CN213959821U

CN213959821U - Automatic switching device for double power supplies of intermediate frequency furnace

Info

Publication number: CN213959821U
Application number: CN202023075345.3U
Authority: CN
Inventors: 李民智; 张红霞; 刘处航; 刘苗苗; 孟敏; 曹向超
Original assignee: Shandong Hongqiao New Material Co Ltd
Current assignee: Yunnan Hongtai New Material Co.,Ltd.
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-08-13
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses an intermediate frequency furnace dual supply automatic switching control equipment, including switching control box and stand-by power supply, switching control box's inner wall is fixed with the installation piece, and one side threaded connection of installation piece has the bolt to switching control box's inner wall welding has the mount, and the top swing joint of mount has central treater moreover. This intermediate frequency furnace dual supply automatic switching control equipment, be provided with current sensing probe in central treater, if the electric current in the central treater appears unusually, then through the miniature telescopic link touch switch of wire control, cut off power commonly used, open stand-by power supply and supply power, this auto-switching control equipment can automatic switching, stand-by power supply does not need personnel's manual switching to the circuit breaker during the power failure, be favorable to the safe operation of intermediate frequency furnace, the difficult potential safety hazard that maloperation and personnel electrocute that appears of device automatic switching, be difficult for causing unsafe condition or accident, device automatic operation also is favorable to equipment emergency treatment, there is not the hysteresis quality.

Description

Automatic switching device for double power supplies of intermediate frequency furnace

Technical Field

The utility model relates to an electrolytic aluminum trade technical field specifically is an intermediate frequency furnace dual supply automatic switching control equipment.

Background

Electrolytic aluminum is aluminum obtained through electrolysis, most countries and production enterprises in the world currently use large-scale pre-baking tanks, the current intensity of the tanks is very high, the automation degree is high, the energy consumption is low, the single-tank yield is high, and the requirements of environmental protection regulations are met, China has completed the industrial test and industrialization of modern pre-baking tanks of 180kA, 280kA, 320kA, 400kA, 500kA and 600kA, the technical improvement and the improvement centered on energy conservation and yield increase and environmental protection standard reaching are realized, the conversion from the production technology of the self-baking tanks to the pre-baking tanks is promoted, great success is achieved, a switching device is required to be utilized for the dual-power conversion of the intermediate frequency furnace in an anode workshop of the electrolytic aluminum industry, but the existing dual-power switching device has certain defects, such as:

1. the conventional dual-power switching device cannot be automatically switched, a standby power supply needs personnel to manually switch a circuit breaker during power failure, the safe operation of an intermediate frequency furnace is not facilitated, potential safety hazards of misoperation and personnel electric shock exist during manual switching, unsafe conditions or accidents are easily caused, manual operation is not beneficial to emergency treatment of equipment, and certain hysteresis exists.

2. The conventional dual-power switching device is not convenient for internal maintenance generally, and the internal elements of the common switching device are fixedly connected, so that once the internal elements are out of order, the elements cannot be disassembled to be repaired, and more inconvenience is brought to the daily maintenance work of the switching device.

In order to solve the above problems, innovative design is urgently needed on the basis of the original dual power switching device structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intermediate frequency furnace dual supply automatic switching control equipment, can not automatic switch-over with what offer in solving above-mentioned background art, stand-by power supply needs personnel manual to switch over the circuit breaker during the power failure, be unfavorable for intermediate frequency furnace's safe operation, there is the potential safety hazard that maloperation and personnel electrocute during artifical manual switch-over, cause unsafe condition or accident easily, artifical manual operation does not also do benefit to equipment emergency treatment, there is certain hysteresis quality, and be not convenient for inside maintenance, ordinary auto-change over device inner member all adopts fixed connection's mode, in case inner member goes wrong, can't dismantle the component and get off to repair, the problem of more inconvenience has been brought for auto-change over device's daily maintenance work.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic dual-power switching device of an intermediate frequency furnace comprises a switching control box and a standby power supply, wherein an installation block is fixed on the inner wall of the switching control box, a bolt is connected with one side of the installation block in a threaded manner, and the inner wall of the switching control box is welded with a fixed frame, the top of the fixed frame is movably connected with a central processor, meanwhile, the back of the central processor is fixed with a hook, the top of the central processor is fixed with a controller, the bottom of the controller is provided with a warning lamp, and the top of the controller is provided with a current sensing probe, and the side wall of the controller is fixed with a lead, meanwhile, one end of the lead is fixedly connected with a micro telescopic rod, the side wall of the central processor is fixedly provided with a connecting wire, and one end fixedly connected with power commonly used of connecting wire, stand-by power supply's top is provided with the switch, and stand-by power supply's top is fixed with the spacing frame.

Preferably, the mounting block and the hook form a clamping structure, the inner surface of the mounting block is attached to the outer surface of the hook, and the inner size of the mounting block is completely matched with the outer size of the hook.

Preferably, one end of the bolt penetrates through one side of the fixing frame and extends to the other side of the fixing frame, one end of the bolt is in threaded connection with the switching control box, and the fixing frame is fixed on the inner wall of the switching control box through the bolt.

Preferably, the number of the fixing frames is 2, the 2 fixing frames are symmetrically arranged at the bottom of the central processor, and the top of the fixing frame is movably connected with the bottom of the central processor.

Preferably, miniature telescopic link and spacing structure as an organic whole, and the top of miniature telescopic link and the interior roof fixed connection of spacing, and miniature telescopic link passes through the spacing and fixes directly over the switch.

Compared with the prior art, the beneficial effects of the utility model are that: the double power supply automatic switching device of the intermediate frequency furnace;

1. the switching device can automatically switch, the standby power supply does not need personnel to manually switch the circuit breaker during power failure, the safe operation of the intermediate frequency furnace is facilitated, the automatic switching of the device is not easy to cause misoperation and potential safety hazard of electric shock of personnel, unsafe conditions or accidents are not easy to cause, the automatic operation of the device is also beneficial to emergency treatment of equipment, and hysteresis does not exist;

2. the switching device is characterized in that the installation block is arranged inside the switching control box, the clamping hooks of the internal elements of the switching device can be used for clamping, the installation mode of the elements is changed from fixed connection to clamping connection, the switching device is convenient to overhaul internally, the internal elements of the switching device after improvement all adopt the clamping connection mode, if the internal elements go wrong, the elements can be disassembled and repaired, and more convenience is brought to the daily overhaul work of the switching device.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the structural connection between the mounting block and the bolt of the present invention;

fig. 4 is a schematic view of the structural connection between the central processor and the hook of the present invention.

In the figure: 1. switching the control box; 2. mounting blocks; 3. a bolt; 4. a fixed mount; 5. a central processor; 6. a hook; 7. a controller; 8. a warning light; 9. a current sensing probe; 10. a wire; 11. a miniature telescopic rod; 12. a connecting wire; 13. a common power supply; 14. a standby power supply; 15. a switch; 16. a limiting frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic double-power-supply switching device of an intermediate frequency furnace comprises a switching control box 1, an installation block 2, a bolt 3, a fixing frame 4, a central processor 5, a clamping hook 6, a controller 7, a warning lamp 8, a current sensing probe 9, a lead 10, a micro telescopic rod 11, a connecting wire 12, a common power supply 13, a standby power supply 14, a switch 15 and a limiting frame 16, wherein the installation block 2 is fixed on the inner wall of the switching control box 1, the bolt 3 is connected to one side of the installation block 2 in a threaded manner, the fixing frame 4 is welded on the inner wall of the switching control box 1, the central processor 5 is movably connected to the top of the fixing frame 4, the clamping hook 6 is fixed on the back of the central processor 5, the controller 7 is fixed to the top of the central processor 5, the warning lamp 8 is arranged at the bottom of the controller 7, the current sensing probe 9 is installed at the top of the controller 7, the lead 10 is fixed to the side wall of the controller 7, meanwhile, one end of the wire 10 is fixedly connected with a micro telescopic rod 11, the side wall of the central processor 5 is fixed with a connecting wire 12, one end of the connecting wire 12 is fixedly connected with a common power supply 13, the top of the standby power supply 14 is provided with a switch 15, and the top of the standby power supply 14 is fixed with a limiting frame 16.

The mounting block 2 and the clamping hook 6 form a clamping structure, the inner surface of the mounting block 2 is attached to the outer surface of the clamping hook 6, the inner size of the mounting block 2 is completely matched with the outer size of the clamping hook 6, and the clamping of the clamping hook 6 is facilitated through the arranged mounting block 2, so that the clamping of an internal element is facilitated;

one end of the bolt 3 penetrates through one side of the fixing frame 4 and extends to the other side of the fixing frame 4, one end of the bolt 3 is in threaded connection with the switching control box 1, the fixing frame 4 is fixed on the inner wall of the switching control box 1 through the bolt 3, and the fixing frame 4 is conveniently and fixedly connected with the switching control box 1 through the arranged bolt 3;

the number of the fixing frames 4 is 2, the 2 fixing frames 4 are symmetrically arranged at the bottom of the central processor 5, the top of each fixing frame 4 is movably connected with the bottom of the central processor 5, and the supporting effect on the central processor 5 is enhanced through the arranged fixing frames 4;

miniature telescopic link 11 and spacing 16 structure as an organic whole, and the top of miniature telescopic link 11 and spacing 16 interior roof fixed connection, and miniature telescopic link 11 fixes directly over switch 15 through spacing 16, through the spacing 16 that sets up, has made things convenient for miniature telescopic link 11 fixed.

The working principle is as follows: when the automatic dual-power switching device of the intermediate frequency furnace is used, according to the figures 1, 2, 3 and 4, a current sensing probe 9 is arranged in the central processor 5, if the current in the central processor 5 is abnormal, the current sensing probe 9 transmits a sensed abnormal signal to the controller 7, the controller 7 controls the micro telescopic rod 11 to perform telescopic motion through the lead 10, the switch 15 is touched, the power supply of the common power supply 13 is cut off, the standby power supply 14 is turned on for supplying power, and the warning lamp 8 is turned on for flashing warning;

according to fig. 2, the mounting block 2 is fixed on the inner wall of the switching control box 1 by using the bolt 3, the hook 6 arranged on the back of the central processor 5 is aligned to the groove of the mounting block 2 and is inserted downwards, the central processor 5 is clamped on the mounting block 2, the fixing frame 4 welded on the inner wall of the switching control box 1 plays a role in enhancing support, the clamping operation is repeated, and internal parts such as a common power supply 13 and a standby power supply 14 can be clamped in the switching control box 1.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intermediate frequency furnace dual supply automatic switching control equipment, includes switching control box (1) and stand-by power supply (14), its characterized in that: the inner wall of the switching control box (1) is fixed with an installation block (2), one side of the installation block (2) is in threaded connection with a bolt (3), the inner wall of the switching control box (1) is welded with a fixed frame (4), the top of the fixed frame (4) is movably connected with a central processor (5), the back of the central processor (5) is fixed with a hook (6), the top of the central processor (5) is fixed with a controller (7), the bottom of the controller (7) is provided with a warning lamp (8), the top of the controller (7) is provided with a current sensing probe (9), the side wall of the controller (7) is fixed with a lead (10), one end of the lead (10) is fixedly connected with a micro telescopic rod (11), the side wall of the central processor (5) is fixed with a connecting wire (12), and one end of the connecting wire (12) is fixedly connected with a common power supply (13), a switch (15) is arranged at the top of the standby power supply (14), and a limiting frame (16) is fixed at the top of the standby power supply (14).

2. The automatic switching device for the double power supplies of the intermediate frequency furnace according to claim 1, characterized in that: the mounting block (2) and the clamping hook (6) form a clamping structure, the inner surface of the mounting block (2) is attached to the outer surface of the clamping hook (6), and the inner size of the mounting block (2) is completely matched with the outer size of the clamping hook (6).

3. The automatic switching device for the double power supplies of the intermediate frequency furnace according to claim 1, characterized in that: one end of the bolt (3) penetrates through one side of the fixing frame (4) and extends to the other side of the fixing frame (4), one end of the bolt (3) is in threaded connection with the switching control box (1), and the fixing frame (4) is fixed on the inner wall of the switching control box (1) through the bolt (3).

4. The automatic switching device for the double power supplies of the intermediate frequency furnace according to claim 1, characterized in that: the number of the fixing frames (4) is 2, the 2 fixing frames (4) are symmetrically arranged at the bottom of the central processor (5), and the top of each fixing frame (4) is movably connected with the bottom of the central processor (5).

5. The automatic switching device for the double power supplies of the intermediate frequency furnace according to claim 1, characterized in that: miniature telescopic link (11) and spacing (16) structure as an organic whole, and the top of miniature telescopic link (11) and the interior roof fixed connection of spacing (16), and miniature telescopic link (11) are fixed directly over switch (15) through spacing (16).