CN110829428A - Low-voltage quick access communication device and power supply network - Google Patents
Low-voltage quick access communication device and power supply network Download PDFInfo
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- CN110829428A CN110829428A CN201911181110.1A CN201911181110A CN110829428A CN 110829428 A CN110829428 A CN 110829428A CN 201911181110 A CN201911181110 A CN 201911181110A CN 110829428 A CN110829428 A CN 110829428A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to a low-voltage quick access connection device and a power supply network, comprising: the anti-falling power supply device access wire clamp is used for clamping an anti-falling power supply device on an overhead cable, and a connector is arranged on the anti-falling power supply device access wire clamp; the first end of connecting cable with the connector is connected, the second end of connecting cable with quick access electricity cabinet is connected. The low-voltage quick access communication device and the power supply network can transfer the load of the overhead cable to the temporary bypass of the quick access electric cabinet, and the temporary line is used for replacing equipment to be overhauled or replaced to operate.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a low-voltage quick access interconnection device and a power supply network.
Background
In the operation and maintenance of a power system, along with the problems of increase of power loads, overhaul of power equipment, sudden natural disasters, frequent migration of loads and the like, power utilization occasions such as uninterrupted overhaul and the like are increased day by day, but the existing distribution network line can only be powered off when planned overhaul and fault first-aid repair operation, so that the power failure time is long or other power supply equipment cannot be connected, and the power supply of a related power utilization field cannot be met.
Disclosure of Invention
On the basis, the low-voltage quick access communication device and the power supply network are necessary to solve the problems that the existing distribution network line can only be powered off when planned maintenance and fault first-aid repair work is carried out, the power failure time is long, other power supply equipment cannot be accessed, and the power supply of a related power utilization field cannot be met.
A low voltage quick access communication device comprising: the anti-falling power supply device access wire clamp is used for clamping an anti-falling power supply device on an overhead cable, and a connector is arranged on the anti-falling power supply device access wire clamp; the first end of connecting cable with the connector is connected, the second end of connecting cable with quick access electricity cabinet is connected.
In one embodiment, the second end of the connection cable is fixedly connected with the quick-access electric cabinet.
In one embodiment, the second end of the connection cable is plugged into the quick-access electric cabinet.
In one embodiment, a switch control circuit breaker is arranged on the quick access electric cabinet and is electrically connected with the connecting cable.
In one embodiment, an indicator lamp is arranged on the quick access electric cabinet and electrically connected with the connecting cable
In one embodiment, the anti-falling power supply device access wire clamp comprises a first access wire clamp and a second access wire clamp, the connection wire clamp comprises a first connection wire clamp and a second connection wire clamp, the first access wire clamp is used for clamping one of the anti-falling power supply devices on the overhead cable, the second access wire clamp is used for clamping the other anti-falling power supply device on the same overhead cable, a connector of the first access wire clamp is connected with a first end of the first connection wire clamp, a connector of the second access wire clamp is connected with a first end of the second connection wire clamp, and a second end of the first connection wire clamp and a second end of the second connection wire clamp respectively penetrate through two opposite sides of the fast access electric cabinet and are electrically connected.
In one embodiment, the low voltage quick access interconnection means includes the first access clamp, the second access clamp, the number of the first connecting cables and the number of the second connecting cables are 4, each first access wire clamp is used for being clamped on one of the anti-falling power supply devices on one overhead cable in a one-to-one corresponding mode, each second access wire clamp is used for being clamped on the other anti-falling power supply device on the same overhead cable in a one-to-one corresponding mode, a connector of each first access wire clamp is connected with a first end of one first connecting cable in a one-to-one corresponding mode, a connector of each second access wire clamp is connected with a first end of one second connecting cable in a one-to-one corresponding mode, and a second end of each first connecting cable and a second end of each second connecting cable penetrate through two opposite sides of the quick access electric cabinet and are electrically connected in a one-to-one corresponding mode.
In one embodiment, the low voltage quick access contact further comprises an extension cable; the first end of extension cable with the second end of first connection cable is connected, the second end of extension cable with the second end of second connection cable passes respectively quick access electricity cabinet's relative both sides and electricity are connected, or, the first end of extension cable with the second end of second connection cable is connected, the second end of first connection cable with the second end of extension cable passes respectively quick access electricity cabinet's relative both sides and electricity are connected.
In one embodiment, the surface of the connecting cable of the low-voltage quick access communication device is coated with a cable protective sleeve.
An electrical power supply network comprising a back-up prevention power supply means, a mobile electrical device and a low voltage fast access contact means as described in any one of the above embodiments; the anti-falling power supply device access wire clamp is clamped on the anti-falling power supply device and is electrically connected with the exposed part of the overhead cable at the anti-falling power supply device, and the mobile power equipment is electrically connected with the quick access power cabinet.
Above-mentioned low pressure quick access contact device and power supply network, prevent down power supply unit access fastener through setting up, connecting cable and quick access electric cabinet, when joining in marriage the operation such as the net twine way carries out trouble-repair or scheduled maintenance, will prevent down power supply unit access fastener centre gripping in preventing down power supply unit, with carry out the naked partial electricity that prevents down power supply unit department in the net twine way that trouble-repair or scheduled maintenance was salvageed in the aerial [ insulated ] cable and be connected, and will prevent down power supply unit access fastener and be connected with quick access electric cabinet through connecting cable, so that prevent down power supply unit access fastener and be connected with quick access electric cabinet, thereby shift the load of aerial [ insulated ] cable to in this interim bypass of quick access electric cabinet, replace the equipment operation of waiting to overhaul or changing with this interim circuit.
Drawings
Fig. 1 is a schematic structural diagram of a low voltage fast access communication device according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic view of an anti-backup power supply apparatus access clip according to an embodiment of the present application;
fig. 5 is a schematic view of an angle of a quick access electrical cabinet according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a state of another angle of a quick access electrical cabinet according to an embodiment of the present application;
FIG. 7 is a partial schematic view of a quick access electrical cabinet and connecting cable according to an embodiment of the present application;
fig. 8 is a circuit diagram of a connection circuit of a quick access electrical cabinet according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. In the present invention, "upper" and "lower" merely indicate relative positions, and do not indicate absolute positions.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the 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 at least two, e.g., two, three, etc., unless specifically limited otherwise.
In one embodiment, the present application claims a low voltage quick access communicator that includes: the anti-falling power supply device access wire clamp is used for clamping an anti-falling power supply device on an overhead cable, and a connector is arranged on the anti-falling power supply device access wire clamp; the first end of connecting cable with the connector is connected, the second end of connecting cable with quick access electricity cabinet is connected.
Above-mentioned low pressure quick access contact device, prevent down power supply unit access fastener through setting up, connecting cable and quick access electric cabinet, when joining in marriage the net twine way and carry out the operation such as breakdown repair or plan maintenance, will prevent down power supply unit access fastener centre gripping in preventing down power supply unit, with carry out the operation such as breakdown repair or plan maintenance in the aerial [ insulated ] cable in joining in marriage the net twine way in lie in preventing the naked part electricity of power supply unit department and be connected, and will prevent down power supply unit access fastener and be connected with quick access electric cabinet through connecting cable, so that prevent down power supply unit access fastener and be connected with quick access electric cabinet, thereby shift the load of aerial [ insulated ] cable to in this interim bypass of quick access electric cabinet, replace the equipment operation of waiting to overhaul or change with this interim circuit.
In order to facilitate understanding of the low voltage quick access communication device of the present application, the low voltage quick access communication device of the present application will be further described with reference to the accompanying drawings.
In one embodiment, referring to fig. 1 to 4, the low voltage fast access communication device 10 includes: the anti-falling power supply device is connected with the wire clamp 100, the connecting cable 200 and the quick access electric cabinet 300.
The falling prevention power supply device access clip 100 is used to electrically connect with the exposed portion of the overhead cable at the falling prevention power supply device. For example, when a failure emergency repair or scheduled maintenance is performed, an insulating layer of a portion of the overhead cable located at the anti-falling power supply device is peeled off in the distribution network line, so that a lead inside the portion of the overhead cable is exposed. The connection cable 200 is used to electrically connect the falling preventive power supply device access clamp 100 located in the air and the quick access electric cabinet 300 located on the ground. The fast access electric cabinet 300 may also be referred to as a fast access device or a fast access box, and the fast access electric cabinet 300 is used to provide safe and reliable fast access and on-off functions of the power supply on the overhead cable, that is, to control the power supply on the overhead cable to pass through the anti-falling power supply device access wire clamp 100 and the connection cable 200 to the fast access electric cabinet 300 and then to be accessed or connected with other cables or devices.
The falling prevention power supply device access clamp 100 is used for clamping a falling prevention power supply device on an overhead cable. Specifically, the falling prevention power supply device access clip 100 is used to clamp an exposed portion of the overhead cable at the falling prevention power supply device, so that the falling prevention power supply device access clip 100 is electrically connected with the overhead cable.
The anti-falling power supply device access wire clamp 100 is provided with a connector, and the connector is used for enabling the anti-falling power supply device access wire clamp 100 to be quickly connected with the connecting cable 200. In an embodiment, the falling prevention power supply device access clamp 100 includes a clamp body, a connection clamp and a connector, the connection clamp is used for clamping the falling prevention power supply device on the overhead cable, specifically, the connection clamp is used for clamping the exposed part of the falling prevention power supply device in the overhead cable, so that the falling prevention power supply device access clamp 100 is electrically connected with the overhead cable.
The first end of the connecting cable 200 is connected with the connector, and the second end of the connecting cable 200 is connected with the quick-access electric cabinet 300. In one embodiment, the quick-access electrical cabinet 300 is provided with an inlet/outlet hole, and the second end of the connection cable 200 passes through the inlet/outlet hole and is electrically connected with the internal circuit of the quick-access electrical cabinet 300. In one embodiment, the connecting clamp comprises a connecting portion, a first clamping portion and a second clamping portion, and the first clamping portion and the second clamping portion are respectively rotatably connected with the connecting portion. Further, the free end of the first clamping part and the free end of the second clamping part can be opened and closed through rotation of the first clamping part and the second clamping part. Specifically, the anti-falling power supply access wire clamp utilizes a mechanical mechanism and an anti-loosening principle, so that a bare cable conductor on an overhead cable is reliable in connection, large in contact area and strong in overcurrent capacity, and can be installed quickly without modifying a distribution network line.
In one embodiment, the connection cable 200 is made of a light cable, i.e., a light and flexible cable material. In one embodiment, the connection head of the falling-prevention power supply device access clamp 100 and the connection cable 200 both adopt quick-connection plugs, so that the falling-prevention power supply device access clamp and the connection cable can be quickly connected. In one embodiment, the anti-falling power supply device access wire clamp and the connecting cable adopt a rotating spring connection technology, so that the connection is reliable, the overcurrent capacity is high, and the plugging is convenient and quick.
In one embodiment, the quick-access electrical cabinet 300 includes a box, a copper bar and a disconnecting switch, both of which are disposed in the box. Specifically, other structures such as a socket terminal strip and a quick-mounting socket are further arranged in the box body. It should be noted that the quick access electrical cabinet 300 is a conventional device, and the structure and function thereof are all referred to the prior art and will not be further described herein. The quick access electricity cabinet 300 that this application used arranges safe rationally in the box, considers the fail safe nature and the convenient operation rapidity of later stage emergency power-generating car when the cable is by the manual access of operation personnel from taking simultaneously, has characteristics such as small, convenient, the removal flexibility of access.
In order to allow the connection cable 200 and the connection head to be easily and quickly detached and installed, in one embodiment, the first end of the connection cable 200 is detachably connected to the connection head. The first end of the connecting cable 200 is detachably connected with the connector, so that the anti-falling power supply device access wire clamp 100 and the connecting cable 200 can be conveniently and quickly detached and installed.
In one embodiment, the first end of the connection cable 200 is clamped to the connector. In one embodiment, the first end of the connection cable 200 is plugged into the connector. In one embodiment, the first end of the connection cable 200 is threadedly coupled to the connector. In one embodiment, the first end of the connection cable 200 and the connector are magnetically attached.
In order to more quickly connect the connection cable 200 to the back-up prevention device access clip 100 and the quick access electrical cabinet 300, in one embodiment, the second end of the connection cable 200 is fixedly connected to the quick access electrical cabinet 300. In one embodiment, as shown in fig. 5 to 7, the second end of the connection cable 200 is fixedly connected to the quick-access electric cabinet 300 through a bolt 210. Thus, the connection cable 200 is firstly fixedly connected with the quick-access electric cabinet 300, and the connection cable 200 is connected with the anti-falling power supply device access clamp 100 and the quick-access electric cabinet 300 more quickly.
To facilitate the removal of the connection cable 200 from the quick-access electrical cabinet 300, in one embodiment, the second end of the connection cable 200 is plugged into the quick-access electrical cabinet 300. In one embodiment, the second end of the connection cable 200 is plugged into the quick-access electrical cabinet 300 through a lug. Thus, the connecting cable 200 and the quick-access electric cabinet 300 are plugged, and the connecting cable 200 and the quick-access electric cabinet 300 can be conveniently disassembled and assembled.
In order to adapt the connection cable 200 and the quick-access electrical cabinet 300 to different requirements, in one embodiment, the second end of the connection cable 200 is fixedly connected or plugged with the quick-access electrical cabinet 300. In this way, the connection cable 200 and the quick-access electrical cabinet 300 can be adapted to different needs. In one embodiment, the quick-access electrical cabinet 300 is provided with a plug portion, and the second end of the connection cable 200 is connected with the quick-access electrical cabinet 300 through the bolt 210 and plugged into the plug portion.
In order to control the connection and disconnection between the connection cable 200 and the quick-access electrical cabinet 300, in one embodiment, a switch breaker is disposed on the quick-access electrical cabinet 300, and the switch breaker is electrically connected to the connection cable 200. In one embodiment, as shown in fig. 8, a connection circuit 310 is disposed in the quick-access electric cabinet 300, and the switch breaker is electrically connected to the connection cable 200 through the connection circuit 310 and is configured to control on and off of the connection circuit 310. In one embodiment, the switch breaker is used to control the opening and closing of the switch of the connection circuit 310 to control the connection circuit 310 to be opened and closed. In this way, the connection cable 200 and the quick access electric cabinet 100 can be switched on and off by switching the circuit breaker.
In order to conveniently know the on-off conditions of the connection cable 200 and the quick access electric cabinet 300, in one embodiment, an indicator lamp is disposed on the quick access electric cabinet 300, and the indicator lamp is electrically connected to the connection cable 200. In one embodiment, a connection circuit 310 is disposed in the quick-access electric cabinet 300, the indicator light is electrically connected to the connection cable 200 through the connection circuit 310, and the indicator light is configured to be turned on when the connection circuit 310 is turned on and turned off when the connection circuit 310 is turned off. Therefore, the on-off state of the indicator lamp can be used for conveniently knowing the on-off condition of the connecting cable 200 and the quick access electric cabinet 100.
In one embodiment, the indicator lamps include a power input indicator lamp and a power output indicator lamp, which are respectively connected to the connection circuits 310 on both sides of the switch breaker, that is, the power input indicator lamp and the power output indicator lamp are respectively connected to the connection circuits 310 on both sides of the switch of the connection circuit 310.
In order to enable the anti-falling power supply device access clamp 100 to access the power supply of each overhead cable, in one embodiment, the number of the anti-falling power supply device access clamp 100 and the number of the connection cables 200 are 4, each of the anti-falling power supply device access clamps 100 is respectively used for being clamped on an anti-falling power supply device on an overhead cable in a one-to-one correspondence manner, the first end of each of the connection cables 200 is respectively connected with a connector of the anti-falling power supply device in a one-to-one correspondence manner, and the second end of each of the connection cables 200 is respectively connected with the quick access power cabinet 300. Thus, by providing 4 anti-falling power supply device access clamps 100 and connecting cables 200, the anti-falling power supply device access clamps 100 are connected to the power supply of each overhead cable.
In one embodiment, the overhead cables respectively include a zero line overhead cable, an a-phase overhead cable, a B-phase overhead cable and a C-phase overhead cable, and the 4 anti-falling power supply device access clamps 100 are respectively connected with the anti-falling power supply devices on the zero line overhead cable, the a-phase overhead cable, the B-phase overhead cable and the C-phase overhead cable.
In order to prevent the power supply of the distribution network line from being influenced by the power failure of part of the distribution network line during fault emergency repair or planned maintenance, in one embodiment, the back-up prevention device access clip 100 includes a first access clip and a second access clip, the connection cable 200 includes a first connection cable and a second connection cable, the first access clip is used for clamping on one of the power supply unit for preventing falling on the overhead cable, the second access wire clamp is used for clamping on the other anti-falling power supply device on the same overhead cable, the connector of the first access wire clamp is connected with the first end of the first connecting cable, the connector of the second access wire clamp is connected with the first end of the second connecting cable, the second end of the first connection cable and the second end of the second connection cable respectively penetrate through two opposite sides of the quick-access electric cabinet 300 and are electrically connected. That is, the second end of the first connection cable and the second end of the second connection cable are electrically connected inside the cabinet of the quick-access electric cabinet 300. Like this, through prevent that the power supply unit inserts first access fastener and second access fastener and first connecting cable and second connecting cable respectively at one of them section of aerial [ insulated ] cable for even this section aerial [ insulated ] cable has a power failure and salvagees or has overhauld, its electric current also can follow the low pressure and insert the bypass that the liaison device constitutes fast and flow through, prevent to join in marriage the power supply that the net twine way influences and join in marriage the net twine way because of the part has a power failure when carrying out trouble rush-repair or plan to overhaul.
To enable the back-up prevention device access clip 100 to access the power supply of each overhead cable, in one embodiment, the number of the first access wire clamps, the number of the second access wire clamps, the number of the first connecting cables and the number of the second connecting cables are 4, each first access wire clamp is used for being clamped on one of the anti-falling power supply devices on one overhead cable in a one-to-one correspondence mode, each second access wire clamp is used for being clamped on the other anti-falling power supply device on the same overhead cable in a one-to-one correspondence mode, connectors of each first access wire clamp are connected with first ends of the first connecting cables in a one-to-one correspondence mode, connectors of each second access wire clamp are connected with first ends of the second connecting cables in a one-to-one correspondence mode, and second ends of the first connecting cables and second ends of the second connecting cables penetrate through two opposite sides of the quick access electric cabinet 300 and are electrically connected in a one-to-one correspondence mode. Like this, through setting up 4 first access fastener, first connecting wire cable, second access fastener and second connecting wire cable, make two sets of first access fasteners insert the power of each overhead cable.
In one embodiment, the overhead cables respectively comprise a zero line overhead cable, an a-phase overhead cable, a B-phase overhead cable and a C-phase overhead cable, 4 first access wire clamps are respectively connected with one anti-falling power supply device on the zero line overhead cable, the a-phase overhead cable, the B-phase overhead cable and the C-phase overhead cable, and 4 second access wire clamps are respectively used for clamping on another anti-falling power supply device on the same zero line overhead cable, the a-phase overhead cable, the B-phase overhead cable and the C-phase overhead cable in a one-to-one correspondence manner.
In order to allow the first access clamp and the second access clamp to be clamped at remote locations on the same overhead cable, in one embodiment the low voltage quick access communication device further comprises an extension cable 400; the first end of extension cable 400 with the second end of first connection cable is connected, the second end of extension cable 400 with the second end of second connection cable passes respectively quick-access electric cabinet 300's relative both sides and electricity are connected, or, the first end of extension cable 400 with the second end of second connection cable is connected, the second end of first connection cable with the second end of extension cable 400 passes respectively quick-access electric cabinet 300's relative both sides and electricity are connected. That is, in one embodiment, the low voltage quick access communicator further includes an extension cable 400; the first end of the extension cable 400 is connected to the second end of the first connection cable, and the second end of the extension cable 400 and the second end of the second connection cable respectively penetrate through two opposite sides of the quick-access electric cabinet 300 and are electrically connected to each other. In another embodiment, the low voltage quick access communicator further includes an extension cable 400; the first end of the extension cable 400 is connected to the second end of the second connection cable, and the second end of the first connection cable and the second end of the extension cable 400 respectively penetrate through two opposite sides of the quick-access electric cabinet 300 and are electrically connected to each other. In this way, by providing the extension cable 400, the distance of the connection between the first connection cable and the second connection cable is extended, so that the distance between the first access clip and the second access clip can be increased, and the first access clip and the second access clip can be clamped at positions on the same overhead cable that are far apart, for example, on the overhead cables located on both sides of the road 500.
In order to protect the extension cable 400 where it may be crushed by a car, in one embodiment, the surface of the connection cable 200 is covered with a cable protective sheath. In one embodiment, the cable protective sleeve is made of nylon or polyethylene. By providing a cable protective sheath, the extension cable 400 can be effectively protected from the vehicle.
In order to save material for the cable sheath, in one embodiment, the cable sheath is slidably wrapped around the surface of the extension cable 400. Like this, need not all the cladding in the surface of all extension cables 400 have the cable protective sheath, only need set up the cable protective sheath of certain length to thereby slide the cable protective sheath and lie in the position that road etc. can probably cause extension cable 400 to be rolled through the vehicle on the extension cable, can protect extension cable 400, thereby can save the material of cable protective sheath.
The utility model provides a low pressure quick access liaison device, the operation mode during the use has proposed the notion of the quick switching of circuit, except utilizing the original business turn over of looped netowrk cabinet, the cable of being qualified for the next round of competitions passes through cable switching device, also can insert in the power supply unit that prevents down of present circuit, shifts the load to a interim bypass, replaces the equipment operation of waiting to overhaul or changing with this interim circuit. By being remote, the field deployment of the by-pass cable work can extend to an area of 50-100 meters, depending on the operating principle, once the device is placed in the vicinity of the equipment to be overhauled or replaced. The low-voltage quick access contact device can be used for emergency supply, old-time relief of the line, temporary power supply of a construction site, technical transformation of equipment lines, emergency repair of the equipment lines and the like, and the power failure time caused by fault repair and planned maintenance of a distribution network system can be greatly reduced in a distribution network.
The low pressure quick access contact device of this application does not receive difficult restrictions such as join in marriage electrical room access condition, position, distance, prevents down power supply unit and the low pressure quick access contact device of this application through in the current circuit, and the reconnection removes power equipment can constitute miniature power supply network.
In one embodiment, the present application further provides a power supply network, which includes the anti-backup power supply device, the mobile power device, and the low-voltage quick-access contact device described in any one of the above embodiments; the anti-falling power supply device access wire clamp is clamped on the anti-falling power supply device and is electrically connected with the exposed part of the overhead cable at the anti-falling power supply device, and the mobile power equipment is electrically connected with the quick access power cabinet.
In one embodiment, the mobile power device is an emergency generator car. In one embodiment, the mobile power device is a diesel-electric generator car.
The utility model provides a power supply network, prevent down power supply unit access fastener through setting up, connecting cable and quick access electric cabinet, when distribution network line carries out the operation such as trouble-shooting or scheduled maintenance, will prevent down the first end centre gripping that power supply unit access fastener in preventing down power supply unit, in order to be located the naked part electricity that prevents down power supply unit department in the distribution network line that carries out trouble-shooting or scheduled maintenance in with overhead cable and be connected, the second end that will prevent down power supply unit access fastener is connected with quick access electric cabinet through connecting cable, so that prevent down power supply unit access fastener and be connected with quick access electric cabinet, thereby shift overhead cable's load to in this temporary bypass of quick access electric cabinet, replace the equipment operation of waiting to overhaul or changing with this interim circuit, can supply power for mobile power equipment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A low voltage quick access communication device, comprising: the anti-falling power supply device access wire clamp is used for clamping an anti-falling power supply device on an overhead cable, and a connector is arranged on the anti-falling power supply device access wire clamp;
the first end of connecting cable with the connector is connected, the second end of connecting cable with quick access electricity cabinet is connected.
2. The low voltage quick access communication device according to claim 1, wherein the second end of the connection cable is fixedly connected to the quick access electrical cabinet.
3. The low voltage quick access communication device of claim 1, wherein the second end of the connection cable is plugged into the quick access electrical cabinet.
4. The low voltage quick access interconnection device according to claim 1, wherein a switch control circuit breaker is disposed on the quick access electric cabinet, and the switch control circuit breaker is electrically connected to the connection cable.
5. The low voltage quick access contact device of claim 1, wherein an indicator light is provided on the quick access power cabinet, the indicator light being electrically connected to the connection cable.
6. The low voltage fast access contact device according to claim 1, wherein the falling prevention power supply device access clamp comprises a first access clamp and a second access clamp, the connection cable comprises a first connection cable and a second connection cable, the first access clamp is used for clamping one of the falling prevention power supply devices on the overhead cable, the second access clamp is used for clamping the other falling prevention power supply device on the same overhead cable, a connector of the first access clamp is connected with a first end of the first connection cable, a connector of the second access clamp is connected with a first end of the second connection cable, and a second end of the first connection cable and a second end of the second connection cable respectively penetrate through two opposite sides of the fast access electrical cabinet and are electrically connected.
7. The low voltage quick access communication device of claim 6, wherein said first access clamp, said second access clamp, the number of the first connecting cables and the number of the second connecting cables are 4, each first access wire clamp is used for being clamped on one of the anti-falling power supply devices on one overhead cable in a one-to-one corresponding mode, each second access wire clamp is used for being clamped on the other anti-falling power supply device on the same overhead cable in a one-to-one corresponding mode, a connector of each first access wire clamp is connected with a first end of one first connecting cable in a one-to-one corresponding mode, a connector of each second access wire clamp is connected with a first end of one second connecting cable in a one-to-one corresponding mode, and a second end of each first connecting cable and a second end of each second connecting cable penetrate through two opposite sides of the quick access electric cabinet and are electrically connected in a one-to-one corresponding mode.
8. The low voltage quick access communicator of claim 6, further comprising an extension cable; the first end of extension cable with the second end of first connection cable is connected, the second end of extension cable with the second end of second connection cable passes respectively quick access electricity cabinet's relative both sides and electricity are connected, or, the first end of extension cable with the second end of second connection cable is connected, the second end of first connection cable with the second end of extension cable passes respectively quick access electricity cabinet's relative both sides and electricity are connected.
9. The low voltage quick access communication device as claimed in claim 8, wherein the surface of said connection cable is covered with a cable protective sheath.
10. An electrical power supply network comprising a back-up prevention means, a mobile electrical device and a low voltage quick access interconnection means as claimed in any one of claims 1 to 9;
the anti-falling power supply device access wire clamp is clamped on the anti-falling power supply device and is electrically connected with the exposed part of the overhead cable at the anti-falling power supply device, and the mobile power equipment is electrically connected with the quick access power cabinet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181110.1A CN110829428A (en) | 2019-11-27 | 2019-11-27 | Low-voltage quick access communication device and power supply network |
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| CN201911181110.1A CN110829428A (en) | 2019-11-27 | 2019-11-27 | Low-voltage quick access communication device and power supply network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701505A (en) * | 2020-12-17 | 2021-04-23 | 广东电网有限责任公司 | Anti-falling power supply device |
| CN112736789A (en) * | 2020-12-23 | 2021-04-30 | 广东电网有限责任公司茂名供电局 | Bypass drainage device for low-voltage line of distribution network |
-
2019
- 2019-11-27 CN CN201911181110.1A patent/CN110829428A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701505A (en) * | 2020-12-17 | 2021-04-23 | 广东电网有限责任公司 | Anti-falling power supply device |
| CN112736789A (en) * | 2020-12-23 | 2021-04-30 | 广东电网有限责任公司茂名供电局 | Bypass drainage device for low-voltage line of distribution network |
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