CN201697996U - Withstand voltage and leakage testing device for insulated safety device - Google Patents
Withstand voltage and leakage testing device for insulated safety device Download PDFInfo
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- CN201697996U CN201697996U CN2010201153124U CN201020115312U CN201697996U CN 201697996 U CN201697996 U CN 201697996U CN 2010201153124 U CN2010201153124 U CN 2010201153124U CN 201020115312 U CN201020115312 U CN 201020115312U CN 201697996 U CN201697996 U CN 201697996U
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Abstract
The utility model relates to a testing device for testing electrical performance of withstand voltage and leakage of an insulated safety device, which belongs to the field of electrical testing instruments and comprises an operation control case, a testing transformer, a testing machine and a testing bracket below the testing machine. The control case is provided with a stepping motor voltage regulation unit, a radio receiving element and a display unit connected on a single chip microcomputer. The testing machine is provided with a multiplex high-voltage testing unit and is connected with the single chip microcomputer through a digital-analog conversion unit. The single chip microcomputer is also connected with a radio transmitting unit. A testing high voltage loading unit on the testing machine is connected with the ampere meter testing module of each of the multiplex high-voltage testing unit. The stepping motor voltage regulation unit of the control case is connected with the input end of the testing transformer through a cable, and the output end of the testing transformer is connected with the testing high voltage loading unit of the testing machine.
Description
Technical field
The utility model relates to electric test instrument field, relates in particular to the electric performance test device that the insulation safety device is carried out withstand voltage leakage.
Background technology
The withstand voltage leakage tester of insulation safety utensil is the electric insulation strength tester again or is the dielectric strength tester, and the dielectric breakdown of title device, dielectric strength tester, High-Voltage Experimentation instrument, high-voltage breakdown device, pressure-resistant tester etc. are also arranged.It is that regulation interchange or high direct voltage are applied to the test that can bear voltage endurance capability between electrical equipment live part and the non-live part (being generally shell) with the insulating material of checking electrical equipment.Complete device is in long-term work because electrical equipment or other insulate, not only to bear the effect of rated operational voltage, also will bear the superpotential effect that is higher than rated operational voltage (overvoltage value may be higher than several times of rated operational voltage value) that causes the short time in the operating process.Under the effect of these voltages, the inner structure of insulating material will change.When having served as voltage strength and reaching certain certain value, will make the insulation breakdown of material, electrical equipment can not normally move, and the operator just may get an electric shock, and jeopardizes personal safety.
The ultimate principle of Hi-pot Tester: a voltage that is higher than operate as normal is added on the insulator of equipment under test, and continues one section official hour, if insulativity therebetween is enough good, the voltage of superimposed just only can produce very little leakage current.If an equipment under test insulator is in official hour, its leakage current keeps within the limits prescribed, just can determine that this equipment under test can safe operation under normal service condition.
Existing withstand voltage leakage tester adopts para tape to be hung in aerial one one test basically, and efficient is low, and tests lack of standardization.And what existing tester use was more is the individual event test index testing tool of mesa structure, can not satisfy the demand of the many index comprehensives tests of user's needs; And the many employings of Hi-pot Tester in the market is traditional method of testing, measuring accuracy is not high, technology that adopts and main performance index and country and international standard have a certain distance, can not satisfy the needs of the electrical safety performance test job of development at present fully.Therefore research meet up-to-date country and international standard, sophistication and to have a pressure-resistant test system of better performance index significant.
The utility model content
Therefore, at the problems referred to above, the utility model is according on the basis of State Power Corporation about the requirement of the notice of issuing " electric power safety Work tool preventive trial rules " (trying) (state's electricity is sent out [2002] No. 777), proposes the withstand voltage leakage tester of insulation safety utensil that a kind of every index all can meet the requirement of GB.It can carry out the test of mass dielectric voltage withstand to electroscope, brake pull-rod, insulating bar, phasing tester or the like managing security tools and instruments by " electric power safety Work tool preventive trial rules " requirement, do not allow in the process of the test to puncture or burn and be defective, product is applicable to all and electric power relevant industries.
The technical solution of the utility model is:
The withstand voltage leakage tester of insulation safety utensil of the present utility model comprises: the test bracket (40) of operation control box (10), testing transformer (20), testing experiment machine (30) and test machine below.Described control box (10) is provided with the stepper motor pressure regulation unit (104) that is connected on the single-chip microcomputer (102), radio receiving unit (101) and display unit (103), described testing experiment machine (30) is provided with multichannel Hi-pot test unit (3051, ... 305n), be connected in single-chip microcomputer (302) by the D/A conversion unit (303) that connects, described single-chip microcomputer (302) also is connected with wireless transmitting unit (301), Hi-pot test unit (3051, ... 305n) comprise the leakage current collection processing module (30511) that connects successively, reometer test module (30512) and tripping mechanism (30513), testing high voltage loading unit (304) on the described testing experiment machine (30) is connected in each Hi-pot test unit, road (3051, ... reometer test module 305n), described control box (10) stepper motor pressure regulation unit (104) is connected in the input end of described testing transformer (20) by cable, and the output terminal of described testing transformer (20) also is connected in the testing high voltage loading unit (304) of described testing experiment machine (30) by cable.
Further, described wireless transmitting unit (301) and radio receiving unit (101) are the radio receiving units of the wireless transmitting unit and the digital signal of digital signal.
Further, described tripping mechanism (30513) is the electromagnet deduction structure that is arranged on the described testing experiment machine (30).
Further, a high pressure chain test electrode is hung in adhesive on the described electromagnet deduction structure.
Further, described test bracket (40) comprises the ground connection pallet (402) of insulation cross bar (401) and below, and the testing experiment tube (403) on the ground connection pallet (402), described insulation cross bar (401) is provided with kicker magnet (4011) corresponding to the position of tripping mechanism (30513).
Further, described testing experiment tube (403) is divided into the compartment of respective amount corresponding to the position of tripping mechanism (30513).
Further, described testing experiment machine (30) also is provided with a plurality of display units (306), and be connected to each Hi-pot test unit, road (3051 ... the single-chip microcomputer (302) on reometer test module 305n) and its.
The utlity model has following advantage:
1. withstand voltage leakage current table is installed in the high-pressure side and can keeps out puncture and do not damage, and can intuitively reflect the testing current value of high pressure.
2. device of the present utility model can carry out the test of 8 or more insulated shoes or insulating glove simultaneously, and can survey the leakage current of measuring every test product simultaneously in high pressure survey and low pressure, and transmit back control box by wireless digital and realize data storage, print and report generation automatically, have higher efficient and more intelligentized operation.
3. high-low pressure separates, and leakage current adopts the anti-interference wireless transmission technology to transmit back control box, greatly the safety of the protection person.
4. the insulating support of device of the present utility model by high compressive resistance supports, and high-field electrode holds by button magnet, and when any one the tunnel punctures or surpass when setting leakage current values, this road test product does not influence the carrying out of other drive tests examinations with automatic ablation experiment.
5. device of the present utility model adopts the large-screen lc Chinese character to show that the display message amount is big, and a screen shows parameter and character reminding contents such as trial voltage, multichannel high-voltage leakage current, timing time simultaneously.
Description of drawings
Fig. 1 is a connection diagram of the present utility model;
Fig. 2 is a schematic block circuit diagram of the present utility model;
Fig. 3 is the electrical schematics of the part of detecting of test machine of the present utility model.
Embodiment
Now with embodiment the utility model is further specified in conjunction with the accompanying drawings.
Consult shown in Figure 1ly, the withstand voltage leakage tester of insulation safety utensil of the present utility model comprises: the test bracket 40 of operation control box 10, testing transformer 20, testing experiment machine 30 and test machine below.Consult shown in Figure 2, described control box 10 is provided with the stepper motor pressure regulation unit 104 that is connected on the single-chip microcomputer 102, radio receiving unit 101 and display unit 103, described testing experiment machine 30 is provided with multichannel Hi-pot test unit 3051, ... 305n, be connected in single-chip microcomputer 302 by the D/A conversion unit 303 that connects, described single-chip microcomputer 302 also is connected with wireless transmitting unit 301, Hi-pot test unit 3051, ... 305n comprises the leakage current collection processing module 30511 that connects successively, reometer test module 30512 and tripping mechanism 30513, testing high voltage loading unit 304 on the described testing experiment machine 30 is connected in each Hi-pot test unit, road 3051, ... the reometer test module of 305n, described control box 10 stepper motor pressure regulation unit 104 are connected in the input end of described testing transformer 20 by cable, and the output terminal of described testing transformer 20 also is connected in the testing high voltage loading unit 304 of described testing experiment machine 30 by cable.
Described wireless transmitting unit 301 and radio receiving unit 101 are radio receiving units of the wireless transmitting unit and the digital signal of digital signal.Wireless transmit that can be by digital signal and accept the unit adopts the anti-interference wireless transmission technology transmit back control box the leakage current of test, realizes that high-pressure and low-pressure isolates, and protects personal safety greatly.Described testing experiment machine 30 also is provided with a plurality of display units 306, and be connected to each Hi-pot test unit, road 3051 ... the single-chip microcomputer 302 on the reometer test module of 305n and its.Can distinguish the testing experiment current value that shows each Hi-pot test unit, road intuitively separately by display unit 306.
Consult shown in Figure 3, the test high pressure of the output terminal of testing transformer 20 is loaded on each Hi-pot test unit, road road of testing experiment machine 30, and test its leakage current value by the reometer test module, when the leakage current value of test surpasses preset value, represent that then insulation safety utensil withstand voltage to be measured does not meet relevant criterion, then trigger trip gear, ending its test carries out, and, the mode of data by radiowave sent by the wireless digital signal transmitter unit by after the data processing of single-chip microcomputer.
Described tripping mechanism 30513 is the electromagnet deduction structures that are arranged on the described testing experiment machine 30.A high pressure chain test electrode is hung in adhesive on the described electromagnet deduction structure, and stretches in the insulation safety utensil to be tested (as insulated shoes or insulating glove).When any one the tunnel punctures or surpass when setting leakage current values, the tripping mechanism of this road test product comes off, and with automatic ablation experiment, does not influence the carrying out that other drive tests are had a try and tested.
Consult shown in Figure 1ly, described test bracket 40 comprises the ground connection pallet 402 of insulation cross bar 401 and below, and the testing experiment tube 403 on the ground connection pallet 402, and described insulation cross bar 401 is provided with kicker magnet 4011 corresponding to the position of tripping mechanism 30513.Described testing experiment tube 403 is divided into the compartment of respective amount corresponding to the position of tripping mechanism 30513.When any one tunnel of test punctures or surpass when setting leakage current values, electromagnet deduction structure discharges high pressure chain test electrode and can be held by kicker magnet 4011 (but the iron chains of magnetic conduction or stainless steel chain), and can directly not drop in the water of testing experiment tube 403.Ground connection pallet 402 ground connection, therefore testing experiment tube 403 placed on it and place the electrical ground connection of insulation safety utensil in testing experiment tube 403 respective compartment can form the electric potential difference of high pressure with the test electrode of the high pressure chain of tape test high pressure in the insulation safety utensil.
Preferably, the utility model is to adopt 8 tunnel Hi-pot test unit, respectively distributes respectively 4 the tunnel to be arranged at described testing experiment machine 30 both sides.Therefore corresponding, 2 testing experiment tubes 403 are divided into 4 compartments respectively, are positioned on the ground connection pallet 402.
Main test product of the present utility model is the test of insulated shoes, insulating glove, adds to join insulating support and also can realize: the test of security apparatus such as capacitor type electroscope, insulating bar, phasing tester.When test during insulated shoes, can adopt the dry testing method of placing little steel ball in the insulated shoes the inside, utilize the electric conductivity of little steel ball to carry out testing experiment, broken away from traditional pouring water in the shoes and done experiment, test the way that is difficult for drying after finishing.The dynamo-electric electric current of measuring of testing experiment adopts high-low pressure corresponding mutually in real time relatively, guarantees the accuracy of measuring voltage current value.And realized the high-low pressure separation, leakage current adopts the anti-interference wireless transmission technology to transmit back control box, greatly the safety of the protection person.The Hi-pot test unit, every road of testing experiment machine all has disjunction mechanism, and when any one the tunnel punctures or surpass when setting leakage current values, this road test product does not influence the carrying out of test with automatic ablation experiment.The utility model adopts the large-screen lc Chinese character to show that the display message amount is big, and a screen shows parameter and character reminding contents such as trial voltage, 8 road high-voltage leakage currents, timing time simultaneously.Operation control box of the present utility model adopts the step motor control pressure regulator of the high fineness process of boosting, and automatically carries out withstand voltage test.After on-test, the instrument automatic closing requires the rate of rise to boost automatically with GB, the arrival predetermined voltage picks up counting, and keep trial voltage, timing to, step-down automatically, to the outage automatically of zero back, prompting off-test, show each test product leakage current simultaneously, and preserve test result automatically, and the no-load voltage ratio of operation control box freely sets, and can complement one another with the existing testing transformer of client.And the utility model also has defencive functions such as overcurrent, puncture.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection domain of the present utility model.
Claims (7)
1. the withstand voltage leakage tester of insulation safety utensil, comprise operation control box (10), testing transformer (20), the test bracket (40) of testing experiment machine (30) and test machine below, it is characterized in that: described control box (10) is provided with the stepper motor pressure regulation unit (104) that is connected on the single-chip microcomputer (102), radio receiving unit (101) and display unit (103), described testing experiment machine (30) is provided with multichannel Hi-pot test unit (3051, ... 305n), be connected in single-chip microcomputer (302) by the D/A conversion unit (303) that connects, described single-chip microcomputer (302) also is connected with wireless transmitting unit (301), Hi-pot test unit (3051, ... 305n) comprise the leakage current collection processing module (30511) that connects successively, reometer test module (30512) and tripping mechanism (30513), testing high voltage loading unit (304) on the described testing experiment machine (30) is connected in each Hi-pot test unit, road (3051, ... reometer test module 305n), described control box (10) stepper motor pressure regulation unit (104) is connected in the input end of described testing transformer (20) by cable, and the output terminal of described testing transformer (20) also is connected in the testing high voltage loading unit (304) of described testing experiment machine (30) by cable.
2. the withstand voltage leakage tester of insulation safety utensil according to claim 1 is characterized in that: described wireless transmitting unit (301) and radio receiving unit (101) are the radio receiving units of the wireless transmitting unit and the digital signal of digital signal.
3. the withstand voltage leakage tester of insulation safety utensil according to claim 1 is characterized in that: described tripping mechanism (30513) is the electromagnet deduction structure that is arranged on the described testing experiment machine (30).
4. the withstand voltage leakage tester of insulation safety utensil according to claim 3 is characterized in that: a high pressure chain test electrode is hung in adhesive on the described electromagnet deduction structure.
5. the withstand voltage leakage tester of insulation safety utensil according to claim 1, it is characterized in that: described test bracket (40) comprises the ground connection pallet (402) of insulation cross bar (401) and below, and the testing experiment tube (403) on the ground connection pallet (402), described insulation cross bar (401) is provided with kicker magnet (4011) corresponding to the position of tripping mechanism (30513).
6. the withstand voltage leakage tester of insulation safety utensil according to claim 5 is characterized in that: described testing experiment tube (403) is divided into the compartment of respective amount corresponding to the position of tripping mechanism (30513).
7. the withstand voltage leakage tester of insulation safety utensil according to claim 1, it is characterized in that: described testing experiment machine (30) also is provided with a plurality of display units (306), and be connected to each Hi-pot test unit, road (3051 ... the single-chip microcomputer (302) on reometer test module 305n) and its.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201153124U CN201697996U (en) | 2010-02-04 | 2010-02-04 | Withstand voltage and leakage testing device for insulated safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201153124U CN201697996U (en) | 2010-02-04 | 2010-02-04 | Withstand voltage and leakage testing device for insulated safety device |
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| Publication Number | Publication Date |
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| CN201697996U true CN201697996U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201153124U Expired - Fee Related CN201697996U (en) | 2010-02-04 | 2010-02-04 | Withstand voltage and leakage testing device for insulated safety device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435861A (en) * | 2011-10-31 | 2012-05-02 | 上海思源电力电容器有限公司 | Capacitor element detection system and method |
| CN103278716A (en) * | 2013-05-22 | 2013-09-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Reliability detecting system and method of direct current transmission current changing variable network side sleeve |
| CN104101822A (en) * | 2014-07-31 | 2014-10-15 | 国家电网公司 | Wireless testing transformer control device |
| CN104635132A (en) * | 2015-03-07 | 2015-05-20 | 国网宁夏电力公司固原供电公司 | Equipment for withstand voltage test of insulation tools and instruments |
| CN104950149A (en) * | 2014-03-24 | 2015-09-30 | 国家电网公司 | Electronic power-frequency voltage-withstand test voltage-regulating device, test wiring circuit and test voltage-regulating method |
| CN105353278A (en) * | 2015-10-26 | 2016-02-24 | 中国十七冶集团有限公司 | Crown block high-voltage power supply system electrical equipment whole alternating-current withstand voltage testing method |
| CN105425130A (en) * | 2015-12-25 | 2016-03-23 | 国网山东省电力公司青岛供电公司 | Live operation tool test system and method |
| CN105445632A (en) * | 2015-12-23 | 2016-03-30 | 国网山东省电力公司青岛供电公司 | Insulation breakdown detection device and method |
| CN110957675A (en) * | 2019-11-22 | 2020-04-03 | 国家电网有限公司 | Withstand voltage testing device for underground cable laying |
| CN111273143A (en) * | 2020-03-23 | 2020-06-12 | 上海恒能泰企业管理有限公司璞能电力科技工程分公司 | Automatic test equipment for voltage resistance and leakage current of insulating boot insulating gloves |
| CN112213575A (en) * | 2020-09-08 | 2021-01-12 | 国网福建省电力有限公司检修分公司 | Electrical test prevents accidental injury device |
| CN114137259A (en) * | 2021-11-25 | 2022-03-04 | 经续检验技术(东莞)有限公司 | Steel ball type insulation strength cyclic detection equipment, detection system and detection method |
-
2010
- 2010-02-04 CN CN2010201153124U patent/CN201697996U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435861B (en) * | 2011-10-31 | 2013-09-11 | 上海思源电力电容器有限公司 | Capacitor component detection system and method |
| CN102435861A (en) * | 2011-10-31 | 2012-05-02 | 上海思源电力电容器有限公司 | Capacitor element detection system and method |
| CN103278716A (en) * | 2013-05-22 | 2013-09-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Reliability detecting system and method of direct current transmission current changing variable network side sleeve |
| CN103278716B (en) * | 2013-05-22 | 2015-10-28 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of reliability detection system of DC transmission converter transformer grid-side sleeve pipe and method |
| CN104950149B (en) * | 2014-03-24 | 2018-04-20 | 国家电网公司 | Electronic working frequency pressure test regulator, test connection circuit and experiment pressure regulation method |
| CN104950149A (en) * | 2014-03-24 | 2015-09-30 | 国家电网公司 | Electronic power-frequency voltage-withstand test voltage-regulating device, test wiring circuit and test voltage-regulating method |
| CN104101822A (en) * | 2014-07-31 | 2014-10-15 | 国家电网公司 | Wireless testing transformer control device |
| CN104635132A (en) * | 2015-03-07 | 2015-05-20 | 国网宁夏电力公司固原供电公司 | Equipment for withstand voltage test of insulation tools and instruments |
| CN105353278A (en) * | 2015-10-26 | 2016-02-24 | 中国十七冶集团有限公司 | Crown block high-voltage power supply system electrical equipment whole alternating-current withstand voltage testing method |
| CN105353278B (en) * | 2015-10-26 | 2018-03-06 | 中国十七冶集团有限公司 | A kind of overhead traveling crane high voltage supply system electrical equipment whole group ac voltage withstanding test method |
| CN105445632A (en) * | 2015-12-23 | 2016-03-30 | 国网山东省电力公司青岛供电公司 | Insulation breakdown detection device and method |
| CN105425130A (en) * | 2015-12-25 | 2016-03-23 | 国网山东省电力公司青岛供电公司 | Live operation tool test system and method |
| CN110957675A (en) * | 2019-11-22 | 2020-04-03 | 国家电网有限公司 | Withstand voltage testing device for underground cable laying |
| CN111273143A (en) * | 2020-03-23 | 2020-06-12 | 上海恒能泰企业管理有限公司璞能电力科技工程分公司 | Automatic test equipment for voltage resistance and leakage current of insulating boot insulating gloves |
| CN112213575A (en) * | 2020-09-08 | 2021-01-12 | 国网福建省电力有限公司检修分公司 | Electrical test prevents accidental injury device |
| CN114137259A (en) * | 2021-11-25 | 2022-03-04 | 经续检验技术(东莞)有限公司 | Steel ball type insulation strength cyclic detection equipment, detection system and detection method |
| CN114137259B (en) * | 2021-11-25 | 2024-04-02 | 经续检验技术(东莞)有限公司 | Steel ball type insulation strength circulating detection equipment, detection system and detection method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130204 |