CN211428053U - Grounding switch for preventing live grounding - Google Patents
Grounding switch for preventing live grounding Download PDFInfo
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- CN211428053U CN211428053U CN202020195529.4U CN202020195529U CN211428053U CN 211428053 U CN211428053 U CN 211428053U CN 202020195529 U CN202020195529 U CN 202020195529U CN 211428053 U CN211428053 U CN 211428053U
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- rotating rod
- grounding
- static contact
- connecting seat
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Abstract
The utility model discloses a grounding switch for preventing charged grounding, which comprises a static contact unit, a rotating rod connecting seat, a moving contact unit and a charged detection unit, wherein the static contact unit comprises an insulating seat, the upper surface of the insulating seat is connected with an insulator through a bolt, the right end of the insulator at the left end is provided with the static contact connecting seat, the rotating rod connecting seat comprises a linear support, the leftmost end of the linear support is welded with an arc support, the moving contact unit comprises a rotating rod, one end of the rotating rod is rotatably connected with the linear support through a rotating shaft, the upper end of the left side wall of the rotating rod is provided with a power-on contact, the charged detection unit comprises a charged detection box, the front surface of the charged detection box is provided with a buzzer alarm, the inner bottom end of the charged detection box is provided with a singlechip module and a current detection module, the current, the singlechip module controls the buzzer alarm to give out audible and visual alarm.
Description
Technical Field
The utility model relates to a prevent earthing switch technical field of electrified ground connection, specifically be an earthing switch of electrified ground connection prevents.
Background
The earthing switch is a mechanical earthing device which releases static electricity of overhauled equipment and a loop and ensures the personal safety of an overhaul worker during power failure overhaul, can bear current for a certain time under abnormal conditions, but does not pass load current under normal conditions, and is usually a part of an isolating switch.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a earthing switch who prevents electrified ground connection, this earthing switch moving contact and static contact that prevent electrified ground connection can not produce not hard up and part, and operating personnel must just can carry out the ground connection operation through testing the electricity after, prevent to bring the threat for operation personnel safety, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a grounding switch for preventing live grounding comprises a grounding switch base, a static contact unit, a rotating rod connecting seat, a moving contact unit and a live detection unit;
the earthing switch base: the lower end of the grounding switch base is of a rectangular structure, and the upper end of the grounding switch base is of an isosceles trapezoid structure;
a static contact unit: the static contact unit comprises an insulating seat, the insulating seat is symmetrically connected to inclined planes on the left side and the right side of the grounding switch base through bolts, insulators are connected to the upper surface of the insulating seat through bolts, a static contact connecting seat is arranged at the right end of the insulator on the left side, the left side of the static contact connecting seat is of an opening structure, the innermost side of the opening structure is of an arc structure, a power-on contact is arranged in the middle of the arc structure, and rectangular grooves are symmetrically formed in the upper surface of the static contact connecting seat;
the rotating rod connecting seat: the rotating rod connecting seat comprises a linear support and an arc-shaped support, the arc-shaped support is welded at the leftmost end of the linear support, a track groove is formed in the left side wall of the arc-shaped support, and elliptical grooves are symmetrically formed in the front surface and the rear surface of the arc-shaped support;
moving contact unit: the moving contact unit comprises a rotating rod, one end of the rotating rod is rotatably connected with the linear support through the rotating shaft, the other end of the rotating rod is in threaded connection with a rubber handle, the upper end of the left side wall of the rotating rod is provided with a power-on contact, and the rotating rod is rotated through rotating the rubber handle, so that the power-on contact on the rotating rod is connected with the power-on contact at the upper end of the static contact connecting;
a live detection unit: the electrified detection unit comprises an electrified detection box, the electrified detection box is connected to the front surface of the grounding switch base through a bolt, a toggle switch is arranged on the front surface of the electrified detection box, a buzzer alarm is arranged at the left end of the toggle switch, a single chip microcomputer module, a current detection module and an energy storage lithium battery are sequentially arranged at the inner bottom end of the electrified detection box from left to right, current detection is carried out on the cable side of the grounding switch through the current detection module, when the current detection module detects current, the single chip microcomputer module controls the buzzer alarm to give out an audible and visual alarm, the grounding of the grounding switch is prevented from being electrified, and personal safety of operators is thre;
wherein: the welding of sharp support is at earthing switch's left side wall, and the dwang is nested in the track inslot of arc support, and energy storage lithium cell, current detection module and single chip module are connected after the electricity is connected in series in proper order and are connected with toggle switch electricity, and current detection module is parallelly connected with earthing switch cable side, and buzzer siren is connected to single chip module's output electricity.
Further, still include electric telescopic handle, the threaded connection of electric telescopic handle symmetry is on the lateral wall around the dwang, and electric telescopic handle sets up in the position department that corresponds the elliptical trough, single chip module's output is connected to electric telescopic handle's input electricity, through electric telescopic handle extension nestification in the elliptical trough, make the dwang unable rotate, prevent to examine the electricity under emergency and just the illegal operation of ground connection, bring the threat for operation personnel safety, when current detection module does not detect the electric current, single chip module control electric telescopic handle shrink, the dwang can normally rotate.
Further, still include the dwang fastener, the dwang fastener contains the sliding block, and the sliding block is all nested in the slide that lateral wall was equipped with around the dwang, and the front surface of slider all is equipped with the cardboard, makes the cardboard nestification through the sliding block in the rectangular channel that static contact connecting seat was equipped with, prevents that moving contact and static contact from producing not hard up and separately.
Compared with the prior art, the beneficial effects of the utility model are that: this prevent earthing switch with electricity ground connection has following benefit:
1. the utility model discloses be equipped with electrified detecting element, carry out current detection to the earthing switch cable side through current detection module, when current detection module detected the electric current, single chip module control buzzer siren sent audible-visual annunciation, prevented that earthing switch from electrified ground connection, brought the threat for operating personnel's personal safety.
2. The utility model discloses be equipped with electric telescopic handle, through electric telescopic handle extension nestification in the elliptical trough, make the dwang can't rotate, prevent to not test the electricity under the emergency and just the violation operation of ground connection, bring the threat for operation personnel safety, when current detection module does not detect the electric current, single chip module control electric telescopic handle shrink, operating personnel must just can carry out the ground connection operation after testing the electricity.
3. The utility model discloses be equipped with the dwang fastener, make cardboard nestification in the rectangular channel that static contact connecting seat was equipped with through the slider that slides, prevent that moving contact and static contact from producing not hard up and separately.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the live-line detection box of the present invention;
fig. 3 is a top view of the static contact connecting seat of the present invention;
fig. 4 is a schematic structural view of the rotating rod clamping member of the present invention;
fig. 5 is a schematic view of the tail end structure of the rotating rod of the present invention.
In the figure: the device comprises a grounding switch base 1, a static contact unit 2, an insulating base 21, an insulator 22, a static contact connecting base 23, a rectangular groove 24, a rotating rod connecting base 3, a linear supporting base 31, an arc supporting base 32, an elliptical groove 33, a moving contact unit 4, a rotating rod 41, a rubber handle 42, a live detection unit 5, a live detection box 51, a buzzer alarm 52, a toggle switch 53, an energy storage lithium battery 54, a current detection module 55, a singlechip module 56, an electric telescopic rod 6, a rotating rod clamping piece 7, a sliding block 71 and a clamping plate 72.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-5, the present invention provides a technical solution: a grounding switch for preventing live grounding comprises a grounding switch base 1, a static contact unit 2, a rotating rod connecting seat 3, a moving contact unit 4 and a live detection unit 5;
earthing switch base 1: the lower end of the grounding switch base 1 is of a rectangular structure, and the upper end of the grounding switch base 1 is of an isosceles trapezoid structure;
the static contact unit 2: the static contact unit 2 comprises an insulating base 21, the insulating base 21 is symmetrically connected to the inclined planes on the left side and the right side of the grounding switch base 1 through bolts, the upper surface of the insulating base 21 is connected with insulators 22 through bolts, a static contact connecting base 23 is arranged at the right end of the insulator on the left side, the left side of the static contact connecting base 23 is of an opening structure, the innermost side of the opening structure is of an arc structure, a power-on contact is arranged in the middle of the arc structure, and rectangular grooves 24 are symmetrically formed in the upper surface of the static contact connecting base 23;
dwang connecting seat 3: the rotating rod connecting seat 3 comprises a linear support 31 and an arc-shaped support 32, the arc-shaped support 32 is welded at the leftmost end of the linear support 31, a track groove is formed in the left side wall of the arc-shaped support 32, and elliptical grooves 33 are symmetrically formed in the front surface and the rear surface of the arc-shaped support 32;
moving contact unit 4: the moving contact unit 4 comprises a rotating rod 41, one end of the rotating rod 41 is rotatably connected with the linear support 31 through the rotating shaft, the other end of the rotating rod 41 is in threaded connection with a rubber handle 42, the upper end of the left side wall of the rotating rod 41 is provided with a power-on contact, and the rotating rod 41 is rotated through rotating the rubber handle 42, so that the power-on contact on the rotating rod 41 is connected with the power-on contact on the upper end of the static contact connecting base;
the electrification detecting unit 5: the live detection unit 5 comprises a live detection box 51, the live detection box 51 is connected to the front surface of the grounding switch base 1 through a bolt, a toggle switch 53 is arranged on the front surface of the live detection box 51, a buzzer alarm 52 is arranged at the left end of the toggle switch 53, a single chip microcomputer module 56, a current detection module 55 and an energy storage lithium battery 54 are sequentially arranged at the bottom end of the interior of the live detection box 51 from left to right, current detection is carried out on the side of a grounding switch cable through the current detection module 55, when the current detection module 55 detects current, the single chip microcomputer module 56 controls the buzzer alarm 52 to give out an audible and visual alarm, the grounding of the grounding switch is prevented, and the personal safety of operators is thre;
wherein: the straight line support 31 is welded at the left side wall of the earthing switch 1, the rotating rod 41 is nested in the track groove of the arc support 32, the energy storage lithium battery 54, the current detection module 55 and the single chip microcomputer module 56 are electrically connected with the toggle switch 53 after being sequentially connected in series, the current detection module 55 is connected with the earthing switch cable side in parallel, and the output end of the single chip microcomputer module 56 is electrically connected with the buzzer alarm 52.
Further, still include electric telescopic handle 6, the threaded connection of electric telescopic handle 6 symmetry is on lateral wall around dwang 41, and electric telescopic handle 6 sets up in the position department that corresponds elliptical trough 33, single chip module 56's output is connected to electric telescopic handle 6's input electricity, it is nested in elliptical trough 33 through electric telescopic handle 6 extension, make dwang 41 unable rotate, prevent to test under the emergency and just operate the violation of earth connection, bring the threat for operation personnel safety, when current detection module 55 does not detect the electric current, single chip module 56 control electric telescopic handle 55 shrink, dwang 41 can normally rotate.
Further, still include dwang fastener 7, dwang fastener 7 contains sliding block 71, and sliding block 71 all nests in the slide that the lateral wall was equipped with around dwang 41, and the front surface of sliding block 71 all is equipped with cardboard 72, makes cardboard 72 nestification through sliding block 71 in the rectangular channel 24 that static contact connecting seat 23 was equipped with, prevents that moving contact and static contact from producing not hard up and separating.
When in use: electric telescopic handle 6 is the extension state, electric telescopic handle 6 extension nestification is in oval groove 33, make dwang 41 unable rotate, open toggle switch 53, current detection module 55 carries out current detection to the earthing switch cable side, when current detection module 55 detects the electric current, single chip module 56 control buzzer siren 52 sends audible-visual alarm, when current detection module 55 does not detect the electric current, single chip module 56 control electric telescopic handle 55 shrink, rotate the rotatory dwang 41 of rubber handle 42, make the circular telegram contact on the dwang 41 and the circular telegram contact of static contact connecting seat 23 upper end be connected, slider 71 makes cardboard 72 nestification in the rectangular channel 24 that static contact connecting seat 23 was equipped with.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A grounding switch for preventing live grounding is characterized in that: the grounding switch comprises a grounding switch base, a static contact unit, a rotating rod connecting seat, a moving contact unit and a live detection unit;
the earthing switch base: the lower end of the grounding switch base is of a rectangular structure, and the upper end of the grounding switch base is of an isosceles trapezoid structure;
a static contact unit: the static contact unit comprises an insulating seat, the insulating seat is symmetrically connected to inclined planes on the left side and the right side of the grounding switch base through bolts, insulators are connected to the upper surface of the insulating seat through bolts, a static contact connecting seat is arranged at the right end of the insulator on the left side, the left side of the static contact connecting seat is of an opening structure, the innermost side of the opening structure is of an arc structure, a power-on contact is arranged in the middle of the arc structure, and rectangular grooves are symmetrically formed in the upper surface of the static contact connecting seat;
the rotating rod connecting seat: the rotating rod connecting seat comprises a linear support and an arc-shaped support, the arc-shaped support is welded at the leftmost end of the linear support, a track groove is formed in the left side wall of the arc-shaped support, and elliptical grooves are symmetrically formed in the front surface and the rear surface of the arc-shaped support;
moving contact unit: the moving contact unit comprises a rotating rod, one end of the rotating rod is rotatably connected with the linear support through a rotating shaft, the other end of the rotating rod is in threaded connection with a rubber handle, and the upper end of the left side wall of the rotating rod is provided with a power-on contact;
a live detection unit: the electrified detection unit comprises an electrified detection box, the electrified detection box is connected to the front surface of the grounding switch base through a bolt, a toggle switch is arranged on the front surface of the electrified detection box, a buzzer alarm is arranged at the left end of the toggle switch, and a single chip microcomputer module, a current detection module and an energy storage lithium battery are sequentially arranged at the bottom end inside the electrified detection box from left to right;
wherein: the welding of sharp support is at earthing switch's left side wall, and the dwang is nested in the track inslot of arc support, and energy storage lithium cell, current detection module and single chip module are connected after the electricity is connected in series in proper order and are connected with toggle switch electricity, and current detection module is parallelly connected with earthing switch cable side, and buzzer siren is connected to single chip module's output electricity.
2. The grounding switch for preventing live grounding of claim 1, wherein: the electric telescopic rod is symmetrically connected to the front side wall and the rear side wall of the rotating rod through threads, the electric telescopic rod is arranged at the position corresponding to the oval groove, and the input end of the electric telescopic rod is electrically connected with the output end of the single chip microcomputer module.
3. The grounding switch for preventing live grounding of claim 1, wherein: still include the dwang fastener, the dwang fastener contains the sliding block, and the sliding block is all nested in the slide that the lateral wall was equipped with around the dwang, and the front surface of sliding block all is equipped with the cardboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020195529.4U CN211428053U (en) | 2020-02-23 | 2020-02-23 | Grounding switch for preventing live grounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020195529.4U CN211428053U (en) | 2020-02-23 | 2020-02-23 | Grounding switch for preventing live grounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211428053U true CN211428053U (en) | 2020-09-04 |
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ID=72246132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020195529.4U Active CN211428053U (en) | 2020-02-23 | 2020-02-23 | Grounding switch for preventing live grounding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211428053U (en) |
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2020
- 2020-02-23 CN CN202020195529.4U patent/CN211428053U/en active Active
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