Building security access control equipment

Abstract

The utility model discloses building security access control equipment, which belongs to the technical field of access control systems and comprises an access control machine, a display screen is mounted on one side wall of the access control machine, and an infrared distance sensor is fixed on one side, where the display screen is positioned, of the access control machine. An operation opening is formed in the bottom of the side, where the infrared distance sensor is located, of the access control machine, a fingerprint collection plate is installed on the bottom wall of the operation opening, the technical principle that the fingerprint collection plate conducts fingerprint collection and the working principle of the access control machine are both the prior art, and a side edge groove is formed in the side, facing the interior of the access control machine, of the operation opening. And a controller and an electric telescopic rod are installed in the side edge groove, one end of the electric telescopic rod is connected with a protective cover capable of stretching into the operation opening, and therefore the operation opening can be conveniently sealed through the protective cover. The building security access control equipment achieves the effects of automatic dust prevention, automatic fingerprint and grease cleaning and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of door access control systems, and in particular relates to a building security door access control device. Background Art

[0002] The access control system is a digital access control system that can control the entry and exit of personnel, as well as the behavior of personnel in buildings and sensitive areas, and accurately record and statistically manage data. The access control system solves the security issues of important places such as enterprises, schools, communities, offices, etc. The designated equipment of the access control system usually refers to control devices installed at the door of the building, elevator, etc., such as access controllers, password keyboards, etc.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: the designated equipment of the current access control system basically does not have the dust prevention and automatic cleaning functions for the fingerprint collection plate, resulting in a large amount of dust, fingerprints, grease, etc. attached to the fingerprint collection plate after a long period of use.

[0004] To this end, we propose a building security access control device to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a building security access control device, which realizes the effects of automatic dust prevention, automatic cleaning of fingerprints and grease, etc., and can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A building security access control device comprises an access control machine, a display screen is installed on one side wall of the access control machine, wherein the access control machine is also fixed with an infrared distance sensor on the side where the display screen is located, wherein an operation port is formed at the bottom of the access control machine on the side where the infrared distance sensor is located, and a fingerprint collection board is installed on the bottom wall of the operation port, wherein the technical principle of fingerprint collection by the fingerprint collection board and the working principle of the access control machine are both existing technologies;

[0008] A side groove is formed on one side of the operation port toward the inside of the access control machine, and a controller and an electric telescopic rod are installed in the side groove, wherein one end of the electric telescopic rod is connected to a protective cover that can be inserted into the operation port, so that the operation port can be closed by the protective cover, and the infrared distance sensor and the electric telescopic rod are both electrically connected to the controller;

[0009] An installation groove is formed on the other side of the operating port toward the inside of the access control machine, and a servo motor is fixed in the installation groove, wherein the output shaft of the servo motor is coaxially connected with a screw rod, a slider is threadedly sleeved on the screw rod, and the slider is fitted with the inner wall of the installation groove, so that the slider can translate along with the inner wall of the installation groove when the screw rod is running, and a cleaning cotton is fixedly bonded to the bottom wall of the slider, and when the cleaning cotton enters the operating port, it can contact the fingerprint collection plate, thereby facilitating the wiping of the fingerprint collection plate.

[0010] As a preferred implementation scheme, four positioning blocks are fixedly welded on the side wall of the access control machine facing away from the display screen, and threaded holes are tapped in the horizontal direction on the four positioning blocks. During actual installation, the side of the four positioning blocks facing away from the access control machine is attached to the fixing facility. By installing bolts on the fixing facility and passing the bolts through the threaded holes of the positioning blocks, the access control machine can be fixed on the fixing facility. The fixing facility can be made of vertical steel plates or other materials.

[0011] As a preferred embodiment, an outer groove is opened on the side of the access control machine where the display screen is located, wherein the infrared distance sensor is installed in the outer groove; so that the infrared distance sensor can monitor the front of the access control machine. When a person appears within the monitoring range of the infrared distance sensor, the infrared distance sensor detects that the distance between the object in front of it and itself is shortened, thereby transmitting an electrical signal to the controller.

[0012] As a preferred implementation scheme, the electric telescopic rod is arranged horizontally, and the side of the electric telescopic rod facing away from the protective cover is connected to the inner wall of the side groove, and the four side walls of the protective cover are all in contact with the inner wall of the side groove; so that the electric telescopic rod can drive the protective cover to move horizontally when it is extended or retracted.

[0013] As a preferred implementation scheme, a partition is fixedly installed in the installation groove, and the servo motor is horizontally installed on the partition, so that the servo motor structure remains stable. At the same time, the servo motor needs to be powered by external power facilities.

[0014] In summary, the technical effects and advantages of the utility model are as follows:

[0015] When an object appears within the monitoring range of the infrared distance sensor of this building security access control equipment, the distance it monitors will change continuously, indicating that someone is approaching. At this time, it transmits an electrical signal to the controller, causing the controller to drive the protective cover to open automatically, making it easier for people to enter fingerprints. At the same time, it has a dust-proof effect on the fingerprint collection board and can also drive the servo motor to run regularly, so that the cleaning cotton can automatically wipe and clean the fingerprint collection board to remove dust, fingerprints, grease, etc., thereby avoiding contamination when people enter fingerprints. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of one side of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the other side of the utility model;

[0018] Figure 3 It is a partial horizontal cross-sectional view of the utility model;

[0019] Figure 4 It is a partial vertical cross-sectional view of the utility model.

[0020] In the figure: 1. Access control machine; 2. Positioning block; 3. Display screen; 4. External slot; 5. Infrared distance sensor; 6. Operation port; 7. Fingerprint collection board; 8. Side slot; 9. Controller; 10. Electric telescopic rod; 11. Protective cover; 12. Installation slot; 13. Partition; 14. Servo motor; 15. Screw; 16. Slider; 17. Cleaning cotton. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-Figure 4 , a building security access control device, including an access control machine 1, four positioning blocks 2 are fixedly welded on a side wall of the access control machine 1 facing away from a display screen 3, wherein the four positioning blocks 2 are all tapped with threaded holes in a horizontal direction. During actual installation, the four positioning blocks 2 are attached to a fixing facility on the side facing away from the access control machine 1, and the access control machine 1 can be fixed to the fixing facility by installing bolts on the fixing facility and passing the bolts through the threaded holes of the positioning blocks 2. The fixing facility can be made of a vertical steel plate or other material, and a display screen 3 is installed on one side wall of the access control machine 1;

[0023] An infrared distance sensor 5 is also fixed on the side where the display screen 3 is located on the access control machine 1. An outer groove 4 is provided on the side where the display screen 3 is located on the access control machine 1. The infrared distance sensor 5 is installed in the outer groove 4, so that the infrared distance sensor 5 can monitor the front of the access control machine 1. When a person appears within the monitoring range of the infrared distance sensor 5, the infrared distance sensor 5 detects that the distance between the object in front of it and itself is shortened. An operation port 6 is formed at the bottom of the access control machine 1 on the side where the infrared distance sensor 5 is located. A fingerprint collection board 7 is installed on the bottom wall of the operation port 6. The technical principle of fingerprint collection by the fingerprint collection board 7 and the working principle of the access control machine 1 are both existing technologies.

[0024] A side groove 8 is formed on one side of the operation port 6 toward the inside of the access control machine 1, and a controller 9 and an electric telescopic rod 10 are installed in the side groove 8, wherein one end of the electric telescopic rod 10 is connected to a protective cover 11 that can be inserted into the operation port 6, so that the operation port 6 can be easily closed by the protective cover 11, the electric telescopic rod 10 is horizontally arranged, and the side of the electric telescopic rod 10 facing away from the protective cover 11 is connected to the inner wall of the side groove 8, and the four side walls of the protective cover 11 are all in contact with the inner wall of the side groove 8, so that the electric telescopic rod 10 can drive the protective cover 11 to move horizontally when it is extended and retracted. The infrared distance sensor 5 and the electric telescopic rod 10 are both electrically connected to the controller 9. The infrared distance sensor 5 can refer to the technical principle of the EX-14B model, and the controller 9 can refer to the technical principle of the S7-200 model;

[0025] A mounting groove 12 is formed on the other side of the operating port 6 toward the inside of the access control machine 1, a servo motor 14 is fixed in the mounting groove 12, a partition 13 is fixed in the mounting groove 12, the servo motor 14 is horizontally mounted on the partition 13, so that the structure of the servo motor 14 remains stable, and the servo motor 14 needs to be powered by external power facilities, wherein the output shaft of the servo motor 14 is coaxially connected with a screw rod 15, a slider 16 is threadedly sleeved on the screw rod 15, and the slider 16 is fitted with the inner wall of the mounting groove 12, so that the slider 16 can translate along with the inner wall of the mounting groove 12 when the screw rod 15 is running, and a cleaning cotton 17 is fixedly bonded to the bottom wall of the slider 16, and when the cleaning cotton 17 enters the operating port 6, it can contact the fingerprint collection plate 7, thereby facilitating wiping the fingerprint collection plate 7.

[0026] The building security access control device: when installing, four positioning blocks 2 are attached to corresponding fixing facilities (usually plates such as steel plates in a vertical state), four bolts are horizontally installed on the side of the fixing facilities facing away from the positioning blocks 2, and the bolts are passed through the fixing facilities and then into the four positioning blocks 2, and the access control machine 1 is fixed so that the access control machine 1 is in a hanging state; when in use (before use, the protective cover 11 will completely close the opening of the operating port 6), the infrared distance sensor 5 monitors in real time whether there is a person approaching in front of it. When a person approaches, the distance between the object in front of it detected by the infrared distance sensor 5 changes (shortened), and at this time, the infrared distance sensor 5 transmits an electrical signal to the controller 9, so that the controller 9 drives the electric telescopic rod 10 The protective cover 11 retracts into the side groove 8, so that the person can reach into the operation port 6 and collect fingerprints on the fingerprint collection plate 7, so that the access control machine 1 automatically unlocks the door. When the person leaves, the distance between the objects in the monitoring range of the infrared distance sensor 5 and its own distance remains unchanged (and lasts for 10s). At this time, the controller 9 drives the electric telescopic rod 10 to extend, so that the protective cover 11 recloses the operation port 6; it is also necessary to regularly drive the servo motor 14 to drive the screw 15 to operate, so that the slider 16 gradually enters the operation port 6, and the cleaning cotton 17 wipes the surface of the fingerprint collection plate 7 to realize automatic cleaning of the fingerprint collection plate 7. After cleaning, the slider 16 and the cleaning cotton 17 re-enter the installation slot 12.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A building security access control device, comprising an access control machine (1), characterized in that: A display screen (3) is installed on one side wall of the access control machine (1), wherein an infrared distance sensor (5) is fixed to the access control machine (1) on the side where the display screen (3) is located, an operation port (6) is formed at the bottom of the access control machine (1) on the side where the infrared distance sensor (5) is located, and a fingerprint collection plate (7) is installed on the bottom wall of the operation port (6); A side groove (8) is formed on one side of the operation port (6) toward the interior of the access control machine (1), a controller (9) and an electric telescopic rod (10) are installed in the side groove (8), one end of the electric telescopic rod (10) is connected to a protective cover (11), and the infrared distance sensor (5) and the electric telescopic rod (10) are both electrically connected to the controller (9); The other side of the operation port (6) is formed with a mounting groove (12) facing the interior of the access control machine (1), and a servo motor (14) is fixed in the mounting groove (12), wherein the output shaft of the servo motor (14) is coaxially connected with a screw rod (15), a slider (16) is threadedly sleeved on the screw rod (15), and the slider (16) is in contact with the inner wall of the mounting groove (12), and a cleaning cotton (17) is fixedly bonded to the bottom wall of the slider (16).

2. A building security access control device according to claim 1, characterized in that: Four positioning blocks (2) are fixedly welded to a side wall of the access control machine (1) facing away from the display screen (3), wherein the four positioning blocks (2) are all provided with threaded holes in the horizontal direction.

3. A building security access control device according to claim 1, characterized in that: The access control machine (1) is provided with an outer groove (4) on the side where the display screen (3) is located, wherein the infrared distance sensor (5) is installed in the outer groove (4).

4. The building security access control device according to claim 1, characterized in that: The electric telescopic rod (10) is arranged horizontally, and the side of the electric telescopic rod (10) facing away from the protective cover (11) is connected to the inner wall of the side groove (8), and the four side walls of the protective cover (11) are all in contact with the inner wall of the side groove (8).

5. The building security access control device according to claim 1, characterized in that: A partition plate (13) is fixedly installed in the installation groove (12), and the servo motor (14) is horizontally installed on the partition plate (13).

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