CN114038694A - Energy-saving conversion device of switch electric appliance - Google Patents

Energy-saving conversion device of switch electric appliance Download PDF

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Publication number
CN114038694A
CN114038694A CN202111247809.0A CN202111247809A CN114038694A CN 114038694 A CN114038694 A CN 114038694A CN 202111247809 A CN202111247809 A CN 202111247809A CN 114038694 A CN114038694 A CN 114038694A
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CN
China
Prior art keywords
curved surface
auxiliary switch
standby
iron core
sliding guide
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Granted
Application number
CN202111247809.0A
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Chinese (zh)
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CN114038694B (en
Inventor
安建珍
康学福
康志林
李向兵
赵利民
宋小峰
苓树奇
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Tianshui Normal University
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Tianshui Normal University
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Publication of CN114038694A publication Critical patent/CN114038694A/en
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Publication of CN114038694B publication Critical patent/CN114038694B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/28Power arrangements internal to the switch for operating the driving mechanism using electromagnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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 with automatic change-over, e.g. UPS systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

The invention discloses an energy-saving conversion device of a switching device, which comprises an installation plate, wherein a limit cam is assembled in the installation plate through a limit shaft, a first curved surface of the limit cam is abutted against the tail end of a common side sliding guide rod, the front part of the common side sliding guide rod is arranged in a common side auxiliary switch, a second curved surface is abutted against the tail end of a standby side sliding guide rod, and the front part of the standby side sliding guide rod is arranged in the standby side auxiliary switch; one side of the first curved surface is connected with the front end of the movable iron core through the driving connecting rod, the movable iron core is installed in the magnetic system, the movable iron core is attracted or disconnected in the magnetic system under the action of magnetic force to drive the limiting cam to rotate, and the conversion of the working positions of the common side auxiliary switch and the standby side auxiliary switch is achieved. The invention adopts a magnetic system to realize the switching requirement of the common power supply and the standby power supply of the automatic transfer switch, needs few parts, greatly reduces the production cost of products, increases the reliability and the safety of the products, and is energy-saving and environment-friendly.

Description

Energy-saving conversion device of switch electric appliance
Technical Field
The invention relates to the technical field of switch electric equipment, in particular to an energy-saving conversion device of a switch electric equipment, which realizes the conversion of multiple positions of an automatic conversion switch by utilizing a set of magnetic system.
Background
With the development of social economy, the switching device is widely applied to power distribution systems in the fields of buildings, fire fighting, communication, hospitals, finance, airports, subways, military affairs, data centers and the like, and is used for switching between two power supplies so as to ensure uninterrupted power supply of important loads or allow short-time power failure for maintenance, debugging and overhauling. Therefore, the product is required to be very convenient and safe to maintain and debug, and the continuity of power utilization and the life safety of equipment maintenance personnel are ensured by overhauling the product. Two sets of magnetic system structures for original change over switch are controlled to switch two sets of contacts respectively and are moved, and the switch body is bulky, and the material is many, and the power consumption is big, and the reliability is lower, can appear two way power overlap phenomena simultaneously, and signal switch output scheduling problem is inaccurate, causes the controller to burn out or the switch malfunction, reduces the power consumption quality.
Disclosure of Invention
The invention aims to provide an energy-saving conversion device of a switching device, which adopts a set of magnetic system to realize the rapid and accurate conversion of multiple positions of an automatic change-over switch, avoids the phenomenon of overlapping of two power supplies and improves the reliability of switching equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an energy-saving conversion device of a switching device comprises a mounting plate formed by punching, wherein the mounting plate comprises a front vertical plate, a left wing plate and a right wing plate which are perpendicular to the front vertical plate, a limiting shaft penetrates through the left wing plate, the axis of a limiting cam and the right wing plate, the limiting cam is positioned between the left wing plate and the right wing plate and comprises a first curved surface and a second curved surface, the first curved surface is abutted against the tail end of a common side sliding guide rod arranged at the tail part of a common side auxiliary switch, the front part of the common side sliding guide rod is arranged inside the side wall of the common side auxiliary switch, and a reset spring is arranged at the joint; the second curved surface is abutted against the tail end of a standby side sliding guide rod arranged at the tail part of the standby side auxiliary switch, the front part of the standby side sliding guide rod is arranged in the side wall of the standby side auxiliary switch, and a return spring is arranged at the joint; the common side auxiliary switch and the standby side auxiliary switch are arranged at the front end of the left wing plate side by side through adjusting screws; one side of the first curved surface is connected with the front end of the movable iron core through the driving connecting rod, the rear end of the movable iron core penetrates through the positioning hole in the center of the front vertical plate and then extends to the outer side of the mounting plate, the movable iron core, the driving connecting rod and the limiting cam form a transmission connecting rod mechanism, the movable iron core is mounted in a magnetic system, the magnetic system is connected with a remote control system, the movable iron core is attracted or disconnected under the action of magnetic force in the magnetic system to drive the limiting cam to rotate, and then the first curved surface and the common side sliding guide rod are driven to move relatively, the second curved surface and the standby side sliding guide rod move relatively, and the conversion of the working positions of the common side auxiliary switch and the standby side auxiliary switch is achieved.
Preferably, the first curved surface and the second curved surface have the same shape and respectively comprise three arc-shaped surfaces which are connected end to end, and the three arc-shaped surfaces of the first curved surface and the second curved surface are staggered and arranged after rotating for 30-35 degrees relative to each other by taking the axis of the limiting cam as a rotating point.
Preferably, a connecting rod mounting hole is formed in one side of the first curved surface, one end of the front end short rod of the driving connecting rod penetrates through the connecting rod mounting hole, the rear end portion of the front end short rod of the driving connecting rod is fixed through a check ring, and one end of the rear end short rod of the driving connecting rod is embedded in a connecting hole in the front end of the movable iron core.
Preferably, the other end of the front end short rod and the other end of the rear end short rod of the driving connecting rod are smoothly connected through a cross rod.
In the present invention, the limit cam causes the automatic transfer switch to have three important switch state positions:
first switch state position: the position is the position where the limit cam rotates rightwards to the bottom, and the position is the power supply position of the common power supply side of the automatic transfer switch, namely after the first curved surface on the limit cam is matched with the auxiliary switch of the common power supply side, the output signal provided for the control system is a closing signal of the common power supply side, so that the transfer switch is switched to the common power supply side to work normally;
second switch state position: the position is the position where the limiting cam is rotated to the bottom from the left, and the position is the power supply position of the standby power supply side of the automatic transfer switch, namely after the second curved surface on the limiting cam is matched with the auxiliary switch of the standby power supply side, the output signal provided for the control system is a switching-on signal of the standby power supply side, so that the transfer switch is switched to the standby power supply side to work normally;
third switch state position: the position of the limiting cam from right rotation or left rotation to the middle dead point is provided, the position automatic change-over switch is in the middle position, the two power supplies work, the position is also a node of signal output state change of the common side auxiliary switch and the standby side auxiliary switch, the signal output states of the common side auxiliary switch and the standby side auxiliary switch are always kept in opposite states, the limiting cam can quickly pass through the position through inertia brought to the limiting cam by a counterweight, the common side auxiliary switch and the standby side auxiliary switch quickly complete replacement of the working positions, reliable switching of the two power supplies is guaranteed, and meanwhile the phenomenon of power supply overlapping cannot occur.
The working principle of switching the automatic change-over switch from one power supply to the other power supply by using the invention is as follows:
the switch is switched on at the side of the common power supply, and a normally closed point of the auxiliary switch at the side of the common power supply is connected into the control loop; when the power supply at the side of the common power supply is normal, the change-over switch can not act and keeps the original state, and at the moment, the magnetic system can not act; when the remote control system detects that the working power supply at the common side is abnormally changed and exceeds the set value range of the technical requirement, the remote control system sends a power supply switching instruction, the magnetic system is electrified to act, the movable iron core is attracted to act, the movable iron core drives the limiting cam to rotate leftwards through the driving connecting rod, the sliding guide rod at the common side slides along the first curved surface under the pushing of the reset spring, the distance between the first curved surface and the tail part of the auxiliary switch at the common side is gradually increased, the sliding guide rod at the standby side slides along the second curved surface, the distance between the second curved surface and the tail part of the auxiliary switch at the standby side is gradually reduced, the sliding guide rod is fixedly provided with a moving contact of the auxiliary switch, the inner part of the auxiliary switch is fixedly provided with a static contact, and the sliding guide rod slides to enable the normally open and normally closed points of the auxiliary switch to be changed; when the limiting cam rotates to the middle dead point position of the switch, the contact of the auxiliary switch on the common side is changed from a normally closed point to a normally open point, so that the control circuit loses power, the magnetic system loses power simultaneously, the movable iron core is released, the movable iron core continues to drive the limiting cam to rotate leftwards under the inertia effect, the limiting cam stops rotating after the limiting cam rotates leftwards to the end, at the moment, the standby power supply side is switched on, and the switch is switched to the working position of the standby power supply side from the working position of the common power supply side.
The switch is switched on at the standby power supply side, and the normally closed point of the standby auxiliary switch is connected to the control loop; when the standby power supply side power supply is normal, the change-over switch does not operate and keeps the original state, and at the moment, the magnetic system does not operate. When the remote control system detects that the working power supply at the standby side has abnormal change and exceeds the set value range of the technical requirement, the remote control system sends a switching instruction, the magnetic system is electrified to act, the movable iron core is attracted to act, the movable iron core drives the limiting cam to rotate rightwards through the driving connecting rod, the sliding guide rod at the standby side slides along the second curved surface under the pushing of the reset spring, the distance between the second curved surface and the tail part of the auxiliary switch at the standby side is gradually increased, the sliding guide rod at the common side slides along the first curved surface, the distance between the first curved surface and the tail part of the auxiliary switch at the common side is gradually reduced, a movable contact of the auxiliary switch is fixed on the sliding guide rod, a fixed contact is fixed inside the auxiliary switch, and the sliding of the sliding guide rod enables the normally open and normally closed points of the auxiliary switch to change; when the limit cam rotates to the middle dead point position of the switch, the auxiliary switch contact at the standby side is changed from a normally closed point to a normally open point, so that the control loop is powered off, the magnetic system is powered off simultaneously, the movable iron core is released, the movable iron core continues to drive the limit cam to rotate rightwards under the inertia effect, the stop is realized until the right rotation is completed, the common power supply side of the switch is switched on, and the switch is switched to the common power supply side working position from the standby power supply side working position.
The invention adopts a magnetic system to realize the switching requirement of the common power supply and the standby power supply of the automatic transfer switch, needs few parts, greatly reduces the production cost of products, increases the reliability and the safety of the products, and is energy-saving and environment-friendly.
According to the invention, the limiting cam is connected with the movable iron core through the driving connecting rod, the rotating power of the limiting cam is provided by the movable iron core, the rotating angle and the final position state of the limiting cam are determined by the driving connecting rod, and the driving connecting rod plays a role in connection and also plays a role in determining the motion track of the limiting cam.
According to the invention, the common side auxiliary switch and the standby side auxiliary switch are arranged on the left wing plate of the mounting plate through the adjusting screws, and the common side auxiliary switch and the standby side auxiliary switch can be finely adjusted through the adjusting screws, so that the two curved surfaces of the auxiliary switch and the limiting cam are more reliably matched. A common side sliding guide rod arranged at the tail of the common side auxiliary switch slides on the first curved surface of the limiting cam in a reciprocating manner, and a standby side sliding guide rod arranged at the tail of the standby side auxiliary switch slides on the second curved surface of the limiting cam in a reciprocating manner, so that the work position conversion of the common side auxiliary switch and the standby side auxiliary switch is completed; the reliability of the signal output state change of the common side auxiliary switch and the standby side auxiliary switch determines the reliability of the switching between the two power supplies.
When the magnetic system fails or the power supply cannot be supplied when the power is cut off, the limiting cam can be manually operated by a tool to rotate to different positions according to requirements, and maintenance, debugging and overhaul are carried out, so that convenience and rapidness are realized.
Drawings
FIG. 1 is a schematic right-hand structural view of the present invention;
FIG. 2 is a schematic left-hand side view of the present invention;
FIG. 3 is a schematic view of the auxiliary switch and limit cam of FIG. 1 in cooperation;
FIG. 4 is a schematic view of the connection of the limit cam, the iron core, the driving link and the auxiliary switch on the common side in FIG. 1;
FIG. 5 is a schematic view of the connection of the limit cam, the iron core, the driving link and the auxiliary switch at the standby side in FIG. 1;
FIG. 6 is a schematic structural view of a limit cam;
FIG. 7 is a schematic view of the drive link;
FIG. 8 is a schematic view of the mounting plate construction;
FIG. 9 is a schematic view of the connection of the common side auxiliary switch, the common side sliding guide and the first curved surface;
in the figure: 1. mounting a plate; 2. a limiting cam; 3. a common side auxiliary switch; 4. a standby side auxiliary switch; 5. an adjusting screw; 6. a limiting shaft; 7. a left wing panel; 8. positioning holes; 9. a movable iron core; 10. a first curved surface; 11. a second curved surface; 12. a connecting rod mounting hole; 13. a front vertical plate; 14. a drive link; 15. a right wing panel; 16. a standby side sliding guide rod; 17. side sliding guides are commonly used.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the energy-saving conversion device of the switching device comprises a mounting plate 1 formed by punching, wherein the mounting plate 1 comprises a front vertical plate 13, a left wing plate 7 and a right wing plate 15 which are perpendicular to the front vertical plate 13, a limiting shaft 6 penetrates through the left wing plate 7, the axis of a limiting cam 2 and the right wing plate 15, the limiting cam 2 is positioned between the left wing plate 7 and the right wing plate 15, the limiting cam 2 comprises a first curved surface 10 and a second curved surface 11, the first curved surface 10 is abutted to the tail end of a common side sliding guide rod 17 arranged at the tail part of a common side auxiliary switch 3, the front part of the common side sliding guide rod 17 is arranged inside the side wall of the common side auxiliary switch 3, and a reset spring is arranged at the joint; the second curved surface 11 is abutted against the tail end of a standby side sliding guide rod 16 arranged at the tail part of the standby side auxiliary switch 4, the front part of the standby side sliding guide rod 16 is arranged in the side wall of the standby side auxiliary switch 4, and a return spring is arranged at the joint; the common side auxiliary switch 3 and the standby side auxiliary switch 4 are arranged at the front end of a left wing plate 7 side by side through an adjusting screw 5; one side of the first curved surface 10 is connected with the front end of a movable iron core 9 through a driving connecting rod 14, the rear end of the movable iron core 9 penetrates through a positioning hole 8 in the center of a front vertical plate 13 and then extends to the outer side of the mounting plate 1, the movable iron core 9, the driving connecting rod 14 and a limiting cam 2 form a transmission connecting rod mechanism, the movable iron core 9 is mounted in a magnetic system, the magnetic system is connected with a remote control system, the movable iron core 9 is attracted or disconnected in the magnetic system under the action of magnetic force to drive the limiting cam 2 to rotate, further, the first curved surface 10 and a common side sliding guide rod 17 are driven to move relatively, the second curved surface 11 and a standby side sliding guide rod 16 move relatively, and the conversion of the working positions of a common side auxiliary switch 3 and a standby side auxiliary switch 4 is achieved.
As shown in fig. 6, the first curved surface 10 and the second curved surface 11 have the same shape and each include three arc-shaped surfaces connected end to end, and the three arc-shaped surfaces of the first curved surface 10 and the second curved surface 11 are staggered with each other after rotating by 30 to 35 degrees relative to each other with the axis of the limiting cam 2 as a rotation point.
As shown in fig. 4 and 5, a link mounting hole 12 is formed on one side of the first curved surface 10, one end of a front end short rod of the driving link 14 penetrates through the link mounting hole 12, the rear end portion of the front end short rod is fixed by a retainer ring, and one end of a rear end short rod of the driving link 14 is fitted into a connecting hole at the front end of the plunger 9.
As shown in fig. 7, the other end of the front end short bar and the other end of the rear end short bar of the driving link 14 are smoothly connected by a cross bar.
The working principle of switching the automatic change-over switch from one power supply to the other power supply by using the invention is as follows:
the switch is switched on at the side of the common power supply, and the normally closed point of the auxiliary switch 3 at the common side is connected with the control loop; when the power supply at the side of the common power supply is normal, the change-over switch can not act and keeps the original state, and at the moment, the magnetic system can not act; when the remote control system detects that the working power supply at the common side is abnormally changed and exceeds the set value range of the technical requirement, the remote control system sends a power supply switching instruction, the magnetic system is electrified to act, the movable iron core 9 is attracted to act, the movable iron core 9 drives the limit cam 2 to rotate leftwards through the driving connecting rod 14, the movable guide rod 17 at the common side slides along the first curved surface 10 under the pushing of the reset spring, the distance between the first curved surface 10 and the tail part of the auxiliary switch at the common side 3 is gradually increased, the movable guide rod 16 at the standby side slides along the second curved surface 11, the distance between the second curved surface 11 and the tail part of the auxiliary switch at the standby side 4 is gradually reduced, the movable contact of the auxiliary switch is fixed on the movable guide rod, the static contact is fixed inside the auxiliary switch, and the normally open and normally closed point of the auxiliary switch is changed by the sliding of the movable guide rod; when the limit cam 2 rotates to the middle dead point position of the switch, the contact of the auxiliary switch 3 on the common side is changed from a normally closed point to a normally open point, so that the control loop is powered off, the magnetic system is powered off simultaneously, the movable iron core 9 is released, the movable iron core 9 continues to drive the limit cam 2 to rotate leftwards under the inertia effect, the stop rotation is carried out after the limit cam 2 rotates leftwards to the end, the standby power supply side is switched on at the moment, and the switch is switched to the working position of the standby power supply side from the working position of the common power supply side.
The switch is switched on at the standby power supply side, and the normally closed point of the standby auxiliary switch 4 is connected to the control loop; when the standby power supply side power supply is normal, the change-over switch does not operate and keeps the original state, and at the moment, the magnetic system does not operate. When the remote control system detects that the working power supply at the standby side has abnormal change and exceeds the set value range of the technical requirement, the remote control system sends a switching instruction, the magnetic system is electrified to act, the movable iron core 9 is attracted to act, the movable iron core 9 drives the limit cam 2 to rotate rightwards through the driving connecting rod 14, the movable guide rod 16 at the standby side slides along the second curved surface 11 under the pushing of the reset spring, the distance between the second curved surface 11 and the tail part of the auxiliary switch at the standby side 4 is gradually increased, the movable guide rod 17 at the common side slides along the first curved surface 10, the distance between the first curved surface 10 and the tail part of the auxiliary switch at the common side 3 is gradually reduced, the movable contact of the auxiliary switch is fixed on the movable guide rod, the static contact is fixed inside the auxiliary switch, and the normally open and normally closed point of the auxiliary switch is changed by the sliding of the movable guide rod; when the limit cam 2 rotates to the middle dead point position of the switch, the auxiliary switch contact at the standby side is changed from a normally closed point to a normally open point, so that the control loop is powered off, the magnetic system is powered off simultaneously, the movable iron core 9 is released, the movable iron core 9 continues to drive the limit cam 2 to rotate rightwards under the inertia effect until the right hand reaches the bottom, the stop is carried out, the common power supply side of the switch is switched on, and the switch is switched to the working position of the common power supply side from the working position of the standby power supply side.
The invention adopts a magnetic system to realize the switching requirement of the common power supply and the standby power supply of the automatic transfer switch, needs few parts, greatly reduces the production cost of products, increases the reliability and the safety of the products, and is energy-saving and environment-friendly.

Claims (4)

1. An energy-saving conversion device of a switching device is characterized in that: the mounting plate comprises a mounting plate (1) formed by stamping, the mounting plate (1) comprises a front vertical plate (13), a left wing plate (7) and a right wing plate (15) which are perpendicular to each other with the front vertical plate (13), a limiting shaft (6) penetrates through the left wing plate (7), the axis of a limiting cam (2) and the right wing plate (15), the limiting cam (2) is positioned between the left wing plate (7) and the right wing plate (15), the limiting cam (2) comprises a first curved surface (10) and a second curved surface (11), the first curved surface (10) is abutted to the tail end of a common side sliding guide rod (17) arranged at the tail of the common side auxiliary switch (3), the front part of the common side sliding guide rod (17) is arranged inside the side wall of the common side auxiliary switch (3), and a reset spring is arranged at the joint; the second curved surface (11) is abutted against the tail end of a standby side sliding guide rod (16) arranged at the tail part of the standby side auxiliary switch (4), the front part of the standby side sliding guide rod (16) is arranged in the side wall of the standby side auxiliary switch (4), and a return spring is arranged at the joint; the common side auxiliary switch (3) and the standby side auxiliary switch (4) are arranged at the front end of the left side wing plate (7) side by side through an adjusting screw (5); one side of the first curved surface (10) is connected with the front end of a movable iron core (9) through a driving connecting rod (14), the rear end of the movable iron core (9) penetrates through a positioning hole (8) in the center of a front vertical plate (13) and then extends to the outer side of the mounting plate (1), the movable iron core (9), the driving connecting rod (14) and a limiting cam (2) form a transmission connecting rod mechanism, the movable iron core (9) is mounted in a magnetic system, the magnetic system is connected with a remote control system, the movable iron core (9) is attracted or disconnected under the action of magnetic force in the magnetic system to drive the limiting cam (2) to rotate, so that the first curved surface (10) and a common side sliding guide rod (17) are driven to move relatively, the second curved surface (11) and a standby side sliding guide rod (16) move relatively, and the conversion of the working positions of a common side auxiliary switch (3) and a standby side auxiliary switch (4) is realized.
2. The energy-saving switching device of switching apparatus according to claim 1, wherein: the first curved surface (10) and the second curved surface (11) are the same in shape and respectively comprise three arc-shaped surfaces which are connected end to end, and the three arc-shaped surfaces of the first curved surface (10) and the second curved surface (11) are arranged in a staggered mode after rotating for 30-35 degrees relative to each other by taking the axis of the limiting cam (2) as a rotating point.
3. The energy-saving switching device of switching apparatus according to claim 1 or 2, wherein: and a connecting rod mounting hole (12) is formed in one side of the first curved surface (10), one end of a front-end short rod of the driving connecting rod (14) penetrates through the connecting rod mounting hole (12), the rear end part of the front-end short rod of the driving connecting rod (14) is fixed by a check ring, and one end of a rear-end short rod of the driving connecting rod (14) is embedded in a connecting hole in the front end of the movable iron core (9).
4. The energy-saving switching device of switching apparatus according to claim 4, wherein: the other end of the front end short rod and the other end of the rear end short rod of the driving connecting rod (14) are smoothly connected through a cross rod.
CN202111247809.0A 2021-10-26 2021-10-26 Energy-saving conversion device of switch electric appliance Active CN114038694B (en)

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CN114038694B CN114038694B (en) 2023-06-16

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CN115811124A (en) * 2023-02-03 2023-03-17 安徽明德源能科技有限责任公司 UPS automatic switching method and system

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