A cleanliness detection device for hospital infection control

The design of the purification and testing mechanisms solved the problem of dust accumulation interfering with the test results, enabling the collection of air pollutants and the tracing of pollution sources, and improving the stability and accuracy of the tests.

CN224456526UActive Publication Date: 2026-07-03黄珊

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
黄珊
Filing Date
2025-08-07
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing technologies struggle to prevent dust accumulation on laser emitter lenses from interfering with detection results, and are also unable to effectively collect and trace the composition of air pollutants.

Method used

A cleanliness detection device comprising a purification mechanism and a detection mechanism was designed. The device filters air through a washing liquid in a purification cylinder, combines a transparent cleaning tube and a drying tube to prevent dust accumulation, and uses a laser emitter and receiver to detect the number and composition of particulate matter.

Benefits of technology

It effectively prevents dust from interfering with the lens, enabling the collection and tracing of air pollutants and improving the stability and accuracy of detection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224456526U_ABST
    Figure CN224456526U_ABST
Patent Text Reader

Abstract

This utility model discloses a cleanliness detection device for hospital infection control, characterized by comprising a purification mechanism and a detection mechanism. The purification mechanism includes a suction tube with a fan inside, a handle at the bottom, and a drying tube at the front end. One end of the drying tube is threaded to one side of a connecting seat, and a transparent purification cylinder containing washing liquid is threaded to the bottom of the connecting seat. The detection mechanism includes a detection tube threaded to the other side of the connecting seat. A laser emitter and a processor are located on one side inside the detection tube, and a receiver and a filter amplifier are located on the other side. A display screen is located outside the detection tube, with the receiver facing the laser emitter. A cleaning tube is slidably installed inside the detection tube. The washing liquid in the purification cylinder filters the air, preventing dust from accumulating on the fan while also collecting particulate matter from the air.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of cleanliness detection technology, specifically a cleanliness detection device for hospital infection management. Background Technology

[0002] Cleanliness testing is generally divided into environmental surface cleanliness testing, air pollution testing, and water quality testing. Air pollution testing often uses a fan to draw in air, and while the air flows in the pipe, a laser emitter monitors the scattering of light by airborne particles to determine the amount of particulate matter in the air. However, this method is prone to contaminating the lens and fan blades of the laser emitter. Over long-term use, the dust accumulated on the lens and fan blades can interfere with the monitoring structure. In addition, while this method can detect the quantity of particulate matter, it is difficult to detect the composition of particulate matter and to trace the source of pollution.

[0003] Existing technologies, such as Chinese utility model patent with publication number CN202322712443, disclose "a cleanliness detection device". By inserting and installing a transparent partition inside the detection tube, the detection equipment inside the detection tube can be shielded and separated, preventing impurities in the outside air from adhering to the detection equipment, thereby enabling the detection device to be used stably. However, since the fan of this device is located at the air inlet, the dust deposited on the fan can easily interfere with the detection results. At the same time, this device can only detect the quantity of pollutants in the air and is difficult to collect pollutants. Utility Model Content

[0004] The purpose of this invention is to provide a method that can prevent dust accumulation from interfering with the lens during the pollution detection process, while also collecting pollutants to facilitate tracing the source of pollution.

[0005] To achieve the above-mentioned technical effects, this utility model is implemented through the following technical solution: a cleanliness detection device for hospital infection control, characterized in that it includes a purification mechanism and a detection mechanism. The purification mechanism includes a suction tube, a fan is installed inside the suction tube, a handle is installed at the bottom of the suction tube, and a drying tube is installed at the front end of the suction tube. One end of the drying tube is threaded to one side of a connecting seat, and a transparent purification cylinder is threaded to the bottom of the connecting seat. The purification cylinder contains washing liquid. The detection mechanism includes a detection tube threaded to the other side of the connecting seat. A laser emitter and a processor are installed on one side inside the detection tube, and a receiver and a filter amplifier are installed on the other side inside the detection tube. A display screen is also installed outside the detection tube. The receiver is opposite to the laser emitter, and a cleaning tube is slidably installed inside the detection tube.

[0006] Furthermore, the drying tube is filled with a desiccant, and removable filters are provided at both ends of the drying tube.

[0007] Furthermore, the connecting seat has an air inlet pipe and an air outlet pipe that are bent at 90° on both sides inside. The air inlet pipe and the air outlet pipe are connected to the detection pipe and the drying pipe, respectively. The bottom of the air inlet pipe is below the surface of the washing liquid, and the bottom of the air outlet pipe is above the surface of the washing liquid. A sealing cap that is compatible with the purification cylinder is provided below the connecting seat.

[0008] Furthermore, a sliding cavity is provided inside the detection tube, the two sides of the sliding cavity are parallel planes, and a laser emitter and a receiver are arranged on the parallel planes. A sponge cleaning ring is provided on the inner side of the end of the detection tube.

[0009] Furthermore, the cleaning tube is adapted to the sliding cavity, the cleaning tube is a transparent structure, the outer diameter of the cleaning tube is smaller than the inner diameter of the dust removal ring, and both the outer and inner sides of the cleaning tube are parallel planes.

[0010] Compared with related technologies, the cleanliness detection device for hospital infection management provided by this utility model has the following beneficial effects:

[0011] 1. This utility model incorporates a purification mechanism that uses negative pressure generated by a fan to draw air into a purification cylinder through a detection tube. The air is then filtered by a washing liquid inside the purification cylinder, preventing dust from accumulating on the fan and collecting particulate matter in the air, thus facilitating the tracing of pollution sources.

[0012] 2. This utility model, by setting up a monitoring mechanism and sliding a transparent cleaning tube on the outside of the laser transmitter and receiver, prevents dust from interfering with the lens and also avoids wear and tear on the lens caused by long-term lens cleaning. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the purification mechanism of this utility model;

[0016] Figure 3 This is an enlarged view of point A of this utility model;

[0017] Figure 4 This is a schematic diagram of the overall structure of the testing mechanism of this utility model.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1. Purification mechanism; 11. Suction tube; 12. Fan; 13. Handle; 14. Drying tube; 141. Filter screen; 15. Connecting seat; 151. Air inlet pipe; 152. Air outlet pipe; 153. Sealing cover; 16. Purification cylinder; 2. Detection mechanism; 21. Detection tube; 211. Sliding chamber; 212. Dust removal ring; 22. Laser emitter; 23. Processor; 24. Receiver; 25. Filter amplifier; 26. Display screen; 27. Cleaning tube. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0021] Example 1

[0022] See Figures 1 to 4 As shown, a cleanliness testing device for hospital infection control is characterized by comprising a purification mechanism 1 and a testing mechanism 2. The purification mechanism 1 includes a suction tube 11, a fan 12 disposed inside the suction tube 11, a handle 13 disposed at the bottom of the suction tube 11, and a drying tube 14 disposed at the front end of the suction tube 11. One end of the drying tube 14 is threadedly connected to one side of a connecting seat 15, and a transparent purification cylinder 16 is threadedly connected to the bottom of the connecting seat 15. The purification cylinder 16 contains a washing solution. The testing mechanism 2 includes a testing tube 21 threadedly connected to the other side of the connecting seat 15. A laser emitter 22 and a processor 23 are disposed on one side inside the testing tube 21, and a receiver 24 and a filter amplifier 25 are disposed on the other side inside the testing tube 21. A display screen 26 is also disposed outside the testing tube 21. The receiver 24 is opposite to the laser emitter 22, and a cleaning tube 27 is slidably installed inside the testing tube 21. By activating the fan 12, suction is generated on one side of the fan 12. The suction generated by the fan 12 is transmitted to the purification cylinder 16 through the drying tube 14 and the connecting seat 15. The suction in the purification cylinder 16 is transmitted to the detection tube 21 through the connecting seat 15. A negative pressure is generated in the detection tube 21, thereby drawing in air and particulate matter in the air. The number of particles in the air is detected by the laser emitter 22 and the receiver 24. At the same time, when the drawn-in particles pass through the washing liquid in the purification cylinder 16, the air pollution particles settle in the washing liquid. The filtered air is dried through the drying tube 14 and then discharged to the outside through the fan 12.

[0023] The drying tube 14 contains a desiccant, and removable filters 141 are provided at both ends of the drying tube 14. The desiccant dries the air that has been separated from the washing liquid, preventing moisture in the air from affecting the fan 12. The removable filters 141 also facilitate the replacement of the desiccant.

[0024] The connecting seat 15 has an inlet pipe 151 and an outlet pipe 152, both bent at 90°, on its inner sides. The inlet pipe 151 and outlet pipe 152 are connected to the detection pipe 21 and the drying pipe 14, respectively. The bottom of the inlet pipe 151 is below the washing liquid surface, and the bottom of the outlet pipe 152 is above the washing liquid surface. A sealing cap 153, compatible with the purification cylinder 16, is provided below the connecting seat 15. The inlet pipe 151, located below the washing liquid surface, ensures that the inhaled air is washed by the washing liquid, thus precipitating particulate matter in the washing liquid. The outlet pipe 152, located above the washing liquid surface, discharges the filtered air.

[0025] The detection tube 21 has a sliding cavity 211 inside. The two sides of the sliding cavity 211 are parallel planes, and a laser emitter 22 and a receiver 24 are arranged on the parallel planes. A sponge cleaning ring 212 is arranged on the inner side of the end of the detection tube 21. The parallel planes prevent the arc-shaped cavity from scattering the laser, thereby improving the stability of the laser emitter 22 detection. The sponge cleaning ring 212 located inside can block dust and remove dust from the outside of the cleaning tube 27 when the cleaning tube 27 slides inside.

[0026] The cleaning tube 27 is adapted to the sliding cavity 211. The cleaning tube 27 is transparent, and its outer diameter is smaller than the inner diameter of the cleaning ring 212. Both the outer and inner sides of the cleaning tube 27 are parallel planes. Because both the outer and inner sides of the cleaning tube 27 are parallel planes, the laser can be directly incident, preventing laser scattering caused by the lens principle from affecting the detection results.

[0027] Example 2

[0028] The handle 13 of this utility model is provided with a start switch for controlling the fan 12, and the handle 13 is provided with a built-in power supply for driving the fan 12.

[0029] In this invention, the display screen 26, laser emitter 22, receiver 24, and filter amplifier 25 are all electrically connected to the processor 23, and the processor 23 uses a built-in power supply.

[0030] The fan 12 of this utility model is an existing fan 12 driven by a motor, and the motor of the fan 12 is waterproof.

[0031] The desiccant of this invention is a strong desiccant, such as anhydrous calcium chloride, silica gel desiccant, phosphorus pentoxide, etc.

[0032] The suction tube 11 of this utility model has a ventilation hole on one side to facilitate air flow inside the suction tube 11;

[0033] The drying tube 14 of this utility model is a transparent tube, which makes it easy to observe the state of the desiccant and facilitates timely replacement of the desiccant;

[0034] The replacement method of the filter screen 141 in the drying tube 14 of this utility model is the same as the replacement method of the existing water pipe filter screen 141.

[0035] Example 3

[0036] Working principle: When detecting air, the fan 12 is activated, generating suction on one side, which in turn generates suction on one side of the suction tube 11. The suction is transmitted through the drying tube 14 to the exhaust tube 152, which then transmits the suction to the purification cylinder 16. Since the exhaust tube 152 is located above the washing liquid surface, a negative pressure is generated inside the purification cylinder 16, which in turn generates a negative pressure inside the intake tube 151. The intake tube 151 draws in outside air through the detection tube 21. After entering the intake tube 151, the outside air comes into contact with the washing liquid, and the particulate matter in the air settles in the washing liquid. The filtered air is discharged through the exhaust tube 152. When passing through the drying tube 14, the desiccant in the drying tube 14 adsorbs the moisture in the air, thereby preventing the humid air from affecting the fan 12. The dried air is discharged from one end of the suction tube 11 through the fan 12.

[0037] When air is drawn into the suction tube 11, the laser emitted by the laser emitter 22 will cause the light to scatter. The scattered light is received by the receiver 24. The electrical signal emitted by the receiver 24 is amplified by the filter amplifier 25 and then transmitted to the processor 23. The processor 23 then displays the air cleanliness on the display screen 26.

[0038] After the air pollution detection is completed, the purification tube 16 is removed so that the composition of the washing liquid can be analyzed to facilitate the tracing of the pollution source. At the same time, the cleaning tube 27 is disassembled and the inside and outside of the cleaning tube 27 are cleaned. When the outside of the cleaning tube 27 is inserted into the sliding cavity 211, the dust removal ring 212 cleans the outside of the cleaning tube 27 again.

Claims

1. A cleanliness detection device for hospital infection control, characterized in that, The device includes a purification mechanism (1) and a detection mechanism (2). The purification mechanism (1) includes a suction tube (11), a fan (12) is installed inside the suction tube (11), a handle (13) is installed at the bottom of the suction tube (11), and a drying tube (14) is installed at the front end of the suction tube (11). One end of the drying tube (14) is threaded to one side of the connecting seat (15), and a transparent purification cylinder (16) is threaded to the bottom of the connecting seat (15). The purification cylinder (16) is filled with washing liquid. The detection mechanism (2) includes a detection tube (21) threaded to the other side of the connecting seat (15). A laser emitter (22) and a processor (23) are installed on one side inside the detection tube (21), and a receiver (24) and a filter amplifier (25) are installed on the other side inside the detection tube (21). A display screen (26) is also installed outside the detection tube (21). The receiver (24) is opposite to the laser emitter (22), and a cleaning tube (27) is slidably installed inside the detection tube (21).

2. The cleanliness detection device for hospital infection management according to claim 1, characterized by The drying tube (14) is filled with a desiccant, and detachable filters (141) are provided at both ends of the drying tube (14).

3. The cleanliness detection device for hospital infection management according to claim 1, characterized by The connecting seat (15) has an air inlet pipe (151) and an air outlet pipe (152) bent at 90° on its inner sides. The air inlet pipe (151) and the air outlet pipe (152) are respectively connected to the detection pipe (21) and the drying pipe (14). The bottom of the air inlet pipe (151) is below the surface of the washing liquid, and the bottom of the air outlet pipe (152) is above the surface of the washing liquid. A sealing cap (153) that is compatible with the purification cylinder (16) is provided below the connecting seat (15).

4. The cleanliness detection device for hospital infection management according to claim 1, characterized by The detection tube (21) has a sliding cavity (211) inside. The two sides of the sliding cavity (211) are parallel planes, and a laser emitter (22) and a receiver (24) are arranged on the parallel planes. A sponge cleaning ring (212) is arranged on the inner side of the end of the detection tube (21).

5. The cleanliness detection device for hospital infection management according to claim 1, characterized by The cleaning tube (27) is adapted to the sliding cavity (211). The cleaning tube (27) is a transparent structure. The outer diameter of the cleaning tube (27) is smaller than the inner diameter of the dust removal ring (212). The outer and inner sides of the cleaning tube (27) are parallel planes.