Control structure of electromagnet force safety door switch
By utilizing the control structure of the electromagnet-driven safety door switch, and combining magnetic induction and permanent magnets, the problems of key and lock cylinder friction powdering and high installation precision are solved, achieving stable locking and simplified installation, thus improving safety and equipment lifespan.
Patent Information
- Application Number
- CN202423191139.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-24
AI Technical Summary
In existing technologies, the mechanical movement of the key and lock cylinder causes friction that generates metal powder, and the high precision required for installation leads to installation difficulties and inconvenience in use.
The control structure of the safety door switch adopts an electromagnet force. Through the cooperation of magnetic induction element and permanent magnet, electromagnetic force is used to achieve a tight lock on the door, ensuring that the door can still be locked stably when it is offset or shaken, avoiding the generation of powder by friction, and simplifying the installation process.
It achieves stable door locking, avoids powder generation, reduces installation difficulty, improves safety and equipment lifespan, and simplifies the installation process.
Smart Images

Figure CN223693012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to switch control technical field especially relates to a control structure of electromagnet force safety door switch. BACKGROUND
[0002] Industrial interlock devices have a protective position monitoring function, can sense whether the protective device is closed, and give a stop command when the protective device is not in the closed position. The interlock device can also be used to control other functions, for example, a brake should be used before entering a dangerous area to limit the occurrence of a dangerous source. Some interlock devices also have a protective locking function to keep the protective device in a locked state when there is a dangerous injury. The state monitoring function of the protective locking device can monitor whether the protective locking device is engaged or released and give appropriate output signals. Process protection and personnel protection are achieved.
[0003] The existing protection principles "spring application-power-on release" and "power-on application-power-off release" require the actuator / key and the lock body to be mechanically locked. After inserting the key, the spring movement can be triggered, or power-on application. In this process, the movement friction between the key and the lock cylinder will bring out metal powder generated by friction. Moreover, this method requires high installation precision, less tolerance, and high requirements for customer use and installation.
[0004] Therefore, the skilled in the art provides a control structure of electromagnet force safety door switch to solve the problems raised in the background. UTILITY MODEL CONTENT
[0005] The utility model discloses a control structure of electromagnet force safety door switch to solve the problems of key misplacement and key cylinder friction in the prior art.
[0006] To achieve the above object, the utility model provides the following technical scheme.
[0007] A control structure of electromagnet force safety door switch, including switch main part and adapter main part, the switch main part includes main body shell, the main body shell lower extreme is fixedly installed with the indicating lamp, the main body shell lower extreme is close to the side fixedly installed with first sucking disc of indicating lamp, the first sucking disc includes electromagnet main body, the main body shell inside front end is fixedly installed with magnetic induction element, the main body shell is away from the side fixedly installed with RFID induction circuit of magnetic induction element;
[0008] The matching body includes a matching shell, a second suction disc is fixedly arranged on one side of the matching shell close to the switch body, a permanent magnet is fixedly arranged in the second suction disc, a spring is fixedly arranged on the side of the matching shell away from the permanent magnet, and an induction tag is fixedly arranged on the side of the matching shell.
[0009] Further, the electromagnet body is parallel to the permanent magnet.
[0010] Further, the upper end of the indicator light is below the lower end of the first suction disc.
[0011] Further, the rear end of the magnetic induction element is in front of the first suction disc.
[0012] Further, one side of the spring is on one side of the second suction disc.
[0013] Further, the permanent magnet is arranged inside the matching shell close to the side of the switch body.
[0014] Further, the electromagnet body is arranged on the side of the main body shell away from the matching body.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1. The control structure of the electromagnet force safety door switch, when the door is closed, the matching body is aligned with the switch body, the magnetic induction element senses the permanent magnet close, when the magnetic induction element and the induction tag complete identification verification, the installation direction and position are further confirmed to be correct, at this time, the electromagnet is electrified, the second suction disc is attracted, so that the door is firmly locked, the electromagnet and the permanent magnet are tightly locked through electromagnetic force, even if the door leaf is offset or slightly shakes, the door can be stably closed and locked, accidental opening of the door is effectively prevented, and safety is improved.
[0017] 2. The control structure of the electromagnet force safety door switch is simple and fast in the installation process of the control structure, the installation angle of the matching body does not need to be adjusted complicatedly, the installation difficulty is reduced, the working efficiency is improved, and in the locking process, the electromagnet body and the permanent magnet are tightly locked through electromagnetic force, no powder is generated in this process, potential erosion of powder to internal elements is effectively avoided, the service life of equipment is prolonged, and long-term stable operation is ensured. DRAWINGS
[0018] Figure 1 It is a whole axis measurement schematic view of the utility model;
[0019] Figure 2 It is a local front view schematic view of the utility model;
[0020] Figure 3 is a bottom view axonometric schematic diagram of the locking state of the utility model;
[0021] Figure 4 is a front view axonometric schematic diagram of the first mispositioning non-induction state of the utility model;
[0022] Figure 5 is a front view axonometric schematic diagram of the second mispositioning non-induction state of the utility model;
[0023] Figure 6 is a front view schematic diagram of the position correct induction state of the utility model.
[0024] Legend:
[0025] 1, switch main body; 2, adapter main body; 101, indicator light; 102, magnetic induction element; 103, first suction cup; 104, main body shell; 105, electromagnet main body; 106, RFID induction circuit; 201, second suction cup; 202, induction label; 203, permanent magnet; 204, spring; 205, adapter shell. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] With reference to Figures 1-6 , the utility model provides an embodiment:
[0028] The application discloses a control structure of an electromagnet force safety door switch, which comprises a switch main body 1 and a matching device main body 2, wherein the switch main body 1 comprises a main body shell 104, the lower end of the main body shell 104 is fixedly provided with an indicating lamp 101, the side of the lower end of the main body shell 104 close to the indicating lamp 101 is fixedly provided with a first suction disc 103, the first suction disc 103 comprises an electromagnet main body 105, the front end of the inside of the main body shell 104 is fixedly provided with a magnetic induction element 102, the side of the main body shell 104 away from the magnetic induction element 102 is fixedly provided with an RFID induction circuit 106, the matching device main body 2 comprises a matching device shell 205, the side of the matching device shell 205 close to the switch main body 1 is fixedly provided with a second suction disc 201, the inside of the second suction disc 201 is fixedly provided with a permanent magnet 203, the side of the inside of the matching device shell 205 away from the permanent magnet 203 is fixedly provided with a spring 204, the side of the rear end of the matching device shell 205 is fixedly provided with an induction label 202, the electromagnet main body 105 is parallel to the permanent magnet 203, the upper end of the indicating lamp 101 is located at the lower end of the first suction disc 103, the rear end of the magnetic induction element 102 is located at the front end of the first suction disc 103, the side of the spring 204 is located at the side of the second suction disc 201, the outside of the permanent magnet 203 is arranged at the side of the inside of the matching device shell 205 close to the switch main body 1, and the side of the electromagnet main body 105 is arranged at the side of the main body shell 104 away from the matching device main body 2.
[0029] Specifically, the switch body 1 is usually fixed at the fixed end of the door frame, and the adapter body 2 is installed on the door. When the door is closed, the adapter body 2 is aligned with the switch body 1, the magnetic induction element 102 inside the switch body 1 will sense the proximity of the adapter body 2, the magnetic induction element 102 inside the switch body 1 will sense the presence of the permanent magnet 203, then the two will be closely attached, then the RFID induction circuit 106 inside the switch body 1 communicates with the induction tag 202 on the adapter shell 205 to verify the accuracy of the installation direction and position. Once it is confirmed that the position of the adapter body 2 is correct and the direction is correct, the control panel will energize the electromagnet body 105 to generate a magnetic field to attract and lock the second suction cup 201 on the adapter body 2. Not only does it achieve the locking of the door, but it also gives the related equipment through the output signal, and performs two-way judgment to ensure the correctness of the installation. Even in the case of door offset or shaking, the electromagnetic force between the electromagnet body 105 and the permanent magnet 203 inside the first and second suction cups 103 and 201 can ensure the tight closing of the door. In addition, the adapter body 2 is larger than the switch body 1, so even if the door has a slight offset, it can still achieve locking, and the spring 204 inside the adapter body 2 can also cope with the problem of door tilt, improving the adaptability to different states of the door, reducing the failure of the door lock caused by the change of the door state, and installing conveniently. The magnetic induction and RFID induction circuit 106 improve the security of the access control system and effectively prevent unauthorized access. The locking process reduces human error, improves the reliability and convenience of the system, and is suitable for access control requirements in various environments and conditions. The entire structure is simple to install and does not need to pay attention to the installation angle of the adapter, saving installation time and labor cost, and conveniently and quickly completing the installation work. Whether it is a professional installer or an ordinary user, it can be easily operated. When the door is locked, the electromagnet body 105 and the permanent magnet 203 will not produce powder through the electromagnetic force to lock the door strongly, avoiding the erosion of the powder to the internal elements, which is beneficial to prolong the service life of the equipment. The brightness of the indicator light 101 can be observed to intuitively understand the locking or unlocking status of the safety door, improving the convenience and safety of the operation.
[0030] Working principle: when the door is closed, the adapter body 2 will be aligned with the switch body 1, when the magnetic induction element 102 inside the switch body 1 senses the proximity of the adapter body 2, the magnetic induction element 102 will sense the permanent magnet 203, which will prove that the adapter body 2 is close and fit with the switch body 1, when the magnetic induction element 102, RFID induction circuit 106 inside the switch body 1 and the sensing tag 202 on one side of the adapter body 2 are identified, it proves that the installation direction is accurate, at this time, the control panel inside the switch body 1 energizes the electromagnet body 105 to generate a magnetic field to attract the second suction cup 201 in the adapter body 2, and then lock the door, at the same time output signal to the corresponding equipment, bidirectional judgment to ensure the accuracy of installation, when the door starts to lock, the first suction cup 103 and the second suction cup 201 inside the electromagnet body 105 and the permanent magnet 203 realize strong door locking through electromagnetic force, even if the door is offset and shaking, it can be tightly closed, so as to tightly close and lock the door, the adapter body 2 is larger than the switch body 1, even if the door has offset, it can be locked, the spring 204 inside the adapter shell 205 can solve the problem of door tilt, and the whole structure is simple to install, without worrying about the installation angle of the adapter body 2.
[0031] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A control structure of an electromagnet force safety door switch, comprising a switch main body (1) and a matching main body (2), characterized in that: Said switch body (1) includes main body shell (104), the lower end of main body shell (104) is fixedly provided with indicating lamp (101), the side of the lower end of main body shell (104) is fixedly provided with first suction cup (103) near indicating lamp (101), first suction cup (103) includes electromagnet body (105), the inside of main body shell (104) is fixedly provided with magnetic induction element (102) at the front end, the side of main body shell (104) is fixedly provided with RFID induction circuit (106) away from magnetic induction element (102). Said matching body (2) includes matching body shell (205), the side of matching body shell (205) is fixedly provided with second suction cup (201) near switch body (1), the inside of second suction cup (201) is fixedly provided with permanent magnet (203), the side of the inside of matching body shell (205) is fixedly provided with spring (204) away from permanent magnet (203), the side rear end of matching body shell (205) is fixedly provided with induction label (202).
2. The control structure of the electromagnetic force safety door switch according to claim 1, characterized in that: Said electromagnet body (105) is parallel to the permanent magnet (203).
3. The control structure of a magnetic force safety door switch according to claim 1, wherein: The upper end of the indicating lamp (101) is below the lower end of the first suction cup (103).
4. The control structure of a solenoid force safety door switch according to claim 1, wherein: The rear end of the magnetic induction element (102) is in front of the first suction cup (103).
5. The control structure of a magnetic force safety door switch according to claim 1, wherein: The side of the spring (204) is on the side of the second suction cup (201).
6. The control structure of a magnetic force safety door switch according to claim 1, wherein: The permanent magnet (203) is arranged inside the matching body shell (205) on the side close to the switch body (1).
7. The control structure of a magnetic force safety door switch according to claim 1, wherein: The side of the electromagnet body (105) is arranged on the side of the main body shell (104) away from the matching body (2).