CN114038694B - Energy-saving conversion device of switch electric appliance - Google Patents
Energy-saving conversion device of switch electric appliance Download PDFInfo
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- CN114038694B CN114038694B CN202111247809.0A CN202111247809A CN114038694B CN 114038694 B CN114038694 B CN 114038694B CN 202111247809 A CN202111247809 A CN 202111247809A CN 114038694 B CN114038694 B CN 114038694B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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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
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
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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
- H02J9/06—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 with automatic change-over, e.g. UPS systems
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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)
- 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 a mounting plate, wherein a limit cam is assembled in the mounting plate through a limit shaft, a first curved surface of the limit cam is in contact with 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 in contact with 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 a driving connecting rod, the movable iron core is arranged in the magnetic system, and the movable iron core is attracted or disconnected in the magnetic system under the action of magnetic force to drive the limit cam to rotate, so that the conversion of working positions of the auxiliary switch on the common side and the auxiliary switch on the standby side is realized. 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, has fewer required 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
Technical Field
The invention relates to the technical field of switching equipment, in particular to an energy-saving conversion device of switching equipment, which utilizes a set of magnetic system to realize conversion of a plurality of positions of an automatic conversion switch.
Background
Along with the development of social economy, the switching device is widely applied to power distribution systems in the fields of buildings, fire protection, communication, hospitals, finance, airports, subways, military, data centers and the like, and is used as conversion between two paths of power supplies so as to ensure uninterrupted power supply of important loads or allow short-time power failure to carry out maintenance, debugging and overhaul. Therefore, the product is required to be maintained and debugged very conveniently and safely, and the electricity continuity and the life safety of equipment maintenance personnel are ensured by overhauling. The original change-over switch uses two sets of magnetic system structures, acts on two sets of contact control of switch respectively, 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 simultaneously and overlap the phenomenon, and signal switch output inaccurate scheduling problem causes the controller to burn out or switch malfunction, reduces the power 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 a plurality of positions of an automatic conversion switch, avoids the phenomenon of overlapping of two paths of power supplies and improves the reliability of switching equipment.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an energy-conserving conversion equipment of switch electrical apparatus, including stamping forming's mounting panel, the mounting panel includes the front riser, with the left side pterygoid lamina and the right side pterygoid lamina of front riser mutually perpendicular, spacing axle runs through left side pterygoid lamina, the axle center of spacing cam and right side pterygoid lamina, spacing cam is located the centre of left side pterygoid lamina and right side pterygoid lamina, spacing cam includes first curved surface and second curved surface, first curved surface is inconsistent with the tail end of the ordinary side sliding guide arm of installing at ordinary side auxiliary switch afterbody, the front portion of ordinary side sliding guide arm is installed in the lateral wall of ordinary side auxiliary switch, reset spring is installed to the junction; the second curved surface is in contact with 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 reset 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 a driving connecting rod, the rear end of the movable iron core penetrates through a 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 arranged 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 to drive the limiting cam to rotate in the magnetic system, and then the first curved surface and the common side sliding guide rod are driven to move relatively, and the second curved surface and the standby side sliding guide rod move relatively to realize the conversion of working positions of the auxiliary switch on the common side and the auxiliary switch on the standby side.
Preferably, the first curved surface and the second curved surface have the same shape and all comprise three arc surfaces connected end to end, and the three arc surfaces are arranged in a staggered manner after the first curved surface and the second curved surface relatively rotate for 30-35 degrees by taking the axle center of the limit cam as a rotation point.
Preferably, a connecting rod mounting hole is formed in one side of the first curved surface, one end of a front end short rod of the driving connecting rod penetrates through the rear end part of the connecting rod mounting hole and is fixed through a check ring, and one end of the rear end short rod of the driving connecting rod is embedded in the connecting hole at 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 invention, the limit cam enables the automatic transfer switch to have three important switch state positions:
first switch state position: the position of the limit cam is a power supply position of the common power supply side of the automatic change-over switch, namely, after the first curved surface on the limit cam is matched with the auxiliary switch of the common side, an output signal provided for the control system is a switching-on signal of the common side, so that the change-over switch is ensured to be switched to the common power supply side to work normally;
second switch state position: the position of the limit cam which is left-handed to the bottom is the power supply position of the standby power supply side of the automatic change-over switch, namely, after the second curved surface on the limit cam is matched with the auxiliary switch on the standby side, the output signal provided for the control system is a switching-on signal on the standby power supply side, so that the change-over switch is ensured to be switched to the standby power supply side for normal operation;
third switch state position: for the position of limit cam dextrorotation or left-hand to middle dead point, this position automatic transfer switch is in the intermediate position, and two ways power are the work, and this position is the node that the signal output state of auxiliary switch of the side of using and auxiliary switch of reserve side changes simultaneously, and auxiliary switch of the side of using and auxiliary switch of reserve side remain the state that is opposite always, bring limit cam's inertia through the counter weight to the limit cam and make limit cam pass this position fast, and auxiliary switch of side of using and auxiliary switch of reserve side accomplish the replacement of working position fast, have guaranteed the reliable switching of two ways power, can not appear the phenomenon that the power overlaps simultaneously.
The working principle of the invention for switching the automatic transfer switch from one power supply to the other power supply 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 at the side of the common power supply is connected to the control loop; when the power supply at the side of the common power supply is normal, the change-over switch does not act, and the original state is kept, so that the magnetic system does not act; when the remote control system detects that the working power supply at the common side has abnormal change and exceeds the range of a set value required by the technology, the remote control system sends a power supply switching instruction, the magnetic system is electrically operated, the movable iron core is in attraction action, the movable iron core drives the limit cam to rotate leftwards through the driving connecting rod, the common side sliding guide rod 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 auxiliary side sliding guide rod 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 movable contact of the auxiliary switch is fixed on the sliding guide rod, the fixed contact is fixed in the auxiliary switch, and the normally-open point of the auxiliary switch is changed due to the sliding of the sliding guide rod; when the limit cam rotates to the middle dead point of the switch, the normally-closed point of the auxiliary switch contact at the common side is changed into the 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 leftwards under the inertia effect until the limit cam stops rotating after rotating leftwards to the bottom, at the moment, the standby power side is switched on, and the switch is switched from the working position at the common power side to the working position at the standby power side.
The switch is switched on at the side of the standby power supply, and the normally closed point of the auxiliary switch at the standby side is connected to the control loop; when the power supply of the standby power supply side is normal, the change-over switch does not act, and the original state is kept, and the magnetic system does not act. When the remote control system detects that the working power supply at the standby side has abnormal change and exceeds the range of a set value required by the technology, the remote control system sends a switching instruction, the magnetic system is electrically operated, the movable iron core is in attraction action, the movable iron core drives the limit cam to rotate rightwards through the driving connecting rod, the standby side sliding guide rod 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 common side sliding guide rod 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, the movable contact of the auxiliary switch is fixed on the sliding guide rod, the fixed contact is fixed in the auxiliary switch, and the normally-open normally-closed point of the auxiliary switch is changed due to the sliding of the sliding guide rod; when the limit cam rotates to the middle dead point of the switch, the auxiliary switch contact at the standby side is changed into a normally open point from a normally closed 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 action of inertia until the limit cam stops after the limit cam is right-handed to the bottom, the switch is switched on at the side of a common power supply of the switch, and the switch is switched from the working position at the side of the standby power supply to the working position at the side of the common power supply.
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, has fewer required parts, greatly reduces the production cost of products, increases the reliability and the safety of the products, and is energy-saving and environment-friendly.
In the invention, the limit cam is connected with the movable iron core through the driving connecting rod, the power for rotating the limit cam is provided by the movable iron core, the rotating angle and the final position state of the limit 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 movement track of the limit cam.
According to the invention, the common side auxiliary switch and the standby side auxiliary switch are arranged on the left side wing plate of the mounting plate through the adjusting screw, and the common side auxiliary switch and the standby side auxiliary switch can be finely adjusted through the adjusting screw, so that the two curved surfaces of the auxiliary switch and the limit cam are matched more reliably. The common side sliding guide rod arranged at the tail part of the common side auxiliary switch slides back and forth on the first curved surface of the limit cam, and the standby side sliding guide rod arranged at the tail part of the standby side auxiliary switch slides back and forth on the second curved surface of the limit cam, so that the working 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 auxiliary switch on the common side and the auxiliary switch on the standby side determines the reliability of switching between two paths of power supplies.
According to the invention, under the condition that the magnetic system fails or the power supply cannot be provided by power failure, the limit cam can be rotated by means of manual operation of a tool, and the limit cam can be rotated to different positions according to requirements, so that maintenance, debugging and overhaul are performed, and the method is convenient and quick.
Drawings
FIG. 1 is a right-hand structural schematic diagram of the present invention;
FIG. 2 is a left-hand structural schematic diagram of the present invention;
FIG. 3 is a schematic diagram of the auxiliary switch and limit cam of FIG. 1 engaged;
FIG. 4 is a schematic diagram of the connection of the limit cam, the core, the drive link and the auxiliary switch on the utility side of FIG. 1;
FIG. 5 is a schematic diagram of the connection of the limit cam, the core, the drive link and the backup side auxiliary switch of FIG. 1;
FIG. 6 is a schematic diagram of a limit cam;
FIG. 7 is a schematic view of a drive link;
FIG. 8 is a schematic structural view of a mounting plate;
FIG. 9 is a schematic diagram of a connection between a conventional side-sliding guide and a first curved surface;
in the figure: 1. a mounting plate; 2. a limit cam; 3. a common side auxiliary switch; 4. a standby side auxiliary switch; 5. an adjusting screw; 6. a limiting shaft; 7. a left side wing plate; 8. positioning holes; 9. a moving 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 side wing plate; 16. a standby side sliding guide rod; 17. side sliding guide rods are commonly used.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
The energy-saving conversion device of a switching device as shown in fig. 1 to 6 comprises a stamping-formed mounting plate 1, wherein the mounting plate 1 comprises a front vertical plate 13, a left wing plate 7 and a right wing plate 15 which are mutually perpendicular to the front vertical plate 13, a limiting shaft 6 penetrates through the left wing plate 7, the axle center 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 in contact with 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 in the side wall of the common side auxiliary switch 3, and a reset spring is arranged at the connecting part; the second curved surface 11 is in contact with 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 auxiliary switch 3 on the common side and the auxiliary switch 4 on the standby side are arranged at the front end of the left wing plate 7 side by side through the adjusting screw 5; one side of the first curved surface 10 is connected with the front end of the 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 the 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 the limit cam 2 form a transmission connecting rod mechanism, the movable iron core 9 is arranged 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 limit cam 2 to rotate, and then the first curved surface 10 and the common side sliding guide rod 17 are driven to move relatively, and the second curved surface 11 and the standby side sliding guide rod 16 move relatively, so that the conversion of working positions of the common side auxiliary switch 3 and the standby side auxiliary switch 4 is realized.
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 surfaces connected end to end, and the three arc surfaces of the first curved surface 10 and the second curved surface 11 are arranged in a staggered manner after relatively rotating by 30-35 degrees with the axis of the limit cam 2 as a rotation point.
As shown in fig. 4 and 5, 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 rear end of the connecting rod mounting hole 12 and is fixed by a retainer ring, and one end of the rear end short rod of the driving connecting rod 14 is embedded in a connecting hole at the front end of the movable iron core 9.
As shown in fig. 7, the other end of the front end stub and the other end of the rear end stub of the driving link 14 are smoothly connected by a cross bar.
The working principle of the invention for switching the automatic transfer switch from one power supply to the other power supply is as follows:
the switch is switched on at the side of a common power supply, and a normally closed point of the auxiliary switch 3 at the common side is connected to a control loop; when the power supply at the side of the common power supply is normal, the change-over switch does not act, and the original state is kept, so that the magnetic system does not act; when the remote control system detects that the working power supply at the common side has abnormal change and exceeds the range of a set value required by the technology, the remote control system sends a power supply switching instruction, the magnetic system is electrically operated, the movable iron core 9 is in attraction action, the movable iron core 9 drives the limit cam 2 to rotate leftwards through the driving connecting rod 14, the common side sliding guide rod 17 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 3 at the common side is gradually increased, the standby side sliding guide rod 16 slides along the second curved surface 11, the distance between the second curved surface 11 and the tail part of the auxiliary switch 4 at the standby side is gradually reduced, the movable contact of the auxiliary switch is fixed on the sliding guide rod, the fixed contact is fixed in the auxiliary switch, and the normally-open point of the auxiliary switch is changed due to the sliding of the sliding guide rod; when the limit cam 2 rotates to the middle dead point of the switch, the contact of the auxiliary switch 3 at the common side is changed into a normally open point from a normally closed point, so that the control circuit 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 action of inertia until the limit cam 2 stops rotating after rotating leftwards to the bottom, at the moment, the auxiliary switch is switched on at the standby power side, and the switch is switched from the working position at the common power side to the working position at the standby power side.
The switch is switched on at the side of the standby power supply, and the normally closed point of the auxiliary switch 4 at the standby side is connected to the control loop; when the power supply of the standby power supply side is normal, the change-over switch does not act, and the original state is kept, and the magnetic system does not act. When the remote control system detects that the standby side working power supply has abnormal change and exceeds the range of a set value required by the technology, the remote control system sends a switching instruction, the magnetic system is electrically operated, the movable iron core 9 is in attraction action, the movable iron core 9 drives the limit cam 2 to rotate rightwards through the driving connecting rod 14, the standby side sliding guide rod 16 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 standby side auxiliary switch 4 is gradually increased, the common side sliding guide rod 17 slides along the first curved surface 10, the distance between the first curved surface 10 and the tail part of the common side auxiliary switch 3 is gradually reduced, the movable contact of the auxiliary switch is fixed on the sliding guide rod, the fixed contact is fixed in the auxiliary switch, and the normally-open point of the auxiliary switch is changed due to the sliding of the sliding guide rod; when the limit cam 2 rotates to the middle dead point of the switch, the auxiliary switch contact at the standby side is changed into a normally open point from a normally closed point, so that the control circuit is powered off, the magnetic system is powered off simultaneously, the movable iron core 9 is released, the movable iron core 9 continuously drives the limit cam 2 to rotate rightwards under the inertia effect until the limit cam stops after the limit cam is rotated rightwards to the bottom, the switch is switched on at the side of the common power supply of the switch, and the switch is switched from the working position at the side of the standby power supply to the working position at the side of the common power supply.
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, has fewer required 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 (3)
1. An energy-saving conversion device of a switching electric appliance is characterized in that: the device comprises a stamping forming mounting plate (1), wherein the mounting plate (1) comprises a front vertical plate (13), a left side wing plate (7) and a right side wing plate (15) which are mutually perpendicular to the front vertical plate (13), a limiting shaft (6) penetrates through the left side wing plate (7), the axle center of a limiting cam (2) and the right side wing plate (15), the limiting cam (2) is positioned between the left side wing plate (7) and the right side 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 in contact with 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 in the side wall of the common side auxiliary switch (3), and a reset spring is arranged at the connecting part; the second curved surface (11) is in contact with 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 the adjusting screw (5); one side of a 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 a mounting plate (1), the movable iron core (9), the driving connecting rod (14) and a limit cam (2) form a transmission connecting rod mechanism, the movable iron core (9) is arranged 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 limit cam (2) to rotate, and then the first curved surface (10) and a common side sliding guide rod (17) are driven to move relatively, and the second curved surface (11) and a standby side sliding guide rod (16) move relatively, so that the working positions of the common side auxiliary switch (3) and the standby side auxiliary switch (4) are converted; the first curved surface (10) and the second curved surface (11) have the same shape and respectively comprise three arc surfaces which are connected end to end, and the three arc surfaces of the first curved surface (10) and the second curved surface (11) are arranged in a staggered manner after the axes of the limit cam (2) are used as rotation points to relatively rotate for 30-35 degrees;
in the energy-saving conversion device, the limit cam (2) enables the automatic conversion switch to have three important switch state positions: first switch state position: the limit cam (2) is rotated to the right to the bottom, and the position is the power supply position of the common power supply side of the automatic change-over switch, namely, after the first curved surface (10) on the limit cam (2) is matched with the auxiliary switch (3) on the common side, the output signal provided for the control system is a switching-on signal on the common power supply side, so that the change-over switch is ensured to be switched to the common power supply side to work normally; second switch state position: the position of the limit cam (2) is left-handed to the bottom, and the position is the power supply position of the standby power supply side of the automatic change-over switch, namely, after the second curved surface on the limit cam (2) is matched with the auxiliary switch (4) on the standby side, the output signal provided for the control system is a switching-on signal on the standby power supply side, so that the change-over switch is ensured to be switched to the standby power supply side for normal operation; third switch state position: the position of the limit cam (2) is in a right-hand or left-hand position to a middle dead point, the automatic change-over switch is positioned in a middle position, two paths of power supplies are all in operation, the position is a node for changing signal output states of the common side auxiliary switch (3) and the standby side auxiliary switch (4), the signal output states of the common side auxiliary switch (3) and the standby side auxiliary switch (4) are always kept in opposite states, the limit cam (2) is enabled to pass through the position quickly through inertia of the limit cam (2) brought by a counterweight, the replacement of the working position is completed quickly by the common side auxiliary switch (3) and the standby side auxiliary switch (4), reliable switching of the two paths of power supplies is guaranteed, and meanwhile, the phenomenon of power supply overlapping cannot occur.
2. The energy-saving conversion device of a switching device according to claim 1, wherein: one side of the first curved surface (10) is provided with a connecting rod mounting hole (12), one end of a front end short rod of the driving connecting rod (14) penetrates through the rear end part of the connecting rod mounting hole (12) and is fixed by a check ring, and one end of the rear end short rod of the driving connecting rod (14) is embedded in a connecting hole at the front end of the movable iron core (9).
3. The energy-saving switching device of a switching device according to claim 1 or 2, characterized in that: 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 in smooth connection through a cross rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247809.0A CN114038694B (en) | 2021-10-26 | 2021-10-26 | Energy-saving conversion device of switch electric appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247809.0A CN114038694B (en) | 2021-10-26 | 2021-10-26 | Energy-saving conversion device of switch electric appliance |
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| CN114038694A CN114038694A (en) | 2022-02-11 |
| CN114038694B true CN114038694B (en) | 2023-06-16 |
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| CN115811124B (en) * | 2023-02-03 | 2023-04-14 | 安徽明德源能科技有限责任公司 | UPS automatic switching method and system |
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|---|---|---|---|---|
| CN100545971C (en) * | 2006-08-18 | 2009-09-30 | 宁波奇乐电器实业总公司 | Automatic transfer switching electric appliance |
| CN102426944B (en) * | 2011-11-10 | 2013-11-27 | 上海方同电气科技发展有限公司 | Change-over switch electrical appliance |
| CN211149871U (en) * | 2019-01-29 | 2020-07-31 | 天水师范学院 | Electromagnetic induction experimental instrument |
| CN214378105U (en) * | 2021-01-06 | 2021-10-08 | 杭州之江开关股份有限公司 | Double-circuit power supply change-over switch device |
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2021
- 2021-10-26 CN CN202111247809.0A patent/CN114038694B/en active Active
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