CN111490371A - Parallel access device for distribution network low-voltage energy storage system - Google Patents
Parallel access device for distribution network low-voltage energy storage system Download PDFInfo
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- CN111490371A CN111490371A CN202010479315.4A CN202010479315A CN111490371A CN 111490371 A CN111490371 A CN 111490371A CN 202010479315 A CN202010479315 A CN 202010479315A CN 111490371 A CN111490371 A CN 111490371A
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- energy storage
- storage system
- distribution network
- voltage energy
- insulating rod
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- 238000009826 distribution Methods 0.000 title claims abstract description 59
- 238000004146 energy storage Methods 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 238000001125 extrusion Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 241000272165 Charadriidae Species 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
- H01R11/15—Hook in the form of a screw clamp
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a parallel connection device of a distribution network low-voltage energy storage system, which comprises a wire chuck mechanism, an insulating rod and a support frame, wherein the wire chuck mechanism is arranged on the wire chuck mechanism; the wire clamp head mechanism is arranged at the top of the insulating rod, and the insulating rod is fixed on the supporting frame. When the device is used, the distribution network low-voltage energy storage system is connected with the cable chuck mechanism, then workers clamp the overhead bare conductor through the insulating rod control cable chuck mechanism, and then the insulating rod is fixed on a tower through the support frame, namely the grid-connected access of the distribution network low-voltage energy storage system is completed; when the device is disassembled, workers control the wire clamp mechanism through the insulating rod to loosen the overhead bare conductor and then disassemble the overhead bare conductor. The power failure treatment is not needed when the distribution network low-voltage energy storage system is connected and detached, the distribution network low-voltage energy storage system is safe and reliable, the distribution network low-voltage energy storage system is flexible to disassemble and assemble, the overhead bare conductor cannot be damaged, the operation is simple, and the efficiency is high.
Description
Technical Field
The invention relates to the technical field of power distribution, in particular to a parallel access device for a distribution network low-voltage energy storage system.
Background
Along with economic development and social progress of China, the electricity consumption of industrial and agricultural production and civil use is also rising year by year, the electricity demand is in a diversified trend, and the power supply requirement for the power department is higher and higher. In many rural power grid areas covered by national grid companies, the guarantee of power supply remains a significant problem due to the weakness of the local grid structure. Particularly, the annual power utilization load rate is low, the peak power utilization is periodic or seasonal, and the peak load is prominent in a specific period, so that distribution transformation of a transformer area, line overload, low voltage of a user and incapability of guaranteeing the power supply capacity are frequently caused.
The intelligent distribution network low-voltage energy storage system can be used as a power supply and a load. According to the power consumption requirements and power consumption characteristics of the user in different periods, the charging is carried out in the power consumption valley period, the discharging is carried out according to the real-time requirements of the user load in the daytime, and the power supply capacity is increased locally. The intelligent distribution network low-voltage energy storage system can relieve the problems of seasonal distribution transformer overload, line overload and low voltage of a distribution network, and is connected to a 380V low-voltage main line of a distribution transformer of a distribution area in a parallel mode. At present, before grid-connected access and disassembly are carried out, power failure treatment needs to be carried out, disassembly and assembly are not flexible enough, and efficiency is low. In order to realize flexible and uninterrupted access of the low-voltage energy storage system of the intelligent distribution network, a safe and rapid parallel access device needs to be invented.
Disclosure of Invention
The invention provides a parallel access device for a distribution network low-voltage energy storage system, which is used for realizing the uninterrupted access of the distribution network low-voltage energy storage system and simultaneously ensuring the safety and convenient assembly and disassembly.
A parallel connection device for a distribution network low-voltage energy storage system comprises a wire clamp head mechanism, an insulating rod and a support frame;
the wire clamp head mechanism is arranged at the top of the insulating rod, and the insulating rod is fixed on the supporting frame.
When the device is used, the distribution network low-voltage energy storage system is connected with the cable chuck mechanism, then workers clamp the overhead bare conductor through the insulating rod control cable chuck mechanism, and then the insulating rod is fixed on a tower through the support frame, namely the grid-connected access of the distribution network low-voltage energy storage system is completed; when the device is disassembled, workers control the wire clamp mechanism through the insulating rod to loosen the overhead bare conductor and then disassemble the overhead bare conductor. The power failure treatment is not needed when the distribution network low-voltage energy storage system is connected and detached, the distribution network low-voltage energy storage system is safe and reliable, the distribution network low-voltage energy storage system is flexible to disassemble and assemble, the overhead bare conductor cannot be damaged, and the distribution network low-voltage energy storage system is high in efficiency.
The wire clamping head mechanism comprises an L-shaped support, a sliding block, a screw rod and a clamping head, wherein an internal threaded hole matched with the external thread of the screw rod is formed in the support, the screw rod penetrates through the support through the internal threaded hole, one end of the screw rod abuts against the bottom of the sliding block, the other end of the screw rod is fixedly connected with the insulating rod, a sliding groove is formed in the inner side wall of the support, the sliding block is installed in the sliding groove, the clamping head is arranged on the upper portion of the inner side wall of the support, and a connecting stud is further arranged on the support.
During operation, the distribution network low-voltage energy storage system is connected with the connecting stud through a wire, and then the screw rod is driven to rotate and generate displacement through the rotary insulating rod, so that the sliding block is driven to move up and down. When grid-connected access operation is carried out, the sliding block is moved upwards by rotating the insulating rod, and then the overhead bare conductor is fixed between the chuck and the sliding block; when dismantling the operation, make the slider move down through rotatory insulator spindle, and then loosen built on stilts bare conductor, dismouting process easy operation can not lead to the fact destruction to original built on stilts bare conductor.
Furthermore, the chuck is of a downward bent arc structure, and the top of the sliding block is of a concave arc structure. The arrangement of the structure can form an approximately circular space between the chuck and the sliding block, and the chuck and the sliding block can be better fixedly connected with the overhead bare conductor, so that the connection is more stable and the chuck and the sliding block are not easy to fall off.
Further, the insulator spindle is the telescopic link, through the structure with the insulator spindle design for the telescopic link, can carry out the regulation of length according to operating condition, the height of the bare conductor of better adaptation aerial.
Furthermore, the front end of the support frame is provided with a mounting hole, the lower end of the insulating rod is inserted into the mounting hole, and one side of the mounting hole is provided with an extrusion screw for fixing the insulating rod. When the insulating rod needs to be rotated, the extrusion screw is loosened to enable the insulating rod to rotate freely, and when the insulating rod needs to be fixed, the extrusion screw is screwed to fix the insulating rod on the support frame through extrusion of the extrusion screw.
Further, the wire clamping mechanism is made of a metal conductor material.
Further, still include the access lead wire, the access lead wire with fastener head mechanism connects, through setting up the access wire, when using, only need join in marriage net low pressure energy storage system direct with the access wire be connected can, make the during operation simpler.
Furthermore, the access lead comprises a wire and a plug socket, one end of the wire is connected with the wire chuck mechanism, and the other end of the wire is connected with the plug socket.
Furthermore, the socket is a female socket and is used for being connected with a male socket of a distribution network low-voltage energy storage system.
Advantageous effects
The invention provides a parallel access device for a distribution network low-voltage energy storage system, when the device is used, the distribution network low-voltage energy storage system is connected with a cable chuck mechanism, then a worker clamps an overhead bare conductor through an insulating rod control cable chuck mechanism, and then the insulating rod is fixed on a tower through a support frame, namely the grid-connected access of the distribution network low-voltage energy storage system is completed; when the device is disassembled, workers control the wire clamp mechanism through the insulating rod to loosen the overhead bare conductor and then disassemble the overhead bare conductor. The power failure treatment is not needed when the distribution network low-voltage energy storage system is connected and detached, the distribution network low-voltage energy storage system is safe and reliable, the distribution network low-voltage energy storage system is flexible to disassemble and assemble, the overhead bare conductor cannot be damaged, the operation is simple, and the efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a parallel access device of a distribution network low-voltage energy storage system according to an embodiment of the present invention;
fig. 2 is a state diagram of a distribution network low-voltage energy storage system provided by the embodiment of the invention, which is connected to a distribution transformer 380V side through a parallel access device.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "center", "longitudinal", "lateral", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the embodiment provides a parallel access device for a distribution network low-voltage energy storage system, which includes a cable chuck mechanism 1, an insulating rod 6, and a support frame 7;
the wire chuck mechanism 1 is arranged at the top of the insulating rod 6, and the insulating rod 6 is fixed on the support frame 7.
When the device is used, the distribution network low-voltage energy storage system is connected with the cable clamp mechanism 1, the cable clamp mechanism 1 is made of a metal conductor material, then a worker controls the cable clamp mechanism 1 to clamp an overhead bare conductor through the insulating rod 6, and then the insulating rod 6 is fixed on a tower through the support frame 7, namely the grid-connected access of the distribution network low-voltage energy storage system is completed; when the device is disassembled, workers control the wire chuck mechanism 1 to loosen the overhead bare conductor through the insulating rod 6 and then disassemble the overhead bare conductor. The power failure treatment is not needed when the distribution network low-voltage energy storage system is connected and detached, the distribution network low-voltage energy storage system is safe and reliable, the distribution network low-voltage energy storage system is flexible to disassemble and assemble, the overhead bare conductor cannot be damaged, and the distribution network low-voltage energy storage system is high in efficiency.
Specifically, as shown in fig. 1, the wire chuck mechanism 1 comprises an L-shaped support 2, a sliding block 4, a screw rod 3 and a chuck 11, wherein an internal threaded hole matched with an external thread of the screw rod 3 is formed in the support 2, the screw rod 3 penetrates through the support 2 through the internal threaded hole, one end of the screw rod 3 abuts against the bottom of the sliding block 4, the other end of the screw rod 3 is fixedly connected with the top of an insulating rod 6, a sliding groove is formed in the inner side wall of the support 2, the sliding block 4 is installed in the sliding groove, the chuck 11 is arranged on the upper portion of the inner side wall of the support 2, and a connecting stud 5 is further arranged on the support.
During operation, the distribution network low-voltage energy storage system is connected with the connecting stud 5 through a wire, and then the screw rod 3 is driven to rotate and generate displacement through the rotary insulating rod 6, so that the sliding block 4 is driven to move up and down. When grid-connected access operation is carried out, the sliding block 4 moves upwards by rotating the insulating rod 6, and then the overhead bare conductor is fixed between the chuck 11 and the sliding block 4; when dismantling the operation, make slider 4 move down through rotatory insulator spindle 6, and then loosen built on stilts bare conductor, dismouting process easy operation can not lead to the fact destruction to original built on stilts bare conductor.
Preferably, the collet 11 is of a downwardly curved arc structure, and the top of the sliding block 4 is of a concave arc structure. The arrangement of the structure can form an approximately circular space between the chuck 11 and the sliding block 4, and the chuck can be better fixedly connected with an overhead bare conductor, so that the connection is more stable and the chuck is not easy to fall off.
In implementation, the insulating rod 6 is preferably a telescopic rod, the upper end of each section of the middle part of the insulating rod is provided with a lock hole, the lower end of each section of the middle part of the insulating rod is provided with a lock pin, the upper end of the section at the lowest end of the insulating rod is provided with a lock hole, and the lower end of the section at the highest end of the insulating rod is provided with a lock pin. Through the structure of designing insulating rod 6 as the telescopic link, can carry out the regulation of length according to operating condition, the height of the bare conductor of better adaptation air.
In this embodiment, the front end of the support frame 7 is provided with a mounting hole, the lower end of the insulating rod 6 is inserted into the mounting hole, and one side of the mounting hole is provided with an extrusion screw 8 for fixing the insulating rod 6. Specifically, a threaded fixing hole is formed in one side of the mounting hole, and the extrusion screw 8 is mounted in the threaded fixing hole. When the insulating rod 6 needs to be rotated, the extrusion screw 8 is loosened to enable the insulating rod 6 to rotate freely, and when the insulating rod 6 needs to be fixed, the extrusion screw 8 is screwed to fix the insulating rod 6 on the support frame 7 through extrusion of the extrusion screw 8.
As a preferred embodiment, the wire clamp further comprises an access lead 9, and the access lead 9 is connected with the wire clamp head mechanism 1. Specifically, the access lead 9 includes a wire and a socket 10, one end of the wire is connected to the connecting stud 5 on the wire chuck mechanism 1, the other end of the wire is connected to the socket 10, and the socket 10 is a female socket and is used for being connected to a male socket of a distribution network low-voltage energy storage system. Through setting up access wire 9, when using, only need join in marriage net low pressure energy storage system directly with access wire 9 interface 10 be connected can, make the during operation simpler.
Referring to fig. 2, the distribution network low-voltage energy storage system is accessed to the state diagram of the 380V side of the distribution transformer through the parallel access device provided by the above embodiment, so as to realize flexible access without power outage.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A parallel access device of a distribution network low-voltage energy storage system is characterized by comprising a wire clamp head mechanism, an insulating rod and a support frame;
the wire clamp head mechanism is arranged at the top of the insulating rod, and the insulating rod is fixed on the supporting frame.
2. The parallel access device for the distribution network low-voltage energy storage system according to claim 1, wherein the wire chuck mechanism comprises an L-shaped support, a sliding block, a screw rod and a chuck, an internal threaded hole matched with the external thread of the screw rod is formed in the support, the screw rod penetrates through the support through the internal threaded hole, one end of the screw rod abuts against the bottom of the sliding block, the other end of the screw rod is fixedly connected with the insulating rod, a sliding groove is formed in the inner side wall of the support, the sliding block is installed in the sliding groove, the chuck is arranged on the upper portion of the inner side wall of the support, and a connecting stud is further arranged on the support.
3. The parallel access device for the low-voltage energy storage system of the distribution network according to claim 2, wherein the clamping head is of a downward-bent arc-shaped structure, and the top of the sliding block is of a concave arc-shaped structure.
4. The parallel access device for the low-voltage energy storage system of the distribution network according to claim 2, wherein the insulating rod is a telescopic rod.
5. The parallel access device of the distribution network low-voltage energy storage system as claimed in claim 2, wherein a mounting hole is formed in the front end of the support frame, the lower end of the insulating rod is inserted into the mounting hole, and an extrusion screw for fixing the insulating rod is arranged on one side of the mounting hole.
6. The parallel access device of the distribution network low voltage energy storage system of claim 2, wherein the wire clamp mechanism is made of a metallic conductor material.
7. The parallel access device for the low-voltage energy storage system of the distribution network according to any one of claims 1 to 6, further comprising an access lead, wherein the access lead is connected with the wire clamp head mechanism.
8. The parallel access device of the distribution network low-voltage energy storage system as claimed in claim 7, wherein the access lead comprises a wire and a socket, one end of the wire is connected with the wire clamp head mechanism, and the other end of the wire is connected with the socket.
9. The parallel access device for the low-voltage energy storage system of the distribution network according to claim 8, wherein the socket is a female socket for connecting with a male socket of the low-voltage energy storage system of the distribution network.
Priority Applications (1)
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CN202010479315.4A CN111490371A (en) | 2020-05-29 | 2020-05-29 | Parallel access device for distribution network low-voltage energy storage system |
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CN202010479315.4A CN111490371A (en) | 2020-05-29 | 2020-05-29 | Parallel access device for distribution network low-voltage energy storage system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114171947A (en) * | 2021-11-26 | 2022-03-11 | 贵州电网有限责任公司 | Wiring pole with telescopic supporting rod |
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2020
- 2020-05-29 CN CN202010479315.4A patent/CN111490371A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114171947A (en) * | 2021-11-26 | 2022-03-11 | 贵州电网有限责任公司 | Wiring pole with telescopic supporting rod |
CN114171947B (en) * | 2021-11-26 | 2023-12-01 | 贵州电网有限责任公司 | Junction pole with telescopic supporting rod |
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