CN216902669U - Vacuum circuit breaker with vacuum degree monitoring function - Google Patents
Vacuum circuit breaker with vacuum degree monitoring function Download PDFInfo
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- CN216902669U CN216902669U CN202220244090.9U CN202220244090U CN216902669U CN 216902669 U CN216902669 U CN 216902669U CN 202220244090 U CN202220244090 U CN 202220244090U CN 216902669 U CN216902669 U CN 216902669U
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Abstract
The utility model discloses a vacuum circuit breaker with vacuum degree monitoring, which comprises a box body, wherein three second insulating cylinders which are uniformly distributed are fixedly connected at the middle position of the top of the box body, first insulating cylinders are fixedly connected at the top of the second insulating cylinders, the middle positions of the front ends of the three first insulating cylinders penetrate through and are fixedly connected with pressure sensors, and functional layers are fixedly connected on the inner walls of the three first insulating cylinders. According to the utility model, the functional layer is arranged on the inner wall of the first insulating cylinder, so that a good airtight insulating effect can be achieved, the corrugated sleeve made of silicone rubber is arranged on the outer surface of the insulating cylinder, so that the effects of insulating and protecting the inner insulating cylinder from being damaged are achieved, the pressure sensor on the first insulating cylinder is used for detecting the pressure of the arc extinguish chamber, the pressure value is transmitted to an external terminal, the relative pressure is obtained, and then the vacuum degree of the device is obtained through conversion between the relative pressure and the relative vacuum degree, so that the vacuum degree of the device is fast and accurate.
Description
Technical Field
The utility model relates to the technical field of vacuum circuit breakers, in particular to a vacuum circuit breaker with a vacuum degree monitoring function.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is popularized to be applied to a power distribution network. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
Chinese patent 202021041126.0 discloses a vacuum circuit breaker, which includes a power supply, an upper disconnecting switch, a circuit breaker, a lower disconnecting switch, a main body and a fixing base, wherein the power supply fixes the top end of the main body, the upper disconnecting switch fixes the upper right side of the main body, the fixing base fixes the middle left side of the main body, the lower disconnecting switch fixes the lower right side of the main body, and the fixing base is connected with the circuit breaker; the breaker comprises a shell, a base, a protection spring, a static end cover plate, a movable end cover plate, a corrugated pipe, a bolt, a lower connecting column, a static contact, a connecting block, a movable contact, a fixing block, a connecting rod, a heat dissipation rod, an upper connecting column and a fixing column. The device that this patent provided is at the practical application in-process, airtight effect is relatively poor, can't detect vacuum fast accurately, and the device that this patent provided simultaneously, the installation is comparatively complicated, need consume more manpower and time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a vacuum circuit breaker with vacuum degree monitoring.
In order to achieve the purpose, the utility model adopts the following technical scheme: a vacuum circuit breaker with vacuum degree monitoring comprises a box body, wherein the left side and the right side of the bottom of the box body are fixedly connected with a fixed plate, the middle position of the top of the box body is fixedly connected with three second insulating cylinders which are uniformly distributed, the top positions of the second insulating cylinders are fixedly connected with first insulating cylinders, the middle positions of the front ends of the three first insulating cylinders are all penetrated and fixedly connected with a pressure sensor, the top positions of the three first insulating cylinders are all fixedly connected with binding posts, the bottom positions of the three binding posts are all fixedly connected with fixed contact rods, the central positions of the bottom parts of the three first insulating cylinders are all penetrated and slidably connected with movable contact rods, the inner walls of the three first insulating cylinders are all fixedly connected with a functional layer, and the inner side of the outer surface of the functional layer is provided with an adhesive layer, and the bonding layer is made of silicon rubber, an insulating layer is fixedly connected to the inner side of the bonding layer, and the insulating layer is made of titanium oxide.
As a further description of the above technical solution:
the left side position of the front end of the box body is rotatably connected with a switching-on/off handle, and the bottom position of the right side of the front end of the box body is fixedly connected with a grounding nut.
As a further description of the above technical solution:
the right side position of the front end of the box body is rotationally connected with an energy storage handle.
As a further description of the above technical solution:
two the fixed plate bottom four corners position all runs through and is provided with the screw, two both ends intermediate position all runs through and is provided with the spout around the fixed plate.
As a further description of the above technical solution:
the equal fixedly connected with rings in box top four corners position, it is three inside all being provided with the explosion chamber of first insulation section of thick bamboo.
As a further description of the above technical solution:
the outer surfaces of the first insulating cylinder and the second insulating cylinder are all penetrated and fixedly connected with corrugated sleeves and the corrugated sleeves are made of silicone rubber, and the first insulating cylinder and the second insulating cylinder are made of polyester glass fiber reinforced plastic.
As a further description of the above technical solution:
and the bottom positions of the three movable contact rods are fixedly connected with conducting rods, and the conducting rods are positioned inside the second insulating cylinder.
As a further description of the above technical solution:
the other ends of the fixed contact rod and the movable contact rod are fixedly connected with contacts, and the two contacts are not in contact.
The utility model has the following beneficial effects:
1. according to the utility model, the functional layer is arranged on the inner wall of the first insulating cylinder, so that a good airtight insulating effect can be achieved, meanwhile, the corrugated sleeve made of silicone rubber is arranged on the outer surface of the insulating cylinder, so that the effects of insulating and protecting the inner insulating cylinder from being damaged are achieved, the pressure sensor on the first insulating cylinder is used for detecting the pressure of the arc extinguish chamber, the pressure value is transmitted to an external terminal, the relative pressure is obtained, and then the vacuum degree of the device is obtained through conversion between the relative pressure and the relative vacuum degree, so that the vacuum degree of the device is fast and accurate.
2. According to the device, when the device is installed, the steel wire rope can penetrate through the hanging ring, the device is hoisted through the crane, the device slides into the installation frame through the sliding groove to be positioned, then the device is fixed on the installation frame through the screw hole by screws, the device can be installed quickly and accurately, the installation convenience of the device is greatly improved, and the working time is saved.
Drawings
Fig. 1 is a perspective view of a vacuum circuit breaker with vacuum degree monitoring according to the present invention;
fig. 2 is a structural view of the inside of a first insulating cylinder and a second insulating cylinder of a vacuum circuit breaker with vacuum degree monitoring according to the present invention;
fig. 3 is a structural view of a fixed plate of a vacuum circuit breaker with vacuum degree monitoring according to the present invention;
fig. 4 is a functional layer structure diagram of a vacuum circuit breaker with vacuum degree monitoring according to the present invention.
Illustration of the drawings:
1. a fixing plate; 2. a hoisting ring; 3. a pressure sensor; 4. a corrugated sleeve; 5. a binding post; 6. a box body; 7. a ground nut; 8. an energy storage handle; 9. a switching-on and switching-off handle; 10. a first insulating cylinder; 11. an arc extinguishing chamber; 12. a second insulating cylinder; 13. a conductive rod; 14. a movable contact rod; 15. a functional layer; 16. a contact; 17. a stationary feeler lever; 18. a screw hole; 19. a chute; 20. an insulating layer; 21. and (6) bonding layers.
Detailed Description
Referring to fig. 1-4, one embodiment of the present invention is provided: a vacuum circuit breaker with vacuum degree monitoring function comprises a box body 6, wherein the left side and the right side of the bottom of the box body 6 are fixedly connected with a fixing plate 1, the middle position of the top of the box body 6 is fixedly connected with three second insulating cylinders 12 which are uniformly distributed, the top position of each second insulating cylinder 12 is fixedly connected with a first insulating cylinder 10, the middle positions of the front ends of the three first insulating cylinders 10 are all penetrated and fixedly connected with a pressure sensor 3, the top positions of the three first insulating cylinders 10 are all fixedly connected with binding posts 5, the bottom positions of the three binding posts 5 are all fixedly connected with fixed contact rods 17, the central positions of the bottoms of the three first insulating cylinders 10 are all penetrated and slidably connected with movable contact rods 14, the inner walls of the three first insulating cylinders 10 are all fixedly connected with a functional layer 15, the inner side of the outer surface of the functional layer 15 is provided with a bonding layer 21, the bonding layer 21 is made of silicon rubber, the inner side of the bonding layer 21 is fixedly connected with an insulating layer 20, and the insulating layer 20 is made of titanium oxide, inside vacuum interrupter 11 that is provided with at first insulating cylinder 10, in order to guarantee absolute vacuum environment, install functional layer 15 on first insulating cylinder 10 inner wall, can play fine airtight insulating effect, there is the ripple cover 4 of silicone rubber material at insulating cylinder surface mounting simultaneously, play insulating and the effect that protects inside insulating cylinder not receive the destruction, pressure sensor 3 through on the first insulating cylinder 10 carries out pressure detection to interrupter 11, transmit pressure value to external terminal, obtain relative pressure, then the conversion between relative pressure and the relative vacuum degree of rethread, reach the vacuum degree of device, it is quick and accurate.
The left side position of the front end of the box body 6 is rotationally connected with a switching-on/off handle 9, the right side position of the front end of the box body 6 is fixedly connected with a grounding nut 7, the right side position of the front end of the box body 6 is rotationally connected with an energy storage handle 8, four corners of the bottom of the two fixing plates 1 are all penetrated and provided with screw holes 18, the middle positions of the front and rear ends of the two fixing plates 1 are all penetrated and provided with sliding grooves 19, four corners of the top of the box body 6 are all fixedly connected with lifting rings 2, an arc extinguishing chamber 11 is arranged inside the three first insulating cylinders 10, the outer surfaces of the first insulating cylinders 10 and the second insulating cylinders 12 are all penetrated and fixedly connected with corrugated sleeves 4, the corrugated sleeves 4 are made of silicone rubber, the first insulating cylinders 10 and the second insulating cylinders 12 are made of polyester glass fiber reinforced plastic, the bottom positions of the three movable contact rods 14 are all fixedly connected with conductive rods 13, the conductive rods 13 are positioned inside the second insulating cylinders 12, the other ends of the fixed contact rods 17 and the movable contact rods 14 are all fixedly connected with contacts 16, and the two contacts 16 are not contacted, when the device is installed, the steel wire rope can penetrate through the lifting ring 2, the device is hoisted through the crane, the device slides into the mounting frame to be positioned through the sliding groove 19 when being hoisted to the installation position, the device is fixed on the mounting frame through the screw hole 18 by screws after the device is positioned accurately, the device can be installed quickly and accurately, the installation convenience of the device is greatly improved, and the working time is saved.
The working principle is as follows: firstly, a vacuum arc extinguish chamber 11 is arranged in a first insulating cylinder 10, in order to ensure an absolute vacuum environment, a functional layer 15 is arranged on the inner wall of the first insulating cylinder 10, so that a good airtight insulating effect can be achieved, meanwhile, a corrugated sleeve 4 made of silicone rubber is arranged on the outer surface of the insulating cylinder, so that the effect of insulating and protecting the inner insulating cylinder from being damaged is achieved, pressure detection is carried out on the arc extinguish chamber 11 through a pressure sensor 3 on the first insulating cylinder 10, pressure values are transmitted to an external terminal to obtain relative pressure, then the vacuum degree of the device is obtained through conversion between the relative pressure and the relative vacuum degree, the device is rapid and accurate, when the device is installed, a steel wire rope can pass through a lifting ring 2, the device is lifted to an installation part through a crane, the device is slid into a mounting frame to be positioned through a chute 19, and is positioned through a screw hole 18 after the positioning is accurate, fix the device on the mounting bracket, can install the device fast accurately, very big hoisting device's installation convenience practices thrift operating time.
Claims (8)
1. The utility model provides a vacuum circuit breaker with vacuum monitoring, includes box (6), its characterized in that: the left side and the right side of the bottom of the box body (6) are fixedly connected with a fixing plate (1), the middle position of the top of the box body (6) is fixedly connected with three second insulating cylinders (12) which are uniformly distributed, the top of each second insulating cylinder (12) is fixedly connected with a first insulating cylinder (10), the middle positions of the front ends of the three first insulating cylinders (10) are all penetrated and fixedly connected with a pressure sensor (3), the top of each first insulating cylinder (10) is all fixedly connected with a binding post (5), the bottom of each binding post (5) is all fixedly connected with a fixed contact rod (17), the center positions of the bottom of the three first insulating cylinders (10) are all penetrated and slidably connected with a movable contact rod (14), the inner walls of the three first insulating cylinders (10) are all fixedly connected with a functional layer (15), and the inner side of the outer surface of the functional layer (15) is provided with a bonding layer (21), the bonding layer (21) is made of silicon rubber, the insulating layer (20) is fixedly connected to the inner side of the bonding layer (21), and the insulating layer (20) is made of titanium oxide.
2. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the left side position of the front end of the box body (6) is rotatably connected with a switching-on/off handle (9), and the bottom position of the right side of the front end of the box body (6) is fixedly connected with a grounding nut (7).
3. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the right side position of the front end of the box body (6) is rotationally connected with an energy storage handle (8).
4. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the four corners of the bottoms of the two fixing plates (1) are penetrated and provided with screw holes (18), and the middle positions of the front end and the rear end of the two fixing plates (1) are penetrated and provided with sliding grooves (19).
5. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the four corners of the top of the box body (6) are fixedly connected with lifting rings (2), and an arc extinguish chamber (11) is arranged inside each first insulation cylinder (10).
6. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the outer surfaces of the first insulating cylinder (10) and the second insulating cylinder (12) are all penetrated and fixedly connected with corrugated sleeves (4) and the corrugated sleeves (4) are made of silicone rubber, and the first insulating cylinder (10) and the second insulating cylinder (12) are made of polyester glass fiber reinforced plastic.
7. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the bottom positions of the three movable contact rods (14) are fixedly connected with conducting rods (13), and the conducting rods (13) are positioned in the second insulating cylinder (12).
8. A vacuum interrupter with vacuum degree monitoring as claimed in claim 1, characterized in that: the other ends of the fixed contact rod (17) and the movable contact rod (14) are fixedly connected with contacts (16), and the two contacts (16) are not contacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244090.9U CN216902669U (en) | 2022-01-29 | 2022-01-29 | Vacuum circuit breaker with vacuum degree monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220244090.9U CN216902669U (en) | 2022-01-29 | 2022-01-29 | Vacuum circuit breaker with vacuum degree monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902669U true CN216902669U (en) | 2022-07-05 |
Family
ID=82184003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220244090.9U Active CN216902669U (en) | 2022-01-29 | 2022-01-29 | Vacuum circuit breaker with vacuum degree monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902669U (en) |
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2022
- 2022-01-29 CN CN202220244090.9U patent/CN216902669U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: 430000 Donghu New Technology Development Zone, Wuhan, Hubei Province, China. Lot 3, Guandong Science and Technology Industrial Park, Building 3-2, 1st Floor, No. 01-9 (Wuhan Area of Free Trade Zone) (multiple photos of one site) Patentee after: Shengchuangda (Wuhan) Technology Co.,Ltd. Address before: 213000 Zou Qu Zhen Xin Jie, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: Changzhou Senyuan Jiangnan Electric Appliance Co.,Ltd. |
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| TR01 | Transfer of patent right |