CN102565697B - Testing device for undervoltage tripper - Google Patents
Testing device for undervoltage tripper Download PDFInfo
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- CN102565697B CN102565697B CN201210035214.3A CN201210035214A CN102565697B CN 102565697 B CN102565697 B CN 102565697B CN 201210035214 A CN201210035214 A CN 201210035214A CN 102565697 B CN102565697 B CN 102565697B
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Abstract
The invention relates to a testing device for an undervoltage tripper, which comprises a programmable power supply with maximal output voltage being no less than square root of 2 times of rated working voltage U of the undervoltage tripper, a force measuring device and a computer; the computer is connected with the programmable power supply, and used for sending out a control signal of the programmable power supply and receiving a voltage signal of the programmable power supply; the programmable power supply is connected with a coil for an undervoltage tripper to be tested; the detection signal output terminal of the force measuring device used for detecting the tripping force of the undervoltage tripper to be tested is connected with the computer; a tripping force measuring part of the force measuring device is arranged oppositely to an armature for the undervoltage tripper to be tested. The force of releasing tripping can be detected during the process of detecting the power-on or power-off response time and the pull-in or release drop-away voltage of the undervoltage tripper, and the testing device can automatically finish measuring all parameters of the undervoltage tripper without manual intervention, therefore, the large-scale mass detection can be carried out.
Description
Technical field
The present invention relates to a kind of testing device for undervoltage tripper and method of testing thereof.
Background technology
In the actual production manufacture process and use of device for under-voltage releasing equipment, need to detect its pick-up voltage value, undervoltage tripping magnitude of voltage; For guaranteeing isolating switch reliable separating brake, the tripping force need to detect undervoltage tripping action time, and with parameters such as the delay time values of delay function device for under-voltage releasing equipment.If accurately measure above-mentioned parameter, also need to detect the adhesive response time and without time delay device for under-voltage releasing equipment retardation time of powering on of device for under-voltage releasing equipment.So the isolating switch for production with device for under-voltage releasing equipment, the performance parameter of check device for under-voltage releasing equipment is the important step that guarantees isolating switch quality.
In existing design, conventionally adopt the mode of manual switching voltage to make device for under-voltage releasing equipment action, so just can not accurately measure the actuation time of device for under-voltage releasing equipment and release time, and cannot detect the tripping force of device for under-voltage releasing equipment, can only depend merely on and judge intuitively whether device for under-voltage releasing equipment action conforms to judge with institute making alive whether device for under-voltage releasing equipment meets the requirements; And such detection mode has been difficult to adapt to the existing accuracy requirement detecting for the performance parameter of device for under-voltage releasing equipment aborning.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of can measure device for under-voltage releasing equipment electric or dead electricity response time, adhesive or discharge drop away voltage and the isoparametric testing device for undervoltage tripper of tripping force and method of testing thereof.
For solving the problems of the technologies described above, the invention provides a kind of testing device for undervoltage tripper, comprising: maximum output voltage is not less than device for under-voltage releasing equipment rated operational voltage U's
programmable power supply, device for measuring force, computing machine doubly; Described computing machine is connected with described programmable power supply, for sending the control signal of programmable power supply and the output voltage signal of reception programmable power supply; Described programmable power supply is connected with the coil of a device for under-voltage releasing equipment to be measured; Detection signal output terminal for detection of the device for measuring force of the tripping force of described device for under-voltage releasing equipment to be measured is connected with described computing machine; The tripping force test position of described device for measuring force and the armature of described electrical apparatus release to be measured are oppositely arranged.
Further, in order to make to keep the maximum data that detect, described device for measuring force adopts the dynamometry instrument with peak-value-holding function.
The parameter test method of described device for under-voltage releasing equipment, comprising:
The armature of step a, device for under-voltage releasing equipment to be measured discharges and withstands the test position of device for measuring force, makes device for measuring force obtain a primary data, and this primary data is sent to computing machine;
Step b, output voltage by described computer control programmable power supply are from 30%*
u steps to 90%*
u, the time point that records this step is the first start time point t1, and starts timing; If described primary data diminishes or disappears, immediately by this time point of computer recording, be the first response time point t2, response time Tr=t2-t1 obtains threading off; If described primary data is unchanged or described dropout response time Tr not within the scope of the standard response time of this device for under-voltage releasing equipment to be measured, judge that this device for under-voltage releasing equipment is defective;
Step c, output voltage by described computer control programmable power supply are from 80%*
u steps to 30%* downwards
u, the time point that records this downward step is the second start time point t3, and starts timing; Described computing machine is recorded the time point of tripping force generation and is detected tripping force data by device for measuring force, then the qualified tripping force data of these tripping force data and Computer Storage are compared, if this tripping force data qualifier, the time point that records described tripping force generation is the second response time point t4, and Td=t4-t3 retardation time that obtains threading off; If described device for measuring force does not detect that qualified tripping force data or described dropout Td retardation time, not within standard retardation time of this device for under-voltage releasing equipment to be measured (2), judge that this device for under-voltage releasing equipment is defective;
Steps d, discharge the armature of device for under-voltage releasing equipment, make device for measuring force obtain described primary data, then output voltage by described computer control programmable power supply is from 70%*
u rises to 90%* take slope as 1/Tr linearity
u, the output voltage of corresponding programmable power supply when if described primary data disappearance disappears with described primary data by computer recording in this process, be the pick-up voltage Ua of device for under-voltage releasing equipment, then by the standard pick-up voltage data comparison of storing in this pick-up voltage Ua and described computing machine; If the dropout pick-up voltage Ua data of surveying not in standard pick-up voltage data area or not adhesive of armature, judge that this device for under-voltage releasing equipment is defective;
Step e, output voltage by described computer control programmable power supply are from 80%*
u drops to 30%* take slope as 1/Td linearity
u, if described device for measuring force detects and has qualified tripping force data in this process, by computer recording with at the output voltage that produces programmable power supply corresponding when described qualified tripping force data, be the drop away voltage Ur of device for under-voltage releasing equipment, and with described computing machine in the standard drop away voltage data comparison of storing; If the drop away voltage Ur data of surveying not in standard drop away voltage data area, judge that this device for under-voltage releasing equipment is defective.
The present invention has the following advantages: (1), because a device for measuring force is established in dropout place at device for under-voltage releasing equipment, discharges the dynamics of threading off so can detect, and makes electrical apparatus release detect data more comprehensive; (2) detecting in tripping force, can also automatically detect accurately device for under-voltage releasing equipment electric or dead electricity response time, adhesive or discharge drop away voltage, make detected parameters more comprehensive; (3) due to the stabilized voltage supply able to programme of this device employing computer bidirectional communication, make this stabilized voltage supply can produce and detect dissimilar magnitude of voltage, increased the kind of electrical apparatus release that this device is tested; (4) can automatically complete the measurement of the above-mentioned parameters of device for under-voltage releasing equipment due to this device, without manual intervention, improve greatly detection speed, so can carry out extensive batch detection.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is testing device for undervoltage tripper structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Device for under-voltage releasing equipment comprises electromagnetic undervoltage release and permanent-magnet type, if be divided into instantaneous type and time lagged type by delay function, and zero-pressure (decompression) type device for under-voltage releasing equipment.
The important technological parameters that has defined device for under-voltage releasing equipment according to low voltage switch equipment and opertaing device standard: GB14048.1-2006 and GB14048.2-2008 comprised device for under-voltage releasing equipment electric or dead electricity response time, adhesive or discharge drop away voltage and the isoparametric measurement of tripping force thereof, under the requirement of this standard, describe by following examples.
Embodiment 1
As Fig. 1, the testing device for undervoltage tripper of the present embodiment, comprising: maximum output voltage is not less than device for under-voltage releasing equipment rated operational voltage U's
programmable power supply 1, device for measuring force 4, computing machine 5 doubly; Described computing machine 5 is connected with described programmable power supply 1, for sending the control signal of programmable power supply 1 and the output voltage signal of reception programmable power supply 1; Described programmable power supply 1 is connected with the coil of a device for under-voltage releasing equipment 2 to be measured; Detection signal output terminal for detection of the device for measuring force 4 of the tripping force of described device for under-voltage releasing equipment 2 to be measured is connected with described computing machine 5; The tripping force test position of described device for measuring force 4 and the armature of described electrical apparatus release to be measured 2 are oppositely arranged.Wherein programmable power supply can adopt the linear formula Programmable AC Power Source of the APS8000L device for under-voltage releasing equipment rated operational voltage of Hua Ruigao Electron Technology Co., Ltd of Shenzhen generally at 220V or 380V, because this rated voltage is all AC value, the peak value of its operating voltage is rated voltage
doubly, thus for programmable voltage output be DC voltage, its maximum voltage range should be 0-
rated voltage doubly.Both-way communication refers to the data that can receive and transmit, and calculates function control programmable power supply, and programmable power supply can be transferred to computing machine voltage signal.
Device for measuring force 4 described in described testing device for undervoltage tripper adopts the dynamometry instrument with peak-value-holding function; The new precious FGJ series of for example Nidec or domestic Ai Debao digital display type pull and push dynamometer HP series.
Embodiment 2
The parameter test method of the device for under-voltage releasing equipment in described embodiment 1, comprising:
The armature of step a, device for under-voltage releasing equipment to be measured 2 discharges and withstands the test position of device for measuring force, makes device for measuring force 4 obtain a primary data, and this primary data is sent to computing machine 5;
Step b, control programmable power supply 1 by described computing machine 5 output voltage from 30%*
u steps to 90%*
u, the time point that records this step is the first start time point t1, and starts timing; If described primary data diminishes or disappears, record this time point by computing machine 5 immediately, be the first response time point t2, response time Tr=t2-t1 obtains threading off; If described primary data is unchanged or described dropout response time Tr not within the scope of the standard response time of this device for under-voltage releasing equipment 2 to be measured, judge that this device for under-voltage releasing equipment 2 is defective;
Step c, control programmable power supply 1 by described computing machine 5 output voltage from 80%*
u steps to 30%* downwards
u, the time point that records this downward step is the second start time point t3, and starts timing; Described computing machine 5 is recorded the time point of tripping force generation and is detected tripping force data by device for measuring force 4, the qualified tripping force data of then these tripping force data and computing machine 5 being stored are compared, if this tripping force data qualifier, the time point that records described tripping force generation is the second response time point t4, and Td=t4-t3 retardation time that obtains threading off; If described device for measuring force 4 does not detect that qualified tripping force data or described dropout Td retardation time, not within standard retardation time of this device for under-voltage releasing equipment 2 to be measured, judge that this device for under-voltage releasing equipment 2 is defective;
The armature of steps d, release device for under-voltage releasing equipment 2, make device for measuring force 4 obtain described primary data, then the output voltage of controlling programmable power supply 1 by described computing machine 5 is from 70%*
u rises to 90%* take slope as 1/Tr linearity
u, the output voltage of corresponding programmable power supply 1 when if described primary data disappearance disappears with described primary data by computing machine 5 records in this process, be the pick-up voltage Ua of device for under-voltage releasing equipment 2, then by this pick-up voltage Ua and interior the stored standard pick-up voltage data comparison of described computing machine 5; If the dropout pick-up voltage Ua data of surveying not in standard pick-up voltage data area or not adhesive of armature, judge that this device for under-voltage releasing equipment 2 is defective;
Step e, control programmable power supply 1 by described computing machine 5 output voltage from 80%*
u drops to 30%* take slope as 1/Td linearity
u, if described device for measuring force 4 detects and has qualified tripping force data in this process, the output voltage with programmable power supply 1 corresponding when the described qualified tripping force data of generation by computing machine 5 record, be 2 drop away voltage Ur of device for under-voltage releasing equipment, and with interior the stored standard drop away voltage data comparison of described computing machine 5; If the drop away voltage Ur data of surveying not in standard drop away voltage data area, judge that this device for under-voltage releasing equipment 2 is defective.
The voltage range in each stage and rise and fall speed in embodiment 2, all can in computing machine, set programmable power supply 1, strengthen the measurement kind of measuring device for under-voltage releasing equipment, because programmable power supply 1 has output 0V function, be equally applicable to completely for zero-pressure (decompression) type device for under-voltage releasing equipment and the test of shunt release and the performance test of conventional electromagnet again.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And these belong to apparent variation that spirit of the present invention extended out or variation still among protection scope of the present invention.
Claims (1)
1. a device for under-voltage releasing equipment parameter test method, comprising:
The armature of step a, device for under-voltage releasing equipment to be measured (2) discharges and withstands the test position of device for measuring force, makes device for measuring force (4) obtain a primary data, and this primary data is sent to computing machine (5);
Step b, by described computing machine (5) control programmable power supply (1) output voltage from 30%*
u steps to 90%*
u, the time point that records this step is the first start time point t1, and starts timing; If described primary data diminishes or disappears, record this time point by computing machine (5) immediately, be the first response time point t2, response time Tr=t2-t1 obtains threading off; If described primary data is unchanged or described dropout response time Tr not within the scope of the standard response time of this device for under-voltage releasing equipment to be measured (2), judge that this device for under-voltage releasing equipment (2) is defective; Described U is device for under-voltage releasing equipment rated operational voltage;
Step c, by described computing machine (5) control programmable power supply (1) output voltage from 80%*
u steps to 30%* downwards
u, the time point that records this downward step is the second start time point t3, and starts timing; Described computing machine (5) is recorded the time point of tripping force generation and is detected tripping force data by device for measuring force (4), then the qualified tripping force data of these tripping force data and computing machine (5) storage are compared, if this tripping force data qualifier, the time point that records described tripping force generation is the second response time point t4, and Td=t4-t3 retardation time that obtains threading off; If described device for measuring force (4) does not detect that qualified tripping force data or described dropout Td retardation time, not within standard retardation time of this device for under-voltage releasing equipment to be measured (2), judge that this device for under-voltage releasing equipment (2) is defective;
The armature of steps d, release device for under-voltage releasing equipment (2), makes device for measuring force (4) obtain described primary data, then the output voltage of controlling programmable power supply (1) by described computing machine (5) is from 70%*
u rises to 90%* take slope as 1/Tr linearity
u, the output voltage of corresponding programmable power supply (1) when if described primary data disappearance disappears with described primary data by computing machine (5) record in this process, be the pick-up voltage Ua of device for under-voltage releasing equipment (2), then by the standard pick-up voltage data comparison of storing in this pick-up voltage Ua and described computing machine (5); If the dropout pick-up voltage Ua data of surveying not in standard pick-up voltage data area or not adhesive of armature, judge that this device for under-voltage releasing equipment (2) is defective;
Step e, by described computing machine (5) control programmable power supply (1) output voltage from 80%*
u drops to 30%* take slope as 1/Td linearity
u, if described device for measuring force (4) detects and has qualified tripping force data in this process, the output voltage with programmable power supply (1) corresponding when the described qualified tripping force data of generation by computing machine (5) record, be (2) drop away voltage Ur of device for under-voltage releasing equipment, and with described computing machine (5) in the standard drop away voltage data comparison of storing; If the drop away voltage Ur data of surveying not in standard drop away voltage data area, judge that this device for under-voltage releasing equipment (2) is defective.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210035214.3A CN102565697B (en) | 2012-02-16 | 2012-02-16 | Testing device for undervoltage tripper |
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| CN201210035214.3A CN102565697B (en) | 2012-02-16 | 2012-02-16 | Testing device for undervoltage tripper |
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| CN102565697B true CN102565697B (en) | 2014-05-28 |
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| CN103854711B (en) * | 2012-12-07 | 2016-06-29 | 中国核动力研究设计院 | A kind of method of analytical reactions heap shutdown breaker opening times performance |
| CN104833509B (en) * | 2015-05-18 | 2018-08-14 | 上虞市舜兴电力有限公司 | A kind of detection device of SF6 on-load switches mechanical transmission mechanism |
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| CN2773707Y (en) * | 2004-12-31 | 2006-04-19 | 河北工业大学 | Small circuit breaker reliability experimental instrument |
| CN201615939U (en) * | 2009-03-17 | 2010-10-27 | 北京Abb高压开关设备有限公司 | Circuit breaker testing equipment and control system thereof |
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| ATE389888T1 (en) * | 2002-05-29 | 2008-04-15 | Imec Vzw Interuniversitair Mic | DEVICE AND METHOD FOR DETERMINING THE PERFORMANCE OF MICROMACHINERY OR MICROELECTROMECHANICAL COMPONENTS |
| JP4721882B2 (en) * | 2005-11-25 | 2011-07-13 | 中国電力株式会社 | Circuit breaker contact wear monitoring system, circuit breaker maintenance support method, and program |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773707Y (en) * | 2004-12-31 | 2006-04-19 | 河北工业大学 | Small circuit breaker reliability experimental instrument |
| CN201615939U (en) * | 2009-03-17 | 2010-10-27 | 北京Abb高压开关设备有限公司 | Circuit breaker testing equipment and control system thereof |
Non-Patent Citations (5)
| Title |
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| JP特开2007-149458A 2007.06.14 |
| 万能式断路器用欠电压脱扣器设计;赵鹏等;《低压电器》;20101231(第21期);全文 * |
| 吴志祥.基于ATtiny 单片机的永磁型欠压脱扣器的设计.《工矿自动化》.2008,(第6期),全文. |
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Inventor after: Zhou Xiangcai Inventor after: Wu Zhixiang Inventor before: Wu Zhixiang |
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Free format text: CORRECT: INVENTOR; FROM: WU ZHIXIANG TO: ZHOU XIANGCAI WU ZHIXIANG |
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