CN112510387A - Grounding wire with positioning and closed state monitoring functions - Google Patents
Grounding wire with positioning and closed state monitoring functions Download PDFInfo
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- CN112510387A CN112510387A CN202011473426.0A CN202011473426A CN112510387A CN 112510387 A CN112510387 A CN 112510387A CN 202011473426 A CN202011473426 A CN 202011473426A CN 112510387 A CN112510387 A CN 112510387A
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- grounding wire
- wire
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- positioning
- clamping
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 13
- 230000005611 electricity Effects 0.000 description 12
- 239000004020 conductor Substances 0.000 description 7
- 206010014357 Electric shock Diseases 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a grounding wire with positioning and closed state monitoring functions, which comprises a grounding wire clamp unit, a copper wire, a fixing clamp unit and a transmission unit, wherein the copper wire is fixedly connected with the grounding wire clamp unit; the grounding wire clamp unit is used for clamping and hanging the wire; the copper wire is used for connecting the grounding wire clamp unit and the fixing clamp unit; the fixing and clamping unit is used for clamping and fixing the tower material of the tower; the transmission unit, be used for transmitting pressure signal, monitoring information and locating information, use earth clamp unit and release structure's cooperation, can effectual clamp electrified wire one end, and when meeting external unusual weather, the earth clamp unit also is difficult for droing, compare with original suggestion earth connection, the factor of safety of use has been improved, simultaneously inside is equipped with the transmission unit, can be with device place mounted position and clamping pressure parameter rear end transmission, in time know the clamping effect and the mounted position parameter of device, it is convenient to carry out follow-up demolishment and maintenance during operation.
Description
Technical Field
The invention relates to the technical field of electric grounding, in particular to a grounding wire with positioning and closed state monitoring functions.
Background
The grounding wire is used for leading current on a metal shell of the electric power equipment which is possibly electrified to the ground, and an electric shock accident is caused when a person contacts the grounding wire. If the shell of the equipment is not grounded, the human body is in direct contact with the equipment, the electric leakage possibly generated on the equipment is caused, the human body is in direct contact with the equipment to generate electric shock injury, the leakage current can be conducted to the ground by using the grounding wire, the danger of personal electric shock is avoided, and the operating personnel at the operating site are protected;
however, when the grounding wire is operated, a common grounding wire is installed outdoors, and the grounding effect and the integrity of the device of the common grounding wire are difficult to ensure aiming at outdoor weather change; firstly, the problem that the grounding wire slides off or is incompletely clamped due to the change of the external environment can cause the failure of the original action of the grounding wire, and once a person contacts the shell of the live equipment, the danger of electric shock is easily caused; secondly, in an external environment, a part of the installation point of the ground wire device needs to be monitored so as to ensure real-time control of the state of the installation point.
Disclosure of Invention
The invention aims to solve the problems and discloses a grounding wire with positioning and closed state monitoring functions, which comprises a grounding wire clamp unit, a copper wire, a fixing clamp unit and a transmission unit, wherein the copper wire is fixedly clamped on the fixing clamp unit;
the grounding wire clamp unit is used for clamping and hanging the wire;
the copper wire is used for connecting the grounding wire clamp unit and the fixing clamp unit;
the fixing and clamping unit is used for clamping and fixing the tower material of the tower;
and the transmission unit is used for transmitting the pressure signal, the monitoring information and the positioning information.
The grounding wire clamp unit comprises a main clamp body and an auxiliary clamp body, wherein the inner wall of the main clamp body is rotatably connected with a pin shaft, the side wall surface of the pin shaft, which extends into the main clamp body, is fixedly connected with the auxiliary clamp body, one end of the pin shaft, which extends out of the main clamp body, is provided with a convex block, the convex block is fixedly connected with the auxiliary clamp body, the corresponding inner walls of the main clamp body and the auxiliary clamp body are respectively provided with a first action groove and a second action groove, the inner walls of the first action groove and the second action groove are respectively connected with a first clamp block and a second clamp block in a sliding manner, a first spring is fixedly connected between the first clamp block and the first action groove, and a second spring is fixedly connected between the second clamp;
the inner wall of main clamp is equipped with release structure, and release structure includes carousel, connecting rod, pivot and pull rod, and above-mentioned part connects gradually, and the pull rod is kept away from pivot one end and is rotated and connect in the outer wall of lug, and the outside of carousel is equipped with and blocks the piece, blocks fixedly connected with third spring between piece and the main clamp.
The outer side of the rotary table is provided with an anti-skid block.
The transmission unit comprises a first pressure sensor, a second pressure sensor and a third pressure sensor, the sensors are respectively arranged inside the first clamping block, the second clamping block and the fixing clamp unit, the sensors are all electrically connected with the processing module, and the processing module is electrically connected with the monitoring module through the transmission module.
The inner wall of the main clamp body is also fixedly connected with a positioning module, and the positioning module is electrically connected with the monitoring module.
The fixing and clamping unit comprises a base and a partition board which are fixedly connected, an extrusion piece is screwed on the inner wall of the partition board, and the extrusion piece is close to an extrusion disc fixedly connected with one end of the base.
The inner wall of base rotates and is connected with supplementary fastener, and supplementary fastener keeps away from base one end joint in the outside of space bar.
The invention has the following beneficial effects: use ground clamp unit and release structure's cooperation, can effectual clamp electrified wire one end, and when meeting external unusual weather, ground clamp unit also is difficult for droing, compares with original suggestion earth connection, has improved the factor of safety of use, and inside is equipped with the transmission unit simultaneously, can be with device place mounted position and clamping pressure parameter rear end transmission, in time knows the clamping effect and the mounted position parameter of device, and it is convenient to carry out follow-up demolising and maintenance during operation.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of module connections;
in the figure: 1. the ground wire clamp comprises a ground wire clamp unit, 11, a main clamp body, 111, a first moving groove, 12, an auxiliary clamp body, 121, a second moving groove, 13, a pin shaft, 14, a bump, 15, a first clamp block, 16, a second clamp block, 17, a first spring, 18, a second spring, 2, a copper wire, 3, a fixing clamp unit, 31, a base, 32, a partition plate, 33, an extrusion piece, 34, an extrusion disc, 35, an auxiliary clamp piece, 4, a transmission unit, 41, a first pressure sensor, 42, a second pressure sensor, 43, a third pressure sensor, 44, a processing module, 45, a transmission module, 46, a monitoring module, 47, a positioning module, 5, a release structure, 51, a rotary disc, 52, a connecting rod, 53, a rotating shaft, 54, a pull rod, 55, a blocking block, 56, a third spring, 6 and an anti-slip block.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
During the use, utilize ground clamp unit 1 to carry out the centre gripping to the wire, use fixing clip unit 3 to add and hold on shaft tower material, the centre gripping is under the electrically conductive effect of copper line 2, with current transmission to fixing clip unit 3.
Under the elastic action of the first spring 17 and the second spring 18, the first clamping block 15 and the second clamping block 16 are pushed to be always clamped towards one side close to the wire, and the state of clamping the wire is kept;
when a wire is clamped, under the elastic action of the third spring 56, namely, the third spring 56 always presses the stop block 55, so that the rotary disc 51 keeps the state shown in fig. 1, at this time, the rotary disc 51 is fixed, so that the rotary disc 51 is in a stable state through the connecting rod 52, the rotating shaft 53 and the lug 14 connected with the pull rod 54, and the auxiliary clamp 12 is in a fixed state, namely, the main clamp 11 and the auxiliary clamp 12 are always in a clamping state, the clamping work of the grounding wire clamp unit 1 on the wire can be released by using the releasing structure 5, the stop block 55 presses the third spring 56 by rotating the rotary disc 51, when the rotary disc 51 rotates, the lug 14 is pulled through the connecting rod 52, the rotating shaft 53 and the pull rod 54, so that the auxiliary clamp 12 can rotate to the side far away from the main clamp 11 by taking the pin shaft 13 as a rotation center, at this time, the clamped wire is released, and the grounding wire clamp unit can, the outer side of the rotating disc 51 is provided with an anti-skid block 6 for increasing the friction force and facilitating the rotation of the rotating disc 51;
when utilizing fixing clip unit 3 to fix the tower material, screw extrusion piece 33 to keeping away from base 31 one end and go out, after having placed tower material and fixing clip unit 3 position, screw extrusion piece 3, utilize the extrusion dish 34 cooperation base 31 of its bottom to extrude fixedly the tower material.
Example 2
Applying a grounding wire with positioning and closed state monitoring to a certain power unit, clamping a wire by using a grounding wire clamp unit 1, firstly rotating a rotary disc 51 to open a main clamp body 11 and an auxiliary clamp body 12, clamping the wire by using a first clamp block 15 and a second clamp block 16, screwing an extrusion part 33 in a fixing and clamping unit 3 out of a partition plate 32, placing the fixing and clamping unit 3 on a conductive body which can be clamped and connected, and screwing the extrusion part 33 to clamp the conductive body which is connected and connected between an extrusion disc 34 and a base 31;
the high-voltage electroscope is used for measuring the conducting wire, the high-voltage electroscope gives an alarm to indicate that the conducting wire is electrified and exceeds a dangerous value, the high-voltage electroscope is used for measuring the conducting wire after a grounding wire is placed, and the high-voltage electroscope does not give an alarm to indicate that the conducting wire is electrified and is lower than the dangerous value, namely, the grounding wire works normally;
the monitoring module 46 can observe the pressure data of the ground wire to the lead and the ground conductor so as to judge whether the clamp clamps the lead and accurately position the position of the ground wire;
example 3
The main clamp body 11 and the auxiliary clamp body 12 are opened by using the releasing structure 5, the ground wire clamp unit 1 is used for clamping the main clamp body and the auxiliary clamp body with the outer side of a lead, and one end of the other end fixing and clamping unit connected through a copper wire is clamped with a ground conductor;
the simulation wind power vibration effect with the vibration frequency of 10 times/min is implemented at the two ends of the lead;
testing the electricity of the lead during and after the vibration;
the experimental results are as follows: clamping money on the grounding wire clamp unit to test the wire, and detecting and displaying that the strip point of the wire is higher than a dangerous value by an electroscope; after the grounding wire clamp unit is held, the conducting wire is tested, and the electroscope detects and displays that the live-line of the conducting wire is lower than a dangerous value; the number of times of electricity testing is 10 when the lead vibrates, wherein the 2-time electricity testing result shows that the electrified lead exceeds a dangerous value, and the qualified inspection grounding rate is 80%.
Example 4
The main clamp body 11 and the auxiliary clamp body 12 are opened by using the releasing structure 5, the ground wire clamp unit 1 is used for clamping the main clamp body and the auxiliary clamp body with the outer side of a lead, and one end of the other end fixing and clamping unit connected through a copper wire is clamped with a ground conductor;
the simulation wind power vibration effect with the vibration frequency of 10 times/min is implemented at the two ends of the lead;
testing the electricity of the lead during and after the vibration;
the experimental results are as follows: clamping money on the grounding wire clamp unit to test the wire, and detecting and displaying that the strip point of the wire is higher than a dangerous value by an electroscope; after the grounding wire clamp unit is held, the conducting wire is tested, and the electroscope detects and displays that the live-line of the conducting wire is lower than a dangerous value; the electricity testing frequency of the lead is 100 times during vibration, wherein 5 times of electricity testing result shows that the electrified lead exceeds a dangerous value, and the qualified inspection grounding rate is 95%;
and each change in pressure data transmitted by the pressure sensor may be detected by the monitoring module 46.
Example 5
The grounding wire is applied to outdoor large-scale power transmission equipment, the clamping pressure of the first clamping block and the second clamping block on the wire and the clamping pressure of the fixing clamping unit inside the tower material or the grounding conductor can be checked through the monitoring module when the grounding wire is used, and meanwhile, the information of the installation position of the grounding wire can also be checked.
Comparative example 1
Replace ground clamp unit for the fish-mouth pincers, the concrete implementation mode is as follows:
opening the fish-mouth clamp by using external force, clamping the fish-mouth clamp outside the conducting wire, and clamping one end of the other end fixing and clamping unit connected through the copper wire with the grounding conductor;
the simulation wind power vibration effect with the vibration frequency of 10 times/min is implemented at the two ends of the lead;
testing the electricity of the lead during and after the vibration;
the experimental results are as follows: clamping money at the fish-mouth pliers to test the electricity of the lead, and detecting and displaying that the strip point of the lead is higher than a dangerous value by an electroscope; after the fish mouth pliers clamp the conducting wire, conducting electricity testing, and detecting and displaying that the live of the conducting wire is lower than a dangerous value through an electricity tester; the electricity testing frequency of the lead is 10 times during vibration, wherein the electricity testing result of 6 times shows that the electrified lead exceeds a dangerous value, and the qualified inspection grounding rate is 40%;
the clamping pressure change of the fish-mouth pliers on the lead cannot be observed by an operator.
To sum up, when using this ground clamp unit to replace fish-mouth pincers, can effectively strengthen the clamping wire effect, also can guarantee the clamping effect of ground clamp unit in adverse circumstances, avoid the earth connection during operation to take place the problem that drops, improve the security of operating personnel when carrying out the work, operate through operation release structure when demolising, the method is simple and convenient to demolish simply, and can learn the mounted position of the earth connection of installing and the pressure parameter to wire and even ground electric conductor after the installation through the transmission unit, can directly perceivedly see the clamping effect to wire and even ground electric conductor through the pressure parameter.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a possess location and closed state control's earth connection which characterized in that: the grounding wire clamp comprises a grounding wire clamp unit (1), a copper wire (2), a fixing clamp unit (3) and a transmission unit (4);
the grounding wire clamp unit (1) is used for clamping and hanging a wire;
the copper wire (2) is used for connecting the grounding wire clamp unit (1) and the fixing clamp unit (3);
the fixing clamp unit (3) is used for clamping and fixing the tower material of the tower;
and the transmission unit (4) is used for transmitting the pressure signal, the monitoring information and the positioning information.
2. The grounding wire with positioning and closed state monitoring of claim 1, wherein: the ground clamp unit (1) comprises a main clamp body (11) and an auxiliary clamp body (12), the inner wall of the main clamp body (11) is rotationally connected with a pin shaft (13), the outer side wall surface of the pin shaft (13) extending into the main clamp body (11) is fixedly connected with an auxiliary clamp body (12), a convex block (14) is arranged at one end of the pin shaft (13) extending out of the main clamp body (11), the convex block (14) is fixedly connected with the auxiliary clamp body (12), the corresponding inner walls of the main clamp body (11) and the auxiliary clamp body (12) are respectively provided with a first action groove (111) and a second action groove (121), the inner walls of the first action groove (111) and the second action groove (121) are respectively connected with a first clamping block (15) and a second clamping block (16) in a sliding way, a first spring (17) is fixedly connected between the first clamping block (15) and the first moving groove (111), a second spring (18) is fixedly connected between the second clamping block (16) and the second moving groove (121);
the inner wall of main clamp (11) is equipped with release structure (5), release structure (5) are including carousel (51), connecting rod (52), pivot (53) and pull rod (54), above-mentioned the part connects gradually, pull rod (54) are kept away from pivot (53) one end and are rotated and connect in the outer wall of lug (14), the outside of carousel (51) is equipped with and blocks piece (55), block fixedly connected with third spring (56) between piece (55) and main clamp (11).
3. The grounding wire with positioning and closed state monitoring of claim 2, wherein: and an anti-skid block (6) is arranged on the outer side of the rotary disc (51).
4. The grounding wire with positioning and closed state monitoring of claim 1, wherein: the transmission unit (4) comprises a first pressure sensor (41), a second pressure sensor (42) and a third pressure sensor (43), the sensors are respectively arranged inside the first clamping block (15), the second clamping block (16) and the fixing clamp unit (3), the sensors are all electrically connected with a processing module (44), and the processing module (44) is electrically connected with a monitoring module (46) through a transmission module (45).
5. The grounding wire with positioning and closed state monitoring of claim 4, wherein: the inner wall of the main clamp body (11) is also fixedly connected with a positioning module (47), and the positioning module (47) is electrically connected with a monitoring module (46).
6. The grounding wire with positioning and closed state monitoring of claim 5, wherein: the fixing clamp unit (3) comprises a base (31) and a partition plate (32), the base (31) is fixedly connected with the partition plate (32), an extrusion piece (33) is screwed on the inner wall of the partition plate (32), and the extrusion piece (33) is close to one end of the base (31) and is fixedly connected with an extrusion disc (34).
7. The grounding wire with positioning and closed state monitoring of claim 6, wherein: the inner wall of base (31) rotates and is connected with supplementary fastener (35), supplementary fastener (35) keep away from base (31) one end joint in the outside of space bar (32).
8. Use of a grounding line with positioning and closed state monitoring according to any one of claims 1 to 7 in outdoor large power transmission equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011473426.0A CN112510387A (en) | 2020-12-15 | 2020-12-15 | Grounding wire with positioning and closed state monitoring functions |
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CN202011473426.0A CN112510387A (en) | 2020-12-15 | 2020-12-15 | Grounding wire with positioning and closed state monitoring functions |
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CN112510387A true CN112510387A (en) | 2021-03-16 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116937196A (en) * | 2023-08-04 | 2023-10-24 | 北京住总第一开发建设有限公司 | Quick grounding device of electrical system |
-
2020
- 2020-12-15 CN CN202011473426.0A patent/CN112510387A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116937196A (en) * | 2023-08-04 | 2023-10-24 | 北京住总第一开发建设有限公司 | Quick grounding device of electrical system |
CN116937196B (en) * | 2023-08-04 | 2024-03-12 | 北京住总第一开发建设有限公司 | Quick grounding device of electrical system |
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