CN109755055B - Operating mechanism with re-buckling function for automatic change-over switch - Google Patents
Operating mechanism with re-buckling function for automatic change-over switch Download PDFInfo
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- CN109755055B CN109755055B CN201910152689.2A CN201910152689A CN109755055B CN 109755055 B CN109755055 B CN 109755055B CN 201910152689 A CN201910152689 A CN 201910152689A CN 109755055 B CN109755055 B CN 109755055B
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Abstract
The invention relates to an operating mechanism with a re-buckling function for an automatic transfer switch, which comprises a control wheel, wherein one side of the control wheel is provided with a common rocker arm, and the other side of the control wheel is provided with a spare rocker arm. One side of the upper part of the operating wheel is a common switching-on operating surface of the operating wheel, and the other side of the upper part of the operating wheel is a standby switching-on operating surface of the operating wheel; one side of the middle part of the control wheel is provided with a control wheel common rebutting operation boss, and the other side of the middle part is provided with a control wheel standby rebutting operation boss; a first middle operating wheel shaft and a second middle right operating wheel shaft are arranged on the left side of the middle part; one side of the lower part of the control wheel is provided with a first limit groove of the control wheel, and the other side of the lower part is provided with a second limit groove of the control wheel. One side of the common rocker arm is provided with a common rocker arm first shaft, and the other side of the common rocker arm is provided with a common rocker arm second shaft and a common rocker arm elongated slot. One side of the spare rocker arm is provided with a spare rocker arm first shaft, and the other side of the spare rocker arm is provided with a spare rocker arm second shaft and a spare rocker arm elongated slot. The invention has reliable structure, reduces parts and processes in the automatic change-over switch, and improves the strength and reliability of the control wheel of the automatic change-over switch.
Description
Technical Field
The invention belongs to the technical field of low-voltage apparatus automatic transfer switch electric equipment, and particularly relates to an operating mechanism with a re-buckling function for an automatic transfer switch.
Background
In the modern times, the requirements for power utilization and the stability of power supply are increasingly enhanced, and the importance of the automatic change-over switch electric appliance is increasingly improved. As the conversion between two power supplies, a continuous and reliable power supply is provided for the load so as to ensure the continuous operation of the important load.
In the existing automatic transfer switching apparatus, a switch body of the automatic transfer switching apparatus is provided with a motor, a fixed plate, a control wheel and a rocker arm. The control wheel comprises a control wheel base body, a bearing ball and a handle operation shaft sleeve, and the fixing plate comprises a fixing plate base body and a limiting column fixed on the fixing plate base body through a screw. The operating wheel is provided with a long circular arc-shaped limiting hole which is matched with the limiting column on the fixed plate. The motor rotates under the instruction of the controller, the motor shaft drives the operating wheel to rotate together, meanwhile, the long circular arc-shaped limiting hole moves along the limited track, the rotating of the operating wheel enables the ball on the operating wheel to drive the rocker arm to rotate, and the rotating of the rocker arm pushes the opening and closing operation of the handle of the molded case circuit breaker. When the molded case circuit breaker is switched on in place, two ends of the long circular arc-shaped limiting hole of the operating wheel contact the limiting columns, the operating wheel stops rotating, and the limiting effect on the operating wheel is achieved. The current mechanism does not have the operation of detaining again or detain the operation in-process again, and the control wheel receives one side closing force simultaneously the opposite side and receives the power of detaining again, and the circuit breaker handle is in the state of compressing tightly for a long time, influences circuit breaker life.
In the installation and movement processes, the limiting column is installed on the fixed plate through screws, and when the molded case circuit breaker is switched on, the limiting column can be impacted by the end face of the long circular arc limiting hole of the operating wheel at each time, so that the hidden danger of loosening of the screws is caused. The base body of the control wheel is matched with the shaft sleeve operated by the handle through screws, so that the assembly process is more, the cost is high, and no indication of the state of the control wheel exists.
Disclosure of Invention
The invention aims to reduce parts and processes in an automatic transfer switch and improve the strength and reliability of an operating wheel of the automatic transfer switch.
According to the technical scheme provided by the invention: an operating mechanism with a re-buckling function for an automatic transfer switch comprises a control wheel, wherein a common rocker arm is arranged on one side of the control wheel, and a standby rocker arm is arranged on the other side of the control wheel.
As a further improvement of the invention, one side of the upper part of the operating wheel is a common switching-on operating surface of the operating wheel, and the other side of the upper part is a standby switching-on operating surface of the operating wheel; one side of the middle part of the control wheel is provided with a control wheel common rebutting operation boss, and the other side of the middle part is provided with a control wheel standby rebutting operation boss; one side of the middle part is provided with a first operating wheel shaft, and the other side of the middle part is provided with a second operating wheel shaft; one side of the lower part of the operating wheel is provided with a first limiting groove of the operating wheel, and the other side of the lower part of the operating wheel is provided with a second limiting groove of the operating wheel.
As a further improvement of the invention, one side of the common rocker arm is provided with a first shaft of the common rocker arm, and the other side of the common rocker arm is provided with a second shaft of the common rocker arm and a long groove of the common rocker arm.
As a further improvement of the invention, one side of the spare rocker arm is provided with a spare rocker arm first shaft, and the other side of the spare rocker arm is provided with a spare rocker arm second shaft and a spare rocker arm long groove.
As a further improvement of the invention, the operating wheel is connected with the output rotating shaft of the motor.
As a further improvement of the invention, a manual operation hole is arranged in the middle of the operating wheel.
As a further improvement of the invention, the steering wheel is engraved with a status indicator.
Compared with the prior art, the invention has the following advantages:
1. The invention has simple structure and small occupied space; the control wheel is integrally formed, so that the borne torque is improved, fixed parts are reduced, the assembly process is reduced, and reliable interlocking can be performed.
2. The control wheel has a rebutting function.
3. The steering wheel has a state indicating function.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic front view of the structure of fig. 1.
Fig. 3 is a left side view of the structure of fig. 1.
Fig. 4 is a right-view structural diagram of fig. 1.
FIG. 5 is a schematic structural diagram of the present invention during opening.
Fig. 6 is a schematic structural diagram of the present invention in a normal closing state.
Fig. 7 is a schematic structural diagram of the standby switch-on state of the present invention.
Fig. 8 is a schematic structural view of a conventional swing arm according to the present invention.
Fig. 9 is a schematic structural view of a backup rocker arm of the present invention.
Fig. 10 is a schematic structural view of the steering wheel of the present invention.
Fig. 11 is a schematic structural diagram of a housing status indication panel according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the drawings 1-10, the device comprises 1 common power module, 1-1 common power switch handle, 2 mounting plate, 3 standby power module, 3-1 standby power switch handle, 4 housing, 5 motor, 6 fixing plate, 7 operating wheel, 7-1 operating wheel first shaft, 7-2 operating wheel second shaft, 7-3 operating wheel common closing operating surface, 7-4 operating wheel standby closing operating surface, 7-5 operating wheel common re-buckling operating boss, 7-6 operating wheel standby re-buckling operating boss, 7-7 operating wheel first limit groove, 7-8 operating wheel second limit groove, 7-9 manual operating hole, 8 common rocker arm, 8-1 rocker arm first shaft, 8-2 common rocker arm second shaft, 8-3 parts of a common rocker arm elongated slot, 9 parts of a standby rocker arm, 9-1 parts of a standby rocker arm first shaft, 9-2 parts of a standby rocker arm second shaft, 9-3 parts of a standby rocker arm elongated slot, 10 parts of a common power supply guide plate, 11 parts of a standby power supply guide plate, 12 parts of a common power supply guide rod shaft, 13 parts of a standby power supply guide rod shaft, 14 parts of a common rocker arm support, 15 parts of a standby rocker arm support and the like.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-10, an automatic transfer switch operating mechanism with a re-buckling function includes a mounting plate 2, a common power module 1 and a standby power module 3 are mounted at two ends of the mounting plate 2, a switching-on and switching-off operating mechanism is arranged between the common power module 1 and the standby power module 3, and the switching-on and switching-off operating mechanism realizes switching of an automatic transfer switch electric appliance between switching-off and switching-on.
As shown in fig. 3-4, the common power module 1 includes a common power switch handle 1-1. The standby power supply module 3 comprises a standby power supply switch handle 3-1.
As shown in fig. 2, the switching-on/off operation mechanism includes a motor 5 and a fixing plate 6, and the fixing plate 6 is tightly mounted on the common power module 1 and the standby power module 3. The motor 5 is fixedly arranged below the fixing plate 6. An output rotating shaft of the motor 5 vertically penetrates through the fixing plate 6. The control wheel 7 is installed on the output rotating shaft of the motor 5 and can rotate clockwise/anticlockwise along with the rotating shaft of the motor 5. As shown in fig. 10, the left side of the upper part of the control wheel 7 is a control wheel common closing operation surface 7-3, the right side of the upper part is a control wheel standby closing operation surface 7-4, the left side of the middle part of the control wheel 7 is a control wheel common reclosing operation boss 7-5, the right side of the middle part is a control wheel standby reclosing operation boss 7-6, the left side and the right side of the middle part are symmetrically provided with a control wheel first shaft 7-1 and a control wheel second shaft 7-2, the left side of the lower part of the control wheel 7 is provided with a control wheel first limit groove 7-7, and the right side of the lower part is provided with a control wheel second. In this embodiment, the operating wheel normal refastening operation boss 7-5 and the operating wheel standby refastening operation boss 7-6 are circular arc surfaces, and the outer circumference thereof is farthest from the rotation center of the operating wheel 7 relative to the rest of the outer circumference of the operating wheel 7. This ensures that a reliable refastening is achieved. When preparing the switching-on operation of the common power module 1, the first shaft 7-1 of the operating wheel is in contact with the long groove 8-3 of the common rocker arm arranged on the right side of the common rocker arm 8, so that the first section of switching-on stroke of the common power module 1 is realized. When the standby power supply module 3 is prepared for switching-on operation, the second shaft 7-2 of the control wheel is in contact with the standby rocker arm long groove 9-3 formed in the left side of the standby rocker arm 9, and the first section of stroke of switching-on of the standby power supply module 3 is achieved.
As shown in fig. 2 and 5, a common rocker arm stand 14 is fixedly installed between the common power guide 10 and the steering wheel 7, and a backup rocker arm stand 15 is fixedly installed between the backup power guide 11 and the steering wheel 7. The middle part of a common rocker arm 8 is rotatably arranged on a common rocker arm support 14, the common rocker arm 8 can rotate around the common rocker arm support 14, a first shaft 8-1 of the common rocker arm is arranged on the left side of the common rocker arm 8, the first shaft 8-1 of the common rocker arm is arranged in a kidney-shaped groove of a common power guide plate 10 and can slide in the kidney-shaped groove of the common power guide plate 10, and a buffer is arranged in the common power guide plate 10. When the common rocker arm 8 can rotate around the common rocker arm support 14, the common rocker arm first shaft 8-1 slides in the kidney-shaped groove of the common power guide plate 10, and pushes the common power guide plate 10 to slide up and down along the common power guide rod shaft 12. A second shaft 8-2 of the common rocker arm is arranged at the right side of the common rocker arm 8. As shown in fig. 5, when the common power module 1 is ready to be switched on, the control wheel 7 rotates counterclockwise, the long slot 8-3 of the common rocker arm contacts with the first shaft 7-1 of the control wheel to realize a first switching-on stroke of the common power module 1, and when the control wheel 7 rotates counterclockwise through a certain angle, the second shaft 8-2 of the common rocker arm contacts with the common switching-on control surface 7-3 of the control wheel to complete a second switching-on stroke of the common power module 1 (as shown in fig. 6).
As shown in fig. 2 and 5, the middle of the backup rocker arm 9 is rotatably mounted on the backup rocker arm support 15, the backup rocker arm 9 can rotate around the backup rocker arm support 15, the right side of the backup rocker arm 9 is provided with a backup rocker arm first shaft 9-1, the backup rocker arm first shaft 9-1 is disposed in the kidney-shaped slot of the backup power guide plate 11 and can slide in the kidney-shaped slot of the backup power guide plate 11, and when the backup rocker arm 9 can rotate around the backup rocker arm support 15, the backup rocker arm first shaft 9-1 slides in the kidney-shaped slot of the backup power guide plate 11 to push the backup power guide plate 11 to slide up and down along the backup power guide rod shaft 13. A buffer is provided in the backup power guide 11. A spare rocker arm second shaft 9-2 is arranged at the left side of the spare rocker arm 9. As shown in fig. 5, when the standby power module 3 is ready to be switched on, the control wheel 7 rotates clockwise, the standby rocker arm long slot 9-3 contacts with the control wheel second shaft 7-2 to realize a first switching-on stroke of the standby power module 3, and after the control wheel 7 rotates clockwise by a certain angle, the standby rocker arm second shaft 9-2 contacts with the control wheel standby switching-on control surface 7-4 to complete a second switching-on stroke of the standby power module 3 (as shown in fig. 7).
And when the common closing operation surface 7-3 of the control wheel is stably contacted with the second shaft 8-2 of the common rocker arm, closing of the common power module 1 is completed. And when the standby closing operation surface 7-4 of the control wheel is stably contacted with the standby rocker arm second shaft 9-2, closing of the standby power supply module 3 is completed. The arc-shaped operating wheel common rebutting operation boss 7-5 and the operating wheel standby rebutting operation boss 7-6 can achieve rebutting operation after the common power module 1 or the standby power module 3 is tripped in an overload mode. As shown in fig. 6, when the common power module 1 is switched on in place, the second limiting groove 7-8 of the control wheel contacts the second shaft 9-2. As shown in fig. 7, when the standby power module 3 is switched on in place, the first limiting groove 7-7 of the control wheel contacts with the second shaft 8-2 of the common rocker arm.
As shown in fig. 5, a common power guide shaft 12 and a backup power guide shaft 13 are fixedly installed on the fixing plate 6 and disposed at both sides of the steering wheel 7.
As shown in fig. 5, the common power guide plate 10 is mounted on the common power guide rod shaft 12 and can move up and down along the common power guide rod shaft 12, so as to drive the common power switch handle 1-1 on the common power module 1 to switch on and off. The standby power supply guide plate 11 is installed on the standby power supply guide rod shaft 13 and can move up and down along the standby power supply guide rod shaft 13, so that the standby power supply switch handle 3-1 on the standby power supply module 3 is driven to be switched on and off.
As shown in fig. 1, the fixing plate 6 is externally installed with a housing 4 to protect the electric appliance from the external environment.
Bearings are mounted at the end parts of the first operating wheel shaft 7-1, the second operating wheel shaft 7-2, the first common rocker arm shaft 8-1, the second common rocker arm shaft 8-2, the first standby rocker arm shaft 9-1 and the second standby rocker arm shaft 9-2, so that the motion resistance is reduced.
As shown in fig. 10, in order to facilitate the manual operation of the automatic transfer switching apparatus, a manual operation hole 7-9 is provided in the middle of the handle wheel 7. The conventional inner hexagonal handle can be put into the manual operation hole 7-9 to drive the control wheel 7 to rotate. The manual operation holes 7-9 and the control wheel are integrally formed, so that the assembly process is reduced, the structure is simple, and larger torque can be borne.
As shown in fig. 10 and 11, in order to observe the state of the electric appliance, corresponding state marks are engraved on the panel of the operating wheel 7 and the panel of the shell 4. In this embodiment, an arrow mark is marked on the control wheel 7, and the control panel is marked with "normally closed", "power off", and "standby" from left to right in sequence.
The operating process of the operating mechanism for the automatic transfer switch with the rebuttoning function is as follows: as shown in fig. 6, in the initial state, the left common power module 1 is in the on state, and the right standby power module 3 is in the off state. Firstly, under the control of the controller, the motor 5 is rotated in the clockwise direction, thereby driving the control wheel 7 to rotate in the clockwise direction. In the process of clockwise rotation of the operating wheel 7, the lower end of a first operating wheel shaft 7-1 on the left side of the operating wheel 7 slides into a long groove 8-3 of a common rocker arm, and simultaneously the upper end of a second standby rocker arm shaft 9-2 slides out of a second limiting groove 7-8 of the operating wheel, so that the upper end of the second standby rocker arm shaft 9-2 is in contact with a standby re-buckling operation boss 7-6 of the operating wheel, and the standby power supply module 3 reaches the maximum breaking position, namely the re-buckling position (namely the standby power supply guide plate 11 is positioned at the lowest end). The lower end of the first operating wheel shaft 7-1 is not contacted with the upper edge line of the long groove 8-3 of the common rocker arm, so the first operating wheel shaft 7-1 is not acted by the common rocker arm 8. The motor 5 continues to rotate clockwise, the lower end of the first shaft 7-1 of the operating wheel contacts the upper edge line of the long groove 8-3 of the common rocker arm, the common rocker arm 8 rotates anticlockwise around the common rocker arm support 14 under the pushing of the first shaft 7-1 of the operating wheel, the lower end of the first shaft 8-1 of the common rocker arm slides in the kidney-shaped groove of the common power supply guide plate 10, the common power supply guide plate 10 is pushed to move downwards along the common power supply guide rod shaft 12, the common power supply guide plate 10 moves downwards to drive the common power supply switch handle 1-1 of the common power supply module 1 to move downwards, and the common power supply module 1 starts to be switched off. Meanwhile, the upper end of the second shaft 9-2 of the spare rocker arm is always in the arc contact process with the spare re-buckling operation boss 7-6 of the operating wheel, the spare rocker arm 9 is not rotated, and therefore acting force of the spare rocker arm 9 is not applied, and output power of the motor 5 is low.
the motor 5 continues to rotate clockwise to open the common power module 1, and at this time, the operating mechanism for the automatic transfer switch with the rebuttoning function is in a double-division state, as shown in fig. 5. The motor 5 continues to rotate clockwise, the lower end of the second shaft 7-2 of the operating wheel begins to slide into the long groove 9-3 of the standby rocker arm, and meanwhile, the second shaft 8-2 of the common rocker arm is in contact with the common rebutch operating boss 7-5 of the operating wheel, so that the common power supply module 1 reaches the maximum breaking position, namely the rebutch position (namely the common power supply guide plate 10 is at the lowest end). Since the second control wheel shaft 7-2 is not yet in contact with the lower edge line of the long groove 9-3 of the spare rocker arm, the second control wheel shaft 7-2 is not acted by the spare rocker arm 9. The motor 5 continues to rotate clockwise, the lower end of the second operating wheel shaft 7-2 contacts the lower edge line of the long groove 9-3 of the standby rocker arm, the standby rocker arm 9 rotates anticlockwise around the standby rocker arm support 15 under the pushing of the second operating wheel shaft 7-2, the first standby rocker arm shaft 9-1 slides in the kidney-shaped groove of the standby power supply guide plate 11 and pushes the standby power supply guide plate 11 to move upwards along the standby power supply guide rod shaft 13, and the standby power supply guide plate 11 moves upwards to drive the standby power supply switch handle 3-1 of the standby power supply module 3 to move upwards, so that the standby power supply module 3 starts to be switched on. Meanwhile, the second shaft 8-2 of the common rocker arm is always in the arc contact process with the common rebutch operating boss 7-5 of the operating wheel, the common rocker arm 8 is not rotated, and therefore the acting force of the common rocker arm 8 is not applied, and the output power of the motor 5 is small. The motor 5 continues to rotate clockwise, the standby closing operation surface 7-4 of the operating wheel is in contact with the standby rocker arm second shaft 9-2, the standby closing operation surface 7-4 of the operating wheel pushes the standby rocker arm second shaft 9-2 to enable the standby rocker arm 9 to continue to rotate anticlockwise around the standby rocker arm support 15, the standby rocker arm first shaft 9-1 slides in the kidney-shaped groove of the standby power supply guide plate 11 to push the standby power supply guide plate 11 to continue to move upwards along the standby power supply guide rod shaft 13, and the standby power supply guide plate 11 moves upwards to drive the standby power supply switch handle 3-1 of the standby power supply module 3 to move upwards so that the standby power supply module 3 is closed in place. Meanwhile, the common rocker arm second shaft 8-2 is separated from the common rebutch operation boss 7-5 of the control wheel and enters the first limit groove 7-7 of the control wheel, and when the standby power module 3 is switched on in place, the common rocker arm second shaft 8-2 is in contact with the first limit groove 7-7 of the control wheel in place, so that the rotation of the control wheel 7 is limited. The impact force of the operating wheel 7 rotating in place on the standby power switch handle 3-1 of the standby power module 3 is reduced. When the operating wheel 7 starts to rotate clockwise at the position shown in fig. 5, the standby power module 3 starts to prepare for switching-on operation, and meanwhile, the common rocker second shaft 8-2 is used for buckling the operating boss 7-5 to move to the first limiting groove 7-7 of the operating wheel, so that the common rocker 8 is limited to rotate clockwise around the common rocker support 14, the common power module 1 cannot be switched on, and the interlocking effect is achieved.
Similarly, in the initial state shown in fig. 7, the motor 5 rotates counterclockwise to switch off the standby power module 3 and switch on the normal power module 1.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides an operating device for automatic transfer switch with detain function again which characterized in that: the mechanism comprises a control wheel (7), wherein a common rocker arm (8) is arranged on one side of the control wheel (7), a spare rocker arm (9) is arranged on the other side of the control wheel (7), a common switching-on operation surface (7-3) of the control wheel is arranged on one side of the upper part of the control wheel (7), and a spare switching-on operation surface (7-4) of the control wheel is arranged on the other side of the upper part of the control wheel; one side of the middle part of the operating wheel (7) is provided with an operating wheel common rebutting operating boss (7-5), and the other side of the middle part is provided with an operating wheel standby rebutting operating boss (7-6); one side of the middle part is provided with a first operating wheel shaft (7-1), and the other side of the middle part is provided with a second operating wheel shaft (7-2); one side of the lower part of the operating wheel (7) is provided with a first operating wheel limiting groove (7-7), and the other side of the lower part is provided with a second operating wheel limiting groove (7-8); a common rocker arm first shaft (8-1) is arranged on one side of the common rocker arm (8), and a common rocker arm second shaft (8-2) and a common rocker arm long groove (8-3) are arranged on the other side of the common rocker arm (8); a spare rocker arm first shaft (9-1) is arranged on one side of the spare rocker arm (9), and a spare rocker arm second shaft (9-2) and a spare rocker arm elongated slot (9-3) are arranged on the other side of the spare rocker arm (9); the control wheel (7) is connected with an output rotating shaft of the motor (5).
2. The operating mechanism for an automatic transfer switch with a rebuttoning function according to claim 1, wherein: the middle part of the operating wheel (7) is provided with a manual operating hole (7-9).
3. The operating mechanism for an automatic transfer switch with a rebuttoning function according to claim 1, wherein: the operating wheel (7) is engraved with a state mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152689.2A CN109755055B (en) | 2019-02-28 | 2019-02-28 | Operating mechanism with re-buckling function for automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152689.2A CN109755055B (en) | 2019-02-28 | 2019-02-28 | Operating mechanism with re-buckling function for automatic change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109755055A CN109755055A (en) | 2019-05-14 |
| CN109755055B true CN109755055B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910152689.2A Active CN109755055B (en) | 2019-02-28 | 2019-02-28 | Operating mechanism with re-buckling function for automatic change-over switch |
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| Country | Link |
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| CN (1) | CN109755055B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696834B (en) * | 2020-06-17 | 2022-12-27 | 贵州电网有限责任公司 | Multifunctional intelligent switch for direct current feeder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2591838A1 (en) * | 2004-12-22 | 2006-06-29 | Square D Company | Switching mechanism with mechanical interlocking and manual override |
| CN104036986A (en) * | 2014-06-25 | 2014-09-10 | 云南追梦科技有限公司 | Transmission mechanism of dual power automatic transfer switch |
| CN104733252A (en) * | 2015-03-22 | 2015-06-24 | 富隆电气有限公司 | Micro-fault type double-power supply automatic change-over switch |
| CN105513843A (en) * | 2016-01-08 | 2016-04-20 | 常熟开关制造有限公司(原常熟开关厂） | Operating mechanism |
-
2019
- 2019-02-28 CN CN201910152689.2A patent/CN109755055B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2591838A1 (en) * | 2004-12-22 | 2006-06-29 | Square D Company | Switching mechanism with mechanical interlocking and manual override |
| CN104036986A (en) * | 2014-06-25 | 2014-09-10 | 云南追梦科技有限公司 | Transmission mechanism of dual power automatic transfer switch |
| CN104733252A (en) * | 2015-03-22 | 2015-06-24 | 富隆电气有限公司 | Micro-fault type double-power supply automatic change-over switch |
| CN105513843A (en) * | 2016-01-08 | 2016-04-20 | 常熟开关制造有限公司(原常熟开关厂） | Operating mechanism |
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|---|---|
| CN109755055A (en) | 2019-05-14 |
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