CN212514513U - Real-time monitoring identifier for air pathogens - Google Patents
Real-time monitoring identifier for air pathogens Download PDFInfo
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- CN212514513U CN212514513U CN202022021744.5U CN202022021744U CN212514513U CN 212514513 U CN212514513 U CN 212514513U CN 202022021744 U CN202022021744 U CN 202022021744U CN 212514513 U CN212514513 U CN 212514513U
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Abstract
The utility model provides an air pathogen real-time monitoring discriminator, which comprises a shell, a first monitoring module, a second monitoring module, a control module and a power module, wherein the first monitoring module comprises a sampling head, a first air pump and an aerosol sensor which are connected through a vent pipe; the second monitoring module comprises a liquid storage bottle, a sampling needle, a second air pump, a sample adding device and an immunity analyzer, the sample adding device comprises a liquid suction pump and a sample adding needle, an air inlet is formed in the liquid storage bottle, the liquid storage bottle and the second air pump are connected through a vent pipe, the sampling needle extends into the liquid storage bottle, the sampling needle, the liquid suction pump and the sample adding needle are connected through a liquid through pipe, a chip moving device is arranged on the immunity analyzer, and a micro-fluidic chip is arranged on the chip moving device; the first monitoring module, the second monitoring module, the power module and the controller are electrically connected. The automation and the effectiveness of pathogen detection are improved, and the integration of real-time monitoring and sampling identification is realized.
Description
Technical Field
The utility model relates to an environmental detection field especially relates to an air pathogen real-time supervision discriminator.
Background
Along with the social progress of industrial automation and the continuous improvement of the rapidity of transportation, the air pollution condition of the public environment is more and more serious due to the increase of mobile population, the air safety condition in outdoor and indoor public areas is more and more remarkable, and the problem is also a key consideration in the aspect of national public safety and sanitation. Pathogens of diseases such as 2019-nCoV, SARS, H1N1 influenza, MERS, H7N9 influenza, H5N1 avian influenza and the like are easy to spread through aerosol.
Efficient and comprehensive sampling is a premise for accurately detecting air pathogens, and the conventional air microorganism sampling modes mainly comprise the following three modes: sampling methods based on solid media, sampling methods based on physical effects and characteristics, and sampling methods based on liquid sampling media. The current commonly used method is based on liquid medium sampling, and liquid has certain protection effect on microorganisms, and can avoid microorganism death caused by violent impact in the collection process.
At present, a microorganism sampler is available in the market, but the microorganism sampler needs manual sample transfer and then microorganism species detection, so that the process is long in time consumption and complex in operation, the collected microorganisms are easily lost, the detection result is influenced, integration of real-time online monitoring, sampling and identification cannot be carried out, and early warning is given at the first time.
Therefore, there is a need in the art for a real-time air pathogen monitoring and identifying device.
In view of this, the present invention is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air pathogen real-time supervision identifier to solve above-mentioned at least one technical problem.
Specifically, the utility model provides an air pathogen real-time monitoring discriminator, which comprises a shell, a first monitoring module, a second monitoring module, a control module and a power supply module, wherein the first monitoring module comprises a sampling head, a first air pump and an aerosol sensor which are connected through a vent pipe, the sampling head is arranged on the shell and comprises a vent; the second monitoring module comprises a liquid storage bottle, a sampling needle, a second air pump, a sample adding device and an immunoassay analyzer, the liquid storage bottle is arranged outside the shell, the sample adding device comprises a liquid suction pump and a sample adding needle, an air inlet is formed in the liquid storage bottle, diluent or culture solution is arranged in the liquid storage bottle, the liquid storage bottle and the second air pump are connected through a vent pipe, the sampling needle extends into the liquid storage bottle, the sampling needle, the liquid suction pump and the sample adding needle are connected through a liquid through pipe, a chip moving device is arranged on the immunoassay analyzer, and a microfluidic chip is arranged on the chip moving device; the control module comprises a controller, and the first monitoring module, the second monitoring module and the power supply module are electrically connected with the controller; the aerosol sensor is used for monitoring the concentration of aerosol in air.
By adopting the technical scheme, the second monitoring module is started only when the first monitoring module monitors that the concentration exceeds the preset value, so that whether pathogens are contained can be detected only when the aerosols possibly cause pathogen infection, the automation and the effectiveness of pathogen detection are improved, and the waste of resources is prevented. If during the prevention and control of certain infectious disease, when crowd gathers and does not wear the gauze mask, the aerosol solubility rises, detects the pathogen this moment, can reduce the waste of resources that detects under the very low condition of aerosol solubility, can also carry out the identification of pathogen kind voluntarily when satisfying the condition, in time discover infectious disease pathogen to follow-up suggestion or early warning realizes real-time supervision, and the sampling appraisal is integrated.
Further, the liquid storage bottle comprises a bottle bottom and a bottle cap, the bottle bottom is conical, an air inlet is formed in the bottle cap, a cyclone plate is arranged at the air inlet and guides air to flow to the bottle wall of the liquid storage bottle, and the vent pipe penetrates through the center of the bottle cap.
By adopting the technical scheme, the cyclone technology is utilized to increase the gas-liquid contact area, accelerate the precipitation of the aerosol, improve the dissolution rate of the aerosol in the liquid storage bottle, improve the effectiveness and prevent false negative.
Further, the bottle cap is detachably connected with the bottle bottom.
In the specific implementation process, the bottle bottom and the bottle cap can be screwed or buckled.
By adopting the technical scheme, the bottle bottom can be conveniently subjected to sample adding, cleaning and liquid replacement.
Further, the casing is provided with the chamber that holds of indent, it is used for placing to hold the chamber the stock solution bottle, the top that holds the chamber sets up the opening for through breather pipe, liquid pipe.
By adopting the technical scheme, the liquid storage bottle is convenient to keep vertical, and a better cyclone separation effect is achieved.
Further, the sampling head is mushroom-shaped, and the lateral wall of sampling head sets up a plurality of vents.
By adopting the technical scheme, the top of the sampling head is closed, so that dust accumulation and liquid dripping and splashing are prevented.
Further, the control module comprises an operation panel, and the operation panel is electrically connected with the controller.
Furthermore, the operation panel adopts a touch screen.
By adopting the technical scheme, the parameter setting and parameter display are facilitated, and the prompt and alarm can be further carried out.
Furthermore, the sampling needles are provided in a plurality and have different lengths.
Adopt above-mentioned technical scheme, can extract the liquid of the different degree of depth in the stock solution bottle when once sampling measurement, prevent that liquid concentration is inhomogeneous to lead to the result inaccurate.
Further, the sample adding device further comprises a moving mechanism, the moving mechanism is connected with the shell, and the moving mechanism comprises a longitudinal moving assembly.
Further, the moving mechanism comprises a transverse moving assembly which is connected with a longitudinal moving assembly.
Further, the second monitoring module further comprises a sample retention tube.
By adopting the technical scheme, the micro-fluidic chip can be used for sample adding, and sample keeping is carried out in the sample keeping tube, so that retesting is facilitated.
Furthermore, the second monitoring module further comprises a washing liquid bottle, and washing liquid is stored in the washing liquid bottle.
By adopting the technical scheme, the sampling needle can sample and clean the pipeline by utilizing the moving mechanism, so that secondary identification is facilitated.
Further, a movable door is arranged on the shell.
By adopting the technical scheme, the movable door is convenient for filling or replacing liquid in the liquid washing bottle, taking out the sample retention tube and replacing the micro-fluidic chip.
Further, the sample adding device comprises a flow meter, and the flow meter is arranged on a liquid through pipe between the liquid suction pump and the sample adding needle.
By adopting the technical scheme, the flowmeter is electrically connected with the controller, and can accurately control the flow of the sample adding, sample reserving and cleaning processes.
Further, the power module includes a battery assembly.
By adopting the technical scheme, the portable battery pack is convenient to carry, reduces the requirement of an external power supply, is a rechargeable battery, can be charged in a wired mode, and can also be charged in a wireless mode.
Further, the real-time air pathogen monitoring and identifying instrument further comprises a wireless communication module, wherein the wireless communication module is electrically connected with the controller and comprises a wireless transceiver.
The wireless transceiver may perform wireless data transmission using technologies such as WI-FI, wireless direct (WI-FI), Bluetooth (Bluetooth), Near-Field Communication (NFC), and the like.
By adopting the technical scheme, the wireless transceiver transmits the signal to the workbench or the mobile terminal, so that the recording, monitoring and alarming are facilitated.
Further, air pathogen real-time supervision identifier still includes alarm module, alarm module with controller electric connection, alarm module includes bee calling organ.
Further, the alarm module also comprises a warning lamp.
Adopt above-mentioned technical scheme, when the discrimination result comes out, or when the pathogen was appraised as specific kind, alarm module reported to the police, the suggestion user looked over the discrimination result, changes the consumptive material, or in time reminds specific pathogen to appear, makes corresponding prevention and control measure, when the discrimination result comes out, the warning light lights, when the discrimination result is positive, bee calling organ sounds, the suggestion user gets into prevention and control emergency state.
The utility model discloses another aspect provides an identification method suitable for above-mentioned air pathogen real-time supervision discriminator, including following step:
starting a first monitoring module, an aerosol sensor and a first air pump to work;
judging whether the aerosol concentration in the detected air exceeds a set value or not, if so, closing the first monitoring module, and starting the second monitoring module;
the activating the second monitoring module comprises the following steps:
starting a second air pump, and collecting aerosol by using a liquid storage bottle, wherein the collection duration time is a preset time value;
closing the second air pump, quantitatively pumping the liquid in the liquid storage bottle by the liquid suction pump, and dropwise adding the liquid into the sample adding hole of the microfluidic chip;
and detecting by using an immunoassay analyzer to obtain an identification result.
Further, the authentication method comprises the steps of:
and sending the identification result to a workbench or a mobile terminal through a wireless communication module.
Further, the authentication method comprises the steps of:
and judging whether at least one of the identification results is positive, and if so, alarming through at least one of an alarm module and an operation panel.
Further, the activating the second monitoring module comprises the steps of:
the moving mechanism drives the sample adding needle to move, and the liquid pump quantitatively pumps the liquid in the liquid storage bottle and drops the liquid into the sample reserving tube.
Further, the activating the second monitoring module comprises the steps of:
the moving mechanism drives the sample adding needle to move and extend into the liquid washing bottle, and the liquid outlet pump reversely pumps liquid in the liquid washing bottle to wash the liquid through pipe and inject the liquid into the liquid storage bottle.
To sum up, the utility model discloses following beneficial effect has:
1. the second monitoring module is started only when the concentration monitored by the first monitoring module exceeds a preset value, so that whether pathogens are contained can be detected when the aerosols possibly cause pathogen infection, the automation and the effectiveness of pathogen detection are improved, resource waste is prevented, real-time monitoring and integration of sampling and identification are realized;
2. the cyclone technology is utilized to increase the gas-liquid contact area, accelerate the precipitation of the aerosol, improve the dissolution rate of the aerosol in the liquid storage bottle, improve the effectiveness and prevent false negative;
3. by the moving mechanism and the flowmeter, sample adding, sample reserving and cleaning can be carried out, and the flow can be accurately controlled;
4. through wireless transceiver, with signal transmission to workstation or removal end, be convenient for record, monitor and report to the police.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment of the real-time air pathogen monitoring and identifying apparatus of the present invention;
FIG. 2 is a cross-sectional view of one embodiment of the real-time air pathogen monitoring and identifying apparatus of the present invention;
FIG. 3 is a perspective view of another embodiment of the real-time air pathogen monitoring and identifying apparatus of the present invention;
FIG. 4 is a schematic circuit diagram of an embodiment of the real-time monitoring and identifying device for air pathogens according to the present invention;
FIG. 5 is a front view of one embodiment of a liquid storage bottle of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 5;
fig. 8 is a schematic diagram of the identification method of the air pathogen real-time monitoring identifier of the present invention.
Description of the reference numerals
Through the above reference sign explanation, combine the embodiment of the utility model, can more clearly understand and explain the technical scheme of the utility model.
1. A housing; 11. a movable door; 12. an accommodating chamber; 2. a first monitoring module; 21. a sampling head; 211. a vent; 22. a first air pump; 23. an aerosol sensor; 3. a second monitoring module; 31. a liquid storage bottle; 311. a sampling needle; 312. a bottle bottom; 313. a bottle cap; 3130. an air inlet; 3131. a cyclone plate; 32. a second air pump; 33. a sample adding device; 331. a moving mechanism; 332. a sample adding needle; 333. a liquid suction pump; 334. a flow meter; 34. an immunoassay analyzer; 341. a microfluidic chip; 342. a chip moving device; 35. a lotion bottle; 36. a sample tube is reserved; 41. a controller; 42. an operation panel; 5. a wireless communication module; 51. a wireless transceiver device; 6. a power supply module; 61. a battery assembly; 7. and an alarm module.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present invention will be described in detail below by way of examples.
Referring to fig. 1-4, in particular, the present invention provides an air pathogen real-time monitoring discriminator, which includes a housing 1, a first monitoring module 2, a second monitoring module 3, a control module, and a power module 6, where the first monitoring module 2 includes a sampling head 21, a first air pump 22, and an aerosol sensor 23 connected through a vent pipe, the sampling head 21 is disposed on the housing 1, and the sampling head 21 includes a vent 211; the second monitoring module 3 includes a liquid storage bottle 31, a sampling needle 311, a second air pump 32, a sample adding device 33, and an immunoassay analyzer 34, wherein the liquid storage bottle 31 is disposed outside the housing 1, the sample adding device 33 includes a liquid suction pump 333 and a sample adding needle 332, an air inlet 3130 is disposed on the liquid storage bottle 31, a diluent or a culture solution is disposed in the liquid storage bottle 31, the liquid storage bottle 31 and the second air pump 32 are connected through an air pipe, the sampling needle 311 extends into the liquid storage bottle 31, the sampling needle 311, the liquid suction pump 333 and the sample adding needle 332 are connected through a liquid pipe, a chip moving device 342 is disposed on the immunoassay analyzer 34, and a microfluidic chip 341 is disposed on the chip moving device 342; the control module comprises a controller 41 and an operation panel 42, the first monitoring module 2, the second monitoring module 3, the power module 6 and the operation panel 42 are electrically connected with the controller 41, and the operation panel 42 is arranged on the shell 1; the aerosol sensor 23 is used to monitor the concentration of aerosol in the air.
In the specific implementation process, except the sampling head 21, the liquid storage bottle 31, a part of the vent pipe and the liquid through pipe are arranged in the shell 1, other devices are all arranged in the shell 1, and the power module 6 can comprise a wire and a plug for supplying power and can also comprise a battery for supplying power by using the battery; the chip moving device 342 can use a motor, a hydraulic system, etc. to provide power, and use a rack and pinion, a screw nut, etc. to move, so as to drive the microfluidic chip 341 to enter a detection port of the immunoassay analyzer 34, and some immunoassay analyzers 34 have a moving tray to drive the microfluidic chip 341 to enter a machine body for identification. The first monitoring module 2 is configured to monitor whether aerosol concentration in air of a surrounding environment exceeds a preset value, the first air pump 22 provides power, the aerosol is sucked into a surrounding space from the vent 211 of the sampling head 21, flows to the aerosol sensor 23 through the vent pipe, monitors the aerosol concentration, transmits the aerosol concentration to the controller 41, determines whether the aerosol concentration exceeds the preset value, and may also send an early warning signal to the controller 41 when the aerosol concentration exceeds the preset value; if the pathogen species exceeds a preset value or receives an early warning signal, a second monitoring module 3 is started to identify the pathogen species, the second air pump 32 provides power for pumping ambient air, the air is in contact with a diluent or a culture solution in the liquid storage bottle 31, the diluent can be phosphate buffer solution, physiological saline and the like, the culture solution can be peptone, serum and other culture solutions, and the selection can be carried out according to the characteristics of the pathogen; the aerosol is dissolved in the liquid storage bottle 31, the process can be realized by extending a vent pipe into the liquid in the liquid storage bottle 31, and can also be realized by a cyclone separation technology, the sampling needle 311 provides power by using a liquid suction pump 333 to extract the liquid in the liquid storage bottle 31, the liquid is dripped into the microfluidic chip 341 by using a sample adding needle 332, the chip moving device 342 transfers the microfluidic chip 341 to the immunoassay analyzer 34 to perform chemiluminescence immunoassay by using technologies such as chemical method light, magnetic particle separation, microfluidic and the like, and the identification of specific pathogens is realized.
By adopting the technical scheme, the second monitoring module 3 is started only when the first monitoring module 2 monitors that the concentration exceeds the preset value, and whether pathogens are contained can be detected only when the aerosols possibly cause pathogen infection, so that the automation and the effectiveness of pathogen detection are improved, and the waste of resources is prevented. If during the prevention and control of certain infectious disease, when crowd gathers and does not wear the gauze mask, the aerosol solubility rises, detects the pathogen this moment, can reduce the waste of resources that detects under the very low condition of aerosol solubility, can also carry out the identification of pathogen kind voluntarily when satisfying the condition, in time discover infectious disease pathogen to follow-up suggestion or early warning realizes real-time supervision, and the sampling appraisal is integrated.
Referring to fig. 5 to 7, in a preferred embodiment of the present invention, the liquid storage bottle 31 includes a bottle bottom 312 and a bottle cap 313, the bottle bottom 312 is conical, an air inlet 3130 is disposed on the bottle cap 313, a cyclone plate 3131 is disposed at the air inlet 3130, the cyclone plate 3131 guides air to flow toward a bottle wall of the liquid storage bottle 31, and the air pipe passes through a center of the bottle cap 313.
In a specific implementation process, the cyclone plate 3131 at least includes an arc-shaped side plate, and may further include an upper bottom plate and a lower bottom plate connected to the arc-shaped side plate to collect the sucked air and keep the same air intake direction flowing toward the bottle wall, the opening of the air pipe is located near the plane of the bottom surface of the conical bottle bottom 312, the liquid in the liquid storage bottle 31 is one fourth to one half of the volume of the bottle bottom 312, the liquid may be injected through a liquid injection port provided on the liquid storage bottle 31, and the liquid may be injected and replaced by detaching the bottle bottom 312 and the bottle cap 313. The cyclone plate 3131 guides air to flow along the tube wall, blows liquid to form a vortex, increases a gas-liquid contact area, makes aerosol precipitate in the liquid by using a cyclone separation technology, and makes the air flow to the second air pump 32 from the central vent tube, and the housing 1 is provided with holes for ventilation and discharges the air pumped by the second air pump 32.
By adopting the technical scheme, the cyclone technology is utilized to increase the gas-liquid contact area, accelerate the precipitation of the aerosol, improve the dissolution rate of the aerosol in the liquid storage bottle 31, improve the effectiveness and prevent false negative.
In a preferred embodiment of the present invention, the bottle cap 313 is detachably connected to the bottle bottom 312.
In a specific implementation, the bottle bottom 312 and the bottle cap 313 may be screwed or fastened.
By adopting the technical scheme, the bottle bottom 312 can be conveniently subjected to sample adding, cleaning and liquid replacement.
In a preferred embodiment of the present invention, the sampling needle 311 is provided in a plurality of numbers, each having a different length.
Adopt above-mentioned technical scheme, can extract the liquid of the different degree of depth in the stock solution bottle 31 when once sampling measurement, prevent that liquid concentration is inhomogeneous to lead to the result inaccurate.
Referring to fig. 1-3, in a preferred embodiment of the present invention, the housing 1 is provided with an inner concave accommodating cavity 12, the accommodating cavity 12 is used for accommodating the liquid storage bottle 31, and the top of the accommodating cavity 12 is provided with an opening for passing through a vent pipe and a liquid through pipe.
In the specific implementation process, it is used for being to put or fix to hold to be provided with the mounting in the chamber 12 stock solution bottle 31 can set up hold the top of chamber 12, it is right through fixed breather pipe, liquid pipe stock solution bottle 31 fixes, also can set up cyclic annular subassembly for place the erlenmeyer flask end 312, can also set up the mobile device, drive stock solution bottle 31 removes, measures near air, stock solution bottle 31 can be placed for a long time in holding chamber 12, also can break away from holding chamber 12 at the during operation, places in the scope that breather pipe, liquid pipe length allowed, can measure the air that has the space of certain distance with casing 1. The liquid storage bottle 31 can be arranged in a plurality of positions so as to measure the positions.
By adopting the technical scheme, the liquid storage bottle 31 is convenient to keep vertical, a better cyclone separation effect is achieved, and the accommodating cavity 12 protects the liquid storage bottle 31 from colliding.
In a preferred embodiment of the present invention, the sampling head 21 is mushroom-shaped, and a plurality of vents 211 are provided on a side wall of the sampling head 21.
By adopting the technical scheme, the top of the sampling head 21 is closed, so that dust accumulation and liquid dripping and splashing are prevented.
In a preferred embodiment of the present invention, the control module includes an operation panel, and the operation panel 42 is electrically connected to the controller 41.
In a preferred embodiment of the present invention, the operation panel 42 is a touch panel and is disposed on the housing 1.
By adopting the technical scheme, the parameter setting and parameter display are facilitated, and the prompt and alarm can be further carried out.
In a preferred embodiment of the present invention, the sample adding device 33 further includes a moving mechanism 331, the moving mechanism 331 is connected to the housing 1, and the moving mechanism 331 includes a longitudinal moving component.
In a preferred embodiment of the present invention, the moving mechanism 331 includes a lateral moving component, and the lateral moving component is connected with a longitudinal moving component.
By adopting the above technical scheme, the longitudinal and/or transverse movement of the sample adding needle 332 can be controlled so as to better align with the sample adding hole of the microfluidic chip 341 for sample adding.
In a preferred embodiment of the present invention, the second monitoring module 3 further includes a sample retention tube 36.
In a specific implementation process, the transverse moving assembly and the longitudinal moving assembly can move by adopting lead screw nuts, can also move by adopting gear racks and gear chains, and can also move by adopting a push rod motor to drive the sample adding needle 332 to move so as to realize sample adding on the microfluidic chip 341 or the sample holding tube 36; the sample retention tube 36 is fixed in the housing 1 by means of a bracket or boss.
By adopting the technical scheme, the microfluidic chip 341 can sample and the sample can be reserved in the sample reserving tube 36, so that retesting is facilitated.
In a preferred embodiment of the present invention, the second monitoring module 3 further includes a washing liquid bottle 35, and a washing liquid is stored in the washing liquid bottle 35.
In the specific implementation process, the cleaning solution may be water or a disinfectant, or a plurality of cleaning solution bottles 35 may be used, in which water or a disinfectant is placed respectively, the sample adding needle 332 is used to suck the disinfectant, the whole cleaning solution pipeline is disinfected, and then washed with water to remove the residual disinfectant, the liquid sucking pumps 333 in the front direction and the back direction may be used, or the flow direction of the liquid may be changed by the four-way valve, so that the liquid is finally collected in the liquid storage bottle 31, and then the liquid in the liquid storage bottle 31 is poured or replaced, or even a new liquid storage bottle 31 is replaced.
By adopting the technical scheme, the sampling needle 311 is used for sampling and cleaning the pipeline by using the moving mechanism 331, so that secondary identification is facilitated.
In a preferred embodiment of the present invention, a movable door 11 is provided on the housing 1.
By adopting the technical scheme, the movable door 11 is convenient for filling or replacing liquid in the liquid washing bottle 35, taking out the sample retention tube 36 and replacing the microfluidic chip 341.
Referring to fig. 2 and 4, in a preferred embodiment of the present invention, the sample adding device 33 includes a flow meter 334, and the flow meter 334 is disposed on the liquid passing tube between the liquid suction pump 333 and the sample adding needle 332.
By adopting the technical scheme, the flow meter 334 is electrically connected with the controller 41, so that the flow of the sample adding, sample reserving and cleaning processes can be accurately controlled.
In a preferred embodiment of the present invention, the power module 6 includes a battery assembly 61.
Adopt above-mentioned technical scheme, portable reduces external power supply's demand, battery module 61 is chargeable battery, and the accessible is wired to charge, also can adopt wireless charging.
In a preferred embodiment of the present invention, the real-time monitoring discriminator for air pathogens further comprises a wireless communication module 5, the wireless communication module 5 is electrically connected to the controller 41, and the wireless communication module 5 comprises a wireless transceiver 51.
The wireless transceiver 51 may perform wireless data transmission using technologies such as WI-FI, wireless direct (WI-FI), Bluetooth (Bluetooth), Near-Field Communication (NFC), and the like.
By adopting the technical scheme, the signal is transmitted to the workbench or the mobile terminal through the wireless transceiver 51, so that the recording, monitoring and alarming are facilitated.
In a preferred embodiment of the present invention, the real-time monitoring discriminator for air pathogens further comprises an alarm module 7, the alarm module 7 is electrically connected to the controller 41, and the alarm module 7 comprises a buzzer.
In a preferred embodiment of the present invention, the alarm module 7 further includes a warning light.
Adopt above-mentioned technical scheme, when the discrimination result comes out, or when the pathogen was appraised as specific kind, alarm module 7 reported to the police, the suggestion user looked over the discrimination result, changes the consumptive material, or in time reminds specific pathogen to appear, makes corresponding prevention and control measure, when the discrimination result comes out, the warning light lights, when the discrimination result is positive, bee calling organ sounds, the suggestion user gets into prevention and control emergency state.
Referring to fig. 8, another aspect of the present invention provides an identification method suitable for the above real-time air pathogen monitoring identifier, comprising the following steps:
s100, starting the first monitoring module 2, and operating the aerosol sensor 23 and the first air pump 22;
s200, judging whether the concentration of aerosol in the detected air exceeds a set value, if so, S300, closing the first monitoring module 2, and starting the second monitoring module 3;
s300, the step of closing the first monitoring module 2 and the step of starting the second monitoring module 3 comprises the following steps:
s310, closing the first monitoring module 2;
s320, starting a second air pump 32, collecting aerosol by using the liquid storage bottle 31, wherein the collection duration time is a preset time value;
s330, closing the second air pump 32, quantitatively pumping the liquid in the liquid storage bottle 31 by the liquid suction pump 333, and dropwise adding the liquid into the sample adding hole of the microfluidic chip 341;
and S340, detecting by the immunity analyzer 34 to obtain an identification result.
In a preferred embodiment of the present invention, the authentication method comprises the steps of:
and S400, sending the identification result to a workbench or a mobile terminal through the wireless communication module 5.
In a preferred embodiment of the present invention, the authentication method comprises the steps of:
s500, judging whether at least one of the identification results is positive, and if so, alarming through at least one of the alarm module 7 and the operation panel 42.
In a preferred embodiment of the present invention, the step of s300. starting the second monitoring module 3 includes the following steps:
s350, the moving mechanism 331 drives the sample adding needle 332 to move, and the liquid outlet pump quantitatively pumps the liquid in the liquid storage bottle 31 and dropwise adds the liquid into the sample reserving pipe 36.
In a preferred embodiment of the present invention, the step of s300. starting the second monitoring module 3 includes the following steps:
s360, the moving mechanism 331 drives the sample adding needle 332 to move and extend into the liquid washing bottle 35, and the liquid outlet pump reversely pumps liquid in the liquid washing bottle 35 to wash the liquid through pipe and inject the liquid into the liquid storage bottle 31.
It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present invention.
Claims (10)
1. The real-time air pathogen monitoring discriminator is characterized by comprising a shell (1), a first monitoring module (2), a second monitoring module (3), a control module and a power supply module (6), wherein the first monitoring module (2) comprises a sampling head (21), a first air pump (22) and an aerosol sensor (23) which are connected through a vent pipe, the sampling head (21) is arranged on the shell (1), and the sampling head (21) comprises a vent hole (211); the second monitoring module (3) comprises a liquid storage bottle (31), a sampling needle (311), a second air pump (32), a sample adding device (33) and an immunoassay analyzer (34), the liquid storage bottle (31) is arranged outside the shell (1), the sample adding device (33) comprises a liquid suction pump (333) and a sample adding needle (332), an air inlet (3130) is arranged on the liquid storage bottle (31), a diluent or a culture solution is arranged in the liquid storage bottle (31), the liquid storage bottle (31) and the second air pump (32) are connected through a vent pipe, the sampling needle (311) extends into the liquid storage bottle (31), the sampling needle (311), the liquid suction pump (333) and the sample adding needle (332) are connected through a liquid through pipe, a chip moving device (342) is arranged on the immunoassay analyzer (34), and a microfluidic chip (341) is arranged on the chip moving device (342); the control module comprises a controller (41); the first monitoring module (2), the second monitoring module (3), the power supply module (6) and the controller (41) are electrically connected; the aerosol sensor (23) is used to monitor the concentration of aerosol in the air.
2. The real-time air pathogen monitoring and identifying instrument according to claim 1, wherein: the liquid storage bottle (31) comprises a bottle bottom (312) and a bottle cap (313), the bottle bottom (312) is conical, an air inlet (3130) is formed in the bottle cap (313), a cyclone plate (3131) is arranged at the position of the air inlet (3130), the cyclone plate (3131) guides air to flow towards the bottle wall of the liquid storage bottle (31), and the vent pipe penetrates through the center of the bottle cap (313).
3. The real-time air pathogen monitoring and identifying instrument according to claim 2, wherein: the bottle cap (313) is detachably connected with the bottle bottom (312).
4. The real-time air pathogen monitoring and identifying instrument according to claim 2 or 3, wherein: the sampling needles (311) are arranged in a plurality and have different lengths.
5. The real-time air pathogen monitoring and identifying instrument according to claim 4, wherein: the sample adding device (33) further comprises a moving mechanism (331), the moving mechanism (331) is connected with the shell (1), the moving mechanism (331) comprises a longitudinal moving component and a transverse moving component, and the transverse moving component is connected with the longitudinal moving component.
6. The real-time air pathogen monitoring and identifying instrument according to claim 5, wherein: the second monitoring module (3) further comprises a sample retention tube (36).
7. The real-time air pathogen monitoring and identifying instrument according to claim 6, wherein: the second monitoring module (3) further comprises a washing liquid bottle (35), and washing liquid is stored in the washing liquid bottle (35).
8. The real-time air pathogen monitoring and identifying instrument according to any one of claims 5 to 7, wherein: the sample adding device (33) comprises a flow meter (334), and the flow meter (334) is arranged on a liquid through pipe between the liquid suction pump (333) and the sample adding needle (332).
9. The real-time air pathogen monitoring and identifying instrument according to claim 8, wherein: the real-time air pathogen monitoring and identifying instrument further comprises a wireless communication module (5), wherein the wireless communication module (5) is electrically connected with the controller (41), and the wireless communication module (5) comprises a wireless transceiver (51).
10. The real-time air pathogen monitoring and identifying instrument according to claim 9, wherein: the real-time air pathogen monitoring discriminator further comprises an alarm module (7), the alarm module (7) is electrically connected with the controller (41), and the alarm module (7) comprises a buzzer.
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| CN112014528A (en) * | 2020-09-15 | 2020-12-01 | 北京赫尔默技术有限公司 | Real-time monitoring and identifying instrument and method for air pathogens |
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| CN112014528A (en) * | 2020-09-15 | 2020-12-01 | 北京赫尔默技术有限公司 | Real-time monitoring and identifying instrument and method for air pathogens |
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