Double-control double-power-supply automatic change-over switch

Abstract

The utility model discloses a double-control double-power-supply automatic change-over switch which comprises a bottom plate, a fixing screw is installed at the top end of the bottom plate, an electromagnet is installed on one side of a guide rod, and a spring is movably connected to the outer side of the guide rod. According to the utility model, the first power supply block is installed inside the shell, when the power supply connected with the first power supply block supplies power, the first power supply block is electrified and drives the electromagnet to generate magnetic force, the magnetic force of the electromagnet drives the conductive plate to move along the guide rod, and the conductive plate is electrified and supplies power to the device when the conductive plate moves to contact with the first power supply block; when a power source connected with the first power source block goes wrong, the first power source block is not electrified any more, the electromagnet loses magnetic force, the conductive plate resets due to elasticity of the spring, the conductive plate makes contact with the second power source block, and the second power source block enables the conductive plate to be electrified to supply power to the device. Therefore, the purpose that the double-control double-power-supply automatic change-over switch is convenient to switch the power supplies is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a double-control double-power automatic switching switch. Background Art

[0002] Power equipment mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment mainly includes power station boilers, steam turbines, gas turbines, water turbines, generators, transformers, etc. Power supply equipment mainly includes transmission lines of various voltage levels, mutual inductors, contactors, etc. The word switch is interpreted as opening and closing. It also refers to an electronic component that can open a circuit, interrupt the current or make it flow to other circuits. The most common switch is a human-operated electromechanical device with one or more electronic contacts. The "closed" contact means that the electronic contact is turned on, allowing current to flow through. The "open circuit" of the switch means that the electronic contact is not turned on, forming an open circuit, and current is not allowed to flow through.

[0003] To this end, China's patent application number is CN208433324U, which discloses that the utility model belongs to the electrical field and specifically relates to a switch. A switch in the utility model includes a housing, a slide and a spring. The housing includes a bottom plate and an upper cover. A first guide rod and a second guide rod are provided on the bottom plate. The upper parts of the first guide rod and the second guide rod are connected to the upper cover. The upper cover is provided with an upper conductive sheet on the right side of the second guide rod. The second guide rod is square. The lower part of the first guide rod is a cylindrical structure and the upper part is a square limit block. The width of the square limit block is greater than the diameter of the cylindrical structure. A second guide groove on the right side and a third guide groove on the left side are provided in the middle of the slide. A lower conductive sheet is provided between the second guide groove and the third guide groove. A sliding rod is provided on the right side of the slide. Avoid misoperation and easy to use.

[0004] The width of the square limit block in the prior art is greater than the diameter of the cylindrical structure, a second guide groove on the right and a third guide groove on the left are provided in the middle of the slide, a lower conductive sheet is provided between the second guide groove and the third guide groove, and a sliding rod is provided on the right of the slide. It avoids misoperation and is easy to use, but 1. It is difficult to switch the power supply with a dual-control dual-power automatic switching switch. When the switch is in use, there is usually only one power supply. When the power supply fails, it will affect the use of the device.

[0005] 2. It is difficult to protect the dual-control dual-power automatic switching switch. The switch may be accidentally touched when in use, and it is difficult to align for protection. Accidental touch of the device will affect the working effect of the device. Utility Model Content

[0006] The utility model aims to provide a double-control double-power automatic switching switch to solve the defects of the existing double-control double-power automatic switching switch that is difficult to switch the power supply and difficult to protect the switch.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a dual-control dual-power automatic switching switch, comprising a bottom plate;

[0008] A fixing screw is installed at the top of the bottom plate, and a housing structure is installed at the top of the bottom plate, and the housing structure includes a shell, a switch button and a switching structure;

[0009] The housing is mounted on the top of the bottom plate, a switch button is mounted on the top of the housing, a protective structure is mounted on the top of the housing, plug blocks are mounted on both sides of the housing, a power line is mounted on one side of the plug block, and a switching structure is mounted inside the housing;

[0010] The switching structure includes a first power block, a second power block, a guide rod, a spring, a conductive plate and an electromagnet. The first power block is arranged on one side of the shell, and the second power block is arranged on the other side of the shell. The guide rod is installed at both ends of the shell, a conductive plate is installed on the outer side of the guide rod, an electromagnet is installed on one side of the guide rod, and a spring is movably connected to the outer side of the guide rod.

[0011] When in use, first the first power block and the second power block can be connected to different power sources respectively. When the power source connected to the first power block supplies power, the first power block is energized, which will drive the electromagnet to generate magnetic force. The magnetic force of the electromagnet will drive the conductive plate to move along the guide rod. When the conductive plate moves and contacts the first power block, the conductive plate will be energized to supply power to the device. When there is a problem with the power source connected to the first power block, the first power block is no longer energized, the electromagnet will lose its magnetic force, the conductive plate will reset due to the elasticity of the spring, and the conductive plate will contact the second power block. The second power block will energize the conductive plate to supply power to the device.

[0012] Preferably, the spring is in a spiral shape, the spring and the conductive plate form an elastic connection, and the spring is elastic.

[0013] Preferably, positioning structures are installed on both sides of the plug block, and the positioning structures include baffles, rotating shafts and buckles. The baffles are installed on both sides of the plug block, and the rotating shafts are installed on the inner sides of the baffles. The plug block and the power cord form a snap-fit ​​structure, and the power cord can be inserted into the plug block. After the power cord is inserted into the plug block, the rotating shaft on the inner side of the baffle can rotate, and the rotation of the rotating shaft can drive the buckle to clamp on the power cord, thereby fixing the power cord and preventing the power cord from falling off.

[0014] Preferably, a buckle is installed on one side of the rotating shaft, and the buckles are symmetrically distributed about the central axis of the plug block, and the buckle can fix the power cord.

[0015] Preferably, a clamping block is installed on one side of the power cord, and a clamping slot is installed on one side of the plug-in block. The power cord and the plug-in block form a clamping structure, and the clamping structure is easy to disassemble.

[0016] Preferably, the outer side wall of the fixing screw is evenly provided with external threads, the inner side wall of the base plate is evenly provided with internal threads that cooperate with the external threads, the fixing screw is threadedly connected to the base plate, and the fixing screw can fix the device.

[0017] Preferably, the protective structure includes a mounting plate, a rotating shaft, a connecting rod, a protective plate and a press plate, the mounting plate is mounted on the top of the shell, a connecting rod is mounted on one side of the mounting plate, and a protective plate is mounted on one side of the connecting rod, and a press plate is mounted on the top of the protective plate, the rotating shaft inside the mounting plate can be rotated to drive the protective plate to rotate via the connecting rod, and the protective plate will cover the surface of the switch button when the switch button is not in use to protect the switch button and prevent the switch button from being accidentally touched, and when in use, the protective plate can be opened to use the switch button, and the press plate can make the protective plate easier to rotate.

[0018] The double-control double-power automatic switching switch provided by the utility model has the advantages that: by installing a first power block inside the shell, the first power block and the second power block can be connected to different power supplies respectively, when the power supply connected to the first power block supplies power, the first power block is energized, which will drive the electromagnet to generate magnetic force, and the magnetic force of the electromagnet will drive the conductive plate to move along the guide rod, and the conductive plate will be energized when it moves and contacts the first power block to supply power to the device, and when the power supply connected to the first power block has a problem, the first power block is no longer energized, the electromagnet will lose its magnetic force, the conductive plate will reset due to the elasticity of the spring, and the conductive plate will contact the second power block, and the second power block will energize the conductive plate to supply power to the device, thereby achieving the purpose of the double-control double-power automatic switching switch facilitating power switching.

[0019] By installing a mounting plate on the top of the shell, the rotating shaft inside the mounting plate can be rotated to drive the protective plate to rotate through the connecting rod. When the switch button is not in use, the protective plate will cover the surface of the switch button to protect the switch button and prevent the switch button from being accidentally touched. When in use, the protective plate can be opened to use the switch button. Pressing the plate can make the protective plate easier to rotate, thereby achieving the purpose of the dual-control dual-power automatic switching switch to facilitate the protection of the switch button. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0022] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the protective structure of the utility model;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the positioning structure of the utility model.

[0025] Explanation of the reference numerals in the figure: 1. Shell structure; 101. Shell; 102. Switch button; 103. Switching structure; 1031. First power block; 1032. Second power block; 1033. Guide rod; 1034. Spring; 1035. Conductive plate; 1036. Electromagnet; 2. Bottom plate; 3. Insert block; 4. Power cord; 5. Positioning structure; 501. Baffle; 502. Rotating shaft; 503. Buckle; 6. Fixing screw; 7. Protective structure; 701. Mounting plate; 702. Rotating shaft; 703. Connecting rod; 704. Protective plate; 705. Press plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5 The utility model provides an embodiment: a dual-control dual-power automatic switching switch, including a base plate 2.

[0028] A fixing screw 6 is installed at the top of the bottom plate 2. External threads are evenly arranged on the outer wall of the fixing screw 6. Internal threads that cooperate with the external threads are evenly arranged on the inner wall of the bottom plate 2. The fixing screw 6 and the bottom plate 2 are threadedly connected.

[0029] A housing structure 1 is installed on the top of the bottom plate 2 , and the housing structure 1 includes a shell 101 , a switch button 102 and a switching structure 103 .

[0030] The shell 101 is installed on the top of the base plate 2, and a switch button 102 is installed on the top of the shell 101. A protective structure 7 is installed on the top of the shell 101. The protective structure 7 includes a mounting plate 701, a rotating shaft 702, a connecting rod 703, a protective plate 704 and a pressing plate 705. The mounting plate 701 is installed on the top of the shell 101, a connecting rod 703 is installed on one side of the mounting plate 701, and a protective plate 704 is installed on one side of the connecting rod 703, and a pressing plate 705 is installed on the top of the protective plate 704.

[0031] Refer to the attached Figure 1 and attached Figure 3-4 As shown, the rotating shaft 702 on the inner side of the mounting plate 701 can be rotated to drive the protective plate 704 to rotate through the connecting rod 703. When the switch button 102 is not in use, the protective plate 704 will cover the surface of the switch button 102 to protect the switch button 102 and prevent the switch button 102 from being accidentally touched. When in use, the protective plate 704 can be opened to use the switch button 102, and the pressing plate 705 can make the protective plate 704 easier to rotate.

[0032] Insert blocks 3 are installed on both sides of the housing 101, and positioning structures 5 are installed on both sides of the insert blocks 3. The positioning structure 5 includes a baffle 501, a rotating shaft 502 and a buckle 503. The baffle 501 is installed on both sides of the insert block 3, and the rotating shaft 502 is installed on the inner side of the baffle 501. The buckle 503 is installed on one side of the rotating shaft 502, and the buckle 503 is symmetrically distributed about the central axis of the insert block 3.

[0033] Refer to the attached Figure 1-3 and attached Figure 5 As shown, the plug block 3 and the power cord 4 form a snap-fit ​​structure, and the power cord 4 can be inserted into the plug block 3. After the power cord 4 is inserted into the plug block 3, the rotating shaft 502 inside the baffle 501 can rotate. The rotation of the rotating shaft 502 can drive the buckle 503 to be stuck on the power cord 4, thereby fixing the power cord 4 and preventing the power cord 4 from falling off.

[0034] A power cord 4 is installed on one side of the plug block 3, a card block is installed on one side of the power cord 4, a card slot is installed on one side of the plug block 3, and the power cord 4 and the plug block 3 form a card-fitting structure.

[0035] A switching structure 103 is installed inside the shell 101, and the switching structure 103 includes a first power block 1031, a second power block 1032, a guide rod 1033, a spring 1034, a conductive plate 1035 and an electromagnet 1036. The first power block 1031 is arranged on one side of the shell 101, and the second power block 1032 is arranged on the other side of the shell 101. The guide rod 1033 is installed at both ends of the shell 101, and a conductive plate 1035 is installed on the outer side of the guide rod 1033. An electromagnet 1036 is installed on one side of the guide rod 1033. A spring 1034 is movably connected to the outer side of the guide rod 1033. The spring 1034 is spiral in shape, and the spring 1034 and the conductive plate 1035 form an elastic connection.

[0036] Refer to the attached Figure 2 As shown, the first power block 1031 and the second power block 1032 can be connected to different power sources respectively. When the power source connected to the first power block 1031 supplies power, the first power block 1031 is energized, which will drive the electromagnet 1036 to generate magnetic force. The magnetic force of the electromagnet 1036 will drive the conductive plate 1035 to move along the guide rod 1033. When the conductive plate 1035 moves and contacts the first power block 1031, the conductive plate 1035 will be energized to power the device. When the power source connected to the first power block 1031 has a problem, the first power block 1031 is no longer energized, the electromagnet 1036 will lose its magnetic force, the conductive plate 1035 will be reset due to the elasticity of the spring 1034, and the conductive plate 1035 will contact the second power block 1032. The second power block 1032 will energize the conductive plate 1035 to power the device.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dual-control dual-power automatic switching switch, comprising a bottom plate (2); Features: A fixing screw (6) is installed at the top of the bottom plate (2), a housing structure (1) is installed at the top of the bottom plate (2), and the housing structure (1) comprises a shell (101), a switch button (102) and a switching structure (103); The housing (101) is mounted on the top of the bottom plate (2); a switch button (102) is mounted on the top of the housing (101); a protective structure (7) is mounted on the top of the housing (101); plug blocks (3) are mounted on both sides of the housing (101); a power cord (4) is mounted on one side of the plug block (3); and a switching structure (103) is mounted inside the housing (101); The switching structure (103) comprises a first power block (1031), a second power block (1032), a guide rod (1033), a spring (1034), a conductive plate (1035) and an electromagnet (1036); the first power block (1031) is arranged on one side of the interior of the housing (101); the second power block (1032) is arranged on the other side of the interior of the housing (101); the guide rod (1033) is installed at both ends of the interior of the housing (101); the conductive plate (1035) is installed on the outer side of the guide rod (1033); the electromagnet (1036) is installed on one side of the guide rod (1033); and the spring (1034) is movably connected to the outer side of the guide rod (1033).

2. A dual-control dual-power automatic switching switch according to claim 1, characterized in that: The spring (1034) is in a spiral shape, and the spring (1034) and the conductive plate (1035) form an elastic connection.

3. The dual-control dual-power automatic switching switch according to claim 1, characterized in that: Positioning structures (5) are installed on both sides of the insert block (3), and the positioning structure (5) comprises a baffle (501), a rotating shaft (502) and a buckle (503). The baffle (501) is installed on both sides of the insert block (3), and the rotating shaft (502) is installed on the inner side of the baffle (501).

4. A dual-control dual-power automatic switching switch according to claim 3, characterized in that: A buckle (503) is installed on one side of the rotating shaft (502), and the buckles (503) are symmetrically distributed about the central axis of the insert block (3).

5. The dual-control dual-power automatic switching switch according to claim 1, characterized in that: A card block is installed on one side of the power cord (4), and a card slot is installed on one side of the plug block (3); the power cord (4) and the plug block (3) form a card-fitting structure.

6. The dual-control dual-power automatic switching switch according to claim 1, characterized in that: External threads are evenly arranged on the outer wall of the fixing screw (6), and internal threads matching the external threads are evenly arranged on the inner wall of the base plate (2). The fixing screw (6) and the base plate (2) are connected by threads.

7. The dual-control dual-power automatic switching switch according to claim 1, characterized in that: The protective structure (7) comprises a mounting plate (701), a rotating shaft (702), a connecting rod (703), a protective plate (704) and a pressing plate (705); the mounting plate (701) is mounted on the top of the housing (101); a connecting rod (703) is mounted on one side of the mounting plate (701); a protective plate (704) is mounted on one side of the connecting rod (703); and a pressing plate (705) is mounted on the top of the protective plate (704).

Images