CN113258411B - Plug-in type grounding connection device with loosening alarm function - Google Patents
Plug-in type grounding connection device with loosening alarm function Download PDFInfo
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- CN113258411B CN113258411B CN202110488525.4A CN202110488525A CN113258411B CN 113258411 B CN113258411 B CN 113258411B CN 202110488525 A CN202110488525 A CN 202110488525A CN 113258411 B CN113258411 B CN 113258411B
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- hand wheel
- grounding
- locker
- locking sleeve
- sleeve
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- 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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a plug-in type grounding connection device with a loosening alarm, which comprises a grounding rod 2, wherein the left end of the grounding rod is connected with a grounding flexible wire, the right end of the grounding rod sequentially penetrates through an outer locking hand wheel 3, a locker 5 and an inner locking sleeve 6 from left to right, the inner locking sleeve is connected with the ground, the right end of the grounding rod penetrates through the inner locking sleeve and then is in contact connection with a microswitch 11, the microswitch is connected with an audible and visual voice alarm 12, the locker is slidably installed in a space formed by the outer locking hand wheel and the inner locking sleeve, and the grounding rod is detachably and fixedly connected with the locker. The device easy operation, the installation is convenient firm, but the suggestion of reporting to the police when not hard up, safe and reliable.
Description
Technical Field
The invention belongs to the field of high-voltage switching operation of intelligent transformer substations for safe operation of power grids, and particularly relates to a plug-in grounding connection device with a loosening alarm.
Background
The traditional connection mode of the grounding end of the special grounding wire for the intelligent transformer substation is divided into two modes:
first, a common red copper wire clip type. The installation needs special tools for fastening, is not inconvenient, and is easy to axially shear and loosen. If the installer quality is not high, the nut fastening pressure is improper, the pressure is too large, the contact surface is partially deformed and raised, the contact area is reduced, the contact resistance is increased, and the grounding effect is greatly influenced. Under the condition of small pressure, the connection is easy to loosen. The equipment cannot have the protection grounding effect.
And secondly, a butterfly nut and a lead screw are in a through type. The installation is loaded down with trivial details, consuming time, and it is shorter according to lever principle power arm, and the installation is difficult for screwing up, even also can't realize the mistake under the condition of installing mechanical lock additional and dismantle the pine and take off to do not become flexible alarm device, cause the earth connection effectively ground connection, lose the guard action to the person and equipment. Therefore, it is very necessary to develop a quick connection device for a special grounding wire of a plug-in intelligent substation with a loosening alarm.
Disclosure of Invention
Aiming at the problems, the invention discloses a plug-in type grounding connection device with a loosening alarm, which is simple to operate, convenient and firm to install, safe and reliable, and can give an alarm when loosening.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a plug-in ground connection device of not hard up warning in area, includes the earth bar, the earth bar left end is connected the ground connection patchcord, the earth bar right-hand member runs through outer lock solid hand wheel, locker, interior lock solid sleeve in proper order from a left side to the right side, the ground is connected to interior lock solid sleeve, the right-hand member of earth bar runs through interior lock solid sleeve back contact and is connected with micro-gap switch, micro-gap switch is connected with reputation audio-visual voice alarm, locker slidable mounting is in the space that outer lock solid hand wheel and interior lock solid sleeve are constituteed, the earth bar is with the detachable fixed connection of locker.
Preferably, the locker is a sleeve with first inclined planes at two ends, and a plurality of grooves capable of locking and deforming are formed in the surface of the sleeve.
Preferably, the right end of the outer locking hand wheel is provided with a plurality of first positioning holes, the inner locking sleeve is connected with a hand wheel locking frame, and the hand wheel locking frame is provided with a second positioning hole connected with a certain first positioning hole.
Preferably, the inner wall of the outer locking hand wheel and the inner wall of the inner locking sleeve are both provided with second inclined planes matched with the inclined planes.
Preferably, the inner cavity of the outer locking hand wheel is provided with a positioning groove, and a clamp spring is installed in the positioning groove in a matched mode.
Preferably, the inner locking sleeve is connected with a bracket 7, and the bracket is connected with the ground.
The invention has the advantages of
According to the invention, the grounding flexible wire is connected with the microswitch through the grounding rod, the microswitch is connected with the acousto-optic voice alarm, when the connection is loosened, the grounding rod slides along the inner locking sleeve, the microswitch is switched on, and the acousto-optic alarm gives an alarm. The operation is simple, the plug and play is realized, the installation is rapid and firm, and the time and the labor are saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first overall block diagram of the present invention;
FIG. 2 is a second overall structure of the present invention;
FIG. 3 is a view showing the construction of the load binder;
FIG. 4 is a view of the outer locking hand wheel;
in the figure, 1, a mounting screw, 2, a ground rod, 3, an external locking hand wheel, 4, a clamp spring, 5, a locker, 6, an internal locking sleeve, 6-1, a limiting bulge, 7, a hand wheel locking frame, 8, a screw, 9, a support, 10, a nut, 11, a microswitch, 11-1, a microswitch button, 11-2, a microswitch external leading-out socket, 12, an audible and visual voice alarm, 13 and a gasket are arranged.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it should be understood that the terms "inner", "outer", "left" and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus should not be construed as limiting the present invention.
The invention discloses a plug-in type grounding connection device with a loosening alarm, which is shown in a figure 1-2.A grounding flexible wire is connected with a grounding rod 2 through a mounting screw 1, the right end of the grounding rod sequentially penetrates through an outer locking hand wheel 3, a locker 5 and an inner locking sleeve 6 from left to right, the right end of the grounding rod penetrates through the inner locking sleeve and then is in contact connection with a microswitch button 11-1 at the left end of a microswitch 11, and the microswitch is electrically connected with an audible and visual voice alarm 12 through a microswitch outer leading-out socket 11-2. The inner locking sleeve is connected with a bracket 9, and the bracket 9 is connected with the ground through a screw 8 and a gasket 13.
The outer locking hand wheel 3 is a rotator with a flange at the right end, as shown in fig. 4, the rotator is hollow, a positioning groove is processed on the side wall of the hollow cavity, and a clamp spring 4 is installed in the positioning groove. The inner locking sleeve 6 is also a hollow revolving body which is divided into a left part and a right part, the diameter of the left part is larger than that of the right part, and the outer wall of the left part is in threaded connection with the inner wall of the cavity of the outer locking hand wheel 3. A locker 5 is arranged in a space formed by the outer locking hand wheel 3 and the inner locking sleeve 6 which are in threaded connection, a clamping groove is formed in the outer wall of the locker, and the clamping groove is connected with the clamping spring 4 to realize the positioning of the locker in the outer locking hand wheel. The outer wall at the locker is provided with multichannel recess with locker axis parallel, as shown in fig. 3, this multichannel recess divide into a plurality of first recesses and a plurality of second recess, and first recess left end opening right-hand member is sealed, and second recess right-hand member opening left end is sealed, and first recess and second recess interval set up. The left end and the right end of the locker are both provided with first inclined planes, and the left end inner cavity of the outer locking hand wheel and the left part and the right end inner cavity of the inner locking sleeve 6 are both provided with second inclined planes matched with the first inclined planes. When the outer locking hand wheel is locked with the inner locking sleeve, the locker is extruded and deformed to fix the grounding rod.
The right end of the locking hand wheel 3 is provided with a flange, a plurality of positioning holes are processed on the flange, the outer wall of the inner locking sleeve 6 is connected with a hand wheel locking frame 7, and the upper end of the hand wheel locking frame is provided with a second positioning hole connected with a certain first positioning hole.
The device is connected and installed as follows:
firstly, mounting one side of a grounding end of a soft connecting wire of a special grounding wire of an intelligent substation on a grounding rod 2 through a screw 1;
secondly, the outer locking hand wheel 4 and the locking device 5 are locked, so that the first inclined surface of the locking device is in small-area contact with the second inclined surface of the outer locking hand wheel;
thirdly, installing the clamp spring 4 into a positioning groove of the outer locking hand wheel, and installing and positioning the locker 5 into the outer locking hand wheel 3;
fourthly, the outer locking hand wheel 3 is rotationally connected with the inner locking sleeve 6, so that the first inclined surface of the locking device is in small-area contact with the second inclined surface of the inner locking sleeve;
fifthly, sleeving the bracket 9 between the limiting bulge 6-1 of the inner locking sleeve and the nut 10, and screwing the nut;
sixthly, fixing the microswitch 11 at the middle position of the bottom of the inner locking sleeve 6;
and seventhly, firmly fixing the upper cover and the lower cover on the ground by using the screw 8 and the washer 13.
And eighthly, inserting the grounding rod into the outer locking hand wheel and the inner locking sleeve, then reaching the micro switch button 11-1, pressing down the micro switch button to enable the micro switch 11 to be in a disconnected state, screwing the outer locking hand wheel and the inner locking sleeve in a rotating mode to enable the contact area of the outer locking hand wheel and the inner locking sleeve to be increased, meanwhile, extruding the locker, reducing the groove gap of the locker, finally contracting and firmly clasping the grounding rod 2, and locking the first positioning hole and the second positioning hole by using a five-prevention lock. The audible and visual alarm 12 is arranged on the microswitch through a microswitch external leading-out socket and is in a standby state. As shown in fig. 2.
If the grounding rod 2 is loosened, the microswitch button 11-1 can automatically bounce to switch on the power supply, and trigger the audible and visual voice alarm 12 to give an alarm as shown in figure 1.
When the grounding rod is disassembled, the audible and visual voice alarm 12 is taken down from the microswitch 11, the five-prevention lock is opened, the outer locking hand wheel 3 and the inner locking sleeve 6 are rotated to be unscrewed, so that the contact area of the first inclined plane and the second inclined plane is reduced, the groove gap is increased under the condition of the self elasticity of the groove of the locker, the locker does not clamp the grounding rod any more, and the grounding rod can be pulled out from the left end.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The plug-in type grounding connection device with the loosening alarm is characterized by comprising a grounding rod (2), wherein the left end of the grounding rod is connected with a grounding flexible wire, the right end of the grounding rod sequentially penetrates through an outer locking hand wheel (3), a locker (5) and an inner locking sleeve (6) from left to right, the inner locking sleeve is connected with the ground, the right end of the grounding rod penetrates through the inner locking sleeve and then is in contact connection with a microswitch (11), the microswitch is connected with an acousto-optic voice alarm (12), the locker is slidably mounted in a space formed by the outer locking hand wheel and the inner locking sleeve, and the grounding rod is detachably and fixedly connected with the locker;
the locker (5) is a sleeve with first inclined planes at two ends, and a plurality of grooves capable of being locked and deformed are formed in the surface of the sleeve; the plurality of grooves are divided into a plurality of first grooves and a plurality of second grooves, the left end of the opening of the left end of each first groove is closed, the left end of the opening of the right end of each second groove is closed, and the first grooves and the second grooves are arranged at intervals; when the outer locking hand wheel is locked with the inner locking sleeve, the locker is extruded and deformed to fix the grounding rod;
the right end of the outer locking hand wheel is provided with a plurality of first positioning holes, the inner locking sleeve is connected with a hand wheel locking frame (7), and the hand wheel locking frame is provided with a second positioning hole connected with a certain first positioning hole.
2. The pluggable ground connection device with a loosening alarm function as claimed in claim 1, wherein the inner wall of the outer locking hand wheel and the inner wall of the inner locking sleeve are provided with second inclined surfaces matched with the inclined surfaces.
3. The pluggable grounding connection device with a looseness alarm function as claimed in claim 1, wherein a positioning groove is formed in an inner cavity of the outer locking hand wheel, and a clamp spring is installed in the positioning groove in a matched mode.
4. The plug-in grounding connection with a loosening alarm as claimed in claim 1, characterized in that the inner locking sleeve is connected to a support (9) which is connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110488525.4A CN113258411B (en) | 2021-05-06 | 2021-05-06 | Plug-in type grounding connection device with loosening alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110488525.4A CN113258411B (en) | 2021-05-06 | 2021-05-06 | Plug-in type grounding connection device with loosening alarm function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113258411A CN113258411A (en) | 2021-08-13 |
| CN113258411B true CN113258411B (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110488525.4A Active CN113258411B (en) | 2021-05-06 | 2021-05-06 | Plug-in type grounding connection device with loosening alarm function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154953A (en) * | 2023-10-31 | 2023-12-01 | 国网山东省电力公司夏津县供电公司 | Substation grounding wire monitoring system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326898A (en) * | 2018-11-23 | 2019-02-12 | 国网江苏省电力有限公司宝应县供电分公司 | A kind of temporary earthing device |
| JP2019140791A (en) * | 2018-02-09 | 2019-08-22 | 中国電力株式会社 | Grounding apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2617338B1 (en) * | 1987-06-29 | 1992-01-24 | Frenehard Michaux Ets | GROUNDING METHOD, DEVICE AND STAKE |
| CN102306874B (en) * | 2011-05-06 | 2013-07-24 | 山东超越数控电子有限公司 | Anti-loosening waterproof ground pole for electronic equipment |
| US9472868B2 (en) * | 2013-09-25 | 2016-10-18 | Thomas & Betts International Llc | Permanent ground point for splicing connectors |
| CN204088603U (en) * | 2014-08-08 | 2015-01-07 | 国家电网公司 | Electric substation is used for the jockey of ground connection |
| CN206040998U (en) * | 2016-08-29 | 2017-03-22 | 深圳市康冠医疗设备有限公司 | Last earthing rod, medical equipment who uses of medical equipment |
| CN112332118B (en) * | 2020-10-28 | 2022-05-13 | 广东电网有限责任公司 | Grounding installation device and grounding equipment |
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2021
- 2021-05-06 CN CN202110488525.4A patent/CN113258411B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019140791A (en) * | 2018-02-09 | 2019-08-22 | 中国電力株式会社 | Grounding apparatus |
| CN109326898A (en) * | 2018-11-23 | 2019-02-12 | 国网江苏省电力有限公司宝应县供电分公司 | A kind of temporary earthing device |
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| CN113258411A (en) | 2021-08-13 |
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