Bistable magnetic switch

Abstract

The utility model discloses a bistable magnetic switch, which comprises an auxiliary magnetic switch, bistable circuit boards and a main magnetic switch, the bistable circuit boards are arranged at two ends in the main magnetic switch, a second trigger magnet is arranged in the middle of the top end of the main magnetic switch, and the bottoms of the bistable circuit boards are connected with the auxiliary magnetic switch in a clamping manner. According to the utility model, the main magnetic switch is arranged, the protective guard is arranged on the outer side of the top of the main magnetic switch, safety protection can be carried out on the main magnetic switch through the protective guard, the bistable circuit boards are arranged at the two ends of the main magnetic switch, bistable control can be carried out on the main magnetic switch through the bistable circuit boards, and the power connection heads are arranged at the end parts of the bistable circuit boards. A first power connection cable is arranged on the power connection head, and switching between a monostable state and a bistable state can be carried out by changing the wiring position of the first power connection cable; an auxiliary magnetic switch is arranged at the bottom of the main magnetic switch, a clamping groove is formed in the middle of the auxiliary magnetic switch, and the auxiliary magnetic switch and the main magnetic switch can be conveniently assembled through the clamping groove.

Description

Technical Field

[0001] The utility model relates to the relevant field of bistable magnetic switches, in particular to a bistable magnetic switch. Background Art

[0002] The magnetic switch can be used in conjunction with a magnetic flap level gauge to output a switch signal to prevent liquid level overflow and dry running or to achieve high and low liquid level alarms;

[0003] For example, the authorized patent with publication number CN208531951U (bistable magnetic switch in elevator deceleration movement): includes a switch body with a bistable magnetic control structure, a fastening component spirally sleeved on the switch body, and a mounting bracket for fixing the switch body. The switch body is provided with a cylindrical structure and forms a cylindrical shell. One end of the shell is an induction end and is equipped with a magnetic sensor, and the other end is a wiring terminal. A connecting thread is formed on the outer surface of the wiring terminal, and the fastening component is sleeved on the connecting thread. The fastening components are arranged in pairs and arranged at both ends of the mounting bracket. The mounting bracket includes a mounting straight plate and a connector connected at right angles thereto, and the connector is connected to the upper beam bracket of the elevator. This device is a magnetic switch structure for controlling flux in the deceleration movement of the elevator, suitable for the deceleration state of the elevator, and controls and senses the operation status of the elevator;

[0004] The magnetic switch sensing position of the above-mentioned prior art is fixed and has a small range. It is not possible to sense multiple positions and multiple points simultaneously. The sensing is not accurate enough. The installation of the bistable system is not convenient enough and the use is not flexible enough. It is not possible to switch between single and bistable states according to needs. Utility Model Content

[0005] The purpose of the utility model is to provide a bistable magnetic switch to solve the problems proposed in the above-mentioned background technology that the magnetic switch sensing position is fixed and the range is small, it is impossible to sense multiple positions and multiple points at the same time, the sensing is not accurate enough, the installation of the bistable system is not convenient, and the use is not flexible enough, and it is impossible to switch between single and bistable states according to needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bistable magnetic switch, comprising an auxiliary magnetic switch, a bistable circuit board and a main magnetic switch, wherein the bistable circuit boards are provided at both ends of the interior of the main magnetic switch, a second trigger magnet is provided in the middle of the top end of the main magnetic switch, and the bottom of the bistable circuit board is connected to the auxiliary magnetic switch by a clamping manner.

[0007] In a further embodiment, an electrical connection head is provided at the end of the main magnetic switch, and a second electrical connection cable is provided at the end of the electrical connection head.

[0008] In a further embodiment, both sides of the main magnetic switch are provided with limiting sleeves, both sides of the power connection head are provided with first power connection cables, and the first power connection cables are arranged through the limiting sleeves.

[0009] In a further embodiment, a slot is provided in the middle of the auxiliary magnetic switch, and two screw heads are provided on the slot.

[0010] In a further embodiment, a first trigger magnet is provided at the center of both ends of the auxiliary magnetic switch, and the output end of the first trigger magnet is electrically connected to the input end of the main magnetic switch.

[0011] In a further embodiment, a guardrail is provided on the top of the main magnetic switch, an electrical connector is provided on the end of the limit sleeve, and the electrical connector is electrically connected to the bistable circuit board.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a main magnetic switch, and a guardrail is provided on the outer side of the top of the main magnetic switch, and the main magnetic switch can be safely protected by the guardrail. Bistable circuit boards are provided at both ends of the main magnetic switch, and the main magnetic switch can be bistable controlled by the circuit boards. An electrical connection head is provided at the end of the bistable circuit board, and a first electrical connection cable is provided on the electrical connection head. By changing the wiring position of the first electrical connection cable, switching between monostable and bistable states can be performed.

[0014] A secondary magnetic switch is provided at the bottom of the main magnetic switch of the utility model, and a card slot is provided in the middle of the secondary magnetic switch, which facilitates the assembly of the secondary magnetic switch and the main magnetic switch. A first trigger magnet is provided at the end of the secondary magnetic switch, and dual induction control can be coordinated through the first trigger magnet and the second trigger magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a bistable magnetic switch of the utility model;

[0016] Figure 2 This is the front view of the auxiliary magnetic switch of the utility model;

[0017] Figure 3 It is a top view of the auxiliary magnetic switch of the utility model;

[0018] Figure 4 This is a front view of the second trigger magnet of the utility model.

[0019] In the figure: 1. auxiliary magnetic switch; 2. first trigger magnet; 3. slot; 4. second trigger magnet; 5. first power cable; 6. second power cable; 7. power connector; 8. limit sleeve; 9. bistable circuit board; 10. guardrail; 11. main magnetic switch; 12. screw head. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a bistable magnetic switch, including a secondary magnetic switch 1, a bistable circuit board 9 and a main magnetic switch 11, the bistable circuit boards 9 are provided at both ends of the main magnetic switch 11, a second trigger magnet 4 is provided in the middle of the top of the main magnetic switch 11, the bottom of the bistable circuit board 9 is connected to the secondary magnetic switch 1 by a clamping method, bistable control can be performed by the bistable circuit board 9, the main magnetic switch 11 can be controlled by the second trigger magnet 4, and the assembly of the bistable circuit board 9 and the secondary magnetic switch 1 is convenient by the clamping method.

[0022] An electrical connection head 7 is provided at the end of the main magnetic switch 11, and a second electrical connection cable 6 is provided at the end of the electrical connection head 7. The electrical connection head 7 facilitates the electrical connection of the main magnetic switch 11, and the second electrical connection cable 6 is used for electrical connection; limiting sleeves 8 are provided on both sides of the main magnetic switch 11, and first electrical connection cables 5 are provided on both sides of the electrical connection head 7, and the first electrical connection cables 5 are arranged through the limiting sleeves 8, and the limiting sleeves 8 are used to limit the electrical connection of the first electrical connection cables 5, and a guardrail 10 is provided on the top of the main magnetic switch 11, and an electrical connection head is provided at the end of the limiting sleeve 8, and the electrical connection head is electrically connected to the bistable circuit board 9, and the outer side of the main magnetic switch 11 can be safely protected by the guardrail 10.

[0023] A slot 3 is provided in the middle of the auxiliary magnetic switch 1, and two screw heads 12 are provided on the slot 3, which facilitates the assembly of the auxiliary magnetic switch 1 and the main magnetic switch 11; a first trigger magnet 2 is provided in the middle of both ends of the auxiliary magnetic switch 1, and the output end of the first trigger magnet 2 is electrically connected to the input end of the main magnetic switch 11, and the first trigger magnet 2 is used to perform bistable control on the auxiliary magnetic switch 1.

[0024] Working principle: When in use, the auxiliary magnetic switch 1 is fixed to the bottom of the main magnetic switch 11 through the slot 3, and the auxiliary magnetic switch 1 is assembled with the main magnetic switch 11 through the screw head 12. The first trigger magnet 2 and the second trigger magnet 4 are used to sense the change of the magnetic field in the elevator, and the main magnetic switch 11 and the auxiliary magnetic switch 1 are respectively opened and closed to control the start and stop of the elevator. The end of the first power cable 5 is connected to the limit sleeve 8, and the second power cable 6 is used to connect the magnetic switch.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A bistable magnetic switch, comprising an auxiliary magnetic switch (1), a bistable circuit board (9) and a main magnetic switch (11), characterized in that: Both ends of the main magnetic switch (11) are provided with a bistable circuit board (9), a second trigger magnet (4) is provided in the middle of the top end of the main magnetic switch (11), and the bottom of the bistable circuit board (9) is connected to the auxiliary magnetic switch (1) by means of a clamping method.

2. A bistable magnetic switch according to claim 1, characterized in that: An electrical connection head (7) is provided at the end of the main magnetic switch (11), and a second electrical connection cable (6) is provided at the end of the electrical connection head (7).

3. A bistable magnetic switch according to claim 2, characterized in that: Limit sleeves (8) are provided on both sides of the main magnetic switch (11), first power connection cables (5) are provided on both sides of the power connection head (7), and the first power connection cables (5) are arranged through the limit sleeves (8).

4. A bistable magnetic switch according to claim 1, characterized in that: A slot (3) is provided in the middle of the auxiliary magnetic switch (1), and two screw heads (12) are provided on the slot (3).

5. A bistable magnetic switch according to claim 1, characterized in that: A first trigger magnet (2) is provided at the center of both ends of the auxiliary magnetic switch (1), and an output end of the first trigger magnet (2) is electrically connected to an input end of the main magnetic switch (11).

6. A bistable magnetic switch according to claim 3, characterized in that: A guardrail (10) is provided on the top of the main magnetic switch (11), and an electrical connector is provided on the end of the limit sleeve (8), and the electrical connector is electrically connected to the bistable circuit board (9).

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