CN218299733U - Operating mechanism of dual-power automatic transfer switch - Google Patents
Operating mechanism of dual-power automatic transfer switch Download PDFInfo
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- CN218299733U CN218299733U CN202222361497.2U CN202222361497U CN218299733U CN 218299733 U CN218299733 U CN 218299733U CN 202222361497 U CN202222361497 U CN 202222361497U CN 218299733 U CN218299733 U CN 218299733U
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Abstract
The utility model relates to a dual supply automatic transfer switch's operating device, including casing, framework, actuating mechanism, the energy storage conversion subassembly of setting in the casing, energy storage conversion subassembly includes drive shaft, conversion support, converting shaft, swing arm, set-square, two energy storage springs, the conversion support on be provided with converting shaft matched with slide hole, converting shaft one end alternate in slide hole, the other end of converting shaft on be provided with the transmission assembly who is used for driving contact system divide-shut brake, the framework on correspond the both sides department of set-square and be provided with energy storage trip shaft commonly used, reserve energy storage trip shaft respectively, the set-square along with the conversion support action and contradict at energy storage trip shaft commonly used, reserve energy storage trip shaft respectively, can realize energy storage conversion subassembly commonly used energy or reserve energy storage. The utility model has the advantages of simple structure, stable and reliable performance, rapid switching, small operating force and low cost.
Description
Technical Field
The utility model relates to a dual supply automatic transfer switch, concretely relates to dual supply automatic transfer switch's operating device.
Background
At present, many industries and departments have very high requirements on the reliability of power supply, and in order to ensure the continuity of power supply, a dual-power automatic transfer switch is adopted for supplying power to an electric appliance in many important occasions. As an essential device for switching electric energy, the technical performance requirements are also higher and higher. The dual-power transfer switch is mainly divided into a PC-level dual-power automatic transfer switch and a CB-level dual-power automatic transfer switch. The PC level dual-power automatic transfer switch adopts a high isolation switch as an actuating mechanism, can be switched on and carried but cannot break short-circuit current, and can still keep power supply continuity when a load is overloaded. The CB-level dual-power automatic transfer switch adopts a circuit breaker as an actuating mechanism, is provided with an over-current release, and has an overload protection function on electric equipment and cables on a load side. It can connect, carry and break short circuit current, and can disconnect load when overload or short circuit occurs to the load. However, the operating mechanism of the existing PC-level dual-power automatic transfer switch is unreasonable in structural design, cannot realize pre-stored energy, is long in switching time, and causes a problem that the contact separation speed is low, the service life is short, and one path of contact is not completely switched and the other path of contact is already switched on, so that the inter-phase short circuit is caused, and potential safety hazards exist. The operating mechanism of the dual-power automatic transfer switch also has the defects of complex structural design, complex assembly, high production cost and large operating force.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance is reliable, switch rapidly, operating force is little, with low costs dual supply automatic transfer switch's operating device.
In order to achieve the above object, the utility model discloses an operating device of dual supply automatic transfer switch, including casing, the framework of setting in the casing, set up actuating mechanism on the framework, set up the energy storage conversion subassembly on the framework, the energy storage conversion subassembly include with actuating mechanism linkage complex drive shaft, with drive shaft linkage complex conversion support, rotate the change-over spindle that sets up on the framework, with change-over spindle linkage complex swing arm, rotate set up on the framework and with change-over support linkage complex set-square, set up two energy storage springs between conversion support and set-square, the conversion support on be provided with the sliding hole with change-over spindle matched with, change-over spindle one end alternate in the sliding hole, the other end of change-over spindle on be provided with the transmission assembly who is used for driving contact system divide-shut brake, the framework on correspond the both sides department of set-square respectively and be provided with energy storage trip axle commonly used, reserve energy storage trip axle, the set-square along with the change-over support action and contradict at energy storage trip axle, reserve energy storage trip axle commonly used, can realize the energy storage or reserve energy storage conversion subassembly commonly used.
The beneficial effect of above-mentioned structure is: the operating mechanism adopts a magnetic excitation type energy storage conversion structure design, the energy storage conversion structure design is simpler, and the operating force is smaller. Actuating mechanism passes through the drive shaft and drives the motion of conversion support, after the conversion support crosses dead point (midpoint), the tensile energy storage spring of conversion support, realize energy storage spring's energy storage, and the set-square moves along with the conversion support and contradicts respectively at energy storage trip shaft commonly used, reserve energy storage trip shaft, thereby can realize energy storage or reserve energy storage commonly used, user's accessible presses closing button or closing electromagnet drive energy storage trip shaft commonly used, reserve energy storage trip shaft rotates, can realize the dropout of set-square and energy storage trip shaft commonly used or reserve energy storage trip shaft, the spring release energy, the set-square, the swing arm drives the quick switching of change-over shaft, thereby this operating device's slew velocity is faster, switching time is shorter, thereby this dual power automatic transfer switch's contact separation velocity is faster, the higher life of disjunction ability is longer. Therefore, the operating mechanism of the dual-power automatic transfer switch has the advantages of simple structure, stable and reliable performance, rapid switching, small operating force and low cost.
Particularly, the transmission assembly comprises a transmission gear which is arranged at the other end of the conversion shaft in a linkage manner, an output wheel which is rotatably arranged on the framework and is in linkage fit with the transmission gear, and a cover plate which is arranged on the framework and covers the transmission gear and the output wheel, wherein a section of gear teeth which are meshed with the transmission gear are arranged on the output wheel, and a tooth-shaped groove which is clamped with an inner rotor of the contact system is arranged on the output wheel. The output wheel of the transmission assembly is clamped with the inner rotor of the contact system, so that the transmission assembly and the contact system are convenient to assemble, the assembly is more convenient, the output wheel drives the inner rotor of the contact system through the tooth-shaped groove, and the transmission of the output wheel and the inner rotor is more stable.
Particularly, the cover plate is provided with a microswitch on two sides corresponding to the driving shaft, the cover plate is provided with an arc hole for the driving shaft to pass through, the driving shaft can reciprocate in the arc hole and can trigger the two microswitches respectively, and the microswitch is switched on or switched off. The two micro switches can monitor the position of the driving shaft, and the two micro switches can send the monitored position signals to the background, so that the background can know the working state of the dual-power automatic transfer switch, and the working reliability of the dual-power automatic transfer switch is improved.
Particularly, the set square include two triangle driving plates that the symmetry set up, set up a plurality of rotation axes between two triangle driving plates, correspond the fixed axle that the switching shaft top department set up between two triangle driving plates, the rotation axis of two triangle driving plate upper ends rotates and sets up in the backup pad of framework, the swing arm on correspond fixed axle department and be provided with the guiding hole, fixed axle alternate in the guiding hole, two energy storage spring's one end connect respectively on the both ends of fixed axle, two energy storage spring's the other end connect respectively on the location axle of conversion support. The rotating shafts on the two triangular transmission plates are connected to the supporting plate, so that the triangular plates can be ensured to flexibly and reliably rotate, the fixed shafts on the two triangular transmission plates can drive the swing arms, and the swing arms can drive the conversion shafts to rotate quickly, so that the purpose of quick conversion is achieved.
Particularly, the two triangular transmission plates are in a fan shape in basic shape, and the common energy storage tripping shaft and the standby energy storage tripping shaft are respectively provided with a tripping groove matched with the two triangular transmission plates. The common energy storage tripping shaft and the standby energy storage tripping shaft are provided with tripping grooves matched with the two triangular transmission plates, so that the two triangular transmission plates can be rapidly and sensitively tripped to achieve the purpose of rapid conversion.
Particularly, a handle shaft sleeve is arranged on the conversion support, an arch piece is arranged on the handle shaft sleeve, a handle insertion hole is formed in the handle shaft sleeve, and an insertion hole is formed in the shell corresponding to the handle shaft sleeve. The handle shaft sleeve is arranged on the conversion support, a user can insert the operating handle into the handle jack, and the operating handle can drive the conversion support to act, so that the purpose of manual energy storage of the operating mechanism is achieved.
Particularly, the driving mechanism comprises two electromagnets symmetrically arranged on the machine frame and a driving plate arranged between movable iron cores of the two electromagnets, a positioning hole matched with the driving shaft is formed in the driving plate, and the driving shaft is inserted into the positioning hole and forms linkage matching of the driving shaft and the driving plate. The driving mechanism is driven by the electromagnet, and a magnetic excitation type driving mode is adopted, so that the motion is more sensitive, and the conversion speed is higher.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of the first perspective of the embodiment of the present invention.
Fig. 3 is an exploded view of a second perspective of the embodiment of the present invention.
Fig. 4 is an internal structure diagram of the embodiment of the present invention.
Fig. 5 is a perspective view of a triangle according to an embodiment of the present invention.
Fig. 6 is an assembly view of the swing arm and the change-over spindle according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1-6, an embodiment of the present invention is an operating mechanism of a dual power supply automatic transfer switch, including a housing 10, a mechanism frame 11 disposed in the housing 10, a driving mechanism 12 disposed on the mechanism frame 11, and an energy storage conversion assembly 20 disposed on the mechanism frame 11, where the energy storage conversion assembly 20 includes a driving shaft 21 cooperating with the driving mechanism 12, a conversion support 22 cooperating with the driving shaft 21, a conversion shaft 23 rotatably disposed on the mechanism frame 11, a swing arm 24 cooperating with the conversion shaft 23, a triangle 25 rotatably disposed on the mechanism frame 11 and cooperating with the conversion support 22, and two energy storage springs 26 disposed between the conversion support 22 and the triangle 25, the conversion support 22 is provided with a sliding hole 221 cooperating with the conversion shaft 23, one end of the common conversion shaft 23 is inserted into the sliding hole 221, the other end of the conversion shaft 23 is provided with a transmission assembly 30 for driving a contact system, two sides of the mechanism frame 11 corresponding to the triangle 25 are respectively provided with a common energy storage tripping shaft 13, a standby energy storage tripping shaft 14, and the energy storage tripping assembly 14 and the energy storage tripping assembly can realize switching or the energy storage tripping operation along with the energy storage tripping assembly 20. The user's accessible is pressed closing button 15 commonly used, reserve closing button 16, and closing button 15 commonly used, reserve closing button 16 can drive energy storage trip shaft 13 commonly used or reserve energy storage trip shaft 14 respectively and rotate to the dropout position to can realize the manual energy storage release of energy storage commonly used or reserve energy storage, realize this dual supply automatic transfer switch's quick switch. And the closing electromagnet 17 is arranged on the mechanism frame 11, and the closing electromagnet 17 can respectively drive the common energy storage tripping shaft 13 or the standby energy storage tripping shaft 14 to rotate to a tripping position, so that the electric energy storage release of common energy storage or standby energy storage can be realized, the rapid switching of the operating mechanism is realized, and the breaking capacity of the dual-power automatic transfer switch can be improved. The driving mechanism 12 comprises two electromagnets 121 symmetrically arranged on the frame 11 and a driving plate 18 arranged between the movable iron cores 122 of the two electromagnets 121, wherein the driving plate 18 is provided with a positioning hole matched with the driving shaft 21, and the driving shaft is inserted into the positioning hole and forms linkage matching of the driving shaft and the driving plate. The driving mechanism is driven by the electromagnet, and a magnetic excitation type driving mode is adopted, so that the movement is more sensitive, and the conversion speed is higher.
As shown in fig. 3, the transmission assembly 30 includes a transmission gear 31 disposed at the other end of the switching shaft 23 in a linkage manner, an output wheel 32 rotatably disposed on the frame 10 and in linkage engagement with the transmission gear 31, and a cover plate 33 disposed on the frame 11 and covering the transmission gear 31 and the output wheel 32, wherein the output wheel 32 is provided with a section of gear teeth 321 engaged with the transmission gear 31, and the output wheel 32 is provided with a tooth-shaped groove 322 engaged with an inner rotor of the contact system. The output wheel of the transmission assembly is clamped with the inner rotor of the contact system, so that the transmission assembly and the contact system are convenient to assemble, the assembly is more convenient, the output wheel drives the inner rotor of the contact system through the tooth-shaped groove, and the transmission of the output wheel and the inner rotor is more stable. The cover plate 33 is provided with a microswitch 34 corresponding to two sides of the driving shaft 21, the cover plate 33 is provided with an arc-shaped hole 331 for the driving shaft 21 to pass through, the driving shaft 21 can reciprocate in the arc-shaped hole 331 and can trigger the two microswitches 34 respectively, and the on-off of the microswitches 34 is realized. The two micro switches can monitor the position of the driving shaft, and the two micro switches can send the monitored position signals to the background, so that the background can know the working state of the dual-power automatic transfer switch, and the improvement of the working reliability of the dual-power automatic transfer switch is facilitated.
As shown in fig. 4 and 5, the triangle plate 25 includes two symmetrical triangle driving plates 251, a plurality of rotating shafts 252 disposed between the two triangle driving plates 251, and a fixing shaft 253 disposed between the two triangle driving plates 251 above the corresponding converting shaft 252, the rotating shafts 252 at the upper ends of the two triangle driving plates 251 are rotatably disposed on the supporting plate 111 of the frame 11, the swing arm 24 is provided with a guiding hole 241 corresponding to the fixing shaft 253, the fixing shaft 253 is inserted into the guiding hole 241, one end of the two energy storage springs 26 is respectively connected to two ends of the fixing shaft 253, and the other end of the two energy storage springs 26 is respectively connected to the positioning shaft 222 of the converting bracket 22. The rotating shafts on the two triangular transmission plates are connected to the supporting plate, so that the triangular plates can be ensured to flexibly and reliably rotate, the fixed shafts on the two triangular transmission plates can drive the swing arms, and the swing arms can drive the conversion shafts to rotate quickly, so that the purpose of quick conversion is achieved. The two triangular transmission plates 251 are fan-shaped in basic shape, and the common energy storage tripping shaft 13 and the standby energy storage tripping shaft 14 are respectively provided with a tripping groove 100 matched with the two triangular transmission plates 251. The common energy storage tripping shaft and the standby energy storage tripping shaft are provided with tripping grooves matched with the two triangular transmission plates, so that the two triangular transmission plates can be rapidly and sensitively tripped to achieve the purpose of rapid conversion. The conversion bracket 22 is provided with a handle shaft sleeve 27, the handle shaft sleeve 27 is provided with an arch 28, the handle shaft sleeve 27 is provided with a handle insertion hole 271, and the shell 10 is provided with an insertion hole 101 corresponding to the handle shaft sleeve 27. The handle shaft sleeve is arranged on the conversion support, a user can insert the operating handle into the handle jack, and the operating handle can drive the conversion support to act, so that the purpose of manual energy storage of the operating mechanism is achieved.
The operating mechanism adopts a magnetic excitation type energy storage conversion structure design, the energy storage conversion structure design is simpler, and the operating force is smaller. Actuating mechanism passes through the drive shaft and drives the motion of conversion support, after the conversion support crosses dead point (midpoint), the tensile energy storage spring of conversion support, realize energy storage spring's energy storage, and the set-square moves along with the conversion support and contradicts respectively at energy storage trip shaft commonly used, reserve energy storage trip shaft, thereby can realize energy storage or reserve energy storage commonly used, user's accessible presses closing button or closing electromagnet drive energy storage trip shaft commonly used, reserve energy storage trip shaft rotates, can realize the dropout of set-square and energy storage trip shaft commonly used or reserve energy storage trip shaft, the spring release energy, the set-square, the swing arm drives the quick switching of change-over shaft, thereby this operating device's slew velocity is faster, switching time is shorter, thereby this dual power automatic transfer switch's contact separation velocity is faster, the higher life of disjunction ability is longer. Therefore, the operating mechanism of the dual-power automatic transfer switch has the advantages of simple structure, stable and reliable performance, rapid switching, small operating force and low cost.
Claims (7)
1. The utility model provides a dual supply automatic transfer switch's operating device which characterized in that: the energy storage conversion assembly comprises a shell, a mechanism frame arranged in the shell, a driving mechanism arranged on the mechanism frame, and an energy storage conversion assembly arranged on the mechanism frame, wherein the energy storage conversion assembly comprises a driving shaft in linkage fit with the driving mechanism, a conversion support in linkage fit with the driving shaft, a conversion shaft arranged on the mechanism frame in rotation, a swing arm in linkage fit with the conversion shaft, a triangular plate arranged on the mechanism frame in linkage fit with the conversion support, and two energy storage springs arranged between the conversion support and the triangular plate, the conversion support is provided with a sliding hole matched with the conversion shaft, one end of the conversion shaft is inserted into the sliding hole, the other end of the conversion shaft is provided with a transmission assembly for driving a contact system to open and close, the mechanism frame is provided with a common energy storage tripping shaft and a standby energy storage tripping shaft at two sides corresponding to the triangular plate respectively, the triangular plate moves along with the conversion support and is abutted against the common energy storage tripping shaft and the standby energy storage tripping shaft respectively, and the energy storage or standby energy storage of the energy storage conversion assembly can be realized.
2. The operating mechanism of the dual power automatic transfer switch according to claim 1, characterized in that: the transmission assembly comprises a transmission gear, an output wheel and a cover plate, wherein the transmission gear is arranged at the other end of the conversion shaft in a linkage mode, the output wheel is rotatably arranged on the framework and is in linkage fit with the transmission gear, the cover plate is arranged on the framework and covers the transmission gear and the output wheel, a section of gear teeth meshed with the transmission gear is arranged on the output wheel, and a tooth-shaped groove clamped with an inner rotor of the contact system is arranged on the output wheel.
3. The operating mechanism of the dual power automatic transfer switch according to claim 2, characterized in that: the cover plate is provided with a microswitch on two sides corresponding to the driving shaft respectively, the cover plate is provided with an arc-shaped hole for the driving shaft to pass through, the driving shaft can reciprocate in the arc-shaped hole and can trigger the two microswitches respectively, and the microswitch is switched on or switched off.
4. The operating mechanism of the dual power supply automatic transfer switch according to claim 1 or 2, characterized in that: the triangular plate include two triangular driving plates that the symmetry set up, set up a plurality of rotation axes between two triangular driving plates, correspond the fixed axle that switching shaft top department set up between two triangular driving plates, the rotation axis of two triangular driving plate upper ends rotates and sets up in the backup pad of framework, the swing arm on correspond fixed axle department and be provided with the guiding hole, the fixed axle alternate in the guiding hole, two energy storage spring's one end connect respectively on the both ends of fixed axle, two energy storage spring's the other end connect respectively on the location of conversion support is epaxial.
5. The operating mechanism of the dual power automatic transfer switch according to claim 4, wherein: the two triangular transmission plates are in fan-shaped basic shapes, and the common energy storage tripping shaft and the standby energy storage tripping shaft are respectively provided with a tripping groove matched with the two triangular transmission plates.
6. The operating mechanism of the dual power supply automatic transfer switch according to claim 1 or 2, characterized in that: the conversion support on be provided with the handle axle sleeve, the handle axle sleeve on be provided with the bow, shown handle axle sleeve is last to be provided with the handle jack, the casing on correspond handle sleeve axle department and be provided with the jack.
7. The operating mechanism of the dual power supply automatic transfer switch according to claim 1 or 2, characterized in that: the driving mechanism comprises two electromagnets symmetrically arranged on the frame and a driving plate arranged between movable iron cores of the two electromagnets, wherein the driving plate is provided with a positioning hole matched with the driving shaft, and the driving shaft is inserted into the positioning hole and forms linkage matching of the driving shaft and the driving plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361497.2U CN218299733U (en) | 2022-09-05 | 2022-09-05 | Operating mechanism of dual-power automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361497.2U CN218299733U (en) | 2022-09-05 | 2022-09-05 | Operating mechanism of dual-power automatic transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218299733U true CN218299733U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222361497.2U Active CN218299733U (en) | 2022-09-05 | 2022-09-05 | Operating mechanism of dual-power automatic transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218299733U (en) |
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2022
- 2022-09-05 CN CN202222361497.2U patent/CN218299733U/en active Active
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