CN211958749U - Protection device for safe operation of power grid - Google Patents
Protection device for safe operation of power grid Download PDFInfo
- Publication number
- CN211958749U CN211958749U CN202020462071.4U CN202020462071U CN211958749U CN 211958749 U CN211958749 U CN 211958749U CN 202020462071 U CN202020462071 U CN 202020462071U CN 211958749 U CN211958749 U CN 211958749U
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- box body
- box
- electric wire
- wire netting
- protection device
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Abstract
The utility model discloses a protection device is used in electric wire netting safe operation relates to electric wire netting technical field, including box and outage device, the fixed intercommunication in side of box has the electric wire netting input, and the fixed intercommunication in another side of box has the electric wire netting output, and the middle part fixed mounting of the inner wall of box has universal meter and voltage detector, and the diapire fixed mounting of box has the controller, the inner wall fixedly connected with slide of box. When the data that this protection device for electric wire netting safe operation transmitted the controller through voltage detector and the data of settlement do not conform, first electro-magnet of controller control and second electro-magnet circular telegram, first electro-magnet and second electro-magnet repel each other, the elasticity that the second electro-magnet surrendered the first spring moves left, the second electro-magnet drives the hinge bar and overcomes the elasticity of second spring and to the left-hand motion, the hinge bar drives the motion of positive plate, positive plate and negative pole piece contact each other, it can carry out the analysis to the electric wire netting to have possessed, can automatic cutout circuit's advantage when detection and electric wire netting break down.
Description
Technical Field
The utility model relates to an electric wire netting technical field specifically is a protection device is used in electric wire netting safe operation.
Background
The whole of the substation and the transmission and distribution line of various voltages in the power system is called a power grid. The power grid comprises three units of power transformation, power transmission and power distribution, and the task of the power grid is to transmit and distribute electric energy and change voltage.
Because the traditional protection device can not analyze and detect the power grid and can not automatically switch circuits when faults such as slight overload, short circuit, undervoltage and the like occur, a protection device for safe operation of the power grid is provided for people.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a protection device is used in electric wire netting safe operation has possessed and can carry out analysis, detection and the electric wire netting to the electric wire netting and can the automatic cutout circuit's advantage when breaking down, has solved traditional protection device and can not carry out analysis, detection to the electric wire netting, can not automatic switch-over circuit's problem when taking place slight overload or short circuit and under-voltage etc. trouble.
The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: a protection device for safe operation of a power grid comprises a box body and a power-off device, wherein the side face of the box body is fixedly communicated with a power grid input end, the other side face of the box body is fixedly communicated with a power grid output end, the middle part of the inner wall of the box body is fixedly provided with an universal meter and a voltage detector, the bottom wall of the box body is fixedly provided with a controller, the inner wall of the box body is fixedly connected with a sliding plate, one end of the power-off device is electrically connected with a first conductive tube, the first conductive tube penetrates through the side face of the box body and extends to the inside of the box body, the other end of the power-off device is electrically connected with a second conductive tube, the second conductive tube penetrates through the side face of the box body and extends to the inside of the box body, the top end of the second conductive tube is fixedly connected with a negative plate, the top end of the first, and the hinge bar is located the inside of activity groove, the inside wall fixedly connected with second spring of box, and the one end and the hinge bar fixed connection of second spring, the upper surface of slide is provided with second electro-magnet and first electro-magnet, the side fixedly connected with bracing piece of first electro-magnet, and another medial surface fixed connection of one end and the box of bracing piece, the first spring of a set of symmetry of side fixedly connected with of second electro-magnet, and the one end of first spring and the inside wall fixed connection of box, the positive fixed mounting of box has the switch.
Furthermore, the front of the box body is fixedly provided with a display screen, and the display screen is electrically connected with the universal meter.
By adopting the technical scheme, the power grid monitoring system has the advantage that the operation condition of the power grid can be visually observed.
Furthermore, an input keyboard is fixedly installed on the front face of the box body and is electrically connected with the controller.
By adopting the technical scheme, the controller has the advantage that the set value in the controller can be changed according to the actual situation.
Furthermore, a set of symmetrical sliding grooves are formed in the upper surface of the sliding plate, and the first electromagnet and the second electromagnet are connected to the inside of the sliding grooves in a sliding mode.
Through adopting above-mentioned technical scheme, when having avoided the second magnet to take place the slope, lead to the problem of this device inefficacy to take place.
Furthermore, the back of the box body is provided with heat dissipation holes, and the back of the box body is fixedly provided with a battery.
Through adopting above-mentioned technical scheme, possessed and need not external power supply, the staff of being convenient for monitors the advantage to the electric wire netting of different positions.
Compared with the prior art, the protection device for the safe operation of the power grid has the following beneficial effects:
1. when the data transmitted to the controller by the voltage detector of the utility model is not in accordance with the set data, the controller controls the first electromagnet and the second electromagnet to be electrified, the first electromagnet and the second electromagnet are mutually exclusive, the second electromagnet yields the elastic force of the first spring to move leftwards, the second electromagnet drives the hinged rod to overcome the elastic force of the second spring to rotate leftwards, the hinged rod drives the positive plate to move, the positive plate and the negative plate are mutually contacted, the first conductive tube is electrically connected with the second conductive tube, the power-on work of the power-off device is used for carrying out circuit cut-off on the input end of the power grid, the power grid can be analyzed, the circuit can be automatically cut off when the power grid fails in detection, and the problem that the traditional protection device cannot analyze and detect the power grid, and cannot automatically switch circuits when faults such as slight overload, short circuit, undervoltage and the like occur is solved.
2. The utility model discloses a set up the display screen, possessed the advantage that can the function situation of visual observation electric wire netting, through setting up input keyboard, possessed and to have carried out the advantage of change to the inside setting value of controller according to actual conditions, through setting up the spout, when having avoided second magnet to take place to incline, leaded to the problem emergence of this device inefficacy, through setting up the battery, possessed and need not external power supply, the staff of being convenient for carries out the advantage monitored to the electric wire netting of different positions.
Drawings
FIG. 1 is a schematic view of the internal structure of the box body of the present invention;
FIG. 2 is a schematic front view of the box body of the present invention;
FIG. 3 is a perspective view of the slide plate of the present invention;
fig. 4 is a schematic view of the back of the box body of the present invention.
In the figure: 1-box, 2-universal meter, 3-controller, 4-voltage detector, 5-power grid output end, 6-support rod, 7-first electromagnet, 8-positive plate, 9-second electromagnet, 10-first spring, 11-hinged rod, 12-negative plate, 13-second spring, 14-first conductive tube, 15-power grid input end, 16-power-off device, 17-second conductive tube, 18-input keyboard, 19-display screen, 20-switch, 21-heat dissipation hole, 22-battery, 23-sliding plate, 24-movable groove and 25-sliding groove.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a protection device for safe operation of a power grid comprises a box body 1 and a power-off device 16, wherein a display screen 19 is fixedly installed on the front surface of the box body 1, the display screen 19 is electrically connected with a universal meter 2, the protection device has the advantage of being capable of visually observing the operation condition of the power grid, an input keyboard 18 is fixedly installed on the front surface of the box body 1, the input keyboard 18 is electrically connected with a controller 3, the protection device has the advantage of being capable of changing a set value in the controller 3 according to actual conditions, a heat dissipation hole 21 is formed in the back surface of the box body 1, a battery 22 is fixedly installed on the back surface of the box body 1, an external power supply is not needed, the protection device is convenient for workers to monitor the power grids at different positions, a power grid input end 15 is fixedly communicated with the side surface of the box body 1, a power grid output end 5 is fixedly communicated with the other side surface of, the diapire fixed mounting of box 1 has controller 3, and the inner wall fixedly connected with slide 23 of box 1, the spout 25 of a set of symmetry is seted up to the upper surface of slide 23, and the equal sliding connection of first electro-magnet 7 and second electro-magnet 9 in the inside of spout 25, when having avoided second magnet to take place to incline, leads to the problem of this device inefficacy to take place.
One end of a power-off device 16 is electrically connected with a first conductive tube 14, the first conductive tube 14 penetrates through the side surface of the box body 1 and extends to the inside of the box body 1, the other end of the power-off device 16 is electrically connected with a second conductive tube 17, the second conductive tube 17 penetrates through the side surface of the box body 1 and extends to the inside of the box body 1, the top end of the second conductive tube 17 is fixedly connected with a negative plate 12, the top end of the first conductive tube 14 is hinged with a hinged rod 11, the top end of the hinged rod 11 is fixedly connected with a positive plate 8, one end of a sliding plate 23 is provided with a movable groove 24, the hinged rod 11 is positioned inside the movable groove 24, the inner side wall of the box body 1 is fixedly connected with a second spring 13, one end of the second spring 13 is fixedly connected with the hinged rod 11, the upper surface of the sliding plate 23 is provided with a second electromagnet 9 and a first electromagnet 7, the side surface of the first electromagnet 7 is fixedly, the side of the second electromagnet 9 is fixedly connected with a group of symmetrical first springs 10, one end of each first spring 10 is fixedly connected with the inner side wall of the box body 1, and the front of the box body 1 is fixedly provided with a switch 20.
When the device is used, the device is arranged on a power grid to be protected and is electrically communicated with the power grid, the rotary switch 20 and the battery 22 supply power to the device, a set value of voltage is input into the controller 3 through the input keyboard 18, the voltage detector 4 monitors the voltage input by the power grid input end 15, the voltage detector 4 transmits monitored data to the controller 3, when the data transmitted by the voltage detector 4 to the controller 3 is inconsistent with the set data, the controller 3 controls the first electromagnet 7 and the second electromagnet 9 to be electrified, the first electromagnet 7 and the second electromagnet 9 are mutually repelled, the second electromagnet 9 yields the elastic force of the first spring 10 to move leftwards, the second electromagnet 9 drives the hinged rod 11 to overcome the elastic force of the second spring 13 to slide leftwards in the movable groove 24, the hinged rod 11 drives the positive plate 8 to move, and the positive plate 8 is mutually contacted with the negative plate 12, the first conductive tube 14 is electrically connected with the second conductive tube 17, and the power cut-off device 16 is electrified to cut off the circuit of the power grid input end 15.
Claims (5)
1. The utility model provides a protection device is used in electric wire netting safe operation, includes box (1) and outage device (16), its characterized in that: the power supply box is characterized in that the side face of the box body (1) is fixedly communicated with a power grid input end (15), the other side face of the box body (1) is fixedly communicated with a power grid output end (5), the middle part of the inner wall of the box body (1) is fixedly provided with a universal meter (2) and a voltage detector (4), the bottom wall of the box body (1) is fixedly provided with a controller (3), the inner wall of the box body (1) is fixedly connected with a sliding plate (23), one end of a power-off device (16) is electrically connected with a first conductive tube (14), the first conductive tube (14) penetrates through the side face of the box body (1) and extends to the inside of the box body (1), the other end of the power-off device (16) is electrically connected with a second conductive tube (17), the second conductive tube (17) penetrates through the side face of the box body (1) and extends to the inside of the box body (1), the top end of the first conductive pipe (14) is hinged with a hinged rod (11), the top end of the hinged rod (11) is fixedly connected with a positive plate (8), one end of a sliding plate (23) is provided with a movable groove (24), the hinged rod (11) is positioned inside the movable groove (24), the inner side wall of the box body (1) is fixedly connected with a second spring (13), one end of the second spring (13) is fixedly connected with the hinged rod (11), the upper surface of the sliding plate (23) is provided with a second electromagnet (9) and a first electromagnet (7), the side surface of the first electromagnet (7) is fixedly connected with a supporting rod (6), one end of the supporting rod (6) is fixedly connected with the other inner side surface of the box body (1), the side surface of the second electromagnet (9) is fixedly connected with a group of symmetrical first springs (10), and one end of the first springs (10) is fixedly connected with the inner side wall of the box body (1), the front surface of the box body (1) is fixedly provided with a switch (20).
2. A protection device for grid safe operation according to claim 1, characterized in that: the front surface of the box body (1) is fixedly provided with a display screen (19), and the display screen (19) is electrically connected with the universal meter (2).
3. A protection device for grid safe operation according to claim 1, characterized in that: the front surface of the box body (1) is fixedly provided with an input keyboard (18), and the input keyboard (18) is electrically connected with the controller (3).
4. A protection device for grid safe operation according to claim 1, characterized in that: a set of symmetrical sliding grooves (25) are formed in the upper surface of the sliding plate (23), and the first electromagnet (7) and the second electromagnet (9) are connected to the inside of the sliding grooves (25) in a sliding mode.
5. A protection device for grid safe operation according to claim 1, characterized in that: the back of the box body (1) is provided with heat dissipation holes (21), and the back of the box body (1) is fixedly provided with a battery (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462071.4U CN211958749U (en) | 2020-04-02 | 2020-04-02 | Protection device for safe operation of power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462071.4U CN211958749U (en) | 2020-04-02 | 2020-04-02 | Protection device for safe operation of power grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211958749U true CN211958749U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020462071.4U Expired - Fee Related CN211958749U (en) | 2020-04-02 | 2020-04-02 | Protection device for safe operation of power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211958749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394189A (en) * | 2023-10-20 | 2024-01-12 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
-
2020
- 2020-04-02 CN CN202020462071.4U patent/CN211958749U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394189A (en) * | 2023-10-20 | 2024-01-12 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
| CN117394189B (en) * | 2023-10-20 | 2024-03-22 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 Termination date: 20210402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |