Risk prevention and control system of biosafety laboratory

Abstract

The utility model provides a risk prevention and control system of a biosafety laboratory, and belongs to the technical field of risk prevention and control of laboratories. Comprising a video monitoring camera, a laboratory environment detection unit, a controller module, an air inlet filtering processing device, an entrance and exit disinfection device, an access control device, an entrance camera, a wearing detection controller, an alarm and a data storage end. According to the laboratory environment monitoring system, an alarm is given out, people do not enter, atomization disinfection is carried out on people entering and exiting, the safety of the experimental environment can be well guaranteed, leakage of bacteria or viruses and the like in a laboratory is avoided, a data remote storage end is arranged, real-time storage of laboratory environment data is achieved, remote viewing can be achieved, and remote management is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of risk prevention and control in laboratories, and in particular to a risk prevention and control system for biosafety laboratories. Background Art

[0002] At present, laboratory biosafety supervision is always faced with the difficulties of large number and wide range of supervision objects, many industries involved, many types of experiments involving pathogenic microorganisms, low efficiency of the original supervision system, and small coverage. It is difficult for existing technologies to find the real crux in the process of laboratory supervision. Real-time data reception, encrypted storage, analysis and early warning, environmental temperature and humidity perception, longitude and latitude positioning, private network transmission and authorization query of laboratory personnel, equipment, biological samples, experimental behavior, environment and other biosafety elements are completed by independent equipment and systems, which have poor interoperability and complicated docking work, making it difficult to manage laboratories accurately, in real time and uniformly.

[0003] The existing clothing management of people entering and leaving biological laboratories has not been automated, and there is no automated disinfection process for people entering and leaving. After coming out, laboratory personnel may carry laboratory viruses and bacteria with them, or bring unknown viruses and bacteria from the outside into the laboratory, which may easily lead to different infection risks. Therefore, it is necessary to design a risk prevention and control system for biosafety laboratories with automated management and automated disinfection. Utility Model Content

[0004] The utility model aims to provide a risk prevention and control system for a biosafety laboratory, so as to solve the technical problems that the existing biosafety laboratories cannot automatically manage the clothing of people entering and leaving the laboratory and cannot disinfect the people entering and leaving the laboratory, which may easily lead to bacterial or viral infection or leakage.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A risk prevention and control system for a biosafety laboratory comprises a video surveillance camera, a laboratory environment detection unit, a controller module, an air inlet filtration processing device, an entrance and exit disinfection device, a door control device, a door camera, a clothing detection controller, an alarm and a data storage terminal. The video surveillance camera, the laboratory environment detection unit, the air inlet filtration processing device, the entrance and exit disinfection device, the door control device, the clothing detection controller, the alarm and the data storage terminal are all connected to the controller module, the door camera is connected to the clothing detection controller, the door camera is installed at the entrance of the laboratory, and the entrance and exit disinfection device is installed at the entrance and exit of the laboratory.

[0007] Furthermore, the data storage end includes a laboratory PC, a cloud server and a laboratory administrator's mobile phone. The laboratory PC is connected to the controller module through a serial port, the laboratory PC is connected to the cloud server via a gateway, and the laboratory administrator's mobile phone is wirelessly connected to the cloud server.

[0008] Furthermore, the laboratory environment detection unit includes a toxic gas detection sensor device, a temperature sensor, a humidity sensor and an exhaust fan operation status monitoring module. The toxic gas detection sensor device, the temperature sensor, the humidity sensor and the exhaust fan operation status monitoring module are all connected to the controller module. The exhaust fan operation status monitoring module is arranged at the exhaust fan at the laboratory exhaust outlet, and collects the operation status of the exhaust fan and transmits it to the controller module.

[0009] Furthermore, the air intake filtering and processing device includes a box body and a filter I, a filter II, an ultraviolet power adapter, an ultraviolet lamp network and an exhaust fan arranged in the box body. An air inlet is arranged on the box body, and the filter I, the filter II, the ultraviolet lamp network and the exhaust fan are arranged in sequence from the air inlet. The ultraviolet power adapter is connected to the ultraviolet lamp network.

[0010] Furthermore, the entrance and exit disinfection device includes a human infrared sensor, a disinfectant storage box, a liquid pump, an atomizing device, an air compressor and an atomizing nozzle device. The liquid inlet end of the liquid pump is arranged in the disinfectant storage box, and the disinfectant is placed in the disinfectant storage box. The output end of the liquid pump is connected to the atomizing device, and the output end of the atomizing device is connected to the atomizing nozzle device. The human infrared sensor and the liquid pump are both connected to the controller module, and the output end of the air compressor is provided with an air-opening electronic switch, which is connected to the controller module.

[0011] Furthermore, the atomization device includes a liquid atomizer, a disinfectant inlet, an air inlet, a heater, an empty pipe, a spray nozzle, a high-pressure air inlet and a disinfectant mist outlet. The disinfectant inlet and the air inlet are arranged on both sides of the liquid atomizer, the disinfectant inlet is connected to the liquid suction pump, the high-pressure air inlet is connected to the air-opening electronic switch, a heater is arranged on the outside of the empty pipe, the heating switch of the heater is connected to the controller module, the output end of the liquid atomizer is connected to one end of the empty pipe, the other end of the empty pipe is connected to the spray nozzle, one lateral side of the spray nozzle is connected to the high-pressure air inlet, the other lateral side of the spray nozzle is connected to the disinfectant mist outlet, and the disinfectant mist outlet is connected to the atomizing nozzle device.

[0012] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0013] The utility model sets clothing detection devices at the entrance and exit. When the personnel who are about to enter the laboratory do not wear corresponding laboratory clothes, an alarm is issued and they are not allowed to enter. The personnel entering and leaving are disinfected by atomization, which can well ensure the safety of the laboratory environment and avoid the leakage of laboratory bacteria or viruses. In addition, the utility model sets a data remote storage terminal to realize real-time storage of laboratory environment data, which can be viewed remotely and realize remote management. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the principle block diagram of the utility model system;

[0015] Figure 2 It is a structural schematic diagram of the utility model air inlet filtering and processing device;

[0016] Figure 3 It is a schematic diagram of the structure of the atomizing device of the entrance and exit disinfection device of the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the structure of the atomizing nozzle of the entrance and exit disinfection device.

[0018] In the attached drawings, 1-air inlet, 2-filter I, 3-filter II, 4-ultraviolet power adapter, 5-ultraviolet lamp net, 6-exhaust fan, 7-liquid atomizer, 8-disinfectant inlet, 9-air inlet, 10-heater, 11-air pipe, 12-spray nozzle, 13-high-pressure air inlet, 14-disinfectant mist outlet. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are only for the purpose of enabling readers to have a thorough understanding of one or more aspects of the utility model, and these aspects of the utility model can be realized even without these specific details.

[0020] like Figure 1As shown, a risk prevention and control system for a biosafety laboratory includes a video surveillance camera, a laboratory environment detection unit, a controller module, an air inlet filtration processing device, an entrance and exit disinfection device, a door control device, a door camera, a clothing detection controller, an alarm and a data storage terminal. The video surveillance camera, the laboratory environment detection unit, the air inlet filtration processing device, the entrance and exit disinfection device, the door control device, the clothing detection controller, the alarm and the data storage terminal are all connected to the controller module, the door camera is connected to the clothing detection controller, the door camera is installed at the entrance of the laboratory, and the entrance and exit disinfection device is installed at the entrance and exit of the laboratory. The video surveillance camera mainly collects the video data of the laboratory in real time and transmits it to the cloud server through a computer to realize remote real-time storage.

[0021] The controller module uses the STM32 series single-chip minimum system module. The laboratory environment detection unit is connected to the STM32 series single-chip minimum system module through the 485 bus. The air intake filtration processing device is mainly used to filter and disinfect the air drawn into the laboratory with ultraviolet rays. The clothing detection controller is a DSP image processor, which uses existing technology to identify whether the clothing of people preparing to enter meets the requirements of the laboratory.

[0022] In the embodiment of the utility model, as shown in the figure, the data storage end includes a laboratory PC, a cloud server and a laboratory administrator's mobile phone. The laboratory PC is connected to the controller module through a serial port, the laboratory PC is connected to the cloud server via a gateway, and the laboratory administrator's mobile phone is wirelessly connected to the cloud server. The laboratory PC is a computer, which serves as a data transfer station for the laboratory to transmit to the cloud server, and then the manager can remotely view the laboratory's environmental conditions and video conditions through the mobile phone.

[0023] In the embodiment of the utility model, Figure 1 As shown, the laboratory environment detection unit includes a toxic gas detection sensor device, a temperature sensor, a humidity sensor and an exhaust fan operation status monitoring module. The toxic gas detection sensor device, the temperature sensor, the humidity sensor and the exhaust fan operation status monitoring module are all connected to the controller module. The exhaust fan operation status monitoring module is arranged at the exhaust fan at the laboratory exhaust outlet, and collects the operation status of the exhaust fan and transmits it to the controller module. The toxic gas detection sensor device is composed of 5 toxic gas detection sensors, and the 5 toxic gas detection sensors are arranged at intervals in the laboratory. The toxic gas detection sensors can be arranged at the outside of the experimental equipment and other places as needed. If there is a toxic gas leak, the toxic gas can be detected at the fastest speed.

[0024] In the embodiment of the utility model, Figure 2As shown, the air inlet filtering and processing device includes a box body and filter net Ⅰ2, filter net Ⅱ3, ultraviolet power adapter 4, ultraviolet lamp net 5 and exhaust fan 6 arranged in the box body. The box body is provided with an air inlet 1, and filter net Ⅰ2, filter net Ⅱ3, ultraviolet lamp net 5 and exhaust fan 6 are arranged in sequence from the air inlet 1, and the ultraviolet power adapter 4 is connected to the ultraviolet lamp net 5. Filter net Ⅰ2 and filter net Ⅱ3 mainly perform two filtration treatments on the air, and the ultraviolet lamp net 5 is mainly a mesh ultraviolet lamp source to perform ultraviolet disinfection treatment on the incoming air.

[0025] In the embodiment of the utility model, the entrance and exit disinfection device includes a human infrared sensor, a disinfectant storage box, a liquid pump, an atomizing device, an air compressor and an atomizing nozzle device. The liquid inlet end of the liquid pump is arranged in the disinfectant storage box, and the disinfectant is placed in the disinfectant storage box. The output end of the liquid pump is connected to the atomizing device, and the output end of the atomizing device is connected to the atomizing nozzle device. The human infrared sensor and the liquid pump are both connected to a controller module. The output end of the air compressor is provided with an air-opening electronic switch, and the air-opening electronic switch is connected to the controller module. Human infrared sensors are provided at the front and rear ends of the entrance and exit to sense in advance that someone is about to go out or enter, and then the controller module controls the liquid pump to act to extract a certain amount of disinfectant, which is atomized through the atomizing device and then sprayed out by the atomizing nozzle device. The atomizing nozzle device is as follows. Figure 4 As shown, the air compressor mainly provides compressed air and high-pressure air.

[0026] In the embodiment of the utility model, Figure 3 As shown, the atomizing device comprises a liquid atomizer 7, a disinfectant liquid inlet 8, an air inlet 9, a heater 10, an empty pipe 11, a spouting nozzle 12, a high-pressure air inlet 13 and a disinfection mist outlet 14, the disinfectant liquid inlet 8 and the air inlet 9 are arranged on both sides of the liquid atomizer 7, the disinfectant liquid inlet 8 is connected with a liquid extraction pump, the high-pressure air inlet 12 is connected with an open air electronic switch, the outside of the empty pipe 11 is provided with a heater 10, the heating switch of the heater 10 is connected with a controller module, the output end of the liquid atomizer 7 is connected with one end of the empty pipe 11, the other end of the empty pipe 11 is connected with the spouting nozzle 12, the lateral side of the spouting nozzle 12 is connected with the high-pressure air inlet 13, the lateral other side of the spouting nozzle 12 is connected with the disinfection mist outlet 14, and the disinfection mist outlet 14 is connected with the atomizing nozzle device. The heater 10 can be a resistance heating wire, or other heating devices can be used, and what the disinfection mist outlet 14 sprays is the disinfectant liquid atomized gas with pressure, and the disinfectant liquid atomized gas is sprayed onto the personnel entering and leaving, realizing the disinfection function.

[0027] By installing clothing detection devices at the entrances and exits, when personnel preparing to enter the laboratory are not wearing appropriate laboratory clothes, an alarm will be issued and they will not be allowed to enter. In addition, personnel entering and leaving will be subjected to atomization disinfection, which can well ensure the installation of the experimental environment and avoid the leakage of laboratory bacteria or viruses.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A risk prevention and control system for a biosafety laboratory, characterized by: It includes a video surveillance camera, a laboratory environment detection unit, a controller module, an air inlet filtration processing device, an entrance and exit disinfection device, a door control device, a door camera, a clothing detection controller, an alarm and a data storage terminal. The video surveillance camera, the laboratory environment detection unit, the air inlet filtration processing device, the entrance and exit disinfection device, the door control device, the clothing detection controller, the alarm and the data storage terminal are all connected to the controller module, the door camera is connected to the clothing detection controller, the door camera is installed at the entrance of the laboratory, and the entrance and exit disinfection device is installed at the entrance and exit of the laboratory.

2. A risk prevention and control system for a biosafety laboratory according to claim 1, characterized in that: The data storage end includes a laboratory PC, a cloud server and a laboratory administrator's mobile phone. The laboratory PC is connected to the controller module through a serial port, the laboratory PC is connected to the cloud server via a gateway, and the laboratory administrator's mobile phone is wirelessly connected to the cloud server.

3. A risk prevention and control system for a biosafety laboratory according to claim 1, characterized in that: The laboratory environment detection unit includes a toxic gas detection sensor device, a temperature sensor, a humidity sensor and an exhaust fan operation status monitoring module. The toxic gas detection sensor device, the temperature sensor, the humidity sensor and the exhaust fan operation status monitoring module are all connected to the controller module. The exhaust fan operation status monitoring module is arranged at the exhaust fan at the laboratory exhaust outlet, and collects the operation status of the exhaust fan and transmits it to the controller module.

4. A biosafety laboratory risk prevention and control system according to claim 1, characterized in that: The air inlet filtering and processing device comprises a box body and a filter net I (2), a filter net II (3), an ultraviolet power adapter (4), an ultraviolet lamp net (5) and an exhaust fan (6) arranged in the box body. The box body is provided with an air inlet (1). The filter net I (2), the filter net II (3), the ultraviolet lamp net (5) and the exhaust fan (6) are arranged in sequence from the air inlet (1). The ultraviolet power adapter (4) is connected to the ultraviolet lamp net (5).

5. A biosafety laboratory risk prevention and control system according to claim 1, characterized in that: The entrance and exit disinfection device includes a human infrared sensor, a disinfectant storage box, a liquid pump, an atomizing device, an air compressor and an atomizing nozzle device. The liquid inlet end of the liquid pump is arranged in the disinfectant storage box, and the disinfectant is placed in the disinfectant storage box. The output end of the liquid pump is connected to the atomizing device, and the output end of the atomizing device is connected to the atomizing nozzle device. The human infrared sensor and the liquid pump are both connected to the controller module. The output end of the air compressor is provided with an air-opening electronic switch, which is connected to the controller module.

6. A biosafety laboratory risk prevention and control system according to claim 5, characterized in that: The atomizing device comprises a liquid atomizer (7), a disinfectant liquid inlet (8), an air inlet (9), a heater (10), an empty pipe (11), a spray nozzle (12), a high-pressure air inlet (13) and a disinfectant mist outlet (14). The disinfectant liquid inlet (8) and the air inlet (9) are arranged on both sides of the liquid atomizer (7). The disinfectant liquid inlet (8) is connected to a liquid pump. The high-pressure air inlet (13) is connected to an air opening electronic switch. A heater (10) is arranged on the outside of the empty pipe (11). The heating switch of the heater (10) is connected to a controller module. The output end of the liquid atomizer (7) is connected to one end of the empty pipe (11). The other end of the empty pipe (11) is connected to the spray nozzle (12). One lateral side of the spray nozzle (12) is connected to the high-pressure air inlet (13). The other lateral side of the spray nozzle (12) is connected to the disinfectant mist outlet (14). The disinfectant mist outlet (14) is connected to the atomizing nozzle device.

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