Induction door opening device
By combining infrared sensors and touch sensors, the problem of misjudgment in the presence of multiple people or objects in the sensor-activated door opening device is solved, achieving accurate user identification and secure unlocking.
Patent Information
- Application Number
- CN202520077460.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing sensor door opening devices are prone to misjudgment when sensing multiple people or objects simultaneously, leading to incorrect door opening and failing to achieve accurate user identification, thus posing a security risk.
By combining infrared sensors and touch sensors, the lock can only be opened when both the touchpad and the infrared sensor receive signals simultaneously, thus enhancing the accuracy and security of identity recognition.
This effectively prevents accidental unlocking, improves the accuracy and security of opening the door, and ensures that only authorized users can open the door.
Smart Images
Figure CN223679684U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a door opening device field, specifically an induction door opening device. BACKGROUND
[0002] The induction door opening device is a device based on wireless communication technology, mainly used for realizing access control and security protection. Its main function is to realize automatic access control by inducting specific users or objects, and to improve the security protection level.
[0003] Although the induction door opening device has been widely used in many occasions, there are still some defects in the prior art. For example, if multiple people or objects are inducted at the same time, it may cause misjudgment, resulting in door opening error. In addition, for the identity recognition of the user, the existing induction door opening device can only be realized by simple distance and direction judgment, and more accurate user identity recognition cannot be realized, which is also a security risk. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an induction door opening device to solve the problems in the above background technology, which has the advantages of preventing false touch.
[0005] To achieve the above object, the utility model provides the following technical scheme: an induction door opening device, comprising a shell, a through groove penetrating through the shell is arranged in the middle part of the shell, a touch plate is clamped in the through groove, an infrared induction plate is installed on one side of the touch plate, an infrared sensor is arranged on the infrared induction plate, an L-shaped plate is integrally connected to the side of the touch plate, a semicircular groove penetrating through the L-shaped plate is arranged at one end of the L-shaped plate, a threaded block in the semicircular groove is integrally connected to the shell, and the infrared induction plate and the threaded block are screw-connected through a threaded rod.
[0006] By adopting the above technical scheme, when the lock needs to be opened, the hand needs to be inserted into the through groove to touch the touch plate, and then the other part of the hand needs to be close to the infrared induction plate within 3cm or touch the infrared induction plate. The infrared sensor is used for induction. Only when the touch plate and the infrared induction plate receive signals at the same time, the lock can be opened, so as to avoid false touch.
[0007] As a further scheme of the utility model, a supporting plate is integrally connected to one side of the L-shaped plate on the side of the threaded block.
[0008] By adopting the above technical scheme, the supporting plate can enhance the supporting effect on the L-shaped plate.
[0009] As a further scheme of the utility model: the side of the shell is provided with a switch slot, the shell is integrally connected with two first limit plates and two second limit plates in the switch slot, the side of the first limit plate and the second limit plate is integrally connected with a limit block, the shell is connected with a switch body, the side of the switch body is provided with an annular groove for accommodating the limit block, the side of the switch body is integrally connected with a positioning block on the side of the second limit plate, the length of the first limit plate is greater than the length of the second limit plate.
[0010] By adopting the above technical scheme, the rotation of the switch body will drive the rotation of the positioning block, and the rotation of the positioning block will be stopped after reaching the first limit plate, and the limit block is in the annular groove, and the stability of the rotation of the switch body is increased by the limitation of the annular groove.
[0011] As a further scheme of the utility model: the side of the shell is provided with an identification.
[0012] By adopting the above technical scheme, the identification plays an indicating role for the technical personnel.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] When unlocking is needed, the hand needs to be inserted into the through slot to touch the touch plate, and then the other parts of the hand touch the infrared induction plate, and the infrared induction device is used for sensing, only when the touch plate and the infrared induction plate work at the same time, the unlocking operation can be performed, so that the purpose of avoiding accidental touch is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a constitutive frame diagram of the utility model sensing door opening device;
[0016] Figure 2 It is a control circuit constitutive diagram in the utility model sensing door opening device;
[0017] Figure 3 It is a working principle block diagram of the utility model sensing door opening device;
[0018] Figure 4 It is a structure diagram of the embodiment;
[0019] Figure 5 It is a side structure diagram of the embodiment;
[0020] Figure 6 It is a structure diagram of the embodiment after removing a part of the shell;
[0021] Figure 7 It is Figure 6 It is a structure diagram after removing the infrared induction plate;
[0022] Figure 8 For Figure 7 A local enlarged view of the middle A region;
[0023] Figure 9 A structural schematic view after removing a part of the shell for an embodiment;
[0024] Figure 10 For Figure 9 A local enlarged view of the middle B region.
[0025] In the figure: 1, shell; 2, through slot; 3, touch plate; 4, infrared induction plate; 5, infrared sensor; 6, L-shaped plate; 7, semicircular groove; 8, threaded block; 9, support plate; 10, switch groove; 11, first limiting plate; 12, second limiting plate; 13, limiting block; 14, switch body; 15, annular groove; 16, positioning block; 17, logo. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0027] In the embodiments of the present application,
[0028] An induction door opening device, as Figures 4-10 shown, comprising a shell 1, a through slot 2 penetrating through the shell 1 is arranged in the middle of the shell 1, a touch plate 3 is clamped to the through slot 2, an infrared induction plate 4 is installed on one side of the touch plate 3, an infrared sensor 5 is arranged on the infrared induction plate 4, an L-shaped plate 6 is integrally connected to the side of the touch plate 3, a semicircular groove 7 penetrating through the L-shaped plate 6 is arranged at one end of the L-shaped plate 6, a threaded block 8 in the semicircular groove 7 is integrally connected to the shell 1, and the infrared induction plate 4 and the threaded block 8 are screw-connected through a threaded rod.
[0029] A support plate 9 on one side of the L-shaped plate 6 is integrally connected to the side of the threaded block 8.
[0030] The shell 1 is provided with a switch slot 10 on one side, the shell 1 is integrally connected with two first limiting plates 11 and two second limiting plates 12 in the switch slot 10, the first limiting plate 11 and the second limiting plate 12 are integrally connected with a limiting block 13 on one side, the shell 1 is clamped with a switch body 14, the switch body 14 is provided with an annular groove 15 for accommodating the limiting block 13 on one side, the switch body 14 is integrally connected with a positioning block 16 on one side of the second limiting plate 12, and the length of the first limiting plate 11 is greater than that of the second limiting plate 12.
[0031] The shell 1 is provided with a mark 17 on one side.
[0032] Working principle:
[0033] When the lock needs to be opened, the hand needs to be inserted into the through slot 2 to touch the touch plate 3, and then the other part of the hand touches the infrared induction plate 4, and the infrared induction plate 4 is used for sensing. Only when the touch plate 3 and the infrared induction plate 4 work at the same time, the lock can be opened, so as to avoid the purpose of accidental touch.
[0034] Figure 1 It is a constituting frame schematic view of the present application, Figure 2 It is a control circuit constituting schematic view in the present application, Figure 1 , Figure 2 In the present application, at least including, control circuit, infrared induction sensor and touch sensor, the infrared induction sensor and the touch sensor are electrically connected with the control circuit, the control circuit is used for controlling the infrared induction sensor and the touch sensor, the infrared induction sensor is used for sensing human signal, and the touch sensor is used for sensing human touch signal.
[0035] The control circuit includes a controller, an actuator, an access control device and a power module connected by electricity, the controller is used for receiving the signal sent by the infrared induction sensor, judging whether the access control device needs to be opened, the actuator is used for the instruction of the controller, the access control device is used for managing the opening and closing of the door, and the power module is used for power supply of the sensing door opening device.
[0036] The infrared induction sensor and the touch sensor can send the detected personnel movement signal to the controller in a wired or wireless mode. After the controller receives the signal of the infrared induction sensor and the touch sensor, whether the door needs to be opened is judged according to the preset logic. If the door needs to be opened, the controller will send a signal to the actuator to command it to open the door. The controller can obtain the state information of the door, such as the opening or closing state of the door, and the locking state of the door, through communication with the access control device. At the same time, the controller can also receive the instruction of the access control device, such as setting the opening and closing time of the door.
[0037] The infrared sensor is responsible for detecting the approach of the human body. The touch sensor is responsible for detecting the touch action of the human body. The sensor usually adopts the principle of capacitive sensing. When the human body approaches the sensor, the capacitance value of the sensor changes, thereby triggering the output signal of the sensor. In the induction door opening control circuit, the sensor can be installed on the edge of the door or the door frame to detect the approach of the human body.
[0038] A microcontroller is a highly integrated microcomputer that combines a processor, memory, input / output (I / O) interfaces, and flash memory or ROM for program storage. In specific implementation, the controller is a microcontroller or a single-chip microcomputer. The microcontroller includes any one of Arduino, Raspberry Pi, STM32, PIC, and MSP430. Arduino is a very popular open-source microcontroller that uses an easy-to-learn programming language and has rich development resources and community support. Raspberry Pi is a Linux-based microcomputer that has powerful processing capabilities and rich interfaces. STM32 is a 32-bit microcontroller from STMicroelectronics (STMicroelectronics) that has high performance, low power consumption, and easy programming. PIC is an 8-bit microcontroller from Microchip that has a simple and easy-to-use programmer and an easy-to-learn programming language. MSP430 is a super-low-power 16-bit microcontroller from Texas Instruments (Texas Instruments) that has a high-efficiency instruction set and extremely low power consumption. MSP430 is suitable for applications that require long standby and battery power.
[0039] Single-Chip Microcomputer, is a kind of integrated circuit chip, which contains processor core, memory, programmable input / output peripherals, etc. In specific implementation, the single-chip microcomputer includes but is not limited to any one of the Intel 8051 series, Atmel AVR series, PHILIPS 8052 series, MOTOROLA 68HC08 series, STMicroelectronics STM32 series. Intel 8051 is a classic 8-bit single-chip microcomputer, which has the characteristics of simplicity, ease of use and high efficiency. It adopts CISC (Complex Instruction Set Computer) architecture, has 128 bytes of RAM, 21 special function registers and 8 parallel ports. In addition, the 8051 single-chip microcomputer also supports multiple interrupt sources and timers. AVR single-chip microcomputer is a series of 8-bit single-chip microcomputers launched by Atmel Company, which has the characteristics of high performance, low power consumption and high reliability. AVR adopts RISC (Reduced Instruction Set Computer) architecture, which has faster instruction speed and rich peripheral and memory resources. PHILIPS 8052 is a series of 8-bit single-chip microcomputers launched by PHILIPS Company, which has the characteristics of high speed, low power consumption and high performance. It adopts CISC architecture, has 256 bytes of RAM, 21 special function registers and 8 parallel ports. In addition, the 8052 single-chip microcomputer also supports multiple interrupt sources and timers. MOTOROLA 68HC08 is a series of 8-bit single-chip microcomputers launched by MOTOROLA Company, which has the characteristics of high performance, low power consumption and high reliability. It adopts CISC architecture, has 256 bytes of RAM, 4 special function registers and 8 parallel ports. 68HC08 single-chip microcomputer also supports multiple interrupt sources and timers. STM32 single-chip microcomputer is a series of 32-bit single-chip microcomputers launched by STMicroelectronics Company, which has the characteristics of high performance, low power consumption and high reliability. It adopts ARM Cortex-M series processor kernel, has rich peripheral and memory resources, and is suitable for various embedded applications. STM32 single-chip microcomputer supports multiple communication interfaces (such as I2C, SPI, UART, etc.) and development tools (such as Keil, IAR, etc.), which is convenient for developers to quickly develop and debug projects. There are many other types of single-chip microcomputers to choose from, such as PIC series, MSP430 series, NXP PCF8500 series, etc. It should be noted that the selection of appropriate single-chip microcomputers needs to consider application scenarios, performance requirements, cost budget, etc.
[0040] In specific implementation, the actuator can be an electric door machine or a motor for opening and closing the door.
[0041] In specific implementation, the access control device can include a card reader, and can also include a fingerprint recognizer.
[0042] The power module is responsible for providing stable DC power for the entire power module. It is usually converted from mains through a switching power supply to provide the required power for other components. In the induction door control circuit, the power module needs to have the characteristics of stable output, high efficiency, high reliability, etc. to ensure the normal work of the entire power module.
[0043] In specific implementation, the power module includes an input circuit, a rectifier circuit, a filter circuit, a voltage stabilizing circuit and an output circuit connected by electricity.
[0044] The function of the input circuit is to convert AC power into DC power suitable for the rectifier circuit. It can include a power switch, a fuse and a filter. The power switch is used to control the switching of the power module, the fuse is used to protect the power module from overcurrent damage, and the filter is used to reduce the interference of the power module to the power grid.
[0045] The rectifier circuit is the core part of the power module, and its function is to convert AC power into DC power. It can use a diode rectifier or a bridge rectifier to realize rectification. The diode rectifier can be composed of one or more diodes, and the bridge rectifier can be composed of four rectifier diodes in a bridge structure.
[0046] The function of the filter circuit is to reduce the AC component in the DC power and make it smoother. It can use a capacitor filter or an inductor filter to achieve it. The capacitor filter can be composed of one or more capacitors to absorb AC components, and the inductor filter can be composed of one or more inductors to block AC components.
[0047] The function of the voltage stabilizing circuit is to keep the output voltage stable so that it will not change due to load changes or power fluctuations. It can use a linear voltage regulator or a switching voltage regulator to achieve it. The linear voltage regulator adjusts the parameters of resistors, capacitors, etc. to keep the output voltage stable, and the switching voltage regulator controls the opening and closing time of the switch to keep the output voltage stable.
[0048] The function of the output circuit is to output the stabilized DC power to the load device. It can include an output socket and an output capacitor. The output socket is used to connect the load device, and the output capacitor is used to keep the output voltage stable.
[0049] Figure 3 is the working principle diagram of the induction door device of the utility model. As shown in Figure 3As shown, when the human body approaches the infrared sensor, the infrared sensor removes visible light and detects the presence of the human body, then outputs a signal. Alternatively, through the touch sensor, the human body touch action is sensed, and a signal is output. When the human body sensing signal or the touch signal is transmitted to the microcontroller through the connecting line, the microcontroller processes the signal according to the preset program and outputs the corresponding control instruction. After receiving the control instruction, the actuator such as the motor drives the access control device such as the door to open or close. At the same time, the microcontroller also controls the electronic control part of the door lock mechanism to perform the unlocking operation to ensure that the door can be smoothly opened. When the door is opened, the microcontroller continues to monitor the human body action and the door state, and adjusts the running speed and direction of the motor as needed to maintain the stable opening state of the door. Once the human body leaves the detection range of the sensor or the door needs to be closed, the microcontroller will issue the corresponding control instruction, and the actuator such as the motor will drive the door to close and lock. During the entire working process, the power module provides stable DC power to ensure that the inductive door opening device of the utility model works normally.
[0050] The utility model discloses a design through above embodiment, its beneficial effect is: through setting control circuit, infrared induction sensor and touch sensor, infrared induction sensor and touch sensor all are with control circuit through electric connection, control circuit is used for controlling infrared induction sensor and touch sensor, infrared induction sensor is used for sensing human body signal, and touch sensor is used for sensing human body touch signal;Control circuit includes the controller, actuator, access control device and power module through electric connection, and the controller is used for receiving the signal that infrared induction sensor sent, judges whether needing to open access control device, and actuator is used for the instruction of controller, and access control device is used for managing the opening and closing of door, and power module is used for the power supply of inductive door opening device;Through setting infrared induction sensor and touch sensor, the redundant selection of inductive, can simultaneously induct multiple people or objects, and inductive door opening is accurate, convenient, fast, and power supply is stable, can be universally applicable in security technology field.
[0051] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. An induction door opening device comprising a housing (1), characterized in that: The middle part of the shell (1) is provided with a through groove (2) penetrating the shell (1), the through groove (2) is clamped with a touch plate (3), one side of the touch plate (3) is provided with an infrared induction plate (4), the infrared induction plate (4) is provided with an infrared sensor (5), the side of the touch plate (3) is integrally connected with an L-shaped plate (6), one end of the L-shaped plate (6) is provided with a semicircular groove (7) penetrating the L-shaped plate (6), the shell (1) is integrally connected with a threaded block (8) in the semicircular groove (7), the infrared induction plate (4) and the threaded block (8) are connected through a threaded rod.
2. The inductive door opening device according to claim 1, characterized in that The side of the threaded block (8) is integrally connected with a supporting plate (9) on one side of the L-shaped plate (6).
3. The inductive door opening device of claim 1, wherein: One side of the shell (1) is provided with a switch groove (10), the shell (1) is integrally connected with two first limiting plates (11) and two second limiting plates (12) in the switch groove (10), one side of the first limiting plate (11) and the second limiting plate (12) is integrally connected with a limiting block (13), the shell (1) is clamped with a switch body (14), one side of the switch body (14) is provided with an annular groove (15) for accommodating the limiting block (13), one side of the switch body (14) is integrally connected with a positioning block (16) on one side of the second limiting plate (12), the length of the first limiting plate (11) is greater than the length of the second limiting plate (12).
4. The inductive door opening device of claim 1, wherein: One side of the shell (1) is provided with an identification (17).