阅读说明：本技术 一种110kV气体绝缘金属封闭组合开关及110kV车载式组合开关 (kinds of 110kV gas insulated metal enclosed combination switch and 110kV vehicle-mounted combination switch ) 是由 康雪晶 狄谦 尹军华 寇新民 赵一帆 谢晓磊 贾芳丽 尤晓亮 张继承 李燕华 毛 于 2019-09-10 设计创作，主要内容包括：本发明涉及开关装置技术领域,特别涉及一种110kV气体绝缘金属封闭组合开关及110kV车载式组合开关。该车载式组合开关包括车体和安装车体上的组合开关,组合开关包括开关单元,开关单元包括立式断路器,断路器的下端一侧连接有第一三工位开关,断路器的上端一侧连接有电流互感器,电流互感器背离立式断路器的一侧连接有第二三工位开关,第二三工位开关的下侧连接有电缆终端,两三工位开关位于断路器的两侧,各结构共面设置；开关单元有多个,且各开关单元之间电连接,多个开关单元中有一个的电缆终端为进线端,其余开关单元的电缆终端为出线端。该车载式组合开关用于解决现有技术中的110kV车载式组合开关的使用效率低的问题。(The invention relates to the technical field of switch devices, in particular to an kinds of 110kV gas insulated metal enclosed combination switch and a 110kV vehicle-mounted combination switch, wherein the vehicle-mounted combination switch comprises a vehicle body and a combination switch arranged on the vehicle body, the combination switch comprises a switch unit, the switch unit comprises a vertical breaker, a th three-station switch is connected to the side of the breaker, a current transformer is connected to the side of the breaker, the side of the current transformer, which is far away from the vertical breaker, is connected with a second three-station switch, the lower side of the second three-station switch is connected with cable terminals, the two three-station switches are positioned on two sides of the breaker, all the structures are arranged in a coplanar manner, a plurality of switch units are electrically connected, the switch units are electrically connected, cable terminals in the switch units are wire inlet terminals, and the cable terminals of the other switch units are wire outlet terminals.)

1, kinds of 110kV gas-insulated metal-enclosed switchgroup, characterized by, include:

the switch unit comprises a vertical circuit breaker, a third-station switch is connected to the side of the lower end of the vertical circuit breaker, a current transformer is connected to the side of the upper end of the vertical circuit breaker, a second third-station switch is connected to the side of the current transformer, which deviates from the vertical circuit breaker, a cable terminal is connected to the lower side of the second third-station switch, the third-station switch and the second third-station switch are located on two sides of the vertical circuit breaker, and the third-station switch, the vertical circuit breaker, the current transformer, the second third-station switch and the cable terminal are arranged in a;

the switch units are multiple and are electrically connected with each other, cable terminals in the switch units are wire inlet terminals, and the cable terminals of the other switch units are wire outlet terminals.

2. A 110kV gas-insulated metal-enclosed switchgroup as defined in claim 1, wherein two or more of the plurality of switch cells are arranged side by side in the width direction and/or two of the plurality of switch cells are arranged side by side in the length direction.

3. The 110kV gas-insulated metal-enclosed combined switch according to claim 2, wherein when the plurality of switch units are arranged side by side in the width direction, each switch unit is electrically connected with each th three-position switch through the sealed conductive connecting section, when two switch units are arranged side by side in the length direction, two switch units arranged side by side in the length direction are electrically connected with two th three-position switches through the sealed conductive connecting section, and the sealed conductive connecting section comprises a sealed cylinder body and a conductor in the sealed cylinder body.

4. A 110kV gas-insulated metal-enclosed switchgroup as claimed in any of claims 1 to 3, wherein the cable terminal in each switch unit is disposed horizontally with the interface of the cable terminal facing away from the vertical breaker.

5. A110 kV gas-insulated metal-enclosed switchyard as claimed in any of claims 1 to 3, wherein there are five switch units, arranged in three rows, and the row in the middle comprises switch units.

6. A110 kV gas-insulated metal-enclosed switchyard as claimed in claim 5, wherein the third-position switches of the switching units in the central column are connected with a voltage transformer on the side of facing away from the vertical breaker.

7, kinds of 110kV vehicular combination switch, characterized by, including the automobile body with install the 110kV gas-insulated metal-enclosed combination switch on the automobile body, 110kV gas-insulated metal-enclosed combination switch includes:

the switch unit comprises a vertical circuit breaker, a third-station switch is connected to the side of the lower end of the vertical circuit breaker, a current transformer is connected to the side of the upper end of the vertical circuit breaker, a second third-station switch is connected to the side of the current transformer, which deviates from the vertical circuit breaker, a cable terminal is connected to the lower side of the second third-station switch, the third-station switch and the second third-station switch are located on two sides of the vertical circuit breaker, and the third-station switch, the vertical circuit breaker, the current transformer, the second third-station switch and the cable terminal are arranged in a;

the switch units are multiple and are electrically connected with each other, cable terminals in the switch units are wire inlet terminals, and the cable terminals of the other switch units are wire outlet terminals.

8. A110 kV vehicle-mounted combination switch according to claim 7, wherein more than two of the plurality of switch units are arranged side by side in the width direction and/or two of the plurality of switch units are arranged side by side in the length direction.

9. A110 kV vehicle-mounted combination switch according to claim 8, wherein when a plurality of switch units are arranged side by side in the width direction, each switch unit is electrically connected with each th-position switch through a sealed conductive connecting section, when two switch units are arranged side by side in the length direction, two switch units arranged side by side in the length direction are electrically connected with each th-position switch through the sealed conductive connecting section, and the sealed conductive connecting section comprises a sealed cylinder body and a conductor in the sealed cylinder body.

10. A 110kV gas-insulated metal-enclosed switchyard as claimed in any of claims 7 to 9, wherein the cable terminals in each switchgear cell are horizontally arranged with the cable terminal interface facing away from the vertical breaker.

Technical Field

The invention relates to the technical field of switch devices, in particular to 110kV gas insulated metal-enclosed combination switches and 110kV vehicle-mounted combination switches.

Background

The movable transformer substation has the advantages of flexibility, convenience in transportation, strong road adaptability, no need of occupying land for a long time and the like, and can be deployed into a transformer substation with a corresponding voltage class at any time to be used when sudden power equipment faults, natural disasters or temporary replacement power supply demands are met, so that stable power supply of a power grid is guaranteed.

At present, in the application of a vehicle-mounted mobile substation, a semi-closed gas-insulated combined switch is mainly adopted for a 110kV vehicle-mounted combined switch, the structure of the semi-closed gas-insulated combined switch is large, only semi-closed gas-insulated combined switches can be installed on vehicles, so that the current 110kV vehicle-mounted combined switch can only realize the 110kV line connection of a single loop, and the use efficiency is low.

Disclosure of Invention

The invention aims to provide 110kV gas-insulated metal-enclosed combination switches, which are used for improving the use efficiency of a 110kV vehicle-mounted combination switch comprising the 110kV gas-insulated metal-enclosed combination switch, and kV vehicle-mounted combination switches, which are used for solving the problem of low use efficiency of the 110kV vehicle-mounted combination switch in the prior art.

In order to achieve the purpose, the 110kV gas-insulated metal-enclosed combination switch provided by the invention adopts the following technical scheme:

this 110kV gas-insulated metal-enclosed combination switch includes:

the switch unit comprises a vertical circuit breaker, a third-station switch is connected to the side of the lower end of the vertical circuit breaker, a current transformer is connected to the side of the upper end of the vertical circuit breaker, a second third-station switch is connected to the side of the current transformer, which deviates from the vertical circuit breaker, a cable terminal is connected to the lower side of the second third-station switch, the third-station switch and the second third-station switch are located on two sides of the vertical circuit breaker, and the third-station switch, the vertical circuit breaker, the current transformer, the second third-station switch and the cable terminal are arranged in a;

the switch units are multiple and are electrically connected with each other, cable terminals in the switch units are wire inlet terminals, and the cable terminals of the other switch units are wire outlet terminals.

The 110kV gas-insulated metal-enclosed combination switch provided by the invention has the beneficial effects that the 110kV gas-insulated metal-enclosed combination switch comprises a plurality of switch units, the switch units are used as the switch units in the gas-insulated metal-enclosed combination switch, the structure of the switch units is smaller, the structures in the switch units are arranged in a coplanar manner, so that the space occupied by the switch units in the direction vertical to the plane of each structure is smaller, in addition, a cable terminal is used for replacing a wiring sleeve, the condition that the overall height of the switch units is higher due to the fact that the wiring sleeve extends upwards for a higher distance is avoided, so that the space occupied by the switch units in the height direction is smaller, and the combination switch can be provided with a plurality of switch units and is connected with , so that the combination switch can realize a wire inlet and outlet mode with wire inlet ends and more than two wire outlet ends, and the use efficiency of the combination switch can be improved.

, more than two of the plurality of switch units are arranged side by side in the width direction and/or two of the plurality of switch units are arranged side by side in the length direction, the switch units are arranged so that the combined switch occupies a small space and is convenient to use in a vehicle-mounted combined switch.

, when the switch units are arranged side by side in the width direction, each switch unit realizes the electric connection of each three-position switch through the sealed conductive connecting section, when two switch units are arranged side by side in the length direction, the two switch units are arranged side by side in the length direction, and the sealed conductive connecting section comprises the sealed cylinder and the conductor in the sealed cylinder, and the two switch units are arranged side by side in the length direction and realize the electric connection of the two three-position switches through the sealed conductive connecting section.

, the cable terminals in each switch unit are horizontally arranged, and the interfaces of the cable terminals are back to the vertical circuit breaker.

, the switch units are five, the five switch units are arranged in three rows, the row in the middle comprises switch units, the combined switch in the mode has the inlet and outlet wire mode of inlet and outlet, the use efficiency is high, the combined switch is arranged in a mode that the combined switch is arranged symmetrically overall, and when the combined switch is installed on a vehicle, the stability is good.

steps are carried out, a voltage transformer is connected to the third-position switch of the switch unit in the middle column on the side , which is far away from the vertical circuit breaker, the column in the middle only comprises switch units, so that the occupied space in the length direction is small, the voltage transformer is arranged on the switch unit, the voltage transformer can be arranged in the space between the two columns of switch units on the two sides, and the problem that the size of the whole combined switch is increased due to the arrangement of the voltage transformer can be avoided.

The 110kV vehicle-mounted combination switch provided by the invention adopts the following technical scheme:

this 110kV vehicular combination switch includes the automobile body and installs the 110kV gas insulated metal enclosed combination switch on the automobile body, and 110kV gas insulated metal enclosed combination switch includes:

the switch unit comprises a vertical circuit breaker, a third-station switch is connected to the side of the lower end of the vertical circuit breaker, a current transformer is connected to the side of the upper end of the vertical circuit breaker, a second third-station switch is connected to the side of the current transformer, which deviates from the vertical circuit breaker, a cable terminal is connected to the lower side of the second third-station switch, the third-station switch and the second third-station switch are located on two sides of the vertical circuit breaker, and the third-station switch, the vertical circuit breaker, the current transformer, the second third-station switch and the cable terminal are arranged in a;

the switch units are multiple and are electrically connected with each other, cable terminals in the switch units are wire inlet terminals, and the cable terminals of the other switch units are wire outlet terminals.

The 110kV gas-insulated metal-enclosed combination switch has the advantages that the 110kV gas-insulated metal-enclosed combination switch in the 110kV gas-insulated metal-enclosed combination switch comprises a plurality of switch units, the switch units are used as the switch units in the gas-insulated metal-enclosed combination switch, the structure of the 110kV gas-insulated metal-enclosed combination switch is small, the structures in the switch units are arranged in a coplanar mode, so that the space occupied by the switch units in the direction perpendicular to the plane where the structures are located is small, in addition, a cable terminal is used for replacing a wiring sleeve, the situation that the overall height of the switch units is high due to the fact that the wiring sleeve extends upwards for a long distance is avoided, the space occupied by the switch units in the height direction is small, the 110kV gas-insulated metal-enclosed combination switch can be provided with a plurality of switch units, the switch units are connected to , the 110kV gas-insulated metal-enclosed combination switch can achieve a wire inlet and outlet mode with wire inlet ends and more than two wire outlet ends, and the use efficiency of the 110kV gas-insulated.

, more than two of the switch units are arranged side by side in the width direction and/or two of the switch units are arranged side by side in the length direction, and the switch units are arranged so that the overall occupied space of the combined switch is small, and the vehicle-mounted combined switch can meet the requirement of road transportation.

, when the switch units are arranged side by side in the width direction, each switch unit realizes the electric connection of each three-position switch through the sealed conductive connecting section, when two switch units are arranged side by side in the length direction, the two switch units are arranged side by side in the length direction, and the sealed conductive connecting section comprises the sealed cylinder and the conductor in the sealed cylinder, and the two switch units are arranged side by side in the length direction and realize the electric connection of the two three-position switches through the sealed conductive connecting section.

, the cable terminal in each switch unit is horizontally arranged, and the interface of the cable terminal faces away from the vertical circuit breaker, so that the height of each switch unit can be reduced, and the occupied space of the whole 110kV vehicle-mounted combined switch in the height direction is reduced.

Step , on the basis of various schemes of the front 110kV vehicle-mounted combination switch, five switch units are arranged, the five switch units are arranged in three rows, and the row in the middle comprises switch units.

, on the basis of five schemes of switch units, the th three-position switch of the switch unit in the middle column is connected with a voltage transformer at the side of departing from the vertical breaker, columns in the middle of the combined switch on the vehicle body only comprise switch units, so the occupied space in the length direction is smaller, the voltage transformer is arranged on the switch unit, the space between the two columns of switch units at two sides can be used for installing the voltage transformer, and the size of the whole combined switch can be prevented from being enlarged due to the installation of the voltage transformer.

, on the basis of the five schemes of the switch units, the switch units positioned in the middle column are arranged close to the front end of the vehicle body, so that the gravity center of the 110kV gas-insulated metal-enclosed combination switch can be moved forward, and the stability of the whole 110kV vehicle-mounted combination switch is further improved.

, on the basis of various schemes of the front 110kV vehicle-mounted combination switch, the vehicle body is provided with an adjusting leg for adjusting the levelness of the vehicle body, so that the levelness of the vehicle body can be ensured and the stable support can be provided for the vehicle body by adjusting the adjusting leg before the 110kV vehicle-mounted combination switch is put into use.

Drawings

Fig. 1 is a front view of an embodiment of a 110kV vehicle-mounted combination switch provided by the present invention;

fig. 2 is a top view of an embodiment of a 110kV vehicle-mounted combination switch provided by the present invention.

In the attached drawing, 1-a vehicle body, 2-a circuit breaker, 3-a th three-position switch, 4-a current transformer, 5-a second three-position switch, 6-a cable terminal, 7-a cable terminal interface, 8-a voltage transformer and 9-a sealed conductive connecting section.

Detailed Description

The following describes an embodiment of the present invention at with reference to the drawings.

The embodiment of the 110kV vehicle-mounted combination switch provided by the invention comprises the following steps:

as shown in fig. 1 and 2, the 110kV vehicle-mounted combination switch comprises a vehicle body 1 and a 110kV gas-insulated metal-enclosed combination switch installed on the vehicle body 1, wherein adjusting legs (not shown in the figure) are respectively arranged at four corners of the bottom of the vehicle body 1, the four adjusting legs are used for ensuring the levelness of the 110kV vehicle-mounted combination switch when the 110kV vehicle-mounted combination switch is used and providing stable support for the vehicle body 1, the vehicle body 1 in the embodiment is a spring-suspended semi-trailer body, and the advancing direction of the vehicle body 1 is defined as the front side.

The 110kV gas-insulated metal-enclosed combined switch comprises five switch units, each switch unit comprises circuit breakers 2, each circuit breaker 2 is a vertical circuit breaker, the length direction of each circuit breaker 2 extends along the vertical direction, third-station switches 3 are connected to the lower end side of each circuit breaker 2, a current transformer 4 is connected to the upper end side of each circuit breaker 2, a second third-station switch 5 is connected to the side, facing away from each circuit breaker 2, of each current transformer 4, a cable terminal 6 is connected to the lower side of each second third-station switch 5 through a connecting cylinder, a cable terminal interface 7 of each cable terminal 6 is horizontally arranged and faces the direction, facing away from each circuit breaker 2, of each cable terminal 6, the third-station switches 3 and the second third-station switches 5 are arranged on two opposite sides of each circuit breaker 2, and the third-station switches 3, each circuit breaker 2, each current transformer 4, each second third-station switch.

In the embodiment, five switch units of the 110kV gas insulated metal-enclosed combined switch are arranged in three rows, the three rows of switch units are arranged at intervals along the wide section direction of a vehicle body 1, th three-position switches 3 and th three-position switches 5 in each switch unit are arranged in the front-back direction, the two rows of switch units on the left side and the right side of the vehicle body 1 respectively comprise two switch units, the row of switch units in the middle only comprise switch units, the two switch units in the two rows of switch units on the left side and the right side are defined to be a front switch unit and a rear switch unit respectively, the front switch unit is arranged close to the front end of the vehicle body 1, and the switch unit in the middle row is arranged corresponding to the front switch units in the two rows of switch units.

In the present embodiment, the switch cells located in the middle row correspond to the two front switch cells in the lateral direction , and the two rear switch cells in the two left and right rows of switch cells also correspond to in the lateral direction.

The rear end of the third-position switch 3 of the switch unit positioned in the middle column is connected with a voltage transformer 8.

The th three-position switches 3 of the front switch unit and the rear switch unit in the left and right columns of switch units are connected to 0 through sealed conductive connecting sections 9, and the front switch unit and the rear switch unit are arranged in a coplanar manner, the 2 th three-position switches 3 of the switch unit in the middle 1 column are respectively connected to through sealed conductive connecting sections 9 on the left and right sides with the th three-position switches 3 of the two front switch units, the conductive sealed connecting section 9 comprises a sealed cylinder body and a conductor (not shown in the figure) in the sealed cylinder body, the sealed cylinder body is used for realizing the sealed connection of the two th three-position switches 3 structurally, the conductor is used for realizing the electric connection of the two th three-position switches 3, and in the embodiment, each conductive sealed connecting section 9 belongs to part of of the two third-position switches 3 connected with the conductive sealed connecting section 9.

Five switch units of the 110kV gas-insulated metal-enclosed combination switch are connected into whole bodies, when the 110kV gas-insulated metal-enclosed combination switch is used, cable terminals 6 in any switch units can be used as wire inlet ends of the 110kV gas-insulated metal-enclosed combination switch, and cable terminals 6 of other switch units are used as wire outlet ends of the 110kV gas-insulated metal-enclosed combination switch to form a wire inlet and outlet mode, so that the use efficiency of the 110kV vehicle-mounted combination switch is improved.

In other embodiments, the cable termination interface may be oriented vertically downward or oriented at degrees with respect to the up-down direction.

th three-position switch and second three-position switch are defined to be arranged at intervals along the length direction of each switch unit, in the above embodiment, the length of each switch unit extends along the front-rear direction of the vehicle body, and the switch units in adjacent rows are arranged along the width direction of the vehicle body.

In the above embodiment, the 110kV gas insulated metal enclosed combined switch comprises five switch units, the five switch units are arranged in three rows, the left row and the right row comprise two switch units, the middle row comprises switch units, and the switch unit in the middle row is arranged close to the front end of the vehicle body.

In the above embodiment, the voltage transformer is connected to the third-position switch of the switch unit in the middle column, in other embodiments, the voltage transformer can also be connected to the third-position switch in other switch units, and the voltage transformer can also be used.

In the above embodiment, each conductive sealing connecting section belongs to parts of of the th three-position switches connected with the conductive sealing connecting section, in other embodiments, each conductive sealing connecting section can be separately arranged and then respectively connected and fixed with the th three-position switches, and the conductive sealing connecting section can also be used.

The invention also provides types of 110kV gas-insulated metal-enclosed combination switches, and the 110kV gas-insulated metal-enclosed combination switch has the same structure as the 110kV gas-insulated metal-enclosed combination switch in the 110kV vehicle-mounted combination switch, and the description is omitted here.