CN105403328B - The check and evaluation System and method for of multichannel medicine temperature sensor - Google Patents

The check and evaluation System and method for of multichannel medicine temperature sensor Download PDF

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CN105403328B
CN105403328B CN201510621127.XA CN201510621127A CN105403328B CN 105403328 B CN105403328 B CN 105403328B CN 201510621127 A CN201510621127 A CN 201510621127A CN 105403328 B CN105403328 B CN 105403328B
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temperature
msub
mrow
temperature sensor
signal
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CN105403328A (en
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王超
刘兰强
侯远龙
高强
张同杰
侯润民
吕明明
刘超
孙浩
梁勇飞
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K15/00—Testing or calibrating of thermometers
    • G01K15/007—Testing

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  • Investigating Or Analysing Biological Materials (AREA)
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Abstract

The present invention provides a kind of check and evaluation system of multichannel medicine temperature sensor, including：Multichannel medicine temperature sensor, temperature sensor signal cross box, high-precision quartz crystal temperature effect measuring instrument and host computer composition, host computer are provided with processor and memory, and memory is used to store the data used by processor and program assembly；Multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and host computer is sent to by data-interface via after temperature sensor signal cross box progress signal transacting, foregoing high-precision quartz crystal temperature effect measuring instrument while collecting temperature information output temperature signal are simultaneously transferred to host computer, host computer is contrasted the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument, carries out the check and evaluation of multichannel medicine temperature sensor.

Description

The check and evaluation System and method for of multichannel medicine temperature sensor
Technical field
The present invention relates to the detection field of temperature sensor, in particular to a kind of detection of multichannel medicine temperature sensor Assessment system and method.
Background technology
Powerful with China's military power, the required precision more and more higher to weapon, the drop point of shell is more and more accurate, And temperature of ammunition when launching can influence fire accuracy, while requirement of the ammunition in storage, transportation to temperature is also very Strictly.Therefore, the quality of the medicine temperature sensor to measuring ammunition temperature has higher requirements, it is necessary to which the measurement to medicine temperature sensor misses Difference is detected, so as to be used for qualified medicine temperature sensor to measure ammunition temperature, to ensure fire accuracy and storage of ammunition, fortune Defeated safety.
The detection to temperature sensor measurement error is realized it is necessary to use the temperature sensor of higher precision as standard It is compared.All apply platinum resistance temperature sensor, platinum resistance temperature sensor measurement mostly to high-precision temperature detection at present Precision is high, but long-time stability are poor, is recalibrated with after a period of time with regard to needs.
The content of the invention
Present invention aims at a kind of check and evaluation system of multichannel medicine temperature sensor is provided, the reality of multi way temperature is realized When monitor, temperature sensor error-detecting, error evaluation, whether automatic decision medicine temperature sensor qualified.
The above-mentioned purpose of the present invention realized by the technical characteristics of independent claims, and dependent claims are with alternative or have The mode of profit develops the technical characteristic of independent claims.
To reach above-mentioned purpose, the present invention proposes a kind of check and evaluation system of multichannel medicine temperature sensor, including：
Multichannel medicine temperature sensor, temperature sensor signal cross box, high-precision quartz crystal temperature effect measuring instrument and upper Machine forms, and host computer is provided with processor and memory, and memory is used to store the data and program groups used by processor Part；
Multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and via temperature sensor signal cross box Host computer is sent to by data-interface after progress signal transacting, foregoing high-precision quartz crystal temperature effect measuring instrument gathers simultaneously Temperature information output temperature signal is simultaneously transferred to host computer, and host computer is by the temperature signal of multichannel medicine temperature sensor and high-precision stone The temperature signal of English crystal temperature effect measuring instrument is contrasted, and carries out the check and evaluation of multichannel medicine temperature sensor, wherein, it is described upper The processor of machine is configured to carry out down multichannel medicine temperature sensor using the program assembly in memory and aforementioned temperature signal The check and evaluation stated：
First, according to multichannel medicine temperature sensor respectively in three high temperature, medium temperature, low temperature temperature sections in respective temperature section The temperature signal of multigroup measurement is carried out, compared with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, is obtained multigroup Error amount；
Then, the allowable error for whether having any one grouping error to exceed setting in more set of error values is judged, if then straight Connect and judge multichannel medicine temperature sensor to be unqualified, if the further progress error evaluation without if, including：
1) obtain assessing parameter according to the following equation：
Wherein, σ1Parameter, σ are assessed for high temperature2Parameter, σ are assessed for medium temperature3Parameter, t are assessed for low temperature1i、t2i、t3iRespectively The obtained temperature value of different temperatures is measured in three high temperature, medium temperature, low temperature temperature sections for multichannel medicine temperature sensor；u1i、 u2i、u3iHigh accuracy under high temperature that respectively high-precision quartz crystal detector correspondingly measures, medium temperature, low temperature different temperatures Temperature value；N1、N2、N3The number respectively measured in high temperature, medium temperature, cryogenic temperature section；
2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner：
Wherein, ω1、ω2、ω3Respectively high temperature, medium temperature, weights corresponding to low temperature, ω1+ω2+ω3=1,0.15<ω1、 ω2、ω3<0.7；
3) according to obtained net assessment parameter and the assessment parameter σ of setting comparison, multichannel medicine temperature sensor is determined Detection：If net assessment parameterLess than the assessment parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise sentence It is set to unqualified.
In further example, temperature sensor signal cross box and high-precision quartz the crystal temperature effect measuring instrument is logical Cross serial ports and transmit data to host computer.
In further embodiment, the allowable error and assessment parameter σ are all in accordance with multichannel medicine temperature sensor to be detected And preset in the host computer.
In further embodiment, the measurement range of the multichannel medicine temperature sensor is -55 DEG C to+125 DEG C, and it is high Temperature, medium temperature, the division of three temperature sections of low temperature are as follows：
High temperature：65 DEG C to 125 DEG C；Medium temperature：5 DEG C to 65 DEG C；Low temperature：- 55 DEG C to 5 DEG C.
In further example, in described temperature sensor signal cross box there is an aviation plug to be used for and multichannel medicine Temperature sensor is connected to receive the temperature signal of collection, also carries out decoding conversion to temperature signal with a STC89C52RC chips Temperature signal is sent to host computer into decadic signaling, and by RS232 serial ports.
According to the improvement of the present invention, it is also proposed that a kind of check and evaluation method of multichannel medicine temperature sensor, including：
Multichannel medicine temperature sensor measures in three high temperature, medium temperature, low temperature temperature sections in respective temperature section respectively, Obtain the temperature signal of multigroup measurement；
Aforementioned temperature signal is sent to via after temperature sensor signal cross box progress signal transacting by data-interface Host computer；
High-precision quartz crystal temperature effect measuring instrument while collecting temperature information output temperature signal are simultaneously transferred to host computer；
Host computer is by the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument Contrasted, carry out the check and evaluation of multichannel medicine temperature sensor, specifically include：
First, according to multichannel medicine temperature sensor respectively in three high temperature, medium temperature, low temperature temperature sections in respective temperature section The temperature signal of multigroup measurement is carried out, compared with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, is obtained multigroup Error amount；
Then, the allowable error for whether having any one grouping error to exceed setting in more set of error values is judged, if then straight Connect and judge multichannel medicine temperature sensor to be unqualified, if the further progress error evaluation without if, including：
1) obtain assessing parameter according to the following equation：
Wherein, σ1Parameter, σ are assessed for high temperature2Parameter, σ are assessed for medium temperature3Parameter, t are assessed for low temperature1i、t2i、t3iRespectively The obtained temperature value of different temperatures is measured in three high temperature, medium temperature, low temperature temperature sections for multichannel medicine temperature sensor；u1i、 u2i、u3iHigh accuracy under high temperature that respectively high-precision quartz crystal detector correspondingly measures, medium temperature, low temperature different temperatures Temperature value；N1、N2、N3The number respectively measured in high temperature, medium temperature, cryogenic temperature section；
2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner：
Wherein, ω1、ω2、ω3Respectively high temperature, medium temperature, weights corresponding to low temperature, ω1+ω2+ω3=1,0.15<ω1、 ω2、ω3<0.7；
3) according to obtained net assessment parameter and the assessment parameter σ of setting comparison, multichannel medicine temperature sensor is determined Detection：If net assessment parameterLess than the assessment parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise sentence It is set to unqualified.
It should be appreciated that as long as all combinations of aforementioned concepts and the extra design described in greater detail below are at this Sample design it is not conflicting in the case of can be viewed as the disclosure subject matter a part.In addition, required guarantor All combinations of the theme of shield are considered as a part for the subject matter of the disclosure.
Can be more fully appreciated from the following description with reference to accompanying drawing present invention teach that foregoing and other aspect, reality Apply example and feature.The feature and/or beneficial effect of other additional aspects such as illustrative embodiments of the present invention will be below Description in it is obvious, or by according to present invention teach that embodiment practice in learn.
Brief description of the drawings
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, each identical or approximately uniform group shown in each figure It can be indicated by the same numeral into part.For clarity, in each figure, not each part is labeled. Now, by example and the embodiment of various aspects of the invention will be described in reference to the drawings, wherein：
Fig. 1 is the schematic diagram of the check and evaluation system of the multichannel medicine temperature sensor of the present invention.
Fig. 2 is the circuit theory diagrams of medicine temperature sensor signal cross box of the present invention.
Fig. 3 is the flow chart of the check and evaluation method of multichannel medicine temperature sensor of the present invention.
Fig. 4 is the system setting procedure figure of the check and evaluation system of the multichannel medicine temperature sensor of the present invention.
Fig. 5 is the collecting temperature signal flow graph of the check and evaluation system of the multichannel medicine temperature sensor of the present invention.
Fig. 6 is the selection measurement temperature scope interface of the check and evaluation system of the multichannel medicine temperature sensor of the present invention.
Fig. 7 is the query function flow chart of the check and evaluation system of the multichannel medicine temperature sensor of the present invention.
Fig. 8 is the file polling interface of the check and evaluation system of the multichannel medicine temperature sensor of the present invention.
Embodiment
In order to know more about the technology contents of the present invention, especially exemplified by specific embodiment and institute's accompanying drawings are coordinated to be described as follows.
Each side with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations. It is not intended to cover all aspects of the invention for embodiment of the disclosure.It should be appreciated that a variety of designs presented hereinbefore and reality Apply example, and those designs described in more detail below and embodiment can in many ways in any one come it is real Apply, because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, disclosed by the invention one A little aspects can be used alone, or otherwise any appropriately combined be used with disclosed by the invention.
With reference to shown in Fig. 1,2, according to an embodiment of the invention, a kind of check and evaluation system of multichannel medicine temperature sensor, Including：Multichannel medicine temperature sensor, temperature sensor signal cross box, high-precision quartz crystal temperature effect measuring instrument and upper unit Into, wherein, host computer is provided with processor and memory, and memory is used to store the data and program groups used by processor Part.
With reference to Fig. 1, multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and believes via temperature sensor Number cross box carries out being sent to host computer, foregoing high-precision quartz crystal temperature effect measuring instrument by data-interface after signal transacting Collecting temperature information output temperature signal and be transferred to host computer simultaneously, host computer by the temperature signal of multichannel medicine temperature sensor with The temperature signal of high-precision quartz crystal temperature effect measuring instrument is contrasted, and carries out the check and evaluation of multichannel medicine temperature sensor, wherein, The processor of the host computer is configured to sense multichannel medicine temperature using the program assembly in memory and aforementioned temperature signal Device carries out following check and evaluations：
First, according to multichannel medicine temperature sensor respectively in three high temperature, medium temperature, low temperature temperature sections in respective temperature section The temperature signal of multigroup measurement is carried out, compared with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, is obtained multigroup Error amount；
Then, the allowable error for whether having any one grouping error to exceed setting in more set of error values is judged, if then straight Connect and judge multichannel medicine temperature sensor to be unqualified, if the further progress error evaluation without if, including：
1) obtain assessing parameter according to the following equation：
Wherein, σ1Parameter, σ are assessed for high temperature2Parameter, σ are assessed for medium temperature3Parameter, t are assessed for low temperature1i、t2i、t3iRespectively The obtained temperature value of different temperatures is measured in three high temperature, medium temperature, low temperature temperature sections for multichannel medicine temperature sensor；u1i、 u2i、u3iHigh accuracy under high temperature that respectively high-precision quartz crystal detector correspondingly measures, medium temperature, low temperature different temperatures Temperature value；N1、N2、N3The number respectively measured in high temperature, medium temperature, cryogenic temperature section；
2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner：
Wherein, ω1、ω2、ω3Respectively high temperature, medium temperature, weights corresponding to low temperature, ω1+ω2+ω3=1,0.15<ω1、 ω2、ω3<0.7；
3) according to obtained net assessment parameter and the assessment parameter σ of setting comparison, multichannel medicine temperature sensor is determined Detection：If net assessment parameterLess than the assessment parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise sentence It is set to unqualified.
In some instances, temperature sensor signal cross box and high-precision quartz the crystal temperature effect measuring instrument passes through Serial ports transmits data to host computer.
In some instances, the allowable error and assess parameter σ all in accordance with multichannel medicine temperature sensor to be detected and Preset in the host computer.
In some instances, the measurement range of the multichannel medicine temperature sensor is -55 DEG C to+125 DEG C, and its high temperature, Medium temperature, the division of three temperature sections of low temperature are as follows：
High temperature：65 DEG C to 125 DEG C；Medium temperature：5 DEG C to 65 DEG C；Low temperature：- 55 DEG C to 5 DEG C.
In described temperature sensor signal cross box have an aviation plug be used for be connected with multichannel medicine temperature sensor with The temperature signal of collection is received, decoding also is carried out to temperature signal with a STC89C52RC chips and is converted into decadic signaling, And temperature signal is sent to host computer by RS232 serial ports.
With reference to shown in Fig. 2, the temperature sensor letter of the check and evaluation system of the multichannel medicine temperature sensor of previous embodiment Number cross box, its major function are collection multichannel medicine temperature sensor signal and decode logical serial ports temperature signal is passed into host computer； There are 12 three core aviation plugs behind temperature sensor signal cross box, connect 12 medicine temperature sensors respectively, the 1 of aviation plug Pin, the administration temperature sensor power supply of 3 pin, 1 pin is GND, and 3 pin are VCC；The data wire that 2 pin of aviation plug connect medicine temperature sensor is (single Bus) there are a nine kinds of needles RS232 serial ports, the temperature number that 12 road medicine temperature sensors measure behind temperature sensor signal cross box According to host computer can be sent to by the serial ports.5V Switching Power Supplies built in temperature sensor signal cross box are powered.Major control core Piece is STC89C52RC, internal circuit such as Fig. 2.
Chip STC89C52RC [U1] 40 pin P1.0 meet 2 pin N1 of first 3 core plug [J1], chip STC89C52RC The 41 pin P1.1 of [U1] meet 2 pin N2 of second 3 core plug [J2], and chip STC89C52RC [U1] 42 pin P1.2 connect the 3rd 2 pin N3, STC89C52RC [U1] of 3 core plugs [J3] 43 pin P1.3 connect 2 pin N4 of the 4th 3 core plug [J4], chip STC89C52RC [U1] 44 pin P1.4 connect 2 pin N5 of the 5th 3 core plug [J5], chip STC89C52RC [U1] 1 pin P1.5 meets 2 pin N6 of the 6th 3 core plug [J6], and chip STC89C52RC [U1] 2 pin P1.6 connect the 7th 3 core plug [J7] 2 pin N7, chip STC89C52RC [U1] 3 pin P1.7 meet 2 pin N8 of the 8th 3 core plug [J8], chip STC89C52RC The 18 pin P2.0 of [U1] meet 2 pin N9 of the 9th 3 core plug [J9], and chip STC89C52RC [U1] 19 pin P2.1 connect the tenth 2 pin N10 of 3 core plugs [J10], chip STC89C52RC [U1] 20 pin P2.2 connect 2 pin of the 11st 3 core plug [J11] N11, chip STC89C52RC [U1] 21 pin P2.3 meet 2 pin N12 of the 12nd 3 core plug [J12]；Chip STC89C52RC 2 pin that the 5 pin P3.0 of [U1] connect the 15th core plug [TTL] connect chip MAX232 [U2] 12 pin R1OUT, chip 3 pin that STC89C52RC [U1] 7 pin P3.1 connect the 15th core plug [TTL] connect chip MAX232 [U2] 11 pin T1IN, core Piece STC89C52RC [U1] 15 pin XTAL1 connect crystal oscillator [Y1] and connect the 6th electric capacity [C6], chip STC89C52RC [U1] 14 pin XTAL2 connects crystal oscillator [Y1] and connects the 6th electric capacity [C7], and chip STC89C52RC [U1] 38 pin VCC connect the 13rd core plug The 1 pin VCC of [POWER], chip STC89C52RC [U1] 16 pin GND connect 2 pin GND chips of the 13rd core plug [POWER] STC89C52RC [U1] 5 pin RST, which connect first resistor [R1] and connect second resistance [R2], connects the second electric capacity [C8]；Chip MAX232 1,3 pin of [U2] connect the first electric capacity [C1] both ends, and chip MAX232 [U2] 4,5 pin connect the second electric capacity [C2] both ends, chip MAX232 [U2] 6 pin connect the 3rd electric capacity [C3], and chip MAX232 [U2] 2 pin meet the 4th electric capacity [C4], chip MAX232 16 pin of [U2] meet the 1 pin VCC that the 5th electric capacity [C5] connects the 13rd core plug [POWER], and chip MAX232 [U2] 15 pin connect 5th electric capacity [C5] meets 2 pin GND of the 13rd core plug [POWER]；One 3 core plug [J1], the 2nd 3 core plug [J2], 33 core plugs [J3], the 4th 3 core plug [J4], the 5th 3 core plug [J5], the 6th 3 core plug [J6], the 7th 3 core plug [J7], the 8th 3 core plug [J8], the 9th 3 core plug [J9], the 10th core plug [J10], the 11st core plug [J11], the tenth 1 pin of 23 core plugs [J12] meets GND, the one 3 core plug [J1], the 2nd 3 core plug [J2], the 3rd 3 core plug [J3], the 4th 3 core plugs [J4], the 5th 3 core plug [J5], the 6th 3 core plug [J6], the 7th 3 core plug [J7], the 8th 3 core plug [J8], 9th 3 core plug [J9], the 10th core plug [J10], the 11st core plug [J11], 3 pin of the 12nd core plug [J12] connect VCC。
Top 12 three core joint J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12 difference jointing temp sensing 12 three core aviation plugs behind device signal conversion box body；Two core joint POWER 1 pin, 2 pin connect respectively Switching Power Supply+ 5V, GND output end, powered to circuit board；Nine kinds of needles behind three core joint COM connections temperature sensor signals conversion box body connects Head, three core joint COM 1 pin meet the 2nd pin OUT of nine kinds of needles joint, and three core joint COM 2 pin meet the 3rd pin IN of nine kinds of needles joint, Three core joint COM 3 pin meet the 5th pin GND of nine kinds of needles joint；Four core joint TTL connection downloaders, for giving STC89C52RC cores Piece programming program, four core joint TTL 1 pin connect+5V power supplys, and four core joint TTL 4 pin connect GND, four core joint TTL 2 pin, 3 Pin connects the data wire of lower device；Button key is reset key, and program is run from beginning after pressing.
With reference to foregoing explanation, it is further described below by taking the check and evaluation of 12 road medicine temperature sensors as an example.
With reference to Fig. 1, Fig. 3, temperature signal is transmitted to temperature sensor by 12 road medicine temperature sensors by the form of monobus to be believed Number detection case, temperature sensor signal detection case reads 12 road temperature datas and simultaneously data is decoded, then by 12 circuit-switched datas It is sent to host computer；High-precision quartz crystal detector detects the temperature under identical environment simultaneously, and by high precision temp degrees of data Host computer is passed to by serial ports.Host computer is to receiving the data and the detection of high-precision quartz crystal that 12 road medicine temperature sensors measure What instrument measured handle, and temperature value and error amount are included in main interface.Same group of medicine temperature sensor will measure respectively Three high temperature, medium temperature, low temperature temperature ranges.High temperature, medium temperature, the measurement error of low temperature no more than set error and assert that product closes Lattice, otherwise product is unqualified.
With reference to Fig. 3, specifically, the concrete operations step of the check and evaluation system of the multichannel medicine temperature sensor in the example It is rapid as follows：To carry out communicating the setting of serial ports and the setting of allowable error before main interface measurement is opened.Such as Fig. 4, click is set Put button and enter setting interface, input password is (such as：123456) temperature sensors of high precision serial port setting, 12 road medicine temperature are carried out Spend sensor serial port to set, it is allowed to which error is set.Start measurement temperature data in next step, click on start button ejection such as Fig. 6 Temperature selection dialog box selection measured temperature scope (high temperature, medium temperature or low temperature), now main interface shows what is measured in real time Data, this group of data are temporarily preserved etc. measurement button is clicked on after data stabilization, then carry out the temperature survey of next temperature section, directly To by three high temperature, medium temperature, low temperature temperature segment datas, temperature acquisition is completed.Next click on and preserve file button, check product Whether numbering and tester, which fill in complete save button of clicking on, is completed to preserve.
The query function of the check and evaluation system based on multichannel medicine temperature sensor with reference to designed by Fig. 7, Fig. 8 present invention Introduce.Inquiry button is clicked on, ejection inquiry session frame (such as Fig. 8), the medicine temperature sensor to be inquired about is inputted in production code member Particular number, clicks on time and the gauger for starting a query at and the temperature sensor measurement just occurring in the form of right side, and product is compiled Number suffix _ 100, _ 101 number for representing measurement, _ 100 represent the data of measurement for the first time, and _ 101 represent the numbers of second of measurement According to adding up successively.The row to be checked is chosen in the table, clicks on the data for the sensor for determining to eject reference numeral.Click on Print button can eject Print Preview dialog box, click on and determine to complete printing function.In quality certification pattern is printed, in the quality certification Appearance includes high temperature, medium temperature, the temperature evaluation coefficient of three temperature sections of low temperature, temperature sensors of high precision measured temperature and 12 tunnels The Qualification of medicine temperature sensor.
In some instances, the association attributes of the check and evaluation system of multichannel medicine temperature sensor is exemplary as follows：
1. -55 DEG C to+130 DEG C of high-precision quartz crystal temperature effect sensor measurement range, gamut measurement accuracy<0.05 ℃；
2. -55 DEG C to+125 DEG C of medicine temperature sensor measurement temperature range, it is desirable to which precision is 0.5 DEG C；
3. high-precision quartz crystal temperature effect detector, medicine temperature sensor signal cross box are 220V, the power supply of 50HZ power supplys；
4. host computer procedure is operated on industrial computer and its compatible, practical WINDOWS operating systems；
Some function display interface signals that can be designed on host computer are described below.
A) viewing area, key zone
First interface：Main interface, left side are display, and right side is key zone, share 8 buttons, are to fill in sequence respectively Number button, start button, measurement button, button, file saving button are set, inquiry button, print button, exit button, this 8 Individual button is used for selecting corresponding function；Meanwhile there is the function of real-time display temperature data in main frame face；
Second contact surface：Interface is set, and input sets password, sets temperature sensors of high precision serial port, 12 tunnel temperature to pass Three sensor serial port, allowable error amounts；
3rd interface：Temperature selection interface, there is 4 buttons, respectively high temperature, medium temperature, low temperature, exit, the interface is used for Select measurement temperature scope such as Fig. 6；
4th interface：Interface is preserved, the product serial number information for having tester, detection date and 12 medicine temperature sensors, one Individual saving button, a cancellation button；
5th interface：Query interface, it is mainly used to inquire about the data to preserve, such as Fig. 8；
6th interface：Interface is printed, is mainly used to print the quality certification, viewing area is Print Preview, has printing, cancels two Button.
B) measurement system interface
Temperature sensor signal cross box has 12 three core interfaces to connect 12 medicine temperature sensors, a nine kinds of needles RS232 string Mouth connection host computer；One nine kinds of needles RS232 serial ports connection host computer of high-precision quartz crystal temperature effect tester.
In some optional examples, host computer can also set diversified interface display function, for example, support inquiry, Record, printing etc..
Therefore, according to the improvement of the present invention and openly, it is also proposed that a kind of check and evaluation method of multichannel medicine temperature sensor, Including：
Multichannel medicine temperature sensor measures in three high temperature, medium temperature, low temperature temperature sections in respective temperature section respectively, Obtain the temperature signal of multigroup measurement；
Aforementioned temperature signal is sent to via after temperature sensor signal cross box progress signal transacting by data-interface Host computer；
High-precision quartz crystal temperature effect measuring instrument while collecting temperature information output temperature signal are simultaneously transferred to host computer；
Host computer is by the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument Contrasted, carry out the check and evaluation of multichannel medicine temperature sensor, specifically include：
First, according to multichannel medicine temperature sensor respectively in three high temperature, medium temperature, low temperature temperature sections in respective temperature section The temperature signal of multigroup measurement is carried out, compared with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, is obtained multigroup Error amount；
Then, the allowable error for whether having any one grouping error to exceed setting in more set of error values is judged, if then straight Connect and judge multichannel medicine temperature sensor to be unqualified, if the further progress error evaluation without if, including：
1) obtain assessing parameter according to the following equation：
Wherein, σ1Parameter, σ are assessed for high temperature2Parameter, σ are assessed for medium temperature3Parameter, t are assessed for low temperature1i、t2i、t3iRespectively The obtained temperature value of different temperatures is measured in three high temperature, medium temperature, low temperature temperature sections for multichannel medicine temperature sensor；u1i、 u2i、u3iHigh accuracy under high temperature that respectively high-precision quartz crystal detector correspondingly measures, medium temperature, low temperature different temperatures Temperature value；N1、N2、N3The number respectively measured in high temperature, medium temperature, cryogenic temperature section；
2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner：
Wherein, ω1、ω2、ω3Respectively high temperature, medium temperature, weights corresponding to low temperature, ω1+ω2+ω3=1,0.15<ω1、 ω2、ω3<0.7；
3) according to obtained net assessment parameter and the assessment parameter σ of setting comparison, multichannel medicine temperature sensor is determined Detection：If net assessment parameterLess than the assessment parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise sentence It is set to unqualified.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.Skill belonging to the present invention Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause This, the scope of protection of the present invention is defined by those of the claims.

Claims (5)

  1. A kind of 1. check and evaluation system of multichannel medicine temperature sensor, it is characterised in that including：
    Multichannel medicine temperature sensor, temperature sensor signal cross box, high-precision quartz crystal temperature effect measuring instrument and upper unit Into host computer is provided with processor and memory, and memory is used to store the data used by processor and program assembly；
    Multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and is carried out via temperature sensor signal cross box Host computer, foregoing high-precision quartz crystal temperature effect measuring instrument while collecting temperature are sent to by data-interface after signal transacting Information output temperature signal is simultaneously transferred to host computer, and host computer is brilliant by the temperature signal of multichannel medicine temperature sensor and high-precision quartz The temperature signal of temperature measuring instrument is contrasted, and carries out the check and evaluation of multichannel medicine temperature sensor, wherein, the host computer Processor is configured to following to the progress of multichannel medicine temperature sensor using the program assembly in memory and aforementioned temperature signal Check and evaluation：
    First, carried out respectively in three high temperature, medium temperature, low temperature temperature sections in respective temperature section according to multichannel medicine temperature sensor The temperature signal of multigroup measurement, compared with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain more grouping errors Value；
    Then, the allowable error for whether having any one grouping error to exceed setting in more set of error values is judged, if then directly sentencing Multichannel medicine temperature sensor is determined to be unqualified, if the further progress error evaluation without if, including：
    1) obtain assessing parameter according to the following equation：
    <mrow> <msub> <mi>&amp;sigma;</mi> <mn>1</mn> </msub> <mo>=</mo> <msqrt> <mrow> <mfrac> <mn>1</mn> <msub> <mi>N</mi> <mn>1</mn> </msub> </mfrac> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <msub> <mi>N</mi> <mn>1</mn> </msub> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>t</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>u</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>
    <mrow> <msub> <mi>&amp;sigma;</mi> <mn>2</mn> </msub> <mo>=</mo> <msqrt> <mrow> <mfrac> <mn>1</mn> <msub> <mi>N</mi> <mn>2</mn> </msub> </mfrac> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <msub> <mi>N</mi> <mn>2</mn> </msub> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>t</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>u</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>
    <mrow> <msub> <mi>&amp;sigma;</mi> <mn>3</mn> </msub> <mo>=</mo> <msqrt> <mrow> <mfrac> <mn>1</mn> <msub> <mi>N</mi> <mn>3</mn> </msub> </mfrac> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <msub> <mi>N</mi> <mn>3</mn> </msub> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>t</mi> <mrow> <mn>3</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>u</mi> <mrow> <mn>3</mn> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>
    Wherein, σ1Parameter, σ are assessed for high temperature2Parameter, σ are assessed for medium temperature3Parameter, t are assessed for low temperature1i、t2i、t3iIt is respectively more Road medicine temperature sensor measures the temperature value of obtained different temperatures in three high temperature, medium temperature, low temperature temperature sections；u1i、u2i、u3i High precision temp angle value under high temperature that respectively high-precision quartz crystal detector correspondingly measures, medium temperature, low temperature different temperatures； N1、N2、N3The number respectively measured in high temperature, medium temperature, cryogenic temperature section；
    2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner：
    <mrow> <mover> <mi>&amp;sigma;</mi> <mo>&amp;OverBar;</mo> </mover> <mo>=</mo> <msub> <mi>&amp;omega;</mi> <mn>1</mn> </msub> <msub> <mi>&amp;sigma;</mi> <mn>1</mn> </msub> <mo>+</mo> <msub> <mi>&amp;omega;</mi> <mn>2</mn> </msub> <msub> <mi>&amp;sigma;</mi> <mn>2</mn> </msub> <mo>+</mo> <msub> <mi>&amp;omega;</mi> <mn>3</mn> </msub> <msub> <mi>&amp;sigma;</mi> <mn>3</mn> </msub> </mrow>
    Wherein, ω1、ω2、ω3Respectively high temperature, medium temperature, weights corresponding to low temperature, ω1+ω2+ω3=1,0.15<ω1、ω2、 ω3<0.7；
    3) according to obtained net assessment parameter and the assessment parameter σ of setting comparison, the detection of multichannel medicine temperature sensor is determined： If net assessment parameterLess than the assessment parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, be otherwise determined as not It is qualified.
  2. 2. the check and evaluation system of multichannel medicine temperature sensor according to claim 1, it is characterised in that the temperature passes Sensor signal cross box and high-precision quartz crystal temperature effect measuring instrument transmit data by serial ports to host computer.
  3. 3. the check and evaluation system of multichannel medicine temperature sensor according to claim 1, it is characterised in that described to allow to miss Difference and assessment parameter σ are preset all in accordance with multichannel medicine temperature sensor to be detected in the host computer.
  4. 4. the check and evaluation system of multichannel medicine temperature sensor according to claim 1, it is characterised in that described temperature There is an aviation plug to be used to be connected to receive the temperature signal of collection with multichannel medicine temperature sensor in sensor signal cross box, Also there is a STC89C52RC chips decoding is carried out to temperature signal and be converted into decadic signaling, and pass through RS232 serial ports by temperature Degree signal is sent to host computer.
  5. 5. a kind of check and evaluation system of multichannel medicine temperature sensor according to claim 1 is come the multichannel medicine temperature realized The check and evaluation method of sensor, it is characterised in that comprise the following steps：
    Multichannel medicine temperature sensor measures in three high temperature, medium temperature, low temperature temperature sections in respective temperature section respectively, obtains The temperature signal of multigroup measurement；
    Aforementioned temperature signal is upper via being sent to after temperature sensor signal cross box progress signal transacting by data-interface Machine；
    High-precision quartz crystal temperature effect measuring instrument while collecting temperature information output temperature signal are simultaneously transferred to host computer；
    Host computer carries out the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument Contrast, the check and evaluation of multichannel medicine temperature sensor is carried out, is specifically included：
    First, carried out respectively in three high temperature, medium temperature, low temperature temperature sections in respective temperature section according to multichannel medicine temperature sensor The temperature signal of multigroup measurement, compared with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain more grouping errors Value；
    Then, the allowable error for whether having any one grouping error to exceed setting in more set of error values is judged, if then directly sentencing Multichannel medicine temperature sensor is determined to be unqualified, if the further progress error evaluation without if, including：
    1) obtain assessing parameter according to the following equation：
    <mrow> <msub> <mi>&amp;sigma;</mi> <mn>1</mn> </msub> <mo>=</mo> <msqrt> <mrow> <mfrac> <mn>1</mn> <msub> <mi>N</mi> <mn>1</mn> </msub> </mfrac> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <msub> <mi>N</mi> <mn>1</mn> </msub> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>t</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>u</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>
    <mrow> <msub> <mi>&amp;sigma;</mi> <mn>2</mn> </msub> <mo>=</mo> <msqrt> <mrow> <mfrac> <mn>1</mn> <msub> <mi>N</mi> <mn>2</mn> </msub> </mfrac> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <msub> <mi>N</mi> <mn>2</mn> </msub> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>t</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>u</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>
    <mrow> <msub> <mi>&amp;sigma;</mi> <mn>3</mn> </msub> <mo>=</mo> <msqrt> <mrow> <mfrac> <mn>1</mn> <msub> <mi>N</mi> <mn>3</mn> </msub> </mfrac> <munderover> <mo>&amp;Sigma;</mo> <mn>1</mn> <msub> <mi>N</mi> <mn>3</mn> </msub> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>t</mi> <mrow> <mn>3</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>u</mi> <mrow> <mn>3</mn> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msqrt> </mrow>
    Wherein, σ1Parameter, σ are assessed for high temperature2Parameter, σ are assessed for medium temperature3Parameter, t are assessed for low temperature1i、t2i、t3iIt is respectively more Road medicine temperature sensor measures the temperature value of obtained different temperatures in three high temperature, medium temperature, low temperature temperature sections；u1i、u2i、u3i High precision temp angle value under high temperature that respectively high-precision quartz crystal detector correspondingly measures, medium temperature, low temperature different temperatures； N1、N2、N3The number respectively measured in high temperature, medium temperature, cryogenic temperature section；
    2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner：
    <mrow> <mover> <mi>&amp;sigma;</mi> <mo>&amp;OverBar;</mo> </mover> <mo>=</mo> <msub> <mi>&amp;omega;</mi> <mn>1</mn> </msub> <msub> <mi>&amp;sigma;</mi> <mn>1</mn> </msub> <mo>+</mo> <msub> <mi>&amp;omega;</mi> <mn>2</mn> </msub> <msub> <mi>&amp;sigma;</mi> <mn>2</mn> </msub> <mo>+</mo> <msub> <mi>&amp;omega;</mi> <mn>3</mn> </msub> <msub> <mi>&amp;sigma;</mi> <mn>3</mn> </msub> </mrow>
    Wherein, ω1、ω2、ω3Respectively high temperature, medium temperature, weights corresponding to low temperature, ω1+ω2+ω3=1,0.15<ω1、ω2、 ω3<0.7；
    3) according to obtained net assessment parameter and the assessment parameter σ of setting comparison, the detection of multichannel medicine temperature sensor is determined： If net assessment parameterLess than the assessment parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, be otherwise determined as not It is qualified.
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CN202614415U (en) * 2012-04-19 2012-12-19 中国人民解放军63961部队 Detection apparatus of temperature sensor
CN103542958A (en) * 2012-07-09 2014-01-29 阿自倍尔株式会社 Temperature distribution detecting device and method
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