CN218415039U - Special temporary grounding device for medium-voltage cable pile head - Google Patents
Special temporary grounding device for medium-voltage cable pile head Download PDFInfo
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- CN218415039U CN218415039U CN202222468737.9U CN202222468737U CN218415039U CN 218415039 U CN218415039 U CN 218415039U CN 202222468737 U CN202222468737 U CN 202222468737U CN 218415039 U CN218415039 U CN 218415039U
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model discloses a special interim earthing device of middling pressure cable pile head, including cable pile head linkage unit, the ground wire connector, insulating bar, three-phase earth conductor, ground connection and data transmission device, the remote processing terminal, through installing special interim earthing device of middling pressure cable pile head in the looped netowrk cabinet, branch box etc. need the place of overhauing, at first change original looped netowrk cabinet, branch box work lacks the current situation of effective protection, realize among all works arrange three-phase earth conductor protection in, pass to the remote processing terminal on the signal of three-phase earth conductor earthing terminal through predetermined ground connection and data transmission device wireless simultaneously, realize the warning function of operation shutting and position, make the scheduling work department of electric wire netting company can see the ground information of this department through the remote processing terminal, realize the monitorable target.
Description
Technical Field
The utility model relates to a medium voltage cable pile head ground connection field specifically is a special interim earthing device of medium voltage cable pile head.
Background
Medium voltage cable distribution networks have become widely available and are usually connected to cable network segments via ring main units and branch boxes. The branch box is a simple cable electrical connection unit, the ring main unit is a spaced ring main power supply unit formed by assembling high-voltage switch equipment, a load switch and a fuse are generally adopted as core parts of the ring main unit, the ring main unit is simple in structure, small in size, safe and reliable, is widely applied to 20kV and 10kV power distribution networks, and plays an important role in load disconnection, network separation and the like. The cable all is connected with electric wiring pile head in the cabinet through the elbow head when being connected with feeder pillar, looped netowrk cabinet.
The feeder pillar, the looped netowrk cabinet is compact combined electrical apparatus, electrical insulation, the safety protection level is high, nevertheless when the looped netowrk cabinet installation, the troubleshooting, during work such as change, often there is unable through ground connection switch ground connection, also can't install ordinary earthing for a while line and bring earthing protection's the condition into the staff, take place to walk wrong interval, maloperation, mistake debugging incident because of earthing safety measure does not put in place in the system many times, the urgent need develops a novel ground connection and equips, realize cable distribution network earthing for a while reliably and safely.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a special interim earthing device of middling pressure cable pile head to solve above-mentioned problem.
In order to achieve the above purpose, the utility model is realized by the following technical scheme.
The temporary grounding device special for the medium-voltage cable pile head is simple in structure, small in size and low in cost, can efficiently realize information acquisition, improves the safety of operation and maintenance of the medium-voltage cable network, saves the operation cost of the power grid, is convenient to implement and apply, and solves the problem that the safety of the medium-voltage cable pile head in construction, maintenance, operation and maintenance threatens the personal safety of the medium-voltage cable network, and eliminates the personal safety hazard of the electric network in the process of construction, maintenance and maintenance of the medium-voltage cable network.
Preferably, the grounding and data transmission device is provided with a grounding end, and the three-phase grounding lead is connected with the grounding and data transmission device and is connected with the ground through a grounding device.
Preferably, the grounding and data transmission device comprises an antenna, an RS485 serial port unit, a processor, a wireless transmission unit, a power supply and an SIM card circuit, wherein the power supply is respectively connected with the antenna, the RS485 serial port unit, the processor, the wireless transmission unit and the SIM card circuit, and continuously outputs and supplies power, and simultaneously, a signal at the grounding end of the three-phase grounding wire is wirelessly uploaded to a remote processing terminal through a preset grounding and data transmission device, so that the functions of locking operation and warning position are realized, a dispatching work department of a power grid company can check grounding information at the position through the remote processing terminal, and a monitorable target is realized.
Preferably, the wireless transmission unit is further interconnected with both the antenna and the processor, respectively.
Preferably, the SIM card circuit is connected to a wireless transmission unit.
Preferably, the RS485 serial port unit is connected with the processor.
Preferably, the antenna is wirelessly connected with the remote processing terminal.
Preferably, the cable pile head connecting unit can be configured with different specifications according to different ring main unit manufacturers and different T-shaped heads and elbow heads, and forms a series, and the cable pile head connecting unit can be determined according to actual requirements in the actual operation process.
Preferably, the cable pile head connecting unit is provided with a fastening bolt, a fastening nut is connected to a fastening thread, an internal thread is arranged at the joint of the insulating operating rod and the cable pile head connecting unit, the fastening bolt is in threaded connection with the internal thread at the joint of the insulating operating rod, and a grounding wire connector is sleeved between the fastening nut and the connecting end of the cable pile head connecting unit.
Preferably, the power supply comprises either a mobile power supply or a regulated power supply.
Preferably, when the power supply is a stabilized voltage supply, one end of the stabilized voltage supply is further connected with a power taking unit.
Compared with the prior art, the utility model discloses a special temporary grounding device for a medium-voltage cable pile head, which comprises a cable pile head connecting unit, a grounding wire connector, an insulating operating rod, a three-phase grounding wire, a grounding and data transmission device and a remote processing terminal,
(1) the temporary grounding device special for the medium-voltage cable pile head is arranged in places needing to be overhauled, such as a ring main unit, a branch box and the like, so that the current situation that the original work of the ring main unit and the branch box lacks effective protection is changed, and all the work is protected by a three-phase grounding wire;
(2) meanwhile, a signal at the grounding end of the three-phase grounding conductor is wirelessly uploaded to a remote processing terminal through a preset grounding and data transmission device, so that the functions of locking operation and warning of the position are realized, a dispatching work department of a power grid company can check grounding information at the position through the remote processing terminal, and a monitorable target is realized;
(3) this special interim earthing device of middling pressure cable pile head's simple structure, small, with low costs, and can realize information acquisition high-efficiently, improve the security that middling pressure cable network operation was overhauld, save electric wire netting running cost, need not complicated operation, be convenient for implement and use, solved the potential safety hazard of middling pressure cable electric network in construction, maintenance, operation, eliminate the construction and overhaul process and threaten the safety of electric wire netting and person.
Drawings
Fig. 1 is a schematic structural view of the temporary grounding device dedicated for medium-voltage cable pile head of the present invention;
fig. 2 is a schematic structural view of the grounding and data transmission device of the present invention;
fig. 3 is a schematic structural diagram of the grounding and data transmission device of the present invention;
fig. 4 is a schematic structural diagram of the grounding and data transmission device of the present invention;
fig. 5 is a schematic diagram of the wireless connection between the grounding and data transmission device and the remote processing terminal of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
The utility model provides a special interim earthing device of middling pressure cable pile head, includes cable pile head linkage unit 1, earth connection ware 2, insulating bar 3, three-phase earth conductor 4, ground connection and data transmission device 5, remote processing terminal 6, cable pile head linkage unit 1 is connected with insulating bar 3, 2 covers of earth connection ware are established and are fixed on cable pile head linkage unit 1, three-phase earth conductor 4 connects earth connection ware 2 and ground connection and data transmission device 5 respectively, ground connection and data transmission device 5 and 6 wireless connection in remote processing terminal. Cable pile head linkage unit 1 is in the actual work in-process, and the cable all is connected with electric wiring pile head in the cabinet through the elbow head when being connected with feeder pillar, looped netowrk cabinet, when the during operation such as needs installation, troubleshooting, change appear, can select to change different, and the cable pile head linkage unit 1 of looks adaptation according to the demand of actual junction to realize ground protection. The three-phase grounding conductor 4 is connected with a grounding and data transmission device 5, and is connected with the ground through a grounding device arranged outside the data transmission device part of the grounding and data transmission device 5.
The grounding and data transmission device 5 comprises an antenna, an RS485 serial port unit, a processor, a wireless transmission unit, a power supply and an SIM card circuit, wherein the power supply is respectively connected with the antenna, the RS485 serial port unit, the processor, the wireless transmission unit and the SIM card circuit and continuously outputs power supply.
The wireless transmission unit is also interconnected with both the antenna and the processor, respectively. The SIM card circuit is connected with the wireless transmission unit. And the RS485 serial port unit is connected with the processor. The antenna is wirelessly connected with the remote processing terminal 6, the cable pile head connecting unit 1 can be configured with different specifications according to different ring main unit manufacturers and different T-shaped heads and elbow heads, forms a series, and can be determined according to actual requirements in the actual operation process.
Be equipped with fastening bolt 32 on the cable pile head linkage unit 1, and connect fastening nut 31 on the fastening screw, insulating bar 3 is equipped with the internal thread with cable pile head linkage unit 1's junction, the internal thread threaded connection of fastening bolt 32 and insulating bar 3 junction, ground connection ware 2 is established to the cover between fastening nut 31 and the link of cable pile head linkage unit 1.
The power supply comprises either a mobile power supply or a regulated power supply. When the power supply is a stabilized voltage power supply, one end of the stabilized voltage power supply is also connected with a power taking unit. No matter adopt portable power source or constant voltage power supply, all can realize ground connection and data transmission device 5's power supply demand, portable power source benefit lies in convenient to carry, but needs regularly charge, and constant voltage power supply advantage lies in not needing regularly to charge, but need get the electricity through getting the outside of electrical cell at the during operation, and two kinds of power can be according to actual work environment selection.
The working mode is as follows:
when a branch box and a ring main unit are installed, troubleshoot, replaced and the like, a worker takes out a cable pile head connecting unit 1 corresponding to the joint of a box body or a cabinet body, firstly sleeves a grounding wire connector 2 connected with a three-phase grounding wire 4 in advance on the cable pile head connecting unit 1, then a fastening nut 31 is in threaded connection with a fastening bolt 32 of the cable pile head connecting unit 1, the grounding wire connector 2 is located between the fastening nut 31 and the connecting end of the cable connecting unit, the other end of the three-phase grounding wire 4 is connected with a grounding and data transmission device 5, and a power supply module is connected with the grounding and data transmission device 5 to prepare for work.
After the preparation is completed, the grounding and data transmission device 5 is firstly grounded, the remote processing terminal 6 sends out a signal indicating whether the grounding operation is allowed or not, after the wireless transmission unit connected with the SIM card circuit receives the allowed signal of the processor, the inside of the processor sends out an allowed position indication command, at this time, the grounding device on the grounding and data transmission device 5 is firstly operated to firstly ground the three-phase grounding wire, then the cable pile head connecting unit 1 is connected with the connecting end in the box body or the cabinet body, the signal grounded on the grounding and data transmission device 5 is transmitted to the processor through the RS485 serial port unit, the processor uploads the signal, after the wireless transmission unit connected with the SIM card circuit receives the signal of the processor, the signal is sent to the remote processing terminal 6 through the antenna, the wireless communication network intercommunication exists between the two, and the power transmission operation related to the grounding is locked. On the contrary, when the remote site does not allow the operation, the remote processing terminal 6 sends out the signal that the grounding operation is not allowed, and after the wireless transmission unit connected with the SIM card circuit receives the prohibition signal of the processor, the inside of the processor sends out the prohibition position indication command, and at this moment, the grounding and data transmission device 5 alarms and can not operate the grounding device.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
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 (11)
1. The utility model provides a special interim earthing device of middling pressure cable pile head which characterized in that: including cable pile head coupling unit (1), earth connection ware (2), insulating bar (3), three-phase earth conductor (4), ground connection and data transmission device (5), remote processing terminal (6), cable pile head coupling unit (1) is connected with insulating bar (3), earth connection ware (2) cover is established and is fixed on cable pile head coupling unit (1), three-phase earth conductor (4) are connected earth connection ware (2) and ground connection and data transmission device (5) respectively, ground connection and data transmission device (5) and remote processing terminal (6) wireless connection.
2. The special temporary grounding device for medium voltage cable pile heads of claim 1, wherein: and the grounding end is arranged on the grounding and data transmission device (5), and the three-phase grounding lead is connected with the grounding and data transmission device (5).
3. The special temporary grounding device for medium voltage cable pile heads of claim 1, wherein: the grounding and data transmission device (5) comprises an antenna, an RS485 serial port unit, a processor, a wireless transmission unit, a power supply and an SIM card circuit, wherein the power supply is respectively connected with the antenna, the RS485 serial port unit, the processor, the wireless transmission unit and the SIM card circuit and continuously outputs power supply.
4. The special temporary grounding device for medium voltage cable pile heads of claim 3, wherein: the wireless transmission unit is also interconnected with both the antenna and the processor, respectively.
5. The special temporary grounding device for medium voltage cable piles of claim 3, characterized in that: the SIM card circuit is connected with the wireless transmission unit.
6. The special temporary grounding device for medium voltage cable pile heads of claim 3, wherein: and the RS485 serial port unit is connected with the processor.
7. The special temporary grounding device for medium voltage cable piles of claim 3, characterized in that: the antenna is wirelessly connected with a remote processing terminal (6).
8. The special temporary grounding device for medium voltage cable pile heads of claim 1, wherein: the cable pile head connecting unit (1) can be configured into different specifications according to different ring main unit manufacturers and different T-shaped heads and elbow heads, and forms a series.
9. The special temporary grounding device for medium voltage cable piles of claim 1, characterized in that: be equipped with fastening bolt (32) on cable pile head linkage unit (1), and connect fastening nut (31) on the fastening screw thread, insulating bar (3) are equipped with the internal thread with the junction of cable pile head linkage unit (1), the internal thread threaded connection of fastening bolt (32) and insulating bar (3) junction, ground connection ware (2) are established to the cover between the link of fastening nut (31) and cable pile head linkage unit (1).
10. The special temporary grounding device for medium voltage cable pile heads of claim 3, wherein: the power supply comprises either a mobile power supply or a regulated power supply.
11. The special temporary grounding device for medium voltage cable piles of claim 10, wherein: when the power supply is a stabilized voltage supply, one end of the stabilized voltage supply is also connected with a power taking unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222468737.9U CN218415039U (en) | 2022-09-19 | 2022-09-19 | Special temporary grounding device for medium-voltage cable pile head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222468737.9U CN218415039U (en) | 2022-09-19 | 2022-09-19 | Special temporary grounding device for medium-voltage cable pile head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218415039U true CN218415039U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222468737.9U Active CN218415039U (en) | 2022-09-19 | 2022-09-19 | Special temporary grounding device for medium-voltage cable pile head |
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| Country | Link |
|---|---|
| CN (1) | CN218415039U (en) |
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- 2022-09-19 CN CN202222468737.9U patent/CN218415039U/en active Active
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