CN213125361U

CN213125361U - Chinese-style box-type substation with handcart

Info

Publication number: CN213125361U
Application number: CN202022155051.5U
Authority: CN
Inventors: 梁宏; 徐贤忠; 唐超; 何佳; 梁言
Original assignee: Zhengzhou Ji'anlong High Voltage Electric Co ltd
Current assignee: Zhengzhou Ji'anlong High Voltage Electric Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-04
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to the technical field of Chinese style box-type substation equipment, in particular to a Chinese style box-type substation with a handcart, which comprises a high-voltage cabinet, a transformer and a low-voltage cabinet, wherein the high-voltage cabinet and the low-voltage cabinet are both arranged on the side surface of the transformer, the interior of the high-voltage cabinet is divided into a left cavity and a right cavity by a vertical insulating partition plate, the interior of the right cavity is divided into an upper cavity and a lower cavity by a transverse insulating partition plate which is transversely arranged, a first sleeve and a second sleeve which are connected by a fuse are arranged in the upper cavity, the first sleeve is a wall-penetrating sleeve with electronic CT and PT, the second sleeve is electrically connected with the transformer by the first sleeve, a third sleeve which is electrically connected with a live cable is arranged in the lower cavity, a handcart-type high-voltage circuit breaker or a load switch is movably arranged in the left cavity to control, and the maintenance of equipment in the later period is greatly facilitated.

Description

Chinese-style box-type substation with handcart

Technical Field

The utility model relates to a chinese style box substation equipment technical field, concretely relates to chinese style box substation of taking handcart.

Background

The conventional box-type transformer substation combines a transformer, a high-voltage cabinet and a low-voltage cabinet together, and the transformer, the high-voltage cabinet and the low-voltage cabinet are wrapped by a sheet iron box, so that the conventional box-type transformer substation is large in size, heavy in weight, large in occupied area and difficult to install and transport. When a transformer or a high-voltage cabinet of a box-type substation needs to be maintained, a series of protection measures are needed to ensure the safety of maintenance personnel, so that the consumed time is long, and a handcart type high-voltage circuit breaker or a load switch is gradually and widely applied due to the flexibility and the convenience of the handcart type high-voltage circuit breaker or the load switch.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a Chinese style box-type substation with a handcart, which comprises a high-voltage cabinet, a transformer and a low-voltage cabinet, wherein the high-voltage cabinet and the low-voltage cabinet are both arranged on the side surface of the transformer, the interior of the high-voltage cabinet is divided into a left cavity and a right cavity by a vertical insulating partition plate, the interior of the right cavity is divided into an upper cavity and a lower cavity by a transverse insulating partition plate which is transversely arranged, a first sleeve and a second sleeve which are connected by a fuse are arranged in the upper cavity, the first sleeve is provided with an electronic CT, PT's wall bushing, second sleeve pipe are connected through first sleeve pipe and transformer electricity, install the third sleeve pipe of being connected with electrified cable electricity in the lower cavity, and handcart-type high-voltage circuit breaker or load switch movable mounting are in order to control the circuit break-make situation of upper chamber and lower cavity in left cavity, and this device has only simplified the inner structure of equipment, has still made things convenient for the maintenance of later stage equipment greatly.

The utility model provides a what solve above-mentioned problem provide is a take chinese style box-type substation of handcart, including high-voltage board, transformer and low-voltage board, high-voltage board and low-voltage board are all installed in the side of transformer, the high-voltage board is inside to be separated into left cavity and right cavity through the vertical insulating barrier of vertical installation, separates into upper chamber and lower cavity through the horizontal insulating barrier of horizontal installation in the right cavity, and the indoor fixed mounting of upper chamber has first sleeve pipe and the second sleeve pipe of connecting through the fuse, and first sleeve pipe is the wall bushing of wearing of electrified son CT, PT and its two parts main part is located the inner wall and the outer wall of upper chamber respectively, install the fourth sleeve pipe rather than the internal element electricity on the transformer, first sleeve pipe and fourth sleeve pipe electricity are connected in order to be connected transformer and second sleeve pipe electricity, still install the earthing switch who is connected with the second sleeve pipe electricity in the upper; the cable that is connected with power supply unit wears to be equipped with in the cavity of resorption, and the cable is located the joint in the cavity of resorption and is connected with the third sleeve electricity of fixed mounting in the cavity of resorption, third sleeve and second sleeve are connected through the handcart-type high voltage circuit breaker or the load switch electricity of movable mounting in left cavity.

As a further scheme of the chinese style box-type substation of taking handcart, seted up connector and lower connector on the perpendicular insulating barrier, go up the connector and down the connector correspond with last cavity and lower cavity respectively in order to communicate two cavities and outside respectively, handcart-type high voltage circuit breaker or load switch's two contact jaws wear to establish respectively in last connector and lower connector and respectively with second sleeve pipe and third sleeve pipe electricity be connected in order to be connected second sleeve pipe and third sleeve pipe electricity.

As a further scheme of the chinese style box-type substation of taking handcart, movable mounting has the lower valve that is used for sealing the last valve of connector and is used for sealing down the connector on erecting insulating barrier, goes up the valve and is the insulation board with lower valve.

As a further scheme of the chinese style box-type substation of taking handcart, erect the equal vertical guide way that has set firmly in both sides that lies in connector and connector down on the insulating barrier, go up the valve and be the rectangular plate with lower valve and the two relative both sides board is along all having set firmly the guide block, goes up the guide block and two guide way swing joint that valve and lower valve all pass through both sides.

As a further proposal of the Chinese box type transformer substation with the handcart, the upper connector and the lower connector are three, and the three upper connector is horizontally arranged and respectively positioned right above the three lower connector.

Compared with the prior art, the utility model discloses the beneficial effect who has: in the scheme, the first sleeve is a wall bushing with electronic CT and PT, and comprises two parts which are respectively installed on the inner wall of the upper chamber and the outer wall of the upper chamber and are electrically connected, the first sleeve, the second sleeve and the third sleeve are installed in the high-voltage cabinet to replace conventional current transformers, voltage transformers and other devices, so that the structure in the high-voltage cabinet is simplified, the height and the occupied space of the high-voltage cabinet are greatly reduced, the components in the high-voltage cabinet are reduced, the weight of the high-voltage cabinet is reduced, the installation, the maintenance and the transportation are convenient, the manufacturing of a movable transformer substation and a parking lot box transformer are facilitated, and the charging pile is supplied for charging, and environment-friendly clean energy is. This device adopts handcart-type high voltage circuit breaker or load switch to replace conventional fixed high voltage circuit breaker or load switch to control the circuit connection situation of two cavities, has guaranteed to connect the convenient equipment maintenance when stable, and when handcart-type high voltage circuit breaker or load switch pulled out, electrified cable joint was sealed in the cavity of resorption and was located the earthing switch ground connection of cavity of resorption, has guaranteed the security in the maintenance process.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic side view of the high-voltage board of the present invention;

the labels in the figure are: 1. the high-voltage cabinet, 2, a transformer, 3, a low-voltage cabinet, 4, an upper chamber, 5, a lower chamber, 6, a fuse, 7, a first sleeve, 8, a second sleeve, 9, a third sleeve, 10, a handcart type high-voltage circuit breaker or a load switch, 11, a fourth sleeve, 12, a cable, 13, an upper valve, 14, a lower valve, 15, a vertical insulating partition, 16 and a transverse insulating partition.

Detailed Description

As shown in the figure: a Chinese style box-type substation with a handcart comprises a high-voltage cabinet 1, a transformer 2 and a low-voltage cabinet 3, wherein the high-voltage cabinet 1 and the low-voltage cabinet 3 are both arranged on the side surface of the transformer 2, the inside of the high-voltage cabinet 1 is divided into a left chamber and a right chamber through a vertical insulating partition 15 which is longitudinally arranged, the inside of the right chamber is divided into an upper chamber 4 and a lower chamber 5 through a transverse insulating partition 15 which is transversely and fixedly arranged, a first sleeve 7 and a second sleeve 8 are fixedly arranged on the inner wall of the upper chamber 4, the first sleeve 7 and the second sleeve 8 are connected through a fuse 6, a grounding switch is arranged inside the high-voltage cabinet 1, the second sleeve 8 is electrically connected with the grounding switch through a disconnecting switch, the first sleeve 7 is a wall-penetrating sleeve with electronic CT and PT subsections and comprises two parts which are arranged on the inner wall and the outer wall of the upper chamber and are electrically connected, a fourth, the body of the first bushing 7, which is located outside the upper chamber, is electrically connected to the fourth bushing 11 and thus to the inside of the transformer, so that the second bushing 8 is electrically connected to the internal components of the transformer 2 through the first bushing 7 and the fourth bushing 11; a cable 12 connected with power supply equipment is arranged in the lower chamber 5 in a penetrating way, and a joint of the cable 12 positioned in the lower chamber 5 is electrically connected with a third sleeve 9 fixedly installed in the lower chamber 5.

An upper connecting port and a lower connecting port are formed in the vertical insulating partition 15, the upper connecting port and the lower connecting port respectively correspond to the upper chamber 4 and the lower chamber 5 to respectively communicate the left chamber with the upper chamber and the lower chamber in sections, an upper valve 13 for sealing the upper connecting port and a lower valve 14 for sealing the lower connecting port are movably mounted on the plate surface of the left chamber of the vertical insulating partition 15, the upper valve 13 and the lower valve 14 are insulating plates, preferably, the upper valve 13 and the lower valve 14 are rectangular, guide grooves are vertically and fixedly formed in the side wall of the left chamber, located on the upper connecting port and the lower connecting port, of the vertical insulating partition, guide blocks are fixedly formed in the two opposite side plate edges of the upper valve 13 and the two opposite side plate edges of the lower valve 14, the upper valve 13 and the lower valve 14 are movably connected with the two guide grooves through the guide blocks on the two sides and movably adjustable along the guide grooves, the upper edge of the upper valve 13 and the lower edge of the lower valve 14 are connected with the outer wall, the actions of the upper valve 13 and the lower valve 14 can be controlled through a link mechanism, so that the opening and closing states of the upper connecting port and the lower connecting port are controlled.

A handcart type high-voltage circuit breaker or a load switch 10 is movably arranged in the left chamber, two contact ends of the handcart type high-voltage circuit breaker or the load switch 10 are respectively arranged in the upper connecting port and the lower connecting port in a penetrating manner and are respectively and electrically connected with the second sleeve 8 and the third sleeve 9, and the handcart type high-voltage circuit breaker or the load switch 10 is used for electrically connecting the second sleeve 8 and the third sleeve 9 so as to connect the circuits of the upper chamber 4 and the lower chamber 5; two contact ends of the handcart type high-voltage circuit breaker or the load switch 10 are three, the upper connectors and the lower connectors are three, and the three upper connectors are horizontally arranged and are respectively positioned right above the three lower connectors. The device replaces conventional current transformers, voltage transformers and other devices by adopting the first sleeve 7, the second sleeve 8, the third sleeve 9 and the fourth sleeve 11, the structure inside the high-voltage cabinet 1 is simplified, in addition, a handcart type high-voltage circuit breaker or a load switch 10 is adopted to replace a conventional fixed type high-voltage circuit breaker or a load switch, the handcart type high-voltage circuit breaker or the load switch is conveniently pulled out of the cabinet body to maintain equipment, the upper valve 13 and the lower valve 14 are self-reset to seal the high-voltage cabinet 1 into two chambers when the handcart type high-voltage circuit breaker or the load switch 10 is pulled away from the right chamber, the electrified cable 12 joint is sealed in the lower chamber 5, the grounding switch in the upper chamber 4 is grounded, and the transformer 2 and high-voltage elements in the high-voltage cabinet 1 can be maintained under the relatively safe condition.

When the handcart type high-voltage circuit breaker or the load switch 10 is used, the handcart type high-voltage circuit breaker or the load switch 10 is arranged outside the high-voltage cabinet 1, two contact ends of the handcart type high-voltage circuit breaker or the load switch are respectively in contact connection with corresponding parts in the upper cavity 4 and the lower cavity 5, so that elements of the upper cavity 4 and the lower cavity 5 are electrically connected, when the handcart type high-voltage circuit breaker or the load switch 10 needs to be overhauled, the handcart type high-voltage circuit breaker or the load switch 10 is pulled to be far away from one side of the right cavity, the contact ends of the handcart type high-voltage circuit breaker or the load switch are not in contact with devices in the right cavity, so that the circuit connection relation between the upper cavity and the lower cavity is broken, when the handcart type high-voltage circuit breaker or the load switch 10 is pulled out, the upper valve 13 moves downwards and the lower valve 14 moves upwards under the action of the connecting rod mechanism, the upper cavity 4 and the.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. The utility model provides a take chinese style box-type substation of handcart, includes high-voltage board (1), transformer (2) and low-voltage board (3), and the side at transformer (2), its characterized in that are all installed in high-voltage board (1) and low-voltage board (3): the transformer is characterized in that the interior of the high-voltage cabinet (1) is divided into a left chamber and a right chamber by a vertically-mounted vertical insulating partition plate (15), the right chamber is divided into an upper chamber (4) and a lower chamber (5) by a horizontally-mounted horizontal insulating partition plate (16), a first sleeve (7) and a second sleeve (8) which are connected through a fuse (6) are fixedly mounted in the upper chamber (4), the first sleeve (7) is a wall-penetrating sleeve with electronic CT and PT, two main bodies of the first sleeve and the second sleeve are respectively positioned on the inner wall and the outer wall of the upper chamber, a fourth sleeve (11) which is electrically connected with internal elements of the transformer is mounted on the transformer (2), the first sleeve (7) is electrically connected with the fourth sleeve (11) so as to electrically connect the transformer (2) with the second sleeve (8), and a grounding switch which is electrically connected with the second sleeve (8) is further mounted in the upper chamber; wear to be equipped with cable (12) of being connected with power supply unit in lower cavity (5), cable (12) are located down the joint in cavity (5) and are connected with third sleeve pipe (9) electricity of fixed mounting in cavity (5) down, third sleeve pipe (9) and second sleeve pipe (8) are connected through the handcart-type high voltage circuit breaker of movable mounting in left cavity or load switch (10) electricity.

2. The Chinese-style box-type substation with the handcart of claim 1, characterized in that: an upper connector and a lower connector are formed in the vertical insulating partition plate (15), the upper connector and the lower connector correspond to the upper cavity (4) and the lower cavity (5) respectively to communicate the two cavities with the outside, and two contact ends of the handcart type high-voltage circuit breaker or the load switch (10) penetrate through the upper connector and the lower connector respectively and are electrically connected with the second sleeve (8) and the third sleeve (9) respectively to electrically connect the second sleeve (8) and the third sleeve (9).

3. The Chinese-style box-type substation with the handcart of claim 2, characterized in that: an upper valve (13) used for sealing the upper connecting port and a lower valve (14) used for sealing the lower connecting port are movably mounted on the vertical insulating partition plate, and the upper valve (13) and the lower valve (14) are insulating plates.

4. The Chinese-style box-type substation with the handcart of claim 3, wherein: the both sides that lie in last connector and lower connector on vertical insulating barrier (15) are all vertical to have set firmly the guide way, go up valve (13) and valve (14) down and be the rectangular plate and the two relative both sides board is along all having set firmly the guide block, go up valve (13) and valve (14) down and all pass through the guide block and two guide way swing joint of both sides.

5. The Chinese-style box-type substation with the handcart of claim 2, characterized in that: the upper connectors and the lower connectors are three, and the three upper connectors are horizontally arranged and are respectively positioned right above the three lower connectors.