Intelligent pipe network disinfection system for P3 laboratory

Abstract

The utility model provides an intelligent pipe network disinfection system for a P3 laboratory. Comprising a disinfection medium storage device, a conveying pump, a pressure stabilizing device, a check valve, a conveying pipeline, a filter, an electromagnetic valve, a conveying branch pipe, a high-pressure atomizing nozzle, a control unit, a control circuit, a pressure sensor, a disinfection medium concentration detector, a disinfection indicator lamp, a flowmeter and an air supply and exhaust system, according to the utility model, the remote disinfection control on the P3 laboratory is realized, the working area pollution caused by the direct entry of personnel into the working area and the pollution caused by toxic and harmful media in the working area are reduced, and the harm caused by the inhalation of the toxic and harmful media by the personnel is reduced; multiple areas can be disinfected at the same time, and time and labor cost are saved; the P3 laboratory can be quickly recovered to the working state, the utilization rate of the P3 laboratory is improved, and the conveying pipeline and the conveying branch pipes are small in size, convenient to install, low in cost, long in service life, stable in working state and wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory disinfection, in particular to an intelligent pipe network disinfection system for a P3 laboratory. Background Art

[0002] During the epidemic, many biosafety level 3 laboratories (P3) were newly built or renovated in China. According to research, the current disinfection method for biosafety level 3 laboratories is: disinfection personnel carry mobile disinfection machines into the P3 laboratory for disinfection. The disadvantages of this method are:

[0003] 1. Disinfection personnel need to enter the laboratory, increasing the risk of contamination and contamination;

[0004] 2. Failure of testing after disinfection will result in rework and delay of experimental time;

[0005] 3. Failure to remove disinfectant solvents in a timely manner will cause significant corrosion to the laboratory;

[0006] 4. Labor costs are high. Summary of the Invention

[0007] In order to solve the drawbacks of P3 laboratory disinfection in the prior art, the present invention discloses an intelligent pipe network disinfection system for P3 laboratories. The technical solution of the present invention is implemented as follows:

[0008] An intelligent pipe network disinfection system for P3 laboratories, including a delivery pipe network, terminal equipment and intelligent control;

[0009] The delivery pipe network includes a disinfection medium storage device, a delivery pump, a pressure stabilizing device, a check valve, a delivery pipe and a filter;

[0010] The terminal equipment includes a solenoid valve, a delivery branch pipe and a high-pressure atomizing nozzle;

[0011] The intelligent control includes a control unit, a control circuit, a pressure sensor, a disinfection medium concentration detector, a disinfection indicator light, a flow meter and an air supply and exhaust system;

[0012] The control unit in the intelligent control controls the delivery pipe network and the terminal device through the control circuit, and the control unit controls the pressure sensor, the disinfection medium concentration detector, the disinfection indicator light, the flow meter and the air supply and exhaust system through the control circuit;

[0013] The disinfection medium storage device is connected to the P3 laboratory through a conveying pipe, the pressure stabilizing device is arranged between the disinfection medium storage device and the P3 laboratory, the delivery pump and the check valve are sequentially arranged on the delivery pipe between the disinfection medium storage device and the pressure stabilizing device, the pressure sensor and the flow meter are arranged on the delivery pipe between the pressure stabilizing device and the P3 laboratory, a number of delivery branches are arranged between the delivery pipe and the P3 laboratory, the filter is arranged at the connection between the delivery branch and the delivery pipe, a high-pressure atomizing nozzle is provided at the end of each delivery branch, and a solenoid valve controlled by the control unit is provided on each delivery branch. The disinfection medium concentration detector is arranged in the P3 laboratory, and the disinfection indicator light is arranged above the entrance door of the P3 laboratory.

[0014] The air supply and exhaust system includes an air conditioner fresh air fan, a fresh air duct, an exhaust duct and an exhaust fan;

[0015] The air-conditioning fresh air fan is connected to the P3 laboratory through the fresh air duct, and the exhaust fan is connected to the P3 laboratory through the exhaust duct;

[0016] The air-conditioning fresh air fan and the exhaust fan are connected to the control unit via a control line.

[0017] The P3 laboratory includes core functional areas, buffer areas and non-core functional areas; non-core functional areas refer to all areas of the P3 laboratory except the core functional areas and buffer areas.

[0018] Preferably, the disinfection indicator lights are respectively arranged above the entrance doors of the core functional area, the buffer area, and the non-core functional area;

[0019] Preferably, the P3 laboratory is provided with a closed ceiling for isolating the core functional area, the buffer area, the non-core functional area and the delivery branch pipe;

[0020] The high-pressure atomizing nozzle is arranged on the lower end surface of the closed hanger.

[0021] The disinfection system in this utility model adopts a delivery pipeline network to achieve long-distance disinfection. Disinfection personnel do not need to enter the core working area of ​​the P3 laboratory. This greatly reduces the risk of disinfection personnel contaminating the internal environment of the P3 laboratory and being contaminated by toxic and harmful media inside the P3 laboratory, and solves the danger of disinfection personnel inhaling toxic and harmful media.

[0022] The disinfection system of the present invention controls the internal pressure of the delivery pipeline through a pressure stabilizing device, so that the internal pressure is maintained within a required working range, thereby avoiding the situation where the delivery pump is frequently started due to excessive or low pressure.

[0023] The disinfection system of the utility model is provided with a filter between the delivery pipe and the delivery branch pipe, which effectively protects the safety of the high-pressure atomizing nozzle and also ensures the spraying effect.

[0024] The disinfection system in the utility model can disinfect multiple areas of a P3 laboratory at the same time, effectively saving labor costs and greatly improving disinfection efficiency.

[0025] The disinfection system in the utility model adopts an integrated control unit to perform disinfection work, ensuring the airtightness of the P3 laboratory during disinfection, and realizes the detection and discharge of residual disinfection medium in the P3 laboratory through the disinfection medium concentration detector and the supply and exhaust air system. After disinfection, the P3 laboratory is restored to working state in time to avoid long-term residual disinfection medium from corroding experimental equipment or laboratory walls. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only one embodiment of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0028] Figure 1 This is a structural diagram of an embodiment of an intelligent pipe network disinfection system for a P3 laboratory. The dotted line portion in the figure is the control circuit, and the arrow portion in the figure indicates the flow direction of the airflow and disinfection medium. This figure also serves as the abstract illustration of the utility model.

[0029] In the above drawings, the figure numbers represent:

[0030] 1. Disinfection medium storage device;

[0031] 2. Delivery pump;

[0032] 3. Voltage stabilizing device;

[0033] 4. Check valve;

[0034] 5. Delivery pipeline;

[0035] 6. Filter;

[0036] 7. Solenoid valve;

[0037] 8. Delivery branch pipe;

[0038] 9. High pressure atomizing nozzle;

[0039] 10. Control unit;

[0040] 11. Pressure sensor;

[0041] 12. Disinfection medium concentration detector;

[0042] 13. Disinfection indicator light;

[0043] 14, flow meter;

[0044] 15. Air conditioning fresh air fan;

[0045] 16. Fresh air duct;

[0046] 17, exhaust fan;

[0047] 18. Exhaust duct

[0048] 19, core functional area;

[0049] 20, buffer zone;

[0050] 21, non-core functional areas;

[0051] 22. Sealed ceiling. DETAILED DESCRIPTION

[0052] The following will be combined with the embodiments of the present invention and the accompanying drawings to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0053] Example

[0054] In a specific embodiment, Figure 1As shown, an intelligent pipe network disinfection system for a P3 laboratory includes a delivery pipe network, terminal equipment and intelligent control; the delivery pipe network includes a disinfection medium storage device 1, a delivery pump 2, a pressure stabilizing device 3, a check valve 4, a delivery pipe 5 and a filter 6; the terminal equipment includes a solenoid valve 7, a delivery branch pipe 8 and a high-pressure atomizing nozzle 9; the intelligent control includes a control unit 10, a control circuit, a pressure sensor 11, a disinfection medium concentration detector 12, a disinfection indicator light 13, a flow meter 14 and an air supply and exhaust system; the air supply and exhaust system includes an air-conditioning fresh air fan 15, a fresh air duct 16, an exhaust duct 18 and an exhaust fan 17; the P3 laboratory includes a core functional area 19, a buffer area 20 and a non-core functional area 21; the P3 laboratory is provided with a closed ceiling 22 for isolating the core functional area 19, the buffer area 20, the non-core functional area 21 and the delivery branch pipe 8.

[0055] In this embodiment, the control unit 10 in the intelligent control controls the delivery network and the terminal equipment through the control line. The control unit 10 controls the pressure sensor 11, the disinfection medium concentration detector 12, the disinfection indicator light 13, the flow meter 14 and the air supply and exhaust system through the control line; the disinfection medium storage device 1 is connected to the P3 laboratory through the delivery pipe 5, the pressure stabilizing device 3 is arranged between the disinfection medium storage device 1 and the P3 laboratory, the delivery pump 2 and the check valve 4 are arranged in sequence on the delivery pipe 5 between the disinfection medium storage device 1 and the pressure stabilizing device 3, the pressure sensor 11 and the flow meter 14 are arranged on the pressure stabilizing device 3 and On the delivery pipe 5 between the P3 laboratories, several delivery branches 8 are provided between the delivery pipe 5 and the P3 laboratory. A filter 6 is provided at the connection between the delivery branch 8 and the delivery pipe 5. A high-pressure atomizing nozzle 9 is provided at the end of each delivery branch 8. A solenoid valve 7 controlled by a control unit 10 is provided on each delivery branch 8. A disinfection medium concentration detector 12 is provided in the P3 laboratory. Disinfection indicator lights 13 are provided above the entrance doors of the core functional area 19, the buffer area 20, and the non-core functional area 21 respectively. The high-pressure atomizing nozzle 9 is provided on the lower end surface of the enclosed ceiling 22. The air-conditioning fresh air fan 15 is connected to the P3 laboratory through the fresh air duct 16, and the exhaust fan 17 is connected to the P3 laboratory through the exhaust duct 18. The air-conditioning fresh air fan 15 and the exhaust fan 17 are connected to the control unit 10 through a control line.

[0056] When this embodiment is used, firstly, the starting pressure P1 and the stopping pressure P2 of the delivery pump 2 are given, the disinfection capacity parameter of the flow meter 14 is set, and then the control unit 10 starts the disinfection mode.

[0057] The disinfection process of this embodiment is: first light up the disinfection indicator light 13, then turn off the air-conditioning fresh air fan 15 and the exhaust fan 17, start the delivery pump 2, start the solenoid valve 7 of the delivery branch pipe 8, and then the high-pressure atomizing nozzle 9 sprays disinfection. After the disinfection is completed, stop the delivery pump 2, and finally close the solenoid valve 7.

[0058] When the pressure in the delivery pipeline 5 reaches P2, the delivery pump 2 is stopped, and when the pressure in the delivery pipeline 5 drops to P1, the delivery pump 2 is started.

[0059] After the disinfection immersion time is over, the exhaust fan 17 is started, and the air-conditioning fresh air fan 15 is started with a delayed start (heating mode) to remove the residual disinfectant in time.

[0060] When the disinfection medium concentration detector 12 detects that the disinfectant concentration in the air in the P3 laboratory has reached a safe value, the disinfection indicator light 13 is turned off and the entire disinfection cycle ends.

[0061] This embodiment enables remote disinfection control of the P3 laboratory, reducing the risk of personnel directly entering the work area and contaminating it, as well as being contaminated by toxic and hazardous media in the work area, thereby reducing the risk of personnel inhaling toxic and hazardous media. It also enables simultaneous disinfection of multiple areas, saving time and labor costs. It also enables the P3 laboratory to be quickly restored to working order, improving its utilization rate. Furthermore, the delivery pipe 5 and delivery branch pipe 8 are relatively small, easy to install, low-cost, long-lasting, stable in operation, and have a wide range of applications.

[0062] It should be pointed out that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An intelligent pipe network disinfection system for P3 laboratories, characterized in that: Including transmission pipeline network, terminal equipment and intelligent control; The delivery pipe network includes a disinfection medium storage device, a delivery pump, a pressure stabilizing device, a check valve, a delivery pipe and a filter; The terminal equipment includes a solenoid valve, a delivery branch pipe and a high-pressure atomizing nozzle; The intelligent control includes a control unit, a control circuit, a pressure sensor, a disinfection medium concentration detector, a disinfection indicator light, a flow meter and an air supply and exhaust system; The control unit in the intelligent control controls the delivery network and the terminal device through a control line. The control unit controls the pressure sensor, the disinfection medium concentration detector, the disinfection indicator light, the flow meter and the air supply and exhaust system through a control line. The disinfection medium storage device is connected to the P3 laboratory through a delivery pipe. The pressure stabilizing device is arranged between the disinfection medium storage device and the P3 laboratory. The delivery pump and the check valve are arranged in sequence on the delivery pipe between the disinfection medium storage device and the pressure stabilizing device. The pressure sensor and the flow meter are arranged on the delivery pipe between the pressure stabilizing device and the P3 laboratory. Several delivery branches are arranged between the delivery pipe and the P3 laboratory. The filter is arranged at the connection between the delivery branch and the delivery pipe. A high-pressure atomizing nozzle is arranged at the end of each delivery branch. Each delivery branch is provided with a solenoid valve controlled by the control unit. The disinfection medium concentration detector is arranged in the P3 laboratory. The disinfection indicator light is arranged above the entrance door of the P3 laboratory.

2. The intelligent pipe network disinfection system for P3 laboratories according to claim 1 is characterized in that: The air supply and exhaust system includes an air conditioner fresh air fan, a fresh air duct, an exhaust duct and an exhaust fan; The air-conditioning fresh air fan is connected to the P3 laboratory through the fresh air duct, and the exhaust fan is connected to the P3 laboratory through the exhaust duct; The air-conditioning fresh air fan and the exhaust fan are connected to the control unit via a control line.

3. The intelligent pipe network disinfection system for P3 laboratories according to claim 1 is characterized in that: The P3 laboratory includes core functional areas, buffer areas and non-core functional areas; The disinfection indicator lights are respectively arranged above the entrance doors of the core functional area, the buffer area, and the non-core functional area.

4. The intelligent pipe network disinfection system for P3 laboratories according to claim 3 is characterized in that: The P3 laboratory is provided with a closed ceiling for isolating the core functional area, the buffer area, the non-core functional area and the delivery branch pipe; The high-pressure atomizing nozzle is arranged on the lower end surface of the closed hanger.

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