CN106178888B - Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit - Google Patents

Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit Download PDF

Info

Publication number
CN106178888B
CN106178888B CN201610605690.2A CN201610605690A CN106178888B CN 106178888 B CN106178888 B CN 106178888B CN 201610605690 A CN201610605690 A CN 201610605690A CN 106178888 B CN106178888 B CN 106178888B
Authority
CN
China
Prior art keywords
resistance
capacitor
amplifier
temperature
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610605690.2A
Other languages
Chinese (zh)
Other versions
CN106178888A (en
Inventor
范洪博
王亮
张晶
马晨
容会
崔毅
李润鑫
汤守国
潘晟旻
孙俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming University of Science and Technology
Original Assignee
Kunming University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201610605690.2A priority Critical patent/CN106178888B/en
Publication of CN106178888A publication Critical patent/CN106178888A/en
Application granted granted Critical
Publication of CN106178888B publication Critical patent/CN106178888B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/62Carbon oxides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The present invention relates to one kind to be based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit, belongs to medical environment security technology area.The present invention includes bracket, filtration fraction, gas neutralization pond, air inlet pipe, control module, carbon dioxide sensor and Temperature Humidity Sensor, control module, carbon dioxide sensor and Temperature Humidity Sensor are fixed below air inlet pipe, it is successively arranged gas neutralization pond and filtration fraction above air inlet pipe, air inlet pipe is fixed on bracket.The present invention is low in cost, structure is simple, operation is convenient, ward carbon dioxide and temperature and humidity can be detected automatically using control module realization and exhaust gas filtering emission according to Temperature Humidity Sensor, carbon dioxide sensor etc., manpower and material resources are saved, cost has greatly been saved.

Description

It is comprehensive based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission Device
Technical field
The present invention relates to the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit is based on, belong to Medical environment security technology area.
Background technique
The present invention is by project of national nature science fund project(61562051), Yunnan Province's applied basic research plan key project (2014FA029)Research is subsidized, essentially consists in and explores the real-time embedded control software timing modeling methods such as CPS, is solved discrete The problem for being associated with conversion of logic control and continuous time behavior is calculation procedure logical time and physics process physical time Consistency provides theoretical foundation.On this basis, for medical environment safety problem, since medical room patient is miscellaneous, mobility is big The features such as, room air is easy to pollute.Existing many diseases are propagated by air, many departments of hospital, ICU disease Room is all very strict to the control of air pollution, effectively sterilizing and purifying hospital air, in hospital caused by reducing because of air pollution Infection is one of the emphasis of the anti-infection work of many hospitals.But for the public ward of most of hospitals, it is similar to this The device of kind air cleaning and exhaust gas filtering is relatively fewer, therefore will result in the infection rate of public ward patient and families of patients It greatly increases, so we are from this, design one for the warm and humid in real time based on the medical ward embedded type C PS of public ward Degree detection and exhaust gas filtering emission integration unit, to reduce the infection rate of patient and family members.
Summary of the invention
The present invention is devised based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit, main If carrying out exhaust gas filtering to detect gas concentration lwevel and temperature and humidity in ward, ward inner air has been purified, has reduced disease The problems such as infection rate of room personnel.
The technical scheme is that:It is comprehensive based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission Device includes bracket, filtration fraction, gas neutralization pond 26, air inlet pipe 11, control module 19, carbon dioxide sensor 20 and warm and humid Sensor 21 is spent, the control module 19, carbon dioxide sensor 20 and Temperature Humidity Sensor 21 are fixed on 11 lower section of air inlet pipe, Gas neutralization pond 26 and filtration fraction are successively arranged above air inlet pipe 11, air inlet pipe 11 is fixed on bracket;
11 both ends of air inlet pipe are equipped with air inlet I1, air inlet II2, are respectively equipped on air inlet I1 and air inlet II2 Air inlet filter screen I3 and air inlet filter screen II4, be equipped in air inlet pipe 11 filter screen I5, filter screen II6, filter screen III7, Filter screen IV8, lift pump I9, lift pump II10;
The bottom of pond seat 12 and pool wall 13 of the gas neutralization pond 26 are all made of waterproof and anticorrosion material and are made;
The filtration fraction includes shell 17 and activated carbon adsorption net 16, and activated carbon adsorption net 16 is fixed in shell 17 Portion, 17 bottom of shell are equipped with shaft 14, and shaft 14 is equipped with venthole 15, is equipped with gas outlet 18 at the top of shell 17;
The bracket includes bracket I22, bracket II23, and bracket I22, the bottom end bracket II23 are respectively equipped with runner I24, runner II25。
The carbon dioxide sensor 20 includes pedestal I37, temperature-sensitive element 31, signal collection plate 29, probe I27, probe II28, internal layer protect cylinder 32, outer layer protection cylinder 33, and probe I27, probe II28 are connected with signal collection plate 29, signal collection plate 29 are connected by cable I 30 with temperature-sensitive element 31, and temperature-sensitive element 31 is fixed in internal layer protection cylinder 32, and internal layer is protected outside cylinder 32 also Equipped with outer layer protection cylinder 33, outer layer protection cylinder 33 is fixed on pedestal I37, and battery I38, connection jaws are equipped with inside pedestal I37 I39;Temperature-sensitive element 31 includes element anode 34, cation solid-electrolyte 35, element cathode 36.
The Temperature Humidity Sensor 21 includes 40, transducing part, pedestal II54 of probe, and probe 40 is fixed on transducing part End, transducing part are fixed on pedestal II54;Transducing part includes shell 41, circuit board 52, thermistor 48, humistor 49, circuit board 52 is fixed in shell 41 by button I46 and button II47, and thermistor 48 passes through screw I 42 and screw II44 is fixed on circuit board 52, and humistor 49 is fixed on circuit board 52 by screw I II43 and screw I V45, temperature-sensitive electricity Resistance 48 and humistor 49 are connected by cable II 51;Battery II50 and connection jaws II53 is equipped in pedestal II54.
The control module 19 include one-chip computer module 55, filter circuit 56, gain amplifying circuit 57, exhaust gas filtering 58, Gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60;Wherein one-chip computer module 55 respectively with filter circuit 56, exhaust gas Filtering 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60 are connected, filter circuit 56 and gain amplifying circuit 57 are connected.
The filter circuit 56 includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, capacitor C1, electricity Hold C2, capacitor C3, amplifier OP1;Wherein resistance R1 mono- terminates input signal U1, the one end another terminating resistor R2;Resistance R2 with The anode of resistance R3 series connection amplifier OP1;Between capacitor C1 mono- terminating resistor R1 and resistance R2, another termination capacitor C3;Electricity Hold the one end C2 ground connection, between another terminating resistor R1 and resistance R2;Between resistance R4 mono- termination capacitor C1 and capacitor C3, the other end Connecting resistance R5 is simultaneously grounded by resistance R6;Between amplifier OP1 cathode connecting resistance R6 and resistance R5, amplifier OP1 output stage is defeated Signal U2 out.
The gain amplifying circuit 57 include resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, Resistance R14, resistance R15, capacitor C4, capacitor C5, capacitor C6, capacitor C7, amplifier OP2, amplifier OP2, amplifier OP3;Its Middle input signal meets capacitor C4, resistance R7, and resistance R7 accesses the cathode of amplifier OP2, and amplifier OP2 anode connects power supply;Resistance Mono- termination power of R8, between another terminating resistor R7 and amplifier OP2 cathode;Resistance R9 mono- terminating resistor R7 and amplifier OP2 Between cathode, between another termination capacitor C8 and amplifier OP2 output end;Capacitor C8 mono- terminates amplifier OP2 output end, another Between terminating resistor R13 and resistance R15;Resistance R13 mono- terminating resistor R15, another terminating resistor R12;Capacitor C5, capacitor C6 with Resistance R12 is in parallel;Resistance R10 mono- terminating resistor R14, another terminating resistor R12;Mono- terminating resistor R12 of resistance R11, the other end Connect the cathode of amplifier OP3, capacitor C7 mono- terminating resistor R11 is another to terminate between resistance R14 and resistance R15;Amplifier OP3 anode connects power supply, output stage output signal.
The gas concentration lwevel detection circuit 59 includes carbon dioxide sensor chip, resistance R16, resistance R17, resistance R18, resistance R19, capacitor C9, amplifier OP4;Wherein carbon dioxide sensor chip pin 1 is grounded, the termination of resistance R17 mono- two Carbonoxide sensor chip pin 1, the anode of another termination amplifier OP4;Resistance R18 mono- terminating resistor R17 and amplifier OP4 Anode between, between another termination amplifier OP4 output stage and resistance R19;Resistance R16 mono- terminates carbon dioxide sensor core Piece pin 2, the cathode of another termination amplifier OP4;Amplifier OP4 output stage connecting resistance R19;The one end capacitor C9 ground connection is another Between terminating resistor R19 and power supply.
The Temperature and Humidity circuit 60 includes Temperature Humidity Sensor chip, resistance R20, capacitor C10;Wherein temperature and humidity passes The pin 3 of sensor chip is grounded, and resistance R20 mono- terminates the pin 2 of Temperature Humidity Sensor chip, and the other end connects temperature and humidity sensing The pin 1 and power supply of device chip;The one end capacitor C10 ground connection, between another terminating resistor R20 and power supply.
Working principle of the present invention:The present apparatus mainly applies hospital to nurse ward, when the present apparatus is placed in ward, two It aoxidizes carbon sensor and Temperature Humidity Sensor is started to work, when carbon dioxide sensor detects that gas concentration lwevel is super in ward After mark, carbon dioxide sensor by filter circuit and gain amplifying circuit and sends control module for signal, control module Pass through one-chip computer module starter after receiving signal, then the present apparatus starts to carry out indoor exhaust air filtering.Equally when warm and humid When degree sensor detection indoor temperature and humidity is too high or too low, Temperature Humidity Sensor equally also can pass through filter circuit and gain is amplified Circuit sends signal to control module, and control module passes through one-chip computer module starter after receiving signal, then this dress It sets and starts to carry out indoor exhaust air filtering.
Beneficial effects of the present invention:It is the configuration of the present invention is simple, low in cost, it is dense can accurately to measure carbon dioxide in ward Degree and temperature and humidity carry out exhaust gas filtering, have purified ward inner air, reduce the infection rate of ward personnel.
Detailed description of the invention
Fig. 1 is overall construction drawing of the invention;
Fig. 2 is carbon dioxide sensor structure chart of the invention;
Fig. 3 is Temperature Humidity Sensor structure chart of the invention;
Fig. 4 is control module structure chart of the invention;
Fig. 5 is filter circuit figure of the invention;
Fig. 6 is gain amplifying circuit figure of the invention;
Fig. 7 is gas concentration lwevel detection circuit figure of the invention;
Fig. 8 is Temperature and Humidity circuit diagram of the invention;
Each label in figure:1- air inlet I, 2- air inlet II, 3- air inlet filter screen I, 4- air inlet filter screen II, 5- mistake Strainer I, 6- filter screen II, 7- filter screen III, 8- filter screen IV, 9- lift pump I, 10- lift pump II, 11- air inlet pipe, the pond 12- Pedestal, 13- pool wall, 14- shaft, 15- venthole, 16- activated carbon adsorption net, 17- shell, the gas outlet 18-, 19- control module, 20- carbon dioxide sensor, 21- Temperature Humidity Sensor, 22- bracket I, 23- bracket II, 24- runner I, 25- runner II, 26- gas Body neutralization pond, 27- probe I, 28- probe II, 29- signal collection plate, 30- cable I, 31- temperature-sensitive element, 32- internal layer protect cylinder, 33- outer layer protection cylinder, 34- element anode, 35- cation solid-electrolyte, 36- element cathode, 37- pedestal I, 38- battery I, 39- connection jaws I, 40- probe, 41- shell, 42- screw I, 43- screw I II, 44- screw I I, 45- screw I V, 46- button I, 47- button II, 48- thermistor, 49- humistor, 50- battery II, 51- cable II, 52- circuit board, 53- connection jaws II, 54- pedestal II, 55- one-chip computer module, 56- filter circuit, 57- gain amplifying circuit, the filtering of 58- exhaust gas, 59- carbon dioxide are dense Spend detection circuit, 60- Temperature and Humidity circuit.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but the content of present invention is not limited to the model It encloses.
Embodiment 1:When the present apparatus is placed in ward, carbon dioxide sensor 20 and Temperature Humidity Sensor 21 start Work, after carbon dioxide sensor 20 detects that gas concentration lwevel is exceeded in ward, carbon dioxide sensor 20 is by signal It is sent to control module 19 by filter circuit 56 and gain amplifying circuit 57, control module 19 passes through monolithic after receiving signal 55 starter of machine module, then the present apparatus starts to carry out indoor exhaust air filtering.
Present apparatus structure is as shown in Figure 1, include bracket, filtration fraction, gas neutralization pond 26, air inlet pipe 11, control module 19, carbon dioxide sensor 20 and Temperature Humidity Sensor 21, the control module 19, carbon dioxide sensor 20 and temperature and humidity pass Sensor 21 is fixed on 11 lower section of air inlet pipe, is successively arranged gas neutralization pond 26 and filtration fraction, air inlet pipe 11 above air inlet pipe 11 It is fixed on bracket;
11 both ends of air inlet pipe are equipped with air inlet I1, air inlet II2, are respectively equipped on air inlet I1 and air inlet II2 Air inlet filter screen I3 and air inlet filter screen II4, be equipped in air inlet pipe 11 filter screen I5, filter screen II6, filter screen III7, Filter screen IV8, lift pump I9, lift pump II10;
The bottom of pond seat 12 and pool wall 13 of the gas neutralization pond 26 are all made of waterproof and anticorrosion material and are made;
The filtration fraction includes shell 17 and activated carbon adsorption net 16, and activated carbon adsorption net 16 is fixed in shell 17 Portion, 17 bottom of shell are equipped with shaft 14, and shaft 14 is equipped with venthole 15, is equipped with gas outlet 18 at the top of shell 17;
The bracket includes bracket I22, bracket II23, and bracket I22, the bottom end bracket II23 are respectively equipped with runner I24, runner II25。
As shown in Figure 2:Carbon dioxide sensor 20 includes pedestal I37, temperature-sensitive element 31, signal collection plate 29, probe I27, probe II28, internal layer protect cylinder 32, outer layer protection cylinder 33, and probe I27, probe II28 are connected with signal collection plate 29, believe Number collecting board 29 is connected by cable I 30 with temperature-sensitive element 31, and temperature-sensitive element 31 is fixed on internal layer and protects in cylinder 32, and internal layer is protected Be additionally provided with outer layer protection cylinder 33 outside cylinder 32, outer layer protection cylinder 33 is fixed on pedestal I37, be equipped with inside pedestal I37 battery I38, Connection jaws I39;Temperature-sensitive element 31 includes element anode 34, cation solid-electrolyte 35, element cathode 36.
As shown in Figure 4:Control module 19 includes one-chip computer module 55, filter circuit 56, gain amplifying circuit 57, exhaust gas mistake Filter 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60;Wherein one-chip computer module 55 respectively with filter circuit 56, exhaust gas filtering 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60 are connected, filter circuit 56 and gain Amplifying circuit 57 is connected.
As shown in Figure 5:Filter circuit 56 includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity Hold C1, capacitor C2, capacitor C3, amplifier OP1;Wherein resistance R1 mono- terminates input signal U1, the one end another terminating resistor R2;Electricity Hinder the anode of R2 and resistance R3 series connection amplifier OP1;Between capacitor C1 mono- terminating resistor R1 and resistance R2, another termination capacitor C3;The one end capacitor C2 ground connection, between another terminating resistor R1 and resistance R2;Between resistance R4 mono- termination capacitor C1 and capacitor C3, Another terminating resistor R5 is simultaneously grounded by resistance R6;Between amplifier OP1 cathode connecting resistance R6 and resistance R5, amplifier OP1 is defeated Pole output signal U 2 out.
As shown in Figure 6:The gain amplifying circuit 57 includes resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, capacitor C4, capacitor C5, capacitor C6, capacitor C7, amplifier OP2, amplifier OP2, Amplifier OP3;Wherein input signal meets capacitor C4, resistance R7, and resistance R7 accesses the cathode of amplifier OP2, amplifier OP2 anode Connect power supply;Mono- termination power of resistance R8, between another terminating resistor R7 and amplifier OP2 cathode;Mono- terminating resistor R7 of resistance R9 Between amplifier OP2 cathode, between another termination capacitor C8 and amplifier OP2 output end;Capacitor C8 mono- terminates amplifier OP2 Output end, between another terminating resistor R13 and resistance R15;Resistance R13 mono- terminating resistor R15, another terminating resistor R12;Capacitor C5, capacitor C6 are in parallel with resistance R12;Resistance R10 mono- terminating resistor R14, another terminating resistor R12;Mono- terminating resistor of resistance R11 R12, the cathode of another termination amplifier OP3, capacitor C7 mono- terminating resistor R11, it is another terminate at resistance R14 and resistance R15 it Between;Amplifier OP3 anode connects power supply, output stage output signal.
As shown in Figure 7:Carbonoxide Concentration Testing circuit 59 include carbon dioxide sensor chip, resistance R16, resistance R17, Resistance R18, resistance R19, capacitor C9, amplifier OP4;Wherein carbon dioxide sensor chip pin 1 is grounded, the one end resistance R17 Connect carbon dioxide sensor chip pin 1, the anode of another termination amplifier OP4;Mono- terminating resistor R17 of resistance R18 and amplification Between the anode of device OP4, between another termination amplifier OP4 output stage and resistance R19;Resistance R16 mono- terminates carbon dioxide and passes Sensor chip pin 2, the cathode of another termination amplifier OP4;Amplifier OP4 output stage connecting resistance R19;Capacitor C9 mono- is terminated Ground, between another terminating resistor R19 and power supply.
Embodiment 2:When the detection indoor temperature and humidity of Temperature Humidity Sensor 21 is too high or too low, Temperature Humidity Sensor 21 can lead to It crosses filter circuit 56 and gain amplifying circuit 57 sends signal to control module 19, control module 19 passes through after receiving signal 55 starter of one-chip computer module, then the present apparatus starts to carry out indoor exhaust air filtering.
As shown in Figure 1:In the medical ward real time humiture detection of embedded type C PS and exhaust gas filtering emission integration unit, packet Include bracket, filtration fraction, gas neutralization pond 26, air inlet pipe 11, control module 19, carbon dioxide sensor 20 and temperature and humidity sensing Device 21, the control module 19, carbon dioxide sensor 20 and Temperature Humidity Sensor 21 are fixed on 11 lower section of air inlet pipe, air inlet pipe 11 tops are successively arranged gas neutralization pond 26 and filtration fraction, and air inlet pipe 11 is fixed on bracket;
11 both ends of air inlet pipe are equipped with air inlet I1, air inlet II2, are respectively equipped on air inlet I1 and air inlet II2 Air inlet filter screen I3 and air inlet filter screen II4, be equipped in air inlet pipe 11 filter screen I5, filter screen II6, filter screen III7, Filter screen IV8, lift pump I9, lift pump II10;
The bottom of pond seat 12 and pool wall 13 of the gas neutralization pond 26 are all made of waterproof and anticorrosion material and are made;
The filtration fraction includes shell 17 and activated carbon adsorption net 16, and activated carbon adsorption net 16 is fixed in shell 17 Portion, 17 bottom of shell are equipped with shaft 14, and shaft 14 is equipped with venthole 15, is equipped with gas outlet 18 at the top of shell 17;
The bracket includes bracket I22, bracket II23, and bracket I22, the bottom end bracket II23 are respectively equipped with runner I24, runner II25。
As shown in Figure 3:Temperature Humidity Sensor 21 includes 40, transducing part, pedestal II54 of probe, and probe 40 is fixed on sensing Part upper end, transducing part are fixed on pedestal II54;Transducing part includes shell 41, circuit board 52, thermistor 48, wet sensitive Resistance 49, circuit board 52 are fixed in shell 41 by button I46 and button II47, and thermistor 48 passes through screw I 42 and spiral shell Silk II44 is fixed on circuit board 52, and humistor 49 is fixed on circuit board 52 by screw I II43 and screw I V45, temperature-sensitive Resistance 48 and humistor 49 are connected by cable II 51;Battery II50 and connection jaws II53 is equipped in pedestal II54.
As shown in Figure 4:Control module 19 includes one-chip computer module 55, filter circuit 56, gain amplifying circuit 57, exhaust gas mistake Filter 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60;Wherein one-chip computer module 55 respectively with filter circuit 56, exhaust gas filtering 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60 are connected, filter circuit 56 and gain Amplifying circuit 57 is connected.
As shown in Figure 5:Filter circuit 56 includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity Hold C1, capacitor C2, capacitor C3, amplifier OP1;Wherein resistance R1 mono- terminates input signal U1, the one end another terminating resistor R2;Electricity Hinder the anode of R2 and resistance R3 series connection amplifier OP1;Between capacitor C1 mono- terminating resistor R1 and resistance R2, another termination capacitor C3;The one end capacitor C2 ground connection, between another terminating resistor R1 and resistance R2;Between resistance R4 mono- termination capacitor C1 and capacitor C3, Another terminating resistor R5 is simultaneously grounded by resistance R6;Between amplifier OP1 cathode connecting resistance R6 and resistance R5, amplifier OP1 is defeated Pole output signal U 2 out.
As shown in Figure 6:Gain amplifying circuit 57 includes resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, electricity Hinder R13, resistance R14, resistance R15, capacitor C4, capacitor C5, capacitor C6, capacitor C7, amplifier OP2, amplifier OP2, amplifier OP3;Wherein input signal meets capacitor C4, resistance R7, and resistance R7 accesses the cathode of amplifier OP2, and amplifier OP2 anode connects electricity Source;Mono- termination power of resistance R8, between another terminating resistor R7 and amplifier OP2 cathode;It mono- terminating resistor R7 of resistance R9 and puts Between big device OP2 cathode, between another termination capacitor C8 and amplifier OP2 output end;Capacitor C8 mono- terminates amplifier OP2 output End, between another terminating resistor R13 and resistance R15;Resistance R13 mono- terminating resistor R15, another terminating resistor R12;Capacitor C5, Capacitor C6 is in parallel with resistance R12;Resistance R10 mono- terminating resistor R14, another terminating resistor R12;Mono- terminating resistor of resistance R11 R12, the cathode of another termination amplifier OP3, capacitor C7 mono- terminating resistor R11, it is another terminate at resistance R14 and resistance R15 it Between;Amplifier OP3 anode connects power supply, output stage output signal.
As shown in Figure 8:Temperature and Humidity circuit 60 includes Temperature Humidity Sensor chip, resistance R20, capacitor C10;Its medium temperature The pin 3 of humidity sensor chip is grounded, and resistance R20 mono- terminates the pin 2 of Temperature Humidity Sensor chip, and other end connection is warm and humid Spend the pin 1 and power supply of sensor chip;The one end capacitor C10 ground connection, between another terminating resistor R20 and power supply.
Example 3:When carbon dioxide sensor 20 and Temperature Humidity Sensor 21 are detected simultaneously by gas concentration lwevel in ward When excessively high and temperature and humidity is high or low, carbon dioxide sensor 20 and Temperature Humidity Sensor 21 can pass through 56 He of filter circuit simultaneously Gain amplifying circuit 57 sends signal to control module 19, and control module 19 is opened after receiving signal by one-chip computer module 55 Dynamic device, then the present apparatus starts to carry out indoor exhaust air filtering.
As shown in Figure 1:One kind is based on the medical ward real time humiture detection of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, including bracket, filtration fraction, gas neutralization pond 26, air inlet pipe 11, control module 19, carbon dioxide sensor 20 and warm and humid Sensor 21 is spent, the control module 19, carbon dioxide sensor 20 and Temperature Humidity Sensor 21 are fixed on 11 lower section of air inlet pipe, Gas neutralization pond 26 and filtration fraction are successively arranged above air inlet pipe 11, air inlet pipe 11 is fixed on bracket;
11 both ends of air inlet pipe are equipped with air inlet I1, air inlet II2, are respectively equipped on air inlet I1 and air inlet II2 Air inlet filter screen I3 and air inlet filter screen II4, be equipped in air inlet pipe 11 filter screen I5, filter screen II6, filter screen III7, Filter screen IV8, lift pump I9, lift pump II10;
The bottom of pond seat 12 and pool wall 13 of the gas neutralization pond 26 are all made of waterproof and anticorrosion material and are made;
The filtration fraction includes shell 17 and activated carbon adsorption net 16, and activated carbon adsorption net 16 is fixed in shell 17 Portion, 17 bottom of shell are equipped with shaft 14, and shaft 14 is equipped with venthole 15, is equipped with gas outlet 18 at the top of shell 17;
The bracket includes bracket I22, bracket II23, and bracket I22, the bottom end bracket II23 are respectively equipped with runner I24, runner II25。
As shown in Figure 2:Carbon dioxide sensor 20 includes pedestal I37, temperature-sensitive element 31, signal collection plate 29, probe I27, probe II28, internal layer protect cylinder 32, outer layer protection cylinder 33, and probe I27, probe II28 are connected with signal collection plate 29, believe Number collecting board 29 is connected by cable I 30 with temperature-sensitive element 31, and temperature-sensitive element 31 is fixed on internal layer and protects in cylinder 32, and internal layer is protected Be additionally provided with outer layer protection cylinder 33 outside cylinder 32, outer layer protection cylinder 33 is fixed on pedestal I37, be equipped with inside pedestal I37 battery I38, Connection jaws I39;Temperature-sensitive element 31 includes element anode 34, cation solid-electrolyte 35, element cathode 36.
As shown in Figure 3:Temperature Humidity Sensor 21 includes 40, transducing part, pedestal II54 of probe, and probe 40 is fixed on sensing Part upper end, transducing part are fixed on pedestal II54;Transducing part includes shell 41, circuit board 52, thermistor 48, wet sensitive Resistance 49, circuit board 52 are fixed in shell 41 by button I46 and button II47, and thermistor 48 passes through screw I 42 and spiral shell Silk II44 is fixed on circuit board 52, and humistor 49 is fixed on circuit board 52 by screw I II43 and screw I V45, temperature-sensitive Resistance 48 and humistor 49 are connected by cable II 51;Battery II50 and connection jaws II53 is equipped in pedestal II54.
As shown in Figure 4:Control module 19 includes one-chip computer module 55, filter circuit 56, gain amplifying circuit 57, exhaust gas mistake Filter 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60;Wherein one-chip computer module 55 respectively with filter circuit 56, exhaust gas filtering 58, gas concentration lwevel detection circuit 59, Temperature and Humidity circuit 60 are connected, filter circuit 56 and gain Amplifying circuit 57 is connected.
As shown in Figure 5:Filter circuit 56 includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity Hold C1, capacitor C2, capacitor C3, amplifier OP1;Wherein resistance R1 mono- terminates input signal U1, the one end another terminating resistor R2;Electricity Hinder the anode of R2 and resistance R3 series connection amplifier OP1;Between capacitor C1 mono- terminating resistor R1 and resistance R2, another termination capacitor C3;The one end capacitor C2 ground connection, between another terminating resistor R1 and resistance R2;Between resistance R4 mono- termination capacitor C1 and capacitor C3, Another terminating resistor R5 is simultaneously grounded by resistance R6;Between amplifier OP1 cathode connecting resistance R6 and resistance R5, amplifier OP1 is defeated Pole output signal U 2 out.
As shown in Figure 6:Gain amplifying circuit 57 includes resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, electricity Hinder R13, resistance R14, resistance R15, capacitor C4, capacitor C5, capacitor C6, capacitor C7, amplifier OP2, amplifier OP2, amplifier OP3;Wherein input signal meets capacitor C4, resistance R7, and resistance R7 accesses the cathode of amplifier OP2, and amplifier OP2 anode connects electricity Source;Mono- termination power of resistance R8, between another terminating resistor R7 and amplifier OP2 cathode;It mono- terminating resistor R7 of resistance R9 and puts Between big device OP2 cathode, between another termination capacitor C8 and amplifier OP2 output end;Capacitor C8 mono- terminates amplifier OP2 output End, between another terminating resistor R13 and resistance R15;Resistance R13 mono- terminating resistor R15, another terminating resistor R12;Capacitor C5, Capacitor C6 is in parallel with resistance R12;Resistance R10 mono- terminating resistor R14, another terminating resistor R12;Mono- terminating resistor of resistance R11 R12, the cathode of another termination amplifier OP3, capacitor C7 mono- terminating resistor R11, it is another terminate at resistance R14 and resistance R15 it Between;Amplifier OP3 anode connects power supply, output stage output signal.
As shown in Figure 7:Gas concentration lwevel detection circuit 59 includes carbon dioxide sensor chip, resistance R16, resistance R17, resistance R18, resistance R19, capacitor C9, amplifier OP4;Wherein carbon dioxide sensor chip pin 1 is grounded, resistance R17 One termination carbon dioxide sensor chip pin 1, the anode of another termination amplifier OP4;Mono- terminating resistor R17 of resistance R18 and Between the anode of amplifier OP4, between another termination amplifier OP4 output stage and resistance R19;Resistance R16 mono- terminates titanium dioxide Carbon sensor chip pin 2, the cathode of another termination amplifier OP4;Amplifier OP4 output stage connecting resistance R19;The one end capacitor C9 Ground connection, between another terminating resistor R19 and power supply.
As shown in Figure 8:Temperature and Humidity circuit 60 includes Temperature Humidity Sensor chip, resistance R20, capacitor C10;Its medium temperature The pin 3 of humidity sensor chip is grounded, and resistance R20 mono- terminates the pin 2 of Temperature Humidity Sensor chip, and other end connection is warm and humid Spend the pin 1 and power supply of sensor chip;The one end capacitor C10 ground connection, between another terminating resistor R20 and power supply.
Above in conjunction with attached drawing, the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept Put that various changes can be made.

Claims (7)

1. being based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit, it is characterised in that:Including branch Frame, filtration fraction, gas neutralization pond(26), air inlet pipe(11), control module(19), carbon dioxide sensor(20)And temperature and humidity Sensor(21), the control module(19), carbon dioxide sensor(20)And Temperature Humidity Sensor(21)It is fixed on air inlet pipe (11)Lower section, air inlet pipe(11)Top is successively arranged gas neutralization pond(26)And filtration fraction, air inlet pipe(11)It is fixed on bracket On;
The air inlet pipe(11)Both ends are equipped with air inlet I(1), air inlet II(2), air inlet I(1)With air inlet II(2)Upper point It She You not air inlet filter screen I(3)With air inlet filter screen II(4), air inlet pipe(11)It is interior to be equipped with filter screen I(5), filter screen II (6), filter screen III(7), filter screen IV(8), lift pump I(9), lift pump II(10);
The gas neutralization pond(26)Bottom of pond seat(12)And pool wall(13)Waterproof and anticorrosion material is all made of to be made;
The filtration fraction includes shell(17)With activated carbon adsorption net(16), activated carbon adsorption net(16)It is fixed on shell(17) Inside, shell(17)Bottom is equipped with shaft(14), shaft(14)It is equipped with venthole(15), shell(17)Top is equipped with gas outlet (18);
The bracket includes bracket I(22), bracket II(23), bracket I(22), bracket II(23)Bottom end is respectively equipped with runner I (24), runner II(25);
The control module(19)Including one-chip computer module(55), filter circuit(56), gain amplifying circuit(57), exhaust gas filtering (58), gas concentration lwevel detection circuit(59), Temperature and Humidity circuit(60);Wherein one-chip computer module(55)Respectively with filtering Circuit(56), exhaust gas filtering(58), gas concentration lwevel detection circuit(59), Temperature and Humidity circuit(60)It is connected, filters Circuit(56)With gain amplifying circuit(57)It is connected.
2. according to claim 1 based on the medical ward Temperature and Humidity of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, it is characterised in that:The carbon dioxide sensor(20)Including pedestal I(37), temperature-sensitive element(31), signal collection plate (29), probe I(27), probe II(28), internal layer protect cylinder(32), outer layer protection cylinder(33), pop one's head in I(27), probe II(28) With signal collection plate(29)It is connected, signal collection plate(29)Pass through cable I(30)With temperature-sensitive element(31)It is connected, temperature-sensitive element (31)It is fixed on internal layer protection cylinder(32)In, internal layer protects cylinder(32)It is additionally provided with outer layer protection cylinder outside(33), outer layer protection cylinder (33)It is fixed on pedestal I(37)On, pedestal I(37)Inside is equipped with battery I(38), connection jaws I(39);Temperature-sensitive element(31)Including Element anode(34), cation solid-electrolyte(35), element cathode(36).
3. according to claim 1 based on the medical ward Temperature and Humidity of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, it is characterised in that:The Temperature Humidity Sensor(21)Including probe(40), transducing part, pedestal II(54), probe(40)Gu It is scheduled on transducing part upper end, transducing part is fixed on pedestal II(54)On;Transducing part includes shell(41), circuit board(52), Thermistor(48), humistor(49), circuit board(52)Pass through button I(46)With button II(47)It is fixed on shell(41) It is interior, thermistor(48)Pass through screw I(42)With screw I I(44)It is fixed on circuit board(52)On, humistor(49)Pass through spiral shell Silk III(43)With screw I V(45)It is fixed on circuit board(52)On, thermistor(48)And humistor(49)Pass through cable II (51)Connection;Pedestal II(54)Inside it is equipped with
Battery II(50)With connection jaws II(53).
4. according to claim 1 based on the medical ward Temperature and Humidity of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, it is characterised in that:The filter circuit(56)Including resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, Capacitor C1, capacitor C2, capacitor C3, amplifier OP1;Wherein resistance R1 mono- terminates input signal U1, the one end another terminating resistor R2; The anode of resistance R2 and resistance R3 series connection amplifier OP1;Between capacitor C1 mono- terminating resistor R1 and resistance R2, another termination electricity Hold C3;The one end capacitor C2 ground connection, between another terminating resistor R1 and resistance R2;Resistance R4 mono- termination capacitor C1 and capacitor C3 it Between, another terminating resistor R5 is simultaneously grounded by resistance R6;Between amplifier OP1 cathode connecting resistance R6 and resistance R5, amplifier OP1 Output stage output signal U 2.
5. according to claim 1 based on the medical ward Temperature and Humidity of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, it is characterised in that:The gain amplifying circuit(57)Including resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, Resistance R13, resistance R14, resistance R15, capacitor C4, capacitor C5, capacitor C6, capacitor C7, amplifier OP2, amplifier OP3;Wherein Input signal meets capacitor C4, resistance R7, and resistance R7 accesses the cathode of amplifier OP2, and amplifier OP2 anode connects power supply;Resistance R8 One termination power, between another terminating resistor R7 and amplifier OP2 cathode;Resistance R9 mono- terminating resistor R7 and amplifier OP2 is negative Between pole, between another termination capacitor C8 and amplifier OP2 output end;Capacitor C8 mono- terminates amplifier OP2 output end, the other end Between connecting resistance R13 and resistance R15;Resistance R13 mono- terminating resistor R15, another terminating resistor R12;Capacitor C5, capacitor C6 and electricity It is in parallel to hinder R12;Resistance R10 mono- terminating resistor R14, another terminating resistor R12;Mono- terminating resistor R12 of resistance R11, another termination The cathode of amplifier OP3, capacitor C7 mono- terminating resistor R11 are another to terminate between resistance R14 and resistance R15;Amplifier OP3 Anode connects power supply, output stage output signal.
6. according to claim 1 based on the medical ward Temperature and Humidity of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, it is characterised in that:The gas concentration lwevel detection circuit(59)Including carbon dioxide sensor chip, resistance R16, resistance R17, resistance R18, resistance R19, capacitor C9, amplifier OP4;Wherein carbon dioxide sensor chip pin 1 is grounded, resistance R17 One termination carbon dioxide sensor chip pin 1, the anode of another termination amplifier OP4;Mono- terminating resistor R17 of resistance R18 and Between the anode of amplifier OP4, between another termination amplifier OP4 output stage and resistance R19;Resistance R16 mono- terminates titanium dioxide Carbon sensor chip pin 2, the cathode of another termination amplifier OP4;Amplifier OP4 output stage connecting resistance R19;The one end capacitor C9 Ground connection, between another terminating resistor R19 and power supply.
7. according to claim 1 based on the medical ward Temperature and Humidity of embedded type C PS and the comprehensive dress of exhaust gas filtering emission It sets, it is characterised in that:The Temperature and Humidity circuit(60)Including Temperature Humidity Sensor chip, resistance R20, capacitor C10;Wherein The pin 3 of Temperature Humidity Sensor chip is grounded, and resistance R20 mono- terminates the pin 2 of Temperature Humidity Sensor chip, other end connection temperature The pin 1 and power supply of humidity sensor chip;The one end capacitor C10 ground connection, between another terminating resistor R20 and power supply.
CN201610605690.2A 2016-07-29 2016-07-29 Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit Active CN106178888B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610605690.2A CN106178888B (en) 2016-07-29 2016-07-29 Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610605690.2A CN106178888B (en) 2016-07-29 2016-07-29 Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit

Publications (2)

Publication Number Publication Date
CN106178888A CN106178888A (en) 2016-12-07
CN106178888B true CN106178888B (en) 2018-11-27

Family

ID=57496639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610605690.2A Active CN106178888B (en) 2016-07-29 2016-07-29 Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit

Country Status (1)

Country Link
CN (1) CN106178888B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106918679A (en) * 2017-03-08 2017-07-04 昆明理工大学 A kind of sulfur chemistry product warehouse gas real-time detection based on embedded type C PS and deodorant filtering emission device
CN107064421A (en) * 2017-03-08 2017-08-18 昆明理工大学 A kind of adhesive warehouse is handled and room temperature real time monitoring apparatus with real-time embedded Formaldehyde
CN109263646A (en) * 2018-08-03 2019-01-25 昆明理工大学 A kind of safety driving system based on artificial intelligence

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627263B1 (en) * 1993-06-02 1998-10-07 YOSHIKAWA, Hideo Contaminated air purifying apparatus
CN201192619Y (en) * 2008-04-16 2009-02-11 浙江大学 Automatic air refreshing system
CN103170240A (en) * 2013-02-27 2013-06-26 西安交通大学 Air quality monitoring and purifying device in closed space
CN104275054A (en) * 2014-09-24 2015-01-14 太仓市大友空调设备有限公司 Indoor air purifier
CN205208768U (en) * 2015-12-21 2016-05-04 河南三水环保科技有限公司 A air purification equipment for hospital ward

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627263B1 (en) * 1993-06-02 1998-10-07 YOSHIKAWA, Hideo Contaminated air purifying apparatus
CN201192619Y (en) * 2008-04-16 2009-02-11 浙江大学 Automatic air refreshing system
CN103170240A (en) * 2013-02-27 2013-06-26 西安交通大学 Air quality monitoring and purifying device in closed space
CN104275054A (en) * 2014-09-24 2015-01-14 太仓市大友空调设备有限公司 Indoor air purifier
CN205208768U (en) * 2015-12-21 2016-05-04 河南三水环保科技有限公司 A air purification equipment for hospital ward

Also Published As

Publication number Publication date
CN106178888A (en) 2016-12-07

Similar Documents

Publication Publication Date Title
CN106178888B (en) Based on the medical ward Temperature and Humidity of embedded type C PS and exhaust gas filtering emission integration unit
CN204446429U (en) A kind of TPU Medical negative pressure cofferdam
CN107259672A (en) A kind of health care elbow support device
CN104056292B (en) Detection system for sterilizing effect of sterilizer
CN206044806U (en) Device for preventing snoring based on piezoelectric transducer
CN205286367U (en) Medical treatment oxyhemoglobin saturation measurement system
CN204106676U (en) A kind of hemo system with automatic Measure blood pressure function
CN206923727U (en) Clinical laboratory's sweat collection gloves
CN106726280A (en) Intelligent miniature hyperbaric oxygen health care system
CN206372289U (en) Dispensation apparatus and with the dispensation apparatus match somebody with somebody coyote hole
CN206372036U (en) Bruxism detection means and system
CN206060824U (en) A kind of house wisdom endowment service system
CN107095536A (en) A kind of multifunctional pillow based on health care
CN104814846A (en) Intelligent dedsore-proof early warning device
CN208659778U (en) A kind of auto-flushing applied to paralytic inhales the just circulatory system
CN204636681U (en) Gastrointestinal surgery postoperative care band
CN106419548A (en) Tea bar machine with online water-preparing function
CN208860830U (en) A kind of determining instrument of indoor air quality
CN203123325U (en) Recovery band for cardiology
CN107064421A (en) A kind of adhesive warehouse is handled and room temperature real time monitoring apparatus with real-time embedded Formaldehyde
CN206576848U (en) A kind of system for monitoring sleep apnea
CN206933397U (en) A kind of electric heating pad with haze
CN205939953U (en) High accuracy economizer system of drying for ophiopogon japonicus radix
CN208435639U (en) Portable heart rate meter with digital display
CN207384417U (en) Intelligent miniature hyperbaric oxygen health care system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant