CN217507195U - Outdoor high-voltage vacuum demarcation circuit breaker - Google Patents
Outdoor high-voltage vacuum demarcation circuit breaker Download PDFInfo
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- CN217507195U CN217507195U CN202221240517.4U CN202221240517U CN217507195U CN 217507195 U CN217507195 U CN 217507195U CN 202221240517 U CN202221240517 U CN 202221240517U CN 217507195 U CN217507195 U CN 217507195U
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Abstract
The utility model discloses an outdoor high-voltage vacuum boundary breaker, which comprises a boundary breaker box body and a vacuumizing assembly; boundary breaker box: the upper surface array of the boundary breaker box body is provided with connecting seats, the upper surfaces of the connecting seats are fixedly connected with vacuum protective covers, the outer cambered surfaces of the lower ends of the vacuum protective covers are provided with connecting flanges, the connecting flanges are fixedly connected with the upper surfaces of the connecting seats through bolts arranged in the array, and the lower ends of the vacuum protective covers are respectively inserted into slots arranged at the upper ends of the corresponding connecting seats; a vacuumizing assembly: set up in the left surface of boundary circuit breaker box, evacuation subassembly communicates with the inside of three vacuum protection casing respectively, and this outdoor high pressure vacuum boundary circuit breaker improves the protective properties to utmost point post through enlarging the vacuum environment scope that utmost point post was located, detects and adjusts vacuum degree automatically, has reduced the potential safety hazard.
Description
Technical Field
The utility model relates to a boundary circuit breaker technical field specifically is an outdoor high-pressure vacuum boundary circuit breaker.
Background
The demarcation circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and closing, carrying and opening/closing a current under an abnormal circuit condition within a predetermined time. The demarcation circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the demarcation of the high-voltage and low-voltage borderlines is fuzzy, and the demarcation is generally called as a high-voltage electric appliance with the voltage of more than 3 kV. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-and-under-heat relay and the like, parts do not need to be changed after the fault current is cut off, the existing demarcation circuit breaker adopts a single-layer vacuum insulation structure, the sealing structure inside the vacuum ceramic tube is easy to age after long-time outdoor use, the vacuum ceramic tube loses the sealing performance, the inside of the vacuum ceramic tube is in a non-vacuum state and loses the insulating performance, the hidden trouble is not easy to be found in inspection, and the existing vacuum demarcation circuit breaker cannot automatically detect and adjust the internal vacuum degree.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an outdoor high pressure vacuum boundary circuit breaker, improve the protective properties to utmost point post through enlarging the vacuum environment scope that utmost point post was located, detect and adjust vacuum automatically, reduced the potential safety hazard, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an outdoor high-voltage vacuum demarcation circuit breaker comprises a demarcation circuit breaker box body and a vacuumizing assembly;
boundary breaker box: the upper surface array of the boundary breaker box body is provided with connecting seats, and the upper surfaces of the connecting seats are fixedly connected with vacuum protective covers;
a vacuumizing assembly: set up in the left surface of boundary circuit breaker box, evacuation subassembly communicates with the inside of three vacuum protection casing respectively, improves the protective properties to utmost point post through enlarging the vacuum environment scope that utmost point post was located, detects and adjusts vacuum degree automatically, has reduced the potential safety hazard.
Further, the outer cambered surface of the lower end of the vacuum protective cover is provided with a connecting flange, and the connecting flange is fixedly connected with the upper surface of the connecting seat through the bolts arranged in the array, so that the connection firmness is improved.
Further, inside the slot that the lower extreme of vacuum protection casing was pegged graft respectively and is set up in the connecting seat upper end that corresponds, it has sealed glue to fill between the slot inner wall of the outer cambered surface of lower extreme of vacuum protection casing and connecting seat, seals the junction of vacuum protection casing and connecting seat, avoids gas leakage.
Further, still including sealed the pad, sealed pad sets up between the lower surface of flange and the upper surface of connecting seat, and the inside of sealed pad is equipped with the through-hole that corresponds with the bolt, further improves sealing performance.
Further, the inner wall upper end of vacuum protection casing is equipped with the separator box, and the outer cambered surface fixed connection of the spliced pole that the bottom plate of separator box and utmost point post upper end set up, the inlet wire hole position that the left end of separator box and vacuum protection casing lateral wall upper end set up corresponds, and the inlet wire hole left end of vacuum protection casing is equipped with insulating pipe, carries out the separation to external cable, avoids the inside vacuum of cable influence vacuum protection casing.
Further, the evacuation subassembly includes vacuum pump, pipe and solenoid valve, the vacuum pump sets up in the left surface of boundary circuit breaker box, the one end of pipe respectively with the cross connection fixed connection that the vacuum pump air inlet set up, the other end of pipe respectively with the inside intercommunication of three vacuum protection casing, the solenoid valve is established ties respectively in the middle part of pipe, the input of vacuum pump and solenoid valve all is connected with the singlechip output electricity that boundary circuit breaker box upper surface set up, external power source is connected to the input electricity of singlechip, the upper end of vacuum protection casing all is equipped with the digital vacuum meter, the input of singlechip is connected to the output electricity of digital vacuum meter, monitors and adjusts the inside vacuum degree of vacuum protection casing automatically.
Furthermore, the outer cambered surfaces of the vacuum protective covers are provided with reflecting films to reflect external illumination and reduce heat accumulation.
Compared with the prior art, the beneficial effects of the utility model are that: this outdoor high pressure vacuum boundary circuit breaker has following benefit:
the high-voltage wire penetrates through the insulating guide pipe to be fixedly connected with the connecting column, the insulating guide pipe plays a role in protecting the high-voltage wire and prevents objects such as external leaves from being lapped between the two high-voltage wire ends to cause short circuit, the inside of the vacuum porcelain pipe is in a high vacuum state and can play a role in arc extinction when a contact of a pole contact is contacted, the single chip microcomputer starts the vacuum pump and the electromagnetic valve, the electromagnetic valve is opened, the vacuum pump vacuumizes the inside of the vacuum protective cover, when the digital vacuum meter detects that the vacuum degree inside the vacuum protective cover reaches a set value, the single chip microcomputer is controlled to turn off the vacuum pump and the electromagnetic valve, the digital vacuum meter monitors the vacuum degree inside the vacuum protective cover in real time, when the inside of the vacuum porcelain pipe is not tightly sealed due to aging, the inside of the vacuum protective cover is also in a vacuum state, potential safety hazards caused by damage of the vacuum porcelain pipe can be effectively avoided, and the reflecting film reflects external light, reduce thermal gathering, this outdoor high pressure vacuum boundary circuit breaker improves the protective properties to utmost point post through enlarging the vacuum environment scope that utmost point post was located, detects and adjusts the vacuum degree automatically, has reduced the potential safety hazard.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the a position of the present invention.
In the figure: the circuit breaker comprises a 1-boundary circuit breaker box body, 2 vacuum porcelain tubes, 3 single-chip microcomputers, 4 connecting columns, 5 connecting seats, 6 vacuum protective covers, 61 connecting flanges, 7 vacuumizing assemblies, 71 vacuum pumps, 72 guide pipes, 73 electromagnetic valves, 8 separating boxes, 9 insulating guide pipes, 10 digital vacuum meters, 11 reflective films, 12 sealants, 13 sealing gaskets and 14 pole columns.
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. 1-2, the present embodiment provides a technical solution: an outdoor high-voltage vacuum demarcation circuit breaker comprises a demarcation circuit breaker box body 1 and a vacuumizing assembly 7;
boundary circuit breaker box 1: the upper surface array of the vacuum circuit breaker box body 1 is provided with a connecting seat 5, the upper surface of the connecting seat 5 is fixedly connected with a vacuum protective cover 6, a digital vacuum meter 10 monitors the vacuum degree in the vacuum protective cover 6 in real time, when the vacuum circuit breaker box body 2 is not tightly sealed due to aging, the inside of the vacuum protective cover 6 is also in a vacuum state, so that potential safety hazards caused by damage of the vacuum circuit breaker 2 can be effectively avoided, the outer cambered surfaces of the vacuum protective cover 6 are provided with reflecting films 11 which reflect external illumination and reduce heat accumulation, a separation box 8 is arranged at the upper end of the inner wall of the vacuum protective cover 6, the bottom plate of the separation box 8 is fixedly connected with the outer cambered surface of a connecting column 4 arranged at the upper end of the pole 14, the left end of the separation box 8 corresponds to the position of a wire inlet hole arranged at the upper end of the side wall of the vacuum protective cover 6, the left end of the wire inlet hole of the vacuum protective cover 6 is provided with an insulating guide pipe 9 for separating an external cable and preventing the cable from influencing the vacuum degree inside the vacuum protective cover 6, the outer arc surfaces of the lower end of the vacuum protective cover 6 are provided with connecting flanges 61, the connecting flanges 61 are fixedly connected with the upper surface of the connecting seat 5 through bolts arranged in an array manner, the connection firmness is improved, the lower end of the vacuum protective cover 6 is respectively inserted into the corresponding slots arranged at the upper end of the connecting seat 5, and sealant 12 is filled between the outer arc surfaces of the lower end of the vacuum protective cover 6 and the inner walls of the slots of the connecting seat 5, seal the junction of vacuum protection cover 6 and connecting seat 5, avoid gas leakage, still include sealed pad 13, sealed pad 13 sets up between the lower surface of flange 61 and the upper surface of connecting seat 5, and the inside of sealed pad 13 is equipped with the through-hole that corresponds with the bolt, further improves sealing performance.
And (3) a vacuumizing assembly 7: the vacuum pumping assembly 7 is respectively communicated with the interiors of three vacuum protective covers 6, the vacuum pumping assembly 7 comprises a vacuum pump 71, a conduit 72 and an electromagnetic valve 73, the vacuum pump 71 is arranged on the left side surface of the demarcation circuit breaker box body 1, one end of the conduit 72 is respectively fixedly connected with a four-way joint arranged at an air inlet of the vacuum pump 71, the other end of the conduit 72 is respectively communicated with the interiors of the three vacuum protective covers 6, the electromagnetic valves 73 are respectively connected in series in the middle of the conduit 72, the input ends of the vacuum pump 71 and the electromagnetic valve 73 are respectively and electrically connected with the output end of a single chip microcomputer 3 arranged on the upper surface of the demarcation circuit breaker box body 1, the input end of the single chip microcomputer 3 is electrically connected with an external power supply, the upper ends of the vacuum protective covers 6 are respectively provided with a digital vacuum meter 10, the output end of the digital vacuum meter 10 is electrically connected with the input end of the single chip microcomputer 3, the vacuum pump 71 and the electromagnetic valves 73 are started through the single chip microcomputer 3, the electromagnetic valve 73 is opened, the vacuum pump 71 vacuumizes the inside of the vacuum protection cover 6, and when the digital vacuum meter 10 detects that the vacuum degree inside the vacuum protection cover 6 reaches a set value, the single chip microcomputer 3 is controlled to close the vacuum pump 71 and the electromagnetic valve 73, so that the vacuum degree inside the vacuum protection cover 6 is automatically monitored and adjusted.
The utility model provides a pair of outdoor high pressure vacuum boundary circuit breaker's theory of operation as follows:
the high-voltage wire penetrates through the insulating guide pipe 9 to be fixedly connected with the connecting column 4, the insulating guide pipe 9 plays a role in protecting the high-voltage wire and prevents objects such as external leaves from being lapped between the ends of the two high-voltage wires to cause short circuit, the inside of the vacuum porcelain pipe 2 is in a high vacuum state and can play an arc extinguishing role when a contact of the pole 14 is contacted, the single chip microcomputer 3 starts the vacuum pump 71 and the electromagnetic valve 73, the electromagnetic valve 73 is opened, the vacuum pump 71 vacuumizes the inside of the vacuum protective cover 6, when the digital vacuum meter 10 detects that the vacuum degree inside the vacuum protective cover 6 reaches a set value, the single chip microcomputer 3 is controlled to close the vacuum pump 71 and the electromagnetic valve 73, the digital vacuum meter 10 monitors the vacuum degree inside the vacuum protective cover 6 in real time, when the inside of the vacuum porcelain pipe 2 is not tightly sealed due to aging, the inside of the vacuum protective cover 6 is also in a vacuum state, and potential safety hazards caused by the damage of the vacuum porcelain pipe 2 can be effectively avoided, the reflective film 11 reflects external light to reduce heat accumulation.
It should be noted that the vacuum pump 71, the electromagnetic valve 73 and the digital vacuum gauge 10 disclosed in the above embodiments can be freely configured according to actual application scenarios, the vacuum pump 71 is suggested to be an HP-0200V oil-free mute vacuum pump, the digital vacuum gauge 10 can be a PRD digital display pirani vacuum gauge, and the single chip microcomputer 3 controls the vacuum pump 71, the electromagnetic valve 73 and the digital vacuum gauge 10 to work by a method commonly used in the prior art.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (7)
1. An outdoor high-voltage vacuum demarcation circuit breaker which characterized in that: comprises a demarcation circuit breaker box body (1) and a vacuum pumping assembly (7);
demarcation circuit breaker box (1): the upper surface of the vacuum circuit breaker box body (1) is provided with a vacuum ceramic tube (2) in an array manner, the interior of the vacuum ceramic tube (2) is provided with a pole post (14), the upper surface of the demarcation circuit breaker box body (1) is provided with a connecting seat (5) in an array manner, and the upper surface of the connecting seat (5) is fixedly connected with a vacuum protective cover (6);
evacuation assembly (7): the vacuum pumping assembly is arranged on the left side face of the demarcation circuit breaker box body (1), and the vacuum pumping assembly (7) is communicated with the interiors of the three vacuum protective covers (6) respectively.
2. An outdoor high-voltage vacuum demarcation circuit breaker according to claim 1, characterized in that: the outer cambered surface of the lower end of the vacuum protective cover (6) is provided with a connecting flange (61), and the connecting flange (61) is fixedly connected with the upper surface of the connecting seat (5) through the bolts arranged in an array.
3. An outdoor high-voltage vacuum demarcation circuit breaker according to claim 1, characterized in that: the lower end of the vacuum protective cover (6) is respectively inserted into the slots arranged at the upper ends of the corresponding connecting seats (5), and sealant (12) is filled between the outer arc surface of the lower end of the vacuum protective cover (6) and the inner walls of the slots of the connecting seats (5).
4. An outdoor high voltage vacuum demarcation circuit breaker according to claim 2, characterized in that: still including sealed pad (13), sealed pad (13) set up between the lower surface of flange (61) and the upper surface of connecting seat (5), and the inside of sealed pad (13) is equipped with the through-hole that corresponds with the bolt.
5. An outdoor high-voltage vacuum demarcation circuit breaker according to claim 1, characterized in that: the inner wall upper end of vacuum protection casing (6) is equipped with separator box (8), and the bottom plate of separator box (8) and spliced pole (4) extrados fixed connection that utmost point post (14) upper end set up, the inlet wire hole position that the left end and the vacuum protection casing (6) lateral wall upper end of separator box (8) set up corresponds, and the inlet wire hole left end of vacuum protection casing (6) is equipped with insulating pipe (9).
6. An outdoor high-voltage vacuum demarcation circuit breaker according to claim 1, characterized in that: the vacuum-pumping assembly (7) comprises a vacuum pump (71), a conduit (72) and an electromagnetic valve (73), the vacuum pump (71) is arranged on the left side surface of the demarcation circuit breaker box body (1), one end of the conduit (72) is fixedly connected with a four-way joint arranged at the air inlet of the vacuum pump (71) respectively, the other end of the conduit (72) is communicated with the interiors of the three vacuum protective covers (6) respectively, solenoid valve (73) are established ties respectively in the middle part of pipe (72), the input of vacuum pump (71) and solenoid valve (73) all is connected with singlechip (3) output electricity that boundary circuit breaker box (1) upper surface set up, and external power source is connected to the input electricity of singlechip (3), and the upper end of vacuum protection casing (6) all is equipped with digital vacuum meter (10), and the input of singlechip (3) is connected to the output electricity of digital vacuum meter (10).
7. An outdoor high-voltage vacuum demarcation circuit breaker according to claim 1, characterized in that: and the outer cambered surfaces of the vacuum protective covers (6) are provided with reflective films (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221240517.4U CN217507195U (en) | 2022-05-23 | 2022-05-23 | Outdoor high-voltage vacuum demarcation circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221240517.4U CN217507195U (en) | 2022-05-23 | 2022-05-23 | Outdoor high-voltage vacuum demarcation circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217507195U true CN217507195U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221240517.4U Active CN217507195U (en) | 2022-05-23 | 2022-05-23 | Outdoor high-voltage vacuum demarcation circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217507195U (en) |
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2022
- 2022-05-23 CN CN202221240517.4U patent/CN217507195U/en active Active
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