CN216648156U

CN216648156U - Protection device of outdoor circuit breaker

Info

Publication number: CN216648156U
Application number: CN202122254912.XU
Authority: CN
Inventors: 刘妍; 伍沉
Original assignee: Chengdu Jiaoda Chuandian Technology Co ltd
Current assignee: Chengdu Jiaoda Chuandian Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-05-31
Anticipated expiration: 2031-09-16

Abstract

The application provides a protector of outdoor circuit breaker belongs to circuit breaker technical field. The protection device of the outdoor circuit breaker comprises a protection assembly, a drying assembly and a circuit breaker body. The protection component comprises a protection cover, a first spring, a first damping plate, a second damping plate, an elastic piece, a first piston plate and a second piston plate, wherein the first damping plate is slidably mounted in the protection cover and is fixedly connected with one end of the first spring, the drying component comprises a motor, a filter plate, a rolling wheel and a fan, the output end of the motor is in keyed connection with a rotating shaft, and the rolling wheel is rotatably mounted on the inner wall of the annular cavity. This device can prevent effectively that external wind-force from causing the influence to the protection casing, is simultaneously when ventilating to the protection casing is inside, can effectively keep apart the moisture of subsidiary in the external air, prevents that the air that has the moisture from carrying out the inside influence that causes of protection casing.

Description

Protection device of outdoor circuit breaker

Technical Field

The application relates to the field of circuit breakers, in particular to a protection device of an outdoor circuit breaker.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum, the circuit breaker has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinction, is more popular in application in a power distribution network, needs to use a protective cover to protect the circuit breaker when the circuit breaker is installed outdoors to prevent the circuit breaker from being exposed outside for a long time and being damaged by external force, the protective device of the current circuit breaker usually carries out damping treatment on the circuit breaker, even if the vibration frequency is greatly reduced, the circuit breaker still can shake, the protective cover is mostly arranged in a bidirectional ventilation mode, air with humidity outside the protective cover is mixed and alternated with air inside the protective cover without being treated, so that a large amount of moisture is generated inside the protective cover, and then the humidity in the protection cover is increased, and the corrosion of the internal equipment is influenced in the past.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides a protection device for an outdoor circuit breaker, which aims to improve the problems proposed by the above background art.

The embodiment of the application provides a protection device of an outdoor circuit breaker, which comprises a protection assembly, a drying assembly and a circuit breaker body.

The protection component comprises a protection cover, a first spring, a first damping plate, a second damping plate, an elastic piece, a first piston plate and a second piston plate, the bottom of the protective cover is provided with a through groove and an air outlet groove, the protective cover is internally provided with an annular cavity, the annular cavity is communicated with the middle part of the through groove, the first spring is arranged on the side wall of the protective cover, the first damping plate and the second damping plate are slidably arranged in the protective cover and are fixedly connected with one end of the first spring, the elastic element is arranged in the first damping plate and the second damping plate, the first piston plate is inserted at two ends of the first damping plate in a sliding way, the second piston plate is inserted at two ends of the second damping plate in a sliding mode, one end of the first damping plate and one end of the second damping plate are fixedly connected with the piston end of the elastic part, and one end of the second piston plate is installed on one side of the first piston plate in a sliding mode.

The drying component comprises a motor, a filter plate, a rolling wheel and a fan, the motor is installed at the bottom of the protective cover, the output end of the motor is in keyed connection with a rotating shaft, the rotating shaft is rotatably installed in the annular cavity, the filter plate is annularly arrayed on the side wall of the rotating shaft, the surface of the filter plate is fixedly connected with a sponge layer, the rolling wheel is rotatably installed on the inner wall of the annular cavity, one end of the rolling wheel is meshed with the rotating shaft for transmission, and the fan is installed at the top of the inner part of the through groove.

The circuit breaker body is installed in the protection casing.

In the implementation process, through the arrangement of the first spring, the first damping plate, the second damping plate, the elastic part, the first piston plate and the second piston plate, when the external wind force is too large, the wind force blows the first damping plate or the second damping plate to move, through the arrangement of the first spring, the moving force of the first damping plate and the second damping plate is buffered, the influence of the wind force on the protective cover is buffered to the maximum extent, so that the protective cover is not influenced by the external wind force to generate shaking, meanwhile, through the arrangement of the motor, the filter plate and the rolling wheel on the fan, the fan sucks the external gas, the filter plate isolates the humidity in the air through the sponge layer, the dry gas is input into the protective cover, the ventilation of the protective cover is not influenced while the interior of the protective cover is dry, through the arrangement, the device can effectively prevent the external wind force from influencing the protective cover, and simultaneously when the ventilation is carried out in the protective cover, can effectively keep apart by the moisture in the outside air, prevent that the air that has the moisture from carrying out the inside influence that causes of protection casing.

In a specific embodiment, the bottom of the through groove is provided with a filter screen.

In the implementation process, the filter screen is arranged to filter the sucked air and prevent excessive dust from being sucked.

In a specific embodiment, the elastic member includes a limiting post, a second spring and a piston rod, the limiting post is installed in the first damping plate and the second damping plate, the second spring is installed in the limiting post, the piston rod is slidably inserted into the limiting post and fixedly connected to one end of the second spring, and the first piston plate and the second piston plate are slidably inserted into two ends of the first damping plate and the second damping plate and fixedly connected to one end of the piston rod.

In the implementation process, the limiting column, the second spring and the piston rod are arranged, so that the first piston plate and the second piston plate are elastically supported.

In a specific embodiment, one end of the piston rod is fixedly connected with a limiting block, and the limiting block is in limiting fit with the limiting column.

In the implementation process, the limiting block is arranged to limit the piston rod, so that the piston rod is prevented from being separated from the limiting column.

In a specific embodiment, the outer wall key of the rotating shaft is connected with a driving gear, one end of the rolling wheel is fixedly connected with a driven gear, and the driving gear and the driven gear are mutually meshed.

In the implementation process, the rolling wheel is conveniently driven to rotate by the motor through the arrangement of the driving gear and the driven gear.

In a specific embodiment, a lifting ring is installed at the inner top of the annular cavity, and one end of the rolling wheel is rotatably penetrated in the inner ring of the lifting ring.

In the implementation process, the other end of the rolling wheel is supported by the aid of the lifting rings.

In a specific embodiment, one end of the second piston plate is fixedly connected with a first sliding block, a first sliding groove is formed in a side wall of the first piston plate, and the first sliding block is slidably mounted in the first sliding groove.

In the implementation process, the first sliding groove and the first sliding block are arranged to limit the movement of the second piston plate.

In a particular embodiment, the bottom of the shield is provided with a dust cover, and the motor is mounted within the dust cover.

In the implementation process, the motor is protected by the dust cover, and the motor is prevented from being exposed to form damage.

In a specific implementation scheme, the protection component further comprises a shock absorption seat, the shock absorption seat comprises a mounting seat, a third spring, a plate spring and a supporting rod, the mounting seat is mounted in the protection cover, the third spring is mounted on the inner wall of the mounting seat, the plate spring is mounted in the mounting seat, one end of the supporting rod is slidably inserted in the mounting seat and fixedly connected with one end of the third spring and one end of the plate spring, and the other end of the supporting rod is fixedly connected with the bottom of the breaker body.

At above-mentioned realization in-process, through the setting of mount pad, third spring, leaf spring and bracing piece, when ground takes place vibrations, play resilient support's effect to the circuit breaker body.

In a specific implementation scheme, the two ends of the first damping plate and the second damping plate are fixedly connected with a second sliding block in an inner connection mode, a second sliding groove is formed in the surface of the protective cover, and the second sliding block is slidably mounted in the second sliding groove.

In the implementation process, the second sliding block and the second sliding groove are arranged, and the first damping plate and the second damping plate are limited in movement.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a protection device of an outdoor circuit breaker according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a shield assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a ring cavity provided in an embodiment of the present application;

FIG. 4 is a schematic diagram of a first damping plate and a second damping plate according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of an elastic member according to an embodiment of the present disclosure;

FIG. 6 is an enlarged view of the location A in FIG. 1 according to an embodiment of the present disclosure;

FIG. 7 is an enlarged view of the location B in FIG. 3 according to an embodiment of the present disclosure;

fig. 8 is an enlarged view of a position C in fig. 4 according to an embodiment of the present disclosure.

In the figure: 100-a shield assembly; 110-a shield; 111-through slots; 1111-a filter screen; 112-air outlet groove; 113-ring cavity; 114-a lifting ring; 115-a dust cover; 116-a second runner; 120-a first spring; 130-a first damping plate; 131-a second slider; 140-a second damping plate; 150-an elastic member; 151-limiting column; 152-a second spring; 153-a piston rod; 154-a stop block; 160-a first piston plate; 161-a first runner; 170-a second piston plate; 171-a first slider; 180-a shock mount; 181-mounting seat; 182-a third spring; 183-leaf spring; 184-a support bar; 200-a drying assembly; 210-a motor; 211-a rotating shaft; 212-a drive gear; 220-filter plate; 221-sponge layer; 230-rolling wheel; 231-a driven gear; 240-a fan; 300-breaker body.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a protection device for an outdoor circuit breaker, which includes a protection assembly 100, a drying assembly 200, and a circuit breaker body 300.

Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, the protection assembly 100 includes a protection cover 110, a first spring 120, a first damping plate 130, a second damping plate 140, an elastic member 150, a first piston plate 160 and a second piston plate 170, a through slot 111 and an air outlet slot 112 are formed at the bottom of the protection cover 110, a filter screen 1111 is installed at the bottom of the through slot 111, when the protection cover is specifically installed, the filter screen 1111 filters the sucked air to prevent sucking excessive dust, an annular cavity 113 is formed in the protection cover 110, the annular cavity 113 is communicated with the middle of the through slot 111, the first spring 120 is installed at the side wall of the protection cover 110, the first damping plate 130 and the second damping plate 140 are slidably installed in the protection cover 110 and fixedly connected to one end of the first spring 120, second sliders 131 are fixedly connected to two ends of the first damping plate 130 and the second damping plate 140, the surface of the protective cover 110 is provided with a second sliding groove 116, the second sliding block 131 is slidably mounted in the second sliding groove 116, when the protective cover is specifically set, the first damping plate 130 and the second damping plate 140 are limited by the second sliding block 131 and the second sliding groove 116, the elastic element 150 is mounted in the first damping plate 130 and the second damping plate 140, the first piston plate 160 is slidably inserted at two ends of the first damping plate 130, the second piston plate 170 is slidably inserted at two ends of the second damping plate 140, and one end of each of the first damping plate 130 and the second damping plate 140 is fixedly connected with the piston end of the elastic element 150.

In this embodiment, the elastic member 150 includes a limiting post 151, a second spring 152 and a piston rod 153, the limiting post 151 is installed in the first damping plate 130 and the second damping plate 140, the second spring 152 is installed in the limiting post 151, the piston rod 153 is slidably inserted into the limiting post 151 and is fixedly connected to one end of the second spring 152, the first piston plate 160 and the second piston plate 170 are slidably inserted into two ends of the first damping plate 130 and the second damping plate 140 and are fixedly connected to one end of the piston rod 153, when the elastic member is specifically configured, the movement of the first piston plate 160 and the movement of the second piston plate 170 are elastically supported by the arrangement of the limiting post 151, the second spring 152 and the piston rod 153, the one end of the piston rod 153 is fixedly connected to a limiting block 154, the limiting block 154 is in limiting cooperation with the limiting post 151, it should be noted that, the arrangement of the limiting block 154 serves to limit the piston rod 153, the piston rod 153 is prevented from being separated from the limiting column 151, one end of the second piston plate 170 is slidably mounted on one side of the first piston plate 160, one end of the second piston plate 170 is fixedly connected with the first slider 171, the side wall of the first piston plate 160 is provided with the first sliding groove 161, the first slider 171 is slidably mounted in the first sliding groove 161, it should be noted that, through the arrangement of the first sliding groove 161 and the first slider 171, the movement of the second piston plate 170 is limited, the protection assembly 100 further comprises a shock absorption seat 180, the shock absorption seat 180 comprises a mounting seat 181, a third spring 182, a leaf spring 183 and a support rod 184, the mounting seat 181 is mounted in the protection cover 110, the third spring 182 is mounted on the inner wall of the mounting seat 181, the leaf spring 183 is mounted in the mounting seat 181, one end of the support rod 184 is slidably inserted in the mounting seat 181 and fixedly connected with one end of the third spring 182 and one end of the leaf spring 183, the other end of the support rod 184 is fixedly connected with the bottom of the breaker body 300, in the present application, the mounting seat 181, the third spring 182, the plate spring 183, and the support rod 184 are provided to elastically support the breaker body 300 when the ground vibrates.

Referring to fig. 1, 3 and 7, the drying assembly 200 includes a motor 210, a filter plate 220, a rolling wheel 230 and a fan 240, the motor 210 is mounted at the bottom of the protective cover 110, a dust cover 115 is disposed at the bottom of the protective cover 110, the motor 210 is mounted in the dust cover 115, in this application, the motor 210 is protected by the dust cover 115 to prevent the motor 210 from being damaged when exposed, an output end of the motor 210 is keyed with a rotating shaft 211, the rotating shaft 211 is rotatably mounted in the annular cavity 113, the filter plates 220 are annularly arrayed on a side wall of the rotating shaft 211, a sponge layer 221 is fixedly connected to a surface of the filter plate 220, the rolling wheel 230 is rotatably mounted on an inner wall of the annular cavity 113, a lifting ring 114 is mounted at an inner top of the annular cavity 113, one end of the rolling wheel 230 rotatably penetrates through the lifting ring 114, in this embodiment, the other end of the rolling wheel 230 is supported by the lifting ring 114, one end of the rolling wheel 230 is in meshing transmission with the rotating shaft 211, the outer wall of the rotating shaft 211 is in keyed connection with the driving gear 212, one end of the rolling wheel 230 is fixedly connected with the driven gear 231, the driving gear 212 is in mutual meshing with the driven gear 231, in the embodiment, the driving gear 212 and the driven gear 231 are arranged, the rolling wheel 230 is conveniently driven by the motor 210 to rotate, and the fan 240 is installed at the inner top of the through groove 111.

Referring to fig. 1, the circuit breaker body 300 is installed in the shield 110.

The working principle of the protection device of the outdoor circuit breaker is as follows: when the air drying device is used, when the outside is in a severe environment, the first damping plate 130 or the second damping plate 140 contracts when strong wind blows, the influence of wind power on the protective cover 110 is effectively isolated under the buffering of the first spring 120, the protective cover 110 is prevented from being influenced, the protective cover 110 is kept stable all the time, when the inside is dried, the fan 240 is started, the fan 240 sucks outside air through the through groove 111 into the protective cover 110, moisture in the air is adsorbed by the sponge layer 221 under the action of the sponge layer 221, the air is dried, the inside of the protective cover 110 is dried and ventilated, when one of the sponge layers 221 adsorbs excessive moisture, the motor 210 is started, the motor 210 drives the rotating shaft 211 to rotate, the rotating shaft 211 drives the other filter plate 220 to drive the sponge layer 221 to correspond to the through groove 111, the work can be continued, and the removed filter plate 220 drives the sponge to rotate, the pivot 211 drive driving gear 212 rotates, and driving gear 212 drive driven gear 231 rotates, and driven gear 231 rotates drive rolling wheel 230 and rotates, extrudes sponge layer 221 when filter plate 220 drives the motion of sponge layer 221, extrudes the absorbent moisture of sponge layer 221, can carry out used repeatedly.

It should be noted that the specific model specifications of the motor 210 and the fan 240 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the motor 210 and the fan 240 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A protection device of an outdoor circuit breaker is characterized by comprising

The protection assembly (100) comprises a protection cover (110), a first spring (120), a first damping plate (130), a second damping plate (140), an elastic piece (150), a first piston plate (160) and a second piston plate (170), wherein the bottom of the protection cover (110) is provided with a through groove (111) and an air outlet groove (112), an annular cavity (113) is formed in the protection cover (110), the annular cavity (113) is communicated with the middle part of the through groove (111), the first spring (120) is installed on the side wall of the protection cover (110), the first damping plate (130) and the second damping plate (140) are slidably installed in the protection cover (110) and fixedly connected with one end of the first spring (120), the elastic piece (150) is installed in the first damping plate (130) and the second damping plate (140), and the first piston plate (160) is slidably inserted into two ends of the first damping plate (130), the second piston plate (170) is inserted at two ends of the second damping plate (140) in a sliding manner, one ends of the first damping plate (130) and the second damping plate (140) are fixedly connected with the piston end of the elastic piece (150), and one end of the second piston plate (170) is installed at one side of the first piston plate (160) in a sliding manner;

the drying assembly (200) comprises a motor (210), a filter plate (220), a rolling wheel (230) and a fan (240), the motor (210) is installed at the bottom of the protective cover (110), the output end of the motor (210) is in keyed connection with a rotating shaft (211), the rotating shaft (211) is rotatably installed in the annular cavity (113), the filter plates (220) are annularly arrayed on the side wall of the rotating shaft (211), a sponge layer (221) is fixedly connected to the surface of the filter plate (220), the rolling wheel (230) is rotatably installed on the inner wall of the annular cavity (113), one end of the rolling wheel (230) is in meshing transmission with the rotating shaft (211), and the fan (240) is installed at the inner top of the through groove (111);

a circuit breaker body (300), the circuit breaker body (300) being mounted within the protective cover (110).

2. A protection device for an outdoor circuit breaker according to claim 1, characterized in that a filter screen (1111) is installed at the bottom inside the through groove (111).

3. The protection device of claim 1, wherein the elastic member (150) comprises a limiting post (151), a second spring (152), and a piston rod (153), the limiting post (151) is installed in the first damping plate (130) and the second damping plate (140), the second spring (152) is installed in the limiting post (151), the piston rod (153) is slidably inserted into the limiting post (151) and fixedly connected to one end of the second spring (152), and the first piston plate (160) and the second piston plate (170) are slidably inserted into two ends of the first damping plate (130) and the second damping plate (140) and fixedly connected to one end of the piston rod (153).

4. The protection device of an outdoor circuit breaker according to claim 3, wherein a limit block (154) is fixedly connected to one end of the piston rod (153), and the limit block (154) is in limit fit with the limit post (151).

5. The outdoor circuit breaker protection device of claim 1, wherein a driving gear (212) is keyed on an outer wall of the rotating shaft (211), a driven gear (231) is fixedly connected to one end of the rolling wheel (230), and the driving gear (212) and the driven gear (231) are mutually meshed.

6. The outdoor circuit breaker protection device of claim 1, wherein a hanging ring (114) is installed at the inner top of the annular cavity (113), and one end of the rolling wheel (230) is rotatably penetrated in the inner ring of the hanging ring (114).

7. The protection device of an outdoor circuit breaker according to claim 1, wherein a first sliding block (171) is fixedly connected to one end of the second piston plate (170), a first sliding slot (161) is formed in a side wall of the first piston plate (160), and the first sliding block (171) is slidably mounted in the first sliding slot (161).

8. A protection device for an outdoor circuit breaker according to claim 1, characterized in that the bottom of the protection cover (110) is provided with a dust cover (115), and the motor (210) is mounted in the dust cover (115).

9. The protection device of an outdoor circuit breaker according to claim 1, wherein the protection assembly (100) further comprises a shock absorbing seat (180), the shock absorbing seat (180) comprises a mounting seat (181), a third spring (182), a plate spring (183) and a supporting rod (184), the mounting seat (181) is installed in the protection cover (110), the third spring (182) is installed on the inner wall of the mounting seat (181), the plate spring (183) is installed in the mounting seat (181), one end of the supporting rod (184) is slidably inserted in the mounting seat (181) and is fixedly connected with one ends of the third spring (182) and the plate spring (183), and the other end of the supporting rod (184) is fixedly connected with the bottom of the circuit breaker body (300).

10. The protection device of an outdoor circuit breaker according to claim 1, wherein the first damping plate (130) and the second damping plate (140) are fixedly connected with second sliding blocks (131) at two ends thereof, a second sliding slot (116) is formed in the surface of the protection cover (110), and the second sliding blocks (131) are slidably mounted in the second sliding slot (116).