CN105403328A - Detection and evaluation system and method of multichannel ammunition temperature sensor - Google Patents

Abstract

The invention provides a detection and evaluation system of a multichannel ammunition temperature sensor. The system comprises the multichannel ammunition temperature sensor, a temperature sensor signal conversion box, a high-precision quartz crystal temperature measuring instrument, and a host computer, the host computer is provided with a processor and a memory, the memory is used for storing data employed by the processor and program assemblies, the multichannel ammunition temperature sensor is used for acquiring temperature information output temperature signals, processing the signals via the temperature sensor signal conversion box, and sending the processed signals to the host computer via a data interface, the high-precision quartz crystal temperature measuring instrument is used for acquiring the temperature information output temperature signals and transmitting the signals to the host computer, and the host computer is used for comparing the temperature signals of the multichannel ammunition temperature sensor and the temperature signals of the high-precision quartz crystal temperature measuring instrument and performing detection and evaluation of the multichannel ammunition temperature sensor.

Description

The check and evaluation System and method for of hyperchannel medicine temperature sensor

Technical field

The present invention relates to the detection field of temperature sensor, in particular to a kind of check and evaluation System and method for of hyperchannel medicine temperature sensor.

Background technology

Powerful along with China's military power, more and more higher to the accuracy requirement of weapon, the drop point of shell is more and more accurate, and temperature when ammunition is launched can affect fire accuracy, and ammunition is also very strict to the requirement of temperature in storage, transportation simultaneously.Therefore, the quality of the medicine temperature sensor measuring ammunition temperature is had higher requirements, must detect the measuring error of medicine temperature sensor, thus qualified medicine temperature sensor is used for measure ammunition temperature, to ensure the safety of fire accuracy and storage of ammunition, transport.

Realize the detection to temperature sensor measurement error, more high-precision temperature sensor will be used and compare as standard.Detect high-precision temperature at present and mostly all apply platinum resistance temperature sensor, platinum resistance temperature sensor measuring accuracy is high, but long-time stability are poor, recalibrates with regard to needs with after a period of time.

Summary of the invention

The object of the invention is the check and evaluation system providing a kind of hyperchannel medicine temperature sensor, and realize the Real-Time Monitoring of multi way temperature, temperature sensor error-detecting, error evaluation, whether automatic decision medicine temperature sensor is qualified.

Above-mentioned purpose of the present invention is realized by the technical characteristic of independent claims, and dependent claims develops the technical characteristic of independent claims with alternative or favourable mode.

For reaching above-mentioned purpose, the present invention proposes a kind of check and evaluation system of hyperchannel medicine temperature sensor, comprising:

Multichannel medicine temperature sensor, temperature sensor signal transfer trunk, high-precision quartz crystal temperature effect measuring instrument and host computer form, and host computer is provided with processor and storer, and storer is for storing the data and program assembly that are used by processor;

Multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and be sent to host computer by data-interface after carrying out signal transacting via temperature sensor signal transfer trunk, collecting temperature information output temperature signal while of aforesaid high-precision quartz crystal temperature effect measuring instrument is also transferred to host computer, the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument contrasts by host computer, carry out the check and evaluation of multichannel medicine temperature sensor, wherein, the processor of described host computer is configured to use the program assembly in storer and aforementioned temperature signal to carry out following check and evaluation to multichannel medicine temperature sensor:

First, according to the temperature signal carrying out many group measurements in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, compare with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain many set of error values;

Then, judge in many set of error values, whether have any grouping error to exceed the permissible error of setting, if had, directly judge that multichannel medicine temperature sensor is as defective, if not, carry out error evaluation further, comprising:

1) evaluate parameter is obtained according to the following equation:

${\mathrm{\σ}}_1=\sqrt{\frac{1}{N_1}\underset{1}{\overset{N_1}{\Σ}}{(t_{1i}-u_{1i})}^2}$

${\mathrm{\σ}}_2=\sqrt{\frac{1}{N_2}\underset{1}{\overset{N_2}{\Σ}}{(t_{2i}-u_{2i})}^2}$

${\mathrm{\σ}}_3=\sqrt{\frac{1}{N_3}\underset{1}{\overset{N_3}{\Σ}}{(t_{3i}-u_{3i})}^2}$

Wherein, σ ₁for high temperature evaluate parameter, σ ₂for middle temperature evaluate parameter, σ ₃for low temperature evaluate parameter, t _1i, t _2i, t _3ibe respectively the temperature value that multichannel medicine temperature sensor measures the different temperatures obtained in high temperature, middle temperature, low temperature three temperature sections; u _1i, u _2i, u _3ibe respectively the high temperature that high-precision quartz crystal detector correspondence measures, middle temperature, high precision temp angle value under low temperature different temperatures; N ₁, N ₂, N ₃be respectively the number of times measured in high temperature, middle temperature, cryogenic temperature section;

2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner:

$\stackrel{\‾}{\mathrm{\σ}}={\mathrm{\ω}}_1{\mathrm{\σ}}_1+{\mathrm{\ω}}_2{\mathrm{\σ}}_2+{\mathrm{\ω}}_3{\mathrm{\σ}}_3$

Wherein, ω ₁, ω ₂, ω ₃be respectively high temperature, middle temperature, weights that low temperature is corresponding, ω ₁+ ω ₂+ ω ₃=1,0.15< ω ₁, ω 2, ω 3<0.7;

3) according to the comparison of the evaluate parameter σ of the net assessment parameter that obtains and setting, the detection of multichannel medicine temperature sensor is determined: if net assessment parameter be less than the evaluate parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise be judged to be defective.

In further example, described temperature sensor signal transfer trunk and high-precision quartz crystal temperature effect measuring instrument all transmit data by serial ports to host computer.

In further embodiment, described permissible error and evaluate parameter σ all preset in described host computer according to multichannel medicine temperature sensor to be detected.

In further embodiment, the measurement range of described multichannel medicine temperature sensor is-55 DEG C to+125 DEG C, and the division of its high temperature, middle temperature, low temperature three temperature sections is as follows:

High temperature: 65 DEG C to 125 DEG C; Middle temperature: 5 DEG C to 65 DEG C; Low temperature :-55 DEG C to 5 DEG C.

In further example, there is an aviation plug for being connected to receive the temperature signal gathered with multichannel medicine temperature sensor in described temperature sensor signal transfer trunk, also there is a STC89C52RC chip carry out decoding to temperature signal and convert decadic signaling to, and through RS232 serial ports, temperature signal is sent to host computer.

According to improvement of the present invention, also propose a kind of check and evaluation method of hyperchannel medicine temperature sensor, comprising:

Measure in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, obtain the temperature signal that many groups are measured;

Aforementioned temperature signal is sent to host computer by data-interface after carrying out signal transacting via temperature sensor signal transfer trunk;

Collecting temperature information output temperature signal while of high-precision quartz crystal temperature effect measuring instrument is also transferred to host computer;

The temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument contrasts by host computer, carries out the check and evaluation of multichannel medicine temperature sensor, specifically comprises:

First, according to the temperature signal carrying out many group measurements in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, compare with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain many set of error values;

Then, judge in many set of error values, whether have any grouping error to exceed the permissible error of setting, if had, directly judge that multichannel medicine temperature sensor is as defective, if not, carry out error evaluation further, comprising:

1) evaluate parameter is obtained according to the following equation:

${\mathrm{\&sigma;}}_1=\sqrt{\frac{1}{N_1}\underset{1}{\overset{N_1}{\&Sigma;}}{(t_{1i}-u_{1i})}^2}$

${\mathrm{\&sigma;}}_2=\sqrt{\frac{1}{N_2}\underset{1}{\overset{N_2}{\&Sigma;}}{(t_{2i}-u_{2i})}^2}$

${\mathrm{\&sigma;}}_3=\sqrt{\frac{1}{N_3}\underset{1}{\overset{N_3}{\&Sigma;}}{(t_{3i}-u_{3i})}^2}$

Wherein, σ ₁for high temperature evaluate parameter, σ ₂for middle temperature evaluate parameter, σ ₃for low temperature evaluate parameter, t _1i, t _2i, t _3ibe respectively the temperature value that multichannel medicine temperature sensor measures the different temperatures obtained in high temperature, middle temperature, low temperature three temperature sections; u _1i, u _2i, u _3ibe respectively the high temperature that high-precision quartz crystal detector correspondence measures, middle temperature, high precision temp angle value under low temperature different temperatures; N ₁, N ₂, N ₃be respectively the number of times measured in high temperature, middle temperature, cryogenic temperature section;

2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner:

$\stackrel{\&OverBar;}{\mathrm{\&sigma;}}={\mathrm{\&omega;}}_1{\mathrm{\&sigma;}}_1+{\mathrm{\&omega;}}_2{\mathrm{\&sigma;}}_2+{\mathrm{\&omega;}}_3{\mathrm{\&sigma;}}_3$

Wherein, ω ₁, ω ₂, ω ₃be respectively high temperature, middle temperature, weights that low temperature is corresponding, ω ₁+ ω ₂+ ω ₃=1,0.15< ω ₁, ω ₂, ω ₃<0.7;

3) according to the comparison of the evaluate parameter σ of the net assessment parameter that obtains and setting, the detection of multichannel medicine temperature sensor is determined: if net assessment parameter be less than the evaluate parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise be judged to be defective.

As long as should be appreciated that aforementioned concepts and all combinations of extra design described in further detail below can be regarded as a part for subject matter of the present disclosure when such design is not conflicting.In addition, all combinations of theme required for protection are all regarded as a part for subject matter of the present disclosure.

The foregoing and other aspect of the present invention's instruction, embodiment and feature can be understood by reference to the accompanying drawings from the following description more all sidedly.Feature and/or the beneficial effect of other additional aspect of the present invention such as illustrative embodiments will be obvious in the following description, or by learning in the practice of the embodiment according to the present invention's instruction.

Accompanying drawing explanation

Accompanying drawing is not intended to draw in proportion.In the accompanying drawings, each identical or approximately uniform ingredient illustrated in each figure can represent with identical label.For clarity, in each figure, not each ingredient is all labeled.Now, the embodiment of various aspects of the present invention also will be described with reference to accompanying drawing by example, wherein:

Fig. 1 is the schematic diagram of the check and evaluation system of hyperchannel medicine temperature sensor of the present invention.

Fig. 2 is the circuit theory diagrams of medicine temperature sensor signal transfer trunk of the present invention.

Fig. 3 is the process flow diagram of the check and evaluation method of hyperchannel medicine temperature sensor of the present invention.

Fig. 4 is the Operation system setting process flow diagram of the check and evaluation system of hyperchannel medicine temperature sensor of the present invention.

Fig. 5 is the collecting temperature signal flow graph of the check and evaluation system of hyperchannel medicine temperature sensor of the present invention.

Fig. 6 is the selection measuring tempeature scope interface of the check and evaluation system of hyperchannel medicine temperature sensor of the present invention.

Fig. 7 is the query function process flow diagram of the check and evaluation system of hyperchannel medicine temperature sensor of the present invention.

Fig. 8 is the file polling interface of the check and evaluation system of hyperchannel medicine temperature sensor of the present invention.

Embodiment

In order to more understand technology contents of the present invention, institute's accompanying drawings is coordinated to be described as follows especially exemplified by specific embodiment.

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.Embodiment of the present disclosure must not be intended to comprise all aspects of the present invention.Be to be understood that, multiple design presented hereinbefore and embodiment, and describe in more detail below those design and embodiment can in many ways in any one is implemented, this is because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, aspects more disclosed by the invention can be used alone, or otherwisely anyly appropriately combinedly to use with disclosed by the invention.

Shown in composition graphs 1,2, according to embodiments of the invention, a kind of check and evaluation system of hyperchannel medicine temperature sensor, comprise: multichannel medicine temperature sensor, temperature sensor signal transfer trunk, high-precision quartz crystal temperature effect measuring instrument and host computer form, wherein, host computer is provided with processor and storer, and storer is for storing the data and program assembly that are used by processor.

Composition graphs 1, multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and be sent to host computer by data-interface after carrying out signal transacting via temperature sensor signal transfer trunk, collecting temperature information output temperature signal while of aforesaid high-precision quartz crystal temperature effect measuring instrument is also transferred to host computer, the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument contrasts by host computer, carry out the check and evaluation of multichannel medicine temperature sensor, wherein, the processor of described host computer is configured to use the program assembly in storer and aforementioned temperature signal to carry out following check and evaluation to multichannel medicine temperature sensor:

First, according to the temperature signal carrying out many group measurements in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, compare with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain many set of error values;

Then, judge in many set of error values, whether have any grouping error to exceed the permissible error of setting, if had, directly judge that multichannel medicine temperature sensor is as defective, if not, carry out error evaluation further, comprising:

1) evaluate parameter is obtained according to the following equation:

${\mathrm{\&sigma;}}_1=\sqrt{\frac{1}{N_1}\underset{1}{\overset{N_1}{\&Sigma;}}{(t_{1i}-u_{1i})}^2}$

${\mathrm{\&sigma;}}_2=\sqrt{\frac{1}{N_2}\underset{1}{\overset{N_2}{\&Sigma;}}{(t_{2i}-u_{2i})}^2}$

${\mathrm{\&sigma;}}_3=\sqrt{\frac{1}{N_3}\underset{1}{\overset{N_3}{\&Sigma;}}{(t_{3i}-u_{3i})}^2}$

Wherein, σ ₁for high temperature evaluate parameter, σ ₂for middle temperature evaluate parameter, σ ₃for low temperature evaluate parameter, t _1i, t _2i, t _3ibe respectively the temperature value that multichannel medicine temperature sensor measures the different temperatures obtained in high temperature, middle temperature, low temperature three temperature sections; u _1i, u _2i, u _3ibe respectively the high temperature that high-precision quartz crystal detector correspondence measures, middle temperature, high precision temp angle value under low temperature different temperatures; N ₁, N ₂, N ₃be respectively the number of times measured in high temperature, middle temperature, cryogenic temperature section;

2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner:

$\stackrel{\&OverBar;}{\mathrm{\&sigma;}}={\mathrm{\&omega;}}_1{\mathrm{\&sigma;}}_1+{\mathrm{\&omega;}}_2{\mathrm{\&sigma;}}_2+{\mathrm{\&omega;}}_3{\mathrm{\&sigma;}}_3$

Wherein, ω ₁, ω ₂, ω ₃be respectively high temperature, middle temperature, weights that low temperature is corresponding, ω ₁+ ω ₂+ ω ₃=1,0.15< ω ₁, ω ₂, ω ₃<0.7;

3) according to the comparison of the evaluate parameter σ of the net assessment parameter that obtains and setting, the detection of multichannel medicine temperature sensor is determined: if net assessment parameter be less than the evaluate parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise be judged to be defective.

In some instances, described temperature sensor signal transfer trunk and high-precision quartz crystal temperature effect measuring instrument all transmit data by serial ports to host computer.

In some instances, described permissible error and evaluate parameter σ all preset in described host computer according to multichannel medicine temperature sensor to be detected.

In some instances, the measurement range of described multichannel medicine temperature sensor is-55 DEG C to+125 DEG C, and the division of its high temperature, middle temperature, low temperature three temperature sections is as follows:

High temperature: 65 DEG C to 125 DEG C; Middle temperature: 5 DEG C to 65 DEG C; Low temperature :-55 DEG C to 5 DEG C.

There is an aviation plug for being connected to receive the temperature signal gathered with multichannel medicine temperature sensor in described temperature sensor signal transfer trunk, also there is a STC89C52RC chip carry out decoding to temperature signal and convert decadic signaling to, and through RS232 serial ports, temperature signal is sent to host computer.

Shown in composition graphs 2, the temperature sensor signal transfer trunk of the check and evaluation system of the hyperchannel medicine temperature sensor of previous embodiment, its major function is collection multichannel medicine temperature sensor signal and temperature signal is passed to host computer by the logical serial ports of decoding; Have 12 three core aviation plugs after temperature sensor signal transfer trunk, connect 12 medicine temperature sensors respectively, 1 pin, the 3 pin administration temperature sensors of aviation plug are powered, and 1 pin is GND, and 3 pin are VCC; Also have a nine kinds of needles RS232 serial ports after data line (unibus) the temperature sensor signal transfer trunk that 2 pin of aviation plug connect medicine temperature sensor, the temperature data that 12 road medicine temperature sensors record is sent to host computer by this serial ports.The built-in 5V Switching Power Supply of temperature sensor signal transfer trunk is powered.Major control chip is STC89C52RC, and internal circuit is as Fig. 2.

The 40 pin P1.0 of chip STC89C52RC [U1] meet 2 pin N1 of first 3 core plug [J1], the 41 pin P1.1 of chip STC89C52RC [U1] meet 2 pin N2 of second 3 core plug [J2], the 42 pin P1.2 of chip STC89C52RC [U1] meet 2 pin N3 of the 3rd 3 core plug [J3], the 43 pin P1.3 of STC89C52RC [U1] meet 2 pin N4 of the 4th 3 core plug [J4], the 44 pin P1.4 of chip STC89C52RC [U1] meet 2 pin N5 of the 5th 3 core plug [J5], the 1 pin P1.5 of chip STC89C52RC [U1] meets 2 pin N6 of the 6th 3 core plug [J6], the 2 pin P1.6 of chip STC89C52RC [U1] meet 2 pin N7 of the 7th 3 core plug [J7], the 3 pin P1.7 of chip STC89C52RC [U1] meet 2 pin N8 of the 8th 3 core plug [J8], the 18 pin P2.0 of chip STC89C52RC [U1] meet 2 pin N9 of the 9th 3 core plug [J9], the 19 pin P2.1 of chip STC89C52RC [U1] meet 2 pin N10 of the tenth 3 core plug [J10], the 20 pin P2.2 of chip STC89C52RC [U1] meet 2 pin N11 of the 11 3 core plug [J11], the 21 pin P2.3 of chip STC89C52RC [U1] meet 2 pin N12 of the 12 3 core plug [J12], 2 pin that the 5 pin P3.0 of chip STC89C52RC [U1] connect the 15 core plug [TTL] meet the 12 pin R1OUT of chip MAX232 [U2], 3 pin that the 7 pin P3.1 of chip STC89C52RC [U1] connect the 15 core plug [TTL] meet the 11 pin T1IN of chip MAX232 [U2], the 15 pin XTAL1 of chip STC89C52RC [U1] connect crystal oscillator [Y1] and connect the 6th electric capacity [C6], the 14 pin XTAL2 of chip STC89C52RC [U1] connect crystal oscillator [Y1] and connect the 6th electric capacity [C7], the 38 pin VCC of chip STC89C52RC [U1] meet 1 pin VCC of the 13 core plug [POWER], the 5 pin RST that the 16 pin GND of chip STC89C52RC [U1] connect 2 pin GND chips STC89C52RC [U1] of the 13 core plug [POWER] connect the first resistance [R1] and connect the second resistance [R2] and connect the second electric capacity [C8], 1,3 pin of chip MAX232 [U2] connect the first electric capacity [C1] two ends, 4,5 pin of chip MAX232 [U2] connect the second electric capacity [C2] two ends, 6 pin of chip MAX232 [U2] connect the 3rd electric capacity [C3], 2 pin of chip MAX232 [U2] connect the 4th electric capacity [C4], 16 pin of chip MAX232 [U2] meet the 1 pin VCC that the 5th electric capacity [C5] connects the 13 core plug [POWER], and 15 pin of chip MAX232 [U2] meet the 2 pin GND that the 5th electric capacity [C5] connects the 13 core plug [POWER], one 3 core plug [J1], 23 core plug [J2], 33 core plug [J3], 43 core plug [J4], 53 core plug [J5], 63 core plug [J6], 73 core plug [J7], 83 core plug [J8], 93 core plug [J9], 10 core plug [J10], 11 core plug [J11], 1 pin of the 12 core plug [J12] meets GND, one 3 core plug [J1], 23 core plug [J2], 33 core plug [J3], 43 core plug [J4], 53 core plug [J5], 63 core plug [J6], 73 core plug [J7], 83 core plug [J8], 93 core plug [J9], 10 core plug [J10], 11 core plug [J11], 3 pin of the 12 core plug [J12] meet VCC.

12 three, top core joint J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12 jointing temp sensor signal transfer trunk casing 12 three core aviation plugs below respectively; 1 pin, 2 pin of two core joint POWER connect Switching Power Supply+5V, GND output terminal respectively, power to circuit board; Three core joint COM connect temperature sensor signal transfer trunk casing nine kinds of needles joint below, 1 pin of three core joint COM meets the 2nd pin OUT of nine kinds of needles joint, 2 pin of three core joint COM meet the 3rd pin IN of nine kinds of needles joint, and 3 pin of three core joint COM meet the 5th pin GND of nine kinds of needles joint; Four-core joint TTL connects downloader, and be used for STC89C52RC chip programming program, 1 pin of four-core joint TTL connects+5V power supply, and 4 pin of four-core joint TTL meet GND, and 2 pin of four-core joint TTL, 3 pin connect the data line of lower device; Button key is reset key, and after pressing, program is run from beginning.

In conjunction with aforesaid explanation, conduct further description for the check and evaluation of 12 road medicine temperature sensors below.

Composition graphs 1, Fig. 3, temperature signal is passed to temperature sensor signal detection case by the form of unibus by 12 road medicine temperature sensors, and temperature sensor signal detection case reads 12 road temperature datas and to decoding data, then 12 circuit-switched data is sent to host computer; Temperature simultaneously under high-precision quartz crystal detector detection equivalent environment, and high precision temp degrees of data is passed to host computer by serial ports.Temperature value and error amount to receiving data that 12 road medicine temperature sensors record and the carrying out that high-precision quartz crystal detector records processes, and are presented on main interface by host computer.Same group of medicine temperature sensor will measure high temperature, middle temperature, low temperature three temperature ranges respectively.The measuring error of high temperature, middle temperature, low temperature is all no more than specification error and assert that product is qualified, otherwise product is defective.

Composition graphs 3, specifically, the concrete operation step of the check and evaluation system of the hyperchannel medicine temperature sensor in this example is as follows: will carry out the setting of communication serial ports and the setting of permissible error before opening main interface level measurement.As Fig. 4, click and arrange button and enter and arrange interface, input password (as: 123456) is carried out temperature sensors of high precision serial ports number and is arranged, and 12 road medicine temperature sensor serial ports number are arranged, and permissible error is arranged.Next step starts measuring tempeature data, click the scope (high temperature, middle temperature or low temperature) that the start button thermal creep stress dialog box ejected as Fig. 6 selects measured temperature, the now data that record in real time of main interface display, etc. click measurement button after data stabilization, this group data are temporarily preserved, carry out the temperature survey of next temperature section again, until by high temperature, middle temperature, low temperature three temperature section data, complete temperature acquisition.File button is preserved in following click, checks whether production code member and tester fill in complete click save button and complete preservation.

The query function introduction of the check and evaluation system based on hyperchannel medicine temperature sensor designed by composition graphs 7, Fig. 8 the present invention.Click inquire button, eject inquiry session frame (as Fig. 8), the particular number of the medicine temperature sensor that will inquire about is inputted in production code member, click and start to inquire about the time and the gauger that just there will be this temperature sensor measurement in the form of right side, the number of times that production code member suffix _ 100, _ 101 expressions are measured, _ 100 represent the data that first time measures, and _ 101 represent the data measured for the second time, add up successively.Choose the row that will check in the table, click the data determining the sensor that can eject reference numeral.Click print button and can eject Print Preview dialog box, click and determined printing function.In printing conformity certification pattern, conformity certification content comprises the temperature evaluation coefficient of high temperature, middle temperature, low temperature three temperature sections, the Qualification of temperature sensors of high precision measured temperature and 12 road medicine temperature sensors.

In some instances, the association attributes of the check and evaluation system of hyperchannel medicine temperature sensor is exemplary as follows:

1. high-precision quartz crystal temperature effect sensor measurement scope-55 DEG C to+130 DEG C, gamut measuring accuracy <0.05 DEG C;

2. medicine temperature sensor measurement temperature range-55 DEG C to+125 DEG C, precision prescribed is 0.5 DEG C;

3. high-precision quartz crystal temperature effect detector, medicine temperature sensor signal transfer trunk are 220V, 50HZ Power supply;

4. host computer procedure operates on industrial computer and compatible thereof, practical WINDOWS operating system;

Introduce the Fumction display interface signal that some can design on host computer below.

A) viewing area, key zone

First interface: main interface, left side is display, and right side is key zone, has 8 buttons, be respectively fill in sequence number button, start button, measure button, button be set, file preserves button, inquiry button, printing button, exits button, these 8 buttons are used for selecting corresponding function; Meanwhile, there is the function of real-time displays temperature data in main frame face;

Second contact surface: interface is set, input arranges password, arranges temperature sensors of high precision serial ports number, No. 12 temperature sensor serial ports number, permissible error three amount;

, there are 4 buttons at 3rd interface: thermal creep stress interface, is respectively high temperature, middle temperature, low temperature, exits, and this interface is used for selecting measuring tempeature scope as Fig. 6;

, there is tester at 4th interface: preserve interface, detects the product serial number information of date and 12 medicine temperature sensors, preserve button for one, cancel button for one;

5th interface: query interface, is mainly used to inquire about the data to preserve, as Fig. 8;

6th interface: print interface, be mainly used to print conformity certification, viewing area is Print Preview, has printing, cancels two buttons.

B) measurement system interface

Temperature sensor signal transfer trunk has 12 three core interfaces to connect 12 medicine temperature sensors, and a nine kinds of needles RS232 serial ports connects host computer; High-precision quartz crystal temperature effect tester nine kinds of needles RS232 serial ports connects host computer.

In some optional examples, host computer can also arrange diversified interface display function, such as, support inquiry, record, printing etc.

Therefore, according to improvement of the present invention and open, also propose a kind of check and evaluation method of hyperchannel medicine temperature sensor, comprising:

Measure in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, obtain the temperature signal that many groups are measured;

Aforementioned temperature signal is sent to host computer by data-interface after carrying out signal transacting via temperature sensor signal transfer trunk;

Collecting temperature information output temperature signal while of high-precision quartz crystal temperature effect measuring instrument is also transferred to host computer;

The temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument contrasts by host computer, carries out the check and evaluation of multichannel medicine temperature sensor, specifically comprises:

First, according to the temperature signal carrying out many group measurements in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, compare with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain many set of error values;

Then, judge in many set of error values, whether have any grouping error to exceed the permissible error of setting, if had, directly judge that multichannel medicine temperature sensor is as defective, if not, carry out error evaluation further, comprising:

1) evaluate parameter is obtained according to the following equation:

${\mathrm{\&sigma;}}_1=\sqrt{\frac{1}{N_1}\underset{1}{\overset{N_1}{\&Sigma;}}{(t_{1i}-u_{1i})}^2}$

${\mathrm{\&sigma;}}_2=\sqrt{\frac{1}{N_2}\underset{1}{\overset{N_2}{\&Sigma;}}{(t_{2i}-u_{2i})}^2}$

${\mathrm{\&sigma;}}_3=\sqrt{\frac{1}{N_3}\underset{1}{\overset{N_3}{\&Sigma;}}{(t_{3i}-u_{3i})}^2}$

Wherein, σ ₁for high temperature evaluate parameter, σ ₂for middle temperature evaluate parameter, σ ₃for low temperature evaluate parameter, t _1i, t _2i, t _3ibe respectively the temperature value that multichannel medicine temperature sensor measures the different temperatures obtained in high temperature, middle temperature, low temperature three temperature sections; u _1i, u _2i, u _3ibe respectively the high temperature that high-precision quartz crystal detector correspondence measures, middle temperature, high precision temp angle value under low temperature different temperatures; N ₁, N ₂, N ₃be respectively the number of times measured in high temperature, middle temperature, cryogenic temperature section;

2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner:

$\stackrel{\&OverBar;}{\mathrm{\&sigma;}}={\mathrm{\&omega;}}_1{\mathrm{\&sigma;}}_1+{\mathrm{\&omega;}}_2{\mathrm{\&sigma;}}_2+{\mathrm{\&omega;}}_3{\mathrm{\&sigma;}}_3$

Wherein, ω ₁, ω ₂, ω ₃be respectively high temperature, middle temperature, weights that low temperature is corresponding, ω ₁+ ω ₂+ ω ₃=1,0.15< ω ₁, ω ₂, ω ₃<0.7;

3) according to the comparison of the evaluate parameter σ of the net assessment parameter that obtains and setting, the detection of multichannel medicine temperature sensor is determined: if net assessment parameter be less than the evaluate parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise be judged to be defective.

Although the present invention with preferred embodiment disclose as above, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on those as defined in claim.

Claims (6)

1. a check and evaluation system for hyperchannel medicine temperature sensor, is characterized in that, comprising:

Multichannel medicine temperature sensor, temperature sensor signal transfer trunk, high-precision quartz crystal temperature effect measuring instrument and host computer form, and host computer is provided with processor and storer, and storer is for storing the data and program assembly that are used by processor;

Multichannel medicine temperature sensor is used for collecting temperature information output temperature signal, and be sent to host computer by data-interface after carrying out signal transacting via temperature sensor signal transfer trunk, collecting temperature information output temperature signal while of aforesaid high-precision quartz crystal temperature effect measuring instrument is also transferred to host computer, the temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument contrasts by host computer, carry out the check and evaluation of multichannel medicine temperature sensor, wherein, the processor of described host computer is configured to use the program assembly in storer and aforementioned temperature signal to carry out following check and evaluation to multichannel medicine temperature sensor:

First, according to the temperature signal carrying out many group measurements in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, compare with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain many set of error values;

Then, judge in many set of error values, whether have any grouping error to exceed the permissible error of setting, if had, directly judge that multichannel medicine temperature sensor is as defective, if not, carry out error evaluation further, comprising:

1) evaluate parameter is obtained according to the following equation:

${\mathrm{\&sigma;}}_1=\sqrt{\frac{1}{N_1}\underset{1}{\overset{N_1}{\&Sigma;}}{(t_{1i}-u_{1i})}^2}$

${\mathrm{\&sigma;}}_2=\sqrt{\frac{1}{N_2}\underset{1}{\overset{N_2}{\&Sigma;}}{(t_{2i}-u_{2i})}^2}$

${\mathrm{\&sigma;}}_3=\sqrt{\frac{1}{N_3}\underset{1}{\overset{N_3}{\&Sigma;}}{(t_{3i}-u_{3i})}^2}$

Wherein, σ ₁for high temperature evaluate parameter, σ ₂for middle temperature evaluate parameter, σ ₃for low temperature evaluate parameter, t _1i, t _2i, t _3ibe respectively the temperature value that multichannel medicine temperature sensor measures the different temperatures obtained in high temperature, middle temperature, low temperature three temperature sections; u _1i, u _2i, u _3ibe respectively the high temperature that high-precision quartz crystal detector correspondence measures, middle temperature, high precision temp angle value under low temperature different temperatures; N ₁, N ₂, N ₃be respectively the number of times measured in high temperature, middle temperature, cryogenic temperature section;

2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner:

$\stackrel{\&OverBar;}{\mathrm{\&sigma;}}={\mathrm{\&omega;}}_1{\mathrm{\&sigma;}}_1+{\mathrm{\&omega;}}_2{\mathrm{\&sigma;}}_2+{\mathrm{\&omega;}}_3{\mathrm{\&sigma;}}_3$

Wherein, ω ₁, ω ₂, ω ₃be respectively high temperature, middle temperature, weights that low temperature is corresponding, ω ₁+ ω ₂+ ω ₃=1,0.15< ω ₁, ω ₂, ω ₃<0.7;

3) according to the comparison of the evaluate parameter σ of the net assessment parameter that obtains and setting, the detection of multichannel medicine temperature sensor is determined: if net assessment parameter be less than the evaluate parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise be judged to be defective.

2. the check and evaluation system of hyperchannel medicine temperature sensor according to claim 1, is characterized in that, described temperature sensor signal transfer trunk and high-precision quartz crystal temperature effect measuring instrument all transmit data by serial ports to host computer.

3. the check and evaluation system of hyperchannel medicine temperature sensor according to claim 1, is characterized in that, described permissible error and evaluate parameter σ all preset in described host computer according to multichannel medicine temperature sensor to be detected.

4. according to the check and evaluation system of the hyperchannel medicine temperature sensor in claim 1-3 described in any one, it is characterized in that, the measurement range of described multichannel medicine temperature sensor is-55 DEG C to+125 DEG C, and the division of its high temperature, middle temperature, low temperature three temperature sections is as follows:

High temperature: 65 DEG C to 125 DEG C; Middle temperature: 5 DEG C to 65 DEG C; Low temperature :-55 DEG C to 5 DEG C.

5. the check and evaluation system of hyperchannel medicine temperature sensor according to claim 4, it is characterized in that, there is an aviation plug for being connected to receive the temperature signal gathered with multichannel medicine temperature sensor in described temperature sensor signal transfer trunk, also there is a STC89C52RC chip carry out decoding to temperature signal and convert decadic signaling to, and through RS232 serial ports, temperature signal is sent to host computer.

6. the check and evaluation method of hyperchannel medicine temperature sensor that realizes of the check and evaluation system of hyperchannel medicine temperature sensor according to claim 1, is characterized in that, comprise the following steps:

Measure in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, obtain the temperature signal that many groups are measured;

Aforementioned temperature signal is sent to host computer by data-interface after carrying out signal transacting via temperature sensor signal transfer trunk;

Collecting temperature information output temperature signal while of high-precision quartz crystal temperature effect measuring instrument is also transferred to host computer;

The temperature signal of the temperature signal of multichannel medicine temperature sensor and high-precision quartz crystal temperature effect measuring instrument contrasts by host computer, carries out the check and evaluation of multichannel medicine temperature sensor, specifically comprises:

First, according to the temperature signal carrying out many group measurements in the temperature section that multichannel medicine temperature sensor is respective in high temperature, middle temperature, low temperature three temperature sections respectively, compare with the temperature signal of high-precision quartz crystal temperature effect measuring instrument collection, obtain many set of error values;

Then, judge in many set of error values, whether have any grouping error to exceed the permissible error of setting, if had, directly judge that multichannel medicine temperature sensor is as defective, if not, carry out error evaluation further, comprising:

1) evaluate parameter is obtained according to the following equation:

${\mathrm{\&sigma;}}_1=\sqrt{\frac{1}{N_1}\underset{1}{\overset{N_1}{\&Sigma;}}{(t_{1i}-u_{1i})}^2}$

${\mathrm{\&sigma;}}_2=\sqrt{\frac{1}{N_2}\underset{1}{\overset{N_2}{\&Sigma;}}{(t_{2i}-u_{2i})}^2}$

${\mathrm{\&sigma;}}_3=\sqrt{\frac{1}{N_3}\underset{1}{\overset{N_3}{\&Sigma;}}{(t_{3i}-u_{3i})}^2}$

Wherein, σ ₁for high temperature evaluate parameter, σ ₂for middle temperature evaluate parameter, σ ₃for low temperature evaluate parameter, t _1i, t _2i, t _3ibe respectively the temperature value that multichannel medicine temperature sensor measures the different temperatures obtained in high temperature, middle temperature, low temperature three temperature sections; u _1i, u _2i, u _3ibe respectively the high temperature that high-precision quartz crystal detector correspondence measures, middle temperature, high precision temp angle value under low temperature different temperatures; N ₁, N ₂, N ₃be respectively the number of times measured in high temperature, middle temperature, cryogenic temperature section;

2) the net assessment parameter of multichannel medicine temperature sensor is obtained in the following manner:

$\stackrel{\&OverBar;}{\mathrm{\&sigma;}}={\mathrm{\&omega;}}_1{\mathrm{\&sigma;}}_1+{\mathrm{\&omega;}}_2{\mathrm{\&sigma;}}_2+{\mathrm{\&omega;}}_3{\mathrm{\&sigma;}}_3$

Wherein, ω ₁, ω ₂, ω ₃be respectively high temperature, middle temperature, weights that low temperature is corresponding, ω ₁+ ω ₂+ ω ₃=1,0.15< ω ₁, ω ₂, ω ₃<0.7;

3) according to the comparison of the evaluate parameter σ of the net assessment parameter that obtains and setting, the detection of multichannel medicine temperature sensor is determined: if net assessment parameter be less than the evaluate parameter σ of setting, then judge that this multichannel medicine temperature sensor is qualified, otherwise be judged to be defective.