CN105157879A - Exhaust gas temperature emission sensor performance test device - Google Patents
Exhaust gas temperature emission sensor performance test device Download PDFInfo
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- CN105157879A CN105157879A CN201510511958.1A CN201510511958A CN105157879A CN 105157879 A CN105157879 A CN 105157879A CN 201510511958 A CN201510511958 A CN 201510511958A CN 105157879 A CN105157879 A CN 105157879A
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- temperature
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- programmable logic
- logic controller
- emission sensor
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Abstract
The invention discloses an exhaust gas temperature emission sensor performance test device. The exhaust gas temperature emission sensor performance test device includes a low-temperature ice tank, a high-temperature oil tank, a programmable logic controller and a display touch screen; a high-accuracy thermocouple is arranged in the low-temperature ice tank; a high-accuracy thermocouple and a heater are arranged in the high-temperature oil tank; tested pieces are arranged in the low-temperature ice tank and the high-temperature oil tank; the tested pieces and the two high-accuracy thermocouples are connected with the programmable logic controller respectively through temperature transmitters; the programmable logic controller and the display touch screen are communicated with each other; the programmable logic controller acquires and judges temperature data in the low-temperature ice tank and the high-temperature oil tank; the temperature data are displayed on the display touch screen; and parameter editing, input and output and control operation are performed on the display touch screen. Thus, the exhaust gas temperature emission sensor performance test device of the invention has the advantages of being quick and accurate, low cost and convenient and practical operation.
Description
Technical field
The present invention relates to sensor field, be specifically related to a kind of exhaust temperature emission sensor performance testing device.
Background technology
Along with the enforcement of Europe IV standard, the discharge of tail gas and burn all must realize controlling by high temperature measurement completely, emission measuring will for the protection of accessory and exhaust system supervision more and more important, therefore to use exhaust gas temperature sensor.In actual use, the characteristic of exhaust temperature emission sensor is: along with rising or the reduction of temperature, presents close to linear change between the resistance of sensor and temperature, and temperature raises, and resistance becomes large, and temperature reduces, and resistance reduces.But for the Performance Detection of exhaust gas temperature sensor, also lack method accurately and effectively at present.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, a kind of exhaust temperature emission sensor performance testing device is provided.
Technical scheme: a kind of exhaust temperature emission sensor of the present invention performance testing device, comprises Low-temperature Ice groove, high temperature oil groove, programmable logic controller (PLC) and display touch-screen; Be provided with High Accuracy Thermocouple Temperature in described Low-temperature Ice groove, in high temperature oil groove, be provided with High Accuracy Thermocouple Temperature and well heater, meanwhile, in Low-temperature Ice groove and high temperature oil groove, be all placed with measured piece; Described measured piece and two High Accuracy Thermocouple Temperatures are connected to programmable logic controller (PLC) respectively by temperature transmitter, be interconnected between described programmable logic controller (PLC) and display touch-screen, programmable logic controller (PLC) gathers and judges the temperature data in Low-temperature Ice groove and high temperature oil groove, then display touch-screen is shown in, in the enterprising line parameter editor of display touch-screen, input and output and control operation.
Use dirigibility and range of application for increasing, described Low-temperature Ice groove also can replace with low temperature tank.
For ensureing the even and constant of temperature, in described Low-temperature Ice groove and high temperature oil groove, be provided with self-poking arrangement.
Further, described programmable logic controller (PLC) is also connected with pilot lamp and hummer.
Further, also solid-state relay is provided with between described programmable logic controller (PLC) and well heater
Beneficial effect: the present invention's programmable logic controller (PLC) (i.e. PLC) gathers the resistance value of the multiple temperature spot of exhaust temperature emission sensor and water (oil) groove temperature value, export to touch-screen display, and whether qualifiedly judge, meanwhile PLC is also used for constant high temperature oil sump temperature.Compared with prior art, the present invention has the following advantages:
(1) the present invention adopts PLC to control, and is easy to programme and subsequent adaptation to individual parameter, simultaneously because PLC is electrical equipment control height integrated equipment, simplifies circuit and electric elements, has saved cost.
(2) the present invention adopts industry control man-machine interface, practicality easy and simple to handle.
(3) all with self-poking arrangement in two calibration cells in the present invention, thus the even of temperature is ensured.
In sum, the exhaust temperature emission sensor that the invention provides a kind of accurately practicality quick, with low cost, easy and simple to handle is performance test bed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
As shown in Figure 1, a kind of exhaust temperature emission sensor performance testing device in the present invention, comprises Low-temperature Ice groove (or low temperature tank), high temperature oil groove, programmable logic controller (PLC) and display touch-screen; Be provided with High Accuracy Thermocouple Temperature in described Low-temperature Ice groove (or low temperature tank), in high temperature oil groove, be provided with High Accuracy Thermocouple Temperature and well heater, meanwhile, in Low-temperature Ice groove (or low temperature tank) and high temperature oil groove, be all placed with measured piece; Described measured piece and two High Accuracy Thermocouple Temperatures are connected to programmable logic controller (PLC) respectively by temperature transmitter, be interconnected between described programmable logic controller (PLC) and display touch-screen, programmable logic controller (PLC) gathers and judges the temperature data in (or low temperature tank) and high temperature oil groove, then display touch-screen is shown in, in the enterprising line parameter editor of display touch-screen, input and output and control operation.
Self-poking arrangement is provided with in above-mentioned Low-temperature Ice groove (or low temperature tank) and high temperature oil groove.Programmable logic controller (PLC) is also connected with pilot lamp and hummer, and and is also provided with solid-state relay between well heater.
Specific works principle of the present invention is:
The present invention adopts constant temperature ice (water) groove and thermostatic oil bath, with PLC, the resistance value of the multiple temperature spot of temperature sensor and water (oil) groove temperature value are gathered, export to touch-screen display, and whether qualifiedly judge, meanwhile PLC is also used for constant high temperature oil sump temperature.
In Low-temperature Ice (water) groove side, PLC judges the temperature of ice groove by High Accuracy Thermocouple Temperature, gathers the resistance value of dut temperature sensor simultaneously, itself and theoretical value is compared, thus judge whether qualified; Afterwards PLC will gather data, and judged result export to display touch-screen, pilot lamp and hummer.
Survey at high temperature oil groove, principle is identical, adds oil groove heating arrangement (i.e. well heater), and carries out thermostatic control.
Proving installation is provided with the button such as " starting to test ", " stopping test ", " suddenly stopping ", display touch-screen has soft key, parameter editor can be carried out, the operations such as parameters input output and control.
Proving installation in the present invention finally can realize following functions:
1, fixed temperature point (passing through measured piece), the resistance of test exhaust temperature emission sensor, it is qualified to judge whether;
2, along with rising or the reduction of temperature, describe temperature resistance curve (passing through PLC), the whole temperature changing process of product is tested and demarcated;
3, can detect the resistance value of multiple temperature spot simultaneously and judge.
Claims (5)
1. an exhaust temperature emission sensor performance testing device, is characterized in that: comprise Low-temperature Ice groove, high temperature oil groove, programmable logic controller (PLC) and display touch-screen; Be provided with High Accuracy Thermocouple Temperature in described Low-temperature Ice groove, in high temperature oil groove, be provided with High Accuracy Thermocouple Temperature and well heater, meanwhile, in Low-temperature Ice groove and high temperature oil groove, be all placed with measured piece; Described measured piece and two High Accuracy Thermocouple Temperatures are connected to programmable logic controller (PLC) respectively by temperature transmitter, be interconnected between described programmable logic controller (PLC) and display touch-screen, programmable logic controller (PLC) gathers and judges the temperature data in Low-temperature Ice groove and high temperature oil groove, then display touch-screen is shown in, in the enterprising line parameter editor of display touch-screen, input and output and control operation.
2. exhaust temperature emission sensor performance testing device according to claim 1, is characterized in that: described Low-temperature Ice groove also can replace with low temperature tank.
3. exhaust temperature emission sensor performance testing device according to claim 1, is characterized in that: be provided with self-poking arrangement in described Low-temperature Ice groove and high temperature oil groove.
4. exhaust temperature emission sensor performance testing device according to claim 1, is characterized in that: described programmable logic controller (PLC) is also connected with pilot lamp and hummer.
5. exhaust temperature emission sensor performance testing device according to claim 1, is characterized in that: be also provided with solid-state relay between described programmable logic controller (PLC) and well heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510511958.1A CN105157879A (en) | 2015-08-19 | 2015-08-19 | Exhaust gas temperature emission sensor performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510511958.1A CN105157879A (en) | 2015-08-19 | 2015-08-19 | Exhaust gas temperature emission sensor performance test device |
Publications (1)
| Publication Number | Publication Date |
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| CN105157879A true CN105157879A (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510511958.1A Pending CN105157879A (en) | 2015-08-19 | 2015-08-19 | Exhaust gas temperature emission sensor performance test device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030163276A1 (en) * | 2002-02-26 | 2003-08-28 | Fritz Larry Lee | Process for controlling the temperature of wastewater samples |
| CN2938048Y (en) * | 2006-06-30 | 2007-08-22 | 株洲耀辉光机电研究开发有限公司 | Automatic temp measuring device |
| CN201672994U (en) * | 2010-05-31 | 2010-12-15 | 南京工程学院 | Automobile coolant temperature sensor testing device |
| CN202403837U (en) * | 2012-01-09 | 2012-08-29 | 中山市铧禧电子科技有限公司 | Temperature sensor detection table |
| CN104677522A (en) * | 2015-03-12 | 2015-06-03 | 天津市计量监督检测科学研究院 | Scene automatic calibration system and method for integrative temperature transmitter |
| CN204903040U (en) * | 2015-08-19 | 2015-12-23 | 首凯汽车零部件（江苏）有限公司 | Sensor capability test device is discharged to tail gas temperature |
-
2015
- 2015-08-19 CN CN201510511958.1A patent/CN105157879A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030163276A1 (en) * | 2002-02-26 | 2003-08-28 | Fritz Larry Lee | Process for controlling the temperature of wastewater samples |
| CN2938048Y (en) * | 2006-06-30 | 2007-08-22 | 株洲耀辉光机电研究开发有限公司 | Automatic temp measuring device |
| CN201672994U (en) * | 2010-05-31 | 2010-12-15 | 南京工程学院 | Automobile coolant temperature sensor testing device |
| CN202403837U (en) * | 2012-01-09 | 2012-08-29 | 中山市铧禧电子科技有限公司 | Temperature sensor detection table |
| CN104677522A (en) * | 2015-03-12 | 2015-06-03 | 天津市计量监督检测科学研究院 | Scene automatic calibration system and method for integrative temperature transmitter |
| CN204903040U (en) * | 2015-08-19 | 2015-12-23 | 首凯汽车零部件（江苏）有限公司 | Sensor capability test device is discharged to tail gas temperature |
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Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |