CN215004277U - Real-time tracking system for tail gas aftertreatment of engine laboratory - Google Patents
Real-time tracking system for tail gas aftertreatment of engine laboratory Download PDFInfo
- Publication number
- CN215004277U CN215004277U CN202121580268.9U CN202121580268U CN215004277U CN 215004277 U CN215004277 U CN 215004277U CN 202121580268 U CN202121580268 U CN 202121580268U CN 215004277 U CN215004277 U CN 215004277U
- Authority
- CN
- China
- Prior art keywords
- tail gas
- temperature
- real
- engine
- data processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model relates to an engine tail gas processing system technical field in the experiment discloses an engine test room tail gas aftertreatment real-time tracking system, including switch board and the exhaust gas temperature and pressure sensor, NOx sensor, CO gas measurement sensor and the exhaust fan of setting in the engine test room tail gas system pipeline, be equipped with temperature and pressure data processing module, converter and industrial computer in the switch board, exhaust gas temperature and pressure sensor are connected with temperature and pressure data processing module electricity, temperature and pressure data processing module, NOx sensor and CO gas measurement sensor all with industrial computer electricity connection; the utility model provides a pair of real-time tracking system of engine test room tail gas aftertreatment has solved the problem that the tail gas in the tail gas system pipeline among the current engine test can't carry out real-time supervision.
Description
Technical Field
The utility model relates to an engine tail gas processing system technical field in the experiment, concretely relates to real-time tracking system of engine test room tail gas aftertreatment.
Background
Automotive exhaust pollution is environmental pollution caused by exhaust gas emitted from automobiles. The automobile exhaust emission comprises three parts: exhaust gases of the internal combustion engine discharged through the exhaust pipe, gases leaked from the crankcase, and evaporated gases of the fuel system such as the fuel tank and the carburetor. According to statistics, each time an automobile engine burns 1 kg of gasoline, 15 kg of fresh air is consumed, and 150-200 g of carbon monoxide (CO), 4-8 g of hydrocarbon, 4-20 g of nitrogen oxide and other pollutants are discharged.
The engine also can produce a large amount of gaseous pollutants when the laboratory is operated, and the blast pipe that uses the car can purify tail gas basically usually, but because the operating mode of engine is more abominable when actual car is gone in the experiment, consequently can produce more gaseous pollutants when going than the car, in order to ensure that exhaust emission reaches GB16297-1996 atmospheric pollutants integrated emission standard during the experiment, need monitor the tail gas in the engine test room exhaust system pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an engine test room tail gas aftertreatment real-time tracking system has solved the problem that the tail gas in the tail gas system pipeline in the current engine test can't carry out real-time supervision.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an engine test room tail gas aftertreatment real-time tracking system, includes switch board and sets up exhaust gas temperature and pressure sensor, NOx sensor, CO gas measurement sensor and the exhaust fan in the engine test room tail gas system pipeline, from last to being equipped with temperature and pressure data processing module, industrial computer and converter down in proper order in the switch board, the industrial computer is main control unit, exhaust gas temperature and pressure sensor are connected with temperature and pressure data processing module electricity, temperature and pressure data processing module, NOx sensor and CO gas measurement sensor all are connected with industrial computer electricity, be equipped with the display on the switch board, the display is connected with industrial computer electricity, temperature and pressure data processing module pass through DO and AO channel control converter, the converter is connected with exhaust fan electricity.
Due to the fact that the exhaust gas temperature and pressure sensor, the NOx sensor and the CO gas measuring sensor are arranged in the tail gas system pipeline in the test room, the exhaust gas emission components of the engine in the tail gas system pipeline can be monitored in real time.
The smoke exhaust fan is controlled through the frequency converter, the stability of pipeline pressure under different engine working conditions is guaranteed, the pipeline pressure of a tail gas system is constant, and the normal exhaust back pressure of the engine is not affected.
The utility model discloses novel structure, reasonable in design ensure that the engine can in time indicate when exhaust emission appears in the test process and exceeds standard to corresponding treatment measures are in time taken to the convenience of customers.
And the system further comprises an upper computer control signal interface which is electrically connected with the temperature and pressure data processing module. An upper computer control signal interface is reserved, linkage control can be performed with an engine test control system, the smoke exhaust fan is started/stopped in time, energy consumption is reduced, and the service life of the smoke exhaust fan is prolonged.
Furthermore, in order to know monitoring information in real time, the exhaust gas temperature and pressure sensor, the NOx sensor and the CO gas measuring sensor measure the state of the pipeline of the tail gas system in real time and display the state of the pipeline of the tail gas system in real time on a display through an industrial computer.
Furthermore, the frequency converter controls the smoke exhaust fan, and the pressure in the tail gas system pipeline is ensured to be stable under different engine working conditions.
Furthermore, a power supply for supplying power to the system is arranged in the control cabinet.
Furthermore, in order to move conveniently, the lower end of the control cabinet is provided with a traveling wheel.
The utility model has the advantages that: due to the fact that the exhaust gas temperature and pressure sensor, the NOx sensor and the CO gas measuring sensor are arranged in the tail gas system pipeline in the test room, the exhaust gas emission components of the engine in the tail gas system pipeline can be monitored in real time.
The smoke exhaust fan is controlled through the frequency converter, the stability of pipeline pressure under different engine working conditions is guaranteed, the pipeline pressure of a tail gas system is constant, and the normal exhaust back pressure of the engine is not affected.
The utility model discloses novel structure, reasonable in design ensure that the engine can in time indicate when exhaust emission appears in the test process and exceeds standard to corresponding treatment measures are in time taken to the convenience of customers.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure inside the pipeline of the middle exhaust system of the present invention;
fig. 3 is a flowchart of the present invention.
In the figure: a control cabinet 1; a temperature and pressure data processing module 2; an industrial computer 3; a frequency converter 4; a power supply 5; a display 6; a flue gas temperature and pressure sensor 7; an upper computer control signal interface 8; a NOx sensor 9; a CO gas measurement sensor 10; a smoke exhaust fan 11; an exhaust system line 12.
Detailed Description
Example 1:
as shown in fig. 1-3, this embodiment provides a real-time tracking system for exhaust gas post-treatment in an engine test room, which includes a control cabinet 1, and a flue gas temperature and pressure sensor 7, a NOx sensor 9, a CO gas measurement sensor 10 and a flue gas blower 11 which are arranged in a pipeline 12 of an exhaust gas system of the engine test room, wherein a temperature and pressure data processing module 2, an industrial computer 3 and a frequency converter 4 are sequentially arranged in the control cabinet 1 from top to bottom, the industrial computer 3 is a main controller, the flue gas temperature and pressure sensor 7 is electrically connected with the temperature and pressure data processing module 2, the NOx sensor 9 and the CO gas measurement sensor 10 are electrically connected with the industrial computer 3, a display 6 is arranged on the control cabinet 1, the display 6 is electrically connected with the industrial computer 3, the temperature and pressure data processing module 2 controls the frequency converter 4 through a DO and AO channel, the frequency converter 4 is electrically connected with the smoke exhaust fan 11.
Due to the fact that the exhaust gas temperature and pressure sensor 7, the NOx sensor 9 and the CO gas measuring sensor 10 are arranged in the tail gas system pipeline 12 in the test room, the exhaust gas emission components of the engine in the tail gas system pipeline 12 can be monitored in real time.
The smoke exhaust fan 11 is controlled through the frequency converter 4, the stability of the pipeline pressure under different engine working conditions is guaranteed, the pressure of the tail gas system pipeline 12 is constant, and the normal exhaust back pressure of the engine is not affected.
The utility model discloses novel structure, reasonable in design ensure that the engine can in time indicate when exhaust emission appears in the test process and exceeds standard to corresponding treatment measures are in time taken to the convenience of customers.
The device also comprises an upper computer control signal interface 8, wherein the upper computer control signal interface 8 is electrically connected with the temperature and pressure data processing module 2. An upper computer control signal interface 8 is reserved, linkage control can be performed with an engine test control system, the smoke exhaust fan 11 is started/stopped in time, energy consumption is reduced, and the service life of the smoke exhaust fan 11 is prolonged.
In order to know the monitoring information in real time, the exhaust gas temperature and pressure sensor 7, the NOx sensor 9 and the CO gas measuring sensor 10 measure the state of the pipeline 12 of the exhaust system in real time and display the state on the display 6 through the industrial computer 3 in real time.
The frequency converter 4 controls the smoke exhaust fan 11 to ensure the stability of the pressure in the tail gas system pipeline 12 under different engine working conditions.
A power supply 5 for supplying power to the system is arranged in the control cabinet 1. In order to move conveniently, the lower end of the control cabinet 1 is provided with a travelling wheel.
The working process of the system is as follows:
1. after the system is powered on, alarm values of all measurements need to be set;
2. when the power is firstly powered on, the set value of the control pressure of the smoke exhaust fan 11 needs to be set;
3. selecting a system working mode: the upper computer is controlled automatically/manually,
the upper computer automatically controls the mode:
after receiving a starting signal of the upper computer, the system starts the smoke exhaust fan 11 to operate, carries out PID control on the output frequency of the frequency converter 4 according to a set pressure value, simultaneously monitors the measured temperature, pressure, NOx measured value and CO measured value, exceeds the alarm setting, and sends out an alarm and records the alarm value.
Manual control mode:
after receiving the manual starting signal, the system starts the smoke exhaust fan 11 to operate, carries out PID control on the output frequency of the frequency converter 4 according to the set pressure value, simultaneously monitors the measured temperature, pressure, NOx measured value and CO measured value, exceeds the alarm setting, and sends out an alarm and records the alarm value.
4. And after the system receives the stop signal of the upper computer or the manual stop signal, the operation of the smoke exhaust fan 11 is stopped, and the measured data is stored.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a real-time tracker of engine test room exhaust aftertreatment which characterized in that: including switch board and the exhaust gas temperature and pressure sensor, NOx sensor, the gaseous measuring transducer of CO and the exhaust fan of setting in the tail gas system pipeline between the engine test, be equipped with temperature and pressure data processing module, converter and industrial computer in the switch board, exhaust gas temperature and pressure sensor are connected with temperature and pressure data processing module electricity, temperature and pressure data processing module, NOx sensor and the gaseous measuring transducer of CO all are connected with industrial computer electricity, be equipped with the display on the switch board, the display is connected with industrial computer electricity, temperature and pressure data processing module are connected with the converter electricity, the converter is connected with exhaust fan electricity.
2. The real-time tracking system for the aftertreatment of the tail gas of the engine laboratory according to claim 1, characterized in that: the temperature and pressure data processing device further comprises an upper computer control signal interface, and the upper computer control signal interface is electrically connected with the temperature and pressure data processing module.
3. The real-time tracking system for the aftertreatment of the tail gas of the engine laboratory according to claim 1, characterized in that: the exhaust gas temperature and pressure sensor, the NOx sensor and the CO gas measuring sensor measure the state of a pipeline of the tail gas system in real time and display the state on the display in real time through the industrial computer.
4. The real-time tracking system for the aftertreatment of the tail gas of the engine laboratory according to claim 1, characterized in that: the frequency converter controls the smoke exhaust fan, and ensures the stability of pressure in the pipeline of the tail gas system under different engine working conditions.
5. The real-time tracking system for the aftertreatment of the tail gas of the engine laboratory according to claim 1, characterized in that: and a power supply for supplying power to the system is arranged in the control cabinet.
6. The real-time tracking system for the aftertreatment of the tail gas of the engine laboratory according to claim 1, characterized in that: and the lower end of the control cabinet is provided with a travelling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580268.9U CN215004277U (en) | 2021-07-12 | 2021-07-12 | Real-time tracking system for tail gas aftertreatment of engine laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580268.9U CN215004277U (en) | 2021-07-12 | 2021-07-12 | Real-time tracking system for tail gas aftertreatment of engine laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215004277U true CN215004277U (en) | 2021-12-03 |
Family
ID=79126162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121580268.9U Active CN215004277U (en) | 2021-07-12 | 2021-07-12 | Real-time tracking system for tail gas aftertreatment of engine laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215004277U (en) |
-
2021
- 2021-07-12 CN CN202121580268.9U patent/CN215004277U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201302565Y (en) | Tail gas analyzer for gasoline and diesel consumed vehicle | |
| CN102116191B (en) | Oxygen sensor aging diagnosing method | |
| CN112798288B (en) | Portable vehicle-mounted remote emission energy consumption measuring system and method for heavy-duty diesel vehicle | |
| WO2015109808A1 (en) | Automobile carbon emission extraction method, device and system | |
| CN111668517B (en) | Intelligent reminding method for air filter replacement of hydrogen engine | |
| CN215004277U (en) | Real-time tracking system for tail gas aftertreatment of engine laboratory | |
| CN109681323A (en) | Hydrogen-rich carbon remover machine with safety control system | |
| CN101169090B (en) | Method to detect a contaminated fuel injector | |
| CN101749135A (en) | Vehicle exhaust emission control technology | |
| CN110450605B (en) | Wall-hanging modularization oxygen system suitable for high altitude mine haulage vehicle | |
| CA1094348A (en) | Thermal reactor/catalytic converter efficiency determination method | |
| CN102575557B (en) | Diagnostic method and apparatus for thermal regenerator after-treatment device | |
| CN206465855U (en) | Car and boat saving pipe controlled platform | |
| CN212209666U (en) | Fuel cell air intake system | |
| CN201891527U (en) | Control device for controlling emission of nitrogen oxides of internal-combustion engine | |
| CN221572480U (en) | Performance test bench for tail gas sensor for altitude simulation vehicle | |
| US20010014298A1 (en) | Exhaust-gas cleaning installation and process for the catalytic reduction of the level of pollutant in exhaust gas from a combustion system | |
| US4164142A (en) | Method for setting side to side carburetor balance | |
| CN212807958U (en) | Shunting automobile diesel engine tail gas smoke intensity on-line measuring device | |
| CN207686814U (en) | A kind of novel automobile urea purifier detecting system | |
| CN213205840U (en) | Explosion-proof system of hydrogen fuel engine for vehicle | |
| CN114594218A (en) | Automobile carbon emission detection device and detection method thereof | |
| CN117607370A (en) | Performance test bench and test method for tail gas sensor for altitude simulation vehicle | |
| CN213749077U (en) | DPF test bench and DPF test system | |
| CN110823591A (en) | Detection system for desorption flow of high-load pipeline of automobile carbon tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |