CN114068205B - Switch system for controlling switching of double-medical-treatment power switch - Google Patents
Switch system for controlling switching of double-medical-treatment power switch Download PDFInfo
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- CN114068205B CN114068205B CN202111404792.5A CN202111404792A CN114068205B CN 114068205 B CN114068205 B CN 114068205B CN 202111404792 A CN202111404792 A CN 202111404792A CN 114068205 B CN114068205 B CN 114068205B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/08—Turn knobs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Transmission Devices (AREA)
Abstract
The application discloses a switch system for controlling the switching of a dual-medical power switch, which relates to the technical field of dual-power switches and comprises a first power supply, a second power supply, a dual-power switch and a controller, wherein the first power supply and the second power supply are respectively and electrically connected with wiring terminals at two ends of the dual-power switch through wires, and the controller is in signal connection with the dual-power switch; the dual power switch includes a lower housing. According to the application, the manual switching unit and the automatic switching unit are arranged, so that the manual switching and the automatic switching of the dual-power switch are realized, and the switching assembly is arranged, so that the power cut-off of the manual switching unit and the automatic switching unit is realized, the mutual influence of the automatic switching unit or the manual switching unit during working is avoided, the operation is simple and convenient, the manual switching unit and the automatic switching unit are integrated together, the same power-on operating mechanism is acted, the volume of the dual-power switch is reduced, and the installation space is reduced.
Description
Technical Field
The application relates to the technical field of dual-power switches, in particular to a switching system for controlling the switching of a dual-medical power switch.
Background
In the power system, certain occasions have high requirements on the reliability of power supply, for example, once power failure accidents occur in hospitals and the like, serious economic losses and even casualties can be caused, so that the power supply systems of the units are provided with a common power supply and a standby power supply; when the normal power supply cannot be normally supplied, the standby power supply must be immediately powered on for power restoration, and in order to achieve this purpose, the switching between the normal power supply and the standby power supply is required by a dual-power switch to ensure the power supply reliability.
The conventional dual power change-over switch includes: the device comprises a common breaker, a standby breaker, a switching linkage mechanism, a controller, a linkage piece, a travel limiting piece, a common travel switch, a standby travel switch and a motor for driving the linkage piece to move; the common breaker is connected with a common power supply; the standby breaker is connected with a standby power supply; the linkage piece is provided with a rotating shaft connected with the travel limiting piece; the motor is used for driving the rotating shaft to rotate, the rotating shaft can drive the switching linkage mechanism to synchronously move, and the operating lever of the switching linkage mechanism is switched from the switching-on position of the common breaker to the switching-on position of the standby breaker; the stroke limiting part is arranged on the rotating shaft, and a knife switch is often adopted as the stroke limiting part in the prior art; the rotating shaft can drive the knife and the switching linkage mechanism to move together, the common travel switch and the standby travel switch are used for limiting the rotating position of the knife, and when the knife is positioned at the common travel switch, the control lever is positioned at the closing position of the common breaker; when the knife switch is positioned on the standby travel switch, the control lever is positioned at the closing position of the standby circuit breaker.
The existing dual-power switch is generally provided with a manual switching mechanism and an automatic switching mechanism, and when one power supply fails, the dual-power switch can switch the power consumption loop to the other power supply through the manual switching mechanism and the automatic switching mechanism. For example, chinese patent publication No. CN105140059B discloses a manual mechanism for controlling switching of a dual power switch, which effectively improves timeliness and reliability of manual switching of the dual power switch, and prevents damage of the manual switching mechanism; and the interlocking of the manual switching mechanism and the automatic switching mechanism of the dual-power switch is further realized.
However, the dual-power switch has the following defects that the dual-power switch adopts two sets of mechanisms of a manual switching mechanism and an automatic switching mechanism, so that on one hand, the structural complexity and the structural volume of the dual-power switch are increased, the installation space of the dual-power switch is increased, the operation is not facilitated, and on the other hand, after the manual switching mechanism is locked, the manual switching mechanism is required to be unlocked manually when the automatic switching mechanism is started, the normal use of the automatic switching mechanism is not influenced, and the operation complexity and the operation difficulty are increased.
Accordingly, the present application provides a switching system for controlling the switching of a dual medical power switch to meet a need.
Disclosure of Invention
The application aims to provide a switch system for controlling the switching of a dual-medical power switch, which realizes the manual switching and the automatic switching of the dual-power switch by arranging a manual switching unit and an automatic switching unit, and realizes the power cutting of the manual switching unit and the automatic switching unit by arranging a switching component, thereby avoiding the influence of the automatic switching unit or the manual switching unit during working, having simple and convenient operation, integrating the manual switching unit and the automatic switching unit together, acting on the same power-on operating mechanism, reducing the volume of the dual-power switch and reducing the installation space.
In order to achieve the above purpose, the present application provides the following technical solutions: the switching system for controlling the switching of the double-medical power switch comprises a first power supply, a second power supply, a double-power switch and a controller, wherein the first power supply and the second power supply are respectively and electrically connected with two end terminals of the double-power switch through wires, and the controller is in signal connection with the double-power switch; the double power switch comprises a lower shell, a middle shell arranged on the top of the lower shell and an upper cover plate arranged on the top of the middle shell, wherein power-on components are arranged on two sides of the inside of the lower shell, the top of each power-on component is fixedly connected with one power-on operating mechanism, each power-on operating mechanism comprises a rotating shaft which is rotationally connected to the middle position of the lower shell, an automatic switching unit is arranged in the lower shell, a manual switching unit is arranged on the top of each rotating shaft (15), the automatic switching unit and the manual switching unit are both used for driving a pair of power-on components to carry out power-on switching through the power-on operating mechanism, and a switching component is arranged between the automatic switching unit and the manual switching unit and used for power switching of the automatic switching unit.
Preferably, the automatic switching unit comprises a driven gear which is sleeved on the rotating shaft in a sliding manner, one side of the driven gear is meshed with a driving gear, a servo motor is fixedly connected to the inner wall of the lower shell, and the driving gear is fixedly connected to the output end of the servo motor.
Preferably, the manual switching unit comprises a knob sleeved on the rotating shaft, a rotating disc is rotatably connected to the inner wall of the upper cover plate, a return spring is arranged between the knob and the rotating disc, and two ends of the return spring are fixedly connected with the knob and the rotating disc respectively; the bottom of knob with driven gear's top meets the department, dodge the groove has been seted up to the bottom of knob, dodge the draw-in groove of seting up on the bottom inner wall in groove with axis of rotation top looks adaptation.
Preferably, the switching assembly comprises a chassis fixedly sleeved on the rotating shaft, a supporting spring is arranged between the driven gear and the chassis, two ends of the supporting spring are fixedly connected with the driven gear and the chassis respectively, a plurality of uniformly distributed elastic limiting rods are fixedly connected to the top circumference of the chassis, a plurality of uniformly distributed limiting blocks are fixedly connected to the bottom circumference of the driven gear, a first limiting groove and a second limiting groove are formed in the side wall of the limiting block, the second limiting groove is located above the first limiting groove, one end of the elastic limiting rod is located on the first limiting groove, an arc-shaped guide groove is formed in one side of the limiting block, one end of the arc-shaped guide groove is located above the second limiting groove, and the other end of the arc-shaped guide groove is located below the first limiting groove; the first limit groove, the second limit groove and the arc-shaped guide groove are in smooth transition connection at the joint.
Preferably, an elastic guide piece is fixedly connected to the side wall of the limiting block, the elastic guide piece is located at the other end of the arc-shaped guide groove, the end part of the elastic guide piece located in the arc-shaped guide groove is of a C-shaped structure, and a weakening groove is formed in the elastic guide piece.
Preferably, the top fixedly connected with pilot rod of driven gear, middle casing with the corresponding position department of upper cover plate has all seted up the arc perforation, the one end of pilot rod runs through in proper order a pair of the arc perforation.
Preferably, the middle shell with the top of upper cover plate corresponds position department and has all seted up the pivot hole, the one end of axis of rotation runs through in proper order a pair of the pivot hole, the top of upper cover plate with the coaxial fixedly connected with of pivot hole is fixed a section of thick bamboo, be provided with the scale on the inner wall of fixed section of thick bamboo, fixedly connected with indicates the arrow on the lateral wall of knob, indicate the arrow point to the scale, the top joint of fixed section of thick bamboo has the protective cover.
Preferably, the power-on operating mechanism further comprises a connecting disc fixedly sleeved on the rotating shaft, a pair of push rods are rotatably connected to the side wall of the connecting disc, one ends of the push rods are rotatably connected with the rotating shaft, two ends of the top of the lower shell are respectively rotatably connected with a pair of first connecting rods and a pair of second connecting rods, the first connecting rods are rotatably connected with the rotating shaft, the second connecting rods are slidably connected with the rotating shaft, and the power-on assembly is connected with the rotating shaft.
Preferably, the energizing assembly comprises a pair of retainers respectively fixedly connected to the bottom ends of the rotating shafts, the pair of retainers are respectively and slidably connected to two sides of the inside of the lower shell, a plurality of power-on plates are fixedly connected to the retainers, a plurality of power-on plates are fixedly connected to the lower shell, and when the power-on plates located at one side of the lower shell are in contact with the power-on plates, the power-on plates and the power-on plates at the other side of the lower shell are separated.
Preferably, the top of the pair of retainers is fixedly connected with a contact sheet, the lower shell is fixedly connected with a pair of contactors, and the contactors are in signal connection with the controller.
In summary, the application has the technical effects and advantages that:
1. the automatic switching device is reasonable in structure, realizes manual switching and automatic switching of the dual-power switch by arranging the manual switching unit and the automatic switching unit, and realizes power cutting of the manual switching unit and the automatic switching unit by arranging the switching assembly, so that the automatic switching unit or the manual switching unit is prevented from being affected by each other when working, the operation is simple and convenient, the manual switching unit and the automatic switching unit are integrated together and act on the same power-on operating mechanism, the volume of the dual-power switch is reduced, and the installation space is reduced;
2. according to the application, the elastic guide piece is arranged to play a role in guiding the elastic limiting rod, so that the elastic limiting rod moves on the limiting block and slides onto the first limiting groove, the end part of the elastic guide piece is of a C-shaped structure, the elastic limiting rod is prevented from being blocked when contacting with the elastic guide piece, the weakening groove is arranged on the elastic guide piece, the elastic deformation of the elastic guide piece is improved, and the elastic limiting rod is further prevented from being blocked when contacting with the elastic guide piece;
3. according to the application, the top of the driven gear is fixedly connected with the indicating rod, the corresponding positions of the middle shell and the upper cover plate are provided with arc-shaped perforations, one end of the indicating rod sequentially penetrates through a pair of arc-shaped perforations, through the indicating rod, the position of the driven gear after rotation is conveniently penetrated, the energized side of the energizing component on the lower shell is conveniently observed, and the clamping position of the manual switching unit and the rotating shaft and the rotating energizing direction are conveniently operated next time by manpower;
4. according to the application, the inner wall of the fixed cylinder is provided with the scales, the side wall of the knob is fixedly connected with the indicating arrow, the indicating arrow points to the scales, the top of the fixed cylinder is clamped with the protective cover, the distance moved when the knob is pressed is conveniently observed through the scales and the indicating arrow, and the knob is convenient to drive the driven gear and the limiting operation of the switching assembly.
5. According to the application, through the cooperation arrangement of the elastic limiting rod, the first limiting groove, the second limiting groove and the arc-shaped guide groove, the knob is pressed downwards in a reciprocating manner, one end of the elastic limiting rod is switched in the first limiting groove, the second limiting groove and the arc-shaped guide groove in an internal circulation manner under the elastic action of the supporting spring, so that the driven gear and the driving gear are meshed and separated quickly, the power cutting of the manual switching unit and the automatic switching unit is realized, the manual switching unit and the automatic switching unit are not influenced when working respectively, the manual switching unit and the automatic switching unit are used for acting on the same power-on operating mechanism, and the structural complexity and the structural volume of the dual-power switch are prevented from being increased due to the use of a plurality of connecting rod mechanisms.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a switching system for controlling the switching of a dual medical power switch;
FIG. 2 is a schematic diagram of a dual power switch switching enlarged three-dimensional structure;
FIG. 3 is a schematic diagram of a dual power switch switching explosion perspective structure;
FIG. 4 is a schematic diagram of a dual power switch with a large open front view;
FIG. 5 is a schematic diagram of a dual power switch switching internal perspective structure;
FIG. 6 is an enlarged schematic perspective view of a switching assembly;
FIG. 7 is an enlarged perspective view of a limiting block;
fig. 8 is a schematic view of a three-dimensional structure of the power-on assembly and the power-on operation mechanism.
In the figure: 1. a lower housing; 2. an intermediate housing; 3. an upper cover plate; 4. an automatic switching unit; 5. a protective cover; 6. energizing the operating mechanism; 7. a manual switching unit; 8. a scale; 9. arc perforation; 10. a knob; 11. a return spring; 12. a rotating disc; 13. a driven gear; 14. a drive gear; 15. a rotating shaft; 16. an indication rod; 17. a chassis; 18. a push rod; 19. a first link; 20. a second link; 21. a retainer; 22. a connecting disc; 23. a contactor; 24. a contact piece; 25. an energizing plate; 26. a power connection plate; 27. a servo motor; 28. an elastic limit rod; 29. a limiting block; 30. a first limit groove; 31. the second limit groove; 32. an arc-shaped guide groove; 33. an elastic guide piece; 34. weakening the groove.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples: 1-8, a switching system for controlling the switching of a dual medical power switch comprises a first power supply, a second power supply, a dual power switch and a controller, wherein the first power supply and the second power supply are respectively and electrically connected with two end terminals of the dual power switch through wires, and the controller is in signal connection with the dual power switch;
the double power switch comprises a lower shell 1, an intermediate shell 2 arranged on the top of the lower shell 1 and an upper cover plate 3 arranged on the top of the intermediate shell 2, wherein the lower shell 1, the intermediate shell 2 and the upper cover plate 3 are fixedly connected through bolts in pairs, the two sides of the inside of the lower shell 1 are respectively provided with a power-on assembly, the top of the power-on assembly is fixedly connected with the same power-on operating mechanism 6, the middle position of the lower shell 1 is rotationally connected with a rotating shaft 15, a push rod 18 is sleeved on the rotating shaft 15, an automatic switching unit 4 is arranged in the inner part of the lower shell 1, the top of the rotating shaft 15 is provided with a manual switching unit 7, the automatic switching unit 4 and the manual switching unit 7 are respectively used for driving the rotating shaft 15 to rotate so that the power-on operating mechanism 6 drives a pair of power-on assemblies to switch, a switching assembly is arranged between the automatic switching unit 4 and the manual switching unit 7, the manual switching unit 7 and the manual switching unit 4 are respectively, manual switching of the manual switching unit 7 and the manual switching unit 4 are respectively arranged, the manual switching unit 7 and the manual switching unit 4 are respectively, the manual switching unit 4 is respectively, the manual switching unit 7 and the manual switching unit 4 is conveniently arranged, the manual switching unit and the power switch, and the manual switching unit 7, and the power switching assembly and the power switch.
As a preferred implementation manner in this embodiment, the automatic switching unit 4 includes a driven gear 13 slidingly sleeved on the rotation shaft 15, one side of the driven gear 13 is meshed with a driving gear 14, a servo motor 27 is fixedly connected to the inner wall of the lower housing 1, and the driving gear 14 is fixedly connected to the output end of the servo motor 27; the manual switching unit 7 comprises a knob 10 sleeved on a rotating shaft 15, a rotating disc 12 is rotatably connected to the inner wall of the upper cover plate 3, a return spring 11 is arranged between the knob 10 and the rotating disc 12, and two ends of the return spring 11 are fixedly connected with the knob 10 and the rotating disc 12 respectively; the bottom of the knob 10 is connected with the top of the driven gear 13, the bottom of the knob 10 is provided with an avoidance groove, and the inner wall of the bottom of the avoidance groove is provided with a clamping groove matched with the top end of the rotating shaft 15; the switching assembly comprises a chassis 17 fixedly sleeved on a rotating shaft 15, a supporting spring is arranged between a driven gear 13 and the chassis 17, two ends of the supporting spring are fixedly connected with the driven gear 13 and the chassis 17 respectively, a plurality of uniformly distributed elastic limiting rods 28 are fixedly connected to the periphery of the top of the chassis 17, a plurality of uniformly distributed limiting blocks 29 are fixedly connected to the periphery of the bottom of the driven gear 13, a first limiting groove 30 and a second limiting groove 31 are formed in the side wall of the limiting block 29, the second limiting groove 31 is located above the first limiting groove 30, one end of the elastic limiting rod 28 is located on the first limiting groove 30, an arc-shaped guide groove 32 is formed in one side of the limiting block 29, one end of the arc-shaped guide groove 32 is located above the second limiting groove 31, and the other end of the arc-shaped guide groove 32 is located below the first limiting groove 30;
in the initial state of the manual switching unit 7, the automatic switching unit 4 and the switching assembly, under the action of the elastic force of the return spring 11, the knob 10 is positioned above the rotating shaft 15, at the moment, the clamping groove on the knob 10 is not clamped with the end part of the rotating shaft 15, under the action of the elastic force of the supporting spring, the driven gear 13 has upward sliding force on the rotating shaft 15, at the moment, one end of the elastic limiting rod 28 is clamped on the first limiting groove 30, tension is applied to the driven gear 13, the driving gear 14 is limited, and at the moment, the driving gear 14 is meshed with the driven gear 13; when the automatic switching unit 4 works, the output end of the servo motor 27 rotates to drive the driving gear 14 to rotate, the driving gear 14 rotates to drive the driven gear 13 to rotate, the driven gear 13 rotates to drive the rotating shaft 15 to rotate, the rotating shaft 15 rotates to drive the power-on operating mechanism 6 to enable the power-on assembly to conduct power-on switching, when the manual switching unit 7 works, the knob 10 is pressed downwards, at the moment, the clamping groove on the knob 10 is clamped with the end part of the rotating shaft 15, meanwhile, the bottom of the knob 10 pushes the driven gear 13 to slide downwards on the rotating shaft 15, one end of the elastic limiting rod 28 slides on the limiting block 29 until one end of the elastic limiting rod 28 is clamped on the second limiting groove 31 on the limiting block 29, at the moment, the driving gear 14 and the driven gear 13 are separated from each other, the knob 10, the return spring 11 and the rotating disc 12 rotate on the upper cover plate 3, and the rotating shaft 15 rotate to enable the power-on operating mechanism 6 to conduct power-on switching; when the knob 10 is continuously pressed downwards, one end of the elastic limiting rod 28 slides into the arc-shaped guide groove 32, the knob 10 is slowly loosened, the driven gear 13 moves upwards under the action of the elasticity of the supporting spring, one end of the elastic limiting rod 28 slides to the bottom end of the arc-shaped guide groove 32, the knob 10 is pressed again, one end of the elastic limiting rod 28 moves along the side wall of the limiting block 29 and slides onto the first limiting groove 30 again, the driven gear 13 is limited, the driven gear 13 is meshed with the driving gear 14 again, so that the power cutting of the manual switching unit 7 and the automatic switching unit 4 is realized, the manual switching unit 7 and the automatic switching unit 4 do not affect each other when working respectively, and the same power-on operating mechanism 6 is acted by the manual switching unit 7 and the automatic switching unit 4, so that the structural complexity and the structural volume of a double-power switch are avoided from being increased due to the adoption of a plurality of connecting rod mechanisms.
In this embodiment, the side wall of the limiting block 29 is fixedly connected with the elastic guide piece 33, the elastic guide piece 33 is located at the other end of the arc-shaped guide groove 32, the end part of the elastic guide piece 33 located in the arc-shaped guide groove 32 is in a C-shaped structure, the elastic guide piece 33 is provided with the weakening groove 34, the elastic guide piece 33 is provided to guide the elastic limiting rod 28, so that the elastic limiting rod 28 moves on the limiting block 29 and slides onto the first limiting groove 30, the end part of the elastic guide piece 33 is in a C-shaped structure, the elastic limiting rod 28 is prevented from being blocked when contacting with the elastic guide piece 33, the weakening groove 34 is arranged on the elastic guide piece 33, the elastic deformation of the elastic guide piece 33 is improved, and the elastic limiting rod 28 is further prevented from being blocked when contacting with the elastic guide piece 33.
In this embodiment, the connection parts of the first limiting groove 30, the second limiting groove 31 and the arc-shaped guiding groove 32 are in smooth transition connection, so that the elastic limiting rod 28 is smoother when moving on the limiting block 29.
In this embodiment, the top fixedly connected with pilot rod 16 of driven gear 13, arc perforation 9 has all been seted up to the corresponding position department of middle casing 2 and upper cover plate 3, and a pair of arc perforation 9 is run through in proper order to the one end of pilot rod 16, and the benefit of setting like this is, through pilot rod 16, is convenient for run through the position after driven gear 13 rotates, is convenient for observe the one side of the circular telegram of power on lower casing 1 of power module, makes things convenient for manual operation manual switching unit 7 and axis of rotation 15's joint position and the direction of rotation circular telegram next time.
In this embodiment, the pivot hole has all been seted up to the top corresponding position department of middle casing 2 and upper cover plate 3, the one end of axis of rotation 15 runs through a pair of pivot hole in proper order, the fixed section of thick bamboo of the coaxial fixedly connected with in top and pivot hole of upper cover plate 3, be provided with scale 8 on the inner wall of fixed section of thick bamboo, fixedly connected with instruction arrow on the lateral wall of knob 10, the directional scale 8 of instruction arrow, the top joint of fixed section of thick bamboo has protective cover 5, through setting up scale 8 and instruction arrow, the distance that moves when being convenient for observe knob 10 and press, make things convenient for knob 10 to drive driven gear 13 and switch assembly's spacing operation.
As an implementation manner in this embodiment, the power-on operating mechanism 6 includes a connecting disc 22 fixedly sleeved on the rotating shaft 15, a pair of push rods 18 are rotatably connected to the side wall of the connecting disc 22, one ends of the pair of push rods 18 are rotatably connected to the rotating shaft, two ends of the top of the lower housing 1 are rotatably connected to a pair of first connecting rods 19 and a pair of second connecting rods 20 respectively, the first connecting rods 19 are rotatably connected to the rotating shaft, the second connecting rods 20 are slidably connected to the rotating shaft, and the power-on component is connected to the rotating shaft; the power-on assembly comprises a pair of retainers 21 fixedly connected to the bottom ends of a pair of rotating shafts respectively, the retainers 21 are respectively and slidably connected to two sides of the inside of the lower shell 1, a plurality of power-on plates 26 are fixedly connected to the retainers 21, a plurality of power-on plates 25 are fixedly connected to the lower shell 1, when the power-on plates 26 positioned at one side of the lower shell 1 are in contact with the power-on plates 25, the power-on plates 26 positioned at the other side of the lower shell 1 are separated from the power-on plates 25, the rotating shafts 15 rotate to drive the connecting discs 22, the connecting discs 22 rotate to pull one push rod 18 to enable the retainers 21 to move close to the rotating shafts 15, the other push rod 18 is pushed to enable the other retainers 21 to move away from the rotating shafts 15, and the fact that one of the retainers 21 drives the power-on plates 26 at the same side to be in contact with the power-on plates 25 is achieved, and the other retainers 21 drive the power-on plates 26 at the same side to be disconnected from the power-on plates 25.
In this embodiment, the top of the pair of holders 21 is fixedly connected with a contact piece 24, the lower housing 1 is fixedly connected with a pair of contactors 23, the contactors 23 are in signal connection with a controller, after the contact piece 24 contacts with the contactors 23, signals are sent to the controller, and the controller receives the signals to intelligently control the automatic switching unit 4 to perform dual-power supply switching.
The working principle of the application is as follows:
in the initial state of the manual switching unit 7, the automatic switching unit 4 and the switching assembly, under the action of the elastic force of the return spring 11, the knob 10 is located above the rotating shaft 15, at this time, the clamping groove on the knob 10 is not clamped with the end part of the rotating shaft 15, under the action of the elastic force of the supporting spring, the driven gear 13 has upward sliding force on the rotating shaft 15, at this time, one end of the elastic limiting rod 28 is clamped on the first limiting groove 30, a pulling force is applied to the driven gear 13, the driving gear 14 is limited, and at this time, the driving gear 14 and the driven gear 13 are meshed with each other.
When the automatic switching unit 4 works, the output end of the servo motor 27 rotates to drive the driving gear 14 to rotate, the driving gear 14 rotates to drive the driven gear 13 to rotate, the driven gear 13 rotates to drive the rotating shaft 15 to rotate, the rotating shaft 15 rotates to drive the connecting disc 22 to rotate, the connecting disc 22 rotates to pull one push rod 18 to enable the retainer 21 to move close to the rotating shaft 15, the other push rod 18 is pushed to enable the other retainer 21 to move far away from the rotating shaft 15, and the purpose that one retainer 21 drives the same side of the power connection plate 26 to be in contact with the power connection plate 25 to be electrified is achieved, and the other retainer 21 drives the same side of the power connection plate 26 to be disconnected from the power connection plate 25 to be electrified is achieved.
When the manual switching unit 7 works, the knob 10 is pressed downwards, at the moment, the clamping groove on the knob 10 is clamped with the end part of the rotating shaft 15, meanwhile, the bottom of the knob 10 pushes the driven gear 13 to slide downwards on the rotating shaft 15, one end of the elastic limiting rod 28 slides on the limiting block 29 until one end of the elastic limiting rod 28 is clamped on the second limiting groove 31 on the limiting block 29, at the moment, the driving gear 14 and the driven gear 13 are separated and are not meshed any more, the knob 10 is rotated, the knob 10, the return spring 11 and the rotating disc 12 rotate on the upper cover plate 3, the knob 10 drives the rotating shaft 15 to rotate, the rotating shaft 15 rotates to drive the connecting disc 22 to rotate, the connecting disc 22 rotates to pull one push rod 18 to enable the retainer 21 to move close to the rotating shaft 15, the other push rod 18 is pushed to enable the other retainer 21 to move away from the rotating shaft 15, and one retainer 21 drives the power-on plate 26 on the same side to be in contact with the power-on plate 25, and the other retainer 21 drives the power-on plate 26 on the same side to be powered on the power-on plate 25.
When the knob 10 is continuously pressed downwards, one end of the elastic limiting rod 28 slides into the arc-shaped guide groove 32, the knob 10 is slowly loosened, the driven gear 13 moves upwards under the action of the elasticity of the supporting spring, one end of the elastic limiting rod 28 slides to the bottom end of the arc-shaped guide groove 32, the knob 10 is pressed again, one end of the elastic limiting rod 28 moves along the side wall of the limiting block 29 and slides onto the first limiting groove 30 again, the driven gear 13 is limited, the driven gear 13 is meshed with the driving gear 14 again, so that the power cutting of the manual switching unit 7 and the automatic switching unit 4 is realized, the manual switching unit 7 and the automatic switching unit 4 do not affect each other when working respectively, and the same power-on operating mechanism 6 is acted by the manual switching unit 7 and the automatic switching unit 4, so that the structural complexity and the structural volume of a double-power switch are avoided from being increased due to the adoption of a plurality of connecting rod mechanisms.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.
Claims (8)
1. A switching system for controlling the switching of a dual medical power switch, comprising: the power supply comprises a first power supply, a second power supply, a dual-power switch and a controller, wherein the first power supply and the second power supply are respectively and electrically connected with two end terminals of the dual-power switch through wires, and the controller is in signal connection with the dual-power switch;
the dual power switch comprises a lower shell (1), a middle shell (2) arranged on the top of the lower shell (1) and an upper cover plate (3) arranged on the top of the middle shell (2),
the two sides of the inner part of the lower shell (1) are respectively provided with an electrifying component, the top of the electrifying component is fixedly connected with the same electrifying operating mechanism (6),
the power-on operating mechanism (6) comprises a rotating shaft (15) which is rotatably connected with the middle part of the lower shell (1),
an automatic switching unit (4) is arranged in the lower shell (1), a manual switching unit (7) is arranged at the top of the rotating shaft (15), the automatic switching unit (4) and the manual switching unit (7) are both used for driving a pair of energizing components to conduct energizing switching through the energizing operation mechanism (6),
a switching component is arranged between the automatic switching unit (4) and the manual switching unit (7), and the switching component is used for power switching of the automatic switching unit (4) and the manual switching unit (7);
the automatic switching unit (4) comprises a driven gear (13) which is sleeved on the rotating shaft (15) in a sliding manner, one side of the driven gear (13) is meshed with a driving gear (14), a servo motor (27) is fixedly connected to the inner wall of the lower shell (1), and the driving gear (14) is fixedly connected to the output end of the servo motor (27);
the switching assembly comprises a chassis (17) fixedly sleeved on the rotating shaft (15), a supporting spring is arranged between the driven gear (13) and the chassis (17), two ends of the supporting spring are fixedly connected with the driven gear (13) and the chassis (17) respectively, a plurality of uniformly distributed elastic limiting rods (28) are fixedly connected to the top circumference of the chassis (17), a plurality of uniformly distributed limiting blocks (29) are fixedly connected to the bottom circumference of the driven gear (13), a first limiting groove (30) and a second limiting groove (31) are formed in the side wall of the limiting block (29), the second limiting groove (31) is located above the first limiting groove (30), one end of the elastic limiting rod (28) is located on the first limiting groove (30), one side of the limiting block (29) is provided with an arc-shaped guide groove (32), one end of the arc-shaped guide groove (32) is located above the second limiting groove (31), and the other end of the arc-shaped guide groove (32) is located below the first limiting groove (30). The joint of the first limit groove (30), the second limit groove (31) and the arc-shaped guide groove (32) is in smooth transition connection.
2. A switching system for controlling the switching of a dual medical power switch as defined in claim 1 wherein: the manual switching unit (7) comprises a knob (10) sleeved on the rotating shaft (15), a rotating disc (12) is rotatably connected to the inner wall of the upper cover plate (3), a return spring (11) is arranged between the knob (10) and the rotating disc (12), and two ends of the return spring (11) are fixedly connected with the knob (10) and the rotating disc (12) respectively; the bottom of the knob (10) is connected with the top of the driven gear (13), an avoidance groove is formed in the bottom of the knob (10), and a clamping groove matched with the top end of the rotating shaft (15) is formed in the inner wall of the bottom of the avoidance groove.
3. A switching system for controlling the switching of a dual medical power switch as defined in claim 2 wherein: the side wall of the limiting block (29) is fixedly connected with an elastic guide piece (33), the elastic guide piece (33) is located at the other end of the arc-shaped guide groove (32), the end part of the elastic guide piece (33) located in the arc-shaped guide groove (32) is of a C-shaped structure, and the elastic guide piece (33) is provided with a weakening groove (34).
4. A switching system for controlling the switching of a dual medical power switch as defined in claim 1 wherein: the top fixedly connected with pilot rod (16) of driven gear (13), intermediate casing (2) with arc perforation (9) have all been seted up in the corresponding position department of upper cover plate (3), the one end of pilot rod (16) runs through in proper order a pair of arc perforation (9).
5. A switching system for controlling the switching of a dual medical power switch as defined in claim 1 wherein: the middle shell (2) with the top of upper cover plate (3) corresponds position department and has all seted up the pivot hole, the one end of axis of rotation (15) runs through a pair of in proper order the pivot hole, the top of upper cover plate (3) with the coaxial fixedly connected with of pivot hole is fixed a section of thick bamboo, be provided with scale (8) on the inner wall of fixed section of thick bamboo, fixedly connected with indicates the arrow on the lateral wall of knob (10), indicate the arrow point to scale (8), the top joint of fixed section of thick bamboo has protecting cover (5).
6. A switching system for controlling the switching of a dual medical power switch as defined in claim 1 wherein: the power-on operating mechanism (6) further comprises a connecting disc (22) fixedly sleeved on the rotating shaft (15), a pair of push rods (18) are rotatably connected to the side wall of the connecting disc (22), one ends of the push rods (18) are rotatably connected with a rotating shaft, two ends of the top of the lower shell (1) are rotatably connected with a pair of first connecting rods (19) and a pair of second connecting rods (20) respectively, the first connecting rods (19) are rotatably connected with the rotating shaft, the second connecting rods (20) are slidably connected with the rotating shaft, and the power-on assembly is connected with the rotating shaft.
7. A switching system for controlling the switching of a dual medical power switch as defined in claim 6 wherein: the power-on assembly comprises a pair of retainers (21) fixedly connected to the bottom ends of the rotating shafts respectively, the retainers (21) are slidably connected to two sides of the inside of the lower shell (1) respectively, a plurality of power-on plates (26) are fixedly connected to the retainers (21), a plurality of power-on plates (25) are fixedly connected to the lower shell (1), and the power-on plates (26) are located at one side of the lower shell (1) and separated from the power-on plates (25) when the power-on plates (26) are in contact with the power-on plates (25).
8. A switching system for controlling the switching of a dual medical power switch as defined in claim 7 wherein: the top of the pair of retainers (21) is fixedly connected with contact pieces (24), the lower shell (1) is fixedly connected with a pair of contactors (23), and the contactors (23) are in signal connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404792.5A CN114068205B (en) | 2021-11-24 | 2021-11-24 | Switch system for controlling switching of double-medical-treatment power switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404792.5A CN114068205B (en) | 2021-11-24 | 2021-11-24 | Switch system for controlling switching of double-medical-treatment power switch |
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| Publication Number | Publication Date |
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| CN114068205A CN114068205A (en) | 2022-02-18 |
| CN114068205B true CN114068205B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111404792.5A Active CN114068205B (en) | 2021-11-24 | 2021-11-24 | Switch system for controlling switching of double-medical-treatment power switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116497768A (en) * | 2023-06-27 | 2023-07-28 | 江苏武东机械有限公司 | Lifting gate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681320A (en) * | 2013-12-03 | 2015-06-03 | 苏州飞腾电器有限公司 | Improved two-section type double-power-supply automatic changeover switch |
| CN208174352U (en) * | 2018-05-26 | 2018-11-30 | 深圳市帝森易罗德电气有限公司 | A kind of double power supply automatic transfer switch |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681320A (en) * | 2013-12-03 | 2015-06-03 | 苏州飞腾电器有限公司 | Improved two-section type double-power-supply automatic changeover switch |
| CN208174352U (en) * | 2018-05-26 | 2018-11-30 | 深圳市帝森易罗德电气有限公司 | A kind of double power supply automatic transfer switch |
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