An automatic transfer switching device

Abstract

The application relates to the technical field of switch electric appliances, in particular to an automatic transfer switch electric appliance, which comprises a shell, a transfer mechanism arranged in the shell, a detection mechanism arranged in the shell and at the back of the transfer mechanism, a protection plate rotationally connected to the top of the shell and at the corresponding position of the transfer mechanism, and a wiring terminal mounted on the front of the shell; the transfer mechanism comprises a rotating shaft rotationally connected in the shell, an insulating sleeve fixedly connected to the center of the outer wall of the rotating shaft, a conductive sheet fixedly connected to the outer wall of the insulating sleeve and in the shell, and a left connecting rod and a right connecting rod fixedly connected to the two sides of the rotating shaft in the shell; the automatic transfer switch electric appliance is designed, the transfer mechanism in the device is used for switching the main power supply and the standby power supply, and the problems that the current automatic transfer switch electric appliance is complex, large in size and high in switching operation difficulty are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch electric appliances, in particular to an automatic transfer switch electric appliance. BACKGROUND

[0002] With the development of economy and technology, especially in the production and life of important electrical equipment, double power supply design is usually adopted to ensure normal power supply when the normal power supply fails. In the prior art, a transfer switch is usually used to complete the automatic transfer of the load circuit between two power supplies.

[0003] The existing automatic transfer switch electric appliance, for example, Chinese patent publication No. CN108320931A, has a complicated internal structure, large size and high switching operation difficulty. SUMMARY

[0004] The present application aims to provide an automatic transfer switch electric appliance to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] An automatic transfer switch electric appliance comprises a shell, a transfer mechanism arranged inside the shell, a detection mechanism arranged inside the shell and at the back of the transfer mechanism, a protective plate rotatably connected to the top of the shell and at the corresponding position of the transfer mechanism, and a wiring terminal installed on the front of the shell.

[0007] The transfer mechanism comprises a rotating shaft rotatably connected inside the shell, an insulating sleeve fixedly connected to the center of the outer wall of the rotating shaft, a conductive sheet fixedly connected to the outer wall of the insulating sleeve and inside the shell, a left connecting rod and a right connecting rod fixedly connected to the two sides of the rotating shaft inside the shell, a terminal post fixedly connected to the outer wall of the left connecting rod and the right connecting rod and away from the insulating sleeve, a conductive silicone grease fixedly connected to the outer wall of the conductive sheet, an indicator plate fixedly connected to the top of the insulating sleeve, an adsorption plate fixedly connected to the two sides of the indicator plate, an outer magnet installed on the inner wall of the shell and at the corresponding position close to the adsorption plate, a drive gear on the outer wall of the rotating shaft and at the back of the insulating sleeve, a rack meshingly connected to the bottom of the drive gear, an inner magnet fixedly connected to the left end of the rack, an electromagnet fixedly connected to the inner wall of the shell and at the side close to the inner magnet, and a return spring fixedly connected to the right end of the rack.

[0008] The detection mechanism comprises a terminal block fixedly connected in the shell, a connecting rubber strip is arranged at the center of the inside of the terminal block, a detection sensor module is attached to the top of the connecting rubber strip, a pin shaft is rotatably connected in the shell above the terminal block, a clamping block is fixedly connected to the outer wall of the pin shaft above the detection sensor module, a volute spring is fixedly connected to the inside of the pin shaft below the clamping block, and a dust screen is fixedly connected to the top of the shell directly above the detection sensor module.

[0009] As a preferred scheme of the present application, the shell is made of ABS plastic, and the protective plate is made of transparent acrylic glass.

[0010] As a preferred scheme of the present application, the rotating shaft, the insulating sleeve and the indication plate are all made of ABS plastic, the conductive sheet, the left connecting rod and the right connecting rod are all made of red copper, and the adsorption plate is made of stainless steel.

[0011] As a preferred scheme of the present application, the indication plate penetrates through the shell and extends out of the shell, a silica gel strip is fixedly connected to the top of the inner wall of the shell on both sides of the indication plate, and the length of the silica gel strip is adapted to the width of the indication plate.

[0012] As a preferred scheme of the present application, the directions of the magnetic field of the inner magnet and the magnetic field of the electromagnet are opposite, the reset spring is provided in multiple groups, and the reset spring is fixedly connected to the shell.

[0013] As a preferred scheme of the present application, the terminal post penetrates through the shell and extends out of the shell, the rack is slidably connected to the shell, the conductive sheet is provided in two groups, and the conductive sheets are electrically connected together by wires.

[0014] As a preferred scheme of the present application, the terminal block is made of red copper, the detection sensor module is any one of a current sensor or a voltage sensor, and the clamping block and the pin shaft are made of ABS plastic.

[0015] As a preferred scheme of the present application, the connecting rubber strip is made of pressure-sensitive adhesive, the volute spring is fixedly connected to the shell, and the terminal block is electrically connected together with the electromagnet and the left connecting rod by wires.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1、The automatic transfer switch of the application, the main power and the standby power are switched by the switching mechanism in the device, the worker connects the terminal on the left connecting rod with the main power by wire, then connects the terminal on the right connecting rod with the standby power by wire, and then connects the terminal with the working circuit by wire, the worker lifts the protective plate and turns the indicating plate, the indicating plate drives the rotating shaft to rotate to the right, the conductive sheet is pushed to the seat connecting rod position, the conductive sheet contacts the left connecting rod, the current of the main power flows into the working circuit through the left connecting rod, the conductive sheet and the terminal, when the main power fails, the detection sensor module cannot detect the current on the left connecting rod, the detection sensor module inputs the induced current into the electromagnet, the electromagnet generates a magnetic field, the magnetic field generated by the electromagnet is opposite to the magnetic field of the inner magnet, the inner magnet is driven to move to the right under the action of the magnetic field, the rack drives the rotating shaft to rotate in the opposite direction through the driving gear, the rotating shaft drives the indicating plate and the conductive sheet to rotate in the opposite direction, the conductive sheet is separated from the left connecting rod and contacts the right connecting rod, the current of the standby circuit flows into the working circuit through the right connecting rod, the conductive sheet and the terminal, the switching of the main power and the standby power can be realized, the detection sensor module is used for detection, the electromagnet, the rack, the driving gear and the conductive sheet are used to realize the switching of the power supply, the structure is very simple, the device is small in size, and the problems of the existing automatic transfer switch, such as complexity, large size and high switching difficulty, are solved.

[0018] 2、The connecting rubber strip is arranged, which can facilitate the worker to disassemble, overhaul and detect the detection sensor module. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the application;

[0020] Figure 2 It is a front view of the conductive plate of the application;

[0021] Figure 3 It is a front view of the driving gear of the application;

[0022] Figure 4 It is a front view of the detection mechanism of the application;

[0023] Figure 5 It is a three-dimensional structure diagram of the rotating shaft of the application.

[0024] In the figure: 1, the shell; 2, conversion mechanism; 3, detection mechanism; 4, protective plate; 5, terminal; 201, rotating shaft; 202, insulating sleeve; 203, conductive sheet; 204, left connecting rod; 205, right connecting rod; 206, terminal post; 207, conductive silicone grease; 208, indicator plate; 209, adsorption plate; 210, outer magnet; 211, drive gear; 212, rack; 213, inner magnet; 214, electromagnet; 25, return spring; 301, terminal plate; 302, connecting rubber strip; 303, detection sensor module; 304, pin shaft; 305, clamping block; 306, volute spring; 307, dust screen. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0026] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are used for illustration only and do not limit the present application.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0029] Embodiments, please see Figures 1-5 The present application provides a technical solution:

[0030] The utility model relates to an automatic transfer switch, which comprises a shell 1, the inside of the shell 1 is provided with a transfer mechanism 2, the inside of the shell 1 and the back of the transfer mechanism 2 are provided with a detection mechanism 3, the top of the shell 1 and the corresponding position of the transfer mechanism 2 are rotatably connected with a protective plate 4, the front of the shell 1 is provided with a wiring terminal 5, the shell 1 is made of ABS plastic, and the protective plate 4 is made of transparent acrylic glass.

[0031] In this embodiment, reference is made to Figure 2 、 Figure 3 and Figure 5The conversion mechanism 2 comprises a rotating shaft 201 rotatably connected inside the shell 1, an insulating sleeve 202 fixedly connected to the center of the outer wall of the rotating shaft 201, a conductive sheet 203 fixedly connected to the outer wall of the insulating sleeve 202 and inside the shell 1, a left connecting rod 204 and a right connecting rod 205 fixedly connected to the two sides of the rotating shaft 201 and inside the shell 1, a terminal post 206 fixedly connected to the outer wall of the left connecting rod 204 and the right connecting rod 205 and away from the insulating sleeve 202, a conductive silicone grease 207 fixedly connected to the outer wall of the conductive sheet 203, an indicator plate 208 fixedly connected to the top of the insulating sleeve 202, an adsorption plate 209 fixedly connected to the two sides of the indicator plate 208, an outer magnet 210 installed on the inner wall of the shell 1 and at a position corresponding to the adsorption plate 209, a driving gear 211 on the outer wall of the rotating shaft 201 and at the back of the insulating sleeve 202, a rack 212 meshingly connected to the bottom of the driving gear 211, an inner magnet 213 fixedly connected to the left end of the rack 212, an electromagnet 214 fixedly connected to the inner wall of the shell 1 and at a position corresponding to the inner magnet 213, a return spring 215 fixedly connected to the right end of the rack 212, and a working circuit connected to the terminal post 5 through a wire, the terminal post 206 on the left connecting rod 204 is connected to the main power supply through a wire, the terminal post 206 on the right connecting rod 205 is connected to the standby power supply through a wire, and the worker lifts the protective plate 4 and rotates the indicator plate 208, so that the indicator plate 208 drives the rotating shaft 201 to rotate to the right through the insulating sleeve 202, the rotating shaft 201 pushes the conductive sheet 203 at the bottom of the insulating sleeve 202 to the position of the left connecting rod 204, the conductive sheet 203 contacts the left connecting rod 204, the rotating shaft 201 drives the rack 212 to move to the left through the driving gear 211, the rack 212 drives the inner magnet 213 to approach the electromagnet 214, the current of the main power supply flows into the working circuit through the left connecting rod 204, the conductive sheet 203 and the terminal post 5, when the main power supply fails, the detection sensor module 303 cannot detect the current on the left connecting rod 204, the detection sensor module 303 inputs an induced current into the electromagnet 214, the electromagnet 214 generates a magnetic field, the magnetic field generated by the electromagnet 214 is opposite to the magnetic field of the inner magnet 213, the inner magnet 213 drives the rack 212 to move to the right under the action of the magnetic field, the rack 212 drives the rotating shaft 201 to rotate reversely through the driving gear 211, the rotating shaft 201 drives the indicator plate 208 and the conductive sheet 203 to rotate reversely, the conductive sheet 203 separates from the left connecting rod 204 and contacts the right connecting rod 205, the current of the standby circuit flows into the working circuit through the right connecting rod 205, the conductive sheet 203 and the terminal post 5, and the switching between the main power supply and the standby power supply is realized.

[0032] The rotating shaft 201, the insulating sleeve 202 and the indicating plate 208 are all made of ABS plastic, the conductive sheet 203, the left connecting rod 204 and the right connecting rod 205 are all made of red copper, the adsorbing plate 209 is made of stainless steel, the indicating plate 208 penetrates through the shell 1 and extends out of the shell 1, the top of the inner wall of the shell 1 and on the two sides of the indicating plate 208 are fixedly connected with silica gel strips, the length of the silica gel strips is adapted to the width of the indicating plate 208, the directions of the magnetic fields of the inner magnet 213 and the electromagnet 214 are opposite, the reset springs 215 are provided in multiple groups, the reset springs 215 are fixedly connected with the shell 1, the binding posts 206 penetrate through and extend out of the shell 1, the connecting mode of the rack 212 and the shell 1 is sliding connection, the conductive sheet 203 is provided in two groups, and the conductive sheet 203 is electrically connected together with the terminal 5 through wires;

[0033] In this embodiment, referring to Figure 1 and Figure 4 The detection mechanism 3 comprises a wiring board 301 fixedly connected inside the shell 1, a connecting rubber strip 302 is installed at the inner center of the wiring board 301, the top of the connecting rubber strip 302 is bonded with a detection sensor module 303, a pin shaft 304 is rotationally connected inside the shell 1 and above the wiring board 301, a clamping block 305 is fixedly connected to the outer wall of the pin shaft 304 and above the detection sensor module 303, a volute spring 306 is fixedly connected to the inner of the pin shaft 304 and below the clamping block 305, and a dust screen 307 is fixedly connected to the top of the shell 1 and directly above the detection sensor module 303;

[0034] The wiring board 301 is made of red copper, the detection sensor module 303 is any one of a current sensor or a voltage sensor, the clamping block 305 and the pin shaft 304 are made of ABS plastic, the connecting adhesive tape 302 is made of pressure-sensitive adhesive, the connection between the volute spring 306 and the shell 1 is fixed connection, the wiring board 301 and the electromagnet 214 and the wiring board 301 and the left connecting rod 204 are electrically connected through wires, when the current of the main power supply flows into the working circuit through the left connecting rod 204, the conductive sheet 203 and the wiring terminal 5, the detection sensor module 303 detects that there is current flowing through the left connecting rod 204, the detection sensor module 303 does not input induced current into the electromagnet 214, when the main power supply fails, the detection sensor module 303 cannot detect the current on the left connecting rod 204, and the detection sensor module 303 inputs induced current into the electromagnet 214, when the detection sensor module 303 needs to be repaired, the worker removes the dustproof net 307, rotates the pin shaft 304, the pin shaft 304 drives the clamping block 305 to rotate inward, the clamping block 305 enters the shell 1, the clamping block 305 does not press the detection sensor module 303, the worker removes the detection sensor module 303 and repairs it, after the repair is completed, the worker places the detection sensor module 303 on the top of the wiring board 301 again, the connecting adhesive tape 302 adheres the detection sensor module 303, the wiring pin of the detection sensor module 303 is in contact with the wiring board 301, the pin shaft 304 is loosened, the volute spring 306 drives the clamping block 305 to rotate outward through the pin shaft 304, the clamping block 305 presses the detection sensor module 303, and the worker installs the dustproof net 307 on the top of the shell 1 to complete the repair work.

[0035] Specific implementation cases:

[0036] The worker connects the wiring post 206 on the left connecting rod 204 with the main power supply through a wire, then connects the wiring post 206 on the right connecting rod 205 with the backup power supply through a wire, and then connects the wiring terminal 5 with the working circuit through a wire, the worker lifts the protective plate 4, pushes the indicating plate 208, the indicating plate 208 drives the rotating shaft 201 to rotate right through the insulating sleeve 202, the rotating shaft 201 pushes the conductive sheet 203 at the bottom of the insulating sleeve 202 to the position of the left connecting rod 204, the conductive sheet 203 is in contact with the left connecting rod 204, the rotating rotating shaft 201 drives the rack 212 to move left through the drive gear 211, the rack 212 drives the inner magnet 213 to approach the electromagnet 214, the current of the main power supply flows into the working circuit through the left connecting rod 204, the conductive sheet 203 and the wiring terminal 5, the detection sensor module 303 detects that there is current flowing through the left connecting rod 204, and the detection sensor module 303 does not input induced current into the electromagnet 214;

[0037] When the main power supply fails, the detection sensor module 303 cannot detect the current on the left connecting rod 204, the detection sensor module 303 inputs the induced current into the electromagnet 214, the electromagnet 214 generates a magnetic field, the magnetic field generated by the electromagnet 214 is opposite to the magnetic field of the inner magnet 213, the inner magnet 213 is driven to move the rack 212 to the right under the magnetic field, the rack 212 drives the rotating shaft 201 to rotate in reverse through the driving gear 211, the rotating shaft 201 drives the indicating plate 208 and the conductive sheet 203 to rotate in reverse, the conductive sheet 203 is separated from the left connecting rod 204 and contacts the right connecting rod 205, the current of the standby circuit flows into the working circuit through the right connecting rod 205, the conductive sheet 203 and the terminal 5, realizing the switching of the main power supply and the standby power supply;

[0038] When the detection sensor module 303 needs to be repaired, the worker removes the dust screen 307, rotates the pin shaft 304, the pin shaft 304 drives the clamping block 305 to rotate inward, the clamping block 305 enters the shell 1, the clamping block 305 does not press the detection sensor module 303, the worker removes the detection sensor module 303 and repairs it, after the repair is completed, the worker places the detection sensor module 303 on the top of the terminal block 301 again, the connecting rubber strip 302 sticks the detection sensor module 303, the connecting pin of the detection sensor module 303 contacts the terminal block 301, the pin shaft 304 is loosened, the volute spring 306 drives the clamping block 305 to rotate outward through the pin shaft 304, the clamping block 305 presses the detection sensor module 303, the worker installs the dust screen 307 on the top of the shell 1 again, and the repair work is completed.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic transfer switching apparatus comprising a housing (1), characterized in that: The inside of the shell (1) is provided with a conversion mechanism (2), the inside of the shell (1) and the back of the conversion mechanism (2) are provided with a detection mechanism (3), the top of the shell (1) and the corresponding position of the conversion mechanism (2) are rotatably connected with a protective plate (4), and the front of the shell (1) is provided with a wiring terminal (5); The conversion mechanism (2) comprises a rotating shaft (201) rotatably connected in the inside of the shell (1), an insulating sleeve (202) fixedly connected to the center of the outer wall of the rotating shaft (201), an electrically conductive sheet (203) fixedly connected to the outer wall of the insulating sleeve (202) and in the inside of the shell (1), a left connecting rod (204) and a right connecting rod (205) fixedly connected to the two sides of the rotating shaft (201) and in the inside of the shell (1), a wiring column (206) fixedly connected to the outer wall of the left connecting rod (204) and the right connecting rod (205) and away from the insulating sleeve (202), an electrically conductive silicone grease (207) fixedly connected to the outer wall of the electrically conductive sheet (203), an indication plate (208) fixedly connected to the top of the insulating sleeve (202), an adsorption plate (209) fixedly connected to the two sides of the indication plate (208), an outer magnet (210) mounted to the inner wall of the shell (1) and at the corresponding position close to the adsorption plate (209), a drive gear (211) on the outer wall of the rotating shaft (201) and at the back of the insulating sleeve (202), a rack (212) meshingly connected to the bottom of the drive gear (211), an inner magnet (213) fixedly connected to the left end of the rack (212), an electromagnet (214) fixedly connected to the inner wall of the shell (1) and on the side close to the inner magnet (213), and a return spring (215) fixedly connected to the right end of the rack (212). The detection mechanism (3) comprises a wiring board (301) fixedly connected in the inside of the shell (1), a connecting rubber strip (302) mounted in the inside center of the wiring board (301), a detection sensor module (303) adhered to the top of the connecting rubber strip (302), a pin shaft (304) rotatably connected in the inside of the shell (1) and above the wiring board (301), a clamping block (305) fixedly connected to the outer wall of the pin shaft (304) and above the detection sensor module (303), a spiral spring (306) fixedly connected to the inside of the pin shaft (304) and below the clamping block (305), and a dustproof net (307) fixedly connected to the top of the shell (1) and directly above the detection sensor module (303).

2. An automatic transfer switching apparatus according to claim 1, characterized in that: The shell (1) is made of ABS plastic, and the protective plate (4) is made of transparent acrylic glass.

3. An automatic transfer switching apparatus according to claim 1, characterized in that: The rotating shaft (201), the insulating sleeve (202) and the indication plate (208) are all made of ABS plastic, the electrically conductive sheet (203), the left connecting rod (204) and the right connecting rod (205) are all made of red copper, and the adsorption plate (209) is made of stainless steel.

4. An automatic transfer switching apparatus according to claim 1, characterized in that: The indicating plate (208) extends through the shell (1) and extends to the outside of the shell (1), the top of the inner wall of the shell (1) and the two sides of the indicating plate (208) are fixedly connected with silica gel strips, and the length of the silica gel strip is adapted to the width of the indicating plate (208).

5. An automatic transfer switching apparatus according to claim 1, characterized in that: The direction of the magnetic field of the inner magnet (213) is opposite to that of the electromagnet (214), the reset spring (215) is provided in multiple groups, and the reset spring (215) is fixedly connected with the shell (1).

6. An automatic transfer switching apparatus according to claim 1, characterized in that: The terminal post (206) extends through the shell (1) and extends to the outside of the shell (1), the rack (212) is slidably connected with the shell (1), the conductive sheet (203) is provided in two groups, and the conductive sheet (203) is electrically connected with the terminal (5) through wires.

7. An automatic transfer switching apparatus according to claim 1, wherein: The terminal plate (301) is made of red copper, the detection sensor module (303) is any one of a current sensor or a voltage sensor, and the clamping block (305) and the pin shaft (304) are made of ABS plastic.

8. An automatic transfer switching apparatus according to claim 1, characterized in that: The connecting adhesive strip (302) is made of pressure-sensitive adhesive, the volute spring (306) is fixedly connected with the shell (1), and the terminal plate (301), the electromagnet (214) and the left connecting rod (204) are electrically connected together through wires.

Images