CN103578340A - High voltage electric safety body feeling testing device - Google Patents
High voltage electric safety body feeling testing device Download PDFInfo
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- CN103578340A CN103578340A CN201210248371.2A CN201210248371A CN103578340A CN 103578340 A CN103578340 A CN 103578340A CN 201210248371 A CN201210248371 A CN 201210248371A CN 103578340 A CN103578340 A CN 103578340A
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Abstract
The invention discloses a high voltage electric safety body feeling testing device. A voltage regulating module of the device adopts electric elements to establish a starting and stopping circuit to provide power for a voltage regulator so that an adjustable output voltage is obtained. The input end of a control module is connected with the output end of the voltage regulating module, and the electric elements are adopted to establish the starting and stopping circuit to provide power for a first intermediate transformer primary coil. Voltage of a first intermediate transformer secondary coil is reflected via a voltmeter. A breaker and a relay are adopted to simulate inverse power transmission of a transformer. Voltage and state of inverse power transmission are reflected via the voltmeter and an indicating lamp. The control module provides voltage for a voltage-boosting simulation module via a second intermediate transformer. Voltage of the voltage-boosting simulation module is boosted via a voltage-boosting transformer, and DC high voltage is obtained via a high voltage rectification silicon stack and a high voltage pulse capacitor. A condition of electric shook is simulated via a simulation electric shock unit. Hazards of high voltage electric shock of a high voltage electric device are simulated so that body feeling education of electric shock hazards is obtained, safety consciousness is enhanced and safe operation of production and life are ensured.
Description
Technical field
The present invention relates to the safe body sense of a kind of high-voltage electrical apparatus test unit.
Background technology
Development along with social modernization, the application of electric power has been deep into social every field, it brings greatly easily simultaneously to people's social production and life, also can use because of people that electric power is improper causes electric injury, same high voltage electric equipment falls power transmission or insulation damages and can produce high voltage, also can cause the direct or indirect high voltage electrical injury accident of people to occur.High voltage electric equipment is the equipment that electric operation personnel routine work often contacts and uses, once misoperation of electrical equipment or insulation of electrical installation damage, will produce high voltage, and people contact this class high voltage electric equipment will produce injury.Therefore in order to warn and train related personnel, make related personnel have perceptual understanding to high-voltage electrical apparatus injury accident, the safe body sense test of high-voltage electrical apparatus is effective method.In the technical field of high-voltage electrical apparatus safety, not yet there is such special test unit at present.
Summary of the invention
Technical matters to be solved by this invention is to provide the safe body sense of a kind of high-voltage electrical apparatus test unit, this test unit can simulated high-pressure electrical equipment falls the harm of getting an electric shock of the high voltage of power transmission and insulation damages, make related personnel there is enough warnings to such harm, experience high voltage electric shock and people is produced to the body sense education of strong injury, improve awareness of safety, guarantee that the safety of production and life is carried out.
For solving the problems of the technologies described above, the safe body sense of high-voltage electrical apparatus of the present invention test unit comprises voltage regulating module, control module and the analog module that boosts;
Described voltage regulating module comprises main breaker, the first contactor, overcurrent relay, pressure regulator, the first start button, the first stop button, first starts pilot lamp, first stops pilot lamp, the first voltage table and reometer, two upper pile crowns of described main breaker connect both ends of power, described the first contactor is with a pair of synchronous normally opened contact, a normally opened contact and a normally closed contact, described the first stop button, the first start button, the first contactor coil and overcurrent relay normally closed contact are connected in series two lower pile crowns of the described main breaker of rear connection successively, a normally opened contact of described the first contactor is parallel to described the first start button two ends, described first starts pilot lamp is parallel on described the first contactor coil and overcurrent relay normally closed contact, a normally closed contact of described the first contactor stops rear two the lower pile crowns that are connected described main breaker of pilot lamp series connection with described first, described pressure regulator coil two ends connect respectively two lower pile crowns of described main breaker by a pair of synchronous normally opened contact of described the first contactor, described reometer one end and the slider that is connected described pressure regulator after the series connection of overcurrent relay coil, the described reometer other end and described pressure regulator coil one end are voltage regulating module output terminal, described the first voltage table is parallel to voltage regulating module output terminal,
Described control module comprises the first isolating switch, the second isolating switch, the 3rd isolating switch, the second contactor, the first intermediate transformer, the second intermediate transformer, the first relay, the second relay, the second start button, the second stop button, second starts pilot lamp, second stops pilot lamp, second voltage table, tertiary voltage table, the 4th voltage table, the first status indicator lamp, the second status indicator lamp, third state pilot lamp and the 4th status indicator lamp, described the second contactor is with a pair of synchronous normally opened contact, a normally opened contact and a normally closed contact, described the first isolating switch and the second isolating switch are respectively with normally opened contact He Yi road, a road normally closed contact, described the 3rd isolating switch is with the synchronous normally opened contact of two-way, described the first relay and the second relay are respectively with a normally opened contact, described the second stop button, the second start button is connected the output terminal of described voltage regulating module by fuse after connecting successively with the second contactor coil, a normally opened contact of described the second contactor is parallel to described the second start button two ends, described second starts pilot lamp is parallel to described the second contactor coil two ends, the normally closed contact of described the second contactor and described second stops the rear output terminal that is connected described voltage regulating module of pilot lamp series connection, described the first intermediate transformer primary coil connects the output terminal of described voltage regulating module, described second voltage table connects the secondary coil two ends of described the first intermediate transformer by a pair of synchronous normally opened contact of described the second contactor, described the first isolating switch Yi road normally opened contact and the output terminal that is connected described voltage regulating module after described the first relay coil series connection, described the second isolating switch Yi road normally opened contact and the output terminal that is connected described voltage regulating module after described the second relay coil series connection, described the first status indicator lamp is parallel to described the first relay coil two ends, described the second status indicator lamp and tertiary voltage table are parallel to respectively described the second relay coil two ends, the normally opened contact of described the first relay, the normally opened contact of the second relay is connected the output terminal of described voltage regulating module after connecting successively with the 4th voltage table, described the first isolating switch Yi road normally closed contact and the output terminal that is connected described voltage regulating module after described third state pilot lamp series connection, described the second isolating switch Yi road normally closed contact and the output terminal that is connected described voltage regulating module after described the 4th status indicator lamp series connection, the primary coil two ends of described the second intermediate transformer connect the output terminal of described voltage regulating module by the two-way normally opened contact of described the 3rd isolating switch, the output terminal that the secondary coil two ends of described the second intermediate transformer are control module,
The described analog module that boosts comprises step-up transformer, high-voltage rectification silicon stack, high-voltage pulse electric capacity and simulation electric shock unit, the primary coil two ends of described step-up transformer connect the output terminal of described control module, described high-voltage rectification silicon stack and the secondary coil two ends that are connected described step-up transformer after described high-voltage pulse electric capacity series connection, described simulation electric shock unit and described high-voltage pulse electric capacity are connected in parallel.
Further, above-mentioned simulation electric shock unit comprises high-pressure side conductor and simulation staff, boost described in described high-pressure side conductor the connects high-pressure side of analog module, the earth terminal of the analog module that boosts described in described simulation staff connects also comes close to or in contact with described high-pressure side conductor gradually.
Because the safe body sense of high-voltage electrical apparatus of the present invention test unit has adopted technique scheme, this test unit comprises voltage regulating module, control module and the analog module that boosts; Voltage regulating module builds startup by employing electrical equipment and halt circuit provides pressure regulator power supply, obtains adjustable output voltage, and provide effective circuit protection by overcurrent relay by pressure regulator; Control module input end connects voltage regulating module output terminal and by adopting electrical equipment to build to start and halt circuit provides the first intermediate transformer primary coil power supply, by voltage table, reflect the first intermediate transformer secondary coil voltage, adopt isolating switch and relay analogue transformer to fall power transmission simultaneously, by voltage table and pilot lamp reflection transformer, fall voltage and the state of power transmission; Control module provides by the second intermediate transformer the analog module voltage that boosts, and the analog module that boosts obtains high direct voltage by step-up transformer boosted voltage and after high-voltage rectification silicon stack and high-voltage pulse electric capacity, and through simulation electric shock unit simulation electric shock situation.This test unit can simulated high-pressure electrical equipment falls the harm of getting an electric shock of the high voltage of power transmission and insulation damages, make related personnel there is enough warnings to such harm, experience high voltage electric shock and people is produced to the body sense education of strong injury, improve awareness of safety, guarantee that the safety of production and life is carried out.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is the circuit diagram of voltage regulating module in this test unit;
Fig. 2 is the circuit diagram of control module in this test unit;
Fig. 3 is the circuit diagram of the analog module that boosts in this test unit.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the safe body sense of high-voltage electrical apparatus of the present invention test unit comprises voltage regulating module, control module and the analog module that boosts;
Described voltage regulating module comprises main breaker QF, the first contactor 1KM, overcurrent relay LJ, pressure regulator T, the first start button SB2, the first stop button SB1, first starts pilot lamp HL1, first stops pilot lamp HL2, the first voltage table PV1 and reometer PA, two upper pile crowns of described main breaker QF connect both ends of power, described the first contactor 1KM is with a pair of synchronous normally opened contact 1KM1, a normally opened contact 1KM2 and a normally closed contact 1KM3, described the first stop button SB1, the first start button SB2, the normally closed contact LJ1 of the first contactor 1KM coil and overcurrent relay LJ is connected in series two lower pile crowns of the described main breaker QF of rear connection successively, a normally opened contact 1KM2 of described the first contactor 1KM is parallel to described the first start button SB2 two ends, described first starts pilot lamp HL1 is parallel on described the first contactor 1KM1 coil and overcurrent relay normally closed contact LJ1, a normally closed contact 1KM3 of described the first contactor 1KM stops rear two the lower pile crowns that are connected described main breaker QF of pilot lamp HL2 series connection with described first, described pressure regulator T coil two ends connect respectively two lower pile crowns of described main breaker QF by a pair of synchronous normally opened contact 1KM1 of described the first contactor 1KM, described reometer PA one end and the slider that is connected described pressure regulator T after the series connection of overcurrent relay LJ coil, the described reometer PA other end and described pressure regulator T coil one end are voltage regulating module output terminal, described the first voltage table PV1 is parallel to voltage regulating module output terminal,
Described control module comprises the first isolating switch, the second isolating switch, the 3rd isolating switch, the second contactor 2KM, the first intermediate transformer T1, the second intermediate transformer T2, the first relay K A1, the second relay K A2, the second start button 2SB, the second stop button 1SB, second starts pilot lamp 1HL, second stops pilot lamp 2HL, second voltage table PV2, tertiary voltage table PV3, the 4th voltage table PV4, the first status indicator lamp 1HL1, the second status indicator lamp 2HL1, third state pilot lamp 1HL2 and the 4th status indicator lamp 2HL2, described the second contactor 2KM is with a pair of synchronous normally opened contact 2KM1, a normally opened contact 2KM2 and a normally closed contact 2KM3, described the first isolating switch and the second isolating switch are respectively with a road normally opened contact QF11, QF21 He Yi road normally closed contact QF12, QF22, described the 3rd isolating switch is with the synchronous normally opened contact QF31 of two-way, described the first relay K A1 and the second relay K A2 are respectively with a normally opened contact KA11, KA21, described the second stop button 1SB, after connecting successively with the second contactor 2KM coil, the second start button 2SB is connected the output terminal of described voltage regulating module by fuse FU, a normally opened contact 2KM2 of described the second contactor 2KM is parallel to described the second start button 2SB two ends, described second starts pilot lamp 1HL is parallel to described the second contactor 2KM coil two ends, the normally closed contact 2KM3 of described the second contactor 2KM and described second stops the rear output terminal that is connected described voltage regulating module of pilot lamp 2HL series connection, described the first intermediate transformer T1 primary coil connects the output terminal of described voltage regulating module, described second voltage table PV2 connects the secondary coil two ends of described the first intermediate transformer T1 by a pair of synchronous normally opened contact 2KM1 of described the second contactor 2KM, described the first isolating switch Yi road normally opened contact QF11 and the output terminal that is connected described voltage regulating module after described the first relay K A1 coil series connection, described the second isolating switch Yi road normally opened contact QF21 and the output terminal that is connected described voltage regulating module after described the second relay K A2 coil series connection, described the first status indicator lamp 1HL1 is parallel to described the first relay K A1 coil two ends, described the second status indicator lamp 2HL1 and tertiary voltage table PV3 are parallel to respectively described the second relay K A2 coil two ends, the normally opened contact KA11 of described the first relay K A1, the normally opened contact KA21 of the second relay K A2 is connected the output terminal of described voltage regulating module after connecting successively with the 4th voltage table PV4, described the first isolating switch Yi road normally closed contact QF12 and the output terminal that is connected described voltage regulating module after described third state pilot lamp 1HL2 series connection, described the second isolating switch Yi road normally closed contact QF22 and the output terminal that is connected described voltage regulating module after described the 4th status indicator lamp 2HL2 series connection, the primary coil two ends of described the second intermediate transformer T2 connect the output terminal of described voltage regulating module by the synchronous normally opened contact QF31 of two-way of described the 3rd isolating switch, the output terminal that the secondary coil two ends of described the second intermediate transformer T2 are control module,
The described analog module that boosts comprises step-up transformer T3, high-voltage rectification silicon stack VD, high-voltage pulse electric capacity C and simulation electric shock unit CD, the primary coil two ends of described step-up transformer T3 connect the output terminal of described control module, described high-voltage rectification silicon stack VD and the secondary coil two ends that are connected described step-up transformer T3 after described high-voltage pulse electric capacity C series connection, described simulation electric shock unit CD and described high-voltage pulse electric capacity C are connected in parallel.
Further, above-mentioned simulation electric shock unit CD comprises high-pressure side conductor CD1 and simulation staff CD2, boost described in described high-pressure side conductor CD1 the connects high-pressure side of analog module, the earth terminal of the analog module that boosts described in described simulation staff CD2 connects also comes close to or in contact with described high-pressure side conductor CD1 gradually.
In the voltage regulating module of this test unit, main breaker closes, first stops pilot lamp lighting, and presses the first start button, and the first contactor coil obtains electric, it is often opened with normally closed contact and overturns, first stops pilot lamp extinguishing, and first starts pilot lamp lights, and pressure regulator obtains the output voltage of electric adjustable voltage regulating module, output current and the voltage of reometer and the first voltage table reflection voltage regulating module, overcurrent relay provides effective protection to circuit; Press the first stop button, can make the first contactor coil dead electricity, voltage regulating module no-output.
Control module input end connects the output terminal of voltage regulating module, now second stops pilot lamp, third state pilot lamp and the 4th status indicator lamp are lighted, press the second start button, the second contactor coil obtains electric, it is often opened with normally closed contact and overturns, second stops pilot lamp extinguishing, second starts pilot lamp lights, the first intermediate transformer obtains electric, second voltage table reflects the first intermediate transformer secondary coil voltage, while closing respectively the first isolating switch and the second isolating switch, the first status indicator lamp and the upset of third state pilot lamp, the second status indicator lamp and the upset of the 4th status indicator lamp, the output voltage of tertiary voltage table reflection voltage regulating module, when closing the first isolating switch and the second isolating switch simultaneously, except pilot lamp upset, the output voltage of the 4th voltage table reflection voltage regulating module, in control module, after the 3rd isolating switch closes, the second intermediate transformer primary coil obtains electric, and the second intermediate transformer secondary coil provides the analog module voltage that boosts, the output terminal of input end link control module of analog module boosts, step-up transformer promotes the output voltage of control module, and obtain high direct voltage after high-voltage rectification silicon stack and the rectification of high-voltage pulse electric capacity, high direct voltage input electric shock analogue unit, the situation that electric shock analogue unit simulated high-pressure gets an electric shock.
When doing the safe body sense test of high-voltage electrical apparatus, first analogue transformer falls the harm of power transmission, main breaker closes, first stops pilot lamp (can greenly represent) lights, and indication transformer safety, presses the first start button analogue transformer high-voltage switch gear and close a floodgate, first starts pilot lamp (can redly represent) lights, by regulating pressure regulator can make second voltage table indicated value, be 6000V, press the first stop button analogue transformer high-voltage switch gear separating brake, second voltage table indicated value is 0V;
Confirm the simulation low tension switch first breaker open operation state of Circuit Fault on Secondary Transformer feed, the simulation low pressure of closing bus connection switch the second isolating switch, now tertiary voltage table shows that the magnitude of voltage on low-voltage bus bar is 400V, and the 4th voltage table is no-voltage displayed value now, and indication transformer and connection thereof are normal; Now regulate pressure regulator to make voltage regulating module output 110V, the first isolating switch analogue transformer that closes falls power transmission, the first relay and the second relay obtain electric, its normally opened contact is closed, the 4th voltage table displayed value is 400V, the high voltage electrostatic voltmeter that is simultaneously connected on high voltage side of transformer shows that magnitude of voltage is 3000V, and indication transformer exists the situation of falling power transmission.By transformer being fallen to the analog demenstration of power transmission, trainee can be observed intuitively in transformer is safeguarded and overhauled, as power transmission occurs transformer, can produce the consequence that human body high pressure is got an electric shock, the cognitive correct importance that electrical equipment stops power transmission operation of carrying out safely.
The harm that this unit simulation high voltage gets an electric shock, in the step down side situation of falling power transmission, high voltage side of transformer produces high voltage, be connected on the high voltage electrostatic voltmeter that high voltage side of transformer A goes up mutually and show that magnitude of voltage is 3000V, be that the boost two ends, simulation electric shock unit of analog module of this device reach 3000V high pressure, by the simulation staff that wears gloves on simulation electric shock unit is slowly shifted near and contacts high-pressure side conductor, the bare exposed conductor of this high-pressure side conductor simulated high-pressure equipment, due to high-tension existence, to there is the starting the arc in simulation staff, break, the electric discharge sound and galvanocautery taste.Thereby the serious consequence while making trainee can observe intuitively high voltage electric shock, cognition prevents the importance that high voltage gets an electric shock.After the electric shock of simulation high voltage finishes, need will simulate rapidly staff and depart from high-pressure side conductor, and keep certain gap, disconnect step down side analog switch the second isolating switch, deenergization main breaker, adopt electroscope that electric pressure adapts respectively to transformer high-low-voltage by carrying out mutually electrical verification, after identifying transformer no-voltage, with high-voltage discharging rod, transformer high-voltage conductor is discharged for several times repeatedly, then by its direct ground connection, to guarantee safety.
This device, for high voltage electric equipment, power transmission occurs or electric insulation damages and the electric shock of generation high voltage, make people experience high voltage electric shock and people is produced to the body sense education of strong injury, the demonstration of strong arclight when high voltage contacts with people simultaneously, the sound, galvanocautery taste, make trainee there is strong vision and sense of hearing shock and olfactory stimulation, but it is to obtain under simulated environment that high voltage gets an electric shock, accomplish the sense of existing electrical safety body, guaranteed again safety.
Claims (2)
1. the safe body sense of a high-voltage electrical apparatus test unit, is characterized in that: this device comprises voltage regulating module, control module and the analog module that boosts;
Described voltage regulating module comprises main breaker, the first contactor, overcurrent relay, pressure regulator, the first start button, the first stop button, first starts pilot lamp, first stops pilot lamp, the first voltage table and reometer, two upper pile crowns of described main breaker connect both ends of power, described the first contactor is with a pair of synchronous normally opened contact, a normally opened contact and a normally closed contact, described the first stop button, the first start button, the first contactor coil and overcurrent relay normally closed contact are connected in series two lower pile crowns of the described main breaker of rear connection successively, a normally opened contact of described the first contactor is parallel to described the first start button two ends, described first starts pilot lamp is parallel on described the first contactor coil and overcurrent relay normally closed contact, a normally closed contact of described the first contactor stops rear two the lower pile crowns that are connected described main breaker of pilot lamp series connection with described first, described pressure regulator coil two ends connect respectively two lower pile crowns of described main breaker by a pair of synchronous normally opened contact of described the first contactor, described reometer one end and the slider that is connected described pressure regulator after the series connection of overcurrent relay coil, the described reometer other end and described pressure regulator coil one end are voltage regulating module output terminal, described the first voltage table is parallel to voltage regulating module output terminal,
Described control module comprises the first isolating switch, the second isolating switch, the 3rd isolating switch, the second contactor, the first intermediate transformer, the second intermediate transformer, the first relay, the second relay, the second start button, the second stop button, second starts pilot lamp, second stops pilot lamp, second voltage table, tertiary voltage table, the 4th voltage table, the first status indicator lamp, the second status indicator lamp, third state pilot lamp and the 4th status indicator lamp, described the second contactor is with a pair of synchronous normally opened contact, a normally opened contact and a normally closed contact, described the first isolating switch and the second isolating switch are respectively with normally opened contact He Yi road, a road normally closed contact, described the 3rd isolating switch is with the synchronous normally opened contact of two-way, described the first relay and the second relay are respectively with a normally opened contact, described the second stop button, the second start button is connected the output terminal of described voltage regulating module by fuse after connecting successively with the second contactor coil, a normally opened contact of described the second contactor is parallel to described the second start button two ends, described second starts pilot lamp is parallel to described the second contactor coil two ends, the normally closed contact of described the second contactor and described second stops the rear output terminal that is connected described voltage regulating module of pilot lamp series connection, described the first intermediate transformer primary coil connects the output terminal of described voltage regulating module, described second voltage table connects the secondary coil two ends of described the first intermediate transformer by a pair of synchronous normally opened contact of described the second contactor, described the first isolating switch Yi road normally opened contact and the output terminal that is connected described voltage regulating module after described the first relay coil series connection, described the second isolating switch Yi road normally opened contact and the output terminal that is connected described voltage regulating module after described the second relay coil series connection, described the first status indicator lamp is parallel to described the first relay coil two ends, described the second status indicator lamp and tertiary voltage table are parallel to respectively described the second relay coil two ends, the normally opened contact of described the first relay, the normally opened contact of the second relay is connected the output terminal of described voltage regulating module after connecting successively with the 4th voltage table, described the first isolating switch Yi road normally closed contact and the output terminal that is connected described voltage regulating module after described third state pilot lamp series connection, described the second isolating switch Yi road normally closed contact and the output terminal that is connected described voltage regulating module after described the 4th status indicator lamp series connection, the primary coil two ends of described the second intermediate transformer connect the output terminal of described voltage regulating module by the two-way normally opened contact of described the 3rd isolating switch, the output terminal that the secondary coil two ends of described the second intermediate transformer are control module,
The described analog module that boosts comprises step-up transformer, high-voltage rectification silicon stack, high-voltage pulse electric capacity and simulation electric shock unit, the primary coil two ends of described step-up transformer connect the output terminal of described control module, described high-voltage rectification silicon stack and the secondary coil two ends that are connected described step-up transformer after described high-voltage pulse electric capacity series connection, described simulation electric shock unit and described high-voltage pulse electric capacity are connected in parallel.
2. the safe body sense of high-voltage electrical apparatus according to claim 1 test unit, it is characterized in that: described simulation electric shock unit comprises high-pressure side conductor and simulation staff, boost described in described high-pressure side conductor the connects high-pressure side of analog module, the earth terminal of the analog module that boosts described in described simulation staff connects also comes close to or in contact with described high-pressure side conductor gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210248371.2A CN103578340B (en) | 2012-07-18 | 2012-07-18 | The safe body-sensing experimental rig of high-voltage electrical apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210248371.2A CN103578340B (en) | 2012-07-18 | 2012-07-18 | The safe body-sensing experimental rig of high-voltage electrical apparatus |
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| CN103578340A true CN103578340A (en) | 2014-02-12 |
| CN103578340B CN103578340B (en) | 2017-07-18 |
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| CN106409088A (en) * | 2016-11-08 | 2017-02-15 | 中国人民解放军95874部队训练处 | High-voltage electrical equipment over current protection training system and training method thereof |
| CN112509409A (en) * | 2020-12-02 | 2021-03-16 | 国能陕西水电有限公司 | Wireless Bluetooth electric shock simulation glove and electric shock simulation system |
| CN113075514A (en) * | 2021-04-02 | 2021-07-06 | 新风光电子科技股份有限公司 | Interpolar withstand voltage test circuit of automatic discharge thin-film capacitor |
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| CN103578340B (en) | 2017-07-18 |
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Address after: No. 3520 Tongji Road, Baoshan District, Shanghai, 201900 Patentee after: Baowu equipment Intelligent Technology Co., Ltd Address before: 201900, 335, Pu Pu Road, Shanghai, Baoshan District Patentee before: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd. |