CN210897120U - Box-sharing high-voltage vacuum circuit breaker with safe voltage - Google Patents
Box-sharing high-voltage vacuum circuit breaker with safe voltage Download PDFInfo
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- CN210897120U CN210897120U CN201921969643.1U CN201921969643U CN210897120U CN 210897120 U CN210897120 U CN 210897120U CN 201921969643 U CN201921969643 U CN 201921969643U CN 210897120 U CN210897120 U CN 210897120U
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- vacuum circuit
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Abstract
The utility model relates to the technical field of transformers, and discloses a common-box type high-voltage vacuum circuit breaker with safe voltage, which comprises a control box, wherein a plug is fixedly arranged at the bottom of the control box, the front left side of the control box is rotationally connected with a manual energy storage handle, the back of the manual energy storage handle is rotationally connected with an insulating rod, one end of the insulating rod, which is far away from the manual energy storage handle, is rotationally connected with a rotating shaft, and the back of the rotating shaft is rotationally connected with an energy storage spring; the common-box type high-voltage vacuum circuit breaker with the safe voltage is of a common-box type structure consisting of airtight insulating shells of a control box, the common-box type high-concentration structure can be dustproof and maintenance-free, and is simpler and more convenient to install and operate by using electricity, when a contact is subjected to arc extinguishing operation in a vacuum arc extinguishing chamber, a colloid insulating sealing layer is additionally arranged through a brand-new design to isolate SF6 gas, the assembly requirement is reduced, and meanwhile, the environmental pollution of ozone layer damage caused by SF6 gas leakage is eliminated.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is a box high-pressure vacuum circuit breaker altogether with safe voltage.
Background
The high-voltage vacuum circuit breaker is named after the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum, has the advantages of small volume, light weight and suitability for frequent operation and arc extinguishing, and is popularized in power distribution networks. The high-voltage vacuum circuit breaker can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations.
The existing high-voltage vacuum circuit breaker is not suitable for complicated and severe natural environments such as plateau and high pollution due to small arc climbing specific distance, the existing high-voltage vacuum circuit breaker sets 220V voltage for meeting sufficient power, but the high-voltage vacuum circuit breaker is easy to cause safety accidents, the existing high-voltage vacuum circuit breaker does not adopt a common-box structure, the problems of inconvenient installation and poor sealing performance are caused, SF6 gas is filled in the existing high-voltage vacuum circuit breaker to enhance insulation between each electric conductor and a protective shell, the traditional high-voltage vacuum circuit breaker is not isolated by insulating media, and the ozone layer is easy to leak out to cause environmental pollution caused by ozone layer damage.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a be box high-pressure vacuum circuit breaker altogether with safe voltage possesses to adopt box structure altogether can prevent dust and non-maintaining and installation and power consumption operation are more simple and direct, climb the arc than apart from great, circuit voltage safety prevents the advantage of gaseous leakage, has solved current high-pressure vacuum circuit breaker and has climbed the arc than apart from little, does not adopt box structure altogether, and voltage is too big, the gaseous problem of leaking.
(II) technical scheme
Adopt to be dustproof and non-maintaining and installation and power consumption operation more simple and direct for realizing above-mentioned high-pressure vacuum circuit breaker adopts box structure altogether, climb the arc than apart from great, circuit voltage safety prevents the purpose that gaseous leaks, the utility model provides a following technical scheme: a box-sharing type high-voltage vacuum circuit breaker with safe voltage comprises a control box, wherein a plug is fixedly installed at the bottom of the control box, a manual energy storage handle is rotatably connected to the front left side of the control box, an insulating rod is rotatably connected to the back of the manual energy storage handle, a rotating shaft is rotatably connected to one end, away from the manual energy storage handle, of the insulating rod, an energy storage spring is rotatably connected to the back of the rotating shaft, an opening and closing indicating needle is rotatably connected to the front right side of the control box, an opening and closing handle is rotatably connected to the front bottom of the control box, an airtight insulating shell is fixedly connected to the back of the control box, a mounting seat is fixedly installed at the bottom of the airtight insulating shell, an insulating sleeve structure is arranged at the bottom of the left side wall of the airtight insulating shell, an inflation inlet is formed in the left side of the top of, the bottom of airtight insulating casing inner chamber is provided with vacuum interrupter, vacuum interrupter's inside is provided with the contact, vacuum interrupter's outside is provided with the flash barrier.
Preferably, the internal circuit of the high-voltage vacuum circuit breaker is DC24 DC operating voltage, the originally fixed operating voltage AC220 is set for satisfying sufficient power but is not human body safe electric shock voltage, safety accidents are continuously progressed along with popularization of power utilization environment, therefore, the high-voltage vacuum circuit breaker is changed to DC24 DC operating voltage, the DC power supply is stable in operation, reliable operation of the circuit breaker is guaranteed (after 2 ten thousand electric life tests), and 24V is human body safe voltage, even if equipment electric leakage occurs in the operation process, an operator can safely and automatically break away from danger.
Preferably, the insulating sleeve structure comprises a sleeve, a rubber sleeve is arranged outside the sleeve, the rubber sleeve is in an umbrella shape, the insulating climbing arc specific distance of the rubber sleeve is greatly increased, the increased climbing arc specific distance enables the product to be more suitable for complicated and severe natural environments such as plateau and high pollution, the original climbing arc specific distance of 41mm/KV is increased to 50mm/KV, and the using altitude is increased to more than 4000 KM.
Preferably, the hooks are provided with four groups and fixedly connected with the airtight insulating shell through bolts, and the hooks are favorable for simpler and more convenient installation of the high-voltage vacuum circuit breaker.
Preferably, a sealing layer is arranged between the arc isolating plate and the vacuum arc-extinguishing chamber, the sealing layer is made of colloid insulating materials, and due to the fact that the inner space of the vacuum arc-extinguishing chamber is limited, SF6 gas is filled to strengthen insulation between each conductor and the protection shell all the time, the product isolates SF6 gas by adding the colloid insulating sealing layer through a brand new design, assembly requirements are reduced, and meanwhile environmental pollution caused by ozone layer damage due to SF6 gas leakage is eliminated.
Preferably, the high-voltage vacuum circuit breaker is of a common-box type structure consisting of a control box and an airtight insulating shell, and the common-box type high-concentration structure can be dustproof and maintenance-free and is simpler and more convenient to install and operate by using electricity.
(III) advantageous effects
Compared with the prior art, the utility model provides a be total to box high-pressure vacuum circuit breaker with safe voltage possesses following beneficial effect:
1. the common-box type high-voltage vacuum circuit breaker with the safe voltage is of a common-box type structure consisting of airtight insulating shells of a control box, the common-box type high-concentration structure can be dustproof and maintenance-free, and is simpler and more convenient to install and operate by using electricity, when a contact is subjected to arc extinguishing operation in a vacuum arc extinguishing chamber, the inner space of the vacuum arc extinguishing chamber is limited, so that the insulation between each conductor and a protection shell is enhanced by filling SF6 gas traditionally, the SF6 gas is isolated by adding a colloid insulating sealing layer through a brand-new design, the assembly requirement is reduced, and the environmental pollution caused by ozone layer damage due to SF6 gas leakage is eliminated.
2. The common-box type high-concentration medium structure formed by the common-box type high-voltage vacuum circuit breaker box body with the safe voltage and the airtight insulating shell can have dust prevention and maintenance free and is simpler and more convenient to install and operate by using electricity, the rubber sleeve is arranged outside the pipe sleeve and is in an umbrella-shaped group, the insulating arc climbing specific distance of the rubber sleeve is greatly enhanced, the product can be more suitable for complicated and severe natural environments such as plateau and high pollution by the increased arc climbing specific distance, the original arc climbing specific distance of 41mm/KV is improved to 50mm/KV, the using altitude is improved to more than 4000KM, the operating voltage AC220 of the original high-voltage vacuum circuit breaker is set for meeting sufficient power but is not human body safe electric shock voltage, safety accidents are continuously evolved along with popularization of the electricity using environment, and therefore the high-voltage vacuum circuit breaker is changed into DC24 direct current operating voltage, the direct current power supply is stable in operation and ensures reliable action operation of the circuit breaker (after 2 ten thousand electrical life tests), and meanwhile, the 24V voltage is a human body safety voltage, so that even if equipment electric leakage occurs in the operation process, an operator can safely and automatically break away from danger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the structure of the insulating sleeve of the present invention.
In the figure: 1-a control box, 2-a split-combined indicating needle, 3-a split-combined handle, 4-a manual energy storage handle, 5-a mounting seat, 6-an insulating sleeve structure, 7-an airtight insulating shell, 8-an inflation inlet, 9-a hook, 10-a vacuum arc-extinguishing chamber, 11-a contact, 12-an arc-isolating plate, 13-an insulating rod, 14-a rotating shaft, 15-an energy storage spring, 16-a rubber sleeve, 17-a pipe sleeve and 18-a plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a common-box type high-voltage vacuum circuit breaker with safe voltage comprises a control box 1, a plug 18 is fixedly installed at the bottom of the control box 1, the internal circuit of the high-voltage vacuum circuit breaker is DC24 direct current operating voltage, the originally fixed operating voltage AC220 is set for satisfying sufficient power but non-human body safe electric shock voltage, safety accidents are continuously progressed along with popularization of power utilization environment, therefore, the high-voltage vacuum circuit breaker uses DC24 direct current operating voltage instead, a direct current power supply operates stably and ensures reliable operation of the circuit breaker (after 2 ten thousand electrical life tests), and 24V is human body safe voltage, even if equipment leakage occurs in the operating process, an operator can safely break away from danger, a manual energy storage handle 4 is rotatably connected to the left side of the front of the control box 1, and an insulating rod 13 is rotatably connected to the back of the manual energy storage handle 4, the insulating rod 13 is rotatably connected with a rotating shaft 14 at one end far away from the manual energy storage handle 4, the back of the rotating shaft 14 is rotatably connected with an energy storage spring 15, the right side of the front of the control box 1 is rotatably connected with a separation and combination indicator needle 2, the bottom of the front of the control box 1 is rotatably connected with a separation and combination handle 3, the back of the control box 1 is fixedly connected with an airtight insulating shell 7, the bottom of the airtight insulating shell 7 is fixedly provided with a mounting seat 5, the bottom of the left side wall of the airtight insulating shell 7 is provided with an insulating sleeve structure 6, the insulating sleeve structure 6 comprises a sleeve 17, the outside of the sleeve 17 is provided with a rubber sleeve 16, the rubber sleeve 16 is in an umbrella cluster shape, the insulating climbing arc ratio distance of the rubber sleeve is greatly enhanced, the increased climbing arc ratio distance can enable the product to be more suitable for complicated and severe natural environments such as plateau, high pollution and the like, and the original climbing arc ratio, the altitude of use is improved to be more than 4000KM, the left side of the top of the airtight insulating shell 7 is provided with an air charging port 8, the top of the airtight insulating shell 7 is fixedly provided with four groups of hooks 9, the hooks 9 are fixedly connected with the airtight insulating shell 7 through bolts, the installation of a high-voltage vacuum circuit breaker is more simple and convenient by arranging the hooks 9, the bottom of the inner cavity of the airtight insulating shell 7 is provided with a vacuum arc-extinguishing chamber 10, the inside of the vacuum arc-extinguishing chamber 10 is provided with a contact 11, the outside of the vacuum arc-extinguishing chamber 10 is provided with an arc-isolating plate 12, a sealing layer is arranged between the arc-isolating plate 12 and the vacuum arc-extinguishing chamber 10, the sealing layer is made of colloid insulating material, and because the inner space of the vacuum arc-extinguishing chamber 10 is limited, the insulation between each electric conductor and the protective shell is enhanced by filling SF6 gas, the high-voltage vacuum circuit breaker has the advantages that the assembly requirement is reduced, the environmental pollution of ozone layer damage caused by SF6 gas leakage is eliminated, the high-voltage vacuum circuit breaker is of a common box type structure and a common box type high centralized structure consisting of the airtight insulating shells 7 of the control box 1, and the high-voltage vacuum circuit breaker is dustproof, free of maintenance and simpler and more convenient to install and operate by using electricity.
The working principle is as follows:
when the high-voltage vacuum circuit breaker is used, the manual energy storage handle 4 is pulled to drive the insulating rod 13 to rotate, the insulating rod 13 rotates to drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the energy storage spring 15 to compress, energy storage is realized, the repeated operation is carried out for 7-8 times, when the energy storage is finished, the opening and closing functions are realized by rotating the opening and closing handle 3, the high-voltage vacuum circuit breaker is of a common-box structure consisting of the control box 1 and the airtight insulating shell 7, the common-box high-concentration structure can be dustproof and maintenance-free, the installation and the electric operation are simpler and more convenient, when the contact 11 is subjected to the arc extinguishing operation in the vacuum arc extinguishing chamber 10, the internal space of the vacuum arc extinguishing chamber 10 is limited, so the insulation between each electric conductor and the protective shell is traditionally enhanced by filling SF6 gas, a brand new SF6 gas is isolated by increasing a colloid, meanwhile, the environmental pollution of ozone layer damage caused by SF6 gas leakage is eliminated, the high-voltage vacuum circuit breaker is of a common-box type structure which is composed of a control box 1 and an airtight insulating shell 7, the common-box type high-concentration structure can be dustproof and maintenance-free, the installation and the electricity utilization operation are simpler and more convenient, a rubber sleeve 16 is arranged outside a pipe sleeve 17, the rubber sleeve 16 is in an umbrella-shaped group, the insulating arc climbing specific distance of the rubber sleeve is greatly enhanced, the product can be more suitable for complicated and severe natural environments such as plateau and high pollution due to the increased arc climbing specific distance, the original arc climbing specific distance of 41mm/KV is increased to 50mm/KV, the use altitude is increased to more than 4000KM, the operation voltage AC220 of the original high-voltage vacuum circuit breaker is set for meeting sufficient power but is not a human body safe electric shock voltage, and safety accidents are continuously developed along with the popularization of the electricity utilization environment, therefore, the high-voltage vacuum circuit breaker is changed to DC24 direct-current operating voltage, the direct-current power supply is stable in operation, reliable action operation of the circuit breaker is guaranteed (2 ten thousand electrical life tests), meanwhile, 24V is human body safety voltage, and even if equipment electric leakage occurs in the operation process, operators can safely break away from danger automatically.
To sum up, the common-box high-voltage vacuum circuit breaker with safe voltage is a common-box structure composed of an airtight insulating shell 7 of a control box 1, the common-box high-concentration structure can have dustproof and maintenance-free functions and is simpler and more convenient to install and operate by electricity, when the arc extinguishing operation is carried out on a contact 11 in a vacuum arc extinguishing chamber 10, the internal space of the vacuum arc extinguishing chamber 10 is limited, so the insulation between each conductor and a protective shell is enhanced by filling SF6 gas traditionally, the product isolates the SF6 gas by adding a colloid insulating sealing layer through a brand new design, the assembly requirement is reduced, the environmental pollution of ozone layer damage caused by SF6 gas leakage is eliminated, the common-box high-concentration structure composed of the control box 1 and the airtight insulating shell 7 of the high-voltage vacuum circuit breaker can have dustproof and maintenance-free functions and is simpler and more convenient to install and operate by electricity, the rubber sleeve 16 is arranged outside the pipe sleeve 17, the rubber sleeve 16 is in an umbrella shape, the insulating climbing arc specific distance of the rubber sleeve is greatly enhanced, the product can be more suitable for complicated and severe natural environments such as plateau and high pollution due to the increased climbing arc specific distance, the original climbing arc specific distance of 41mm/KV is increased to 50mm/KV, the using altitude is increased to more than 4000KM, the operating voltage AC220 of the original high-voltage vacuum circuit breaker is set for meeting sufficient power but is not a human body safe electric shock voltage, and safety accidents are continuously performed along with the popularization of power utilization environments, therefore, the high-voltage vacuum circuit breaker uses DC24 DC operating voltage instead, the DC power supply operates stably and ensures the reliable operation of the circuit breaker (after 2 ten thousand electrical life tests), and simultaneously 24V is human body safe voltage, even if equipment electric leakage occurs in the operation process, operators can safely and automatically break away from danger.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a be total to box high-pressure vacuum circuit breaker with safe voltage, includes control box (1), its characterized in that: the bottom of the control box (1) is fixedly provided with a plug (18), the front left side of the control box (1) is rotatably connected with a manual energy storage handle (4), the back of the manual energy storage handle (4) is rotatably connected with an insulating rod (13), one end, far away from the manual energy storage handle (4), of the insulating rod (13) is rotatably connected with a rotating shaft (14), the back of the rotating shaft (14) is rotatably connected with an energy storage spring (15), the front right side of the control box (1) is rotatably connected with a split-combined indicating needle (2), the front bottom of the control box (1) is rotatably connected with a split-combined handle (3), the back of the control box (1) is fixedly connected with an airtight insulating shell (7), the bottom of the airtight insulating shell (7) is fixedly provided with a mounting seat (5), and the bottom of the left side wall of the airtight insulating shell (7) is provided with an, inflation inlet (8) have been seted up in the left side at airtight insulating casing (7) top, the top fixed mounting of airtight insulating casing (7) has couple (9), the bottom of airtight insulating casing (7) inner chamber is provided with vacuum interrupter (10), the inside of vacuum interrupter (10) is provided with contact (11), the outside of vacuum interrupter (10) is provided with flash barrier (12).
2. A common-tank high-voltage vacuum circuit breaker with safety voltage according to claim 1, characterized in that: the internal circuit of the high-voltage vacuum circuit breaker is DC24 direct-current operating voltage.
3. A common-tank high-voltage vacuum circuit breaker with safety voltage according to claim 1, characterized in that: the insulating sleeve structure (6) comprises a sleeve (17), a rubber sleeve (16) is arranged outside the sleeve (17), and the rubber sleeve (16) is in an umbrella group shape.
4. A common-tank high-voltage vacuum circuit breaker with safety voltage according to claim 1, characterized in that: the hooks (9) are provided with four groups and are fixedly connected with the airtight insulating shell (7) through bolts.
5. A common-tank high-voltage vacuum circuit breaker with safety voltage according to claim 1, characterized in that: and a sealing layer is arranged between the arc isolating plate (12) and the vacuum arc-extinguishing chamber (10), and the sealing layer is made of colloid insulating material.
6. A common-tank high-voltage vacuum circuit breaker with safety voltage according to claim 1, characterized in that: the high-voltage vacuum circuit breaker is of a common box type structure consisting of a control box (1) and a gas-tight insulating shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921969643.1U CN210897120U (en) | 2019-11-15 | 2019-11-15 | Box-sharing high-voltage vacuum circuit breaker with safe voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921969643.1U CN210897120U (en) | 2019-11-15 | 2019-11-15 | Box-sharing high-voltage vacuum circuit breaker with safe voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210897120U true CN210897120U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921969643.1U Expired - Fee Related CN210897120U (en) | 2019-11-15 | 2019-11-15 | Box-sharing high-voltage vacuum circuit breaker with safe voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210897120U (en) |
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2019
- 2019-11-15 CN CN201921969643.1U patent/CN210897120U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20211115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |