CN102074391B - Switching device capable of driving breaker to realize automatic switching - Google Patents
Switching device capable of driving breaker to realize automatic switching Download PDFInfo
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- CN102074391B CN102074391B CN 200910246734 CN200910246734A CN102074391B CN 102074391 B CN102074391 B CN 102074391B CN 200910246734 CN200910246734 CN 200910246734 CN 200910246734 A CN200910246734 A CN 200910246734A CN 102074391 B CN102074391 B CN 102074391B
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Abstract
The invention discloses a switching device capable of driving a breaker to realize automatic switching, comprising a mounting plate, a turntable, a left slider and a right slider, wherein the left slider and the right slider are respectively used for controlling a left breaker and a right breaker to alternatively switch on/off; the left slider and the right slider are internally provided with a first guide slot in a longitudinal direction respectively; the mounting plate is provided with first guide pillars; the first guide slots of the left and right sliders are respectively matched with the corresponding first guide pillars on the mounting plate, so that the left and right sliders can move longitudinally; the rear end of the mounting plate is provided with a motor; the turntable is arranged on the rotary shaft of the motor and is positioned above the transverse line of centres of the left and the right sliders; second guide pillars for driving the left and the right sliders to move are respectively arranged at two sides of the lower part for the turntable; opposite inner ends of the left and the right sliders are respectively provided with a second guide slot in the longitudinal direction; and the two second guide pillars are respectively matched with the second guide slots of the left and the right sliders correspondingly, so that the left and the right sliders are driven to move due to the rotation of the turntable. The switching device is simple in structure and is convenient to assemble.
Description
Technical Field
The invention relates to a switching device, in particular to a switching device capable of driving a circuit breaker to automatically switch.
Background
The existing dual-power automatic transfer switch driven by a motor and used for driving a circuit breaker or other electrical appliances consists of the motor, a gear, an upper sliding plate, a lower sliding plate, racks arranged on two sides of the gear, a push rod and the like, wherein the gear drives the two racks which respectively push the upper sliding plate and the lower sliding plate to move; the upper sliding plate drives the push rod to push a switch of a circuit breaker or other electrical appliances. Because the moving directions of the two racks are opposite, the two racks can push the upper sliding plate and the lower sliding plate to make the switch perform switching actions of opening and closing. In addition, a mandril and a spring are arranged between the upper sliding plate and the lower sliding plate, and a boss is arranged below the lower sliding plate; under the action of the lug boss, the upper sliding plate and the lower sliding plate are separated and connected, so that the action requirement that the switch is opened firstly and then closed in the switching process is met. Obviously, the dual-power automatic transfer switch can be used for driving two circuit breakers which alternately perform on and off to work. However, the dual-power automatic transfer switch has a complex structure and high cost, so that the dual-power automatic transfer switch has low production efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a switching device capable of driving circuit breakers to automatically switch, which utilizes a motor to drive a turntable to rotate so as to drive a left slide block and a right slide block to control the left circuit breaker and the right circuit breaker to be alternately switched on/off and has the characteristics of simple structure, convenience in assembly, lower cost and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: a switching device capable of driving circuit breakers to switch automatically comprises a mounting plate, a rotary table, a left slide block and a right slide block, wherein the left slide block and the right slide block are respectively used for controlling a left circuit breaker and a right circuit breaker to be switched on/off alternately; the mounting plate is arranged between the left circuit breaker and the right circuit breaker; the left sliding block and the right sliding block are respectively installed on the left side and the right side of the installation plate in a sliding mode; the opposite outer ends of the left sliding block and the right sliding block are respectively provided with a clamping part for driving a switch toggle button of the corresponding circuit breaker to act; the left sliding block and the right sliding block are respectively provided with a first guide groove along the longitudinal direction, the mounting plate is provided with a first guide pillar, and the first guide grooves of the left sliding block and the right sliding block are respectively matched with the corresponding first guide pillars on the mounting plate in a sliding manner so that the left sliding block and the right sliding block can slide along the longitudinal direction; the rear end of the mounting plate is provided with a motor, and a rotating shaft of the motor penetrates out of the front end of the mounting plate; the turntable is arranged on the motor shaft and is positioned above a transverse central connecting line of the left circuit breaker and the right circuit breaker; and two second guide posts of the rotary table are correspondingly matched with the second guide grooves of the left slide block and the right slide block respectively so that the rotary table can push the left slide block and the right slide block to move by rotating.
In the left slider and the right slider, guide notches communicated with the second guide grooves are respectively arranged along the lower sides of the second guide grooves, the guide notches are oblique line notches capable of enabling the corresponding second guide columns to be pressed against, and arc transition capable of enabling the corresponding second guide columns to pass through smoothly is arranged at the joint of the inner ends of the notches and the second guide grooves.
The upper side of the turntable is provided with a self-locking shaft which is positioned above the center of a connecting line between the two second guide pillars; notches are respectively arranged on the upper sides of the second guide grooves of the left sliding block and the right sliding block; the self-locking shaft moves and shifts in the left-supporting slide block notch and the right-supporting slide block notch along with the forward/backward rotation of the rotary table so as to prevent one broken circuit breaker from generating misoperation.
The clamping parts of the left slider and the right slider are of U-shaped structures.
The first guide slots of the left slider and the right slider are respectively two, the two first guide slots are distributed side by side, and the first guide pillars arranged on the mounting plate are respectively matched with the corresponding first guide slots in a sliding manner.
The first guide grooves of the left sliding block and the right sliding block are further divided into two separated groove sections, and the first guide pillars arranged on the mounting plate are respectively matched with the groove sections of the corresponding first guide grooves in a sliding mode.
The invention has the beneficial effects that: compared with the prior art, the rotary table is adopted to replace a gear to drive the left and right sliding blocks to longitudinally slide, and the rotary table is arranged on the motor shaft and is positioned above a transverse central connecting line of the left circuit breaker and the right circuit breaker, so that the condition that the left and right sliding blocks slide and deform due to unbalanced force in the sliding process when the rotary table is arranged below the transverse central connecting line of the left and right circuit breakers is avoided; because the opposite inner ends of the left sliding block and the right sliding block are provided with the second guide grooves along the transverse direction, the lower sides of the second guide grooves are provided with the guide notches which can enable the corresponding second guide posts to be pressed against, and the guide notches are oblique line notches, the second guide posts of the rotary table can be pressed against the guide notches along with the forward/reverse rotation of the rotary table and push the right/left sliding block to do the longitudinal sliding action so as to toggle the switch of the right/left circuit breaker; because the upper side of the turntable is provided with the self-locking shaft, and the self-locking shaft moves and changes positions in the sliding block notch which is pressed to the left and the sliding block notch which is pressed to the right along with the forward/backward rotation of the turntable, the misoperation of one broken circuit breaker can not occur. Obviously, compared with the existing automatic change-over switch, the change-over device has the characteristics of simple structure, ingenious design, convenient assembly, obvious effect, lower cost and the like.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the switching device capable of driving the circuit breaker to automatically switch according to the present invention is not limited to the embodiment.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a block diagram of the present invention (not in operation);
FIG. 3 is a block diagram of the present invention (operating state one);
fig. 4 is a structural diagram of the present invention (operation state two).
Detailed Description
In an embodiment, please refer to fig. 1 and fig. 2, the switching device capable of driving circuit breakers to switch automatically according to the present invention includes a mounting plate 2, a rotating disk 3, a left slider 4 and a right slider 5 for controlling a left circuit breaker and a right circuit breaker (not shown in the figure) to switch on/off alternately; the mounting plate 2 is arranged between the left circuit breaker and the right circuit breaker; the left sliding block 4 and the right sliding block 5 are respectively arranged on the left side and the right side of the mounting plate 2 in a sliding way; the opposite outer ends of the left slider 4 and the right slider 5 are respectively provided with a clamping part 44 and a clamping part 54 for driving the switch toggle button of the corresponding circuit breaker to act, namely the left slider 4 is provided with the clamping part 44, and the right slider 5 is provided with the clamping part 54; the left slider 4 and the right slider 5 are respectively provided with a first guide groove 42 and a first guide groove 52 along the longitudinal direction, namely the left slider 4 is provided with the first guide groove 42, and the right slider 5 is provided with the first guide groove 52; the mounting plate 2 is provided with first guide posts 21 and 22, the first guide grooves 42 and 52 of the left slider 4 and the right slider 5 are respectively matched with the corresponding first guide posts 21 and 22 on the mounting plate 2 in a sliding manner so that the left slider 4 and the right slider 5 can respectively slide along the longitudinal direction, namely the first guide post 21 is matched with the first guide groove 42 in a sliding manner, and the first guide post 22 is matched with the first guide groove 52 in a sliding manner; the rear end of the mounting plate 2 is provided with a motor 1, and a rotating shaft of the motor 1 penetrates out of the front end of the mounting plate 2; the rotary table 3 is arranged on a rotating shaft of the motor 1 through a shaft sleeve 11 and is positioned above a transverse central connecting line of the left circuit breaker and the right circuit breaker; the two sides of the lower side of the rotary disk 3 are respectively provided with a second guide pillar 32, 33 for pushing the left slider 4 and the right slider 5 to move, the opposite inner ends of the left slider 4 and the right slider 5 are respectively provided with a second guide groove 41, 51 along the transverse direction, the two second guide pillars 32, 33 of the rotary disk 3 are respectively correspondingly matched with the second guide grooves 41, 51 of the left slider 4 and the right slider 5 so that the rotation of the rotary disk 3 can push the left slider 4 and the right slider 5 to move, namely, the second guide pillar 32 is matched with the second guide groove 41 so that the rotation of the rotary disk 3 can push the left slider 4 to move, and the second guide pillar 33 is matched with the second guide groove 51 so that the rotation of the rotary disk 3 can push the right slider.
Wherein,
in the left slider 4 and the right slider 5, guide notches 411 and 511 communicated with the second guide grooves 41 and 51 are respectively arranged along the lower edges of the second guide grooves 41 and 51, namely the second guide groove 41 is provided with the guide notch 411, the second guide groove 51 is provided with the guide notch 511, the guide notches 411 and 511 are oblique line notches which can enable the corresponding second guide columns 32 and 33 to be pressed against, and the joints of the inner ends of the guide notches 411 and 511 and the second guide grooves 41 and 51 are provided with arc-shaped transition which can enable the corresponding second guide columns 32 and 33 to smoothly pass through;
the upper side of the rotary table 3 is provided with a self-locking shaft 31, and the self-locking shaft 31 is positioned above the center of a connecting line between the two second guide pillars 32 and 33; notches 412 and 512 are respectively arranged on the upper sides of the second guide grooves 41 and 51 of the left slider 4 and the right slider 5, namely the left slider 4 is provided with the notch 412, and the right slider 5 is provided with the notch 512; the self-locking shaft 31 moves and shifts in the notch 412 of the left sliding block 4 and the notch 512 of the right sliding block 5 along with the forward/backward rotation of the rotary disc 3 so as to prevent one broken circuit breaker from generating misoperation;
the clamping parts 44 and 54 of the left slider 4 and the right slider 5 are both in U-shaped structures;
the number of the first guide grooves 42 and 52 of the left slider 4 and the right slider 5 is two, the two first guide grooves 42 of the left slider 4 and the two first guide grooves 52 of the right slider 5 are distributed side by side, and the first guide posts 21 and 22 arranged on the mounting plate 2 are matched with the corresponding first guide grooves 42 and 52 in a sliding manner;
one of the first guide grooves 42 and 52 of the left slider 4 and the right slider 5 is also respectively divided into two separated groove sections, and the first guide columns 21 and 22 arranged on the mounting plate 2 are respectively matched with the corresponding groove sections of the first guide grooves 42 and 52 in a sliding manner;
two strip-shaped through holes 23 and 24 which are respectively consistent with the moving directions of the left sliding block 4 and the right sliding block 5 are arranged in the middle of the bottom end of the mounting plate 2, and two microswitch boxes (not shown in the figure) are respectively arranged at two ends of the strip-shaped through holes 23 and 24 corresponding to the lower end surface of the mounting plate 2; the bottoms of the opposite inner ends of the left slider 4 and the right slider 5 are respectively provided with a micro-switch push rod 43 and 53, and the micro-switch push rods 43 and 53 are respectively in sliding fit with the two strip-shaped through holes 23 and 24 so that the micro-switch push rods 43 and 53 can respectively touch the micro-switches at the two ends of the strip-shaped through holes 23 and 24 in the sliding process of the left slider 4 and the right slider 5 to enable the motor 1 to generate corresponding actions.
The switching device capable of driving the circuit breaker to automatically switch has two working states, which are shown in fig. 3 and fig. 4 respectively. In fig. 3, the clamping portion 44 of the left slider 4 pulls the switch button of the left circuit breaker upward to turn on the left circuit breaker, the first guide post 21 on the mounting plate 2 abuts against the bottom edge of the first guide slot 42 of the left slider 4, the micro switch push rod 43 on the left slider 4 slides to the top edge of the strip-shaped through hole 23, and the first guide post 32 of the rotary plate 3 abuts against the upper wall of the second guide slot 41; conversely, the clamping portion 54 of the right slider 5 makes the switch button of the right circuit breaker be in the off position, and the first guide post 22 on the mounting plate 2 is pressed against the top edge of the first guide slot 52 of the right slider 5, the micro switch push rod 53 on the right slider 5 slides to the bottom edge of the strip-shaped through hole 24, and the self-locking shaft 31 of the rotary plate 3 is in the position of the notch 512.
When the left circuit breaker suddenly trips, a switch toggle button of the left circuit breaker drives the left slider 4 to move downwards so that the microswitch push rod 43 of the left slider 4 moves towards the bottom end of the strip-shaped through hole 23 to switch on the microswitch, and therefore the motor 1 drives the turntable 3 to rotate; when the rotary plate 3 rotates, the second guide post 32 on the rotary plate 3 slides out of the second guide slot 41 of the left slide block 4 and slides downwards along the guide notch 411; meanwhile, the second guide post 33 on the rotary disc 3 will press against the end of the guide notch 511 of the right slide block 5 and enter the second guide groove 51 to push the right slide block 5 to move upwards, and the microswitch push rod 53 on the right slide block 5 will move towards the top end of the strip-shaped through hole 24; when the right slider 5 moves to the right position, the micro switch pushing rod 53 slides to the top edge of the strip-shaped through hole 24 to trigger the micro switch, so that the controller outputs a control signal to the motor 1, the micro switch is switched off, the motor 1 stops rotating, and the turntable 3 also stops rotating. At this time, the first guide post 22 abuts against the bottom edge of the first guide groove 52 of the right slider 5, and the clamping portion 54 of the right slider 5 pulls up the switch button of the right circuit breaker to turn on the right circuit breaker. In the rotation process of the rotary plate 3, the self-locking shaft 31 of the rotary plate 3 rotates from the notch 512 of the right slide block 5 to the notch 412 of the left slide block 4, the first guide post 21 abuts against the top edge of the first guide groove 42 of the left slide block 4, and the micro-switch push rod 43 slides to the bottom edge of the strip-shaped through hole 23. Referring to fig. 4, this is another operation state of the switching device. Because the switching between the left slider 4 and the right slider 5 of the switching device is very rapid, the switching between the left circuit breaker and the right circuit breaker is also very rapid, when the circuit breaker on one side suddenly trips, the circuit breaker on the other side can rapidly replace the disconnected circuit breaker to continue working, and the electric meter can continuously and stably work.
The above embodiments are only used to further illustrate the switching device capable of driving the circuit breaker to automatically switch according to the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. A switching device capable of driving circuit breakers to switch automatically comprises a mounting plate, a rotary table, a left slide block and a right slide block, wherein the left slide block and the right slide block are respectively used for controlling a left circuit breaker and a right circuit breaker to be switched on/off alternately; the mounting plate is arranged between the left circuit breaker and the right circuit breaker; the left sliding block and the right sliding block are respectively installed on the left side and the right side of the installation plate in a sliding mode; the opposite outer ends of the left sliding block and the right sliding block are respectively provided with a clamping part for driving a switch toggle button of the corresponding circuit breaker to act; the method is characterized in that: the left sliding block and the right sliding block are respectively provided with a first guide groove along the longitudinal direction, the mounting plate is provided with a first guide pillar, and the first guide grooves of the left sliding block and the right sliding block are respectively matched with the corresponding first guide pillars on the mounting plate in a sliding manner so that the left sliding block and the right sliding block can slide along the longitudinal direction; the rear end of the mounting plate is provided with a motor, and a rotating shaft of the motor penetrates out of the front end of the mounting plate; the turntable is arranged on the motor shaft and is positioned above a transverse central connecting line of the left circuit breaker and the right circuit breaker; two sides of the lower side of the rotary table are respectively provided with a second guide post for pushing the left slide block and the right slide block to move, the opposite inner ends of the left slide block and the right slide block are provided with a second guide groove along the transverse direction, and the two second guide posts of the rotary table are respectively correspondingly matched with the second guide grooves of the left slide block and the right slide block so that the rotary table can push the left slide block and the right slide block to move by rotating;
in the left slider and the right slider, guide notches communicated with the second guide grooves are respectively arranged along the lower sides of the second guide grooves, the guide notches are oblique line notches capable of enabling the corresponding second guide columns to be pressed against, and arc transition capable of enabling the corresponding second guide columns to pass through smoothly is arranged at the joint of the inner ends of the notches and the second guide grooves.
2. The switching device capable of driving the circuit breaker to automatically switch according to claim 1, wherein: the upper side of the turntable is provided with a self-locking shaft which is positioned above the center of a connecting line between the two second guide pillars; notches are respectively arranged on the upper sides of the second guide grooves of the left sliding block and the right sliding block; the self-locking shaft moves and shifts in the left-supporting slide block notch and the right-supporting slide block notch along with the forward/backward rotation of the rotary table so as to prevent one broken circuit breaker from generating misoperation.
3. The switching device capable of driving the circuit breaker to automatically switch according to claim 1, wherein: the clamping parts of the left slider and the right slider are of U-shaped structures.
4. The switching device capable of driving the circuit breaker to automatically switch according to claim 1, wherein: the first guide slots of the left slider and the right slider are respectively two, the two first guide slots are distributed side by side, and the first guide pillars arranged on the mounting plate are respectively matched with the corresponding first guide slots in a sliding manner.
5. The switching device capable of driving the circuit breaker to automatically switch according to claim 1, wherein: the first guide grooves of the left sliding block and the right sliding block are further divided into two separated groove sections, and the first guide pillars arranged on the mounting plate are respectively matched with the groove sections of the corresponding first guide grooves in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910246734 CN102074391B (en) | 2009-11-23 | 2009-11-23 | Switching device capable of driving breaker to realize automatic switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910246734 CN102074391B (en) | 2009-11-23 | 2009-11-23 | Switching device capable of driving breaker to realize automatic switching |
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| Publication Number | Publication Date |
|---|---|
| CN102074391A CN102074391A (en) | 2011-05-25 |
| CN102074391B true CN102074391B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910246734 Active CN102074391B (en) | 2009-11-23 | 2009-11-23 | Switching device capable of driving breaker to realize automatic switching |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428116A (en) * | 2015-12-31 | 2016-03-23 | 德力西电气有限公司 | Dual-power source switching mechanism and automatic change-over switch |
| CN110120310A (en) * | 2019-04-30 | 2019-08-13 | 厦门宏发开关设备有限公司 | A kind of automatic switching control equipment of dual power supply |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556971U (en) * | 2009-11-23 | 2010-08-18 | 厦门宏美电子有限公司 | Switching device capable of driving circuit breaker to be switched automatically |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556971U (en) * | 2009-11-23 | 2010-08-18 | 厦门宏美电子有限公司 | Switching device capable of driving circuit breaker to be switched automatically |
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Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361021 No. 566 Applicant after: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO., LTD. Address before: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361021 No. 566 Applicant before: Xiamen Hongmei Electronic Co., Ltd. |
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