.
4, the present invention adopts limit filtration method to detect ripple factor, effectively can overcome the impulse disturbances because accidentalia causes, effectively can gather the peak value that ripple causes, middle position value filtering method is adopted to detect the precision of voltage regulation, effectively can overcome the fluctuation interference because accidentalia causes, effectively detect the precision of voltage regulation.
5, the present invention be provided with display can the Detection Information of display power supply module and power insert, when the Detection Information of power module and power insert goes beyond the scope, warning device can carry out audible and visual alarm.
6, the present invention also has power work state-detection, output voltage is measured, output current is measured, load capacity is tested, the precision of voltage regulation is tested, output ripple is tested, power module failure measuring ability.
accompanying drawing illustrates:
Fig. 1 is the connection block diagram of relay protecting power plug-in unit ability meter.
Fig. 2 is relay protecting power plug-in unit ability meter front view.
Fig. 3 is three grades of pressure-adjusting type circuit figure.
embodiment:
Embodiment: see Fig. 1, Fig. 2 and Fig. 3,1-pressure regulator in figure, 2-relay, 3-single-chip microcomputer, 4-housing, 5-display, 6-data-interface, 7-warning device.
Relay protecting power plug-in unit ability meter; comprise single-chip microcomputer 3, power module, watch-dog; single-chip microcomputer 3 is connected with power module and watch-dog; and be all arranged in housing 4; power module comprises working power and measures power supply, and watch-dog comprises ripple test instrument, A/D converter, current sensor and line resistive load, and line resistive load is connected with power insert; power insert is connected with measurement power supply by three grades of pressure-adjusting type circuit, and three grades of pressure-adjusting type circuit are connected with single-chip microcomputer 3.
Three grades of pressure-adjusting type circuit comprise pressure regulator 1 and relay 2, and pressure regulator 1 is connected with power insert, power insert and measurement power supply, is provided with relay 2 between regulator 1 and single-chip microcomputer 3, and relay 2 is three.
Ripple test instrument, A/D converter, current sensor are all connected with single-chip microcomputer 3 with line resistive load, and line resistive load is slide rheostat, and measuring power supply is 800W rectification module.
Housing 4 is provided with radiator fan, and radiator fan is connected with single-chip microcomputer 3, and single-chip microcomputer 3 is connected with display 5, data-interface 6 and warning device 7.Described housing 4 is provided with interlayer, in described interlayer, is provided with connecting line and instrument rest area.
During use, connect power supply, the power insert detected is connected with line resistive load and pressure regulator 1, personnel regulate according to the power insert detected and are carried on the power insert of detection, single-chip microcomputer 3, Hall current sensor and ripple test instrument detect the power insert output voltage detected and electric current, and by display, detection data are shown, personnel regulate line resistive load, change the size of load, continue to detect the power insert output voltage detected and electric current, detect data to be shown by display 5, and be stored in the Test database of secondary power supply module, detection data and normal power insert compare, when detecting data and exceeding normal range value, warning device 7 can carry out audible and visual alarm.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a relay protecting power plug-in unit ability meter; comprise single-chip microcomputer, power module, watch-dog; it is characterized in that: described single-chip microcomputer is connected with power module and watch-dog; and be all arranged in housing; described power module comprises working power and measures power supply; described watch-dog comprises ripple test instrument, A/D converter, current sensor and line resistive load; described line resistive load is connected with power insert; described power insert is connected with measurement power supply by three grades of pressure-adjusting type circuit, and described three grades of pressure-adjusting type circuit are connected with single-chip microcomputer.
2. relay protecting power plug-in unit ability meter according to claim 1; it is characterized in that: described three grades of pressure-adjusting type circuit comprise pressure regulator and relay; described pressure regulator is connected with power insert, power insert and measurement power supply; be provided with relay between described regulator and single-chip microcomputer, described relay is three.
3. relay protecting power plug-in unit ability meter according to claim 1; it is characterized in that: described ripple test instrument, A/D converter, current sensor are all connected with single-chip microcomputer with line resistive load; line resistive load is slide rheostat, and described measurement power supply is 800W rectification module.
4. relay protecting power plug-in unit ability meter according to claim 1, it is characterized in that: described housing is provided with radiator fan, described radiator fan is connected with single-chip microcomputer, and described single-chip microcomputer is connected with display, data-interface and warning device.
5. relay protecting power plug-in unit ability meter according to claim 1, is characterized in that: described housing is provided with interlayer, is provided with connecting line and instrument rest area in described interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402471.XA CN104991203B (en) | 2015-07-10 | 2015-07-10 | Relay protecting power plug-in unit ability meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402471.XA CN104991203B (en) | 2015-07-10 | 2015-07-10 | Relay protecting power plug-in unit ability meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104991203A true CN104991203A (en) | 2015-10-21 |
| CN104991203B CN104991203B (en) | 2018-10-30 |
Family
ID=54303039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510402471.XA Active CN104991203B (en) | 2015-07-10 | 2015-07-10 | Relay protecting power plug-in unit ability meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104991203B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872851A (en) * | 2017-04-13 | 2017-06-20 | 国家电网公司 | The health status detection means and detection method of new relay protecting power plug-in unit |
| CN109946591A (en) * | 2019-04-16 | 2019-06-28 | 江苏健雄电气安装工程有限公司 | A kind of relay-protection tester automated detection system |
| CN111722035A (en) * | 2020-06-11 | 2020-09-29 | 天津瑞能电气有限公司 | Wind power quality intelligent test system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021451A (en) * | 2007-03-30 | 2007-08-22 | 株洲南车时代电气股份有限公司 | Train running monitoring device comprehensive test method and comprehensive testbench |
| CN201387477Y (en) * | 2008-12-04 | 2010-01-20 | 泉州市伟顺机电设备有限公司 | Power supply tester |
| CN201926748U (en) * | 2010-12-23 | 2011-08-10 | 上海泉润机电设备有限公司 | Full-automatic test device of aviation power supply |
| CN102854475A (en) * | 2012-08-15 | 2013-01-02 | 泰州东睿信息技术有限公司 | Power supply testing device |
| CN104656038A (en) * | 2014-11-27 | 2015-05-27 | 康龙 | Real-time monitoring system for power supply |
| CN205992048U (en) * | 2016-05-05 | 2017-03-01 | 卜路霞 | A kind of small-sized DC/DC power module tester for overall characteristic |
-
2015
- 2015-07-10 CN CN201510402471.XA patent/CN104991203B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021451A (en) * | 2007-03-30 | 2007-08-22 | 株洲南车时代电气股份有限公司 | Train running monitoring device comprehensive test method and comprehensive testbench |
| CN201387477Y (en) * | 2008-12-04 | 2010-01-20 | 泉州市伟顺机电设备有限公司 | Power supply tester |
| CN201926748U (en) * | 2010-12-23 | 2011-08-10 | 上海泉润机电设备有限公司 | Full-automatic test device of aviation power supply |
| CN102854475A (en) * | 2012-08-15 | 2013-01-02 | 泰州东睿信息技术有限公司 | Power supply testing device |
| CN104656038A (en) * | 2014-11-27 | 2015-05-27 | 康龙 | Real-time monitoring system for power supply |
| CN205992048U (en) * | 2016-05-05 | 2017-03-01 | 卜路霞 | A kind of small-sized DC/DC power module tester for overall characteristic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872851A (en) * | 2017-04-13 | 2017-06-20 | 国家电网公司 | The health status detection means and detection method of new relay protecting power plug-in unit |
| CN109946591A (en) * | 2019-04-16 | 2019-06-28 | 江苏健雄电气安装工程有限公司 | A kind of relay-protection tester automated detection system |
| CN111722035A (en) * | 2020-06-11 | 2020-09-29 | 天津瑞能电气有限公司 | Wind power quality intelligent test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104991203B (en) | 2018-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11555837B2 (en) | Volt-var device monitor | |
| TW201333484A (en) | Apparatus and method for detecting equipment abnormal | |
| CN105068017A (en) | Method of testing performance of relay protection power supply plug-in | |
| CN102830319A (en) | Device and method for on-line inspection on insulation state of zinc oxide arrester | |
| CN104991203A (en) | Relay protection power supply plug-in performance tester | |
| PH12016000157A1 (en) | Multiple coil configuration for faulted circuit indicator | |
| JP2017034858A (en) | Motor drive device equipped with function of detecting circuit abnormalities caused by intrusion of foreign matters in advance | |
| CN204166118U (en) | A kind of lightning arrester on-line computing model performance calibration equipment on the spot | |
| CN106771927B (en) | GIS voltage withstand fault positioning method, fault cause judging method using same and positioning device | |
| CN106405305A (en) | Zero line open-phase detection circuit and method for detecting open phase of zero line | |
| CN204286646U (en) | Main transformer of transformer substation thermometric loop fault detecting device | |
| CN104113040A (en) | AC voltage-stabilizer voltage detection execution circuit | |
| CN202149937U (en) | Electric energy meter calibrating device and calibrating system | |
| CN205229427U (en) | D.C. high -current power calibrating installation | |
| US10379149B2 (en) | System and method for detecting connector faults in power conversion system | |
| CN105676044A (en) | Online test method and system for lightning arrester and monitor thereof | |
| CN107543574B (en) | Automatic detector for high-temperature aging test of airborne sensor and operation method | |
| WO2011044827A1 (en) | Self-diagnosis method and system for wireless data service device | |
| CN109633338A (en) | A kind of intelligent surge protector heat stabilization test instrument | |
| CN106291195A (en) | A kind of Intellectualized starting functional transformer comprehensive test device | |
| CN105785109A (en) | Integrated device for current measurement, acquisition and energy obtaining for parallelly connected capacitors | |
| CN105958614A (en) | 220KV transformer station direct current cabinet circuit | |
| CN109591601B (en) | Self-diagnosis current divider circuit for vehicle | |
| CN202854246U (en) | Zinc oxide lightning arrester insulation state live detection device | |
| CN105896725A (en) | DC screen circuit of 110kV substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |