Automatic elevator disinfection and sterilization system based on single chip microcomputer

Abstract

The utility model discloses an automatic elevator disinfection and sterilization system based on a single chip microcomputer, which comprises an elevator car, a control panel is fixedly connected to the inner wall of one side of the elevator car, two groups of infrared sensors are arranged in the elevator car, and an exhaust fan is arranged in the elevator car; human body induction is performed through the infrared probe in the elevator car, the whole system can stop disinfection immediately when people are effectively induced, and when the infrared sensor detects that no people exist, the ultraviolet disinfection lamp is turned on immediately to sterilize the interior of the elevator car; the whole system performs disinfection by controlling an ultraviolet disinfection lamp and spraying a disinfectant, disinfection is performed alternately, disinfection is more comprehensive, disinfection is performed once after the elevator is used every time, a ventilation system is triggered after disinfection and when the elevator is used, air in a space is circulated, and germ staying is reduced.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of automatic disinfection of elevators, and in particular to an automatic disinfection and sterilization system for elevators based on a single-chip microcomputer. Background Art

[0002] At present, although the domestic epidemic era can be said to have passed, people’s life safety and virus elimination are still the top priority and must not be slackened at any time, especially in places with dense crowds and closed environments, which are very likely to become high-risk places for the spread of other viruses at the same level as the new coronavirus.

[0003] As we all know, elevators are closely related to our work and life. However, the crowd structure in and out of elevators is complex, and there are a large number of floating populations. People come and go, and the environment is closed, which is most likely to become a gathering place for bacteria. Manual spraying of disinfectant not only has a strong smell and high labor costs, but also has a long disinfection cycle and cannot achieve timely disinfection. Therefore, there is an urgent need for an automatic disinfection and sterilization system for elevators based on a single-chip microcomputer to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an automatic disinfection and sterilization system for elevators based on a single-chip microcomputer.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The automatic disinfection and sterilization system for elevators based on a single-chip microcomputer comprises an elevator car, a control panel is fixedly connected to an inner wall of one side of the elevator car, an infrared sensor is arranged inside the elevator car, the number of the infrared sensors is two groups, and an exhaust fan is arranged inside the elevator car;

[0007] The exhaust fan comprises a motor arranged inside the elevator car, the output end of the motor is fixedly connected to a shaft sleeve, and the circumferential outer wall of the shaft sleeve is fixedly connected to fan blades distributed in a circle at equal distances;

[0008] The inner walls on both sides of the elevator car are fixedly connected with lamp holders, and the inner parts of the lamp holders are threadedly connected with ultraviolet disinfection lamps;

[0009] An alcohol disinfection sprayer is arranged on the top of the elevator car.

[0010] Furthermore, an installation groove is provided on an inner wall of one side of the elevator car, and the infrared sensor is embedded and installed inside the installation groove.

[0011] Furthermore, a circular groove is provided on the top inner wall of the elevator car, a fixing frame is fixedly connected to the circumferential inner wall of the circular groove, and the fixing frame is fixedly connected to the motor.

[0012] Furthermore, a fixed ring plate is fixedly connected to the top of the elevator car, and a dust cover is fixedly connected to the top of the fixed ring plate.

[0013] Furthermore, a liquid storage tank is fixedly connected to the top of the elevator car, alcohol is contained in the liquid storage tank, a first pump body is arranged inside the liquid storage tank, the first pump body is connected to a liquid guide tube, and one end of the liquid guide tube away from the first pump body is connected to the alcohol disinfection sprayer.

[0014] Furthermore, the alcohol disinfection sprayer includes a spherical shell, and the circumferential outer wall of the spherical shell is fixedly connected with nozzles that are equidistantly distributed in a circle.

[0015] Furthermore, a liquid replenishing tube is inserted into the liquid storage tank, a hose is provided at one end of the liquid replenishing tube away from the liquid storage tank, a positioning sleeve is fixedly connected to the inner wall of one side of the elevator car, and one end of the hose passes through the interior of the positioning sleeve.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model uses a single-chip microcomputer as the core control part to control the automatic disinfection system according to certain requirements. The system is designed with a single-chip microcomputer as the core controller, including a light-emitting diode display module, an infrared sensing module, an ultraviolet disinfection module, a control panel button module, a ventilation system, etc., which realizes timely elevator disinfection and air purification. The system is designed to be installed by wall-mounting, etc., and has the advantages of simple implementation, high efficiency, low cost and small space occupation.

[0018] 2. The utility model makes the disinfection system more in line with humanized planning through program control, so that the disinfection system can be carried out more reasonably. By sensing the human body through the infrared probe inside the elevator car, it can effectively sense the person and the whole system will stop disinfecting immediately. When the infrared sensor detects that there is no one, the ultraviolet disinfection lamp will be turned on immediately to sterilize the inside of the elevator car. The whole system disinfects by controlling the ultraviolet disinfection lamp and spraying disinfectant. The two disinfect alternately to make the disinfection more comprehensive. Disinfection is carried out after each use of the elevator. After the disinfection is completed and when the elevator is in use, the ventilation system is triggered to allow air to circulate in the space and reduce the retention of germs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall front structure of the single-chip microcomputer-based elevator automatic disinfection and sterilization system proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the planar structure of the automatic disinfection and sterilization system for elevators based on a single-chip microcomputer proposed by the utility model;

[0021] Figure 3This is a schematic diagram of the overall upward structure of the single-chip microcomputer-based elevator automatic disinfection and sterilization system proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the work flow structure of the single-chip microcomputer-based elevator automatic disinfection and sterilization system proposed by the utility model.

[0023] In the figure: 1. Elevator car; 2. Control panel; 3. Mounting slot; 4. Infrared sensor; 5. Dust cover; 6. Fixed ring plate; 7. Liquid replenishing tube; 8. Liquid storage tank; 9. Lamp holder; 10. Ultraviolet disinfection lamp; 11. Fan blades; 12. Bushing; 13. Liquid guide tube; 14. Alcohol disinfection sprayer; 1401. Spherical shell; 1402. Nozzle; 15. Hose; 16. Positioning sleeve; 17. Fixing bracket; 18. Round groove; 19. Motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. It should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0025] Reference Figure 1-Figure 4 , an automatic disinfection and sterilization system for elevators based on a single-chip microcomputer, comprising an elevator car 1, a control panel 2 is fixedly connected to an inner wall of one side of the elevator car 1, an infrared sensor 4 is arranged inside the elevator car 1, the number of the infrared sensors 4 is two groups, and an exhaust fan is arranged inside the elevator car 1;

[0026] The exhaust fan includes a motor 19 disposed inside the elevator car 1, the output end of the motor 19 is fixedly connected to a shaft sleeve 12, and the circumferential outer wall of the shaft sleeve 12 is fixedly connected to fan blades 11 that are equidistantly distributed in a circular shape;

[0027] The inner walls on both sides of the elevator car 1 are fixedly connected with lamp holders 9, and the inner threads of the lamp holders 9 are connected with ultraviolet disinfection lamps 10;

[0028] An alcohol disinfection sprayer 14 is provided on the top of the elevator car 1 .

[0029] An installation groove 3 is provided on one inner wall of the elevator car 1 , and the infrared sensor 4 is embedded and installed inside the installation groove 3 , thereby realizing a hidden installation of the infrared sensor 4 .

[0030] A circular groove 18 is formed on the inner wall of the top of the elevator car 1. A fixing frame 17 is fixedly connected to the inner wall of the circular groove 18. The fixing frame 17 is fixedly connected to the motor 19, which ensures that the motor 19 can always remain stable during operation.

[0031] A fixed ring plate 6 is fixedly connected to the top of the elevator car 1, and a dust cover 5 is fixedly connected to the top of the fixed ring plate 6, so as to prevent dust from being sucked into the interior of the elevator car 1 when the exhaust fan is working.

[0032] A liquid storage tank 8 is fixedly connected to the top of the elevator car 1, and alcohol is contained in the liquid storage tank 8. A first pump body is arranged inside the liquid storage tank 8, and the first pump body is connected to a liquid guide tube 13. The end of the liquid guide tube 13 away from the first pump body is connected to an alcohol disinfection sprayer 14.

[0033] The alcohol disinfection sprayer 14 includes a spherical shell 1401, and the circumferential outer wall of the spherical shell 1401 is fixedly connected with nozzles 1402 distributed in a circle at equal distances. It is made based on the principle of high flow rate and low pressure, so that air can flow out quickly from the small holes of the nozzles 1402. The pressure near the small holes is small, and the air pressure above the liquid surface in the spherical shell 1401 is strong. The liquid rises along the thin tube under the small hole, and after flowing out from the upper mouth of the thin tube, it is sprayed into mist after being impacted by the airflow, so that the interior of the elevator car 1 can be more comprehensively sprayed with alcohol for disinfection.

[0034] A liquid replenishing tube 7 is inserted into the liquid storage tank 8, and a hose 15 is provided at one end of the liquid replenishing tube 7 away from the liquid storage tank 8. A positioning sleeve 16 is fixedly connected to the inner wall of one side of the elevator car 1. One end of the hose 15 passes through the inside of the positioning sleeve 16, which is convenient for the staff to replenish the alcohol in the liquid storage tank 8 in time. At the same time, the hose 15 can be fixed by the positioning sleeve 16, ensuring the stability of the hose 15 inside the elevator car 1.

[0035] Working principle of this embodiment: when in use, the disinfection system is made more in line with human planning through program control, so that the disinfection system can be carried out more reasonably. The infrared sensor 4 inside the elevator car 1 can sense the human body and effectively sense the person. The whole system stops disinfection immediately. When the infrared sensor 4 detects that there is no one, the ultraviolet disinfection lamp 10 is immediately turned on to sterilize the inside of the elevator car 1. The whole system disinfects by controlling the ultraviolet disinfection lamp 10 and spraying disinfectant. The two disinfect alternately to make the disinfection more comprehensive. Disinfection is carried out after each use of the elevator. After the disinfection is completed and when the elevator is in use, the ventilation system is triggered to allow air to circulate in the space and reduce the retention of germs.

[0036] 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. An automatic disinfection and sterilization system for elevators based on a single-chip microcomputer, comprising an elevator car (1), characterized in that: A control panel (2) is fixedly connected to an inner wall of one side of the elevator car (1); infrared sensors (4) are arranged inside the elevator car (1); the number of the infrared sensors (4) is two groups; and an exhaust fan is arranged inside the elevator car (1); The exhaust fan comprises a motor (19) arranged inside the elevator car (1), the output end of the motor (19) is fixedly connected to a shaft sleeve (12), and the circumferential outer wall of the shaft sleeve (12) is fixedly connected to fan blades (11) distributed in a circular shape at equal distances; Lamp holders (9) are fixedly connected to the inner walls of both sides of the elevator car (1), and an ultraviolet disinfection lamp (10) is threadedly connected to the interior of the lamp holder (9); An alcohol disinfection sprayer (14) is provided on the top of the elevator car (1).

2. The automatic disinfection and sterilization system for elevators based on a single chip microcomputer as claimed in claim 1 is characterized in that: A mounting groove (3) is provided on an inner wall of one side of the elevator car (1), and the infrared sensor (4) is embedded and mounted inside the mounting groove (3).

3. The automatic disinfection and sterilization system for elevators based on a single chip microcomputer as claimed in claim 2 is characterized in that: A circular groove (18) is provided on the top inner wall of the elevator car (1), a fixing frame (17) is fixedly connected to the circumferential inner wall of the circular groove (18), and the fixing frame (17) is fixedly connected to the motor (19).

4. The automatic disinfection and sterilization system for elevators based on a single chip microcomputer as claimed in claim 3 is characterized in that: A fixed ring plate (6) is fixedly connected to the top of the elevator car (1), and a dust cover (5) is fixedly connected to the top of the fixed ring plate (6).

5. The automatic disinfection and sterilization system for elevators based on a single chip microcomputer as claimed in claim 1 is characterized in that: A liquid storage tank (8) is fixedly connected to the top of the elevator car (1), the interior of the liquid storage tank (8) contains alcohol, a first pump body is arranged inside the liquid storage tank (8), the first pump body is connected to a liquid guide tube (13), and one end of the liquid guide tube (13) away from the first pump body is connected to the alcohol disinfection sprayer (14).

6. The automatic disinfection and sterilization system for elevators based on a single chip microcomputer as claimed in claim 1 is characterized in that: The alcohol disinfection sprayer (14) comprises a spherical shell (1401), and the circumferential outer wall of the spherical shell (1401) is fixedly connected with spray heads (1402) distributed in a circle at equal distances.

7. The automatic disinfection and sterilization system for elevators based on a single chip microcomputer as claimed in claim 5 is characterized in that: A liquid replenishing tube (7) is inserted into the liquid storage tank (8), and a hose (15) is provided at one end of the liquid replenishing tube (7) away from the liquid storage tank (8). A positioning sleeve (16) is fixedly connected to the inner wall of one side of the elevator car (1), and one end of the hose (15) passes through the interior of the positioning sleeve (16).

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