CN113593961A - Dual-power transfer switch for medical places - Google Patents
Dual-power transfer switch for medical places Download PDFInfo
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- CN113593961A CN113593961A CN202110487198.0A CN202110487198A CN113593961A CN 113593961 A CN113593961 A CN 113593961A CN 202110487198 A CN202110487198 A CN 202110487198A CN 113593961 A CN113593961 A CN 113593961A
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- 230000008859 change Effects 0.000 claims abstract description 35
- 230000005389 magnetism Effects 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims description 26
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 26
- 238000012423 maintenance Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/025—Light-emitting indicators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/04—Cases; Covers
- H01H21/08—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
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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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- Switch Cases, Indication, And Locking (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a dual-power transfer switch for a medical place, which comprises a transfer switch body, an anti-false-touch component and a protective cover, wherein a switching knob seat is arranged in the middle of the transfer switch body, switching knife switches are arranged on two sides of the transfer switch body, the protective cover is positioned above the switching knife switches and fixed at toggle ends on two sides of the bottom of the switching knob seat, the toggle ends are used for driving the switching knife switches, the anti-false-touch component comprises two groups of limiting components, and the limiting components are arranged at two ends of the switching knife switches on two sides of the transfer switch body and used for avoiding false touch of the switching knife switches. Produce magnetic force through electromagnetic disk circular telegram back to opposite with magnetic block magnetism, make the magnetic block upwards stretch out because of homopolar repulsion, and carry on spacingly to the protection casing after opening through the wedge structure of its top, avoid the protection casing to withdraw, avoid being in under the dark environment because of the power consumption case, when overhauing the change over switch body, touch the seat of dialling on the change over switch by mistake, cause the mistake to touch the change over switch body.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a dual-power change-over switch for a medical place.
Background
In the hospital, all there is a large amount of medical equipment work every day, for medical equipment can normal operating to when treating the patient, medical equipment can not cut off the power supply midway, all can adopt dual supply change over switch in the hospital power cabinet, control hospital's circuit connection and have main power supply (commercial power) and stand-by power supply, when the main power supply breaks down and can not use, change over switch automatic switch-over fast prevents the power failure of hospital's circuit.
In normal operation of hospital power utilization, the normal power utilization of the hospital is also determined by the overhaul of circuits, electrical cabinets, power cabinets and the like; when the power cabinet is maintained in daily life, due to the fact that the number of electrical elements in the power cabinet is large and the electrical elements are not good, and the power cabinet is in a dark environment, when other electrical elements in the power cabinet are maintained, a poking seat on a change-over switch can be touched by mistake, manual switching of an electricity utilization power supply is caused, and therefore after maintenance, a maintenance worker cannot confirm that the change-over switch is touched by mistake and cannot confirm the state of the change-over switch; in the maintenance process, when the main power supply fails, the change-over switch cannot automatically switch the standby power supply in time, so that the medical equipment is powered off, and further the patient cannot be recovered.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a dual-power transfer switch for a medical place, which has the advantages that during maintenance, a worker is prevented from mistakenly touching the transfer switch, when the transfer switch is limited and fixed, the main power supply fails, the mistaken touching prevention component can be automatically closed, the transfer switch can normally work to perform power supply switching, and the like, and the problem that during maintenance, the worker can mistakenly touch a shifting seat on the transfer switch, so that the power supply fails to be manually switched and maintained, and the transfer switch cannot be automatically switched in time.
(II) technical scheme
In order to solve the technical problems that when the maintenance is carried out, workers can mistakenly touch a poking seat on a change-over switch, so that the manual switching and maintenance of the power supply are caused, a main power supply fails, and the change-over switch cannot automatically switch the power supply in time, the invention provides the following technical scheme: a dual-power transfer switch for a medical place comprises a transfer switch body, an anti-false-touch component and a protective cover, wherein a switching knob seat is arranged in the middle of the transfer switch body, switching knife switches are arranged on two sides of the transfer switch body, the protective cover is positioned above the switching knife switches and fixed at toggle ends on two sides of the bottom of the switching knob seat, and the toggle ends are used for driving the switching knife switches;
the mistaken touch preventing assembly comprises two groups of limiting assemblies, and the limiting assemblies are arranged at two ends of the switching knife switch at two sides of the change-over switch body and are used for preventing mistaken touch of the switching knife switch and preventing the switching knife switch from switching;
the mistaken touch preventing assembly further comprises a mistaken touch preventing switch, and the mistaken touch preventing switch is arranged on one side of the change-over switch body and used for controlling the mistaken touch preventing assembly to be started.
Preferably, change over switch body bottom is provided with the mounting panel, mounting panel week side is provided with the mounting hole, the mounting panel is located the position of switching plug-in strip bottom is provided with the wiring board, the wiring board both sides are provided with the wiring hole, the middle part of change over switch body is provided with adjusts the casing.
Preferably, switch the knob seat and be located adjust the middle part of casing, switch the knob seat including setting up drive shaft in the regulation casing, dial the end and fix the both sides of drive shaft, it is provided with the knob pointer to switch knob seat top middle part, knob pointer top is located adjust the casing upper surface and be provided with the switching pilot lamp, the switching pilot lamp is used for showing the switching state who switches the knob seat.
Preferably, the switching knife switch is total two, is main power source knife switch and stand-by power source knife switch respectively, main power source knife switch is connected with the commercial power, stand-by power source knife switch is connected with stand-by power source, the switching knife switch still includes the actuating lever, the actuating lever is close to one side of drive shaft is provided with the drive lug, the drive lug extend in stir the end middle part, and with stir the end cooperation and use for stir the end and can stir the drive lug.
Preferably, switch the plug-in strip still includes the plug-in strip pivot, the plug-in strip pivot is close to the one end of spacing subassembly extends to the lateral wall outside of switching the plug-in strip, and bilateral symmetry is provided with spacing lug, spacing lug with spacing subassembly cooperation is used.
Preferably, the protection casing slides and sets up switch blade's top, protection casing bottom both sides are provided with the chimb, the wiring board upper surface is provided with the spout, the protection casing pass through chimb cooperation spout with wiring board sliding connection, protection casing one side outer wall is provided with the draw-in groove, it aims at to switch knob seat lateral wall first recess has been seted up to the position of draw-in groove, be provided with electronic pole in the first recess, electronic pole tip is provided with the hasp, the hasp other end with the draw-in groove cooperation for the protection casing dies to the lock.
Preferably, the wiring board is located switch blade both ends lateral wall, just right the chimb position has all been seted up the second recess, every the inside electromagnetic dish that is provided with of second recess, the electromagnetic dish tip is provided with the magnetic block, the magnetic block with the opposite face magnetism of electromagnetic dish is opposite, the magnetic block tip is wedge form structure, two the electromagnetic dish is connected with the power of corresponding position respectively.
Preferably, each group of limiting assemblies comprises two driving plates, the middle of each driving plate is rotatably connected with one side wall of each switching knife, one side, close to each limiting lug, of the inner wall of each driving plate is provided with a compression spring, the other side of the inner wall of each driving plate is provided with a tension spring, one end, close to each limiting lug, of each driving plate is arranged close to each knife rotating shaft, the other end of each driving plate extends to the outer side of each switching knife and between the inner sides of the protective covers, one end, close to each switching knob seat, of each protective cover is provided with a linkage lug, and the linkage lugs are matched with the driving plates for use.
Preferably, the false touch prevention switches are two in number and control the false touch prevention assemblies on two sides of the change-over switch body respectively, and the two sides of the false touch prevention switches are provided with two different false touch prevention indicator lamps with different colors for warning the working state of the change-over switch.
(III) advantageous effects
Compared with the prior art, the invention provides a dual-power transfer switch for a medical place, which has the following beneficial effects:
1. this dual supply change over switch for medical site, main power source switch-blade control change over switch body one end through switching in the switch blade is connected with the power supply of market, is connected with stand-by power supply through stand-by power source switch-blade control change over switch body other end, wherein drives through the drive shaft and dials the end rotation, and then stirs the drive lug of both sides to drive the actuating lever and rotate, make the activestandby power supply switch over.
2. This dual supply change over switch for medical site protects switching knife switch through the protection casing, avoids in the use dust directly to fall into switching knife switch for short circuit phenomenon appears in the change over switch body, and through electronic pole pulling hasp in the normal use of change over switch body, makes hasp one end catch on the draw-in groove, makes the protection casing tightly detain in switching knife switch top.
3. This dual supply change over switch for medical site produces magnetic force after circular telegram through the electromagnetic disk to opposite with magnetic block magnetism, make the magnetic block upwards stretch out because of homopolar repulsion, and the protection casing after opening is carried on spacingly through the wedge structure of its top, avoid the protection casing to withdraw, avoid being in under the dark environment because of the power consumption case, when overhauing the change over switch body, the mistake touches the seat of dialling on the change over switch, causes the mistake to touch the change over switch body.
4. This dual supply change over switch for medical site, through the electromagnetic disk of main power switch blade one side, be connected with the electric output end of main power switch blade, when the main power source breaks down, the electromagnetic disk outage of main power switch blade one side, the magnetism piece attracts and falls with the electromagnetic disk mutually, and then the protection casing is withdrawed, prevent that the mistake touches the subassembly and closes switching knob seat initiative and rotate, and drive main power switch blade and switch over, and then make change over switch body disconnection main power source, and connect through stand-by power supply, make change over switch can in time carry out stand-by power supply's conversion automatically, hospital's normal power consumption has been guaranteed, avoid causing the medical instrument outage, to the injury that causes the patient can't retrieve.
5. This dual supply change over switch for medical site, through opening the mistake of preventing touching the switch, start the mistake of preventing touching the subassembly, when pressing the mistake of preventing touching the switch, the mistake of preventing touches the pilot lamp and becomes yellow to show that staff change over switch body is in the maintenance state, when closing the mistake of preventing touching the switch, the mistake of preventing touches the pilot lamp and turns green, is in normal operating condition with showing staff change over switch body, security, reliability when further ensuring change over switch overhauls.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a second schematic perspective view of the present invention;
FIG. 3 is a schematic view of the overall left-side plan structure of the present invention;
FIG. 4 is a schematic view of the overall top plan structure of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4B;
FIG. 6 is a schematic view of a main power blade of the present invention in a partially cut-away perspective view;
FIG. 7 is an enlarged view of a portion of FIG. 6A;
FIG. 8 is a second schematic view of the main power switch blade of the present invention with a partially cut-away perspective structure;
FIG. 9 is a schematic view of a partial internal cross-sectional perspective view of the backup power blade of the present invention;
fig. 10 is a partially enlarged view of the structure of fig. 9C according to the present invention.
In the figure: 1. a transfer switch body; 11. mounting a plate; 12. mounting holes; 13. adjusting the shell; 2. Switching the knob seat; 21. a drive shaft; 22. a knob pointer; 23. switching an indicator light; 24. a first groove; 25. an electric rod; 26. locking; 3. switching a knife switch; 31. a wiring board; 311. a chute; 312. a second groove; 313. an electromagnetic disk; 314. a magnetic block; 32. a wiring hole; 33. a main power switch; 34. a standby power switch; 35. a drive rod; 36. a drive lug; 37. a knife switch rotating shaft; 38. a limiting bump; 4. a toggle end; 5. a limiting component; 51. a drive plate; 52. a compression spring; 53. an extension spring; 6. a false touch prevention switch; 61. the mistaken touch prevention indicator lamp; 7. a protective cover; 71. a convex edge; 72. a card slot; 73. and a linkage lug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides the following technical solutions: a dual-power transfer switch for a medical place comprises a transfer switch body 1, an anti-false-touch component and a protective cover 7, wherein a switching knob seat 2 is arranged in the middle of the transfer switch body 1, switching knife switches 3 are arranged on two sides of the transfer switch body 1, the protective cover 7 is positioned above the switching knife switches 3, toggle ends 4 are fixed on two sides of the bottom of the switching knob seat 2, and the toggle ends 4 are used for driving the switching knife switches 3;
the false touch prevention assembly comprises two groups of limiting assemblies 5, wherein the limiting assemblies 5 are arranged at two ends of the switching knife switch 3 at two sides of the change-over switch body 1 and are used for preventing the switching knife switch 3 from being touched by mistake and preventing the switching knife switch 3 from switching;
the false touch prevention assembly further comprises a false touch prevention switch 6, wherein the false touch prevention switch 6 is arranged on one side of the change-over switch body 1 and used for controlling the false touch prevention assembly to be started.
Furthermore, the bottom of the change-over switch body 1 is provided with a mounting plate 11, the periphery of the mounting plate 11 is provided with a mounting hole 12, the position of the mounting plate 11 at the bottom of the change-over switch blade 3 is provided with a wiring board 31, both sides of the wiring board 31 are provided with wiring holes 32, the middle part of the change-over switch body 1 is provided with an adjusting shell 13, the mounting hole 12 arranged at the periphery of the mounting plate 11 is utilized to mount and fix the change-over switch body 1, in addition, the change-over switch body 1 is provided with a mode change-over switch which is a self-provided function of the existing power change-over switch and has a function of switching the power change-over switch between a manual switching mode and an automatic switching mode, for example, the power change-over switch is switched to the automatic switching mode when the power change-over switch normally works so that the main power supply fails when the power supply is used, the power change-over switch can switch a standby power supply at any time, for example, when the main power supply is actively replaced, the power supply change-over switch is switched to a manual change-over mode, and a worker can manually turn the change-over knob seat 2 by hand to enable the main power switch 33 to disconnect the main power supply from the circuit and simultaneously connect the standby power supply to the circuit.
Further, switch knob seat 2 and be located the middle part of adjusting casing 13, switch knob seat 2 including setting up drive shaft 21 in adjusting casing 13, dial end 4 and fix the both sides at drive shaft 21, switch knob seat 2 top middle part and be provided with knob pointer 22, knob pointer 22 top is located adjusting casing 13 upper surface and is provided with switches pilot lamp 23, switch pilot lamp 23 is used for showing the switching state who switches knob seat 2, utilize to switch knob seat 2 and set up inside adjusting casing 13, protect switching knob seat 2, wherein adjust casing 13 material and be insulating material, take place the electric shock when avoiding switching knob seat 2 through manual rotation, when rotatory switching knob seat 2, switch knob seat 2 top sets up knob pointer 22 cooperation switching display lamp 23, can indicate the power source that change over switch body 1 connects at present.
Further, the number of the switching blades 3 is two, which are a main power blade 33 and a standby power blade 34, respectively, the main power blade 33 is connected with a commercial power supply, the standby power blade 34 is connected with a standby power supply, the switching blade 3 further includes a driving rod 35, one side of the driving rod 35 close to the driving shaft 21 is provided with a driving bump 36, the driving bump 36 extends to the middle of the toggle end 4 and is used in cooperation with the toggle end 4, so that the toggle end 4 can toggle the driving bump 36, one end of the main power blade 33 in the switching blade 3 is used for controlling one end of the change-over switch body 1 to be connected with the commercial power supply, the other end of the change-over switch body 1 is controlled to be connected with the standby power supply through the standby power blade 34, wherein the toggle end 4 is driven to rotate by the driving shaft 21, and then the driving bumps 36 on two sides are driven to rotate the driving rod 35, so that the main power supply and the standby power supply are switched.
Further, switch plug-in strip 3 still includes plug-in strip pivot 37, and the one end that plug-in strip pivot 37 is close to spacing subassembly 5 extends to the lateral wall outside of switching plug-in strip 3, and bilateral symmetry is provided with spacing lug 38, and spacing lug 38 uses with spacing subassembly 5 cooperation, utilizes spacing lug 38 of spacing subassembly 5 cooperation plug-in strip pivot 37 tip to carry out spacing control to plug-in strip pivot 37, and then makes switching plug-in strip 3 can not the manual passive switching when overhauing.
Furthermore, the protective cover 7 is slidably disposed above the switch blade 3, flanges 71 are disposed on two sides of the bottom of the protective cover 7, a sliding groove 311 is disposed on the upper surface of the wiring board 31, the protective cover 7 is slidably connected with the wiring board 31 through the flange 71 in cooperation with the sliding groove 311, a clamping groove 72 is disposed on the outer wall of one side of the protective cover 7, a first groove 24 is disposed on the side wall of the switching knob seat 2 at a position corresponding to the clamping groove 72, an electric rod 25 is disposed in the first groove 24, a latch 26 is disposed at the end of the electric rod 25, the other end of the latch 26 is engaged with the clamping groove 72 and used for locking the protective cover 7, the protective cover 7 is used for protecting the switch blade 3, so that dust is prevented from directly falling into the switch blade 3 during use, the short circuit phenomenon occurs in the switch body 1, and the latch 26 is pulled by the electric rod 25 during normal use of the switch body 1, so that one end of the latch 26 hooks the clamping groove 72, make protection casing 7 tightly detain in switching plug-in strip 3 top, wherein electric pole 25 drive switch is connected with mistake proofing touch switch 6, and when mistake proofing touch switch 6 opened, electric pole 25 extended, made hasp 26 leave the draw-in groove 72, and then can slide protection casing 7 and open, when mistake proofing touch switch 6 closed, electric pole 25 shrink made hasp 26 can tightly detain draw-in groove 72.
Furthermore, the wiring board 31 is located on the side walls of the two ends of the switching knife 3, the positions facing the convex edge 71 are both provided with second grooves 312, an electromagnetic disc 313 is arranged in each second groove 312, a magnetic block 314 is arranged at the end part of the electromagnetic disc 313, the magnetic block 314 and the opposite surface of the electromagnetic disc 313 are opposite in magnetism, the end part of the magnetic block 314 is of a wedge-shaped structure, the two electromagnetic discs 313 are respectively connected with a power supply at the corresponding positions, the magnetic disc 313 is electrified to generate magnetic force, and the magnetic block 314 is opposite in magnetism to the magnetic block 314, so that the magnetic block 314 extends upwards due to the repulsion of like poles, the opened protective cover 7 is limited through the wedge-shaped structure above the magnetic block, the protective cover 7 is prevented from being withdrawn, wherein the electromagnetic disc 313 on one side of the main power switch 33 is connected with the electric output end of the main power switch 33, when the main power supply fails, the electromagnetic disc 313 on one side of the main power switch 33 is powered off, the magnetic block 314 and the electromagnetic disc 313 attract and fall down, and then the protective cover 7 withdraws, the false touch preventing component closes the switching knob seat 2 to actively rotate, and drives the main power switch blade 33 to switch, so that the change-over switch body 1 disconnects the main power supply and is communicated with a standby power supply.
Further, each set of limit assembly 5 comprises two driving plates 51, the middle of each driving plate 51 is rotatably connected with the side wall of one end of the switching blade 3, one side of the inner wall of each driving plate 51, which is close to the limit bump 38, is provided with a compression spring 52, the other side of the inner wall of each driving plate 51 is provided with an extension spring 53, one end of each driving plate 51, which is close to the limit bump 38, is arranged close to the blade rotating shaft 37, the other end of each driving plate 51 extends to a position between the outer side of the switching blade 3 and the inner side of the protective cover 7, one end of the inner side of the protective cover 7, which is close to the switching knob seat 2, is provided with a linkage bump 73, the linkage bump 73 is matched with the driving plate 51 for use, after the protective cover 7 is completely opened, the linkage bump 73 on the inner side of the protective cover 7 pushes the end of the driving plate 51, so that one end of each driving plate 51, which is close to the blade rotating shaft 37, is close to the switching blade 3, and further the driving plate 51 is positioned above or below the limit bump 38 on the blade rotating shaft 37, the switch blade rotating shaft 37 is limited, and the switch blade rotating shaft 37 is prevented from rotating randomly.
Further, the false touch prevention switches 6 are two in number, the false touch prevention assemblies on two sides of the change-over switch body 1 are controlled respectively, the two sides of the false touch prevention switches 6 are provided with the false touch prevention indicator lamps 61 with two different colors, the working state of the change-over switch is warned, the false touch prevention switches 6 are turned on by utilization, the false touch prevention assemblies are started, when the false touch prevention switches 6 are pressed down, the false touch prevention indicator lamps 61 become yellow, the maintenance state of the change-over switch body 1 of the working personnel is shown, when the false touch prevention switches 6 are turned off, the false touch prevention indicator lamps 61 become green, and the working state of the change-over switch body 1 of the working personnel is shown.
The working principle is as follows: when the transfer switch is used, the transfer switch body 1 is connected into an electric box for a hospital through the mounting holes 12 arranged on the peripheral side of the mounting plate 11, the transfer switch body 1 is fixedly mounted, a commercial power supply is connected into the transfer switch body from the wiring hole 32 above the wiring board 31 at the bottom of the main power switch blade 33, a standby power supply is connected into the wiring hole 32 above the wiring board 31 at the bottom of the standby power switch blade 34, and then the wiring holes 32 below the wiring boards 31 at the bottoms of the two transfer switch blades 3 are respectively connected with a common line through wires, so that the work of connecting the transfer switch body 1 into a circuit is completed.
When the change-over switch body 1 normally works during working, firstly, the switch blade 3 is adjusted through the switch knob seat 2, so that the main power switch blade 33 in the switch blade 3 controls one end of the change-over switch body 1 to be connected with a commercial power supply, and the mode change-over switch carried by the change-over switch body 1 is switched to an automatic mode, at the moment, the change-over switch body 1 is in an automatic switching state, the knob pointer 22 above the switch knob seat 2 points to one end of the main power switch blade 33, and the switch indicating lamp 23 in the direction is lightened.
When the hospital normally uses electricity, when needing to examine and repair the power consumption case, the staff opens earlier and prevents mistake and touch switch 6, make change over switch body 1 be in preventing mistake and touch the mode, the mistake of preventing that this moment prevents mistake and touch switch 6 one side touches pilot lamp 61 and becomes yellow, in order to show that staff change over switch body 1 is in the maintenance state, after preventing mistake and touch switch 6 and open, electric pole 25 extends, make hasp 26 leave draw-in groove 72, and then can open protection casing 7 slip, the staff pulls the protection casing 7 at both ends to both ends, wherein the magnetic block 314 of this in-process electromagnetism dish 313 top is under the effect of electromagnetism dish 313, receive ascending power, after protection casing 7 passes through magnetic block 314 completely, magnetic block 314 is ejecting, carry on spacingly to protection casing 7.
When the protective cover 7 is completely pulled open, the linkage lug 73 on the inner side of the protective cover 7 pushes the tail end of the drive plate 51, so that one end of the drive plate 51 close to the switch blade rotating shaft 37 abuts against the switching switch blade 3, the drive plate 51 is further positioned above or below the limiting lug 38 on the switch blade rotating shaft 37 to limit the switch blade rotating shaft 37, the switch blade rotating shaft 37 is prevented from rotating freely, the electromagnetic disc 313 is electrified to generate magnetic force, the magnetism of the electromagnetic disc 313 is opposite to that of the magnetic block 314, the magnetic block 314 extends upwards due to homopolar repulsion, the opened protective cover 7 is limited through the wedge-shaped structure above the magnetic block, the protective cover 7 is prevented from being retracted, wherein the electromagnetic disc 313 on one side of the main power switch blade 33 is connected with the electric output end of the main power switch blade 33, when the main power fails, the electromagnetic disc 313 on one side of the main power switch blade 33 is powered off, the magnetic block 314 is attracted with the electromagnetic disc 313 and falls down, and then the protection casing 7 withdraws, and the anti-false touch component closes and switches the knob seat 2 and initiatively rotates to drive the main power switch 33 and switch, and then make the change-over switch body 1 break off the main power, and connect the stand-by power supply, guarantee the normal power consumption of hospital.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a dual supply change over switch for medical site, includes change over switch body (1), prevents mistake and touches subassembly and protection casing (7), change over switch body (1) middle part is provided with switches knob seat (2), change over switch body (1) both sides are provided with switches plug-in strip (3), protection casing (7) are located switch plug-in strip (3) top, its characterized in that: the toggle ends (4) are fixed on two sides of the bottom of the switching knob seat (2), and the toggle ends (4) are used for driving the switching knife (3);
the mistaken touch preventing assembly comprises two groups of limiting assemblies (5), wherein the limiting assemblies (5) are arranged at two ends of the switching knife switch (3) on two sides of the change-over switch body (1) and are used for preventing mistaken touch of the switching knife switch (3) and preventing the switching knife switch (3) from switching;
the false touch prevention assembly further comprises a false touch prevention switch (6), wherein the false touch prevention switch (6) is arranged on one side of the change-over switch body (1) and used for controlling the false touch prevention assembly to be started.
2. The dual-power transfer switch for the medical site of claim 1, wherein: the change over switch body (1) bottom is provided with mounting panel (11), mounting panel (11) week side is provided with mounting hole (12), mounting panel (11) are located the position of switching plug-in strip (3) bottom is provided with wiring board (31), wiring board (31) both sides are provided with wiring hole (32), the middle part of change over switch body (1) is provided with adjusts casing (13).
3. The dual-power transfer switch for the medical site of claim 2, wherein: switch knob seat (2) and be located the middle part of adjusting casing (13), switch knob seat (2) including setting up drive shaft (21) in adjusting casing (13), it fixes to dial end (4) the both sides of drive shaft (21), it is provided with knob pointer (22) to switch knob seat (2) top middle part, knob pointer (22) top is located it switches pilot lamp (23) to adjust casing (13) upper surface, it is used for the display to switch the switching state of knob seat (2) to switch pilot lamp (23).
4. The dual power transfer switch for the medical site of claim 3, wherein: switch plug-in strip (3) are total two, are main power source plug-in strip (33) and stand-by power supply plug-in strip (34) respectively, main power source plug-in strip (33) are connected with the commercial power, stand-by power supply plug-in strip (34) are connected with stand-by power supply, switch plug-in strip (3) still include actuating lever (35), actuating lever (35) are close to one side of drive shaft (21) is provided with drive lug (36), drive lug (36) extend in stir end (4) middle part, and with stir end (4) cooperation and use for stir end (4) and can stir drive lug (36).
5. The dual-power transfer switch for the medical site of claim 4, wherein: switch plug-in strip (3) still includes plug-in strip pivot (37), plug-in strip pivot (37) are close to the one end of spacing subassembly (5) extends to the lateral wall outside of switching plug-in strip (3), and bilateral symmetry is provided with spacing lug (38), spacing lug (38) with spacing subassembly (5) cooperation is used.
6. The dual-power transfer switch for the medical site of claim 5, wherein: protection casing (7) slide to set up switch blade (3)'s top, protection casing (7) bottom both sides are provided with chimb (71), wiring board (31) upper surface is provided with spout (311), protection casing (7) through chimb (71) cooperation spout (311) with wiring board (31) sliding connection, protection casing (7) one side outer wall is provided with draw-in groove (72), switch knob seat (2) lateral wall to first recess (24) have been seted up to the position of draw-in groove (72), be provided with electric pole (25) in first recess (24), electric pole (25) tip is provided with hasp (26), hasp (26) other end with draw-in groove (72) cooperation for locking protection casing (7).
7. The dual-power transfer switch for the medical site of claim 6, wherein: wiring board (31) are located switch blade (3) both ends lateral wall, just right second recess (312), every have all been seted up to chimb (71) position second recess (312) inside is provided with electromagnetism dish (313), electromagnetism dish (313) tip is provided with magnetic block (314), magnetic block (314) with electromagnetism dish (313) opposite face magnetism is opposite, magnetic block (314) tip is the wedge form structure, two electromagnetism dish (313) are connected with the power of corresponding position respectively.
8. The dual power transfer switch for the medical site of claim 7, wherein: every spacing subassembly of group (5) includes two drive plates (51), drive plate (51) middle part with switching plug-in strip (3) one end lateral wall rotates to be connected, drive plate (51) inner wall is close to one side of spacing lug (38) is provided with compression spring (52), drive plate (51) inner wall opposite side is provided with extension spring (53), drive plate (51) are close to the one end of spacing lug (38) is near plug-in strip pivot (37) sets up, the drive plate (51) other end extends to switch plug-in strip (3) the outside with between protection casing (7) the inboard, protection casing (7) inboard is close to the one end of switching knob seat (2) is provided with linkage lug (73), linkage lug (73) with drive plate (51) cooperation is used.
9. The dual power transfer switch for the medical site of claim 8, wherein: prevent mistake and touch switch (6) total two, control respectively the mistake of preventing of change over switch body (1) both sides touches the subassembly, mistake of preventing touching switch (6) both sides are provided with the mistake of preventing that two kinds of colours are different and touch pilot lamp (61) for warn change over switch operating condition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487198.0A CN113593961B (en) | 2021-05-05 | 2021-05-05 | Dual-power change-over switch for medical place |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487198.0A CN113593961B (en) | 2021-05-05 | 2021-05-05 | Dual-power change-over switch for medical place |
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| CN113593961A true CN113593961A (en) | 2021-11-02 |
| CN113593961B CN113593961B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110487198.0A Active CN113593961B (en) | 2021-05-05 | 2021-05-05 | Dual-power change-over switch for medical place |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114429873A (en) * | 2021-12-13 | 2022-05-03 | 深圳市龙星辰电源有限公司 | Automatic control combination formula medical power switch |
| CN116631792A (en) * | 2023-06-16 | 2023-08-22 | 国网安徽省电力有限公司天长市供电公司 | Power transmission switching device of transformer substation |
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| CN209168976U (en) * | 2019-01-10 | 2019-07-26 | 常熟开关制造有限公司(原常熟开关厂） | A kind of automatic change-over |
| CN110310849A (en) * | 2019-07-31 | 2019-10-08 | 柏法瑞电气（厦门）有限公司 | It is a kind of can padlock dual-power transfer switch |
| CN210837543U (en) * | 2019-08-12 | 2020-06-23 | 衢州光明电力投资集团有限公司 | High-reliability dual-power switching device |
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| CN209168976U (en) * | 2019-01-10 | 2019-07-26 | 常熟开关制造有限公司(原常熟开关厂） | A kind of automatic change-over |
| CN110310849A (en) * | 2019-07-31 | 2019-10-08 | 柏法瑞电气（厦门）有限公司 | It is a kind of can padlock dual-power transfer switch |
| CN210837543U (en) * | 2019-08-12 | 2020-06-23 | 衢州光明电力投资集团有限公司 | High-reliability dual-power switching device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114429873A (en) * | 2021-12-13 | 2022-05-03 | 深圳市龙星辰电源有限公司 | Automatic control combination formula medical power switch |
| CN114429873B (en) * | 2021-12-13 | 2023-11-21 | 深圳市龙星辰电源有限公司 | Automatic control combined medical power switch |
| CN116631792A (en) * | 2023-06-16 | 2023-08-22 | 国网安徽省电力有限公司天长市供电公司 | Power transmission switching device of transformer substation |
| CN116631792B (en) * | 2023-06-16 | 2023-11-10 | 国网安徽省电力有限公司天长市供电公司 | Power transmission switching device of transformer substation |
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|---|---|
| CN113593961B (en) | 2023-11-03 |
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