CN202885863U - Fuel engine tail gas parameter testing system - Google Patents
Fuel engine tail gas parameter testing system Download PDFInfo
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- CN202885863U CN202885863U CN 201220558381 CN201220558381U CN202885863U CN 202885863 U CN202885863 U CN 202885863U CN 201220558381 CN201220558381 CN 201220558381 CN 201220558381 U CN201220558381 U CN 201220558381U CN 202885863 U CN202885863 U CN 202885863U
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- fuel engines
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Abstract
The utility model discloses a fuel engine tail gas parameter testing system, comprising a microprocessor module, a crystal oscillator circuit, a reset circuit, a USB (universal serial bus) communication interface circuit, an Ethernet interface circuit, a Flash memory and a touch type liquid crystal display screen, wherein the crystal oscillator circuit, the reset circuit, the USB communication interface circuit, the Ethernet interface circuit, the Flash memory and the touch type liquid crystal display screen are connected with the microprocessor module; the input end of the microprocessor module is connected with a signal modulating circuit module; the input end of the signal modulating circuit module is connected with an infrared temperature sensor, a CO (carbon monoxide) gas sensor, a CO2 (carbon dioxide) gas censor and an HC (hydrocarbon compound) infrared gas sensor; the output end of the microprocessor module is connected with a voice alarm circuit which is used for sending out a voice alarm signal when the fuel engine tail gas parameter exceeds a standard; and a flash memory is connected to the USB communication interface circuit. The fuel engine tail gas parameter testing system is simple in structure, reasonable in design, complete in function and convenient to use and operate, achieves low cost, high working reliability, excellent stability and high practicability, can test various performance parameters such as combustion state of an engine, and is convenient to promote and use.
Description
Technical field
The utility model relates to the Engine Block Test technical field, especially relates to a kind of fuel engines tail gas parameter test system.
Background technology
Since the reform and opening-up, the auto industry of China and aircraft industry have obtained developing rapidly, when having brought economic development, have also brought two great society problems: the environmental pollution that toxic emission brings and the energy shortage of taking as the leading factor with oil.
In the various waste gas of discharging, the tail gas that fuel engines discharges is the key link of exhaust emission: the carbon dioxide (CO that contains in the tail gas of its discharging
2) be the main source of " greenhouse effect "; Carbon monoxide (CO), hydrocarbon (HC) that oil can not perfect combustion brings all are harmful gas, threaten health, and these exhaust emissions and living environment are closely linked to, and the mankind's quality of life have been caused have a strong impact on.In addition; the development of automobile and aircraft industry is based upon on the basis that consumes petroleum in a large number; oil is being brought into play huge effect as the main fuel of fuel engines in industrial development; but the petroleum resources reserves are not wireless; the reserves of development and utilization are few easily, go down for a long time energy crisis to occur.Solution route for above-mentioned two problems is a lot, and with regard to engine itself, structure design, the raising burning efficiency of improving engine are the effective ways of saving petroleum-based energy and reducing noxious gas emission.In improved research process, need to test and analyze the various performance parameters such as fired state of engine, wherein combustion tail gas temperature and chief component composition (CO
2, CO, HC) measurement of concentration is a pith.At present, the testing scheme that some gas concentration signals and temperature signal are arranged in the prior art, but, be to adopt single-chip microcomputer to realize that in conjunction with PC having broken away from PC can not move mostly, and be to consist of the upper and lower computer system by RS232 bus or RS485 bus, realize the data processing by PC, realize that cost is higher, and for instrument carry, debug and test has brought operational inconvenience, stability and the corresponding speed of instrument also are restricted.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of fuel engines tail gas parameter test system is provided, and it is simple in structure, and is reasonable in design, complete function, use simple operation, realize that cost is low, functional reliability is high, good stability, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of fuel engines tail gas parameter test system, it is characterized in that: comprise microprocessor module and the crystal oscillating circuit that joins with microprocessor module, reset circuit, the usb communication interface circuit, ethernet interface circuit, Fl a s h storer and touch LCD screen, the input end of described microprocessor module is connected to the signal conditioning circuit module of nursing one's health with filtering for signal is amplified, and the input end of described signal conditioning circuit module is connected to the infrared temperature sensor that detects for to the fuel engines exhaust temperature, for the CO gas sensor that fuel engines tail gas CO gas concentration is detected, be used for fuel engines tail gas CO
2The CO that gas concentration detects
2The HC infrared gas sensor that gas sensor and be used for detects fuel engines tail gas HC gas concentration, the output terminal of described microprocessor module is connected to for the voice alarm circuit of sending the audio alert signal when fuel engines tail gas parameter exceeds standard, is connected to USB flash disk on the described usb communication interface circuit.
Above-mentioned a kind of fuel engines tail gas parameter test system, it is characterized in that: described microprocessor module is the inner single-chip microcomputer MSP430F169 that is integrated with the A/D change-over circuit, and the input end of the output terminal of described signal conditioning circuit module 8 and described A/D change-over circuit joins.
Above-mentioned a kind of fuel engines tail gas parameter test system, it is characterized in that: described ethernet interface circuit mainly is made of chip DM9000EP.
Above-mentioned a kind of fuel engines tail gas parameter test system, it is characterized in that: described voice alarm circuit mainly is made of speech chip I SD1402.
The utility model compared with prior art has the following advantages:
1, the utility model circuit structure is simple, and is reasonable in design, easy-to-connect.
2, the utility model is not owing to have directly to adopt PC to carry out the analyzing and processing of data, but directly carried out the analyzing and processing of data by microprocessor module, and carry out the demonstration of analysis processing result by touch LCD screen, therefore, data processing speed is fast, real-time is good, dwindled the volume of whole test macro, be easy to carry, debug and test, in addition, by usb communication interface circuit and ethernet interface circuit, also can be with the utility model and the online use of PC, flexible and convenient to use, complete function.
3, the utility model is provided with voice alarm circuit, on the one hand, system can be by the voice alarm circuit warning that exceeds standard, another is convenient, the staff can also be presented at by contrast curve and the typical curve of the real-time rendering on the touch LCD screen, obtain the various performance parameters such as fired state of engine, use simple operation.
4, realization cost of the present utility model is low, and functional reliability is high, and good stability need not frequent maintenance and repair, and the maintenance and repair cost is low.
5, of the present utility model practical, can test and analyze the various performance parameters such as fired state of engine, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and is reasonable in design, and complete function uses simple operation, realizes that cost is low, and functional reliability is high, good stability, and practical, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-microprocessor module; 2-crystal oscillating circuit; 3-reset circuit;
The 4-USB communication interface circuit; The 5-ethernet interface circuit; The 6-Flash storer;
7-touch LCD screen; 8-signal conditioning circuit module; 9-infrared temperature sensor;
The 10-CO gas sensor; 11-CO
2Gas sensor;
12-HC infrared gas sensor; 13-voice alarm circuit;
14-A/D change-over circuit; 15-USB flash disk.
Embodiment
As shown in Figure 1, the utility model comprises microprocessor module 1 and the crystal oscillating circuit 2 that joins with microprocessor module 1, reset circuit 3, usb communication interface circuit 4, ethernet interface circuit 5, Flash storer 6 and touch LCD screen 7, the input end of described microprocessor module 1 is connected to the signal conditioning circuit module 8 of nursing one's health with filtering for signal is amplified, and the input end of described signal conditioning circuit module 8 is connected to for the infrared temperature sensor 9 that the fuel engines exhaust temperature is detected, for the CO gas sensor 10 that fuel engines tail gas CO gas concentration is detected, be used for fuel engines tail gas CO
2The CO that gas concentration detects
2The HC infrared gas sensor 12 that gas sensor 11 and be used for detects fuel engines tail gas HC gas concentration, the output terminal of described microprocessor module 1 is connected to for the voice alarm circuit 13 of sending the audio alert signal when fuel engines tail gas parameter exceeds standard, is connected to USB flash disk 15 on the described usb communication interface circuit 4.
In the present embodiment, described microprocessor module 1 is the inner single-chip microcomputer MSP430F169 that is integrated with A/D change-over circuit 14, and the input end of the output terminal of described signal conditioning circuit module 8 and described A/D change-over circuit 14 joins.Described ethernet interface circuit 5 mainly is made of chip DM9000EP.Described voice alarm circuit 13 mainly is made of speech chip ISD1402.
Principle of work of the present utility model and the course of work are: after system starts, 9 pairs of fuel engines exhaust temperatures of infrared temperature sensor detect and detected signal are exported to signal conditioning circuit module 8, the CO gas concentration detects and detected signal is exported to signal conditioning circuit module 8, CO in 10 pairs of fuel engines tail gas of CO gas sensor
2CO in 11 pairs of fuel engines tail gas of gas sensor
2Gas concentration detects and detected signal is exported to signal conditioning circuit module 8, the HC gas concentration detects and detected signal is exported to signal conditioning circuit module 8,8 pairs of infrared temperature sensors 9 of described signal conditioning circuit module, CO gas sensor 10, CO in 12 pairs of fuel engines tail gas of HC infrared gas sensor
2The signal of gas sensor 11 and HC infrared gas sensor 12 outputs amplify with the filtering conditioning after export to A/D change-over circuit 14 and carry out the A/D conversion process, 1 pair of signal after the A/D conversion process of microprocessor module carries out analyzing and processing, obtains CO gas, CO in fuel engines exhaust temperature, the tail gas
2The concentration signal of gas and HC gas is also drawn the curve of concentration changes with time, be stored in the USB flash disk 15 by usb communication interface circuit 4, be presented on the touch LCD screen 7, typical curve is also shown on the touch LCD screen 7 simultaneously, the staff just can be by curve and the typical curve of contrast real-time rendering like this, obtain the various performance parameters such as fired state of engine, in addition, microprocessor module 1 is also with CO gas, CO in each constantly exhaust temperature, the tail gas
2Concentration signal and the standard value of gas and HC gas compare, and when instantaneous value seriously during the value of being above standard, microprocessor module 1 control voice alarm circuit is sent the audio alert signal, reminds the staff.
In the present embodiment, owing to adopt USB flash disk 15 to carry out the data storage, so can easily the USB flash disk 15 of having stored data be pulled up, be inserted on the USB interface of PC, again data are stored and further analyzing and processing by PC, also can not connect USB flash disks 15 at usb communication interface circuit 4, but directly the utility model be linked to each other with PC by usb communication interface circuit 4, transfer data to PC and store and further analyzing and processing, be conducive to preservation and the networking of data.In addition, owing to be connected to ethernet interface circuit 5 on the microprocessor module 1, therefore, the utility model can also directly be connected on the network by ethernet interface circuit 5, communicates by Ethernet with PC.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (4)
1. fuel engines tail gas parameter test system, it is characterized in that: comprise microprocessor module (1) and the crystal oscillating circuit (2) that joins with microprocessor module (1), reset circuit (3), usb communication interface circuit (4), ethernet interface circuit (5), Flash storer (6) and touch LCD screen (7), the input end of described microprocessor module (1) is connected to the signal conditioning circuit module (8) of nursing one's health with filtering for signal is amplified, and the input end of described signal conditioning circuit module (8) is connected to for the infrared temperature sensor that the fuel engines exhaust temperature is detected (9), for the CO gas sensor (10) that fuel engines tail gas CO gas concentration is detected, be used for fuel engines tail gas CO
2The CO that gas concentration detects
2The HC infrared gas sensor (12) that gas sensor (11) and be used for detects fuel engines tail gas HC gas concentration, the output terminal of described microprocessor module (1) is connected to for the voice alarm circuit (13) of sending the audio alert signal when fuel engines tail gas parameter exceeds standard, is connected to USB flash disk (15) on the described usb communication interface circuit (4).
2. according to a kind of fuel engines tail gas parameter test system claimed in claim 1, it is characterized in that: described microprocessor module (1) is integrated with the single-chip microcomputer MSP430F169 of A/D change-over circuit (14) for inside, and the input end of the output terminal of described signal conditioning circuit module (8) and described A/D change-over circuit (14) joins.
3. according to a kind of fuel engines tail gas parameter test system claimed in claim 1, it is characterized in that: described ethernet interface circuit (5) mainly is made of chip DM9000EP.
4. according to a kind of fuel engines tail gas parameter test system claimed in claim 1, it is characterized in that: described voice alarm circuit (13) mainly is made of speech chip I SD1402.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558381 CN202885863U (en) | 2012-10-27 | 2012-10-27 | Fuel engine tail gas parameter testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558381 CN202885863U (en) | 2012-10-27 | 2012-10-27 | Fuel engine tail gas parameter testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885863U true CN202885863U (en) | 2013-04-17 |
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ID=48077278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220558381 Expired - Fee Related CN202885863U (en) | 2012-10-27 | 2012-10-27 | Fuel engine tail gas parameter testing system |
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| CN (1) | CN202885863U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604750A (en) * | 2013-11-25 | 2014-02-26 | 无锡俊达测试技术服务有限公司 | Infrared automobile exhaust detecting and alarming device |
| CN105486732A (en) * | 2015-10-15 | 2016-04-13 | 常州市鹰皇冠进出口有限公司 | Diesel-engine tail-gas quality monitoring apparatus |
| CN105509797A (en) * | 2015-10-14 | 2016-04-20 | 常州市鹰皇冠进出口有限公司 | Diesel engine tail gas quality monitoring system |
| CN107014954A (en) * | 2017-03-30 | 2017-08-04 | 黑龙江圣邦投资咨询有限公司 | A kind of engine tail nozzle detection means |
| CN107065734A (en) * | 2017-06-08 | 2017-08-18 | 安徽和力成信息科技有限公司 | A kind of anti-pollution gas discharge online monitoring system and its method of work |
| CN114414734A (en) * | 2021-12-21 | 2022-04-29 | 宁波大学 | Atmosphere self-correcting oxygen sensor combustion type test system |
-
2012
- 2012-10-27 CN CN 201220558381 patent/CN202885863U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604750A (en) * | 2013-11-25 | 2014-02-26 | 无锡俊达测试技术服务有限公司 | Infrared automobile exhaust detecting and alarming device |
| CN105509797A (en) * | 2015-10-14 | 2016-04-20 | 常州市鹰皇冠进出口有限公司 | Diesel engine tail gas quality monitoring system |
| CN105486732A (en) * | 2015-10-15 | 2016-04-13 | 常州市鹰皇冠进出口有限公司 | Diesel-engine tail-gas quality monitoring apparatus |
| CN107014954A (en) * | 2017-03-30 | 2017-08-04 | 黑龙江圣邦投资咨询有限公司 | A kind of engine tail nozzle detection means |
| CN107065734A (en) * | 2017-06-08 | 2017-08-18 | 安徽和力成信息科技有限公司 | A kind of anti-pollution gas discharge online monitoring system and its method of work |
| CN114414734A (en) * | 2021-12-21 | 2022-04-29 | 宁波大学 | Atmosphere self-correcting oxygen sensor combustion type test system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131027 |