CN103592516A - Portable insulation resistance tester for hand-held electric tool - Google Patents
Portable insulation resistance tester for hand-held electric tool Download PDFInfo
- Publication number
- CN103592516A CN103592516A CN201310520037.2A CN201310520037A CN103592516A CN 103592516 A CN103592516 A CN 103592516A CN 201310520037 A CN201310520037 A CN 201310520037A CN 103592516 A CN103592516 A CN 103592516A
- Authority
- CN
- China
- Prior art keywords
- electric tool
- insulation resistance
- resistance tester
- protective seam
- held electric
- 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
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention relates to a portable insulation resistance tester for a hand-held electric tool. The portable insulation resistance tester comprises a box and a box cover connected to the box in a buckling mode. A first electric conduction part and an insulation resistance tester body are arranged in the box, wherein the first electric conduction part can raise and fall, and the insulation resistance tester body is connected with the first electric conduction part. A second electric conduction part is arranged in the box cover, a cavity is formed between the first electric conduction part and the second electric conduction part and used for placing the hand-held electric tool to be tested conveniently, and a power device is arranged in the box body and used for driving the first electric conduction part to move up and down. The portable insulation resistance tester has the advantages that the hand-held electric tool is placed in the cavity formed by the first electric conduction part and the second electric conduction part, and the first electric conduction part is controlled to move up and down through the power device, so that the first electric conduction part and the second electric conduction part clamp the hand-held electric tool, the hand-held electric tool is tested through the resistance tester body, workloads are effectively reduced, labor intensity is relieved, reliability of resistance testing is improved, testing efficiency is improved, using is convenient, and safety performance is good.
Description
Technical field
The present invention relates to portable hand-held electric tool Insulation Resistance Tester.
Background technology
Electric hand tool is requisite power tool in engineering construction, equipment installation and service work, the megger test of existing electric hand tool adopts and manually metal forming is covered to electric hand tool, by resistance meter, test again, exist like this metal forming workload in coated process large, labour intensity is large, due to operating personnel's level existence difference, causes the quality after metal forming is coated to exist unstable, the reliability that has reduced test, detection efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention is that existing electric hand tool exists workload large when carrying out megger test, and labour intensity is large, and the reliability of resistance test is low, and the efficiency of detection is low, thereby portable hand-held electric tool Insulation Resistance Tester is provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: portable hand-held electric tool Insulation Resistance Tester, comprise casing, snap onto the case lid on casing, in described casing, be provided with liftable the first conductive part and coupled resistance meter, in described case lid, be provided with the second conductive part, between described the first conductive part and the second conductive part, form and be convenient to place the cavity that detected hand-held electric tool is placed, in described casing, be provided with and drive the up and down propulsion system of the first conductive part.
Preferably, described the first conductive part is provided with the first conductive layer from outside to inside successively, the first protective seam, the topworks being connected with propulsion system, the second protective seam, described the second conductive part is provided with the second conductive layer from inside to outside successively, the 3rd protective seam, the connecting line of described propulsion system and topworks is provided with Control Component and shows the display device of connecting line pressure, in described casing, be provided with and control the control device of propulsion system work and the gang socket that tested electric tool connects, protective value is good, be convenient to detect, stability is good, the electric hand tool that adapts to different model detects, unfailing performance is good.
Preferably, described the first protective seam, the second protective seam, the 3rd protective seam is spongy layer, the thickness of described the first protective seam equates with the thickness of the second protective seam, the thickness of described the 3rd protective seam equates with the formed chamber depth of case lid, described the first conductive part is fixed on the first protective seam by sticky note, described the second conductive part is fixed on the 3rd protective seam by sticky note, sponge elastic force is good, rebound performance is good, not yielding, the first protective seam is equated to arrange with the thickness of the 3rd protective seam the reliability service that has guaranteed topworks, sticky note mode connects reliably, easy for installation, result of use is good.
Preferably, the thickness of described the first conductive layer equates with the thickness of the second conductive layer, described the first conductive layer and the second conductive layer are conductive fabric, the thickness of described conductive fabric is 5～10mm, conductive fabric can provide good static electric conductivity, when conductive fabric thickness is during lower than 5mm, the poor electric conductivity of conductive fabric, can not well to tested electric hand tool, carry out conductive processing, when conductive fabric thickness is greater than 10mm, the electric conductivity of conductive fabric is strong, easily affects the electric conduction quantity of tested electric hand tool, easily impact test effect.
Preferably, also comprise gas-holder, on described gas-holder, be also provided with pneumatic switch, the volume of described gas-holder is 1L, described propulsion system are air pump, described topworks is air bag, described air pump is connected by tracheae with air bag, described Control Component is solenoid valve, described display device is tensimeter, air bag has vibration isolation, shockproof, lifting, anti-swing, long service life, operation is changed convenient, air pump by tracheae to air feed in air bag, guaranteed the normal use of air bag, solenoid control is effective, long working life, unfailing performance is good, tensimeter is convenient to read the force value on connecting line.
Preferably, also comprise control box, described propulsion system, gas-holder is all arranged on the bottom of control box, described resistance meter and control device are fixed on the rear portion, top of control box, the top front of described control box is rotatably connected to one and is convenient to the fixing turnover panel of gang socket, the described control box of turnover panel below forms is convenient to placed cavity, one end of described turnover panel is rotatably connected on control box by hinge, the other end of described turnover panel is fixed on control box by sticky note band, described turnover panel is provided with is convenient to the buckle that turnover panel departs from control box, simple in structure, be convenient to install fixing, by the setting of turnover panel, be conducive to the placement of aid, effectively raise the Practical Performance of control box, effectively solved maintenance issue, unfailing performance is good.
Preferably, described control device comprises the power interface being arranged on control box, the transformer being connected with power interface, the relay being connected with transformer, the emergency stop switch being connected with relay respectively, rotary switch, add compress switch, compression relief cock, on described control box, be respectively equipped with and show that rotary switch normal operation, demonstration add the LED light of the normal operation that compresses switch, the work of demonstration compression relief cock, one end of described solenoid valve is connected with relay, the other end of described solenoid valve is connected with transformer, simple in structure, be convenient to control, easy to operate, connect reliable.
Preferably, described in the side of the second conductive part, in case lid, be provided with stiffening plate, described stiffening plate comprises substrate, is vertically arranged on the riser on substrate, the two ends of described riser are provided with teat, the bottom of described teat is circular arc, by stiffening plate, the second conductive part is fixed on case lid, has guaranteed the stability of test, easy for installation, connect reliable.
Preferably, the rear sidewall of described casing is provided with the connecting hole that the power lead for resistance meter wears, and has improved the Practical Performance of casing, and result of use is good.
Preferably, the junction of described casing and case lid is provided with O-ring seal, described case lid is provided with is convenient to the standing groove that O-ring seal is placed, described casing is provided with the fixed block coordinating with standing groove, and the top of described fixed block is circular arc, by O-ring seal, casing and case lid sealing is arranged, good seal performance in case, guaranteed the reliability of test, improved the accuracy of test, result of use is good.
In sum, advantage of the present invention: electric hand tool is placed in the cavity that the first conductive part in casing and the second conductive part form, by propulsion system, control the first conductive part up and down, the first conductive layer and the second conductive layer are clamped electric hand tool, and test by resistance meter, effectively reduce workload, reduce labour intensity, improved the reliability of resistance test, improved detection efficiency, easy to use, security performance is good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of portable hand-held electric tool Insulation Resistance Tester of the present invention;
Fig. 2 is the structural representation that casing of the present invention is connected with case lid;
Fig. 3 is the partial enlarged drawing of A in Fig. 2;
Fig. 4 is the partial enlarged drawing of B in Fig. 2;
Fig. 5 is the structural representation of stiffening plate;
Fig. 6 is the structural representation of control box;
Fig. 7 is electrical schematic diagram of the present invention.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, portable hand-held electric tool Insulation Resistance Tester, comprise casing 1, snap onto the case lid 2 on casing 1, in described casing 1, be provided with liftable the first conductive part 3 and coupled resistance meter 4, in described case lid 2, be provided with the second conductive part 5, described the first conductive part 3 is provided with the first conductive layer 31 from outside to inside successively, the first protective seam 32, topworks 33, the second protective seam 34, described the second conductive part 5 is provided with the second conductive layer 51 from inside to outside successively, the 3rd protective seam 52, in described casing 1, be provided with the propulsion system 15 that drive topworks's 33 work, the connecting line of described propulsion system 15Yu topworks 33 is provided with Control Component 16 and shows the display device 17 of connecting line pressure, in described casing 1, be provided with and control the control device 6 of propulsion system 15 work and the gang socket 7 that tested electric tool connects, described the first protective seam 32, the second protective seam 34, the 3rd protective seam 52 is spongy layer, the thickness of described the first protective seam 32 equates with the thickness of the second protective seam 34, the thickness of described the 3rd protective seam 52 equates with the formed chamber depth of case lid 2, described the first conductive part 3 is fixed on the first protective seam 32 by sticky note, described the second conductive part 5 is fixed on the 3rd protective seam 52 by sticky note, sponge elastic force is good, rebound performance is good, not yielding, the first protective seam 32 is equated to arrange with the thickness of the 3rd protective seam 52 reliability service that has guaranteed topworks 33, sticky note mode connects reliably, easy for installation, result of use is good, the thickness of described the first conductive layer 31 equates with the thickness of the second conductive layer 51, described the first conductive layer 31 and the second conductive layer 51 are conductive fabric, the thickness of described conductive fabric is 5～10mm, conductive fabric can provide good static electric conductivity, when conductive fabric thickness is during lower than 5mm, the poor electric conductivity of conductive fabric, can not well to tested electric hand tool, carry out conductive processing, when conductive fabric thickness is greater than 10mm, the electric conductivity of conductive fabric is strong, easily affect the electric conduction quantity of tested electric hand tool, easily effect is tested in impact, also comprise gas-holder 18, on described gas-holder 18, be also provided with pneumatic switch 19, the volume of described gas-holder 18 is 1L, described propulsion system 15 are air pump, described propulsion system 15 are also connected with filtration unit 151, described topworks 33 is air bag, described air pump is connected by tracheae with air bag, described Control Component 16 is solenoid valve, described display device 17 is tensimeter, air bag has vibration isolation, shockproof, lifting, anti-swing, long service life, operation is changed convenient, air pump by tracheae to air feed in air bag, guaranteed the normal use of air bag, solenoid control is effective, long working life, unfailing performance is good, tensimeter is convenient to read the force value on connecting line, also comprise control box 8, described propulsion system 15, gas-holder 18 is all arranged on the bottom of control box 8, described resistance meter 4 and control device 6 are fixed on the rear portion, top of control box 8, the top front of described control box 8 is rotatably connected to one and is convenient to the fixing turnover panel of gang socket 7 81, the described control box 8 of turnover panel 81 belows forms is convenient to placed cavity 82, one end of described turnover panel 81 is rotatably connected on control box 8 by hinge, the other end of described turnover panel 81 is fixed on control box 8 by sticky note band, described turnover panel 81 is provided with is convenient to the buckle that turnover panel 81 departs from control box 8, simple in structure, be convenient to install fixing, by the setting of turnover panel 81, be conducive to the placement of aid, effectively raise the Practical Performance of control box 8, effectively solved maintenance issue, unfailing performance is good, described control device 6 comprises the power interface 61 being arranged on control box 8, the transformer 62 being connected with power interface 61, the relay 63 being connected with transformer 62, the emergency stop switch 64 being connected with relay 63 respectively, rotary switch 65, add and compress switch 66, compression relief cock 67, on described control box 8, be respectively equipped with and show rotary switch 65 normal operations, show and add 66 normal operations that compress switch, the LED light 68 that shows compression relief cock 67 work, one end of described solenoid valve is connected with relay 63, the other end of described solenoid valve is connected with transformer 62, simple in structure, be convenient to control, easy to operate, connect reliable, in case lid 2 described in the side of the second conductive part 5, be provided with stiffening plate 25, described stiffening plate 25 comprises substrate 251, vertically be arranged on the riser 252 on substrate 251, the two ends of described riser 252 are provided with teat, the bottom of described teat is circular arc, by stiffening plate 25, the second conductive part 5 is fixed on case lid 2, guaranteed the stability of test, easy for installation, connect reliable, the rear sidewall of described casing 1 is provided with the connecting hole that the power lead for resistance meter 4 wears, improved the Practical Performance of casing 1, result of use is good, described case lid 2 is provided with the opening 21 coordinating with resistance meter 4 and the cover plate 22 that opening 21 is sealed, one end of described cover plate 22 is rotatably connected on case lid 2 by hinge 23, the other end of described cover plate 22 snaps onto on case lid 2 by magnet 24, when casing 1 has effectively avoided the materials such as dust to be splashed in casing 1 when mobile, improved the utilization rate of equipment, fixing by magnet 24, connect reliable, easy installation and removal, easy to use, described casing 1 is provided with O-ring seal 9 with the junction of case lid 2, described case lid 2 is provided with is convenient to the standing groove that O-ring seal 9 is placed, described casing 1 is provided with the fixed block 11 coordinating with standing groove, the top of described fixed block 11 is circular arc, by O-ring seal, casing 1 and case lid 2 sealings are arranged, good seal performance in case, guaranteed the reliability of test, improved the accuracy of test, result of use is good.
During test, electric hand tool is placed on the first conductive part 3, the attaching plug of electric hand tool is connected with gang socket 7, by case lid 2 and casing 1 snapping, electric hand tool is sealed in casing 1, by control device 6, control the 33 interior inflations of propulsion system 15Xiang topworks, by topworks 33, expand the first conductive layer 31 and the second conductive layer 51 are conducted electricity to electric hand tool simultaneously, by resistance meter 4, it is tested, after test finishes, by Control Component 16Dui topworks 33, carrying out pressure release restPoses it, operate successively, just can to the electric hand tool of different model, carry out megger test fast.
Electric hand tool is placed in the cavity that the first conductive part in casing and the second conductive part form, by propulsion system, control the first conductive part up and down, the first conductive layer and the second conductive layer are clamped electric hand tool, and test by resistance meter, effectively reduce workload, reduced labour intensity, improved the reliability of resistance test, improved detection efficiency, easy to use, security performance is good.
Claims (10)
1. portable hand-held electric tool Insulation Resistance Tester, it is characterized in that: comprise casing (1), snap onto the case lid (2) on casing (1), in described casing (1), be provided with liftable the first conductive part (3) and coupled resistance meter (4), in described case lid (2), be provided with the second conductive part (5), between described the first conductive part (3) and the second conductive part (5), form and be convenient to place the cavity that detected hand-held electric tool is placed, in described casing (1), be provided with and drive the up and down propulsion system (15) of the first conductive part (3).
2. portable hand-held electric tool Insulation Resistance Tester according to claim 1, it is characterized in that: described the first conductive part (3) is provided with the first conductive layer (31) from outside to inside successively, the first protective seam (32), the topworks being connected with propulsion system (33), the second protective seam (34), described the second conductive part (5) is provided with the second conductive layer (51) from inside to outside successively, the 3rd protective seam (52), the connecting line of described propulsion system (15) and topworks (33) is provided with Control Component (16) and shows the display device (17) of connecting line pressure, in described casing (1), be provided with and control the control device (6) of propulsion system (15) work and the gang socket (7) that tested electric tool connects.
3. portable hand-held electric tool Insulation Resistance Tester according to claim 2, it is characterized in that: described the first protective seam (32), the second protective seam (34), the 3rd protective seam (52) is spongy layer, the thickness of described the first protective seam (32) equates with the thickness of the second protective seam (34), the thickness of described the 3rd protective seam (52) equates with the formed chamber depth of case lid (2), described the first conductive part (3) is fixed on the first protective seam (32) by sticky note, described the second conductive part (5) is fixed on the 3rd protective seam (52) by sticky note.
4. according to the portable hand-held electric tool Insulation Resistance Tester described in claim 2 or 3, it is characterized in that: the thickness of described the first conductive layer (31) equates with the thickness of the second conductive layer (51), described the first conductive layer (31) and the second conductive layer (51) are conductive fabric, and the thickness of described conductive fabric is 5～10mm.
5. portable hand-held electric tool Insulation Resistance Tester according to claim 2, it is characterized in that: also comprise gas-holder (18), on described gas-holder (18), be also provided with pneumatic switch (19), the volume of described gas-holder (18) is 1L, described propulsion system (15) are air pump, and described topworks (33) is air bag, and described air pump is connected by tracheae with air bag, described Control Component (16) is solenoid valve, and described display device (17) is tensimeter.
6. portable hand-held electric tool Insulation Resistance Tester according to claim 5, it is characterized in that: also comprise control box (8), described propulsion system (15), gas-holder (18) is all arranged on the bottom of control box (8), described resistance meter (4) and control device (6) are fixed on the rear portion, top of control box (8), the top front of described control box (8) is rotatably connected to one and is convenient to the fixing turnover panel (81) of gang socket (7), the described control box (8) of turnover panel (81) below forms is convenient to placed cavity (82), one end of described turnover panel (81) is rotatably connected on control box by hinge, the other end of described turnover panel is fixed on control box by sticky note band, described turnover panel is provided with is convenient to the buckle that turnover panel departs from control box.
7. portable hand-held electric tool Insulation Resistance Tester according to claim 6, it is characterized in that: described control device (6) comprises the power interface (61) being arranged on control box, the transformer (62) being connected with power interface (61), the relay (63) being connected with transformer (62), the emergency stop switch (64) being connected with relay (63) respectively, rotary switch (65), add compress switch (66), compression relief cock (67), on described control box, be respectively equipped with and show rotary switch normal operation, show and add the normal operation that compresses switch, the LED light (68) that shows compression relief cock work, one end of described solenoid valve (16) is connected with relay (63), the other end of described solenoid valve (61) is connected with transformer (62).
8. portable hand-held electric tool Insulation Resistance Tester according to claim 2, it is characterized in that: in case lid (2) described in the side of the second conductive part (5), be provided with stiffening plate (25), described stiffening plate (25) comprises substrate (251), is vertically arranged on the riser (252) on substrate (251), the two ends of described riser (252) are provided with teat, and the bottom of described teat is circular arc.
9. portable hand-held electric tool Insulation Resistance Tester according to claim 1, is characterized in that: the rear sidewall of described casing (1) is provided with the connecting hole that the power lead for resistance meter (4) wears.
10. portable hand-held electric tool Insulation Resistance Tester according to claim 1, it is characterized in that: described casing (1) is provided with O-ring seal (9) with the junction of case lid (2), described case lid (2) is provided with is convenient to the standing groove that O-ring seal (9) is placed, described casing (1) is provided with the fixed block (11) coordinating with standing groove, and the top of described fixed block (11) is circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520037.2A CN103592516B (en) | 2013-10-29 | 2013-10-29 | Portable hand-held electric tool Insulation Resistance Tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520037.2A CN103592516B (en) | 2013-10-29 | 2013-10-29 | Portable hand-held electric tool Insulation Resistance Tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103592516A true CN103592516A (en) | 2014-02-19 |
| CN103592516B CN103592516B (en) | 2016-05-04 |
Family
ID=50082733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310520037.2A Active CN103592516B (en) | 2013-10-29 | 2013-10-29 | Portable hand-held electric tool Insulation Resistance Tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103592516B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360162A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Live line measurement device for contact resistance of high voltage loop |
| CN106102366A (en) * | 2016-06-06 | 2016-11-09 | 合肥天地软件科技有限公司 | A kind of bus equipment sensing device |
| CN107015070A (en) * | 2017-05-27 | 2017-08-04 | 上海贤行电子科技有限公司 | It is a kind of to test probe station in chip antenna |
| CN108169702A (en) * | 2018-03-07 | 2018-06-15 | 国网浙江省电力有限公司电力科学研究院 | Water-cooled generator special isolation ohmmeter detecting platform and calibration method |
| CN108918970A (en) * | 2018-09-10 | 2018-11-30 | 江苏创科电气有限公司 | It is a kind of for detecting the megger of trolley insulation values |
| CN110488052A (en) * | 2019-08-30 | 2019-11-22 | 国网山东省电力公司平阴县供电公司 | A kind of electric tool insulation detection device |
| CN113567846A (en) * | 2021-07-06 | 2021-10-29 | 国网辽宁省电力有限公司电力科学研究院 | Portable on-site full-aperture gas relay inspection system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798540A (en) * | 1972-06-28 | 1974-03-19 | L Darden | Electrical grounding and insulation resistance tester |
| JP2004249431A (en) * | 2003-02-21 | 2004-09-09 | Hitachi Koki Co Ltd | Power tool |
| CN201429629Y (en) * | 2009-06-02 | 2010-03-24 | 华北电网有限公司张家口供电公司 | Insulation resistance safety test box |
| CN101887101A (en) * | 2010-06-09 | 2010-11-17 | 深圳市深联电路有限公司 | High withstand voltage testing device of single-sided aluminum-base printed circuit board and testing method |
| CN201707405U (en) * | 2010-05-10 | 2011-01-12 | 广东省机械研究所 | Comprehensive tester for safety performance of electric tool |
| CN203587692U (en) * | 2013-10-29 | 2014-05-07 | 国家电网公司 | Portable handheld electric-tool insulating resistance tester |
-
2013
- 2013-10-29 CN CN201310520037.2A patent/CN103592516B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798540A (en) * | 1972-06-28 | 1974-03-19 | L Darden | Electrical grounding and insulation resistance tester |
| JP2004249431A (en) * | 2003-02-21 | 2004-09-09 | Hitachi Koki Co Ltd | Power tool |
| CN201429629Y (en) * | 2009-06-02 | 2010-03-24 | 华北电网有限公司张家口供电公司 | Insulation resistance safety test box |
| CN201707405U (en) * | 2010-05-10 | 2011-01-12 | 广东省机械研究所 | Comprehensive tester for safety performance of electric tool |
| CN101887101A (en) * | 2010-06-09 | 2010-11-17 | 深圳市深联电路有限公司 | High withstand voltage testing device of single-sided aluminum-base printed circuit board and testing method |
| CN203587692U (en) * | 2013-10-29 | 2014-05-07 | 国家电网公司 | Portable handheld electric-tool insulating resistance tester |
Non-Patent Citations (3)
| Title |
|---|
| 国家能源局: "《电力作业用手持式电动工具安全性能检验规程》", 31 December 2012, article "《电力作业用手持式电动工具安全性能检验规程》", pages: 22 * |
| 李禾: "手持式电动工具绝缘电阻测试方法探讨", 《中国科技成果》, no. 11, 31 December 2012 (2012-12-31) * |
| 柯定芳 等: "一种新型耐压测试系统的研制与应用", 《技术与应用》, no. 11, 31 December 2012 (2012-12-31) * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360162A (en) * | 2014-11-14 | 2015-02-18 | 国家电网公司 | Live line measurement device for contact resistance of high voltage loop |
| CN106102366A (en) * | 2016-06-06 | 2016-11-09 | 合肥天地软件科技有限公司 | A kind of bus equipment sensing device |
| CN107015070A (en) * | 2017-05-27 | 2017-08-04 | 上海贤行电子科技有限公司 | It is a kind of to test probe station in chip antenna |
| CN107015070B (en) * | 2017-05-27 | 2023-12-26 | 中山米微科技有限公司 | On-chip antenna test probe station |
| CN108169702A (en) * | 2018-03-07 | 2018-06-15 | 国网浙江省电力有限公司电力科学研究院 | Water-cooled generator special isolation ohmmeter detecting platform and calibration method |
| CN108169702B (en) * | 2018-03-07 | 2024-02-13 | 国网浙江省电力有限公司电力科学研究院 | Special insulating resistance meter verification platform and method for water-cooled generator |
| CN108918970A (en) * | 2018-09-10 | 2018-11-30 | 江苏创科电气有限公司 | It is a kind of for detecting the megger of trolley insulation values |
| CN110488052A (en) * | 2019-08-30 | 2019-11-22 | 国网山东省电力公司平阴县供电公司 | A kind of electric tool insulation detection device |
| CN110488052B (en) * | 2019-08-30 | 2021-08-13 | 国网山东省电力公司平阴县供电公司 | Electric tool insulation detection device |
| CN113567846A (en) * | 2021-07-06 | 2021-10-29 | 国网辽宁省电力有限公司电力科学研究院 | Portable on-site full-aperture gas relay inspection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103592516B (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103592516A (en) | Portable insulation resistance tester for hand-held electric tool | |
| CN204831718U (en) | Sealed detection device | |
| CN203587692U (en) | Portable handheld electric-tool insulating resistance tester | |
| CN207368353U (en) | A kind of device for preventing that attaching plug from coming off | |
| CN110657921B (en) | Explosion-proof valve plugging clamp for air tightness test of lithium battery pack | |
| CN206269830U (en) | Hypobaric experimental rig | |
| CN206192604U (en) | Building waterproof sealing negative pressure detection device | |
| CN209783848U (en) | Pressure pipe welding mouth detection device | |
| CN204360834U (en) | The Power cord fastener locking structure of water purifier | |
| CN109425759A (en) | A kind of magnetic-type power-up device | |
| CN211698012U (en) | On-spot detection device of multi-functional automatic distribution equipment | |
| CN203758878U (en) | Portable airborne monitor for three-dimensional space distribution of atmospheric particulate content | |
| CN204203195U (en) | A kind of on-line monitoring probe connecting SF6 isolating switch | |
| CN204302462U (en) | A kind of novel great current cell short-circuit test machine | |
| CN211425793U (en) | Transformer conservator sealing detection device | |
| CN204067698U (en) | Experimental cabin test cable seals plugboard | |
| CN206656118U (en) | The fast installation support of power monitoring terminal | |
| CN203908722U (en) | An intrinsic safety type mine hydraulic support pressure transducer | |
| CN202931706U (en) | Electrical cabinet panel | |
| CN204903591U (en) | Electric automobile battery charging outfit detection device | |
| CN104815408A (en) | Indoor fire hydrant press testing device with high testing efficiency and press testing method using same | |
| CN208313543U (en) | A kind of integral test system for arranging cup performance | |
| CN205910270U (en) | Electric power system detects communication system | |
| CN218099239U (en) | Insulating plastic shell of battery measuring instrument | |
| CN203219657U (en) | Electric appliance box with double-glass plate sealed structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100045 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: State Grid Zhejiang Electric Power Company Patentee after: State Grid Corporation of China Co-patentee after: Zhejiang Huadian inspection and Research Institute Co., Ltd. Address before: 100045 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: State Grid Zhejiang Electric Power Company Patentee before: State Grid Corporation of China Co-patentee before: Zhejiang Huadian Equipment Inspection Institute |