CN114167157B - On-site detection device and method for flexible direct-current transmission converter valve submodule - Google Patents
On-site detection device and method for flexible direct-current transmission converter valve submodule Download PDFInfo
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- CN114167157B CN114167157B CN202111188287.1A CN202111188287A CN114167157B CN 114167157 B CN114167157 B CN 114167157B CN 202111188287 A CN202111188287 A CN 202111188287A CN 114167157 B CN114167157 B CN 114167157B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title description 5
- 238000010586 diagram Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
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Abstract
The invention belongs to the technical field of detection devices, in particular to a field detection device and a field detection method for a flexible direct current transmission converter valve submodule, which aim at the problems that the existing detection device is inconvenient to move and fix, a device is easy to drag during detection, a connecting part is easy to damage, and the storage of detection tools is inconvenient, so that the use efficiency is greatly reduced. The invention has the advantages of convenient movement and fixation, difficult damage to the device during detection, convenient taking and storage of the detection tool, and great improvement of the use efficiency.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a field detection device and method for a flexible direct-current transmission converter valve submodule.
Background
Unlike conventional dc power transmission systems, the converter valve in the modular multilevel flexible dc power transmission system is a core device of the dc power transmission system, and the value of the converter valve is about 22-25% of the total price of the converter station complete equipment by sequentially connecting the three-phase ac voltage to the dc terminal to obtain the desired dc voltage and realize the control of the power. The minimum unit of the converter valve is a submodule for forming the converter valve, and the number of the submodules of the high-voltage high-capacity flexible direct current converter station is numerous and changes along with the capacity change of the converter station. When the capacity of a converter station based on the modularized multi-level flexible direct current transmission technology reaches 1000MW level, the number of submodules is usually up to thousands. The submodule mainly comprises a bypass switch, an energy-taking power supply, IGBT, driving equipment, a protection thyristor and other equipment, and in the current flexible direct-current transmission actual engineering, the submodule is easy to fail, so that the submodule needs to be detected and maintained by using a corresponding detection device.
However, the existing detection device is inconvenient to move and fix, the device is easy to drag by mistake during detection, the joint is easy to damage, and the use efficiency is greatly reduced due to inconvenient storage of detection tools.
Disclosure of Invention
The invention aims to solve the defects that the existing detection device is inconvenient to move and fix, the device is easy to drag by mistake during detection, the joint is easy to damage, and the use efficiency is greatly reduced due to inconvenient storage of detection tools.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a scene detection device of flexible direct current transmission converter valve submodule, comprises a box body, the bottom slidable mounting of box has mobile device, fixed mounting has the backup pad on the mobile device, rotate in the backup pad and install a plurality of bull stick, equal fixed mounting has the rotary drum on a plurality of bull stick, slidable mounting has strutting arrangement on the box, transmission is installed in the bottom rotation of box, fixed mounting has the observation window on the box, fixed mounting has the box for detection in the box, slidable mounting has the case of placing on the box, fixed mounting has the kelly on the case of placing, fixed mounting has the handle on the bottom inner wall of box, fixed mounting has the limiting tube on the box, symmetrical rotation installs two screws on the box, two screw swing joint, two screws all with strutting arrangement threaded connection, the top fixed mounting of one of two screws has the plectane, the top fixed mounting of plectane has the handle.
Preferably, the supporting device comprises two sliding plates, two fixing rods and two bottom plates, wherein the two sliding plates are symmetrically and slidably arranged on the box body, the two fixing rods are correspondingly and fixedly arranged at the bottoms of the two sliding plates, the two bottom plates are correspondingly and fixedly arranged at the bottoms of the two fixing rods, and the two sliding plates are in threaded connection with the two screw rods.
Preferably, the mobile device includes bracing piece, diaphragm and a plurality of leading wheel, and bracing piece slidable mounting is in the bottom of box, and diaphragm fixed mounting is in the bottom of bracing piece, and the equal movable mounting of a plurality of leading wheel is in the bottom of diaphragm, and the sliding hole has been seted up to the bottom of box, and bracing piece slidable mounting is in the sliding hole, and fixed mounting has the pressure spring on the bracing piece.
Preferably, the transmission device comprises two transmission plates, two first connecting rods and two second connecting rods, the two transmission plates are symmetrically and rotatably arranged at the bottom of the box body, the two first connecting rods and the two second connecting rods are slidably arranged on the two transmission plates, one ends of the two first connecting rods are correspondingly and movably connected with the two fixing rods, and the two second connecting rods are movably connected with the transverse plate.
Preferably, two fixing plates are symmetrically and fixedly arranged at the bottom of the box body, mounting rods are rotatably arranged on the two fixing plates, and two transmission plates are fixedly arranged on the two mounting rods.
Preferably, the box body is provided with a mounting hole, two sliding blocks are symmetrically and slidably arranged in the mounting hole, and the placing box is slidably arranged on the two sliding blocks.
Preferably, the two screws are fixedly provided with driving wheels, and the two driving wheels are movably provided with the same belt.
Preferably, the application method of the field detection device of the flexible direct-current transmission converter valve sub-module comprises the following steps:
s1: firstly, the device is moved to a proper using position through a plurality of guide wheels, after the device is moved, the handle is held, one of the two screw rods is rotated through the handle and the circular plate, and the other screw rod is driven to rotate through the two driving wheels and the belt;
s2: the two screws drive the two sliding plates to move, the two sliding plates drive the two fixing rods to move, and the two fixing rods drive the two bottom plates to move, so that the device support can be realized;
s3: and the diaphragm can drive the backup pad through the bracing piece and remove when upwards moving, and the backup pad drives to place the case and remove, places the case and drives the card pole and remove for the card pole shifts out from the restraint in the pipe, thereby can shift out placing the case, the instrument of taking of being convenient for, it is very convenient to use.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, as the box body, the sliding plate, the fixed rod, the bottom plate, the sliding hole, the supporting rod, the supporting plate, the rotating drum, the transverse plate, the guide wheels, the pressure spring, the fixed plate, the mounting rod, the transmission plate, the first connecting rod, the second connecting rod, the screw rod, the circular plate, the handle, the driving wheel, the belt and the rotating rod are arranged, the device can be moved to a proper use position through the guide wheels, and in addition, the device can be supported in the bottom plate direction during use, and meanwhile, the guide wheels are retracted, so that the stability of the device during use is ensured;
(2) This scheme is owing to set up box, detection case, observation window, mounting hole, slider, place case, handle, card pole, restraint pipe, can place the apparatus in placing the case when detecting, is convenient for take out when using, can ensure the stability of placing the case when not using moreover, avoids placing the case roll-off, the effectual availability factor that has improved.
The invention has the advantages of convenient movement and fixation, difficult damage to the device during detection, convenient taking and storage of the detection tool, and great improvement of the use efficiency.
Drawings
Fig. 1 is a schematic diagram of a cross-sectional structure of a field detection device of a flexible dc transmission converter valve submodule according to the present invention;
fig. 2 is a schematic diagram of three-dimensional structures such as a box body and a bottom plate of a field detection device of a flexible direct-current transmission converter valve submodule;
fig. 3 is a schematic diagram of a side view and a cross-sectional structure of a part of a field detection device of a flexible direct current transmission converter valve submodule according to the present invention;
fig. 4 is a schematic diagram of a part a structure of fig. 3 of a field detection device of a flexible dc transmission converter valve submodule according to the present invention;
fig. 5 is a schematic diagram of a part B of the structure of the field detection device of fig. 1 of the flexible dc transmission converter valve submodule according to the present invention.
In the figure: 1. a case; 2. a slide plate; 3. a fixed rod; 4. a bottom plate; 5. a sliding hole; 6. a support rod; 7. a support plate; 8. a rotating drum; 9. a cross plate; 10. a guide wheel; 11. a pressure spring; 12. a fixing plate; 13. a mounting rod; 14. a drive plate; 15. a first connecting rod; 16. a second connecting rod; 17. a detection case; 18. an observation window; 19. a mounting hole; 20. a slide block; 21. placing a box; 22. a handle; 23. a clamping rod; 24. a restrictor tube; 25. a screw; 26. a circular plate; 27. a grip; 28. a driving wheel; 29. a belt; 30. and (5) rotating the rod.
Detailed Description
The technical solutions in this embodiment will be clearly and completely described below with reference to the drawings in this embodiment.
Example 1
Referring to fig. 1-5, a field detection device for a flexible direct current transmission converter valve submodule is provided, a box 1 is provided, a moving device is slidably installed at the bottom of the box 1, a supporting plate 7 is fixedly installed on the moving device, a plurality of rotating rods 30 are rotatably installed on the supporting plate 7, rotating drums 8 are fixedly installed on the plurality of rotating rods 30, a supporting device is slidably installed on the box 1, a transmission device is rotatably installed at the bottom of the box 1, an observation window 18 is fixedly installed on the box 1, a detection box 17 is fixedly installed in the box 1, a placement box 21 is slidably installed on the box 1, a clamping rod 23 is fixedly installed on the placement box 21, a handle 22 is fixedly installed on the inner wall of the bottom of the box 1, a limiting pipe 24 is fixedly installed on the inner wall of the box 1, two screws 25 are symmetrically rotatably installed on the box 1, two screws 25 are movably connected with the supporting device in a threaded mode, a top end of one screw 25 of the two screws 25 is fixedly installed with a 26, and a top of a circular plate 26 is fixedly installed with a grip 27.
In this embodiment, strutting arrangement includes two slide 2, two dead levers 3 and two bottom plates 4, and two slide 2 symmetry slidable mounting is on box 1, and two dead levers 3 correspond fixed mounting in the bottom of two slide 2, and two bottom plates 4 correspond fixed mounting in the bottom of two dead levers 3, and two slide 2 and two screw rods 25 threaded connection can support the device and guarantee the stability when using.
In this embodiment, mobile device includes bracing piece 6, diaphragm 9 and a plurality of leading wheel 10, and bracing piece 6 slidable mounting is in the bottom of box 1, and diaphragm 9 fixed mounting is in the bottom of bracing piece 6, and the equal movable mounting of a plurality of leading wheel 10 is in the bottom of diaphragm 9, and slide hole 5 has been seted up to the bottom of box 1, and bracing piece 6 slidable mounting is in slide hole 5, and fixed mounting has pressure spring 11 on the bracing piece 6, can remove the device suitable position as required.
In this embodiment, the transmission device includes two transmission plates 14, two first connecting rods 15 and two second connecting rods 16, the two transmission plates 14 are symmetrically and rotatably installed at the bottom of the box 1, the two first connecting rods 15 and the two second connecting rods 16 are slidably installed on the two transmission plates 14, one ends of the two first connecting rods 15 are correspondingly movably connected with the two fixing rods 3, and the two second connecting rods 16 are movably connected with the transverse plates 9, so that the support device can drive the moving device to move reversely when moving.
In this embodiment, two fixing plates 12 are symmetrically and fixedly installed at the bottom of the box body 1, mounting rods 13 are rotatably installed on the two fixing plates 12, and two transmission plates 14 are fixedly installed on the two mounting rods 13, so that stable rotation of the two transmission plates 14 is ensured.
In this embodiment, the box body 1 is provided with the mounting hole 19, two sliding blocks 20 are symmetrically and slidably mounted in the mounting hole 19, and the placement box 21 is slidably mounted on the two sliding blocks 20, so that stable movement of the placement box 21 is ensured.
In this embodiment, the driving wheels 28 are fixedly mounted on the two screws 25, and the same belt 29 is movably mounted on the two driving wheels 28, so that the two screws 25 can synchronously rotate.
Working principle: the application method of the field detection device of the flexible direct-current transmission converter valve sub-module comprises the following steps:
s1: firstly, the device is moved to a proper using position through a plurality of guide wheels 10, after the device is moved, a handle 27 is held, one screw 25 of two screws 25 is rotated through the handle 27 and a circular plate 26, and one screw 25 of the two screws 25 drives the other screw 25 to rotate through two driving wheels 28 and a belt 29;
s2: the two screws 25 drive the two sliding plates 2 to move, the two sliding plates 2 drive the two fixed rods 3 to move, the two fixed rods 3 drive the two bottom plates 4 to move, so that a device support can be realized, and meanwhile, the two fixed rods 3 drive the transverse plates 9 to move downwards through the two first connecting rods 15, the two transmission plates 14 and the two second connecting rods 16, so that the guide wheels 10 can be retracted while the device is supported, and the stability of the device in use is effectively ensured;
s3: and when diaphragm 9 is upwards moving, can drive backup pad 7 through bracing piece 6 and remove, backup pad 7 drives and places case 21 and remove, places case 21 and drives draw-in lever 23 and remove for draw-in lever 23 removes from limiting tube 24, thereby can will place case 21 and shift out, the instrument of being convenient for take, it is very convenient to use.
Example two
Referring to fig. 1-5, a field detection device for a flexible direct current transmission converter valve submodule, a box 1, a moving device is slidably installed at the bottom of the box 1, a supporting plate 7 is fixedly installed on the moving device, a plurality of rotating rods 30 are rotatably installed on the supporting plate 7, a rotating drum 8 is fixedly installed on the plurality of rotating rods 30, a supporting device is slidably installed on the box 1, a transmission device is rotatably installed at the bottom of the box 1, an observation window 18 is fixedly installed on the box 1, a detection box 17 is fixedly installed in the box 1, a placement box 21 is slidably installed on the box 1, a clamping rod 23 is fixedly installed on the placement box 21, a handle 22 is fixedly installed on the inner wall of the bottom of the box 1, a limiting pipe 24 is fixedly installed on the inner wall of the bottom of the box 1, two screws 25 are symmetrically rotatably installed on the box 1, the top of one screw 25 is fixedly installed with a 26, the top of a circular plate 27 is fixedly installed on the top of the circular plate 26, a display device can be additionally installed on the detection box 17, and the real-time feedback efficiency can be further improved.
In this embodiment, strutting arrangement includes two slide 2, two dead levers 3 and two bottom plates 4, and two slide 2 symmetry slidable mounting is on box 1, and two dead levers 3 correspond fixed mounting in the bottom of two slide 2, and two bottom plates 4 correspond fixed mounting in the bottom of two dead levers 3, and two slide 2 and two screw rods 25 threaded connection can support the device and guarantee the stability when using.
In this embodiment, mobile device includes bracing piece 6, diaphragm 9 and a plurality of leading wheel 10, and bracing piece 6 slidable mounting is in the bottom of box 1, and diaphragm 9 fixed mounting is in the bottom of bracing piece 6, and the equal movable mounting of a plurality of leading wheel 10 is in the bottom of diaphragm 9, and slide hole 5 has been seted up to the bottom of box 1, and bracing piece 6 slidable mounting is in slide hole 5, and fixed mounting has pressure spring 11 on the bracing piece 6, can remove the device suitable position as required.
In this embodiment, the transmission device includes two transmission plates 14, two first connecting rods 15 and two second connecting rods 16, the two transmission plates 14 are symmetrically and rotatably installed at the bottom of the box 1, the two first connecting rods 15 and the two second connecting rods 16 are slidably installed on the two transmission plates 14, one ends of the two first connecting rods 15 are correspondingly movably connected with the two fixing rods 3, and the two second connecting rods 16 are movably connected with the transverse plates 9, so that the support device can drive the moving device to move reversely when moving.
In this embodiment, two fixing plates 12 are symmetrically and fixedly installed at the bottom of the box body 1, mounting rods 13 are rotatably installed on the two fixing plates 12, and two transmission plates 14 are fixedly installed on the two mounting rods 13, so that stable rotation of the two transmission plates 14 is ensured.
In this embodiment, the box body 1 is provided with the mounting hole 19, two sliding blocks 20 are symmetrically and slidably mounted in the mounting hole 19, and the placement box 21 is slidably mounted on the two sliding blocks 20, so that stable movement of the placement box 21 is ensured.
In this embodiment, the driving wheels 28 are fixedly mounted on the two screws 25, and the same belt 29 is movably mounted on the two driving wheels 28, so that the two screws 25 can synchronously rotate.
The working principle is that the difference between the second embodiment and the first embodiment is that: the detection box 17 is additionally provided with a display device, so that the detection result can be fed back in real time, and the use efficiency is further improved.
Claims (7)
1. The field detection device of the flexible direct-current transmission converter valve submodule comprises a box body (1) and is characterized in that a moving device is slidably arranged at the bottom of the box body (1), a supporting plate (7) is fixedly arranged on the moving device, a plurality of rotating rods (30) are rotatably arranged on the supporting plate (7), rotating drums (8) are fixedly arranged on the plurality of rotating rods (30), a supporting device is slidably arranged on the box body (1), a transmission device is rotatably arranged at the bottom of the box body (1), an observation window (18) is fixedly arranged on the box body (1), a detection box (17) is fixedly arranged in the box body (1), a placement box (21) is slidably arranged on the box body (1), a clamping rod (23) is fixedly arranged on the placement box (21), a handle (22) is fixedly arranged on the inner wall of the bottom of the box body (1), two threaded rods (25) are symmetrically rotatably arranged on the box body (1), the two threaded rods (25) are movably connected, the two threaded rods (25) are in threaded connection with the supporting device, and the top ends of one threaded rods (25) of the two threaded rods (25) are fixedly arranged on the top of a circular plate (26);
the supporting device comprises two sliding plates (2), two fixing rods (3) and two bottom plates (4), wherein the two sliding plates (2) are symmetrically and slidably arranged on the box body (1), the two fixing rods (3) are correspondingly and fixedly arranged at the bottoms of the two sliding plates (2), the two bottom plates (4) are correspondingly and fixedly arranged at the bottoms of the two fixing rods (3), and the two sliding plates (2) are in threaded connection with the two screw rods (25);
the mobile device comprises a supporting rod (6), a transverse plate (9) and a plurality of guide wheels (10), wherein the supporting rod (6) is slidably mounted at the bottom of the box body (1), the transverse plate (9) is fixedly mounted at the bottom end of the supporting rod (6), and the guide wheels (10) are movably mounted at the bottom of the transverse plate (9).
2. The field detection device of the flexible direct-current transmission converter valve submodule according to claim 1, wherein the bottom of the box body (1) is provided with a sliding hole (5), the supporting rod (6) is slidably arranged in the sliding hole (5), and the supporting rod (6) is fixedly provided with a pressure spring (11).
3. The field detection device of the flexible direct-current transmission converter valve submodule according to claim 1, wherein the transmission device comprises two transmission plates (14), two first connecting rods (15) and two second connecting rods (16), the two transmission plates (14) are symmetrically and rotatably arranged at the bottom of the box body (1), the two first connecting rods (15) and the two second connecting rods (16) are correspondingly and slidably arranged on the two transmission plates (14), one ends of the two first connecting rods (15) are correspondingly and movably connected with the two fixed rods (3), and the two second connecting rods (16) are both movably connected with the transverse plates (9).
4. A field detection device for a flexible direct current transmission converter valve submodule according to claim 3, wherein two fixing plates (12) are symmetrically and fixedly arranged at the bottom of the box body (1), mounting rods (13) are rotatably arranged on the two fixing plates (12), and two transmission plates (14) are fixedly arranged on the two mounting rods (13).
5. The field detection device of the flexible direct-current transmission converter valve submodule according to claim 1, wherein the box body (1) is provided with a mounting hole (19), two sliding blocks (20) are symmetrically and slidably arranged in the mounting hole (19), and the placing box (21) is slidably arranged on the two sliding blocks (20).
6. The field detection device of the flexible direct-current transmission converter valve submodule according to claim 1, wherein the driving wheels (28) are fixedly arranged on the two screw rods (25), and the same belt (29) is movably arranged on the two driving wheels (28).
7. Use of a field test device for a flexible dc transmission converter valve sub-module according to any of claims 1-6, comprising the steps of:
s1: firstly, the device is moved to a proper using position through a plurality of guide wheels (10), after the device is moved, a handle (27) is held, one screw (25) of two screws (25) is rotated through the handle (27) and a circular plate (26), and one screw (25) of the two screws (25) drives the other screw (25) to rotate through two driving wheels (28) and a belt (29);
s2: the two screws (25) drive the two sliding plates (2) to move, the two sliding plates (2) drive the two fixing rods (3) to move, the two fixing rods (3) drive the two bottom plates (4) to move, so that the device can be supported, and meanwhile, the two fixing rods (3) drive the transverse plates (9) to move upwards through the two first connecting rods (15), the two transmission plates (14) and the two second connecting rods (16), so that the guide wheels (10) can be retracted while the device is supported, and the stability of the device in use is effectively ensured;
s3: and diaphragm (9) can drive backup pad (7) through bracing piece (6) and remove when upwards moving, and backup pad (7) drive is placed case (21) and is removed, places case (21) and drives clamping lever (23) and remove for clamping lever (23) shift out in restrictor tube (24), thereby can shift out placing case (21), be convenient for take the instrument, it is very convenient to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111188287.1A CN114167157B (en) | 2021-10-12 | 2021-10-12 | On-site detection device and method for flexible direct-current transmission converter valve submodule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111188287.1A CN114167157B (en) | 2021-10-12 | 2021-10-12 | On-site detection device and method for flexible direct-current transmission converter valve submodule |
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| CN114167157A CN114167157A (en) | 2022-03-11 |
| CN114167157B true CN114167157B (en) | 2024-01-02 |
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| CN202111188287.1A Active CN114167157B (en) | 2021-10-12 | 2021-10-12 | On-site detection device and method for flexible direct-current transmission converter valve submodule |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757159A (en) * | 1996-10-10 | 1998-05-26 | International Business Machines Corporation | Height stage for positioning apparatus |
| CN209858688U (en) * | 2019-03-28 | 2019-12-27 | 安徽能通新能源科技有限公司 | Direct current insulation detection device |
| CN210222140U (en) * | 2019-04-22 | 2020-03-31 | 广州腾莉检测技术有限公司 | Device for testing power interference |
| CN210534191U (en) * | 2019-06-04 | 2020-05-15 | 深圳拓普科新能源科技有限公司 | Convenient to carry's battery voltage detector |
| CN211292972U (en) * | 2019-10-25 | 2020-08-18 | 深圳市富临通实业股份有限公司 | Quick transformer phase detection device |
| CN111884140A (en) * | 2020-07-17 | 2020-11-03 | 国网山东省电力公司栖霞市供电公司 | Butt-joint type wire fixing frame for eliminating heating defect of cable head in electrified mode |
| JP6784890B1 (en) * | 2019-09-06 | 2020-11-18 | 東陽市諾達電子科技有限公司 | Inspection and measurement equipment for cold resistance of building materials |
| DE202020104988U1 (en) * | 2020-08-06 | 2020-12-21 | Zhuhai Power Supply Bureau of Guangdong Power Grid Co. , Ltd. | Laser charged cleaners for surface contamination with high voltage |
| CN112343318A (en) * | 2021-01-07 | 2021-02-09 | 山东新活新材料科技有限公司 | Anti-tilting scaffold for building |
| CN112357310A (en) * | 2020-11-10 | 2021-02-12 | 北京拓扑冷链物流有限公司 | Cold chain case with adjustable multilayer |
| DE202021103031U1 (en) * | 2021-05-06 | 2021-06-23 | Guangdong Power Grid Co., Ltd | Protective device for a control box of a cable break external break warning device |
| CN214174465U (en) * | 2021-01-08 | 2021-09-10 | 山东南电电力有限公司 | Detection box for power equipment maintenance |
-
2021
- 2021-10-12 CN CN202111188287.1A patent/CN114167157B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757159A (en) * | 1996-10-10 | 1998-05-26 | International Business Machines Corporation | Height stage for positioning apparatus |
| CN209858688U (en) * | 2019-03-28 | 2019-12-27 | 安徽能通新能源科技有限公司 | Direct current insulation detection device |
| CN210222140U (en) * | 2019-04-22 | 2020-03-31 | 广州腾莉检测技术有限公司 | Device for testing power interference |
| CN210534191U (en) * | 2019-06-04 | 2020-05-15 | 深圳拓普科新能源科技有限公司 | Convenient to carry's battery voltage detector |
| JP6784890B1 (en) * | 2019-09-06 | 2020-11-18 | 東陽市諾達電子科技有限公司 | Inspection and measurement equipment for cold resistance of building materials |
| CN211292972U (en) * | 2019-10-25 | 2020-08-18 | 深圳市富临通实业股份有限公司 | Quick transformer phase detection device |
| CN111884140A (en) * | 2020-07-17 | 2020-11-03 | 国网山东省电力公司栖霞市供电公司 | Butt-joint type wire fixing frame for eliminating heating defect of cable head in electrified mode |
| DE202020104988U1 (en) * | 2020-08-06 | 2020-12-21 | Zhuhai Power Supply Bureau of Guangdong Power Grid Co. , Ltd. | Laser charged cleaners for surface contamination with high voltage |
| CN112357310A (en) * | 2020-11-10 | 2021-02-12 | 北京拓扑冷链物流有限公司 | Cold chain case with adjustable multilayer |
| CN112343318A (en) * | 2021-01-07 | 2021-02-09 | 山东新活新材料科技有限公司 | Anti-tilting scaffold for building |
| CN214174465U (en) * | 2021-01-08 | 2021-09-10 | 山东南电电力有限公司 | Detection box for power equipment maintenance |
| DE202021103031U1 (en) * | 2021-05-06 | 2021-06-23 | Guangdong Power Grid Co., Ltd | Protective device for a control box of a cable break external break warning device |
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| CN114167157A (en) | 2022-03-11 |
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