CN113676538B - Virus monitoring equipment, method and system based on Internet of things - Google Patents
Virus monitoring equipment, method and system based on Internet of things Download PDFInfo
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- CN113676538B CN113676538B CN202110957272.0A CN202110957272A CN113676538B CN 113676538 B CN113676538 B CN 113676538B CN 202110957272 A CN202110957272 A CN 202110957272A CN 113676538 B CN113676538 B CN 113676538B
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- H—ELECTRICITY
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Abstract
The invention discloses a virus monitoring device, a method and a system based on the Internet of things, wherein the device comprises an infrared searcher, an upper computer and a cloud server, the infrared searcher comprises an optical processing assembly and a signal processing assembly, and the optical processing assembly comprises a search scanning mirror, an objective lens, a first intermediate mirror, a second intermediate mirror, a projection mirror and an infrared detector which are sequentially arranged; the signal processing assembly comprises an infrared driving imaging mechanism, a searching and tracking processing mechanism and a servo control mechanism, and the infrared driving imaging mechanism is used for outputting virus digital images; the search tracking processing mechanism is electrically connected with the infrared driving imaging mechanism, the servo control mechanism is electrically connected with the search tracking processing mechanism, the upper computer is connected with the signal processing component, and the upper computer is in communication connection with the cloud server. The invention has convenient test and high virus identification precision; the degree of automation is high, promotes medical personnel's work efficiency.
Description
Technical Field
The invention relates to the technical field of medical monitoring, and particularly discloses virus monitoring equipment, method and system based on the Internet of things.
Background
A virus (Biological virus) is a non-cellular organism that is tiny, simple in structure, contains only one nucleic acid (DNA or RNA), and must be parasitic and replicated in living cells.
The virus is a non-cellular life form, which is composed of a long chain of nucleic acids and a protein coat, and the virus has no own metabolic mechanism and no enzyme system. Thus, the virus leaves the host cell and becomes a chemical that does not have any vital activity and is unable to self-propagate independently. Its ability to replicate, transcribe and translate is performed in the host cell, and when it enters the host cell, it can use the substances and energy in the cell to complete the life activity, producing the same new generation virus as it according to the genetic information contained in its own nucleic acid. Novel coronavirus pneumonia (Corona Virus Disease 2019, covd-19), abbreviated "new coronavirus pneumonia". According to the prior case data, the novel coronavirus pneumonia mainly shows fever, dry cough, hypodynamia and the like, and a few patients are accompanied with symptoms of upper respiratory tract and digestive tract such as nasal obstruction, nasal discharge, diarrhea and the like. In severe cases, dyspnea occurs after 1 week, and severe cases rapidly progress to acute respiratory distress syndrome, septic shock, metabolic acidosis and coagulation dysfunction, multiple organ failure, etc., which are difficult to correct. It is notable that the patients with severe and critical diseases can be middle-low fever in their course, even without obvious fever. The light patients only show low fever, slight hypodynamia and the like, and have no pneumonia. The existing methods for detecting the new coronaries mainly comprise body temperature detection, yellow-green-red row code detection and nucleic acid detection, but the detection methods have the defects of low detection precision and inconvenient operation.
Therefore, the above-mentioned defects existing in the existing new coronaries pneumonia detection are a technical problem to be solved.
Disclosure of Invention
The invention provides a virus monitoring device, method and system based on the Internet of things, and aims to solve the technical problem of the defects in the existing new coronaries pneumonia detection.
The invention relates to a virus monitoring device based on the Internet of things, which comprises an infrared searcher, an upper computer and a cloud server, wherein the infrared searcher comprises an optical processing component and a signal processing component, and the optical processing component comprises a search scanning mirror, an objective lens, a first intermediate mirror, a second intermediate mirror, a projection mirror and an infrared detector which are sequentially arranged; the signal processing component comprises an infrared driving imaging mechanism, a searching and tracking processing mechanism and a servo control mechanism, wherein,
the infrared driving imaging mechanism is electrically connected with the infrared detector and is used for outputting a virus digital image;
the searching and tracking processing mechanism is electrically connected with the infrared driving imaging mechanism and is used for sending out a starting signal, searching a virus panoramic image and giving out virus types, threat degrees and liveness information; the servo control mechanism is electrically connected with the searching and tracking processing mechanism and is used for receiving a starting signal sent by the searching and tracking processing mechanism, driving and controlling the optical processing assembly and feeding back the position of the lens group of the optical processing assembly to the searching and tracking processing mechanism in real time;
the upper computer is electrically connected with the signal processing component and is used for controlling the infrared searcher, displaying the virus panoramic image searched by the searching and tracking processing mechanism and giving out the information of virus types, threat degrees and liveness;
the upper computer is in communication connection with the cloud server and is used for transmitting the virus panoramic image searched by the searching and tracking processing mechanism and the given virus type, threat degree and liveness information to the cloud server for storage.
Further, the servo control mechanism comprises a servo controller, a first servo motor, a second servo motor, a first gear reducer, a second gear reducer and a spectrum sensor, wherein the servo controller is respectively and electrically connected with the spectrum sensor, the first servo motor and the second servo motor, the first servo motor is connected with the first intermediate mirror through the first gear reducer, the second servo motor is connected with the second intermediate mirror through the second gear reducer, the servo controller is used for receiving virus information detected by the spectrum sensor and controlling the first servo motor and/or the second servo motor to adjust the relative distance and the azimuth of the first intermediate mirror and/or the second intermediate mirror so as to enable viruses displayed on the upper computer to be located in the center of the display.
Further, the signal processing assembly further comprises a power supply mechanism which is respectively and electrically connected with the infrared driving imaging mechanism, the searching and tracking processing mechanism and the servo control mechanism and is used for supplying power to the infrared driving imaging mechanism, the searching and tracking processing mechanism and the servo control mechanism.
Further, the infrared driving imaging mechanism comprises an FPGA chip, the searching and tracking processing mechanism comprises a DSP chip, and the model of the FPGA chip is XC7K325T-2FFG900I of Xilinx company; the model of the DSP chip is TMS320C6678 of TI company.
Another aspect of the present invention relates to a virus monitoring method, applied to the above virus monitoring device based on the internet of things, the virus monitoring method comprising the following steps:
receiving a virus digital image output by an infrared driving imaging mechanism;
the method comprises the steps of obtaining virus morphology in a virus digital image received by an infrared driving imaging mechanism, comparing morphology features of the obtained virus with each virus morphology feature model preset in a virus database, and identifying virus type, threat degree and liveness information;
and sending out corresponding virus alarm information according to the identified virus type, threat level and liveness information.
Further, the step of receiving the virus digital image output by the infrared driving imaging mechanism further comprises the following steps:
the search scanning mirror is controlled to reciprocate in azimuth and pitching to realize large airspace search.
Further, the step of controlling the search scanning mirror to reciprocate in azimuth and elevation to realize large airspace search comprises the following steps:
a 45-degree search scanning mirror is adopted to rotate around the azimuth axis for one circle, so that the panoramic scanning of azimuth is completed;
lifting or lowering 5 degrees in the pitching direction, and rotating around the azimuth axis for one circle to finish Zhou Sao of the next pitching angle;
and (3) sequentially and reciprocally cycling until the search of the preset airspace is completed and viruses in the preset airspace are collected.
The invention also relates to a virus monitoring system applied to the virus monitoring equipment based on the Internet of things, and the virus monitoring system comprises:
the receiving module is used for receiving the virus digital image output by the infrared driving imaging mechanism;
the comparison module is used for acquiring virus forms in the virus digital images received by the infrared drive imaging mechanism, comparing the acquired virus form characteristics with each virus form characteristic model preset in the virus database, and identifying virus types, threat degrees and liveness information;
and the alarm module is used for sending out corresponding virus alarm information according to the identified virus type, threat degree and liveness information.
Further, the virus monitoring system further comprises:
and the searching module is used for controlling the searching scanning mirror to reciprocate in azimuth and pitching so as to realize large airspace searching.
Further, the search module includes:
the first searching unit is used for adopting the 45-degree searching scanning mirror to rotate around the azimuth axis for one circle to finish the panoramic scanning of the azimuth;
the second searching unit is used for lifting or lowering 5 degrees in the pitching direction and rotating around the azimuth axis for one circle to finish Zhou Sao of the next pitching angle;
the acquisition unit is used for sequentially and reciprocally cycling until the search of the preset airspace is completed and acquiring viruses in the preset airspace.
The beneficial effects obtained by the invention are as follows:
the invention provides a virus monitoring device, a method and a system based on the Internet of things, which adopt an infrared searcher, an upper computer and a cloud server, wherein the infrared searcher comprises an optical processing assembly and a signal processing assembly, and the optical processing assembly comprises a search scanning mirror, a first intermediate mirror, a second intermediate mirror, a projection mirror and an infrared detector which are sequentially arranged; the signal processing assembly comprises an infrared driving imaging mechanism, a searching and tracking processing mechanism and a servo control mechanism, and the infrared driving imaging mechanism is used for outputting virus digital images; the searching and tracking processing mechanism is used for sending a starting signal, searching a virus panoramic image and giving information of virus types, threat degrees and liveness; the servo control mechanism is used for receiving the starting signal sent by the searching and tracking processing mechanism, driving and controlling the optical processing assembly and feeding back the position of the lens group of the optical processing assembly to the searching and tracking processing mechanism in real time; the upper computer is used for controlling the infrared searcher, displaying the virus panoramic image searched by the searching and tracking processing mechanism and giving out the information of virus types, threat degrees and liveness; the upper computer is used for transmitting the virus panoramic image searched by the searching and tracking processing mechanism and the information of the given virus types, threat degrees and liveness to the cloud server for storage. The virus monitoring equipment, method and system based on the Internet of things provided by the invention are convenient to test and high in virus identification precision; the degree of automation is high, promotes medical personnel's work efficiency.
Drawings
FIG. 1 is a functional block diagram of an embodiment of a virus monitoring device based on the Internet of things provided by the present invention;
FIG. 2 is a light path diagram of one embodiment of the optical processing assembly shown in FIG. 1;
FIG. 3 is a general block diagram of one embodiment of the optical processing component and signal processing component shown in FIG. 1;
FIG. 4 is a schematic diagram of a connection control of one embodiment of the servo control mechanism shown in FIG. 1;
FIG. 5 is a flowchart of a first embodiment of a virus monitoring method according to the present invention;
FIG. 6 is a flowchart of a second embodiment of a virus monitoring method according to the present invention;
FIG. 7 is a detailed flow chart of the step of controlling the search mirror to reciprocate in azimuth and elevation to achieve large airspace search shown in FIG. 6;
FIG. 8 is a working schematic diagram of a search scanning mirror in the virus monitoring equipment based on the Internet of things, which is provided by the invention;
FIG. 9 is a functional block diagram of a first embodiment of a virus monitoring system provided by the present invention;
FIG. 10 is a functional block diagram of a second embodiment of a virus monitoring system provided by the present invention;
FIG. 11 is a functional block diagram of an embodiment of the search module shown in FIG. 10.
Reference numerals illustrate:
100. an infrared searcher; 200. an upper computer; 300. the cloud server; 110. an optical processing assembly; 120. a signal processing component; 111. searching a scanning mirror; 112. an objective lens; 113. a first intermediate mirror; 114. a second intermediate mirror; 115. a projection lens; 116. an infrared detector; 121. an infrared-driven imaging mechanism; 122. searching and tracking processing mechanism; 123. a servo control mechanism; 1231. a servo controller; 1232. a first servo motor; 1233. a second servo motor; 1234. a first gear reducer; 1235. a second gear reducer; 1236. a spectral sensor; 124. a power supply mechanism; 10. a receiving module; 20. a comparison module; 30. an alarm module; 40. a search module; 41. a first search unit; 42. a second search unit; 43. and an acquisition unit.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, a first embodiment of the present invention proposes a virus monitoring device based on the internet of things, the virus monitoring device based on the internet of things includes an infrared searcher 100, an upper computer 200 and a cloud server 300, the infrared searcher 100 includes an optical processing component 110 and a signal processing component 120, the optical processing component 110 includes a search scanning mirror 111, an objective lens 112, a first intermediate mirror 113, a second intermediate mirror 114, a projection mirror 115 and an infrared detector 116 which are sequentially arranged; the signal processing assembly 120 comprises an infrared driving imaging mechanism 121, a searching and tracking processing mechanism 122 and a servo control mechanism 123, wherein the infrared driving imaging mechanism 121 is electrically connected with the infrared detector 116 and is used for outputting a virus digital image; the search tracking processing mechanism 122 is electrically connected with the infrared driving imaging mechanism 121 and is used for sending out a starting signal, searching virus panoramic images and giving out virus types, threat degrees and liveness information; the servo control mechanism 123 is electrically connected with the search tracking processing mechanism 122, and is used for receiving a starting signal sent by the search tracking processing mechanism 122, driving and controlling the optical processing assembly 110, and feeding back the lens group position of the optical processing assembly 110 to the search tracking processing mechanism 122 in real time; the upper computer 200 is electrically connected with the signal processing component 120 and is used for controlling the infrared searcher 100, displaying the virus panoramic image searched by the search tracking processing mechanism 122 and giving information of virus types, threat degrees and liveness; the upper computer 200 is in communication connection with the cloud server 300, and is configured to transmit the virus panoramic image searched by the search tracking processing mechanism 122 and the given virus type, threat level and liveness information to the cloud server 300 for storage.
In the above-mentioned structure, please refer to fig. 4, fig. 4 is a schematic connection control diagram of an embodiment of the servo control mechanism shown in fig. 1, in this embodiment, the servo control mechanism 123 includes a servo controller 1231, a first servo motor 1232, a second servo motor 1233, a first gear reducer 1234, a second gear reducer 1235, and a spectrum sensor 1236, the servo controller 1231 is electrically connected to the spectrum sensor 1236, the first servo motor 1232, and the second servo motor 1233, the first servo motor 1232 is connected to the first intermediate mirror 113 through the first gear reducer 1234, the second servo motor 1233 is connected to the second intermediate mirror 114 through the second gear reducer 1235, the servo controller 1231 is used for receiving virus information detected by the spectrum sensor 1236, and controlling the first servo motor 1232 and/or the second servo motor 1233 to adjust the relative distance and orientation of the first intermediate mirror 113 and/or the second intermediate mirror 114 so as to center the virus displayed on the upper computer 200 on the display. Wherein the first gear reducer 1234 and the second gear reducer 1235 can employ existing gear reduction mechanisms. According to the virus monitoring equipment based on the Internet of things, the relative distance and the direction of the first intermediate mirror 113 and/or the second intermediate mirror 114 are automatically adjusted through the servo controller 1231, so that manual focal length adjustment is not needed, and the use is convenient; the virus identification precision is high; the degree of automation is high, promotes medical personnel's work efficiency.
Further, referring to fig. 3, the virus monitoring device based on the internet of things provided by the invention, the signal processing assembly 120 further comprises a power supply mechanism 124, which is electrically connected with the infrared driving imaging mechanism 121, the search tracking processing mechanism 122 and the servo control mechanism 123 respectively, and is used for supplying power to the infrared driving imaging mechanism 121, the search tracking processing mechanism 122 and the servo control mechanism 123. For example, the infrared driving imaging mechanism 121 includes an FPGA chip, the search tracking processing mechanism 122 includes a DSP chip, and the model of the FPGA chip adopts XC7K325T-2FFG900I manufactured by Xilinx company; the model of the DSP chip adopts TMS320C6678 of TI company.
The optical processing component 110 is used for searching a target in a preset airspace, and finally infrared imaging is performed on the infrared detector, so that the target is one of the core components of the system. The optical processing unit 110 is severely limited in size and weight, so the overall search mode adopts the search mirror 100 to reciprocate in azimuth and pitch to realize large-space search so as to complete the reflection of the parallel rays of the electron beam.
The signal processing component 120 realizes target detection and tracking of the video signal output by the infrared detector 116, gives information such as virus panoramic images, virus types, threat degrees, liveness information and the like, and outputs the information to the upper computer 200 for display. The upper computer 200 may be a fixed terminal or a mobile terminal. The fixed terminal may be a desktop computer. The mobile terminal may be a mobile handset, iPad, mobile handset, or the like.
The signal processing component 120 is composed of hardware circuitry and embedded software. The hardware circuit is mainly divided into four circuit boards, namely an infrared driving imaging board 121, a searching and tracking processing board 122, a servo control board 123 and a power supply board 124, and the overall composition and architecture are shown in the following figure 3.
The hardware system adopts a multi-core DSP+high-performance FPGA scheme. The DSP adopts the latest generation 8-core TMS320C6678 of TI company and has 10GHz processing capacity; the FPGA adopts Kintex-7 (K7) series XC7K325T-2FFG900I of Xilinx company, has 326 and 080 logic units, has strong data processing capacity in combination, and can complete the data processing functions of full-field virus target search detection, capture, tracking, virus type judgment, virus threat degree judgment and the like; and can expand multiple peripheral interfaces, such as multiple RS422, RS232 interfaces, gigabit network ports, etc., to realize the functions of communication control and image output of peripheral equipment, such as positioning and orientation device.
Please refer to fig. 5, fig. 5 is a flow chart of a first embodiment of a virus monitoring method provided by the present invention, which is applied to the above-mentioned virus monitoring device based on the internet of things, in this embodiment, the virus monitoring method includes the following steps:
step S100, a virus digital image output by the infrared driving imaging mechanism is received.
The infrared driving imaging mechanism is connected with the virus imaging information detected by the optical processing component 110, and outputs a virus digital image.
Step 200, the virus morphology in the virus digital image received by the infrared driving imaging mechanism is obtained, the morphology features of the obtained virus are compared with each virus morphology feature model preset in a virus database, and the virus type, threat degree and liveness information are identified.
The method comprises the steps of obtaining virus morphology in a virus digital image received by an infrared drive imaging mechanism, comparing morphology features of the obtained virus with each virus morphology feature model preset in a virus database, identifying virus type, threat degree and liveness information, and determining the virus as corresponding virus if the morphology features of the obtained virus are matched with the corresponding virus morphology feature models preset in the virus database. The virus database is an autonomous learning type number stock, and the latest virus information can be updated in real time through autonomous learning.
Step S300, sending out corresponding virus alarm information according to the identified virus type, threat level and liveness information.
And according to the comparison result, identifying the virus type, threat degree and liveness information, and if the threat degree of the identified virus type is dangerous, and has high liveness and strong infectivity, controlling the audible and visual alarm to carry out audible and visual alarm.
Compared with the prior art, the virus monitoring method provided by the embodiment receives the virus digital image output by the infrared driving imaging mechanism; the method comprises the steps of obtaining virus morphology in a virus digital image received by an infrared driving imaging mechanism, comparing morphology features of the obtained virus with each virus morphology feature model preset in a virus database, and identifying virus type, threat degree and liveness information; and sending out corresponding virus alarm information according to the identified virus type, threat level and liveness information. The virus monitoring method provided by the embodiment is convenient to test and high in virus identification precision; the degree of automation is high, promotes medical personnel's work efficiency.
Further, please refer to fig. 6, fig. 6 is a flow chart of a second embodiment of the virus monitoring method provided by the present invention, and based on the first embodiment, the virus monitoring method provided by the present embodiment further includes, before step S100:
and step S100A, controlling the search scanning mirror to reciprocate in azimuth and pitching to realize large airspace search.
The optical processing component is used for searching a virus target in a preset airspace and finally carrying out infrared imaging on an infrared detector, and is one of the core components of the system. The optical processing assembly is strictly limited in size and weight, and the overall searching mode adopts a mode of controlling the searching scanning mirror to reciprocate in azimuth and pitching to realize large airspace searching.
Further, please refer to fig. 7, fig. 7 is a detailed flow chart of step S100A shown in fig. 6, in this embodiment, step S100A includes:
and S110, rotating the 45-degree searching scanning mirror around the azimuth axis for one circle to finish the panoramic scanning of the azimuth.
Step S120, lifting or lowering 5 degrees in the pitching direction, and rotating around the azimuth axis for one circle to finish the circumferential scanning of the next pitching angle.
Step S130, sequentially and reciprocally cycling until the search of the preset airspace is completed and viruses in the preset airspace are acquired.
As shown in fig. 8, fig. 8 is a schematic diagram of the operation of a search scanning mirror in the virus monitoring device based on the internet of things, where the instantaneous field of view of the optical processing component is 4 ° (azimuth) ×5 ° (pitch), and the search scanning mirror completes the circumferential scanning and the circumferential scanning at the pitch angle until the reflection of the parallel light rays of the electron beam in the predetermined airspace is completed.
According to the virus monitoring method provided by the embodiment, the 45-degree search scanning mirror is adopted to rotate around the azimuth axis of the virus monitoring mirror for one circle, so that the panoramic scanning of the azimuth is completed; lifting or lowering 5 degrees in the pitching direction, and rotating around the azimuth axis for one circle to finish Zhou Sao of the next pitching angle; and (3) sequentially and reciprocally cycling until the search of the preset airspace is completed and viruses in the preset airspace are collected. The virus monitoring method provided by the embodiment has good adjustable performance and high automation degree; the scanning speed is high and the image definition is high.
Please refer to fig. 9, fig. 9 is a functional block diagram of a first embodiment of a virus monitoring system provided by the present invention, where in this embodiment, the virus monitoring system is applied to the above-mentioned virus monitoring device based on internet of things, and includes a receiving module 10, a comparing module 20 and an alarm module 30, where the receiving module 10 is configured to receive a virus digital image output by an infrared driving imaging mechanism; the comparison module 20 is used for acquiring virus morphology in the virus digital image received by the infrared drive imaging mechanism, comparing the morphology features of the acquired virus with each virus morphology feature model preset in the virus database, and identifying virus type, threat degree and liveness information; the alarm module 30 is configured to send out a corresponding virus alarm message according to the identified virus type, threat level and liveness information.
The infrared driving imaging mechanism 121 is connected with the virus imaging information detected by the optical processing component 110, and outputs a virus digital image. The receiving module 10 receives the virus digital image output from the infrared drive imaging mechanism 121.
The comparison module 20 obtains the virus morphology in the virus digital image received by the infrared driving imaging mechanism, compares the morphology feature of the obtained virus with each virus morphology feature model preset in the virus database, identifies the virus type, threat degree and liveness information, and determines the virus as the corresponding virus if the morphology feature of the obtained virus is matched with the corresponding virus morphology feature model preset in the virus database. The virus database is an autonomous learning type number stock, and the latest virus information can be updated in real time through autonomous learning.
The alarm module 30 identifies the virus type, threat level and liveness information according to the comparison result, and if the threat level of the identified virus type is dangerous and has high liveness and strong infectivity, the audible and visual alarm is controlled to carry out audible and visual alarm.
Compared with the prior art, the virus monitoring system provided by the embodiment receives the virus digital image output by the infrared driving imaging mechanism; the method comprises the steps of obtaining virus morphology in a virus digital image received by an infrared driving imaging mechanism, comparing morphology features of the obtained virus with each virus morphology feature model preset in a virus database, and identifying virus type, threat degree and liveness information; and sending out corresponding virus alarm information according to the identified virus type, threat level and liveness information. The virus monitoring system provided by the embodiment is convenient to test and high in virus identification precision; the degree of automation is high, promotes medical personnel's work efficiency.
Further, referring to fig. 10, fig. 10 is a functional block diagram of a second embodiment of the virus monitoring system provided by the present invention, and on the basis of the first embodiment, the virus monitoring system further includes a search module 40, where the search module 40 is configured to control the search scanning mirror to reciprocate in azimuth and pitch to implement large airspace search.
The optical processing component is used for realizing target searching, image racemization and image stabilization of a preset airspace, and finally carrying out infrared imaging on an infrared detector, so that the optical processing component is one of the core components of the system. The optical processing assembly is strictly limited in volume and weight, and the overall searching mode of the searching module 40 adopts the plane scanning mirror to reciprocate in azimuth and pitching to realize large airspace searching so as to complete the reflection of the parallel rays of the electron beam.
Preferably, please refer to fig. 11, fig. 11 is a functional block diagram of an embodiment of the search module shown in fig. 10, in which the search module 40 includes a first search unit 41, a second search unit 42 and an acquisition unit 43, wherein the first search unit 41 is configured to rotate a rotation of the first search unit 41 around its azimuth axis by using a 45 ° search scanning mirror to complete a panoramic scanning of the azimuth; a second search unit 42 for lifting or lowering by 5 ° in the pitch direction and rotating around the azimuth axis for one revolution to complete Zhou Sao of the next pitch angle; and the acquisition unit 43 is used for sequentially and reciprocally cycling until the search of the preset airspace is completed and acquiring viruses in the preset airspace.
As shown in fig. 7, fig. 7 is a schematic diagram of the operation of the search mirror in the gaze-type focal plane device provided by the invention, wherein the instantaneous field of view of the optical processing component is 4 ° (azimuth) ×5 ° (pitch), and the search mirror completes the circumferential scanning and the circumferential scanning of the pitch angle until the reflection of the parallel rays of the electron beam in the predetermined airspace is completed.
Compared with the prior art, the virus monitoring system based on the Internet of things, provided by the embodiment, completes the panoramic scanning of the azimuth by adopting the 45-degree search scanning mirror to rotate around the azimuth axis for one circle; lifting or lowering 5 degrees in the pitching direction, and rotating around the azimuth axis for one circle to finish Zhou Sao of the next pitching angle; and (5) sequentially and reciprocally cycling until the reflection of the parallel rays of the electron beams in the preset airspace is completed. The virus monitoring system based on the Internet of things, provided by the embodiment, has good adjustability and high automation degree; the scanning speed is high and the image definition is high.
Please refer to fig. 1 to 11, the operation principle of the virus monitoring device based on the internet of things provided in this embodiment is:
the virus monitoring equipment based on the Internet of things adopts a mode of combining a transmission electron microscope and an infrared technology, and utilizes the infrared searcher 100, wherein the infrared searcher 100 comprises an optical processing component, a vacuum device and a signal processing component, and the optical processing component comprises an electron gun, a condenser lens, an objective lens 112, a first intermediate lens 113, a second intermediate lens 114, a projection lens 115 and an infrared detector 116. The signal processing assembly comprises an infrared driving imaging mechanism, a searching and tracking processing mechanism and a servo control mechanism. The incident light beam emitted from the electron gun is condensed by the condenser lens, and converted into an electron beam parallel ray, and the scanning mirror 111 is searched for reflecting the condenser lens-converted electron beam parallel ray. The sample to be measured is placed between the search scanning mirror 111 and the objective lens 112, and the objective lens 112 is used for converting the parallel rays of the electron beam into a diffraction pattern containing structural information of the sample or a microscopic image corresponding to the tissue of the sample. The first intermediate mirror 113, the second intermediate mirror 114 and the projection mirror 115 together perform the further magnifying task of imaging the objective lens. The infrared detector 116 is used for collecting an infrared spectrogram imaged by the projection lens 115. The total magnification of the galvano-mirrors is equal to the sum of the respective magnifications of the objective lens 112, the first intermediate lens 113, the second intermediate lens 114, and the projection lens 115. In this embodiment, when the magnification of the electron microscope needs to be changed in use, the focal length of the electron microscope must be changed accordingly, typically by changing the relative distance and orientation of the first intermediate mirror 113 and the second intermediate mirror 114. The total magnification of the electron microscope can be varied over a considerable range (e.g. 2000-200000 times) during electron microscope operation by varying the relative distance and orientation of the first intermediate mirror 113 and the second intermediate mirror 114.
The electron beam channel in the electron microscope lens barrel has high requirement on vacuum degree, and the electron microscope work must be kept at 10 -3 ～10 -4 Vacuum degree of Pa or above (requirement of high performance electron microscope for vacuum degree is more than 10 -7 Pa or more), since the residual gas molecules in the lens barrel 112 generate ionization discharge and scatter electrons if they collide with high-speed electrons, thereby causing instability of electron beams, increasing aberration, contaminating the sample, and the residual gas accelerates oxidation of the high-heat filament, shortening the filament life. In this embodiment, various vacuum pumps in the vacuum apparatus are used together with pumping to obtain high vacuum.
The infrared driving imaging mechanism 121 is electrically connected to the infrared detector 116, and is configured to output a digital virus image according to an infrared spectrogram acquired by the infrared detector 116 and imaged by the projection lens 115. The search tracking processing mechanism 122 is used to issue start signals, search virus panoramic images, and give virus type, threat level, and liveness information. The servo control mechanism 123 is configured to receive the start signal sent by the search tracking processing mechanism 122, drive and control the optical processing assembly 110, and feed back the lens group position of the optical processing assembly 110 to the search tracking processing mechanism 122 in real time. The upper computer 200 is communicatively connected to the signal processing component 120, and is used for controlling the infrared searcher 100, displaying the virus panoramic image searched by the search tracking processing mechanism 122 and giving information on the virus type, threat level and liveness.
The virus monitoring equipment based on the Internet of things is convenient to test and high in virus identification precision; the degree of automation is high, promotes medical personnel's work efficiency.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The virus monitoring equipment based on the Internet of things is characterized by comprising an infrared searcher (100), an upper computer (200) and a cloud server (300), wherein the infrared searcher (100) comprises an optical processing assembly (110) and a signal processing assembly (120), and the optical processing assembly (110) comprises a search scanning mirror (111), an objective lens (112), a first intermediate mirror (113), a second intermediate mirror (114), a projection mirror (115) and an infrared detector (116) which are sequentially arranged; the signal processing assembly (120) comprises an infrared drive imaging mechanism (121), a search tracking processing mechanism (122) and a servo control mechanism (123), wherein,
the infrared driving imaging mechanism (121) is electrically connected with the infrared detector (116) and is used for outputting a virus digital image;
the searching and tracking processing mechanism (122) is electrically connected with the infrared driving imaging mechanism (121) and is used for sending out a starting signal, searching virus panoramic images and giving out virus types, threat degrees and liveness information; the servo control mechanism (123) is electrically connected with the search tracking processing mechanism (122) and is used for receiving a starting signal sent by the search tracking processing mechanism (122), driving and controlling the optical processing assembly (110) and feeding back the lens group position of the optical processing assembly (110) to the search tracking processing mechanism (122) in real time;
the upper computer (200) is electrically connected with the signal processing component (120) and is used for controlling the infrared searcher (100) to display the virus panoramic image searched by the searching and tracking processing mechanism (122) and give out virus type, threat degree and liveness information;
the upper computer (200) is in communication connection with the cloud server (300) and is used for transmitting the virus panoramic image searched by the searching and tracking processing mechanism (122) and the given virus type, threat degree and activity information to the cloud server (300) for storage;
the incident light beam emitted by the electron gun is collected through the collecting lens and converted into the parallel light rays of the electron beam, and the searching scanning lens (111) is used for reflecting the parallel light rays of the electron beam converted by the collecting lens; the objective lens (112) is used for converting the parallel rays of the electron beam into a diffraction pattern containing structural information of the sample or a microscopic image corresponding to the tissue of the sample; the first intermediate mirror (113), the second intermediate mirror (114) and the projection mirror (115) together complete the further magnification task of imaging the objective; the infrared detector (116) is used for collecting an infrared spectrogram imaged by the projection lens (115); the electron microscope total magnification is equal to the sum of the respective magnifications of the objective lens (112), the first intermediate lens (113), the second intermediate lens (114) and the projection lens (115);
the servo control mechanism (123) comprises a servo controller (1231), a first servo motor (1232), a second servo motor (1233), a first gear reducer (1234), a second gear reducer (1235) and a spectrum sensor (1236), wherein the servo controller (1231) is respectively and electrically connected with the spectrum sensor (1236), the first servo motor (1232) and the second servo motor (1233), the first servo motor (1232) is connected with the first intermediate mirror (113) through the first gear reducer (1234), the second servo motor (1233) is connected with the second intermediate mirror (114) through the second gear reducer (1235), and the servo controller (1231) is used for receiving virus information detected by the spectrum sensor (1236), controlling the first servo motor (1232) and/or the second servo motor (1233), and adjusting the position of the first intermediate mirror (113) and the second intermediate mirror (113) to be at a position of the display of the virus (200).
2. The internet of things-based virus monitoring device of claim 1, wherein the signal processing assembly (120) further comprises a power supply mechanism (124), the power supply mechanism (124) being electrically connected to the infrared drive imaging mechanism (121), the search tracking processing mechanism (122) and the servo control mechanism (123), respectively, for powering the infrared drive imaging mechanism (121), the search tracking processing mechanism (122) and the servo control mechanism (123).
3. The virus monitoring device based on the internet of things according to claim 1, wherein the infrared drive imaging mechanism (121) comprises an FPGA chip, the search tracking processing mechanism (122) comprises a DSP chip, and the model of the FPGA chip is XC7K325T-2FFG900I of Xilinx corporation; the model of the DSP chip is TMS320C6678 of TI company.
4. A virus monitoring method applied to the virus monitoring equipment based on the internet of things as claimed in any one of claims 1 to 3, wherein the virus monitoring method comprises the following steps:
receiving a virus digital image output by an infrared driving imaging mechanism;
the method comprises the steps of obtaining virus morphology in a virus digital image received by an infrared driving imaging mechanism, comparing morphology features of the obtained virus with each virus morphology feature model preset in a virus database, and identifying virus type, threat degree and liveness information;
and sending out corresponding virus alarm information according to the identified virus type, threat level and liveness information.
5. The method of claim 4, wherein the step of receiving the digital image of the virus output by the infrared-driven imaging mechanism further comprises, prior to:
the search scanning mirror is controlled to reciprocate in azimuth and pitching to realize large airspace search.
6. The virus monitoring method of claim 5, wherein the step of controlling the search scanning mirror to reciprocate in azimuth and elevation to perform the large airspace search comprises:
a 45-degree search scanning mirror is adopted to rotate around the azimuth axis for one circle, so that the panoramic scanning of azimuth is completed;
lifting or lowering 5 degrees in the pitching direction, and rotating around the azimuth axis for one circle to finish Zhou Sao of the next pitching angle;
and (3) sequentially and reciprocally cycling until the searching of the sample to be detected between the scanning mirror and the objective lens is completed, and collecting viruses in the sample to be detected.
7. A virus monitoring system for use in the internet of things-based virus monitoring device according to any one of claims 1 to 3, the virus monitoring system comprising:
the receiving module (10) is used for receiving the virus digital image output by the infrared driving imaging mechanism;
the comparison module (20) is used for acquiring virus morphology in the virus digital image received by the infrared drive imaging mechanism, comparing the morphology features of the acquired virus with each virus morphology feature model preset in the virus database, and identifying virus type, threat degree and liveness information;
and the alarm module (30) is used for sending out corresponding virus alarm information according to the identified virus type, threat level and liveness information.
8. The virus monitoring system of claim 7, wherein the virus monitoring system further comprises:
and the searching module (40) is used for controlling the searching scanning mirror to reciprocate in azimuth and pitching so as to realize large airspace searching.
9. The virus monitoring system as claimed in claim 8, wherein the search module (40) comprises:
a first search unit (41) for rotating the 45-degree search scanning mirror around the azimuth axis for one circle to complete the panoramic scanning of the azimuth;
a second search unit (42) for lifting or lowering by 5 ° in the pitch direction and rotating around the azimuth axis by one turn to complete Zhou Sao of the next pitch angle;
and the acquisition unit (43) is used for sequentially and reciprocally cycling until the searching of the sample to be detected between the scanning mirror and the objective lens is completed, and acquiring viruses in the sample to be detected.
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