CN107822603A - Temperature contact measurement method in air flue intelligent temperature tester and air flue - Google Patents
Temperature contact measurement method in air flue intelligent temperature tester and air flue Download PDFInfo
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- CN107822603A CN107822603A CN201711203708.7A CN201711203708A CN107822603A CN 107822603 A CN107822603 A CN 107822603A CN 201711203708 A CN201711203708 A CN 201711203708A CN 107822603 A CN107822603 A CN 107822603A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
- A61B5/015—By temperature mapping of body part
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
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Abstract
The present invention relates to temperature contact measurement method in air flue intelligent temperature tester and air flue, it includes measuring system；Measuring system includes being used for temperature-sensitive module, the A/D chips electrically connected with temperature-sensitive module, the cpu electrically connected with A/D chips and the display electrically connected with cpu for sensing airway temperature.Measuring system also includes being used for the isolation low-tension supply to cpu and A/D chip power supplies, isolation low-tension supply and city's power electric connection；Cpu is electrically connected with alarm module.Temperature-sensitive module includes being used for the resistance temperature detector, the Wheatstone bridge electrically connected with resistance temperature detector and the A/D chips electrically connected with Wheatstone bridge for gathering airway temperature；The output end of A/D chips electrically connects with A/D chip inputs.The present invention is reasonable in design, compact-sized and easy to use.
Description
Technical field
The present invention relates to temperature contact measurement method in air flue intelligent temperature tester and air flue.
Background technology
Most of lung cancer has been late period when finding, is only capable of carrying out palliative treatment, causes life span very short.If clinically
Lung cancer can be early diagnosed.The life cycle of patient will be obviously improved.Lung cancer finds that the reason for later is a lot, but main is a lack of pair
In the effective method of early diagnosis of people at highest risk.
How to turn into for the new method that early stage of lung cancer diagnosis provides the examination of novelty and detects tumour with device and be badly in need of
The technical problem of solution.
The content of the invention
The technical problems to be solved by the invention are generally speaking to provide in a kind of air flue intelligent temperature tester and air flue
Temperature contact measurement method,；The technical problem and acquirement beneficial effect solved in detail is in aftermentioned content and combines specific
Content specifically describes in embodiment.
To solve the above problems, the technical solution used in the present invention is：
A kind of air flue intelligent temperature tester, including measuring system；
Measuring system is including being used to sense the temperature-sensitive module of airway temperature, being electrically connected with temperature-sensitive module and be integrated with A/D chips
Cpu that integrated circuit, input electrically connect with ic output and the display electrically connected with cpu.
Further improvement as above-mentioned technical proposal：
Measuring system also includes being used for the isolation low-tension supply to cpu and integrated circuit, isolates low-tension supply and civil power
Source electrically connects；Cpu is electrically connected with alarm module.
Temperature-sensitive module includes being used for the resistance temperature detector and and resistance temperature detector for gathering airway temperature
The Wheatstone bridge of electrical connection；Wheatstone bridge analog output electrically connects with simulation of integrated circuit interface.
Wheatstone bridge includes resistance R1, R2, R3 and resistance temperature detector；
Wheatstone bridge is electrically connected with impedance matching resistor R4, R5；
Wherein resistance temperature detector connects to form tie point ACB with resistance R1, and resistance R2 connects to form with resistance R3
Two branch road ADB, tie point ACD are in parallel with the second branch road ADB；
Wherein tie point ACB and the second branch road ADB node A are grounded, and tie point ACB and the second branch road ADB node B connect
The reference voltage input positive terminal VREF of integrated circuit, in the node C between resistance temperature detector and resistance R1 and collection
Into series resistance R5 between the input AIN+ of circuit, the input of node D and integrated circuit between resistance R2 and R3
Series resistance R4 between AIN-.
Resistance temperature detector model M213.
Resistance temperature detector is electrically connected with aviation plug J1, J1 points of three tunnels of aviation plug；
Wherein the 3rd tunnel with tie point A is grounded by tie point G；
The tie point E of the first via is between resistance temperature detector and node C；
The tie point F on the second tunnel is located between node A and R3；
Electric capacity C2 is electrically connected between input end of analog signal AIN+ and input end of analog signal AIN-, is inputted in reference voltage
Electric capacity C1 is electrically connected between anode VREF and reference voltage input negative terminal AGND；
Reference power supply VCC electrically connects with the input VREF of integrated circuit, and reference power supply VCC passes through inductance L1 and integrated circuit die
Intend power input AVDD electrical connections, AVDD is grounded by electric capacity C3, the data output end DOUT and clock signal of integrated circuit
End SCK connects cpu input respectively.
Digital operation power input is inputted by integrated circuit DVDD.
Also include hardware system；
The silicone rubber jacket for the connection inner chamber right-hand member that hardware system covers including probe handle set, its left end installed in probe handle,
Its right end is inserted on the left of silicone rubber jacket in positioning chamber and its left end step set exposes from silicone rubber jacket left end hole
The outer adapter sleeve that support and its middle part screwed hole are threadedly coupled with probe handle set right-hand member lateral wall；
The right end external diameter of support is more than the external diameter of the step set positioned at the left side of right end, is provided with the middle part of step set scarce
Mouthful, left end endoporus and probe handle set lateral wall interference fit or interference fits, the right-hand member endoporus of outer adapter sleeve of outer adapter sleeve
With silicone rubber jacket lateral wall interference fit or interference fits, the step of the interior step surface and silicone rubber jacket of outer adapter sleeve right-hand member
The right side contacts, and locknut is provided with the right-hand member inner stopper of support, locknut is connected with support by two jackscrews, described two
Jackscrew axial line is vertically arranged, and the screwed hole of locknut is threaded with the left end external screw thread head of measurement flexible pipe, measures a left side for flexible pipe
End internal thread hole is threaded with the external screw thread of lock core, and the external screw thread of lock core is taper thread, and the right-hand member of lock core is left big right for external diameter
Small taper head, taper head insertion are measured in the left end internal thread hole of flexible pipe；
In the air flue for measuring flexible pipe insertion human body, measurement flexible pipe right end is provided with probe thermometric silver set, probe thermometric silver set
Right-hand member be provided with encapsulation header, cable is installed in inner chamber is connected, probe handle set left port and cable between
It is provided with spring protecting sleeve；
Wherein, the resistance temperature detector for gathering airway temperature is installed in probe thermometric silver set, in measurement flexible pipe
The optical fiber that right-hand member electrically connects with resistance temperature detector is inside installed, the left end of optical fiber is located in connection inner chamber and and cable
Electrical connection；The right-hand member of cable is hooked on the indentation, there of support by cable.
Temperature contact measurement method in a kind of air flue, by means of the air flue intelligent temperature described in claim any one of 1-7
Spend tester；Comprise the following steps：
Step a, bronchoscope is inserted in oral cavity；
Step b, flexible pipe insertion will be measured by the service aisle of bronchoscope, survey is specified until probe thermometric silver set reaches air flue
Potential temperature is put；
Airway temperature is passed to resistance temperature detector by step c, probe thermometric silver set, and resistance temperature detector is by the temperature
Degree switchs to electric signal and passes to A/D chips, and the electric signal is carried out analog-to-digital conversion and passes to cpu by A/D chips, and cpu should
Signal passes to display；After the airway temperature of measurement is higher than design temperature, alarm module alarm.
Further improvement as above-mentioned technical proposal：
The design temperature is 34 DEG C.
This patent air flue intelligent temperature tester uses split-type design, and soft temperature measurement probe can divide with measuring system
From the sterilization for being convenient for measuring probe is handled and changed.
The soft temperature measurement probe of air flue intelligent temperature tester uses temperature sensing sensor, and precision is high, the linearity is good, clever
The features such as sensitivity is higher, and stability and temperature-coefficient of electrical resistance dispersiveness are smaller, and temperature reappearance is high.
Air flue intelligent temperature tester uses advanced digital processing technology, equipment strong antijamming capability, using 24
A/D chip resolutions are up to 0.01 degree, and temperature accuracy can be to 0.1 degree.
Using 4.3 cun of TFT lcd touch displays of high definition, interface simple operations are flexible, and temperature data is real with temperature curve
When show.Without the switch key of complexity, ensure the cleanliness factor of air flue intelligent temperature tester, safeguard that cleaning is all very convenient.
The principle of this patent is realized：
Air flue intelligent temperature tester uses soft temperature measurement probe, by bronchoscope to tracheae internal probe environment temperature
Measurement, the change of temperature are detected by RTD chip sensors, and its electric signal is sent into air flue intelligence by soft temperature measurement probe
The internal analysis circuit of energy temperature measuring device, the change of electric signal change the reference voltage of circuit, and the change of voltage passes through A/D
Digital quantization is carried out to temperature after chip analog-to-digital conversion, performed mathematical calculations processing by CPU, around actually active probe
Environment temperature is shown over the display with real-time curve and currently valid measured value.
Air flue intelligent temperature tester sets alarm limits by touch-screen（The ideal temperature threshold values of ROC curve）, pass through
Real time temperature measures to be compared with the ideal temperature threshold values of ROC curve, can send prompt tone, prompt medical personnel pay attention to observing with it is auxiliary
Help examination patient.By using the setting of ROC curve ideal temperature threshold values so that alarm is more intelligent, and is examination
Monitoring and effective supplementary means of the diagnosis early stage of lung cancer.
The e measurement technology of this patent uses resistance chip sensor M213, R0=100 Ohm at, 0 °C of TC=3850
ppm/K。
M213 is resistance temperature detector, and the essence of thermometric is the resistance of measurement sensor in fact, and this equipment uses favour
This bridge measurement method, eliminate line impedance and be then converted into voltage analog signal, then convert analog signals into data signal,
Relevant temperature is conversed by processor again.
Beneficial effects of the present invention not limited to this describes, and in order to preferably readily appreciate, enters in specific embodiment part
More detailed description is gone.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of hardware system of the present invention.
Fig. 3 is the structural representation of hardware system blast of the present invention.
Fig. 4 is the structural representation of support of the present invention.
Fig. 5 is the block diagram of measuring system of the present invention.
Fig. 6 is the circuit diagram of temperature-sensitive module of the present invention.
Wherein：1st, encapsulation header；2nd, probe thermometric silver set；3rd, flexible pipe is measured；4th, silicone rubber jacket；5th, outer adapter sleeve；6th, lock
It is female；7th, lock core；8th, support；9th, jackscrew；10th, inner chamber is connected；11st, spring protecting sleeve；12nd, cable；13rd, probe handle set；14th, show
Show device；15、cpu；16th, A/D chips；17th, low-tension supply is isolated；18th, city's power supply；19th, temperature-sensitive module；20th, Resistance Temperature passes
Sensor；21st, Wheatstone bridge；22nd, integrated circuit；23rd, wire；24th, interior step surface.
Embodiment
This patent uses soft temperature measuring device, the directly temperature measuring to intratracheal region gas first.To lung cancer height
Danger crowd intratracheal region gas temperature has very high value in the examination and early diagnosis of lung cancer；To doubtful cases of lung cancer gas
Pipe inner region gas temperature has very high value in antidiastole lung cancer；With the molecular Biological Detection lung cancer early stage factor
Become and inquire into the elevated mechanism of its temperature.
This patent uses soft temperature measuring device first, by airway wall service aisle, directly to intratracheal region gas
Temperature be measured.One of content, High Risk of Lung Cancer crowd is selected as research object, to intratracheal region gas temperature to lung
The examination and early diagnosis of cancer have very high value, and ideal temperature threshold value and temperature difference are determined using ROC curve.Content it
Two, doubtful cases of lung cancer is selected as research object, is had to intratracheal region gas temperature in antidiastole lung cancer very high
Value.Ideal temperature threshold value and temperature difference are equally determined using ROC curve.The three of research contents, with reference to basic research, fortune
Use RP-PCR（PCT should be quantified in good time）And WB（Western blot）Detection method, prostate is detected from RNA and protein level
The factor of the lung cancer early stage such as element, histamine, angiogenesis factor changes.Preceding binomial is the mark as airway inflammation, latter
Item is the mark as blood vessel hyperplasia, so as to inquire into the elevated mechanism of its temperature.
This patent directly tests intratracheal region gas temperature, including target tracheae first（Branch gas where lesion is possible
Pipe, the bronchus of doubtful lung tumors）Temperature, have it is accurate, reliable, rapid, be disturbed that factor is few, favorable repeatability, together
When due to being measured under calm bronchoscope technology, it is entirely avoided external Garpagnano GE etc. research present in
The influence to expiratory air temperature such as nose, pharynx, larynx, oral cavity, oesophagus, stomach organ internal organs.Simultaneously also avoid expiration speed, build,
Firmly situation etc. may cause the experimental error of expiratory air temperature measuring.The development as scheduled of this patent, it is nothing under bronchoscope
Create antidiastole lung cancer and one new means is provided, the examination and early diagnosis for lung cancer provide a new method.
The technology path of this patent：1st, determine people at highest risk, doubt the patient for examining lung cancer, sign informed consent form, content relates to
And tracheoscopy and its possible complication, carry out the auxiliary examination of bronchoscopy correlation for example clotting time and bleeding time, electrocardiogram,
Chest HRCT, hard objectives trachea-bronchial epithelial cell, all cases are carried out under calm bronchoscope technology, and patient is in calmness
Breathing state, avoid that patient mood is restless, firmly struggle, cough, big mouth are breathed etc. may to the influence of tracheal strips gas temperature,
Temperature reads data stable data on display instrument and is defined.
2nd, by the airway wall of large aperture 3.2mm service aisles, soft temperature test probe is inserted（External diameter 2.6mm）, point
Not in tracheae, knuckle, leaf, segmental bronchus opening, often locate temp probe test 1-2min, avoid being close to bronchial wall as far as possible
And tumor tissues, recorded in detail by assistant, then the elevated target bronchial of temperature regard situation respectively row biopsy, brush inspection,
TBNA and lavation etc. are checked, and the percutaneous pneumoncentesis under CT guiding；Sufferer clinical sample is collected, inquires into correlation with each other,
So as to which its mechanism be expanded on further.The critical of antidiastole lung cancer intratracheal region gas temperature is determined using ROC working curves
Threshold value, statistical analysis, the measure of further clear and definite intratracheal region gas temperature to lung cancer difference subgroup crowd, it is different by stages
Clinical diagnosis meaning.
The achievement of this patent：1st, with the measure of intratracheal region gas temperature, the early stage to people at highest risk's lung cancer is carried out
Screening, so as to inquire into clinical meaning of the research to lung cancer early screening.With the measure of intratracheal region gas temperature,
Carry out and antidiastole is carried out to doubtful patients with lung cancer, tentatively establish air flue inner region gas temperature measure in lung cancer antidiastole
Application technology code and technical standard and indication, observe its validity and security, and carry out Academic promotion activity, allow certain
Region crowd is benefited.
2nd, this technology can be evaluated as the threshold limit value of antidiastole lung cancer by searching out intratracheal region gas temperature
Can the early stage that growth or peripheral type carcinoma of lung are infiltrated for the examination and early diagnosis of lung cancer, in particular for intracavitary and along tube wall examine
It is disconnected that a new clinical diagnosis means are provided.By to all ages and classes, sex, cigarette smoking index, the type of lung cancer and stages of lung cancer
Studied etc. subgroup data analysis, so as to further inquire into intratracheal region gas temperature clinical diagnosis valency in different subgroup crowds
Value.It is possible to judge that rear or monitoring after operation lung cancer local recurrence provides a new means.
As shown in figures 1 to 6, the air flue intelligent temperature tester of the present embodiment, including measuring system；
Measuring system is including being used to sense the temperature-sensitive module 19 of airway temperature, being electrically connected with temperature-sensitive module 19 and be integrated with A/D cores
The integrated circuit 22 of piece 16, the cpu15 electrically connected with A/D chips 16 and the display 14 electrically connected with cpu15.
The present invention realizes the temperature of direct measurement air flue any given position by temperature-sensitive module, realizes direct measurement, surveys
Amount is accurate, avoids external interference, improves measuring accuracy, so as to realize to lung cancer early stage noninvasive prediction.
Measuring system also includes being used for the isolation low-tension supply 17 powered to cpu15 and integrated circuit 22, isolates low pressure
Power supply 17 electrically connects with city's power supply 18；Cpu15 is electrically connected with alarm module.Voltage stabilization.
In figure, this electric bridge of Huitong, R4, R5 are artificially included into temperature-sensitive module 19, certainly, can also according to actual conditions
This electric bridge of its Huitong, R4, R5 are included into rectification circuit module 22.
Temperature-sensitive module 19 includes being used for the resistance temperature detector 20 and resistance temperature detector for gathering airway temperature
The Wheatstone bridge 21 of 20 electrical connections and the integrated circuit 22 electrically connected with Wheatstone bridge 21；The output of integrated circuit 22
End electrically connects with cpu15 inputs.High-acruracy survey is realized, so as to more accurate measurement airway temperature.
Wheatstone bridge 21 includes resistance R1, R2, R3 and resistance temperature detector 20；
Wheatstone bridge 21 is electrically connected with impedance matching resistor R4, R5；
Wherein resistance temperature detector 20 connects to form tie point ACB with resistance R1, and resistance R2 connects to be formed with resistance R3
Second branch road ADB, tie point ACD are in parallel with the second branch road ADB；
Wherein tie point ACB and the second branch road ADB node A are grounded, and tie point ACB and the second branch road ADB node B connect
The reference voltage input positive terminal VREF of integrated circuit 22, in the node C between resistance temperature detector 20 and resistance R1
The series resistance R5 between the input AIN+ of integrated circuit 22, node D and integrated circuit 22 between resistance R2 and R3
Series resistance R4 between input AIN-.
The model M213 of resistance temperature detector 20.
Resistance temperature detector 20 is electrically connected with aviation plug J1, J1 points of three tunnels of aviation plug；
Wherein the 3rd tunnel with tie point A is grounded by tie point G；
The tie point E of the first via is between resistance temperature detector 20 and node C；
The tie point F on the second tunnel is located between node A and R3；
Electric capacity C2 is electrically connected between input end of analog signal AIN+ and input end of analog signal AIN-, is inputted in reference voltage
Electric capacity C1 is electrically connected between anode VREF and reference voltage input negative terminal AGND；Filter function is realized by electric capacity, so as to carry
The accuracy and stability of high RST transmission, so as to further improve the accuracy of measurement, the secondary interference of circuit is avoided, so as to
Realize the accurate transmission to temperature information.
Reference power supply VCC electrically connects with the input VREF of integrated circuit 22, and reference power supply VCC is by inductance L1 with integrating
The analog power input AVDD of circuit 22 is electrically connected, and AVDD is grounded by electric capacity C3, the data output end DOUT of integrated circuit 22
Connect cpu15 input respectively with clock signal terminal SCK.
Digital operation power input is inputted by integrated circuit 22DVDD.
Such as Fig. 1-4, this patent also includes hardware system；
Hardware system includes probe handle set 13, its left end is arranged on the silicon rubber that probe handle covers the 13 connection right-hand member of inner chamber 10
Sheath 4, its right end are inserted into the left side of silicone rubber jacket 4 in positioning chamber and its left end step set is from the left end of silicone rubber jacket 4
Support 8 and its middle part screwed hole and the probe handle that hole is exposed cover the outer adapter sleeve 5 that 13 right-hand member lateral walls are threadedly coupled；It is logical
Sheath protection optical fiber is crossed, by rubber nested structure, plays insulating effect.
The right end external diameter of support 8 is more than the external diameter of the step set positioned at the left side of right end, axially position is realized, in platform
Rank set middle part sets jagged convenient fixed cable, and left end endoporus and the probe handle of outer adapter sleeve 5 cover 13 lateral wall interference and matched somebody with somebody
Close or interference fits, the right-hand member endoporus of outer adapter sleeve 5 and the lateral wall of silicone rubber jacket 4 interference fit or interference fits, connection are tight
It is close firmly to play sealing function, so as to prevent extraneous dust from entering, convenient sterilizing processing.The interior step surface of the outer right-hand member of adapter sleeve 5
24 are contacted with the step right side of silicone rubber jacket 4, and locknut 6 is provided with the right-hand member inner stopper of support 8, and locknut 6 is logical with support 8
Two jackscrews 9 are crossed to connect, two axial lines of jackscrew 9 be vertically arranged, so as to fixation, the screwed hole of locknut 6 is threadedly coupled
There is the left end external screw thread head of measurement flexible pipe 3, the left end internal thread hole of measurement flexible pipe 3 is threaded with the external screw thread of lock core 7, lock core
7 external screw thread is taper thread, and by screwing, so as to which flexible pipe more be firmly fixed, the right-hand member of lock core 7 is left large and right small for external diameter
Taper head, plays guide effect, and taper head insertion is measured in the left end internal thread hole of flexible pipe 3；
Measure flexible pipe 3 to insert in the air flue of human body, the measurement right end of flexible pipe 3 is provided with probe thermometric silver set 2, so as to utilize silver
Excellent thermal conductivity, improve measurement effect, avoid measurement error, also act as disinfection function.The right side of probe thermometric silver set 2
End is provided with encapsulation header 1, and cable 12 is provided with inner chamber 10 is connected, in the left port and cable 12 of probe handle set 13
Between be provided with spring protecting sleeve 11；
Wherein, the resistance temperature detector 20 for gathering airway temperature is installed in probe thermometric silver set 2, it is soft measuring
The wire 23 that right-hand member electrically connects with resistance temperature detector 20 is installed, the left end of wire 23 is positioned at connection inner chamber 10 in pipe 3
In and electrically connect with cable 12；The right-hand member of cable 12 is fixed on cable the indentation, there of support 8 by wire cable fixing clamp.
Temperature contact measurement method in the air flue of the present embodiment, can to lung cancer carry out tentative prediction judgement, its by
In air flue intelligent temperature tester；Comprise the following steps：
Step a, bronchoscope is inserted in oral cavity；
Step b, inserted by the service aisle of bronchoscope by flexible pipe 3 is measured, until the arrival air flue of probe thermometric silver set 2 is specified
Temperature measurement location；
Airway temperature is passed to resistance temperature detector 20, resistance temperature detector 20 by step c, probe thermometric silver set 2
The temperature is switched into electric signal and passes to A/D chips 16, the electric signal is carried out analog-to-digital conversion and passed to by A/D chips 16
The signal is passed to display 14 by cpu15, cpu15；After the airway temperature of measurement is higher than design temperature, alarm module report
It is alert.
In actual use, this patent is the service aisle by bronchoscope, inserts thermoprobe, directly determines patient
Tracheal strips gas temperature, be bronchoscope under noninvasive early diagnosis lung cancer, especially along the Occult Lung Cancer of tube wall, Yi Jiju
Portion's recurrence detection etc. proposes new aided diagnosis method.
This patent can realize the tracheal strips gas temperature of directly measure patient, so as to which without external environmental interference, measure is more
Add precisely, work performance is more stable.
This patent air flue intelligent temperature tester uses split-type design, and soft temperature measurement probe can divide with measuring system
From the sterilization for being convenient for measuring probe is handled and changed.
The soft temperature measurement probe of air flue intelligent temperature tester uses temperature sensing sensor, and precision is high, the linearity is good, clever
The features such as sensitivity is higher, and stability and temperature-coefficient of electrical resistance dispersiveness are smaller, and temperature reappearance is high.
Air flue intelligent temperature tester uses advanced digital processing technology, equipment strong antijamming capability, using 24
A/D chip resolutions are up to 0.01 degree, and temperature accuracy can be to 0.1 degree.
Using 4.3 cun of TFT lcd touch displays of high definition, interface simple operations are flexible, and temperature data is real with temperature curve
When show.Without the switch key of complexity, ensure the cleanliness factor of air flue intelligent temperature tester, safeguard that cleaning is all very convenient.
The principle of this patent is realized：
Air flue intelligent temperature tester uses soft temperature measurement probe, by bronchoscope to tracheae internal probe environment temperature
Measurement, the change of temperature are detected by RTD chip sensors, and its electric signal is sent into air flue intelligence by soft temperature measurement probe
The internal analysis circuit of energy temperature measuring device, the change of electric signal change the reference voltage of circuit, and the change of voltage passes through A/D
Digital quantization is carried out to temperature after chip analog-to-digital conversion, performed mathematical calculations processing by CPU, around actually active probe
Environment temperature is shown over the display with real-time curve and currently valid measured value.
Air flue intelligent temperature tester sets alarm limits by touch-screen（The ideal temperature threshold values of ROC curve）, pass through
Real time temperature measures to be compared with the ideal temperature threshold values of ROC curve, can send prompt tone, prompt medical personnel pay attention to observing with it is auxiliary
Help examination patient.By using the setting of ROC curve ideal temperature threshold values so that alarm is more intelligent, and is examination
Monitoring and effective supplementary means of the diagnosis early stage of lung cancer.
The e measurement technology of this patent uses resistance chip sensor M213, R0=100 Ohm at, 0 °C of TC=3850
ppm/K。
M213 is resistance temperature detector, and the essence of thermometric is the resistance of measurement sensor in fact, and this equipment uses favour
This bridge measurement method, eliminate line impedance and be then converted into voltage analog signal, then convert analog signals into data signal,
Relevant temperature is conversed by processor again.
Analog-to-digital conversion AD IC are using single channel 24bit high accuracy fully differential input channel ADC TM7711 as numeral
Quantify.Direct temperature measurement and numeral output in piece, fast response time, 24, without code is lost, synchronously suppress 50Hz power supplys and do
Disturb, improve the Performance And Reliability of machine system.
This patent additionally uses isolated from power technology
Input power front end is using EMC circuits progress electromagnetic compatibility, the electric surge class requirement that product can be made to meet ± 4KV,
High-frequency noise is removed simultaneously, improves the stability and compatibility of product.
Input power rear end uses the AC/DC modules of MORNSUN LD05-20B12 high-efficiency high-capacity densities, has output
Short circuit overcurrent and over-voltage protecting function, isolation voltage, input-output 4000V VAC 1min meet Safety in Medical Equipment regulation.
The Display Technique of this patent display
Computer software and computing have the completion of LCD liquid crystal terminals.
The Development System of LCD liquid crystal terminals is by DGUS screens and DGUS exploitation software sharings.DGUS is DWIN
Graphic Utilized Software abbreviation.
LCD liquid crystal terminals are DGUS softwares and the intelligence screen based on K600+ kernel-drivens, have it is reliable, stably, function
Multiple advantages such as property is strong, ease for use is good.
The design parameter of this patent
Air flue intelligent temperature tester main frame, be made up of engineering plastics PVC chassis bodies, be above provided with power input interface,
Outside changeable type fuse, power switch, 4.3 touch-screens and probe interface composition.
Air flue intelligent temperature tester main working parameters
Working power：AC220V ±10%
Temperature resolution：0.01℃
Measurement accuracy：0.1℃
Measurement temperature scope：0-50℃
Product size：180*140*60mm
Weight：0.5Kg
Tester temperature probe
Tester temperature probe is by polytetrafluoroethylene (PTFE) channels operation built-in type flexible pipe thermoprobe（Thermometric silver probe）, handle, survey
Warm connecting cable, interface connection plug composition.
Tester temperature probe parameter
Insert probe length：970mm diameters：2.0mm
Handle degree：180mm diameters：150mm
Cable length：2500mm
Operate with explanation
1st, starting procedure：
Pay attention to：It please check that " power switch " is in off-mode before start, otherwise be possible to damage equipment！！！
Switching-on and switching-off state judges：I projections are off-mode, and O projections are open state.
Connection thermoprobe → connection host power supply line → power line accesses AC220V power supplys → turns on the power switch, and completes
Start.
2nd, shutdown process：
Turn off the power switch → extract（Disconnect）Power line power supply plug → separation connection thermoprobe or connection host power supply line,
Complete shutdown.
Alarm setting
Alarm setting is to send buzzing prompt tone when specified measurement value is more than or less than setting numerical value for convenience, there is provided auxiliary carries
Show help.
At parameter setting interface, screen " alarm setting " region is pressed, interface is set into temperature alarming.
At alarm setting interface, there is provided 4 sections of alarm settings, be respectively:
1.HH（Superhigh temperature upper limit alarm threshold values）Setting value.
2.HL（High temperature upper limit alarm threshold values）Setting value.
3.LH（Low temperature limits alarming threshold value）Setting value.
4.LL（Ultralow temperature lower limit alarming threshold value）Setting value.
The present invention it is reasonable in design, cost is cheap, it is durable, safe and reliable, simple to operate, time saving and energy saving, save fund,
It is compact-sized and easy to use.
The present invention, which fully describes, to be disclosed in order to more clear, and is just no longer enumerated for prior art.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic；Make
It is obvious that multiple technical schemes of the present invention, which are combined, for those skilled in the art.And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of technical scheme of the embodiment of the present invention.
Claims (9)
- A kind of 1. air flue intelligent temperature tester, it is characterised in that：Including measuring system；Measuring system is including being used to sense the temperature-sensitive module (19) of airway temperature, being electrically connected with temperature-sensitive module (19) and be integrated with A/ The integrated circuit of D chips (16)（22）, input and integrated circuit（22）The cpu (15) and and cpu of output end electrical connection (15) display (14) of electrical connection.
- 2. air flue intelligent temperature tester according to claim 1, it is characterised in that:Measuring system also includes being used to give Cpu (15) and integrated circuit（22）The isolation low-tension supply (17) of power supply, isolation low-tension supply (17) and city's power supply (18) electricity Connection；Cpu (15) is electrically connected with alarm module.
- 3. air flue intelligent temperature tester according to claim 1, it is characterised in that:Temperature-sensitive module (19) includes being used to adopt Collect the resistance temperature detector (20) and and resistance temperature detector of airway temperature（20）The Wheatstone bridge of electrical connection （21）；Wheatstone bridge（21）Analog output and integrated circuit（22）Analog interface electrically connects.
- 4. air flue intelligent temperature tester according to claim 3, it is characterised in that:Wheatstone bridge（21）Including electricity Hinder R1, R2, R3 and resistance temperature detector（20）；Wheatstone bridge（21）It is electrically connected with impedance matching resistor R4, R5；Wherein resistance temperature detector（20）Connect to form tie point ACB with resistance R1, resistance R2 connects shape with resistance R3 Into the second branch road ADB, tie point ACD is in parallel with the second branch road ADB；Wherein tie point ACB and the second branch road ADB node A are grounded, and tie point ACB and the second branch road ADB node B connect Integrated circuit（22）Reference voltage input positive terminal VREF, positioned at resistance temperature detector（20）With the knot between resistance R1 Point C and integrated circuit（22）Input AIN+ between series resistance R5, node D and integrated circuit between resistance R2 and R3 （22）Input AIN- between series resistance R4.
- 5. air flue intelligent temperature tester according to claim 4, it is characterised in that:Resistance temperature detector (20) Model M213.
- 6. air flue intelligent temperature tester according to claim 4, it is characterised in that:Resistance temperature detector (20) It is electrically connected with aviation plug J1, J1 points of three tunnels of aviation plug；Wherein the 3rd tunnel with tie point A is grounded by tie point G；The tie point E of the first via is located between resistance temperature detector (20) and node C；The tie point F on the second tunnel is located between node A and R3；Electric capacity C2 is electrically connected between input end of analog signal AIN+ and input end of analog signal AIN-, is inputted in reference voltage Electric capacity C1 is electrically connected between anode VREF and reference voltage input negative terminal AGND；Reference power supply VCC and integrated circuit（22）Input VREF electrical connections, reference power supply VCC passes through inductance L1 and integrated electricity Road（22）Analog power input AVDD is electrically connected, and AVDD is grounded by electric capacity C3, integrated circuit（22）Data output end DOUT and clock signal terminal SCK connects the input of cpu (15) respectively；Digital operation power input is by integrated circuit（22）DVDD is inputted.
- 7. the air flue intelligent temperature tester according to claim 3 or 6, it is characterised in that:Also include hardware system；Hardware system includes probe handle set (13), its left end installed in connection inner chamber (10) right-hand member of probe handle set (13) Silicone rubber jacket (4), its right end be inserted on the left of silicone rubber jacket (4) in positioning chamber and its left end step set is from silicon rubber The support (8) and its middle part screwed hole that sheath (4) left end hole is exposed are threadedly coupled with probe handle set (13) right-hand member lateral wall Outer adapter sleeve (5)；The right end external diameter of support (8) is more than the external diameter of the step set positioned at the left side of right end, is provided with the middle part of step set Breach, the left end endoporus of outer adapter sleeve (5) is interference fitted with probe handle set (13) lateral wall or interference fits, outer adapter sleeve (5) right-hand member endoporus is interference fitted with silicone rubber jacket (4) lateral wall or interference fits, the interior step of outer adapter sleeve (5) right-hand member Face（24）Contacted with the step right side of silicone rubber jacket (4), locknut (6), locknut are installed in the right-hand member inner stopper of support (8) (6) it is connected with support (8) by two jackscrews (9), described two jackscrew (9) axial lines are vertically arranged, the screw thread of locknut (6) Hole is threaded with the left end external screw thread head of measurement flexible pipe (3), and the left end internal thread hole of measurement flexible pipe (3) is threaded with lock core (7) external screw thread, the external screw thread of lock core (7) are taper thread, and the right-hand member of lock core (7) is external diameter taper head left large and right small, taper In the left end internal thread hole of head insertion measurement flexible pipe (3)；In the air flue for measuring flexible pipe (3) insertion human body, measurement flexible pipe (3) right end is provided with probe thermometric silver set (2), probe The right-hand member of thermometric silver set (2) is provided with encapsulation header (1), cable (12) is provided with inner chamber (10) are connected, in probe handle Cover and be provided with spring protecting sleeve (11) between the left port of (13) and cable (12)；Wherein, the resistance temperature detector (20) for gathering airway temperature is installed in probe thermometric silver set (2), surveyed The optical fiber that right-hand member electrically connects with resistance temperature detector (20) is installed in amount flexible pipe (3)（23）, optical fiber（23）Left end position In connecting in inner chamber (10) and electrically connected with cable (12)；The right-hand member of cable (12) is hooked on support (8) by cable Indentation, there.
- A kind of 8. temperature contact measurement method in air flue, it is characterised in that:By means of the gas described in claim any one of 1-7 Road intelligent temperature tester；Comprise the following steps：Step a, bronchoscope is inserted in oral cavity；Step b, flexible pipe (3) will be measured by the service aisle of bronchoscope and inserted, until probe thermometric silver set (2) reaches air flue Specify temperature measurement location；Airway temperature is passed to resistance temperature detector (20), Resistance Temperature sensing by step c, probe thermometric silver set (2) The temperature is switched to electric signal and passes to A/D chips (16) by device (20), and the electric signal is carried out analog-to-digital conversion by A/D chips (16) And cpu (15) is passed to, the signal is passed to display (14) by cpu (15)；When the airway temperature of measurement is higher than design temperature Afterwards, alarm module is alarmed.
- 9. temperature contact measurement method in air flue according to claim 8, it is characterised in that:The design temperature is 34℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203708.7A CN107822603A (en) | 2017-11-27 | 2017-11-27 | Temperature contact measurement method in air flue intelligent temperature tester and air flue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203708.7A CN107822603A (en) | 2017-11-27 | 2017-11-27 | Temperature contact measurement method in air flue intelligent temperature tester and air flue |
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| CN107822603A true CN107822603A (en) | 2018-03-23 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454066A (en) * | 1975-01-03 | 1976-10-27 | Vital Signs Inc | Multipurpose oesophageal probe |
| SU1662488A1 (en) * | 1988-06-29 | 1991-07-15 | Научно-исследовательский институт онкологии им.проф.Н.Н.Петрова | Method for differential diagnosis of central lung cancer and chronic nonspecific pulmonary diseases |
| CN2164552Y (en) * | 1993-07-26 | 1994-05-11 | 武汉市医疗器械研究所 | Temp. different detector for lungs cancer |
| CN102662421A (en) * | 2012-06-08 | 2012-09-12 | 重庆大学 | Temperature controlling device for standardizing breathing gas for lung cancer detection |
| CN204233566U (en) * | 2014-11-25 | 2015-04-01 | 江苏省苏北人民医院 | Temperature measuring type endotracheal tube |
| CN105167776A (en) * | 2014-11-26 | 2015-12-23 | 深圳市一体医疗科技有限公司 | Lung monitoring system |
| CN105813540A (en) * | 2013-11-25 | 2016-07-27 | 柯惠有限合伙公司 | Imaging catheter with thermal management assembly |
| WO2017000378A1 (en) * | 2015-07-01 | 2017-01-05 | 深圳市华科安测信息技术有限公司 | Method for monitoring early symptoms of pulmonary tuberculosis and monitoring system |
| CN106572794A (en) * | 2014-07-02 | 2017-04-19 | 柯惠有限合伙公司 | System and method for navigating within the lung |
| CN209332033U (en) * | 2017-11-27 | 2019-09-03 | 北京库蓝医疗设备有限公司 | Air flue intelligent temperature tester |
-
2017
- 2017-11-27 CN CN201711203708.7A patent/CN107822603A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454066A (en) * | 1975-01-03 | 1976-10-27 | Vital Signs Inc | Multipurpose oesophageal probe |
| SU1662488A1 (en) * | 1988-06-29 | 1991-07-15 | Научно-исследовательский институт онкологии им.проф.Н.Н.Петрова | Method for differential diagnosis of central lung cancer and chronic nonspecific pulmonary diseases |
| CN2164552Y (en) * | 1993-07-26 | 1994-05-11 | 武汉市医疗器械研究所 | Temp. different detector for lungs cancer |
| CN102662421A (en) * | 2012-06-08 | 2012-09-12 | 重庆大学 | Temperature controlling device for standardizing breathing gas for lung cancer detection |
| CN105813540A (en) * | 2013-11-25 | 2016-07-27 | 柯惠有限合伙公司 | Imaging catheter with thermal management assembly |
| CN106572794A (en) * | 2014-07-02 | 2017-04-19 | 柯惠有限合伙公司 | System and method for navigating within the lung |
| CN204233566U (en) * | 2014-11-25 | 2015-04-01 | 江苏省苏北人民医院 | Temperature measuring type endotracheal tube |
| CN105167776A (en) * | 2014-11-26 | 2015-12-23 | 深圳市一体医疗科技有限公司 | Lung monitoring system |
| WO2017000378A1 (en) * | 2015-07-01 | 2017-01-05 | 深圳市华科安测信息技术有限公司 | Method for monitoring early symptoms of pulmonary tuberculosis and monitoring system |
| CN209332033U (en) * | 2017-11-27 | 2019-09-03 | 北京库蓝医疗设备有限公司 | Air flue intelligent temperature tester |
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Application publication date: 20180323 |