CN112366600A - Device for preventing reverse power supply of high-voltage line - Google Patents

Device for preventing reverse power supply of high-voltage line Download PDF

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Publication number
CN112366600A
CN112366600A CN202011346017.4A CN202011346017A CN112366600A CN 112366600 A CN112366600 A CN 112366600A CN 202011346017 A CN202011346017 A CN 202011346017A CN 112366600 A CN112366600 A CN 112366600A
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Prior art keywords
power supply
fixed base
power
fixed
voltage line
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Pending
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CN202011346017.4A
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Chinese (zh)
Inventor
宣茜凡
欧朱建
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Nantong Tongming Group Co ltd
Nantong Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Nantong Tongming Group Co ltd
Nantong Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Priority to CN202011346017.4A priority Critical patent/CN112366600A/en
Publication of CN112366600A publication Critical patent/CN112366600A/en
Pending legal-status Critical Current

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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
    • 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
    • H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • 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
    • H01R11/03—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 characterised by the relationship between the connecting locations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/701—Structural association with built-in electrical component with built-in switch the switch being actuated by an accessory, e.g. cover, locking member

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  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

本发明公开了一种用于高压线路防倒供电的装置，包括电力杆塔、固定底座、供电端、用电端、连接端和接地端。所述固定底座安装在电力杆塔的顶端，所述供电端固定在固定底座的一侧，所述用电端固定在固定底座的另一侧。所述连接端安装在供电端和用电端之间的固定底座上，所述接地端安装在供电端下端的电力杆塔上。该装置固定在电力杆塔上，通过切断供电端和用电端之间连接，控制高压线路的连接，并且供电端处安装了接地端，用于检修高压线路时，便于工作人员进行接地。

Figure 202011346017

The invention discloses a device for preventing power supply of high-voltage lines, comprising a power pole tower, a fixed base, a power supply end, a power consumption end, a connecting end and a grounding end. The fixed base is installed on the top of the power tower, the power supply end is fixed on one side of the fixed base, and the power consumption end is fixed on the other side of the fixed base. The connection end is installed on the fixed base between the power supply end and the power consumption end, and the ground end is installed on the power tower at the lower end of the power supply end. The device is fixed on the power pole and tower, and controls the connection of the high-voltage line by cutting off the connection between the power supply end and the power-consuming end, and a grounding terminal is installed at the power supply end, which is convenient for the staff to ground when the high-voltage line is repaired.

Figure 202011346017

Description

Device for preventing reverse power supply of high-voltage line
Technical Field
The invention belongs to the technical field of electric power, and relates to a device for preventing reverse power supply of a high-voltage line.
Background
At present, the power grid is overhauled by firstly closing a power supply system in an area where an overhaul line is located, then overhauls by working aloft without carrying out anti-reverse power supply treatment, and the mode can not ensure the safety of constructors, because overhead cables are bound to be connected into a house, and partial users (such as schools, markets, factories and the like) are provided with generators so as to ensure normal power supply during power failure without influencing the normal operation of electric appliances, the phenomenon that the power is reversely supplied to an overhead main line from a user self-provided generator during power failure so as to enable the main line to be still electrified exists, if the constructors overhauls after disconnecting the power supply system on the main line without the anti-reverse power supply treatment, extremely large potential safety hazards must exist, even the maintainers do not carry out grounding treatment for high-efficiency operation, and further threaten the life safety, therefore, the process of preventing the reverse power supply of the cable is very important, firstly, the cable with the insulating sheath needs to be stripped off by a section of the insulating sheath of the cable to form a bare wire part, the grounding wire is connected with the bare wire part to prevent the reverse power supply, but the exposed part of the cable is certainly corroded, electric shock and other potential safety hazards happen in the weather of wind and rain, the cable is stripped again when the circuit is overhauled every time, the grounding is carried out, and the operation is very troublesome, so that a device for preventing the reverse power supply of the high-voltage line is urgently needed.
Disclosure of Invention
In order to solve the problems, the device for preventing the reverse power supply of the high-voltage line is fixed on an electric power tower, the connection of the high-voltage line is controlled by cutting off the connection between a power supply end and a power utilization end, and the grounding end is arranged at the power supply end and is used for facilitating the grounding of workers when the high-voltage line is maintained.
The invention provides a device for preventing reverse power supply of a high-voltage line, which comprises an electric power tower, a fixed base, a power supply end, a power utilization end, a connecting end and a grounding end. The fixed base is installed on the top end of the electric power tower, the power supply end is fixed on one side of the fixed base, and the power utilization end is fixed on the other side of the fixed base. The connecting end is arranged on a fixed base between the power supply end and the power utilization end, and the grounding end is arranged on an electric power tower at the lower end of the power supply end.
Furthermore, the power supply end, the power utilization end and one side of the fixed base are provided with downward grooves, and elastic conductors are arranged in the grooves.
Further, the elastic conductor is arc-shaped.
The power supply terminal is further connected with the grounding terminal through a circuit breaker.
Further be the last circular arc structure that is of unable adjustment base, the circular arc inboard has the through-hole, and flexible adjust knob is equipped with to the bottom of through-hole.
Furthermore, the upper end of the connecting end is a conductor, and the lower end of the connecting end is an insulator.
And the two ends of the conductor are respectively arranged at the lower ends of the power supply end groove and the power utilization end groove.
Furthermore, both ends of the electric conductor are cylindrical structures which can be jointed with the elastic conductor.
Furthermore, a fixing rod is installed at the bottom of the insulator, the fixing rod is installed in a through hole of the fixing base, and one end of the fixing rod is installed on the telescopic adjusting knob.
The invention has the beneficial effects that: the power supply end and the power consumption end are disconnected and connected through the connecting end, the grooves formed by connecting the power supply end and the power consumption end with the connecting end are downward, the corrosion of weather on the power supply end and the power consumption end is slowed down, the fixing base is of an arc structure, and the water storage of the device cannot be achieved. The power supply end is connected with the grounding end through the circuit breaker, so that the grounding operation of workers is better facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for preventing reverse power supply of a high-voltage line according to the present invention;
FIG. 2 is a schematic structural diagram of an electric power tower of the device for preventing reverse power supply of a high-voltage line;
FIG. 3 is a schematic diagram of a power supply terminal structure of an apparatus for preventing reverse power supply of a high voltage line according to the present invention;
FIG. 4 is a schematic diagram of a power utilization end structure of a device for preventing reverse power supply of a high-voltage line;
fig. 5 is a schematic view of a connection end structure of an apparatus for preventing reverse power supply of a high voltage line according to the present invention.
In the figure: 1. an electric power tower; 2. a fixed base; 3. a power supply terminal; 4. a connecting end; 5. a ground terminal; 6. an elastic conductor; 7. a cut-off switch; 8. a telescopic adjusting knob; 9. an electrical conductor; 10. an insulator; 11. fixing the rod; 12. and (4) a power utilization end.
Detailed Description
The following describes in detail an embodiment of the apparatus for preventing reverse power supply in a high voltage line according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a device for preventing reverse power supply of a high-voltage line, which comprises an electric power tower 1, a fixed base 2, a power supply end 3, a power utilization end 12, a connection end 4 and a grounding end 5. The fixed base 2 is installed on the top end of the electric power tower 1, the power supply end 3 is fixed on one side of the fixed base 2, and the power utilization end 12 is fixed on the other side of the fixed base 2. The connecting end 4 is arranged on the fixed base 2 between the power supply end 3 and the power utilization end 12, and the grounding end 5 is arranged on the electric power tower 1 at the lower end of the power supply end 3.
As shown in FIGS. 3 and 4, the power supply terminal 3 and the power consumption terminal 12 have a downward groove on one side of the fixing base 2 according to the above structure, and the elastic conductor 6 is installed inside the groove.
According to the structure, the elastic conductor 6 is arc-shaped, the arc-shaped elastic conductor 6 can increase the contact area with the electric conductors 9 at the two ends of the connecting end 4, and the situation that the connecting end 4 is unstable in connection is avoided.
According to the structure, the power supply end 3 is connected with the grounding end 5 through the circuit breaker 7, and the power supply end 3 is more conveniently connected with the grounding end 5 through the circuit breaker 7.
As shown in FIG. 2, the fixing base 2 has an arc structure, the inner side of the arc is provided with a through hole, and the bottom of the through hole is provided with a telescopic adjusting knob 8. This unable base 2 is the circular arc structure, and under weather, this structure can make the unable retaining of device, improves the security of grid transmission, also slows down the device simultaneously and is corroded.
As shown in fig. 5, according to the above structure, the upper end of the connecting end 4 is the conductor 9, and the lower end of the connecting end 4 is the insulator 10. This structure can avoid the staff when adjusting link 4 with the direct contact of electric conductor 9, improves the security of operation.
According to the structure, the two ends of the electric conductor 9 are respectively arranged at the lower ends of the groove of the power supply end 3 and the groove of the power utilization end 12, and the two ends of the electric conductor 9 can be respectively arranged in the groove of the power supply end 3 and the groove of the power utilization end 12 through the telescopic adjusting knob 8.
According to the structure, the two ends of the electric conductor 9 are of cylindrical structures which can be matched with the elastic conductor 6, and the structure can be better contacted with the elastic conductor 6 in the grooves at the lower ends of the power supply end 3 and the power utilization end 12.
According to the structure, the bottom of the insulator 10 is provided with the fixing rod 11, the fixing rod 11 is arranged in the through hole of the fixed base 2, and one end of the fixing rod 11 is arranged on the telescopic adjusting knob 8. By adjusting the telescopic adjusting knob 8, the electric conductor 9 is fixed in the downward groove of the power supply end 3 and the power utilization end 12.
According to the structure, the specific operation mode of the device for preventing the reverse power supply of the high-voltage line is as follows: the device is arranged at the top end of an electric power tower 1, and the number and the positions of a power supply terminal 3, a connecting terminal 4, a power utilization terminal 12, a circuit breaker 7 and a grounding terminal 5 are reasonably planned according to the number of overhead lines. According to actual conditions, the fixing device is installed on the top end of the electric power tower 1, the power supply end 3 is installed at one end of power grid transmission, and the power utilization end 12 is installed on one side of an incoming line of a power utilization unit. When the electric wire netting need overhaul, the staff is through adjusting unable adjustment base 2's flexible adjust knob 8, with the separation between the electric conductor 9 of link 4 and power supply end 3 and earthing terminal 5. After the connection end 4 is separated, the worker closes the disconnecting switch 7 connecting the power supply end 3 and the grounding end 5, so that the power supply line for maintenance is in a grounding state.
A device for preventing reverse power supply of a high-voltage line is mainly used on a power tower 1 between a power supply line and a power consumption unit, and can disconnect the line between the power supply line and the power consumption unit. The power consumption unit can generate power through the generator equipment, and the staff who overhauls the power supply line can not cause life safety. The device has avoided the maintainer to need carry out ground connection at the in-process of in-service use, and the condition of damage circuit.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1.一种用于高压线路防倒供电的装置，其特征在于，包括电力杆塔、固定底座、供电端、用电端、连接端和接地端。所述固定底座安装在电力杆塔的顶端，所述供电端固定在固定底座的一侧，所述用电端固定在固定底座的另一侧。所述连接端安装在供电端和用电端之间的固定底座上，所述接地端安装在用电端下端的电力杆塔上。1. A device for high-voltage line anti-reverse power supply, characterized in that it comprises a power tower, a fixed base, a power supply end, a power consumption end, a connecting end and a grounding end. The fixed base is installed on the top of the power tower, the power supply end is fixed on one side of the fixed base, and the power consumption end is fixed on the other side of the fixed base. The connecting end is installed on the fixed base between the power supply end and the electricity consumption end, and the grounding end is installed on the power tower at the lower end of the electricity consumption end. 2.根据权利要求1所述的一种用于高压线路防倒供电的装置，其特征在于，所述供电端和用电端与固定底座一侧的具有向下凹槽，凹槽的内部装有弹性导体。2. A device for preventing reverse power supply of high-voltage lines according to claim 1, wherein the power supply terminal and the power consumption terminal and the fixed base have downward grooves on one side, and the inner part of the groove is equipped with a downward groove. elastic conductor. 3.根据权利要求3所述的一种用于高压线路防倒供电的装置，其特征在于，所述弹性导体为圆弧状。3 . The device for preventing reverse power supply of high-voltage lines according to claim 3 , wherein the elastic conductor is arc-shaped. 4 . 4.根据权利要求1所述的一种用于高压线路防倒供电的装置，其特征在于，所述用电端通过断路开关与接地端相连。4 . The device for preventing reverse power supply of high-voltage lines according to claim 1 , wherein the power consumption terminal is connected to the ground terminal through a circuit breaker. 5 . 5.根据权利要求1所述的一种用于高压线路防倒供电的装置，其特征在于，所述固定底座上为圆弧结构，圆弧内侧具有通孔，通孔的底部装有伸缩调节旋钮。5 . The device for preventing power supply from falling back on high-voltage lines according to claim 1 , wherein the fixed base has a circular arc structure, the inner side of the circular arc has a through hole, and the bottom of the through hole is equipped with a telescopic adjustment device. 6 . knob. 6.根据权利要求1所述的一种用于高压线路防倒供电的装置，其特征在于，所述连接端上端为导电体，连接端下端为绝缘体。6 . The device for preventing reverse power supply of high-voltage lines according to claim 1 , wherein the upper end of the connection end is a conductor, and the lower end of the connection end is an insulator. 7 . 7.根据权利要求6所述的一种用于高压线路防倒供电的装置，其特征在于，所述导电体的两端分别在供电端凹槽和用电端凹槽的下端。7 . The device for preventing reverse power supply of high-voltage lines according to claim 6 , wherein both ends of the conductor are located at the lower ends of the power supply end groove and the power consumption end groove, respectively. 8 . 8.根据权利要求6或7所述的一种用于高压线路防倒供电的装置，其特征在于，所述导电体两端为能够与弹性导体相切合的圆柱状结构。8 . The device for preventing reverse power supply of a high-voltage line according to claim 6 or 7 , wherein both ends of the conductor are cylindrical structures that can fit with the elastic conductor. 9 . 9.根据权利要求6所述的一种用于高压线路防倒供电的装置，其特征在于，所述绝缘体底部安装了固定杆，固定杆安装在固定底座的通孔内，固定杆一端安装在伸缩调节旋钮上。9 . The device for high-voltage line anti-reverse power supply according to claim 6 , wherein a fixed rod is installed at the bottom of the insulator, the fixed rod is installed in the through hole of the fixed base, and one end of the fixed rod is installed in the through hole of the fixed base. 10 . on the telescopic adjustment knob.
CN202011346017.4A 2020-11-25 2020-11-25 Device for preventing reverse power supply of high-voltage line Pending CN112366600A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202042864U (en) * 2011-01-24 2011-11-16 国网电力科学研究院 Unbalance insulation earthing device for half-composite pole tower
CN102280848A (en) * 2011-08-26 2011-12-14 无锡同春新能源科技有限公司 Cable line with solar photovoltaic generating system for supplying power to ice and snow melting device
CN106451220A (en) * 2016-12-01 2017-02-22 华北电力科学研究院有限责任公司 Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower
CN107332008A (en) * 2017-05-10 2017-11-07 广西领测科技有限公司 A kind of power supply base device
CN109066469A (en) * 2018-09-17 2018-12-21 广东电网有限责任公司 A kind of generator car Quick access device for distribution network overhead line
CN214176671U (en) * 2020-11-25 2021-09-10 南通通明集团有限公司 A device for preventing reverse power supply of high-voltage lines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202042864U (en) * 2011-01-24 2011-11-16 国网电力科学研究院 Unbalance insulation earthing device for half-composite pole tower
CN102280848A (en) * 2011-08-26 2011-12-14 无锡同春新能源科技有限公司 Cable line with solar photovoltaic generating system for supplying power to ice and snow melting device
CN106451220A (en) * 2016-12-01 2017-02-22 华北电力科学研究院有限责任公司 Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower
CN107332008A (en) * 2017-05-10 2017-11-07 广西领测科技有限公司 A kind of power supply base device
CN109066469A (en) * 2018-09-17 2018-12-21 广东电网有限责任公司 A kind of generator car Quick access device for distribution network overhead line
CN214176671U (en) * 2020-11-25 2021-09-10 南通通明集团有限公司 A device for preventing reverse power supply of high-voltage lines

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