Anti-theft door capable of prolonging emergency extension time
By combining an infrared ranging sensor and an electromagnetic door catcher, the open position of the security door is detected and the door is closed after a delay. This solves the problem of the security door automatically closing and affecting passage in emergency situations, and achieves a safe extension of the closing time.
Patent Information
- Application Number
- CN202423317697.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing security doors automatically close in emergency situations, affecting pedestrian access and unable to extend the closing time, posing a safety hazard.
It employs a combination of infrared ranging sensor, controller, timer and electromagnetic door catch to detect the open position of the door and delay closing it to prevent the door closer from automatically pulling back.
This allows for extending the closing time of security doors in emergency situations, ensuring the safety of personnel and preventing property damage caused by accidental closure.
Smart Images

Figure CN223753961U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of security door, concretely relates to a security door of increasing emergency extension time. BACKGROUND
[0002] The security door is provided with a security lock and can resist abnormal opening under certain conditions within a certain time, has certain safety protection performance and meets the corresponding security level of the door. Due to the complex overall structure of the security door and the heavy weight, when the user forgets to close the security door after opening the security door, the security door cannot be automatically reset and closed, which causes potential safety hazards and property losses.
[0003] The existing security door generally adopts a door closer to automatically close the door. The door closer is a device that can automatically close the door, which is usually installed between the door and the door frame. The door will be automatically closed under the elastic restoring force of the door closer when the door is opened. The door can be accurately and timely closed to the initial position after being opened, which provides great convenience for people's life.
[0004] However, the automatic closing of the security door by the door closer will affect the passage of personnel and is not conducive to the use in emergency situations. CONTENT OF THE UTILITY MODEL
[0005] Based on the problems mentioned in the above background technology, the utility model provides a security door of increasing emergency extension time, which is used to solve the problem that the automatic closing of the security door by the door closer will affect the passage of personnel and is not conducive to the use in emergency situations.
[0006] The technical scheme adopted by the utility model is as follows:
[0007] A security door of increasing emergency extension time comprises:
[0008] A door frame and a door body hingedly arranged inside the door frame;
[0009] A door closer arranged between the door frame and the top of the door body;
[0010] A detection prompting unit arranged on the door frame and the door body;
[0011] A control unit arranged on the door frame;
[0012] A magnetic attraction unit arranged between the door frame and the top of the door body;
[0013] A power module for supplying power to the detection prompting unit, the control unit and the magnetic attraction unit;
[0014] The detection prompting unit is used for detecting the position of the open door body and prompting the operator, and feeding back a signal to the control unit, and after the control unit receives the signal, the magnetic attraction unit is controlled to operate, so as to realize the delay closing operation on the open door body.
[0015] On the basis of the above technical solutions, the utility model further makes improvements as follows:
[0016] Further, the detection prompting unit comprises an infrared distance sensor and a buzzer, the infrared distance sensor is arranged on the back of the door body, the buzzer is arranged on the top of the door frame, and the buzzer is electrically connected with the infrared distance sensor through the control unit.
[0017] Further, the control unit comprises a controller and a time delay device, the controller and the time delay device are arranged on the top of the door frame, the buzzer is electrically connected with the infrared distance sensor through the controller, the infrared distance sensor is electrically connected with the controller, and the time delay device is electrically connected with the infrared distance sensor through the controller.
[0018] Further, the magnetic attraction unit comprises an electromagnetic door stopper and an iron block, the electromagnetic door stopper is arranged on the top of the door frame, an electromagnet is arranged in the electromagnetic door stopper, the iron block is arranged in the top of the door body, the electromagnetic door stopper is electrically connected with the infrared distance sensor through the controller, and the controller is electrically connected with the electromagnetic door stopper through the time delay device.
[0019] Further, the power modules are electrically connected with the infrared distance sensor, the controller, the buzzer, the time delay device and the electromagnetic door stopper.
[0020] Further, the top of the door body is provided with a mounting groove, a spacer sleeve is arranged in the mounting groove, and the iron block is arranged in the spacer sleeve and flush with the top of the door body.
[0021] Further, the electromagnetic door stopper is located at a corner of the top of the door frame, and the iron block is located at a corner of the top of the door body.
[0022] The utility model discloses beneficial effects:
[0023] 1、 through setting power module, detection prompting unit, control unit and magnetic attraction unit combination, when being in emergency situation, need door body delay closing, through utilizing detection prompting unit to detect whether the position of the open door body is in place and prompt operator, and feed back signal to control unit, and after control unit receives feedback signal, control magnetic attraction unit operation, to realize the delay closing operation on the open door body.
[0024] 2、 through setting the door closer, under normal circumstances, after the door body is pushed open to make personnel enter, the door closer will pull the door body and automatically close in the door frame, so that the door body realizes open and close. DRAWINGS
[0025] The utility model can further illustrate through the non - limited embodiment shown in the drawings;
[0026] Figure 1 For the structure of the security door of the utility model for increasing emergency extension time Figure 1 ;
[0027] Figure 2 For the structure of the security door of the utility model for increasing emergency extension time Figure 2 ;
[0028] Figure 3 For the structure of the security door of the utility model for increasing emergency extension time Figure 3 ;
[0029] Figure 4 For the partial assembly structure diagram of the security door of the utility model for increasing emergency extension time;
[0030] Figure 5 For the circuit block diagram of the security door of the utility model for increasing emergency extension time.
[0031] The drawings are marked as follows:
[0032] 101, door frame;102, hinge;103, door body;2, door closer;3, infrared distance sensor;4, controller;5, buzzer;6, time delay;701, electromagnetic door stopper;702, electromagnet;801, mounting groove;802, spacer;803, iron block. DETAILED DESCRIPTION
[0033] As Figures 1-5 shown, a security door for increasing emergency extension time, comprising:
[0034] Door frame 101 and door body 103 hingedly arranged inside door frame 101 through hinge 102, the set door body 103 can be turned around hinge 102;
[0035] Door closer 2, door closer 2 is arranged between door frame 101 and the top of door body 103, the set door closer 2 model is TS1000C, it is suitable for one-way door, the maximum door width is 950mm, it is applicable to right opening door and left opening door, need not adjust;Through the setting door closer 2, after the door body 103 is pushed open to make personnel enter under normal circumstances, door closer 2 will pull door body 103 and automatically close in door frame 101, so that door body 103 reaches the purpose of opening and closing;
[0036] Referring to Figure 1 、 Figure 2 and Figure 5, detection prompting unit, detection prompting unit is arranged on door frame 101 and door body 103, detection prompting unit includes infrared distance sensor 3 and buzzer 5, infrared distance sensor 3 is arranged on the back of door body 103, the model of the arranged infrared distance sensor 3 is GP2Y0A21YK0F, which adopts triangulation principle, and the output voltage is proportional to the detection distance, which is suitable for short distance (10-80cm) measurement;Infrared distance sensor 3 is used to detect the distance between the side wall and the infrared distance sensor 3 on the back of door body 103 during the opening process of door body 103, when door body 103 is opened, the distance signal detected by infrared distance sensor 3 when door body 103 is parallel to the side wall is fed back to controller 4;
[0037] Buzzer 5 is arranged at the top of door frame 101, buzzer 5 is electrically connected with infrared distance sensor 3 through control unit, the model of the arranged buzzer 5 is 12060, which can meet the application of different environments, and sound is generated according to the external square wave signal, and the sound frequency can be determined by the external driving signal;During the opening process of door body 103, when infrared distance sensor 3 detects the distance signal when door body 103 is parallel to the side wall, the distance signal is fed back to controller 4, when controller 4 receives the distance signal when door body 103 is parallel to the side wall detected by infrared distance sensor 3, buzzer 5 will stop after emitting several drop sounds to remind the operator that door body 103 is opened to the set position;
[0038] Control unit, control unit is arranged on door frame 101, control unit includes controller 4 and delay timer 6, controller 4 and delay timer 6 are arranged at the top of door frame 101, buzzer 5 is electrically connected with infrared distance sensor 3 through controller 4, infrared distance sensor 3 is electrically connected with controller 4, delay timer 6 is electrically connected with infrared distance sensor 3 through controller 4;The model of the arranged controller 4 is ArduinoMEcA microcontroller;The model of delay timer 6 is ST3PF, which is a delay timer of OUGUANG Electrical Group Co., Ltd.;When controller 4 receives the distance signal when door body 103 is parallel to the side wall fed back by infrared distance sensor 3, controller 4 controls the operation of magnetic attraction unit and the start of delay timer 6 timing;
[0039] Referring to Figures 2-5, magnetic unit, the magnetic unit is arranged between the door frame 101 and the top of the door body 103, the magnetic unit comprises an electromagnetic door suction 701 and an iron block 803, the electromagnetic door suction 701 is arranged at the top of the door frame 101, an electromagnet 702 is arranged in the electromagnetic door suction 701, the iron block 803 is arranged in the top of the door body 103, the electromagnetic door suction 701 is electrically connected with the infrared distance sensor 3 through the controller 4, when the controller 4 receives the distance signal that the infrared distance sensor 3 feeds back when the door body 103 is parallel to the side wall, the controller 4 controls the electromagnetic door suction 701 to be powered on, the electromagnet 702 generates magnetism after the electromagnetic door suction 701 is powered on, at this time, the electromagnet 702 generating magnetism and the iron block 803 are tightly magnetically combined together, so that the door body 103 opened to the position is fixed, and the door body 103 is prevented from being automatically pulled back to close by the door closer 2;
[0040] When the controller 4 receives the distance signal that the infrared distance sensor 3 feeds back when the door body 103 is parallel to the side wall, the controller 4 controls the electromagnetic door suction 701 to be powered on to make the electromagnet 702 generate magnetism and the iron block 803 tightly magnetically combined together, and at the same time, the controller 4 controls the delay timer 6 to start timing, when the delay time value set in the delay timer 6 is reached, the controller 4 controls the electromagnetic door suction 701 to be powered off, so that the electromagnet 702 loses magnetism, that is, the electromagnet 702 and the iron block 803 lose magnetism and are separated, at this time, the door closer 2 can automatically pull the door body 103 back to close.
[0041] When the infrared distance sensor 3 detects the distance signal that the door body 103 is parallel to the side wall during the opening of the door body 103, the distance signal is fed back to the controller 4, at this time, when the controller 4 receives the distance signal that the infrared distance sensor 3 detects when the door body 103 is parallel to the side wall, the controller 4 controls the electromagnetic door suction 701 to be powered on, the electromagnet 702 generates magnetism after the electromagnetic door suction 701 is powered on, at this time, the electromagnet 702 generating magnetism and the iron block 803 are tightly magnetically combined together, so that the door body 103 opened to the position is fixed, and the door body 103 is prevented from being automatically pulled back to close by the door closer 2; at the same time, the controller 4 controls the delay timer 6 to start timing, when the delay time value set in the delay timer 6 is reached, the delay timer 6 feeds back the timing signal to the controller 4, at this time, the controller 4 controls the electromagnetic door suction 701 to be powered off, so that the electromagnet 702 loses magnetism, that is, the electromagnet 702 and the iron block 803 lose magnetism and are separated, at this time, the door closer 2 can automatically pull the door body 103 back to close, so that the door body 103 opened can finally realize the delay closing operation.
[0042] Power module, the power module is electrically connected with the infrared distance sensor 3, the controller 4, the buzzer 5, the delay timer 6 and the electromagnetic door suction 701, and is used for power supply of the infrared distance sensor 3, the controller 4, the buzzer 5, the delay timer 6 and the electromagnetic door suction 701;
[0043] The top of the door body 103 is provided with a mounting groove 801, a partition sleeve 802 is arranged in the mounting groove 801, and an iron block 803 is arranged in the partition sleeve 802 and the top of the iron block 803 is flush with the top of the door body 103, and the mounting groove 801 and the partition sleeve 802 are arranged for mounting the iron block 803 in the top of the door body 103.
[0044] The electromagnetic door stopper 701 is located at a corner of the top of the door frame 101, and the iron block 803 is located at a corner of the top of the door body 103, so that when the door body 103 is parallel to the side wall, the electromagnetic door stopper 701 is located directly above the iron block 803.
[0045] The utility model is introduced in detail above. The description of the specific embodiment is only used for helping understanding the method and the core idea of the utility model. It should be pointed out that for the ordinary skilled in the art, on the premise of not departing from the principle of the utility model, the utility model can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the utility model claim.
Claims
1. A security door for increasing the emergency prolongation time, characterized in that: The application relates to a door closing device. The door closing device comprises a door frame (101), a door body (103) hinged to the door frame (101) by a hinge (102), a door closer (2) arranged between the door frame (101) and the top of the door body (103), a detection prompting unit arranged on the door frame (101) and the door body (103), a control unit arranged on the door frame (101), a magnetic attraction unit arranged between the door frame (101) and the top of the door body (103), and a power module for supplying power to the detection prompting unit, the control unit and the magnetic attraction unit. The detection prompting unit is used for detecting the open position of the door body (103) and prompting an operator, and feeding a signal to the control unit. The control unit controls the magnetic attraction unit to operate to realize the delayed closing operation of the open door body (103) after receiving the signal. The detection prompting unit comprises an infrared distance sensor (3) arranged on the back of the door body (103) and a buzzer (5) arranged on the top of the door frame (101). The control unit comprises a controller (4) and a time delay device (6), both arranged on the top of the door frame (101). The magnetic attraction unit comprises an electromagnetic door closer (701) and an iron block (803). The power module is electrically connected with the infrared distance sensor (3), the controller (4), the buzzer (5), the time delay device (6) and the electromagnetic door closer (701).
2. The security door of claim 1, wherein: The top of the door body (103) is provided with a mounting groove (801), the mounting groove (801) is provided with a spacer sleeve (802), and the iron block (803) is arranged in the spacer sleeve (802) and flush with the top of the door body (103).
3. The security door of claim 2, wherein: The electromagnetic door closer (701) is arranged at a corner of the top of the door frame (101), and the iron block (803) is arranged at a corner of the top of the door body (103).
4. The security door of claim 3, wherein: 5. The security door of claim 4, wherein: 6. The security door of claim 4, wherein: 7. The security door of claim 4, wherein: