CN217182047U - Distribution network low-voltage reverse power transmission automatic cut-off device - Google Patents
Distribution network low-voltage reverse power transmission automatic cut-off device Download PDFInfo
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- CN217182047U CN217182047U CN202123402514.4U CN202123402514U CN217182047U CN 217182047 U CN217182047 U CN 217182047U CN 202123402514 U CN202123402514 U CN 202123402514U CN 217182047 U CN217182047 U CN 217182047U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 230000002441 reversible effect Effects 0.000 title claims description 11
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a distribution network low pressure is anti-power transmission automatic cutout device, including the cabinet body and detection switch, the inner wall fixedly connected with electromagnetic induction coil of the cabinet body, electromagnetic induction coil's take-up reel one end is run through and has been seted up the round hole, and round hole inner wall fixedly connected with sleeve pipe, sheathed tube inner wall sliding connection has first conducting rod, the both ends of first conducting rod are connected with the internal input joint of cabinet and output connection respectively, the internal input joint of cabinet is connected with the low voltage electric wire netting, output connection and resident are connected with the circuit, the internal bottom wall fixedly connected with stand-by power supply of cabinet. The utility model discloses a first conducting rod is connected input joint and output joint under the on-state, is favorable to the spring top to move first conducting rod when output joint outage and keeps away from input joint and output joint respectively, and then has reached the effect with resident's power consumption circuit and low voltage electric wire netting automatic disconnection, has protected the workman of overhauing the circuit to have reduced the consumption of manpower and materials simultaneously.
Description
Technical Field
The utility model relates to a distribution network automatic cutout equipment technical field especially relates to a distribution network low pressure is turned over to transmit electricity automatic cutout device.
Background
The power grid is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, a plurality of accessory facilities and the like, plays a role of a network for distributing electric energy in a power grid, the distribution network refers to the power grid with the voltage grade of 35KV and below, and is used for supplying power to each distribution station and various electric loads in cities, electric shock of low-voltage reverse transmission can be generated before a constructor checks a 10KV distribution circuit, and in order to prevent the phenomenon, the switches with low voltage in all working ranges are required to be in a closed state after the circuit of the whole line is interrupted.
However, in the daily inspection work, because the number of transformers for power distribution is large within the range of the working area, a large number of low-voltage switches exist at the same time, the switching on and off of the low-voltage switches are the source of reverse power transmission possibly occurring in the power grid, the interruption time of power failure and power transmission is very long, and a large number of hands are needed to be added to operate the low-voltage switches, the time of maintenance and construction is delayed due to the overlong time of the power failure process, the reliability of power supply is also greatly reduced, and more manpower and material resources are wasted due to the fact that more power needs to be arranged if the interruption time of power supply is shortened.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a low-voltage reverse power transmission automatic cut-off device for a power distribution network.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a distribution network low pressure is anti-power transmission automatic cutout device, includes the cabinet body and detection switch, detection switch fixed connection is at the inner wall of the cabinet body, and is equipped with the PLC controller in the detection switch, the inner wall fixedly connected with electromagnetic induction coil of the cabinet body, electromagnetic induction coil's take-up reel one end is run through and has been seted up the round hole, and round hole inner wall fixedly connected with sleeve pipe, sheathed tube inner wall sliding connection has a first conducting rod, the both ends of first conducting rod are connected with the internal input joint and the output connection of cabinet respectively, the internal input joint of cabinet is connected with the low voltage electric wire netting, and output connection and resident for the circuit connection, the internal diapire fixedly connected with stand-by power supply of cabinet, and stand-by power supply's output is equipped with the closed subassembly of circuit of being connected with first conducting rod.
Preferably, one end of the input connector, which is close to the first conducting rod, is fixedly connected with a U-shaped conducting frame, an opening of the U-shaped conducting frame is arranged downward, one end of the first conducting rod, which is close to the input connector, is fixedly connected with a straight rod, the side wall of the straight rod and one end of the first conducting rod, which is far away from the U-shaped conducting frame, are fixedly connected with electrode plates, the two electrode plates are respectively in contact with the input connector and the output connector, and the input connector and the output connector are connected through the first conducting rod.
Preferably, a limiting ring is fixedly sleeved on the side wall of the sleeve close to the U-shaped conductive frame, and the limiting ring is connected with the straight rod through a spring.
Preferably, two connection points of the electromagnetic induction coil are fixedly connected with a first wire and a second wire respectively, one end of the first wire, which is far away from the electromagnetic induction coil, is electrically connected with the U-shaped conductive frame, a circular hole is formed in the side wall, which is close to the output connector, of the sleeve, and one end, which is far away from the electromagnetic induction coil, of the second wire penetrates through the circular hole to be electrically connected with the first conductive rod.
Preferably, the closed subassembly of circuit includes two second conducting rods of fixed connection at stand-by power supply input and output, two equal fixed the having cup jointed the insulating film on the lateral wall of second conducting rod, and its equal fixedly connected with current conducting plate of one end of keeping away from stand-by power supply, fixed the having cup jointed first electrode ring on the lateral wall that first conducting rod is close to output joint, and the second electrode ring that fixedly connected with and U-shaped are connected on the lateral wall of straight-bar, two the current conducting plate sets up the one side at first electrode ring and second electrode ring respectively.
Preferably, the input end of the detection switch is connected with the input connector, the output end of the detection switch is connected with the input end of the PLC controller, and the output end of the PLC controller is connected with the input end and the output end of the standby power supply.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the electromagnetic induction coil, the first conducting rod and the spring are matched for use, so that the effect that the input connector and the output connector are connected through the first conducting rod in the power-on state is achieved, the spring pushes the first conducting rod to be away from the input connector and the output connector respectively when the output connector is powered off, the effect that the resident power utilization circuit and the low-voltage power grid are automatically disconnected is achieved, and the consumption of manpower and material resources is reduced for workers overhauling the circuit.
2. Through the detection switch that sets up, stand-by power supply and second conducting rod's cooperation is used, in order to reach and monitor the effect that input joint exists the electric current and start the stand-by power supply and switch on two second conducting rods when input joint and output connector are in the off-state, first conducting rod drives first electrode ring and second electrode ring and contacts with two current conducting plates respectively, after switching on again to low voltage electric network, be favorable to the circular telegram of the electromagnetic induction coil who connects for two current conducting plates, make it drive the intraductal first conducting rod removal of cover, with input joint and output connector reconnection, and then the speed of closed circuit has been improved, the time of having a power failure has been shortened.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the internal structure schematic diagram of the cabinet and its partial enlarged view.
Fig. 3 is a schematic diagram of the electromagnetic induction coil structure provided by the present invention.
Fig. 4 is a partial enlarged view of a point a according to the present invention.
In the figure: the intelligent cabinet comprises a cabinet body 1, a detection switch 2, an electromagnetic induction coil 3, a sleeve 4, a first conducting rod 5, an input connector 6, an output connector 7, a standby power supply 8, a U-shaped conducting frame 9, a straight rod 10, a limiting ring 11, a spring 12, a first conducting wire 13, a second conducting wire 14, a second conducting rod 15, a conducting plate 16, a first electrode ring 17 and a second electrode ring 18.
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.
Referring to fig. 1-4, an automatic cutting device for low-voltage reverse power transmission of a power distribution network comprises a cabinet body 1 and a detection switch 2, wherein the detection switch 2 is fixedly connected to the inner wall of the cabinet body 1, and a PLC controller is arranged in the detection switch 2, wherein the detection switch 2 and the PLC controller are of existing structures and are not described herein, the detection switch 2 is connected with an input connector 6 to monitor whether the input connector 6 has current or not in real time, when the input connector 6 has current, a standby power supply 8 is started through the PLC controller to energize two second conductive rods 15, an electromagnetic induction coil 3 is fixedly connected to the inner wall of the cabinet body 1, the electromagnetic induction coil 3 is of an existing structure and is not described herein, and when the electromagnetic induction coil 3 is energized, electromagnetic force generated in the electromagnetic induction coil can drive a first conductive rod 5 to move;
one end of a winding roll of the electromagnetic induction coil 3 is provided with a circular hole in a penetrating way, the inner wall of the circular hole is fixedly connected with a sleeve 4, the inner wall of the sleeve 4 is connected with a first conducting rod 5 in a sliding way, two ends of the first conducting rod 5 are respectively connected with an input joint 6 and an output joint 7 in the cabinet body 1, when the low-voltage network is connected to the residential electricity circuit, the input connector 6 transmits the current to the output connector 7 through the first conductive rod 5, and the first and second conductive wires 13 and 14 connect the electromagnetic induction coil 3 in parallel to the outside of the first conductive rod 5, the electromagnetic force generated in the sleeve drives the first conducting rod 5 to slide along the inner wall of the sleeve 4, the input connector 6 is connected with the output connector 7 by overcoming the elastic force of the spring 12, one end of the input connector 6 close to the first conducting rod 5 is fixedly connected with a U-shaped conducting frame 9, the opening of the U-shaped conductive frame 9 is arranged downwards, and a first lead 13 and a second lead 14 are respectively and fixedly connected at two connecting points of the electromagnetic induction coil 3;
one end of the first lead 13 far away from the electromagnetic induction coil 3 is electrically connected with the U-shaped conductive frame 9, a circular hole is perforated on the side wall of the sleeve 4 near the output connector 7, and one end of the second lead 14 far away from the electromagnetic induction coil 3 passes through the round hole to be electrically connected with the first conducting rod 5, one end of the first conducting rod 5 close to the input joint 6 is fixedly connected with a straight rod 10, the side wall of the sleeve 4 close to the U-shaped conducting frame 9 is fixedly sleeved with a limiting ring 11, the limiting ring 11 is connected with the straight rod 10 through a spring 12, by connecting the input connector 6 and the output connector 7 by the first conducting rod 5 in the power-on state, the spring 12 is favorable for pushing the first conducting rod 5 to be away from the input connector 6 and the output connector respectively when the output connector 7 is powered off, the effect of automatically disconnecting the residential power circuit from the low-voltage power grid is achieved, workers for overhauling the circuit are protected, and consumption of manpower and material resources is reduced;
the side wall of the straight rod 10 and one end of the first conducting rod 5, which is far away from the U-shaped conducting frame 9, are fixedly connected with electrode plates, the two electrode plates are respectively contacted with an input connector 6 and an output connector 7, the input connector 6 and the output connector 7 are connected through the first conducting rod 5, the input connector 6 in the cabinet body 1 is connected with a low-voltage power grid, the output connector 7 is connected with a resident power circuit, the inner bottom wall of the cabinet body 1 is fixedly connected with a standby power supply 8, the input end of the detection switch 2 is connected with the input connector 6, the output end of the detection switch is connected with the input end of the PLC, the output end of the PLC is connected with the input end and the output end of the standby power supply 8, and the output end of the standby power supply 8 is provided with a circuit closing assembly connected with the first conducting rod 5;
the circuit closing assembly comprises two second conducting rods 15 fixedly connected with the input end and the output end of a standby power supply 8, insulating films are fixedly sleeved on the side walls of the two second conducting rods 15, conducting plates 16 are fixedly connected with one ends of the two second conducting rods, which are far away from the standby power supply 8, a first electrode ring 17 is fixedly sleeved on the side wall of the first conducting rod 5, which is close to the output connector 7, a second electrode ring 18 connected with a U-shaped conducting frame 9 is fixedly connected with the side wall of the straight rod 10, the two conducting plates 16 are respectively arranged on one side of the first electrode ring 17 and one side of the second electrode ring 18, the standby power supply 8 is started to conduct electricity to the two second conducting rods 15 when the current existing in the input connector 6 is monitored through the detection switch 2, when the input connector 6 and the output connector 7 are in a disconnected state, the first conducting rod 5 drives the first electrode ring 17 and the second electrode ring 18 to respectively contact with the conducting plates 16, after the low-voltage power grid is electrified again, the electromagnetic induction coils 3 connected with the two conductive plates 16 are electrified, so that the electromagnetic induction coils drive the first conductive rods 5 in the sleeves 4 to move, the input connectors 6 and the output connectors 7 are reconnected, the speed of a closed circuit is increased, and the power failure time is shortened.
The working principle is as follows: when the low-voltage power grid is communicated with the residential power circuit, the input connector 6 transmits current to the output connector 7 through the first conducting rod 5, the first conducting wire 13 and the second conducting wire 14 connect the electromagnetic induction coil 3 to the outer side of the first conducting rod 5 in parallel, the electromagnetic force generated in the first conducting rod 5 drives the first conducting rod 5 to slide along the inner wall of the sleeve 4, the input connector 6 is connected with the output connector 7 by overcoming the elasticity of the spring 12, and when the first conducting rod is connected with the output connector 7, the two conducting plates 16 are respectively disconnected with the first electrode ring 17 and the second electrode ring 18, the input connector 6 and the output connector 7 are connected through the first conducting rod 5 in the electrified state, the spring 12 is favorable for pushing the first conducting rod 5 to be away from the input connector 6 and the output connector respectively when the output connector 7 is powered off, the effect of automatically disconnecting the residential power circuit from the low-voltage power grid is further achieved, the consumption of manpower and material resources is reduced by workers for overhauling the circuit, when the detection switch 2 monitors that the input connector 6 has current, the standby power supply 8 is started to electrify the two second conducting rods 15, when the input connector 6 and the output connector 7 are in a disconnected state, the first conducting rod 5 drives the first electrode ring 17 and the second electrode ring 18 to be respectively contacted with the two conducting plates 16, and after the low-voltage power grid is electrified again, the electromagnetic induction coils 3 connected with the two conducting plates 16 are electrified, so that the electromagnetic induction coils drive the first conducting rod 5 in the sleeve 4 to move, the input connector 6 and the output connector 7 are reconnected, the speed of a closed circuit is increased, and the power failure time is shortened.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a distribution network low pressure is turned over power transmission automatic cutout device, includes the cabinet body (1) and detects switch (2), detect switch (2) fixed connection is at the inner wall of the cabinet body (1), and is equipped with the PLC controller in detecting switch (2), its characterized in that, the inner wall fixedly connected with electromagnetic induction coil (3) of the cabinet body (1), the wire reel one end of electromagnetic induction coil (3) is run through and is seted up the round hole, and round hole inner wall fixedly connected with sleeve pipe (4), the inner wall sliding connection of sleeve pipe (4) has first conducting rod (5), the both ends of first conducting rod (5) are connected with input joint (6) and output joint (7) in the cabinet body (1) respectively, input joint (6) in the cabinet body (1) are connected with the low voltage electric wire netting, and output joint (7) are connected with resident's circuit, the inner bottom wall fixedly connected with stand-by power supply (8) in the cabinet body (1), and the output end of the standby power supply (8) is provided with a circuit closing component connected with the first conducting rod (5).
2. The automatic cutting device for low-voltage reverse power transmission of the power distribution network according to claim 1, wherein a U-shaped conductive frame (9) is fixedly connected to one end, close to the first conductive rod (5), of the input connector (6), an opening of the U-shaped conductive frame (9) is arranged downward, a straight rod (10) is fixedly connected to one end, close to the input connector (6), of the first conductive rod (5), electrode plates are fixedly connected to both the side wall of the straight rod (10) and one end, far away from the U-shaped conductive frame (9), of the first conductive rod (5), the two electrode plates are respectively in contact with the input connector (6) and the output connector (7), and the input connector (6) and the output connector (7) are connected through the first conductive rod (5).
3. The automatic cutting device for low-voltage reverse power transmission of the power distribution network according to claim 2, wherein a limiting ring (11) is fixedly sleeved on the side wall of the sleeve (4) close to the U-shaped conductive frame (9), and the limiting ring (11) is connected with the straight rod (10) through a spring (12).
4. The automatic cutting device for low-voltage reverse power transmission of the power distribution network according to claim 2, wherein a first conducting wire (13) and a second conducting wire (14) are fixedly connected to two connection points of the electromagnetic induction coil (3), one end of the first conducting wire (13) far away from the electromagnetic induction coil (3) is electrically connected with the U-shaped conducting frame (9), a circular hole is formed in the side wall of the sleeve (4) close to the output connector (7) in a penetrating mode, and one end of the second conducting wire (14) far away from the electromagnetic induction coil (3) penetrates through the circular hole to be electrically connected with the first conducting rod (5).
5. The automatic cutting device for low-voltage reverse power transmission of the power distribution network according to claim 2, wherein the circuit closing assembly comprises two second conducting rods (15) fixedly connected to the input end and the output end of the standby power supply (8), the side walls of the two second conducting rods (15) are fixedly sleeved with insulating films, one ends of the second conducting rods far away from the standby power supply (8) are fixedly connected with conducting plates (16), the side wall of the first conducting rod (5) close to the output connector (7) is fixedly sleeved with a first electrode ring (17), the side wall of the straight rod (10) is fixedly connected with a second electrode ring (18) connected with the U-shaped conducting frame (9), and the two conducting plates (16) are respectively arranged on one side of the first electrode ring (17) and one side of the second electrode ring (18).
6. The automatic cut-off device for low-voltage reverse power transmission of the power distribution network according to claim 5, wherein the input end of the detection switch (2) is connected with the input connector (6), and the output end of the detection switch is connected with the input end of the PLC controller, and the output end of the PLC controller is connected with the input end and the output end of the standby power supply (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123402514.4U CN217182047U (en) | 2021-12-31 | 2021-12-31 | Distribution network low-voltage reverse power transmission automatic cut-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123402514.4U CN217182047U (en) | 2021-12-31 | 2021-12-31 | Distribution network low-voltage reverse power transmission automatic cut-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217182047U true CN217182047U (en) | 2022-08-12 |
Family
ID=82730501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123402514.4U Expired - Fee Related CN217182047U (en) | 2021-12-31 | 2021-12-31 | Distribution network low-voltage reverse power transmission automatic cut-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217182047U (en) |
-
2021
- 2021-12-31 CN CN202123402514.4U patent/CN217182047U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20220812 |