High-voltage power double-circuit power supply automatic switching device
By combining normally open and normally closed relays with an arc-extinguishing grid design, the problems of high cost and arc damage in existing technologies are solved, achieving low-cost and safe automatic circuit switching.
Patent Information
- Application Number
- CN202520078494.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Most existing automatic circuit power switching devices are implemented using integrated circuits, which are costly and prone to generating electric arcs during the switching process, damaging the equipment.
The design employs normally open and normally closed relays in conjunction with an arc-extinguishing grid to achieve automatic circuit switching, and the arc-extinguishing grid divides the electric arc during the switching process to protect the equipment.
This reduces the cost of the device and prevents equipment damage through arc-quenching grids, ensuring the safety and reliability of circuit switching.
Smart Images
Figure CN223758039U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to two -way power supply technical field, concretely relates to a high -voltage power two -way power supply automatic switching device. BACKGROUND
[0002] In order to avoid sudden power failure phenomenon, the power supply system currently adopted all adopt two -way independent power supply mode, and each other standby, to prevent power failure or short -circuit tripping, when one power supply can not normally power, still can have another power supply power.
[0003] But the existing circuit power supply automatic switching device mostly adopts the integrated circuit with relevant function to realize, and cost is higher, and when one power supply or appears the failure and starts another power supply, in the switching process, arc will be produced, damage the equipment, inconvenient to popularization and use.
[0004] The application provides a high -voltage power two -way power supply automatic switching device to solve this problem. UTILITY MODEL CONTENTS
[0005] The utility model discloses a high -voltage power two -way power supply automatic switching device to solve the automatic switching device mostly adopted with the integrated circuit with relevant function to realize and arc in the circuit switching process to make cost is higher and damage the equipment, and the use effect is poor problem in the background art.
[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0007] A high -voltage power two -way power supply automatic switching device, including external components, installation components and switching components, the external components include device body and fixed column, the fixed column is slidably installed in the inside of device body, the installation component is slidably installed at the back of external components, the installation component includes fixed plate and fixed block, the fixed block is fixedly installed at the front of fixed plate, the switching component is arranged in the inside of external components, and the switching component includes main electric box, and the main electric box is fixedly installed in the inside of device body.
[0008] The further improvement of the utility model technical scheme is that: the top of device body is provided with first binding post, the bottom of device body is provided with second binding post, and the back of device body is provided with connecting groove.
[0009] The further improvement of the utility model technical scheme is that: the inside of fixed plate is provided with fixed groove, and the both ends of fixed plate are provided with fixed hole.
[0010] The further improvement in the technical scheme of the utility model lies in that: the inside of the device body is rotatably provided with a knob, the bottom of the knob is fixedly provided with a rotating disc, both sides of the rotating disc are provided with switch grooves, and the top of the main electric box is provided with an installation mark.
[0011] The further improvement in the technical scheme of the utility model lies in that: the inside of the main electric box is fixedly provided with a normally open relay, and the inside of the device body is fixedly provided with a sub electric box.
[0012] The further improvement in the technical scheme of the utility model lies in that: the inside of the main electric box and the sub electric box is fixedly provided with an arc extinguishing grid, and the inside of the sub electric box is fixedly provided with a normally closed relay.
[0013] The further improvement in the technical scheme of the utility model lies in that: the inside of the device body is fixedly provided with a spring, the inside of the spring is movably connected with a connecting column, one end of the connecting column is movably connected in the inside of the switch groove, and the other end of the connecting column is movably connected in the inside of the main electric box and the sub electric box.
[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:
[0015] 1、The utility model provides a kind of high-voltage power dual-path power supply automatic switching device, under the joint action of normally open relay and normally closed relay, after circuit is connected by first binding post and second binding post, when main circuit is powered off, normally open relay is powered off, from closed to normally open state, normally closed relay is powered off, from open to long closed state, so that sub electric box is connected, realize the automatic switching of circuit, compared with integrated circuit switching device, cost is lower.
[0016] 2、The utility model provides a kind of high-voltage power dual-path power supply automatic switching device, under the joint action of main electric box, sub electric box and arc extinguishing grid, when main circuit and sub circuit are switched, arc will be generated, by setting arc extinguishing grid in the inside of main electric box and sub electric box, arc generated is segmented arc-extinguishing by arc extinguishing grid, equipment is protected, to prevent damage equipment. DRAWINGS
[0017] Figure 1 It is the structure schematic view of the high-voltage power dual-path power supply automatic switching device of the utility model;
[0018] Figure 2 It is the structure schematic view of the installation assembly of the utility model;
[0019] Figure 3 It is the structure schematic view of the external assembly of the utility model;
[0020] Figure 4It is the internal structure schematic view of the external component of the utility model.
[0021] Figure 5 It is the structure schematic view of the switching assembly of the utility model.
[0022] In the figure: 1, external component;2, installation assembly;3, switching assembly;10, device body;11, first terminal post;12, fixed column;13, connecting clamping groove;14, second terminal post;20, fixed plate;21, fixed hole;22, fixed clamping block;23, fixed slot;30, knob;31, installation mark;32, normally open relay;33, normally closed relay;34, arc extinguishing grid;35, rotating disc;36, spring;37, connecting column;38, main electric box;39, auxiliary electric box;301, switch groove. DETAILED DESCRIPTION
[0023] The utility model makes further detailed description in combination with examples:
[0024] As Figures 1-5 The utility model provides a kind of high-voltage power dual-path power supply automatic switching device, including external component 1, installation assembly 2 and switching assembly 3, it is characterized by: external component 1 includes device body 10 and fixed column 12, fixed column 12 is slidably installed in the inside of device body 10, the top of device body 10 is provided with first terminal post 11, the bottom of device body 10 is provided with second terminal post 14, and circuit is connected by first terminal post 11 and second terminal post 14, the back of device body 10 is provided with connecting clamping groove 13.
[0025] As Figure 2 And Figure 3 Installation assembly 2 is slidably installed in the back of external component 1, installation assembly 2 includes fixed plate 20 and fixed clamping block 22, fixed clamping block 22 is fixedly installed in the front of fixed plate 20, fixed slot 23 is opened in the inside of fixed plate 20, fixed hole 21 is opened in the both ends of fixed plate 20, fixed plate 20 is fixed by fixed hole 21, device body 10 is installed by installation mark 31, device body 10 and fixed plate 20 are connected by fixed clamping block 22 on fixed plate 20 and connecting clamping groove 13 on device body 10, device body 10 is fixed by the fixed column 12 of insertion fixed slot 23 under the pressure fixed column 12.
[0026] As Figures 3-5As shown, the switching assembly 3 is arranged inside the external assembly 1, the switching assembly 3 comprises a main electric box 38, the main electric box 38 is fixedly installed inside the device body 10, the bottom of the knob 30 is fixedly installed with a rotating disc 35, the two sides of the rotating disc 35 are provided with switch grooves 301, the top of the main electric box 38 is provided with an installation mark 31, the device body 10 is installed through the installation mark 31, preventing installation errors, the inside of the main electric box 38 is fixedly installed with a normally open relay 32, the inside of the device body 10 is fixedly installed with a secondary electric box 39, the inside of the main electric box 38 and the secondary electric box 39 is fixedly installed with an arc extinguishing grid 34, the inside of the secondary electric box 39 is fixedly installed with a normally closed relay 33, the inside of the device body 10 is fixedly installed with a spring 36, the inside of the spring 36 is movably connected with a connecting column 37, one end of the connecting column 37 is movably connected inside the switch groove 301, the other end of the connecting column 37 is movably connected inside the main electric box 38 and the secondary electric box 39, when the main circuit is powered off, the normally open relay 32 is powered off, from closing to normally open state, the normally closed relay 33 is powered off, from opening to long closed state, the secondary electric box 39 is connected, realizing automatic switching of the circuit, compared with the switching device of the integrated circuit, the cost is lower, when the main circuit and the secondary circuit are switched, the electric arc is generated, the electric arc is divided and extinguished by the arc extinguishing grid 34 arranged inside the main electric box 38 and the secondary electric box 39, the equipment is protected, preventing damage to the equipment, in the case of automatic switching circuit, manual switching is still maintained, in order to prevent the automatic switching circuit from working abnormally in special circumstances, the knob 30 is twisted, the connecting column 37 on one side of the main circuit falls into the switch groove 301 by the rotating disc 35, the connecting column 37 exits the main electric box 38, the main electric box 38 is powered off, and the connecting column 37 on one side of the secondary circuit is pushed out of the switch groove 301 by the rotating disc 35, and extends into the inside of the secondary electric box 39, so that the circuit is conducted.
[0027] The working principle of the high-voltage power dual-path power automatic switching device will be described below.
[0028] As Figures 1-5As shown, in use of the high-voltage power dual-path power supply automatic switching device, the fixing plate 20 is fixed through the fixing hole 21, the device body 10 is installed through the installation mark 31, the device body 10 is connected with the fixing plate 20 through the fixed clamping block 22 on the fixing plate 20 and the connecting clamping groove 13 on the device body 10, the device body 10 is fixed by pressing the fixing column 12 to insert the fixing column 12 into the fixing groove 23, and the circuit is connected through the first wiring column 11 and the second wiring column 14. When the main circuit is powered off, the normally open relay 32 is powered off, and the normally open state is restored from the closed state, the normally closed relay 33 is powered off, and the long closed state is restored from the open state, the auxiliary electric box 39 is connected, the automatic switching of the circuit is realized, compared with the switching device of the integrated circuit, the cost is lower, when the main circuit and the auxiliary circuit are switched, the electric arc is generated, the arc grid 34 is arranged in the main electric box 38 and the auxiliary electric box 39, the generated electric arc is divided and extinguished through the arc grid 34, the equipment is protected, and the equipment is prevented from being damaged, in the case that the automatic switching circuit exists, the manual switching is still maintained, so that the automatic switching circuit cannot work normally in special cases, the connecting column 37 on the main circuit side is fallen into the switch groove 301 by rotating the knob 30 and the rotating disc 35, the connecting column 37 is withdrawn from the main electric box 38, the main electric box 38 is powered off, and the connecting column 37 on the auxiliary circuit side is pushed out of the switch groove 301 by the rotating disc 35 and inserted into the inside of the auxiliary electric box 39, so that the circuit is conducted.
[0029] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the scope of the utility model.
Claims
1. A high-voltage power dual supply automatic switching device, comprising an external component (1), a mounting component (2) and a switching component (3), characterized in that: The external component (1) comprises a device body (10) and a fixing column (12) which is slidingly installed inside the device body (10), the installation component (2) is slidingly installed on the back of the external component (1), the installation component (2) comprises a fixing plate (20) and a fixing clamping block (22), the fixing clamping block (22) is fixedly installed on the front of the fixing plate (20), the switching component (3) is arranged inside the external component (1), and the switching component (3) comprises a main electric box (38) which is fixedly installed inside the device body (10).
2. The high-voltage power dual-path power supply automatic switching device according to claim 1, characterized in that: The top of the device body (10) is provided with a first wiring post (11), the bottom of the device body (10) is provided with a second wiring post (14), and the back of the device body (10) is provided with a connecting clamping groove (13).
3. The high voltage power dual supply automatic switching device according to claim 1, characterized in that: The inside of the fixing plate (20) is provided with a fixing groove (23), and the two ends of the fixing plate (20) are provided with fixing holes (21).
4. The high voltage power dual supply automatic switching device according to claim 1, characterized in that: The inside of the device body (10) is rotatably provided with a knob (30), the bottom of the knob (30) is fixedly provided with a rotating disc (35), the two sides of the rotating disc (35) are provided with switch grooves (301), and the top of the main electric box (38) is provided with an installation mark (31).
5. The high voltage power dual supply automatic switching device according to claim 1, characterized in that: The inside of the main electric box (38) is fixedly provided with a normally open relay (32), and the inside of the device body (10) is fixedly provided with a secondary electric box (39).
6. The high voltage power dual supply automatic switching device according to claim 5, characterized in that: The inside of the main electric box (38) and the secondary electric box (39) is fixedly provided with an arc extinguishing grid (34), and the inside of the secondary electric box (39) is fixedly provided with a normally closed relay (33).
7. The high voltage power dual supply automatic switching device according to claim 4, characterized in that: The inside of the device body (10) is fixedly provided with a spring (36) on both sides, the inside of the spring (36) is movably connected with a connecting column (37), one end of the connecting column (37) is movably connected in the switch groove (301), and the other end of the connecting column (37) is movably connected in the main electric box (38) and the secondary electric box (39).