CN112582200A - Anti-misoperation monopole grounding knife switch - Google Patents
Anti-misoperation monopole grounding knife switch Download PDFInfo
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- CN112582200A CN112582200A CN202011239776.0A CN202011239776A CN112582200A CN 112582200 A CN112582200 A CN 112582200A CN 202011239776 A CN202011239776 A CN 202011239776A CN 112582200 A CN112582200 A CN 112582200A
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- cutter body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a misoperation prevention single-pole grounding disconnecting link, which belongs to the technical field of grounding disconnecting links and comprises a fixed contact and a conductor which are arranged on a base, wherein a movable contact cutter body is rotatably connected to the conductor; the top of the conductor is rotatably provided with a locking device, and one end of the movable contact cutter body, which is close to the locking device, is provided with a ratchet wheel; when the locking device rotates to a locking position, the moving contact cutter body is blocked from rotating towards the direction of the static contact by matching with the ratchet wheel; when the locking device rotates to the opening and closing position, the ratchet wheel is not blocked by the locking device, and the moving contact cutter body can rotate towards the direction of the fixed contact; and a disconnecting link state monitoring device is also arranged at the top of the conductor and used for monitoring the position state of the locking device and moving the position state of the contact cutter body. The invention ensures that an operator can always keep a safe distance from a line which is not subjected to electricity inspection and is provided with a grounding wire on a tower; the time for installing the grounding wire and removing the safety device is saved, the working efficiency is improved, and the problem that the power failure overhauling start time and the power transmission time are late is solved.
Description
Technical Field
The invention relates to the technical field of distribution line grounding switches, in particular to an anti-misoperation monopole grounding switch.
Background
With the rapid development of social economy, the requirement on the power supply reliability of a power distribution network line is higher and higher. Therefore, the distribution overhead line is developed into a complex multi-circuit line erected on the same pole from a simple single-circuit line, and the original bare conductor line is changed into a fully insulated line, so that new challenges are brought to the line power failure maintenance work safety.
At present, the conventional portable three-phase short-circuit grounding wire is still adopted for line power failure maintenance, and the personal safety of operators and the operation safety of a power grid cannot be completely guaranteed in the using process. The hidden troubles are as follows:
firstly, when a 10 KV same-pole multi-circuit line is erected for power failure maintenance, an operator can not always keep a minimum safety distance when using a portable three-phase short circuit grounding wire to test electricity on a pole tower and take safety measures, and if a power supply returns, the danger of electric shock of the operator is easily caused; secondly, the portable three-phase short circuit grounding wire is made of copper materials, the length of the grounding wire is about 15-20 meters, the weight of the grounding wire is about 10kG, the carrying and the transportation are inconvenient, when the number of the grounding wires required by the maintenance work is large, an operator carries the grounding wire to frequently move up and down on a tower, the operation intensity is large due to long time, and the risk of falling from high altitude is easily caused; and thirdly, real-time information of safety measures (position change) controlled by regulation on the power-off overhead line cannot be exchanged with man-machine of a regulation background, the power-off overhead line is in a blind regulation state, and if a group of grounding wires on the power-off overhead line are leaked, power transmission is carried out on the power-off overhead line, and a line tripping accident can be caused.
Disclosure of Invention
The invention aims to provide the anti-misoperation monopole grounding switch which is suitable for a multi-circuit overhead line, is convenient and quick to operate, ensures the safety of operators and improves the working efficiency, so as to solve at least one technical problem in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a misoperation prevention single-pole grounding switch, which comprises:
the device comprises a base, wherein one end of the base is provided with an insulator, and the other end of the base is provided with a conductor;
the insulator is connected with a static contact, and a movable contact cutter body is rotatably connected to the conductor;
the top of the conductor is rotatably provided with a locking device, and one end of the movable contact cutter body, which is close to the locking device, is provided with a ratchet wheel; when the locking device rotates to a locking position, the moving contact cutter body is blocked from rotating towards the static contact direction by matching with a ratchet wheel; after the locking device rotates to the opening and closing position, the ratchet wheel is not blocked by the locking device, and the moving contact cutter body can rotate towards the direction of the static contact;
and a disconnecting link state monitoring device is also arranged at the top of the conductor and used for monitoring the position state of the locking device and the position state of the movable contact cutter body.
Preferably, the locking device comprises a rotating column which is movably inserted on a rotating shaft, and the rotating shaft is vertically fixed on the upper surface of the conductor; the radial end face of the rotating column is provided with an axial slot, and the axial end face of the rotating column is provided with a jack.
Preferably, the disconnecting link state monitoring device comprises a first travel switch and a second travel switch;
when the moving contact cutter body is connected with the static contact, the first travel switch is in a trigger state, the first monitoring circuit is conducted, a first electric signal is generated, and the first electric signal is sent to a distribution network automation platform monitoring system through an intelligent terminal communication box;
when the locking device is in the locking position, the second travel switch is in a triggering state, the second monitoring circuit is conducted, a second electric signal is generated, and the second electric signal is sent to the distribution network automation platform monitoring system through the intelligent terminal communication box.
Preferably, the first travel switch is arranged at the top of the shell, the shell is arranged at the top of the conductor, the first travel switch is a spring button, the first monitoring circuit is arranged inside the shell and comprises a first contact and a second contact, the first contact is arranged at the bottom of the first travel switch, when the first travel switch is compressed by the moving contact cutter body, the first contact is connected with the second contact, the second contact is electrically connected with a wiring terminal inside the shell, and the wiring terminal is connected with the intelligent terminal communication box.
Preferably, the second travel switch is arranged on the side surface of the housing facing the locking device, the second travel switch is a spring button, the second monitoring circuit is arranged inside the housing and comprises a third contact and a fourth contact, the third contact is arranged at the bottom of the second travel switch, when the second travel switch is compressed by the locking device, the third contact is connected with the fourth contact, and the fourth contact is electrically connected with the wiring terminal.
Preferably, the static contact is connected with a connecting pressing plate; the moving contact cutter body is provided with a pull ring and connected with the conductor through a connecting wire.
Preferably, the locking device further comprises an auxiliary insulating operating rod, one end of the auxiliary insulating operating rod is provided with an unlocking disc, and an unlocking rod capable of being inserted into the insertion hole is vertically connected onto the unlocking disc.
Preferably, the auxiliary insulating operation rod comprises a first connecting rod, a second connecting rod and a middle connecting rod;
one end of the first connecting rod is provided with a handle, and the other end of the first connecting rod is provided with a butt joint;
one end of the middle connecting rod is provided with a butt joint groove, and the other end of the middle connecting rod is provided with a butt joint;
one end of the second connecting rod is provided with a butt joint groove, and the other end of the second connecting rod is provided with the unlocking disc.
Preferably, the second connecting rod is further provided with an electricity testing device, and the electricity testing device is electrically connected with the unlocking disc.
Preferably, the electricity testing device is an electricity testing pen.
The invention has the beneficial effects that: the safety distance between an operator and a line which is not subjected to electricity testing and is provided with a grounding wire on a tower is ensured to be always kept; the insulating pull rod is used, so that the operation can be easily performed, safety, time saving and labor saving are realized, and the high-altitude falling danger caused by frequent up-and-down movement of an operator on a tower is avoided; the time for installing the grounding wire and removing the safety device is saved, the working efficiency is improved, and the problem that the power failure overhauling start time and the power transmission time are late is solved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural diagram of an anti-misoperation monopole grounding switch according to an embodiment of the present invention.
Fig. 2 is a top view of the locking device of the anti-misoperation monopole grounding switch according to the embodiment of the present invention.
Fig. 3 is a structural diagram of an auxiliary insulating operating rod of the anti-misoperation monopole grounding switch according to the embodiment of the invention.
Fig. 4 is a functional block diagram of a device for monitoring a disconnecting link state of a single-pole grounding disconnecting link with an anti-misoperation function according to an embodiment of the present invention.
Wherein: 1-a base; 2-an insulator; 3-a conductor; 4, static contact; 5-moving the contact body; 6-ratchet wheel; 7-a locked position; 8-a disconnecting link state monitoring device; 9-spin columns; 10-axially slotting; 11-a jack; 12-a first travel switch; 13-a second travel switch; 14-an intelligent terminal communication box; 15-distribution network automation platform monitoring system; 16-a housing; 17-a first contact; 18-a second contact; 19-a connecting terminal; 20-a third contact; 21-a fourth contact; 22-connecting the press plate; 23-a pull ring; 24-a connecting line; 25-unlocking the disc; 26-an unlocking rod; 27-a first connecting rod; 28-a second connecting rod; 29-intermediate connecting rod; 30-a handle; 31-butt joint; 32-a docking bay; 33-an electroscopic device; 34-open and closed position.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by way of the drawings are illustrative only and are not to be construed as limiting the invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present specification, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present specification, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present technology.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "disposed" are intended to be inclusive and mean, for example, that they may be fixedly coupled or disposed, or that they may be removably coupled or disposed, or that they may be integrally coupled or disposed. The specific meaning of the above terms in the present technology can be understood by those of ordinary skill in the art as appropriate.
For the purpose of facilitating an understanding of the present invention, the present invention will be further explained by way of specific embodiments with reference to the accompanying drawings, which are not intended to limit the present invention.
It should be understood by those skilled in the art that the drawings are merely schematic representations of embodiments and that the elements shown in the drawings are not necessarily required to practice the invention.
Examples
As shown in fig. 1, the present embodiment provides an anti-misoperation monopole grounding switch, including:
the device comprises a base 1, wherein an insulator 2 is arranged at one end of the base 1, and a conductor 3 is arranged at the other end of the base 1; the insulator 2 is connected with a static contact 4, and a movable contact cutter body 5 is rotatably connected on the conductor 3.
The top of the conductor 3 is rotatably provided with a locking device, and one end of the movable contact cutter body, which is close to the locking device, is provided with a ratchet wheel 6; when the locking device rotates to a locking position 7, the movable contact knife body 5 is blocked from rotating towards the direction of the fixed contact 4 by matching with the ratchet 6; when the locking device is rotated to the open-close position 34, the ratchet 6 is not blocked by the locking device, and the moving contact knife body 5 can rotate towards the direction of the fixed contact 4.
And a disconnecting link state monitoring device 8 is also arranged at the top of the conductor 3 and used for monitoring the position state of the locking device and the position state of the movable contact cutter body 5.
As shown in fig. 2, the locking device includes a rotating column 9, the rotating column 9 is movably inserted on a rotating shaft, and the rotating shaft is vertically fixed on the upper surface of the conductor 3; the radial end face of the rotating column 9 is provided with an axial slot 10, and the axial end face of the rotating column 9 is provided with a jack 11.
When the single-pole grounding disconnecting link device is used, a single-pole grounding disconnecting link device is inversely installed on cross arms at proper positions (the head end and the tail end of a line) of an overhead line, 1 three-phase conductor is respectively installed, a static contact 4 is connected with the line through a connecting pressure plate 22, and a movable contact cutter body 5 is connected with a ground grounding device of a metal conductor 3 through a connecting wire 24 (namely a flexible connecting copper wire) (increasing the current-carrying capacity of grounding current).
When the line is live, the operator pulls the moving contact body 5 away by means of the pull ring 23 and perpendicular to the knife switch base by about 90 degrees, turning the blocking device to the blocking position 7. As shown in fig. 2, the locking position corresponds to a position on the rotating column 9 where no axial slot 10 is provided, and since no axial slot 10 is provided at the locking position 7, the rotating column 9 blocks the ratchet 6 from rotating to the right, and blocks the other end of the moving contact cutter body 5 from rotating to the static contact direction, thereby avoiding the connection between the moving contact and the static contact cutter body, ensuring reliable operation of the live line, and ensuring safety.
When the line is taken out of service, the latch is rotated to the open and closed position 34. As shown in fig. 2, the open-close position 34 corresponds to the position of the axial slot 10 on the rotary column 9, because the open-close position is provided with the axial slot 10, the axial slot 10 provides a space for the ratchet 6 to rotate to the right side, the left end of the movable contact body can rotate downwards, the movable contact body can be closed to the fixed contact by an operator and completely contacted, and then the mechanical locking device 07 is rotated to the locking position, so that the safety of the maintainer of the power failure line is ensured, and the above operations are all operated by using a special operating rod with an electricity testing function.
As shown in fig. 3, the disconnecting link state monitoring device 8 comprises a first travel switch 12 and a second travel switch 13; after the moving contact knife body 5 is connected with the fixed contact 4, the first travel switch 12 is in a trigger state, the first monitoring circuit is switched on, a first electric signal is generated, and the first electric signal is sent to the distribution network automation platform monitoring system 15 through the intelligent terminal communication box 14.
When the locking device is located at the locking position 7, the second travel switch 13 is in a trigger state, the second monitoring circuit is conducted, a second electric signal is generated, and the second electric signal is sent to the distribution network automation platform monitoring system 15 through the intelligent terminal communication box 14.
Specifically, the first travel switch 12 is disposed on the top of a housing 16, the housing 16 is disposed on the top of the conductor 3, the first travel switch 12 is a spring button, the first monitoring circuit is disposed inside the housing 16, the first monitoring circuit includes a first contact 17 and a second contact 18, the first contact 17 is disposed on the bottom of the first travel switch 12, when the first travel switch 12 is compressed by the movable contact cutter body 5, the first contact 17 is connected with the second contact 18, the second contact 18 is electrically connected to a connection terminal 19 inside the housing, and the connection terminal 19 is connected to the intelligent terminal communication box 14.
The second travel switch 13 is arranged on the side surface of the housing 16 facing the locking device, the second travel switch 13 is a spring button, the second monitoring circuit is arranged inside the housing and comprises a third contact 20 and a fourth contact 21, the third contact 20 is arranged at the bottom of the second travel switch 13, when the second travel switch 13 is compressed by the locking device, the third contact 20 is connected with the fourth contact 21, and the fourth contact 21 is electrically connected with the wiring terminal 19.
The anti-misoperation monopole grounding switch further comprises an auxiliary insulating operating rod, and the switching between a locking position and an opening and closing position on the locking device can be completed by utilizing the auxiliary insulating operating rod.
As shown in fig. 3, an unlocking plate 25 is provided at one end of the auxiliary insulating operating rod, and an unlocking rod 26 that can be inserted into the insertion hole 11 is vertically connected to the unlocking plate 25. When switching between the locking position and the opening/closing position, the operator inserts the unlocking rod 26 into the insertion hole 11, for example, the insertion hole 11 may have a hexagonal prism shape, and the corresponding unlocking rod 26 matches with the insertion hole 11 and also has a hexagonal prism shape. The rotatory supplementary insulating bar of operating personnel drives unblock dish 25 and rotates, and the rotation of unblock dish 25 drives unblock stick 26 and rotates, and unblock stick 26 rotates and drives the rotation of column spinner 9 through the cooperation of jack 11 to realize the position switching.
The auxiliary insulating operation rod comprises a first connecting rod 27, a second connecting rod 28 and an intermediate connecting rod 29; one end of the first connecting rod 27 is provided with a handle 30, and the other end of the first connecting rod 27 is provided with a butt joint 31; one end of the middle connecting rod 29 is provided with a butt joint groove 32, and the other end of the middle connecting rod 29 is provided with a butt joint 31. One end of the second connecting rod 28 is provided with a butt joint groove 32, and the other end of the second connecting rod 28 is provided with the unlocking disk 25.
In this embodiment, the auxiliary insulating operation rod is integrally assembled by inserting the abutment 31 of the first connection rod 27 into the abutment groove 32 of the intermediate connection rod 29 and inserting the abutment 31 of the intermediate connection rod 29 into the abutment groove of the second connection rod 28.
In a specific application, the intermediate connecting rods 29 can be provided in plurality, and the auxiliary insulating operation rods can be provided with different lengths by mutually connecting the butt joints and the butt grooves in a matching way. The skilled person can specifically select the number of intermediate connecting rods 29 according to actual conditions to assemble the auxiliary insulating operating rod with a proper length, thereby facilitating the operation.
An electricity testing device 33 is further arranged on the second connecting rod 28, and the electricity testing device 33 is electrically connected with the unlocking disc 25. The unlocking rod 26 and the unlocking disc 25 are both electric conductors, and after the unlocking rod 26 is inserted into the jack 11, if the locking device is electrified, the unlocking device can be checked through the electricity checking device 33. The electroscope 33 may be an electroscope pen.
To sum up, install the monopole earthing knife-switch that has the anti-misoperation device on the many circuit that erect with the pole, operating personnel can keep the safe distance more than 1.5 meters all the time with not passing through the electricity test, installing the circuit of earth connection on the shaft tower. Compared with the traditional line safety measures, the safety distance is less than the required minimum 0.7 when the portable short circuit grounding wire is adopted, and the problem that people are in danger of electric shock is solved.
The single-pole grounding switch with the anti-misoperation device can be easily operated by using the insulating pull rod, safety, time-saving and labor-saving safety measures are made, and compared with a traditional circuit safety measure, the portable three-phase short circuit grounding wire is made of copper, the length of the grounding wire is about 15-20 meters, and the weight of the grounding wire is about 10 kG. The operating personnel frequently reciprocates on the shaft tower, and the long operation intensity of time is great, solves personnel and takes place the danger of falling in the high altitude.
If a line erected with four 10 kilovolts on the same tower is supposed to be subjected to power failure maintenance, line safety measures are arranged at two ends of the line, if a single-pole grounding disconnecting link with an anti-misoperation device is adopted, 8 groups of grounding disconnecting links are required to be operated, and the operation of one group of disconnecting links requires 2 minutes and about 20 minutes; the portable three-phase short circuit grounding wire adopting the traditional line safety measure is also used for performing line safety measures on two ends of four lines, and 8 grounding wires are required to be connected. The set up time is about 10 minutes, and the set up of 8 ground wire sub-sets takes about 80 minutes. Compared with the conventional portable three-phase short circuit grounding wire with the safety measure, the single-pole grounding disconnecting link with the anti-misoperation device saves about 60 minutes, and can save 60 minutes after the work is finished and the safety measure is removed, so that the problem that the power failure overhaul start time and the power transmission finish time are late is solved.
With the mis-operation prevention single pole grounding switch described in this embodiment, for example, the average line load is calculated as 5MW, the sum of four line loads is about 20 MW. The work is powered on 120 minutes (60 x 2) in advance, the multiple power supply amount is 40000kW.h, and the economic benefit of 25000 yuan can be increased by calculating according to the average power price of 0.625 yuan/degree (the living lighting power price is 0.547 yuan/degree and the general industrial and commercial power price is 0.702 yuan/degree). The economic benefit is generated by one-time power failure work, and if the power failure work is performed for a plurality of times in spring and autumn, the generated economic benefit is very considerable. The single-pole grounding disconnecting link with the anti-misoperation device is adopted on the distribution network line, so that the problems of personal electric shock and falling prevention are effectively solved. If a personal casualty accident happens, the economic loss is huge, and certain social negative effects are brought, and the loss is immeasurable.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to the specific embodiments shown in the drawings, it is not intended to limit the scope of the present disclosure, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive faculty based on the technical solutions disclosed in the present disclosure.
Claims (10)
1. The utility model provides a prevent maloperation monopole earthing knife-switch which characterized in that includes:
the device comprises a base (1), wherein an insulator (2) is arranged at one end of the base (1), and a conductor (3) is arranged at the other end of the base (1);
the insulator (2) is connected with a static contact (4), and the conductor (3) is rotatably connected with a movable contact cutter body (5);
a locking device is rotatably arranged at the top of the conductor (3), and a ratchet wheel (6) is arranged at one end of the movable contact cutter body, which is close to the locking device; when the locking device rotates to a locking position (7), the moving contact cutter body (5) is blocked from rotating towards the direction of the static contact (4) by matching with a ratchet wheel (6); when the locking device rotates to an opening and closing position (34), the ratchet wheel (6) is not blocked by the locking device, and the moving contact knife body (5) can rotate towards the direction of the fixed contact (4);
and a disconnecting link state monitoring device (8) is also arranged at the top of the conductor (3) and is used for monitoring the position state of the locking device and the position state of the movable contact cutter body (5).
2. The anti-misoperation monopolar grounding switch of claim 1, wherein:
the locking device comprises a rotating column (9), the rotating column (9) is movably inserted on a rotating shaft, and the rotating shaft is vertically fixed on the upper surface of the conductor (3); the radial end face of the rotating column (9) is provided with an axial slot (10), and the axial end face of the rotating column (9) is provided with a jack (11).
3. The anti-misoperation monopole grounding switch according to claim 2, wherein:
the disconnecting link state monitoring device (8) comprises a first travel switch (12) and a second travel switch (13);
when the moving contact cutter body (5) is connected with the fixed contact (4), the first travel switch (12) is in a trigger state, the first monitoring circuit is conducted, a first electric signal is generated, and the first electric signal is sent to a distribution network automation platform monitoring system (15) through an intelligent terminal communication box (14);
when the locking device is in a locking position (7), the second travel switch (13) is in a triggering state, the second monitoring circuit is conducted, a second electric signal is generated, and the second electric signal is sent to the distribution network automation platform monitoring system (15) through the intelligent terminal communication box (14).
4. The anti-misoperation monopole grounding switch of claim 3, wherein:
the first travel switch (12) is arranged on the top of a shell (16), the shell (16) is arranged on the top of the conductor (3), the first travel switch (12) is a spring button, the first monitoring circuit is arranged inside the shell (16), the first monitoring circuit comprises a first contact (17) and a second contact (18), the first contact (17) is arranged at the bottom of the first travel switch (12), when the first travel switch (12) is compressed by the movable contact cutter body (5), the first contact (17) is connected with the second contact (18), the second contact (18) is electrically connected with a wiring terminal (19) inside the shell, and the wiring terminal (19) is connected with the intelligent terminal communication box (14).
5. The anti-misoperation monopole grounding switch of claim 4, wherein:
the second travel switch (13) is arranged on the side face, facing the locking device, of the shell (16), the second travel switch (13) is a spring button, the second monitoring circuit is arranged inside the shell and comprises a third contact (20) and a fourth contact (21), the third contact (20) is arranged on the bottom of the second travel switch (13), when the second travel switch (13) is compressed by the locking device, the third contact (20) is connected with the fourth contact (21), and the fourth contact (21) is electrically connected with the wiring terminal (19).
6. The anti-misoperation monopolar grounding switch of claim 1, wherein:
the static contact (4) is connected with a connecting pressing plate (22); the moving contact cutter body (5) is provided with a pull ring (23), and the moving contact cutter body (5) is connected with the conductor (3) through a connecting wire (24).
7. The anti-misoperation monopole grounding switch of claim 2, wherein:
still include supplementary insulating bar, the one end of supplementary insulating bar is equipped with unblock dish (25), be connected with perpendicularly on unblock dish (25) and insert unblock stick (26) of jack (11).
8. The anti-misoperation monopolar grounding switch of claim 7, wherein:
the auxiliary insulating operation rod comprises a first connecting rod (27), a second connecting rod (28) and an intermediate connecting rod (29);
one end of the first connecting rod (27) is provided with a handle (30), and the other end of the first connecting rod (27) is provided with a butt joint (31);
one end of the middle connecting rod (29) is provided with a butt joint groove (32), and the other end of the middle connecting rod (29) is provided with a butt joint head (31);
one end of the second connecting rod (28) is provided with a butt joint groove (32), and the other end of the second connecting rod (28) is provided with the unlocking disc (25).
9. The anti-misoperation monopolar grounding switch of claim 8, wherein: still be equipped with on second connecting rod (28) and test electric installation (33), it connects to test electric installation (33) electricity unlocking disk (25).
10. The anti-misoperation monopolar grounding switch of claim 9, wherein: the electricity testing device (33) is an electricity testing pen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239776.0A CN112582200B (en) | 2020-11-09 | 2020-11-09 | Misoperation prevention monopole grounding disconnecting link |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239776.0A CN112582200B (en) | 2020-11-09 | 2020-11-09 | Misoperation prevention monopole grounding disconnecting link |
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| Publication Number | Publication Date |
|---|---|
| CN112582200A true CN112582200A (en) | 2021-03-30 |
| CN112582200B CN112582200B (en) | 2023-08-15 |
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| CN202011239776.0A Active CN112582200B (en) | 2020-11-09 | 2020-11-09 | Misoperation prevention monopole grounding disconnecting link |
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| CN (1) | CN112582200B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09331170A (en) * | 1996-06-12 | 1997-12-22 | Hitachi Ltd | Erroneous operation preventing method of insertion/ extraction of live plug and electronic device |
| JP2003272488A (en) * | 2002-03-13 | 2003-09-26 | Omron Corp | Key switch |
| US20080110738A1 (en) * | 2006-11-10 | 2008-05-15 | Vei T&D S.R.I. | Three-pole apparatus for a medium or high voltage cubicle and associated cubicle comprising such a three-pole apparatus |
| JP2011060634A (en) * | 2009-09-11 | 2011-03-24 | Chugoku Electric Power Co Inc:The | Device for switching cable connection state |
| JP2012043664A (en) * | 2010-08-20 | 2012-03-01 | Hitachi Ltd | Circuit breaker, circuit breaker unit, switch gear, and windmill equipped with switch gear |
| CN106601536A (en) * | 2016-12-28 | 2017-04-26 | 国网山东省电力公司青州市供电公司 | Disconnecting switch |
| US20170287661A1 (en) * | 2014-11-12 | 2017-10-05 | Shenyang Huade High Technology Electric Co., Ltd. | Three-position vacuum switch for realizing external grounding of load side by using bridge switch |
| CN207116299U (en) * | 2017-06-02 | 2018-03-16 | 国网江西省电力公司南昌供电分公司 | A kind of safety-type disconnecting switch for outdoor high-voltage electric current |
| CN108320945A (en) * | 2018-04-09 | 2018-07-24 | 广东电网有限责任公司 | A kind of mutually fool proof low voltage isolation switch device of zero curve |
| CN208240557U (en) * | 2018-06-13 | 2018-12-14 | 西安豪特电力开关制造有限公司 | A kind of New Type Isolating Switch |
| CN209434082U (en) * | 2018-12-28 | 2019-09-24 | 国家电网公司 | New distribution net isolation switch |
-
2020
- 2020-11-09 CN CN202011239776.0A patent/CN112582200B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09331170A (en) * | 1996-06-12 | 1997-12-22 | Hitachi Ltd | Erroneous operation preventing method of insertion/ extraction of live plug and electronic device |
| JP2003272488A (en) * | 2002-03-13 | 2003-09-26 | Omron Corp | Key switch |
| US20080110738A1 (en) * | 2006-11-10 | 2008-05-15 | Vei T&D S.R.I. | Three-pole apparatus for a medium or high voltage cubicle and associated cubicle comprising such a three-pole apparatus |
| JP2011060634A (en) * | 2009-09-11 | 2011-03-24 | Chugoku Electric Power Co Inc:The | Device for switching cable connection state |
| JP2012043664A (en) * | 2010-08-20 | 2012-03-01 | Hitachi Ltd | Circuit breaker, circuit breaker unit, switch gear, and windmill equipped with switch gear |
| US20170287661A1 (en) * | 2014-11-12 | 2017-10-05 | Shenyang Huade High Technology Electric Co., Ltd. | Three-position vacuum switch for realizing external grounding of load side by using bridge switch |
| CN106601536A (en) * | 2016-12-28 | 2017-04-26 | 国网山东省电力公司青州市供电公司 | Disconnecting switch |
| CN207116299U (en) * | 2017-06-02 | 2018-03-16 | 国网江西省电力公司南昌供电分公司 | A kind of safety-type disconnecting switch for outdoor high-voltage electric current |
| CN108320945A (en) * | 2018-04-09 | 2018-07-24 | 广东电网有限责任公司 | A kind of mutually fool proof low voltage isolation switch device of zero curve |
| CN208240557U (en) * | 2018-06-13 | 2018-12-14 | 西安豪特电力开关制造有限公司 | A kind of New Type Isolating Switch |
| CN209434082U (en) * | 2018-12-28 | 2019-09-24 | 国家电网公司 | New distribution net isolation switch |
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| CN112582200B (en) | 2023-08-15 |
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