CN115295353B - A zero-crossing high-voltage vacuum circuit breaker - Google Patents
A zero-crossing high-voltage vacuum circuit breakerInfo
- Publication number
- CN115295353B CN115295353B CN202210977108.0A CN202210977108A CN115295353B CN 115295353 B CN115295353 B CN 115295353B CN 202210977108 A CN202210977108 A CN 202210977108A CN 115295353 B CN115295353 B CN 115295353B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- box
- mounting block
- observation window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/167—Circuits for remote indication
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
本发明涉及高压真空断路器技术领域，尤其涉及一种过零分断高压真空断路器，包括中控箱、支撑架、绝缘筒、操作箱、开关门、散热孔、观察口、观察窗、导管、伸缩管和安装块，中控箱的顶端固定安装有多个绝缘筒，中控箱底端的两侧均固定安装有支撑架。本发明在无需打开开关门时，可通过观察窗对操作箱内部进行检查，通过设置的导管、伸缩管、安装块、监控摄像头、微型液压缸和旋钮的配合，通过微型液压缸运行带动伸缩杆推行，进一步带动弹簧移动对安装块施加下压力，使得伸缩管在受力后延长，进而带动安装块上设置的监控摄像头下移，可通过监控摄像头的移动调节内部观察位置。
This invention relates to the field of high-voltage vacuum circuit breaker technology, and more particularly to a zero-crossing high-voltage vacuum circuit breaker, comprising a central control box, a support frame, insulating cylinders, an operating box, a switch door, heat dissipation holes, an observation port, an observation window, a conduit, a telescopic tube, and a mounting block. Multiple insulating cylinders are fixedly installed on the top of the central control box, and support frames are fixedly installed on both sides of the bottom of the central control box. This invention allows for inspection of the interior of the operating box through the observation window when the switch door does not need to be opened. Through the coordination of the conduit, telescopic tube, mounting block, monitoring camera, miniature hydraulic cylinder, and knob, the miniature hydraulic cylinder drives the telescopic rod to move, further driving the spring to apply downward pressure to the mounting block. This causes the telescopic tube to extend under pressure, thereby moving the monitoring camera mounted on the mounting block downwards. The internal observation position can be adjusted by moving the monitoring camera.
Description
Technical Field
The invention relates to the technical field of high-voltage vacuum circuit breakers, in particular to a zero-crossing breaking high-voltage vacuum circuit breaker.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinction are both high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no maintenance for arc extinction, and is more popular in power distribution networks. The circuit breaker can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and substations, is particularly suitable for use places requiring oilless maintenance and frequent operation, and can be arranged in a centrally installed switchgear, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment. The zero-crossing breaking technology has great technical advantages compared with switches such as an alternating-current contactor, a silicon controlled rectifier or a solid-state relay, and the like, and has the advantages of integrating the advantages of the zero-crossing breaking technology and the switch, overcoming the defect of independent operation of the zero-crossing breaking technology and the solid-state relay, ensuring zero-current switching, no inrush current and no sintering of contacts.
However, the existing zero-crossing breaking high-voltage vacuum circuit breaker is not perfect in structure and has certain defects:
the existing vacuum circuit breaker is generally installed outdoors, maintenance personnel are required to regularly overhaul, and because the internal structure of the circuit breaker is complex, the normal operation of the device can be influenced if any problem occurs in the circuit breaker during infrequent overhaul, the situation of theft is easily caused if the central control part of the circuit breaker is opened well, the overhaul efficiency can be influenced if the circuit breaker is opened poorly, and the circuit breaker has certain limitation.
When the circuit breaker is installed, the stability of the circuit breaker needs to be maintained, and the circuit breaker needs to be connected with an external power supply circuit, if the shell ages and corrodes during installation, the position of the installation part of the circuit breaker is deviated, and the circuit breaker is easily pulled and broken to a certain extent with the external connection part, so that the circuit breaker has a certain danger.
Disclosure of Invention
The invention aims to provide a zero-crossing breaking high-voltage vacuum circuit breaker.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a zero passage divides disconnected high-voltage vacuum circuit breaker, including well accuse case, a supporting rack, the insulating cylinder, the operation box, the switch door, the louvre, the viewing aperture, the observation window, the pipe, flexible pipe, the installation piece, miniature pneumatic cylinder, the telescopic link, the spring, the knob, the display screen, the movable sleeve, first shielding curtain, the second shielding curtain, shielding frame, the baffle, the fixture block, a slide rail, the layer board, spacing, the draw-in groove, keep the box, place the chamber, the backplate, a panel, the recess, the rolling ball, contact button, siren and surveillance camera, the top fixed mounting of well accuse case has a plurality of insulating cylinders, the equal fixed mounting in both sides of well accuse case bottom has the support frame, the middle part fixed mounting of well accuse case bottom has the operation box, the switch door has been articulated to one side of operation box, the top of opening door has been seted up to the top of viewing aperture inner wall, the bottom fixedly mounted of observation window has the pipe, the one end fixedly connected with flexible pipe of pipe, the bottom fixedly connected with of flexible pipe.
Preferably, the back of the mounting block is fixedly provided with a monitoring camera, and one side of the front of the observation window is fixedly provided with a display screen.
Preferably, one end fixed mounting of pipe has miniature pneumatic cylinder, and the output fixedly connected with telescopic link of miniature pneumatic cylinder, the one end fixedly connected with spring of telescopic link, the one end of spring run through the inside of flexible pipe and with the top fixed connection of installation piece.
Preferably, one end of the outer wall of the catheter is fixedly penetrated with a knob, and the micro hydraulic cylinder is positioned inside the knob.
Preferably, the outer wall cover of pipe is equipped with movable sleeve, the top and the bottom of movable sleeve respectively with the bottom of observation window and the bottom sliding connection of viewing aperture inner wall, the one end fixedly connected with of movable sleeve first hides the curtain, the other end fixedly connected with second of movable sleeve hides the curtain, the one end of first and second hides the curtain all with the inner wall fixed connection of viewing aperture.
Preferably, the shutter door is provided with a shielding frame fixedly arranged in the middle of the front face, the top of the outer wall of the shielding frame is rotationally connected with a baffle, and the bottom of the baffle is fixedly connected with a plurality of clamping blocks.
Preferably, the bottom of shielding frame is equipped with spacing, and a plurality of draw-in grooves have been seted up on spacing top, and the inner wall of a plurality of draw-in grooves is all fixed with the inner wall block of adjacent fixture block, and the both sides of shielding frame bottom all are equipped with the slide rail, and the equal sliding connection of inner wall of two slide rails has the slider, and the both ends fixed connection of spacing is respectively with the adjacent one end of two sliders, the equal fixedly connected with layer board of bottom of two slide rails, and the both sides of spacing bottom contact with the top of layer board respectively, the back of two slide rails all with the positive fixed connection of switch door.
Preferably, the top of the non-adjacent side of the two supporting frames is fixedly provided with a holding box, the inside of the two holding boxes is provided with a holding cavity, the adjacent side of the two holding boxes is fixedly connected with a backboard, and the non-adjacent side of the two holding boxes is fixedly connected with a panel.
Preferably, the middle part of two placing cavity bottom ends is all set up flutedly, and rolling ball has all been placed on the top of two recesses, and the equal fixed mounting in both ends of two placing cavity has contact button, and the equal fixed mounting in both sides on two holding box top has the siren, and four sirens all are through contact button and external power supply electric connection that sets up.
The invention has at least the following beneficial effects:
According to the invention, through the cooperation of the arranged observation port, the observation window, the guide pipe, the telescopic pipe and the monitoring camera, when the door is not required to be opened, the interior of the operation box can be checked through the observation window, through the cooperation of the arranged guide pipe, the telescopic pipe, the mounting block, the monitoring camera, the miniature hydraulic cylinder and the knob, the telescopic rod is driven to push through the operation of the miniature hydraulic cylinder, the spring is further driven to move to apply a downward pressure to the mounting block, so that the telescopic pipe is prolonged after being stressed, the monitoring camera arranged on the mounting block is driven to move downwards, the internal observation position can be adjusted through the movement of the monitoring camera, the guide pipe and the telescopic pipe are driven to rotate through the rotation knob, the mounting block and the monitoring camera are further driven to rotate to change the position, the display screen arranged displays the picture imaged by the monitoring camera, and further the internal dead angle position of the operation box can be checked more accurately, so that a large string of keys is not required to be carried for door opening during maintenance, and the condition of forgetting to lock the door is avoided.
According to the invention, through the cooperation of the holding box, the holding cavity, the panel, the contact button and the alarm, the parallel state is maintained when the device is installed, the rolling ball is restored to the inside of the groove after the device is installed, when the ageing decay condition occurs on one side of the support frame, the rolling ball is collapsed on one side, the clamping block is further driven to roll to the lower side caused by collapse in the holding cavity, when the angle deviation is serious, the rolling ball is driven to roll to contact the corresponding contact button, the corresponding alarm is triggered, the condition that the collapse deviation occurs at one side angle of the rolling ball can be judged through the sound emitted by the corresponding alarm, the rapid processing can be further performed, the occurrence of the condition that the circuit is stretched and broken due to serious collapse is avoided, the safety of the device installation is improved to a certain extent, and the effective early warning effect is also achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic view of the structure of the operation box in the present invention;
FIG. 3 is a schematic view of the back structure of the door of the present invention;
FIG. 4 is a schematic diagram showing the front structure of the door of the present invention;
FIG. 5 is a schematic view of a partial structure of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of a catheter according to the present invention;
fig. 7 is a partially disassembled structure of the present invention.
The device comprises a central control box, a supporting frame, an insulating cylinder, a 4-operation box, a 5-opening and closing door, a 6-heat dissipation hole, a 7-observation hole, a 8-observation window, a 9-conduit, a 10-telescopic tube, a 11-installation block, a 12-miniature hydraulic cylinder, a 13-telescopic rod, a 14-spring, a 15-fixed block, a 16-knob, a 17-display screen, a 18-movable sleeve, a 19-first shielding curtain, a 20-second shielding curtain, a 21-shielding frame, a 22-baffle, a 23-clamping block, a 24-sliding rail, a 25-supporting plate, a 26-limiting strip, a 27-clamping groove, a 28-holding box, a 29-placing cavity, a 30-back plate, a 31-panel, a 32-groove, a 33-rolling ball, a 34-contact button, a 35-alarm, a 36-balance base and a 37-monitoring camera.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-7, the invention provides a technical scheme of a zero-crossing breaking high-voltage vacuum circuit breaker:
Example 1
1-6, The zero crossing breaking high-voltage vacuum circuit breaker comprises a central control box 1, a support frame 2, an insulating cylinder 3, an operation box 4, a switch door 5, a heat dissipation hole 6, an observation port 7, an observation window 8, a conduit 9, a telescopic tube 10, a mounting block 11, a miniature hydraulic cylinder 12, a telescopic rod 13, a spring 14, a fixed block 15, a knob 16, a display screen 17, a movable sleeve 18, a first shielding curtain 19, a second shielding curtain 20, a shielding frame 21, a baffle 22, a clamping block 23, a sliding rail 24, a supporting plate 25, a limiting strip 26, a clamping groove 27, a holding box 28, a holding cavity 29, a back plate 30, a panel 31, a groove 32, a rolling ball 33, a contact button 34, an alarm 35, Balance base 36 and surveillance camera 37, the top fixed mounting of well accuse case 1 has a plurality of insulating cylinders 3, the both sides of well accuse case 1 bottom all fixed mounting has support frame 2, the middle part fixed mounting of well accuse case 1 bottom has operation box 4, one side of operation box 4 articulates there is switch door 5, observation port 7 has been seted up at the top of switch door 5, the top fixed mounting of observation port 7 inner wall has observation window 8, the bottom sliding connection of observation window 8 has pipe 9, the one end fixedly connected with flexible pipe 10 of pipe 9, the bottom fixedly connected with installation piece 11 of flexible pipe 10, the back fixed mounting of installation piece 11 has surveillance camera 37, the positive one side of observation window 8 fixed mounting has display screen 17, the one end fixed mounting of pipe 9 has miniature pneumatic cylinder 12, the output fixedly connected with telescopic link 13 of miniature pneumatic cylinder 12, the one end fixedly connected with spring 14 of telescopic link 13, the one end of spring 14 runs through the inside of flexible pipe 10 and with the top fixed connection of installation piece 11, the one end fixedly runs through knob 16 of pipe 9 outer wall, miniature pneumatic cylinder 12 is located inside knob 16, through the observation port 7 through setting up through, When the door 5 is not required to be opened or closed, the interior of the operation box 4 can be checked through the observation window 8 by the cooperation of the observation window 8, the guide tube 9, the telescopic tube 10, the mounting block 11 and the monitoring camera 37, and the operation box 4 is provided with the guide tube 9, the telescopic tube 10, the mounting block 11 and the monitoring camera 37, The micro hydraulic cylinder 12 and the knob 16 are matched, the telescopic rod 13 is driven to push through the operation of the micro hydraulic cylinder 12, the spring 14 is further driven to move to apply a downward pressure to the mounting block 11, the telescopic pipe 10 is prolonged after being stressed, the monitoring camera 37 arranged on the mounting block 11 is further driven to move downwards, the internal observing position can be adjusted through the movement of the monitoring camera 37, the guide pipe 9 and the telescopic pipe 10 are driven to rotate through the rotating knob 16, the mounting block 11 and the monitoring camera 37 are further driven to rotate to change the position, the arranged display screen 17 displays the picture of the shooting of the monitoring camera 37, further the internal dead angle position of the operation box 4 can be more accurately checked, the condition that a large string of keys are not required to be carried for opening the door during overhauling is avoided, the condition of forgetting to lock the door is avoided, the movable sleeve 18 is sleeved on the outer wall of the guide pipe 9, the top and bottom of the movable sleeve 18 are respectively in sliding connection with the bottom of the observation window 8 and the bottom of the inner wall of the observation port 7, one end of the movable sleeve 18 is fixedly connected with a first shielding curtain 19, the other end of the movable sleeve 18 is fixedly connected with a second shielding curtain 20, one ends of the first shielding curtain 19 and the second shielding curtain 20 are fixedly connected with the inner wall of the observation port 7, a shielding frame 21 is fixedly arranged in the middle of the front face of the switch door 5, the top of the outer wall of the shielding frame 21 is rotationally connected with a baffle 22, the bottom of the baffle 22 is fixedly connected with a plurality of clamping blocks 23, the bottom of the shielding frame 21 is provided with a limit bar 26, the top of the limit bar 26 is provided with a plurality of clamping grooves 27, the inner walls of the clamping grooves 27 are fixedly clamped with the inner walls of the adjacent clamping blocks 23, two sides of the bottom of the shielding frame 21 are respectively provided with sliding rails 24, the inner walls of the two sliding rails 24 are fixedly connected with sliding blocks, one ends of the two sliding blocks adjacent to the two sliding blocks are respectively fixedly connected with the two ends of the limit bar 26, the bottom of two slide rails 24 is all fixedly connected with layer board 25, and the both sides of spacing 26 bottom contact with the top of layer board 25 respectively, and the front fixed connection of switch door 5 is all connected with the back of two slide rails 24.
Example two
On the basis of embodiment one, as shown in fig. 1 and 7, the top of the non-adjacent one side of two support frames 2 is all fixed mounting and has keeps the box 28, the inside that keeps the box 28 has all been offered and has been placed chamber 29, the equal fixedly connected with backplate 30 of one side that two keep the box 28 are adjacent, the equal fixedly connected with panel 31 of one side that two keep the box 28 are non-adjacent, recess 32 has all been offered at the middle part of two bottom that place chamber 29, rolling ball 33 has all been placed on the top of two recess 32, the both ends that two were placed chamber 29 are all fixed mounting and are had contact button 34, the both sides that two kept the box 28 top are all fixed mounting has alarm 35, four alarm 35 all through the contact button 34 and external power supply electric connection that set up, through the box 28 that sets up, place chamber 29, panel 31, contact button 34 and alarm 35's cooperation, keep parallel condition when installation device, its rolling ball 33 returns to the inside recess 32 after having been installed, when the condition that ageing is decayed appears in support frame 2 one side, recess 32 has been seted up, rolling ball 23 has further been driven to roll down in the chamber 29 and has been placed the top of recess 32 and has been placed rolling ball 33 to the corresponding to the low angle when the corresponding to the side, the rolling ball has been rolled ball and has been rolled down to the corresponding to the recess that the recess has been rolled down, the corresponding to the effect of the alarm 35 has been produced, the alarm device is still has been set up, can be played the alarm device to the side and has been set up and has been in the alarm device to the side and has been serious and can be a serious and has been in the side to the side and has been in the condition to be in the condition to the side to the condition to be in the side and has been in the side and can be in the case the side and has been in the case to the side and has been in.
Working principle: when in use, the central control box 1 is firstly placed at a stable position through the support of the support frame 2 and the balance base 36, and is connected with an external circuit through the insulating cylinder 3 for use, the arranged operation box 4 is the center of the device, when the inside of the operation box 4 is required to be inspected, the opening and closing door 5 is not required to be opened, the inside is observed through the observation port 7 by opening the baffle 22, if the dead angle position inside and finer parts cannot be accurately inspected, the telescopic rod 13 can be driven to stretch by controlling the operation of the micro hydraulic cylinder 12, the spring 14 is further driven to extrude, the length of the telescopic rod 13 is smaller than the length before the turning position at the top of the guide pipe 9, so that the inner wall of the guide pipe 9 is not extruded, the spring 14 extrudes the installation block 11, the telescopic pipe 10 is driven to stretch after the installation block 11 is stressed, the monitoring camera 37 can be adjusted up and down in height, the rotary knob 16 is manually rotated to prevent the catheter 9 and the telescopic tube 10 from rotating, the mounting block 11 is further driven to rotate the monitoring camera 37, the photographing position is further adjusted, an operator can accurately check the internal condition through the display screen 17 during adjustment, the movable sleeve 18 is synchronously driven to move during moving the catheter 9, one end of the movable sleeve is stretched and the other end of the movable sleeve is contracted under the fixation of the two ends of the first shielding curtain 19 and the second shielding curtain 20, therefore, the gap of the catheter 9 at the bottom end of the observation window 8 is blocked, dust is prevented from entering the operation box 4, after the inspection is finished, the baffle 22 is rotated to be attached to the surface of the micro hydraulic cylinder 12, the limiting strip 26 is driven to be lifted under the sliding of the sliding rail 24, the opened clamping groove 27 is connected with the clamping block 23 in a clamping mode, the effect of limiting and closing the baffle 22 is further achieved, when the device has a longer service life and the support frame 2 is aged to generate the offset, the holding box 28 is kept to follow the offset, so that the rolling ball 33 in the holding cavity 29 is deflected to a lower side under the action of gravity and is contacted with the corresponding contact button 34, the alarm 35 is triggered, the alarm 35 operates to generate alarm sound, the collapse is reminded, the support frame 2 is maintained quickly, and the line stretch breaking is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The zero-crossing breaking high-voltage vacuum circuit breaker comprises a central control box (1), a support frame (2), an insulating cylinder (3), an operation box (4), a switch door (5), a radiating hole (6), an observation port (7), an observation window (8), a guide pipe (9), a telescopic pipe (10), a mounting block (11), a miniature hydraulic cylinder (12), a telescopic rod (13), a spring (14), a knob (16), a display screen (17), a movable sleeve (18), a first shielding curtain (19), a second shielding curtain (20), a shielding frame (21), a baffle plate (22), a clamping block (23), a sliding rail (24), a supporting plate (25), a limiting strip (26), a clamping groove (27), a holding box (28), a placing cavity (29), a back plate (30), a panel (31), a groove (32), a rolling ball (33), a contact button (34), an alarm (35) and a monitoring camera (37), and is characterized in that a plurality of insulating cylinders (3) are fixedly mounted at the top end of the central control box (1), the support frame (2) is fixedly mounted at two sides of the bottom end of the central control box (1), the central control box (4) is fixedly mounted with the operation box (4), one side of the operation box (4) is hinged with a switch door (5), an observation port (7) is formed in the top of the switch door (5), an observation window (8) is fixedly arranged at the top of the inner wall of the observation port (7), a guide pipe (9) is slidably connected to the bottom end of the observation window (8), a telescopic pipe (10) is fixedly connected to one end of the guide pipe (9), and a mounting block (11) is fixedly connected to the bottom end of the telescopic pipe (10);
One end of the guide pipe (9) is fixedly provided with a micro hydraulic cylinder (12), the output end of the micro hydraulic cylinder (12) is fixedly connected with a telescopic rod (13), one end of the telescopic rod (13) is fixedly connected with a spring (14), and one end of the spring (14) penetrates through the inside of the telescopic pipe (10) and is fixedly connected with the top end of the mounting block (11);
the outer wall of the conduit (9) is sleeved with a movable sleeve (18), the top end and the bottom end of the movable sleeve (18) are respectively connected with the bottom end of the observation window (8) and the bottom end of the inner wall of the observation port (7) in a sliding manner, one end of the movable sleeve (18) is fixedly connected with a first shielding curtain (19), the other end of the movable sleeve (18) is fixedly connected with a second shielding curtain (20), and one ends of the first shielding curtain (19) and the second shielding curtain (20) are fixedly connected with the inner wall of the observation port (7);
The top of one side, which is not adjacent to the two supporting frames (2), is fixedly provided with a holding box (28), the inside of each holding box (28) is provided with a holding cavity (29), one side, which is adjacent to the two holding boxes (28), is fixedly connected with a backboard (30), and one side, which is not adjacent to the two holding boxes (28), is fixedly connected with a panel (31);
The middle parts of the bottom ends of the two placing cavities (29) are provided with grooves (32), rolling balls (33) are placed at the top ends of the two grooves (32), contact buttons (34) are fixedly arranged at the two ends of the two placing cavities (29), alarms (35) are fixedly arranged at the two sides of the top end of the two holding boxes (28), and the four alarms (35) are electrically connected with an external power supply through the contact buttons (34);
The back of the mounting block (11) is fixedly provided with a monitoring camera (37), and one side of the front of the observation window (8) is fixedly provided with a display screen (17);
One end of the outer wall of the guide pipe (9) is fixedly penetrated by a knob (16), and the miniature hydraulic cylinder (12) is positioned in the knob (16);
A shielding frame (21) is fixedly arranged in the middle of the front surface of the switch door (5), a baffle plate (22) is rotatably connected to the top of the outer wall of the shielding frame (21), and a plurality of clamping blocks (23) are fixedly connected to the bottom end of the baffle plate (22);
The bottom of shielding frame (21) is equipped with spacing (26), a plurality of draw-in grooves (27) have been seted up on spacing (26) top, a plurality of the inner wall of draw-in groove (27) all is fixed with the inner wall block of adjacent fixture block (23), the both sides of shielding frame (21) bottom all are equipped with slide rail (24), two the equal sliding connection of inner wall of slide rail (24) has the slider, two the adjacent one end of slider respectively with the both ends fixed connection of spacing (26), two the equal fixedly connected with layer board (25) of bottom of slide rail (24), the both sides of spacing (26) bottom contact with the top of layer board (25) respectively, two the back of slide rail (24) all with the positive fixed connection of switch door (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210977108.0A CN115295353B (en) | 2022-08-15 | 2022-08-15 | A zero-crossing high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210977108.0A CN115295353B (en) | 2022-08-15 | 2022-08-15 | A zero-crossing high-voltage vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115295353A CN115295353A (en) | 2022-11-04 |
| CN115295353B true CN115295353B (en) | 2025-12-12 |
Family
ID=83830958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210977108.0A Active CN115295353B (en) | 2022-08-15 | 2022-08-15 | A zero-crossing high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115295353B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207525474U (en) * | 2017-11-25 | 2018-06-22 | 诸暨市伽马机电制造有限公司 | Computerized emboridering machine working plate inclination alarming device |
| CN210201187U (en) * | 2019-06-12 | 2020-03-27 | 广州市豪光电气设备有限公司 | Low-voltage switchgear convenient to overhaul |
| CN213336200U (en) * | 2020-10-16 | 2021-06-01 | 云南方圆计量校准检测服务有限公司 | Humiture verification box |
| CN216562917U (en) * | 2021-12-31 | 2022-05-17 | 浙江国安电气有限公司 | Indoor vacuum circuit breaker with insulation system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205883426U (en) * | 2016-06-12 | 2017-01-11 | 国家电网公司 | Electrified viewing device that surveys of power equipment of 500kV transformer substation |
| CN112259406A (en) * | 2019-07-06 | 2021-01-22 | 徐州以勒电器科技有限公司 | Vacuum circuit breaker capable of monitoring working state in real time |
| CN211627837U (en) * | 2019-11-19 | 2020-10-02 | 邱慎收 | Building safety detection device |
| CN211788814U (en) * | 2020-05-26 | 2020-10-27 | 向子全 | Auxiliary device for operating mechanism of vacuum load switch |
| CN112350163A (en) * | 2020-10-29 | 2021-02-09 | 南京宏珠电气有限公司 | Electrical cabinet with modularized intelligent communication |
| CN215599632U (en) * | 2021-08-17 | 2022-01-21 | 辽宁理工学院 | Computer machine case with sliding door |
-
2022
- 2022-08-15 CN CN202210977108.0A patent/CN115295353B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207525474U (en) * | 2017-11-25 | 2018-06-22 | 诸暨市伽马机电制造有限公司 | Computerized emboridering machine working plate inclination alarming device |
| CN210201187U (en) * | 2019-06-12 | 2020-03-27 | 广州市豪光电气设备有限公司 | Low-voltage switchgear convenient to overhaul |
| CN213336200U (en) * | 2020-10-16 | 2021-06-01 | 云南方圆计量校准检测服务有限公司 | Humiture verification box |
| CN216562917U (en) * | 2021-12-31 | 2022-05-17 | 浙江国安电气有限公司 | Indoor vacuum circuit breaker with insulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115295353A (en) | 2022-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115295353B (en) | A zero-crossing high-voltage vacuum circuit breaker | |
| CN114530773A (en) | High-performance safe urban comprehensive corridor power distribution equipment | |
| CN211182879U (en) | An intelligent switch cabinet visualization device | |
| CN116613654A (en) | Distribution room high temperature monitoring alarm device based on internet of things on-line monitoring | |
| CN216436499U (en) | Conveniently maintain good low-voltage switchgear of heat dissipation | |
| CN219864749U (en) | Fireproof door with smoke alarm function | |
| CN221282610U (en) | Intelligent protection device for safe power utilization | |
| CN115275814A (en) | Indoor switch cabinet with internal discharge abnormity monitoring function | |
| CN220492442U (en) | Dampproofing formula automated control cabinet | |
| CN221263071U (en) | Street lamp power box convenient to overhaul | |
| CN219739646U (en) | A standardized high and low voltage switch cabinet | |
| CN112688182A (en) | A electric power high-voltage board that is used for maintenance of being convenient for in large-scale mill workshop | |
| CN220605399U (en) | All-insulated load switch | |
| CN221885762U (en) | Block terminal with warning device | |
| CN217520521U (en) | High-pressure chamber active early warning device | |
| CN210743888U (en) | Electric switch for low-voltage control | |
| CN223540094U (en) | A microgrid protection cabinet | |
| CN220874077U (en) | Maintain convenient batch meter | |
| CN111755280A (en) | Double-column rotary isolating switch | |
| CN223066661U (en) | Abnormality alarm device for high-low voltage switch cabinet | |
| CN120009064A (en) | Insulator tension test equipment | |
| CN221101456U (en) | Novel electric fire monitoring equipment | |
| CN221149763U (en) | Current transformer protection device with indicator lamp for displaying and alarming | |
| CN215499023U (en) | Novel network tester | |
| CN223361500U (en) | A temperature, humidity and pressure change monitoring and testing device for cloud chamber expansion cloud formation test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |