CN218788337U

CN218788337U - Locking alarm device of bypass switch

Info

Publication number: CN218788337U
Application number: CN202222895753.6U
Authority: CN
Inventors: 刘剑; 黄鹏程; 刁飞虹; 金海青; 戴昊明; 陈晓姣; 宛菁
Original assignee: Shenzhen Electrified Technology Development Co ltd
Current assignee: Shenzhen Electrified Technology Development Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-04-04
Anticipated expiration: 2032-11-01

Abstract

The utility model provides a bypass switch's shutting alarm device relates to alarm device technical field, include: mechanism case, transmission shaft two and fixed plate one, recess one is seted up at the inner chamber middle part of mechanism case, the lower extreme fixed connection base on a recess surface, and locking axle swing joint in the base, a fixed plate fixed connection is at the lower extreme on inner chamber surface, and fixed plate one passes through bearing swing joint transmission shaft one, the one end fixed connection round gear of transmission shaft one, and the side symmetry of fixed plate one sets up spout one, bearing swing joint is passed through at the lower surface of mechanism case to the lower extreme of transmission shaft two, and the lower fixed surface of mechanism case is connected and is enclosed fender one, and two lower extremes of transmission shaft pass through limiting plate fixed connection shutting indicator plate. The utility model provides a shutting indicator panel problem that can not automatic re-setting to increased the mode of warning, the fortune dimension personnel of being convenient for discover fast.

Description

Locking alarm device of bypass switch

Technical Field

The utility model relates to an alarm device technical field, concretely relates to bypass switch's shutting alarm device.

Background

Most of pole-mounted switch equipment for running of 10kV outdoor lines in distribution networks in China adopt sulfur hexafluoride gas as an arc extinguishing or insulating medium, sulfur hexafluoride gas is easy to leak due to poor sealing performance of switches, so that the switches are subjected to interphase and ground breakdown, power supply reliability is reduced, the switches can not be normally switched off due to the leakage of the sulfur hexafluoride gas, and great potential safety hazards are generated to personnel or equipment if load current cannot be normally switched off during line or equipment maintenance; therefore, it is necessary to monitor the sulfur hexafluoride gas pressure change in the switch body.

Through search, a mechanical low-pressure locking device and a pole-mounted circuit breaker (application number: CN 201520287574.1) disclosed in the prior art describe that the mechanical low-pressure locking device comprises a telescopic locking shaft and a mechanical locking indicating device, wherein the locking shaft has a locking position and an unlocking position on the telescopic stroke of the locking shaft; the mechanical locking indicating device comprises a locking indicator, an indicator return spring and a rotating shaft limiting arm; the locking indicator is fixed on a rotating shaft arranged on the circuit breaker main body, and the locking indicator is provided with a locking indicating position and a hiding position on a rotating stroke; the rotating shaft limiting arm is connected to the rotating shaft and is provided with a release position and a stop position on a rotating stroke; the indicator return spring is used for applying elastic return force to the rotating shaft. "; this shutting indicator among low-pressure blocking device adopts mechanical alarm's mode, moreover, the steam generator is simple in structure, the fault rate is low, do benefit to fortune dimension personnel to look for the circuit breaker that the shutting device that takes place the shutting corresponds, and in time handle and eliminate circuit fault hidden danger, but shutting indicator among this low-pressure blocking device can't carry out automatic re-setting when the shutting axle resets, still need the manual work to reset, this low-pressure blocking device's alarm mode is comparatively single simultaneously, only rely on the vision to remind, be unfavorable for fortune dimension personnel in time to discover, can reduce maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a locking alarm device of a bypass switch is provided to solve the problems in the background art.

In order to achieve the above object, there is provided a latch alarm device of a bypass switch, including: the mechanism comprises a mechanism box, a transmission shaft II and a fixed plate I, wherein a first groove is formed in the middle of an inner cavity of the mechanism box, the lower end of the surface of the first groove is fixedly connected with a base, a locking shaft is movably connected in the base, the lower end of the locking shaft is fixedly connected with one end of a movable plate, the other end of the movable plate is fixedly connected with a rack, the fixed plate I is fixedly connected with the lower end of the surface of the inner cavity, the fixed plate I is movably connected with the transmission shaft I through a bearing, one end of the transmission shaft I is fixedly connected with a circular gear, the circular gear is meshed with the rack, the side face of the fixed plate I is symmetrically provided with a first sliding chute, a second fixed plate II is fixedly connected in the first sliding chute through a screw, the lower end of the fixed plate II is movably connected with the upper end of the transmission shaft II through a bearing, the upper end of the transmission shaft II is connected with the middle of the transmission shaft I through a helical gear, the lower end of the transmission shaft II is movably connected with the lower surface of the mechanism box through a bearing, a first sliding chute is fixedly connected with a first locking indicating plate, the lower end of the transmission shaft is fixedly connected with a protective box through a limiting plate, the protective box, the lower end of the protective box is movably connected with a buzzer on the bottom of the protective box, and the protective box.

Preferably, the movable plate is of an L-shaped structure, the bending part of the movable plate is fixedly connected with the lower end of the locking shaft, a second groove is formed in the middle of the surface of one end, away from the locking shaft, of the movable plate, the second groove is fixedly connected with the rack, and meanwhile the depth of the second groove is equal to the thickness of the rack.

Preferably, the two groups of fixing plates are arranged in total, the two groups of fixing plates are both in a square structure, the two groups of fixing plates are movably connected with the first transmission shaft through a bearing, and meanwhile, the first fixing plates and the first transmission shaft are combined together to form a dry-shaped structure.

Preferably, the upper end and the lower end of one surface of the fixing plate are symmetrically provided with a first sliding chute, two ends of the first sliding chute penetrate through the side faces of two sides of the fixing plate respectively, the cross section of the first sliding chute is of a square structure, and the thickness of the circular gear is smaller than the width of the rack.

Preferably, the second fixing plate is of a U-shaped structure, two sides of the second fixing plate are respectively connected with the first sliding grooves formed in the two first fixing plates in a sliding mode, the side edges of the second fixing plates are matched with the first sliding grooves in size, and meanwhile the cross section of the enclosure fixedly connected with the lower surface of the mechanism box is of an L-shaped structure.

Preferably, enclose to keep off one and enclose the fender by violently and enclose with erecting and keep off and constitute, enclose to keep off the position correspondence that the relative shutting indicator panel in surface corresponds and offer the commentaries on classics export, and the commentaries on classics export is the rectangle structure, and just changes the size of export and be greater than the shutting indicator panel size, and the shutting indicator panel is the rectangle structure simultaneously, and shutting indicator panel and axis of rotation are two to constitute L shape structure together.

Preferably, divide bee through the division board in the protective housing one and cry the chamber and the energy chamber, the cross-section that protective housing one and division board constitute together is day font structure, and buzzing chamber fixed connection in the buzzing intracavity, and battery fixed connection is in the energy intracavity, and the surface in bee singing chamber evenly sets up the multiunit trompil, and two lower extremes of transmission shaft are the position fixed connection trigger of trigger switch relatively simultaneously.

The beneficial effects of the utility model reside in that, the utility model discloses a bypass switch's shutting alarm device utilizes the cooperation of movable plate and rack, make the shutting axle can drive the circular gear rotation at the in-process that removes, then make first transmission shaft can drive transmission shaft two through the helical gear, thereby make the shutting indicator panel can carry out corresponding rotation, when the shutting position is gone up in the shutting axle, the shutting indicator panel can be followed the transfer exit and roll out, and when the shutting axle resets to the unblock position, shutting indicator panel synchronous reset, the trouble of manual reset has been avoided, the efficiency of overhaul is improved, and simultaneously, when the shutting indicator panel rolls out from the transfer exit, the trigger contact trigger switch of two lower extreme terminal surface fixed connection of transmission shaft, make bee calling organ work, then through the dual warning mode of vision and sense of hearing, the speed of fortune dimension personnel's location fault point can be improved, the time of seeking is shortened, the efficiency of overhaul is improved.

Drawings

Fig. 1 is a schematic diagram of an original structure of a comparison file in the background art of the present invention.

Fig. 2 is a schematic view of a part of a front view of an alarm device according to an embodiment of the present invention.

Fig. 3 is a schematic side view of a part of the alarm device according to the embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to an embodiment of the present invention.

In the figure: 1. a locking shaft; 2. a base; 3. moving the plate; 4. a rack; 5. a mechanism box; 6. a first enclosure; 7. locking the indicating plate; 8. an outlet transfer port; 9. a first sealing box; 10. a storage battery; 11. a first protection box; 12. a buzzer; 13. a second transmission shaft; 14. a first transmission shaft; 15. a first fixing plate; 16. a second fixing plate; 17. the switch is triggered.

Detailed Description

The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Referring to fig. 1 to 4, the present invention provides a locking alarm device for a bypass switch, including: mechanism case 5, transmission shaft two 13 and fixed plate one 15, recess one is seted up at the inner chamber middle part of mechanism case 5, the lower extreme fixed connection base 2 on a recess surface, and locking shaft 1 swing joint is in base 2, and locking shaft 1's lower extreme fixed connection movable plate 3's one end simultaneously, movable plate 3's other end fixed surface connects rack 4, fixed plate one 15 fixed connection is at the lower extreme on inner chamber surface, and fixed plate one 15 is through bearing swing joint transmission shaft one 14, the one end fixed connection round gear of transmission shaft one 14, round gear meshing rack 4, and the side symmetry of fixed plate one 15 sets up spout one, and fixed plate two 16 is through screw fixed connection in spout one, and the lower surface of fixed plate two 16 passes through the upper end of bearing swing joint transmission shaft two 13 simultaneously, and the upper end of transmission shaft two 13 passes through helical gear connection transmission shaft one 14, the lower extreme of transmission shaft two 13 passes through bearing swing joint at the lower surface of mechanism case 5, and lower fixed connection of lower surface of mechanism case 5 encloses fender one 6, and the lower extreme of transmission shaft two 13 passes through limiting plate fixed connection shutting indicator boards 7, encloses the relative position of fender one 6 of fender board 7 and sets up export 8, and connects the sealed case one 9, and the sealed connection of protective box one end of protective box 11, and the sealed case of a sealed connection of a protection box 11, and the sealed connection of a protection box 11 connection of a protection box bottom connection of a protection box.

In this embodiment, when the air pressure in the air chamber is above the set value, the locking shaft 1 is kept in a retraction state, i.e. in an unlocking position, under the blocking of the telescopic shaft, so as to avoid interference with the opening and closing of the on-column circuit breaker, when the air pressure in the air chamber is below the set value, the locking shaft 1 is switched from the unlocking position to the locking position, the locking shaft 1 is blocked on the action stroke of the switch driving device, so that the on-column circuit breaker cannot perform the opening and closing operation, the telescopic shaft is arranged on the base 2, when the locking shaft 1 is switched from the unlocking position to the locking position, the locking shaft 1 drives the moving plate 3 to move upwards, then the moving plate 3 drives the circular gear to rotate through the fixedly connected rack 4, the circular gear drives the transmission shaft two 13 to rotate through the transmission shaft one 14 and the transmission shaft two 13, so that the locking indicator plate 7 fixedly connected to the lower end of the transmission shaft two 13 rotates out of the rotary outlet 8, and simultaneously, during the rotation of the transmission shaft two 13, the trigger connected to the trigger switch 17 is connected to connect the buzzer 12 to the storage battery 10, and then the buzzer 12 starts to work, when the air chamber recovers to the air pressure, and the locking indicator plate 1 returns to the locking position, and the locking shaft 1, and the trigger switch 17 to complete the operation, thereby completing the reverse operation.

As a preferred embodiment, the moving plate 3 is in an L-shaped structure, the bent portion of the moving plate 3 is fixedly connected to the lower end of the locking shaft 1, a second groove is formed in the middle of the surface of the moving plate 3 far away from one end of the locking shaft 1, the second groove is internally and fixedly connected with the rack 4, and the depth of the second groove is equal to the thickness of the rack 4.

In this embodiment, as shown in fig. 2 and 3, the moving plate 3 can just drive the circular gear to rotate for a half turn along with the maximum moving distance of the locking shaft 1, that is, the locking indication plate 7 can rotate ninety degrees, the side surface of the moving plate 3 can be fixedly connected with the second sliding block, and the second sliding block is slidably connected in the second sliding groove correspondingly formed in the first fixed plate 15, so that the stability of the moving plate 3 during moving is improved.

As a preferred embodiment, there are two groups of the first fixing plates 15, the two groups of the first fixing plates 15 are both in a square structure, the two groups of the first fixing plates 15 are both movably connected with the first transmission shaft 14 through bearings, and the cross section formed by combining the first fixing plates 15 and the first transmission shaft 14 is in a dry-line structure.

In this embodiment, as shown in fig. 2, the two sets of fixing plates can provide a stable supporting structure for the first transmission shaft 14, so that the circular gear can drive the first transmission shaft 14 fixedly connected to the circular gear to perform a stable rotation.

As a preferred embodiment, the upper end and the lower end of the surface of the first fixing plate 15 are symmetrically provided with first sliding chutes, the two ends of the first sliding chutes respectively penetrate through the side surfaces of the two sides of the first fixing plate 15, the cross section of the first sliding chutes is of a square structure, and the thickness of the circular gear is smaller than the width of the rack 4.

In this embodiment, as shown in fig. 2, the width of the rack 4 is greater than the thickness of the circular gear, so as to improve the stability of the rack 4 when driving the circular gear, and the first sliding groove formed on the surface of the first fixing plate 15 facilitates the quick connection between the first fixing plate 15 and the second fixing plate 16, so as to improve the installation efficiency.

As a preferred embodiment, the second fixing plate 16 has a u-shaped structure, two sides of the second fixing plate 16 are slidably connected to the first sliding grooves formed in the two sets of first fixing plates 15, the side edges of the second fixing plates 16 are matched with the first sliding grooves in size, and the cross-section of the first enclosing block 6 fixedly connected to the lower surface of the mechanism box 5 is an L-shaped structure.

In this embodiment, as shown in fig. 2 and 3, the first fixing plate 15 and the second fixing plate 16 are combined together to form a relatively sealed inner space, so as to ensure the stability of the connection between the first transmission shaft 14 and the second transmission shaft 13 and reduce the failure probability of the helical gear transmission.

As a preferred embodiment, enclose that keep off one 6 by violently enclose the fender and enclose the fender with erecting and constitute, the perpendicular fender surface of enclosing corresponds the position of seting up the commentaries on classics export 8 relative shutting indicator board 7, and the export 8 that changes is the rectangle structure, and the size of the export 8 that just changes is greater than the size of shutting indicator board 7, and shutting indicator board 7 is the rectangle structure simultaneously, and shutting indicator board 7 and axis of rotation two-unit constitute L shape structure together.

In this embodiment, as shown in fig. 2 and 3, the size of the rotary outlet 8 is larger than that of the locking indicator plate 7, so that the rotation of the locking indicator plate 7 can be facilitated, the surface of the locking indicator plate 7 is red, and the surface of the locking indicator plate 7 is coated with fluorescent paint for facilitating observation at night or at a distance.

As a preferred implementation mode, a bee sound cavity and an energy cavity are separated from the interior of a first protection box 11 through a partition plate, the cross section formed by combining the first protection box 11 and the partition plate is of a structure shaped like a Chinese character 'ri', the bee sound cavity is fixedly connected into the bee sound cavity, a storage battery 10 is fixedly connected into the energy cavity, multiple groups of holes are uniformly formed in the surface of the bee sound cavity, and meanwhile, the lower end of a second transmission shaft 13 is fixedly connected with a trigger relative to the position of a trigger switch 17.

In this embodiment, as shown in fig. 2 and 4, the buzzer 12 and the trigger switch 17 are electrically connected to the battery 10, respectively, when the locking indicator plate 7 is in the storage state, the trigger fixedly connected to the lower end face of the second transmission shaft 13 is disconnected from the trigger switch 17, and when the locking indicator plate 7 is rotated out, the trigger can be connected to the trigger switch 17, so that the buzzer 12 is powered on and starts to operate, and meanwhile, the first seal box 9 is provided to provide a relatively sealed environment for the on-off of the trigger switch 17, so as to ensure the safety of the on-off of the trigger switch 17.

The utility model discloses a bypass switch's shutting alarm device can effectively solve the problem that shutting indicator panel 7 can not automatic re-setting, avoids the operation of artifical reseing, through the dual warning of vision and sense of hearing simultaneously, is favorable to improving fortune dimension personnel's discovery speed.

Claims

1. A lockout alarm device for a bypass switch, comprising: mechanism case (5), transmission shaft two (13) and fixed plate one (15), its characterized in that: the middle part of an inner cavity of the mechanism box (5) is provided with a first groove, the lower end of the surface of the first groove is fixedly connected with the base (2), the locking shaft (1) is movably connected in the base (2), meanwhile, the lower end of the locking shaft (1) is fixedly connected with one end of the movable plate (3), the other end of the movable plate (3) is fixedly connected with the rack (4), the first fixed plate (15) is fixedly connected at the lower end of the surface of the inner cavity, the first fixed plate (15) is movably connected with the first transmission shaft (14) through a bearing, one end of the first transmission shaft (14) is fixedly connected with the circular gear, the circular gear is meshed with the rack (4), the first sliding groove is symmetrically formed in the side surface of the first fixed plate (15), the second fixed plate (16) is fixedly connected in the first sliding groove through a screw, the lower surface of the second fixed plate (16) is movably connected with the upper end of the second transmission shaft (13) through a bearing, the upper end of the second transmission shaft (13) is connected with the middle part of the first transmission shaft (14) through a helical gear, the lower end of the second transmission shaft (13) is movably connected with the lower surface of the mechanism box (5) through a bearing, the first groove (6) is fixedly connected with the lower end of the locking mechanism box (7) through a sealing indicator plate (7), and the lower end of the indicator plate (7) is connected with the indicator plate (7) in the indicator plate (7), the bottom of the first sealing box (9) is symmetrically connected with two groups of trigger switches (17), one end of the surface of the first enclosure (6) is fixedly connected with the first protection box (11), the bottom of the first protection box (11) is fixedly connected with a storage battery (10), and the upper end of the first protection box (11) is fixedly connected with a buzzer (12).

2. The locking alarm device of the bypass switch according to claim 1, wherein the movable plate (3) is of an L-shaped structure, the bent portion of the movable plate (3) is fixedly connected with the lower end of the locking shaft (1), a second groove is formed in the middle of the surface of one end, away from the locking shaft (1), of the movable plate (3), the second groove is fixedly connected with the rack (4), and meanwhile the depth of the second groove is equal to the thickness of the rack (4).

3. The locking alarm device for the bypass switch according to claim 1, wherein there are two sets of the first fixing plates (15), the two sets of the first fixing plates (15) are both square, the two sets of the first fixing plates (15) are both movably connected to the first transmission shaft (14) through bearings, and the cross section formed by the combination of the first fixing plates (15) and the first transmission shaft (14) is in a dry-letter shape.

4. The locking alarm device for the bypass switch according to claim 1, wherein the first fixing plate (15) is symmetrically provided with first sliding grooves at upper and lower ends of the surface thereof, two ends of the first sliding grooves respectively penetrate through the side surfaces of two sides of the first fixing plate (15), the cross section of the first sliding grooves is of a square structure, and the thickness of the circular gear is smaller than the width of the rack (4).

5. The locking alarm device of the bypass switch as claimed in claim 1, wherein the second fixing plate (16) is of a U-shaped structure, two sides of the second fixing plate (16) are slidably connected with the first sliding grooves formed in the two first fixing plates (15), the side edges of the second fixing plate (16) are matched with the first sliding grooves in size, and the cross-section of the first enclosure (6) fixedly connected to the lower surface of the mechanism box (5) is of an L-shaped structure.

6. The locking alarm device of the bypass switch as claimed in claim 1, wherein the enclosure I (6) is composed of a horizontal enclosure and a vertical enclosure, a rotary outlet (8) is correspondingly arranged on the surface of the vertical enclosure relative to the locking indicator plate (7), the rotary outlet (8) is of a rectangular structure, the size of the rotary outlet (8) is larger than that of the locking indicator plate (7), the locking indicator plate (7) is of a rectangular structure, and the locking indicator plate (7) and the rotary shaft are combined together to form an L-shaped structure.

7. The locking alarm device for the bypass switch according to claim 1, wherein the inside of the first protection box (11) is divided into a buzzer cavity and an energy cavity by a partition plate, the section formed by combining the first protection box (11) and the partition plate is of a herringbone structure, the buzzer cavity is fixedly connected in the buzzer cavity, the storage battery (10) is fixedly connected in the energy cavity, a plurality of groups of holes are uniformly formed in the surface of the buzzer cavity, and the lower end of the second transmission shaft (13) is fixedly connected with the trigger relative to the position of the trigger switch (17).