CN206019877U - Temperature sensor multichannel resistance monitor station - Google Patents
Temperature sensor multichannel resistance monitor station Download PDFInfo
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- CN206019877U CN206019877U CN201621022000.2U CN201621022000U CN206019877U CN 206019877 U CN206019877 U CN 206019877U CN 201621022000 U CN201621022000 U CN 201621022000U CN 206019877 U CN206019877 U CN 206019877U
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- monitor station
- temperature sensor
- conversion unit
- keyboard
- detection
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Abstract
The utility model discloses a kind of temperature sensor multichannel resistance monitor station, the monitor station includes controller, AD conversion unit, keyboard ＆ display and indicating lamp module, the monitor station includes that controller is connected with AD conversion unit, keyboard display module respectively, and the AD conversion unit is connected with detector unit.The keyboard display module includes 8 Digital sum pipes and the setting for preset data, starts detection and 16 keyboard matrixs for stopping.The 8 Digital sum pipe includes 3 bit functions symbol and 5 data symbols.High-precision AD conversion chip of the AD conversion unit using multichannel 12.The indicating lamp module includes 24 luminous tubes whether qualified for showing the sensor of corresponding 24 Air conduct measurement units detection.The detector unit is provided with 3 groups, and every group of detector unit is provided with 8 passages.Through actually used, good with detection efficiency height, accuracy of detection, and reduce manually, meet the process requirements of manufacturer well.
Description
Technical field
This utility model belongs to sensor detecting field, and in particular to a kind of temperature sensor multichannel resistance detection
Platform.
Background technology
Temperature sensor is one of important sensor of automobile, motorcycle, it can by automobile, temperature of motorcycle motor or
Oil temperature is converted into resistance signal, by instrument according to the change of the resistance, is reacted to driver with eye-catching indicating mode, with anti-
Reflect the working condition of current automobile, motorcycle.Therefore temperature-the resistance characteristic of temperature sensor is for the real-time grasp vapour of driver
Car, motorcycle operation conditions have special importance.But in actual production process, due to the sensor in the fabrication process
There is certain discreteness, before motorcycle temperature sensor is dispatched from the factory, it is necessary to the temperature-resistance to the several key points of each product
Value characteristic carries out detection confirmation, to ensure product quality.Detection mode is that first sensor is placed in the temperature chamber of assigned temperature
Kept for a period of time, make the temperature of sensor consistent with the temperature of temperature chamber, then the resistance of measurement sensor, to determine the biography
Whether sensor is qualified in the resistance of the temperature spot, in measurement process, as sensor for temperature is sensitive, answers this requirement measurement electricity
Flowing to end may be little, and conduction time is as short as possible.In sum, in view of detection process complexity, detection time are long, on a production line
Manually it is difficult efficiently to complete such work.
Content of the invention
According to above the deficiencies in the prior art, technical problem to be solved in the utility model is to propose a kind of temperature sensing
Device multichannel resistance monitor station, a kind of can be with multi-way detecting automobile, the testing equipment of motorcycle temperature sensor resistance --- automobile,
Motorcycle temperature sensor critesistor monitor station, through actually used, good with detection efficiency height, accuracy of detection, and reduce
Manually, the process requirements of manufacturer are met well.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of many roadlocks of temperature sensor
Value monitor station, the monitor station include that controller, AD conversion unit, keyboard ＆ display and indicating lamp module, the monitor station include controlling
Device processed is connected with AD conversion unit, keyboard display module respectively, and the AD conversion unit is connected with detector unit.The keyboard shows
Show that module includes 8 Digital sum pipes and the setting for preset data, starts detection and 16 keyboard matrixs for stopping.8 digit
Code pipe includes 3 bit functions symbol and 5 data symbols.High-precision AD conversion chip of the AD conversion unit using multichannel 12.Described
Indicating lamp module includes 24 luminous tubes whether qualified for showing the sensor of corresponding 24 Air conduct measurement units detection.Described
Detector unit is provided with 3 groups, and every group of detector unit is provided with 8 passages.
A kind of detection method of temperature sensor multichannel resistance monitor station, the method are comprised the following steps：Step one, system
Initialized, controller receives sign on；Step 2, ON switch K measure loop are powered, and stablize 100 milliseconds；Step
3rd, continuously read the value of 5 temperature sensor voltage V1 to be measured and average；Step 4, calculate temperature sensor to be measured
Resistance value Rx；Step 5, judge whether temperature sensor to be measured is qualified, and corresponding LED is set；Step 6, cycle detection sheet
The temperature sensor to be measured of 8 passages of group detector unit；Step 7,3 groups of detector units of cycle detection.The step 4 is calculated
Resistance value Rx, is calculated by formula Rx=V1*R1/ (4096-V1).
This utility model beneficial effect is:This utility model one kind can be with multi-way detecting automobile, motorcycle temperature sensor
The testing equipment of resistance --- automobile, motorcycle temperature sensor critesistor monitor station, through actually used, with detection efficiency
High, accuracy of detection is good, and reduces manually, meets the process requirements of manufacturer well.
Description of the drawings
Below the content expressed by this specification accompanying drawing and the labelling in figure are briefly described：
Fig. 1 is the system architecture diagram of specific embodiment of the present utility model.
Fig. 2 is the testing process block diagram of specific embodiment of the present utility model.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is each as involved by
The shape of component, the mutual alignment between construction, each several part and annexation, the effect of each several part and operation principle, manufacture work
Skill and operate with method etc., are described in further detail, to help those skilled in the art to invention of the present utility model
Design, technical scheme have more complete, accurate and deep understanding.
A kind of temperature sensor multichannel resistance monitor station, the monitor station include controller, AD conversion unit, keyboard ＆ display and
Indicating lamp module, the monitor station include that controller is connected with AD conversion unit, keyboard display module respectively, the AD conversion list
Unit is connected with detector unit.The keyboard display module includes 8 Digital sum pipes and the setting for preset data, start detection and
16 keyboard matrixs for stopping.The 8 Digital sum pipe includes 3 bit functions symbol and 5 data symbols.AD conversion unit adopts multichannel 12
The high-precision AD conversion chip of position.The indicating lamp module is included for showing the sensor of corresponding 24 Air conduct measurement units detection
Whether 24 qualified luminous tubes.The detector unit is provided with 3 groups, and every group of detector unit is provided with 8 passages.
A kind of detection method of temperature sensor multichannel resistance monitor station, the method are comprised the following steps：Step one, system
Initialized, controller receives sign on；Step 2, ON switch K measure loop are powered, and stablize 100 milliseconds；Step
3rd, continuously read the value of 5 temperature sensor voltage V1 to be measured and average；Step 4, calculate temperature sensor to be measured
Resistance value Rx；Step 5, judge whether temperature sensor to be measured is qualified, and corresponding LED is set；Step 6, cycle detection sheet
The temperature sensor to be measured of 8 passages of group detector unit；Step 7,3 groups of detector units of cycle detection.The step 4 is calculated
Resistance value Rx, is calculated by formula Rx=V1*R1/ (4096-V1).
As shown in figure 1, system controller adopts 51 single-chip microcomputers, and it is to simplify circuit, logical using serial between each module
News mode.16 key boards are mainly used in the setting of preset data, start detection and stop, and 8 data are effective in display function symbol
And 5 data, 24 luminous tubes are used for showing whether the sensor of corresponding 24 passage is qualified that luminous tube to be lighted expression and closed
Lattice, on the contrary unqualified.High-precision AD conversion chips of the ADC using multichannel 12, to ensure that certainty of measurement meets the requirements.
In order to reduce the impact to certainty of measurement such as power-supply fluctuation and temperature, this monitor station is detected using resistance rule of three
Principle, such as Fig. 1, high precision reference resistance of the R1～R8 for Low Drift Temperature, V0 are that (ADC chips are 12 to full scale value, and V0 is corresponding
Digital quantity is 4096), by the value of ADC reading V1, you can calculate the value of Rx1, computing formula is as follows：
Rx1=V1*R1/ (4096-V1)
From computing function, the value of Rx1 is only and reference resistance R1 and V1 have relation, that is to say, that as long as ensureing that benchmark is electric
The precision of resistance R1, the measurement result of Rx1 can just be guaranteed.
1st, the detection range of critesistor resistance be 50 Ω～30K Ω, certainty of measurement be measured value ± 1%, indication range
For 30 Ω～45K Ω, video data and data are set at most retain two-decimal
2nd, 24 tunnel detected pieces can be once detected, is automatically performed time delay, measures resistance, judge whether the work such as qualified
3rd, the upper limit of detected pieces resistance, lower limit and detection delay time can be arranged and be preserved, to adapt to different temperature points
Detection
4th, whether the resistance of detected pieces is qualified is intuitively shown by 24 LED, and can inquire testing result
This utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that this utility model is implemented not to be received
The restriction of aforesaid way, as long as employ changing for the various unsubstantialities that method design of the present utility model and technical scheme are carried out
Enter, or not improved by of the present utility model design and technical scheme directly apply to other occasions, in this utility model
Protection domain within.The protection domain that protection domain of the present utility model should be limited by claims is defined.
Claims (6)
1. a kind of temperature sensor multichannel resistance monitor station, it is characterised in that the monitor station include controller, AD conversion unit,
Keyboard ＆ display and indicating lamp module, the monitor station include that controller is connected with AD conversion unit, keyboard display module respectively, institute
State AD conversion unit to be connected with detector unit.
2. temperature sensor multichannel resistance monitor station according to claim 1, it is characterised in that the keyboard display module
Setting, startup detection and 16 keyboard matrixs for stopping including 8 Digital sum pipes and for preset data.
3. temperature sensor multichannel resistance monitor station according to claim 2, it is characterised in that the 8 Digital sum pipe bag
Include 3 bit functions symbol and 5 data symbols.
4. temperature sensor multichannel resistance monitor station according to claim 1, it is characterised in that AD conversion unit is using more
The high-precision AD conversion chip of Channel 12-Bit.
5. temperature sensor multichannel resistance monitor station according to claim 1, it is characterised in that the indicating lamp module bag
Include 24 luminous tubes whether qualified for showing the sensor of corresponding 24 Air conduct measurement units detection.
6. temperature sensor multichannel resistance monitor station according to claim 1, it is characterised in that the detector unit is provided with
3 groups, every group of detector unit is provided with 8 passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621022000.2U CN206019877U (en) | 2016-08-31 | 2016-08-31 | Temperature sensor multichannel resistance monitor station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621022000.2U CN206019877U (en) | 2016-08-31 | 2016-08-31 | Temperature sensor multichannel resistance monitor station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019877U true CN206019877U (en) | 2017-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621022000.2U Expired - Fee Related CN206019877U (en) | 2016-08-31 | 2016-08-31 | Temperature sensor multichannel resistance monitor station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225956A (en) * | 2016-08-31 | 2016-12-14 | 芜湖天宇科技开发有限公司 | Temperature sensor multichannel resistance monitor station and detection method thereof |
| CN111562035A (en) * | 2020-04-10 | 2020-08-21 | 南京申华汽车电子有限公司 | Quick calibration device and calibration method for exhaust temperature sensor at high temperature |
-
2016
- 2016-08-31 CN CN201621022000.2U patent/CN206019877U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225956A (en) * | 2016-08-31 | 2016-12-14 | 芜湖天宇科技开发有限公司 | Temperature sensor multichannel resistance monitor station and detection method thereof |
| CN111562035A (en) * | 2020-04-10 | 2020-08-21 | 南京申华汽车电子有限公司 | Quick calibration device and calibration method for exhaust temperature sensor at high temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |