CN215955496U - 10kV switch cabinet copper bar grounding device - Google Patents
10kV switch cabinet copper bar grounding device Download PDFInfo
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- CN215955496U CN215955496U CN202023058376.8U CN202023058376U CN215955496U CN 215955496 U CN215955496 U CN 215955496U CN 202023058376 U CN202023058376 U CN 202023058376U CN 215955496 U CN215955496 U CN 215955496U
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- grounding
- assembly
- chuck
- switch cabinet
- operating rod
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000010949 copper Substances 0.000 title claims abstract description 33
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 33
- 238000012545 processing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 210000000056 organ Anatomy 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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Abstract
The application provides a 10kV cubical switchboard copper bar earthing device, its characterized in that: the grounding element is provided with a connecting end used for being electrically connected with a grounding end of the switch cabinet and a grounding end used for being connected with the ground, and the connecting end is electrically connected with the grounding end; the device comprises a grounding element and is characterized by further comprising an auxiliary clamping assembly used for detachably fixing the connecting end of the grounding element to the grounding end of the switch cabinet, wherein the auxiliary clamping assembly comprises a clamp assembly, an operating rod assembly and a driving assembly, the clamp assembly is used for clamping the connecting end of the grounding element, the operating rod assembly and the clamp assembly are matched to form a clamping structure, and the driving assembly is used for applying pretightening force to the operating rod assembly to enable the device and the grounding end of the switch cabinet to keep a clamping state. The 10kV switch cabinet copper bar grounding device can effectively improve the installation success rate of the grounding device, reduce safety risks and improve the power supply reliability; the connection copper bar that can be fast and stable shortens the time of articulating the ground wire.
Description
Technical Field
The application relates to the technical field of grounding of switch cabinets, in particular to a 10kV switch cabinet copper bar grounding device.
Background
Copper bars in the 10kV switch cabinet are grounded, the exposed area of the copper bars in the cabinet is small, a bolt cannot be reliably contacted with a chuck of a currently used grounding operating rod, and the copper bars can only be grounded by damaging a thermoplastic sleeve on a copper plate. The personnel are examined in team's fortune on high tension switchgear and are examined in advance, the power failure overhauls the during operation, because the copper bar that links to each other with the external line in this area most cubical switchboard is all by insulating heat shrinkage bush, parcel or scribble insulating paint for preventing the short circuit except that bolt and nut fastening point, use original earth connection can not accomplish ground connection fast, reliably, need to insert each outgoing line cable upper boom department or each outgoing line of copper bar conveniently to connect whole ground connection, pull out switchgear physical isolation rear can develop the maintenance work outside the cabinet simultaneously, lead to installing the earth connection process many, long time and easily make mistakes, intangible increase the safety risk. The safety regulations in each profession mention that the installed grounding wire should have good contact and reliable connection, and the reason why the grounding wire cannot be quickly and reliably grounded is that the original grounding rod is quickly clamped and grounded.
Therefore, a 10kV switch cabinet copper bar grounding device with good contact, reliable connection and quick clamping is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a 10kV switch cabinet copper bar grounding device, which is characterized in that: the grounding element is provided with a connecting end used for being electrically connected with a grounding end of the switch cabinet and a grounding end used for being connected with the ground, and the connecting end is electrically connected with the grounding end;
the device comprises a grounding element and is characterized by further comprising an auxiliary clamping assembly used for detachably fixing the connecting end of the grounding element to the grounding end of the switch cabinet, wherein the auxiliary clamping assembly comprises a clamp assembly, an operating rod assembly and a driving assembly, the clamp assembly is used for clamping the connecting end of the grounding element, the operating rod assembly and the clamp assembly are matched to form a clamping structure, and the driving assembly is used for applying pretightening force to the operating rod assembly to enable the device and the grounding end of the switch cabinet to keep a clamping state.
Further, the clamp assembly comprises a clamp of a C-shaped ring structure, a first chuck used for being electrically connected with a grounding end of the switch cabinet is arranged at the upper end of the clamp, and a connecting end of the grounding element is electrically connected with the first chuck.
Further, the operating rod assembly comprises a second chuck which penetrates through the lower end part of the clamp and is right opposite to the first chuck, and an operating rod which is slidably connected with the second chuck, the operating rod is of a hollow structure, a screw rod assembly fixedly connected with the second chuck and a power output shaft in transmission connection with the screw rod assembly are arranged in the operating rod, and the outer wall of the operating rod is subjected to insulation treatment;
the driving assembly comprises a motor, a power supply for supplying working power to the motor, a controller for controlling the motor and a shell for accommodating the driving assembly, and the output end of the motor is connected with the power output shaft through a motor adapter.
Furthermore, the driving assembly further comprises a sound alarm module, and the sound alarm module is used for sending out sound information after the first chuck and the second chuck fix the grounding end of the switch cabinet and the fixed time length exceeds the preset time length.
Further, all be provided with detachable swing joint's cross adapter on first chuck and the second chuck.
Further, the inside wall of the operating rod is provided with paired supporting pieces for limiting the power output shaft.
Further, the audible alarm module includes current signal acquisition unit, current signal processing unit and bee calling organ, current signal acquisition unit is used for gathering the control circuit's of motor current signal and inciting somebody to action current signal transmits for current signal processing unit, current signal processing unit is used for judging whether the current signal of handling exceeds predetermined current threshold value, if, then after the preset time, to bee calling organ signals, if not, then do not give bee calling organ signals.
The utility model has the beneficial technical effects that: the 10kV switch cabinet copper bar grounding device can effectively improve the installation success rate of the grounding device, reduce safety risks and improve the power supply reliability; the connection copper bar that can be fast and stable shortens the time of articulating the ground wire.
Drawings
The utility model is further described below with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present application.
Detailed Description
The utility model is further described with reference to the accompanying drawings in which:
the utility model provides a 10kV switch cabinet copper bar grounding device, which is characterized in that: the grounding element is provided with a connecting end used for being electrically connected with a grounding end of the switch cabinet and a grounding end used for being connected with the ground, and the connecting end is electrically connected with the grounding end; in this embodiment, the grounding element is a grounding wire, as shown in fig. 1, a channel for the grounding wire to pass through is arranged in the clamp 1, one end of the grounding wire is electrically connected with the first chuck 2, the other end of the grounding wire penetrates out of the C-shaped ring, and a double-hole wiring terminal 10 is arranged at the other end of the grounding wire; in this embodiment, the grounding wire is made of copper wire, which is soft and can easily pass through the inside of the C-shaped ring.
Still including being used for being fixed in the supplementary centre gripping subassembly of cubical switchboard earthing terminal with the link of ground element is detachable, supplementary centre gripping subassembly includes anchor clamps subassembly, action bars subassembly and drive assembly, 1 subassembly of anchor clamps is used for the link of centre gripping ground element, the action bars subassembly forms clamping structure with 1 subassembly cooperation of anchor clamps, drive assembly is used for to the action bars subassembly exerts the pretightning force and makes device and cubical switchboard earthing terminal keep the clamping state. By the technical scheme, the success rate of installing the grounding device can be effectively improved, the safety risk is reduced, and the power supply reliability is improved; the connection copper bar that can be fast and stable shortens the time of articulating the ground wire.
In this embodiment, the clamp assembly includes a clamp 1 having a C-shaped ring structure, a first clamping head 2 for electrically connecting to a grounding terminal of a switch cabinet is disposed at an upper end of the clamp 1, and a connecting end of the grounding element is electrically connected to the first clamping head 2. The first collet 2 may be a circular collet having a large contact area. And the first chuck 2 and the second chuck are both provided with a detachable and movably connected cross adapter. The clamp 1 of the C-shaped ring structure is made of ABS plastic.
In this embodiment, the operating rod assembly includes a second chuck 3 penetrating through the lower end of the fixture 1 and facing the first chuck 2, and an operating rod slidably connected to the second chuck 3, the operating rod is of a hollow structure, a screw rod assembly 4 fixedly connected to the second chuck and a power output shaft 6 in transmission connection with the screw rod assembly 4 are disposed in the operating rod, and the outer wall of the operating rod is subjected to insulation treatment; in the embodiment shown, the first chuck 2 is divided into a circular chuck and a convertible cross chuck, and brass is selected for economy and conductivity. The screw rod assembly 4 comprises a screw rod assembly, a flange plate and a telescopic ejector rod; the flange plate is fixed with the telescopic ejector rod, and the screw rod assembly rotationally pushes the flange plate to enable the telescopic ejector rod to slide upwards or downwards. The center of the structure of the circular chuck with structural design is provided with an internal thread, and the chuck can be arranged on the circular chuck, so that the circular chuck is suitable for various working conditions; two fixed orificess in both ends can be fixed on anchor clamps 1 outer insulating casing C type ring, above-mentioned technical scheme, and circular chuck and cross chuck can satisfy the clamping requirement of different grade type cubical switchboard copper bar.
The driving assembly comprises a motor 12, a power supply 14 for supplying power for the motor, a controller for controlling the motor and a shell 13 for accommodating the driving assembly, wherein the output end of the motor 12 is connected with the power output shaft 6 through a motor adapter 11. In this embodiment, motor 12 is direct current gear motor, and this application only needs telescopic motion, so choose direct current gear motor for use, and the power is the lithium cell power supply, and 12V polymer lithium cell is selected to the power, but rechargeable cycle uses, and is more energy-concerving and environment-protective than the dry battery to improve its economic nature. The power supply mode comprises the following steps: two groups of power supplies are used for supplying power, one group is a 12V power supply supplied by a lithium battery and mainly supplies power to a main control circuit; the other group is a 5v power supply converted from a circuit, which mainly supplies power to an auxiliary circuit part including a controller power supply circuit. The power output shaft is an insulating transmission shaft and is used for transmitting the kinetic energy of the motor to the end part, and a phi 8-phi 10mm epoxy glass fiber rod can be used as the transmission shaft, so that the power output shaft has good insulating property and strong mechanical strength. The power output shaft is composed of a glass fiber rod, a plurality of supporting pieces are arranged in the operating rod, so that the operating rod can rotate smoothly, and two ends of the operating rod are connected by a coupling; the outer part consists of a glass fiber tube to ensure good insulation.
In this embodiment, the driving assembly further includes an audible alarm module, and the audible alarm module is configured to send out audible information after the first chuck 2 and the second chuck fix the ground end of the switch cabinet and the fixed duration exceeds a preset duration. In order to better identify whether the assembly reliable grounding rod is clamped or not, an alarm device is added on the device, and a signal acquisition part is a front part of the device. After the judgment, if the pressure value reaches the set value, the buzzer gives out a dripping alarm after buffering for 3s (time is adjustable and is mainly used for false alarm), and prompts a user that the pressure value meets the requirement.
As shown in fig. 1, the inner side wall of the operating rod is provided with a pair of supporting pieces for limiting the power output shaft.
In this embodiment, the audible alarm module includes current signal acquisition unit, current signal processing unit and bee calling organ, current signal acquisition unit is used for gathering the master control circuit's of motor current signal will current signal gives current signal processing unit, current signal processing unit is used for judging whether the current signal of handling exceeds predetermined current threshold value, if, then after the default time, to bee calling organ signals, if not, then do not give bee calling organ signals. The current signal acquisition unit is a preposed part of the sound alarm module, is manufactured based on the Hall detection principle, monitors the current of a main control circuit of the motor, processes the monitored current signal through an ACS712ELC chip and converts the current signal into an analog signal for output. The current signal processing unit amplifies and compares the analog signal of the front part through the LM393, and if the judgment is made, the buzzer sends out the alarm sound of dripping after buffering for 3s (time is adjustable and is mainly used for false alarm) if the analog signal reaches the set value, so as to prompt a user that the pressure value meets the requirement.
The insulating length of the 10kV switch cabinet copper bar insulating device is 10kV, the safety distance is 700mm, the device drives an insulating transmission shaft by a motor at the tail end of a handle, and then drives a telescopic rod of a screw rod component through the insulating transmission shaft, so that the telescopic rod moves upwards; the pushing force is used for reliably connecting the grounding copper bar (the surface of the bolt) with the top of the device; the top of the device is of a C-shaped clamp structure, wherein the top is composed of a copper plate, a copper connecting wire of the copper plate is led out from the inside of the C-shaped clamp, the tail end of the copper wire is in compression joint with a double-hole wiring terminal, and a grounding wire can be connected to the double-hole wiring terminal during working; the handle part is provided with two switches: firstly, adjusting (a telescopic ejector rod) to move forwards and backwards, and secondly, inching a switch; and the handle part is provided with an audible alarm device, when the top end of the 10kV switch cabinet copper bar insulation device works, the audible alarm device is reliably contacted, the inching switch is continuously pressed to prevent the hand from loosening, the audible alarm device can send out a harsh alarm sound, the device is prompted to be reliably contacted with the switch cabinet copper bar, and the next operation can be carried out.
The device also comprises a handle part shell made of ABS plastic, a inching switch and a forward and reverse rotating switch are arranged right above the handle part shell, the forward and reverse gear shifting switch is shifted upwards, the device is in a clamping preparation state, and the downward shifting switch is in a loosening preparation state; then the starting switch is pressed to start the clamping or loosening of the device. The positive and negative gear shifting switch is shifted to be in the middle position, and the device is in a power-off state.
The interior of the handle consists of a motor, a battery and a sound alarm, wherein the motor is a 12V direct current motor, and the battery is a rechargeable lithium battery; the audible alarm can give out a buzzing alarm sound after the device is reliably contacted for 3S.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a 10kV cubical switchboard copper bar earthing device which characterized in that: the grounding element is provided with a connecting end used for being electrically connected with a grounding end of the switch cabinet and a grounding end used for being connected with the ground, and the connecting end is electrically connected with the grounding end;
the device comprises a grounding element and is characterized by further comprising an auxiliary clamping assembly used for detachably fixing the connecting end of the grounding element to the grounding end of the switch cabinet, wherein the auxiliary clamping assembly comprises a clamp assembly, an operating rod assembly and a driving assembly, the clamp assembly is used for clamping the connecting end of the grounding element, the operating rod assembly and the clamp assembly are matched to form a clamping structure, and the driving assembly is used for applying pretightening force to the operating rod assembly to enable the device and the grounding end of the switch cabinet to keep a clamping state.
2. The 10kV switchgear copper bar grounding device according to claim 1, wherein: the fixture assembly comprises a fixture of a C-shaped ring structure, a first chuck used for being electrically connected with a grounding end of the switch cabinet is arranged at the upper end of the fixture, and a connecting end of the grounding element is electrically connected with the first chuck.
3. The 10kV switchgear copper bar grounding device according to claim 1, wherein: the operating rod assembly comprises a second chuck which penetrates through the lower end part of the clamp and is right opposite to the first chuck, and an operating rod which is slidably connected with the second chuck, the operating rod is of a hollow structure, a screw rod assembly fixedly connected with the second chuck and a power output shaft in transmission connection with the screw rod assembly are arranged in the operating rod, and the outer wall of the operating rod is subjected to insulation treatment;
the driving assembly comprises a motor, a power supply for supplying working power to the motor, a controller for controlling the motor and a shell for accommodating the driving assembly, and the output end of the motor is connected with the power output shaft through a motor adapter.
4. The 10kV switch cabinet copper bar grounding device according to claim 3, wherein: the driving assembly further comprises a sound alarm module, and the sound alarm module is used for sending sound information after the first chuck and the second chuck fix the grounding end of the switch cabinet and the fixed time length exceeds the preset time length.
5. The 10kV switchgear copper bar grounding device according to claim 4, wherein: and the first chuck and the second chuck are respectively provided with a detachable movably connected cross adapter.
6. The 10kV switch cabinet copper bar grounding device according to claim 3, wherein: and paired supporting pieces used for limiting the power output shaft are arranged on the inner side wall of the operating rod.
7. The 10kV switchgear copper bar grounding device according to claim 4, wherein: the sound alarm module comprises a current signal acquisition unit, a current signal processing unit and a buzzer, wherein the current signal acquisition unit is used for acquiring a current signal of a control circuit of the motor and transmitting the current signal to the current signal processing unit, the current signal processing unit is used for judging whether the processed current signal exceeds a preset current threshold value, if so, the current signal is sent to the buzzer after preset time, and if not, the current signal is not sent to the buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023058376.8U CN215955496U (en) | 2020-12-17 | 2020-12-17 | 10kV switch cabinet copper bar grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023058376.8U CN215955496U (en) | 2020-12-17 | 2020-12-17 | 10kV switch cabinet copper bar grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215955496U true CN215955496U (en) | 2022-03-04 |
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ID=80505305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023058376.8U Active CN215955496U (en) | 2020-12-17 | 2020-12-17 | 10kV switch cabinet copper bar grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215955496U (en) |
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2020
- 2020-12-17 CN CN202023058376.8U patent/CN215955496U/en active Active
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