CN202928722U - Sensor calibration device - Google Patents
Sensor calibration device Download PDFInfo
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- CN202928722U CN202928722U CN 201220583571 CN201220583571U CN202928722U CN 202928722 U CN202928722 U CN 202928722U CN 201220583571 CN201220583571 CN 201220583571 CN 201220583571 U CN201220583571 U CN 201220583571U CN 202928722 U CN202928722 U CN 202928722U
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Abstract
The utility model discloses a sensor calibration device used for an internal combustion engine stand test, comprising the components as following: a calibration box, wherein the calibration box is closed in a calibration process, and one side wall of the calibration box is provided with an air inlet and an air outlet; a UNINOx sensor seat aperture arranged at the top wall of the calibration box; a pressure-reducing valve, which is arranged at the top of the calibration box and used for monitoring the air pressure in the calibration box; and a heating loop, wherein the calibration box is heated by the heating loop according to set temperature to simulate an exhaust state. The other side wall of the calibration box is provided with a plurality of pressure sensor seat apertures and a plurality of temperature sensor seat apertures. According to the sensor calibration device, stand test source is saved, the work efficiency of a stand test is raised, and the sensor calibration device is portable and easy to move.
Description
Technical field
The utility model relates to a kind of calibrating installation, particularly a kind of On Internal Combustion Engine Platform test sensor calibrating installation.
Background technology
Need the Real Time Monitoring correlation parameter in the On Internal Combustion Engine Platform course of work, and then guarantee duty and efficient.The mensuration of correlation parameter will be by means of UNINOx sensor, temperature sensor and pressure transducer etc., and work has important effect to the measurement accuracy of these sensors to the precise monitoring On Internal Combustion Engine Platform.Therefore the calibrating of combustion motor engine bench test sensor is very necessary.Yet without special-purpose UNINOx sensor calibrating installation, need to being arranged on during calibrating compares with the gas analyzer of stand on the stand gas outlet could examine and determine its accuracy at present, and comparison process can cause the waste of a large amount of human and material resources, bench test resource.Simultaneously, although temperature sensor and pressure transducer have special-purpose useful test module, once can only examine and determine a sensor, calibrating efficient is low, also can affect bench test efficient.
The utility model content
The utility model is in order to overcome above-mentioned defective of the prior art, the calibrating case that has temp. control function, pressure adjusting function and a plurality of sensor holders holes by setting, realize the calibrating of UNINOx sensor and a plurality of temperature sensor and pressure transducer and compare, saved the bench test resource, improved the work efficiency of bench test, and the utility model device is easy to carry and moves use.
For achieving the above object, the utility model provides a kind of sensor calibrating installation, and this sensor comprises the UNINOx sensor, and described calibrating installation comprises: the calibrating case, and it is in air-tight state in verification process, and calibrating case one sidewall is provided with air intake opening and exhausr port; Calibrating case roof is provided with UNINOx sensor holder hole; Reduction valve, it is located at the gaseous tension that described calibrating box top is used for monitoring calibrating case inside; Heating collar, it heats with the simulated exhaust state the calibrating case by design temperature.
In the said apparatus technical scheme, UNINOx sensor holder hole number is two.
In the said apparatus technical scheme, heating collar is located at and is examined and determine two ends, case left and right, and is connected with temperature controller.
In the said apparatus technical scheme, another sidewall of calibrating case is provided with a plurality of pressure transducer seats holes.
In the said apparatus technical scheme, be connected with tensimeter on reduction valve.
In the said apparatus technical scheme, the pressure output of reduction valve is connected with the normal pressure module.
In the said apparatus technical scheme, another sidewall of calibrating case is provided with a plurality of block temperature sensors holes, one of them block temperature sensor hole installation code temperature sensor, and temperature sensor to be examined and determine is installed in other block temperature sensors holes.
In the said apparatus technical scheme, temperature controller preferably adopts SDC35 type temperature controller.
Compared with prior art, the utlity model has following beneficial effect: the calibrating case that has temp. control function, pressure adjusting function and a plurality of sensor holders holes by setting, need not to connect bench test and gas analyzer compares, can realize the calibrating of UNINOx sensor, also can examine and determine simultaneously and compare a plurality of temperature sensors and pressure transducer.Saved the bench test resource, improved the work efficiency of bench test, and the utility model device is easy to carry and moves use.
Description of drawings
Fig. 1 is the cross-sectional view of a kind of sensor calibrating installation of the utility model;
Fig. 2 is a kind of sensor calibrating installation of the utility model side wall construction schematic diagram;
Mark by reference to the accompanying drawings the following drawings mark thereon:
1-examines and determine case, 2-UNINOx sensor holder hole, 3-heating collar, 4-air intake opening, 5-exhausr port, 6-block temperature sensor hole, 7-pressure transducer seat hole, 8-reduction valve, 9-pressure output.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.
The utility model sensor calibrating installation comprises as depicted in figs. 1 and 2: calibrating case 1, UNINOx sensor holder hole 2, heating collar 3, air intake opening 4, exhausr port 5, block temperature sensor hole 6, pressure transducer seat hole 7, reduction valve 8.Calibrating case 1 top is provided with for the reduction valve 8 of regulating the calibrating loading pressure, and reduction valve 8 is connected with tensimeter; Reduction valve 8 is provided with pressure output 9; Calibrating case 1 two ends, left and right are provided with for the heating collar 3 of regulating gas temperature in the calibrating case, and heating collar 3 is connected with temperature controller SDC temperature controller; Calibrating case 1 one sidewalls are provided with air intake opening 4 and exhausr port 5; Calibrating case 1 another sidewall is provided with for the block temperature sensor hole 6 that connects temperature sensor, the pressure transducer seat hole 7 that is used for the Bonding pressure sensor; Calibrating case 1 top is provided with for two the UNINOx sensor holder holes 2 that connect the UNINOx sensor.
Calibrating UNINOx sensor: with the UNINOx installation of sensors on UNINOx sensor holder hole 2.At first, guarantee to examine and determine case 1 and be in air-tight state.Open air intake opening 4 and be filled with standard zero gas in the calibrating case, pressure by reduction valve 8 monitoring calibrating casees, monitor that 3 pairs of heating collars calibrating casees carry out by the design temperature heating so that the simulated exhaust state by temperature controller, can read the zero reading of UNINOx sensor when temperature reaches requiring of UNINOx sensor.Open exhausr port 5, the zero gas in the calibrating case is discharged.Adopt identical step, be filled with the standard span gas, read the span place reading.By the standard value of reading and zero-bit and span position is compared, whether the state that can examine and determine the UNINOx sensor is normal.
Calibrating pressure transducer: at first, guarantee to examine and determine case 1 and be in air-tight state.Pressure transducer is connected to any one in pressure transducer 7, also can connects simultaneously two or three pressure transducers.Be filled with gas by air intake opening 4 to calibrating case 1 and then close air intake opening 4, in gas replenishment process, can monitor the interior gaseous tension of calibrating case 1 by the tensimeter that is connected on reduction valve 8, if pressure exceeds accredited pressure transducer range, can adjust by reduction valve 8.Then open the valve of the accredited pressure transducer that connects, the indicating value of pressure transducer and the pressure gauge reading on reduction valve 8 are compared, can tentatively judge the state of accredited pressure transducer; Also can be with the pressure output 9 connection standard modular pressures of reduction valve 8, comparison, calibrating pressure sensor.
The proving temperature sensor: the standard temperature sensor is connected to any one in block temperature sensor hole 6, and two other block temperature sensor hole can connect one or two temperature sensor to be examined and determine.Monitor 3 pairs of calibrating casees 1 of heating collar by temperature controller and carry out by the design temperature heating, the indicating value with accredited temperature sensor indicating value and standard temperature sensor after temperature constant compares, and namely judges the state of accredited temperature sensor.
The utility model sensor calibrating installation both can use separately the calibrating of above three kinds of sensors, also can use simultaneously.
Above disclosed be only a specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (8)
1. sensor calibrating installation, this sensor comprises the UNINOx sensor, it is characterized in that, described calibrating installation comprises:
The calibrating case, it is in air-tight state in verification process, and calibrating case one sidewall is provided with air intake opening and exhausr port; Calibrating case roof is provided with UNINOx sensor holder hole;
Reduction valve, it is located at the gaseous tension that described calibrating box top is used for monitoring calibrating case inside;
Heating collar, it heats with the simulated exhaust state the calibrating case by design temperature.
2. sensor calibrating installation according to claim 1, is characterized in that, described UNINOx sensor holder hole number is two.
3. sensor calibrating installation according to claim 1 and 2, is characterized in that, described heating collar is located at and is examined and determine two ends, case left and right, and is connected with temperature controller.
4. sensor calibrating installation according to claim 1, is characterized in that, another sidewall of described calibrating case is provided with a plurality of pressure transducer seats holes.
5. sensor calibrating installation according to claim 4, is characterized in that, is connected with tensimeter on described reduction valve.
6. sensor calibrating installation according to claim 4, is characterized in that, the pressure output of described reduction valve is connected with the normal pressure module.
7. sensor calibrating installation according to claim 1, it is characterized in that, another sidewall of described calibrating case is provided with a plurality of block temperature sensors holes, one of them block temperature sensor hole installation code temperature sensor, and temperature sensor to be examined and determine is installed in other block temperature sensors holes.
8. sensor calibrating installation according to claim 3, is characterized in that, described temperature controller adopts SDC35 type temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583571 CN202928722U (en) | 2012-11-07 | 2012-11-07 | Sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583571 CN202928722U (en) | 2012-11-07 | 2012-11-07 | Sensor calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928722U true CN202928722U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583571 Expired - Fee Related CN202928722U (en) | 2012-11-07 | 2012-11-07 | Sensor calibration device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280188A (en) * | 2013-07-03 | 2015-01-14 | 无锡康森斯克电子科技有限公司 | Automatic testing method and device for pressure sensor chips |
| CN106017740A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration equipment convenient for installation and maintenance |
| CN106017739A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration device |
| CN106225954A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | There is the calibrating device for temperature sensor of electromagnetic induction roller heating |
| CN106248253A (en) * | 2016-07-28 | 2016-12-21 | 无锡信大气象传感网科技有限公司 | The temperature sensor calibrator (-ter) unit of uniform temperature fields |
| CN107607672A (en) * | 2017-08-29 | 2018-01-19 | 广州海洋地质调查局 | A kind of underwater gas sensor calibrator (-ter) unit and calibration method |
| CN107860510A (en) * | 2017-11-07 | 2018-03-30 | 中航（重庆）微电子有限公司 | A kind of calibration method of pressure sensor |
| CN108279089A (en) * | 2018-02-09 | 2018-07-13 | 深圳市艾依康仪器仪表科技有限公司 | Constant temperature and pressure calibrating installation |
| CN108572048A (en) * | 2018-05-15 | 2018-09-25 | 安徽天卓信息技术有限公司 | A kind of calibrating installation of baroceptor |
| CN110579310A (en) * | 2018-06-11 | 2019-12-17 | 无锡必创传感科技有限公司 | sensor environment setting equipment and sensor parameter calibration system |
| CN111077270A (en) * | 2019-12-17 | 2020-04-28 | 石家庄飞机工业有限责任公司 | Sensor fixing device for aircraft |
| CN113820460A (en) * | 2021-09-29 | 2021-12-21 | 广西玉柴机器股份有限公司 | Detection and comparison device for post-treatment nitrogen-oxygen sensor |
-
2012
- 2012-11-07 CN CN 201220583571 patent/CN202928722U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280188A (en) * | 2013-07-03 | 2015-01-14 | 无锡康森斯克电子科技有限公司 | Automatic testing method and device for pressure sensor chips |
| CN106017740A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration equipment convenient for installation and maintenance |
| CN106017739A (en) * | 2016-07-28 | 2016-10-12 | 无锡信大气象传感网科技有限公司 | Temperature sensor calibration device |
| CN106225954A (en) * | 2016-07-28 | 2016-12-14 | 无锡信大气象传感网科技有限公司 | There is the calibrating device for temperature sensor of electromagnetic induction roller heating |
| CN106248253A (en) * | 2016-07-28 | 2016-12-21 | 无锡信大气象传感网科技有限公司 | The temperature sensor calibrator (-ter) unit of uniform temperature fields |
| CN107607672A (en) * | 2017-08-29 | 2018-01-19 | 广州海洋地质调查局 | A kind of underwater gas sensor calibrator (-ter) unit and calibration method |
| CN107860510A (en) * | 2017-11-07 | 2018-03-30 | 中航（重庆）微电子有限公司 | A kind of calibration method of pressure sensor |
| CN108279089A (en) * | 2018-02-09 | 2018-07-13 | 深圳市艾依康仪器仪表科技有限公司 | Constant temperature and pressure calibrating installation |
| CN108572048A (en) * | 2018-05-15 | 2018-09-25 | 安徽天卓信息技术有限公司 | A kind of calibrating installation of baroceptor |
| CN108572048B (en) * | 2018-05-15 | 2020-04-17 | 安徽赛安安全技术有限公司 | Calibration device of air pressure sensor |
| CN110579310A (en) * | 2018-06-11 | 2019-12-17 | 无锡必创传感科技有限公司 | sensor environment setting equipment and sensor parameter calibration system |
| CN110579310B (en) * | 2018-06-11 | 2021-12-31 | 无锡必创传感科技有限公司 | Sensor environment setting equipment and sensor parameter calibration system |
| CN111077270A (en) * | 2019-12-17 | 2020-04-28 | 石家庄飞机工业有限责任公司 | Sensor fixing device for aircraft |
| CN113820460A (en) * | 2021-09-29 | 2021-12-21 | 广西玉柴机器股份有限公司 | Detection and comparison device for post-treatment nitrogen-oxygen sensor |
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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: 20130508 Termination date: 20171107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |