CN210626055U - Vehicle double-idling tail gas detection device - Google Patents
Vehicle double-idling tail gas detection device Download PDFInfo
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- CN210626055U CN210626055U CN201922090401.1U CN201922090401U CN210626055U CN 210626055 U CN210626055 U CN 210626055U CN 201922090401 U CN201922090401 U CN 201922090401U CN 210626055 U CN210626055 U CN 210626055U
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Abstract
The utility model provides a two idle speed tail gas detection device of vehicle, include: tail gas analysis appearance is equipped with a plurality of connection port on the tail gas analysis appearance, a connection port and vehicle OBD interface connection, and the tail gas analysis appearance includes: one end of the sampling pipe is connected with one connecting port of the tail gas analyzer, and the other end of the sampling pipe is arranged on a tail pipe of the vehicle; the detection module is connected with the tail gas analyzer and generates a corresponding detection signal; the control module is connected with the tail gas analyzer, receives the detection signal sent by the detection module, sends the detection signal to the vehicle ECU and generates a corresponding control signal to control the rotating speed of the engine to be increased to a high-idle rotating speed, and the high-idle tail gas is detected and analyzed through the tail gas analyzer. The utility model discloses a two idle speed tail gas detection device of vehicle steps on the problem of the high idle speed of control engine that accelerator pedal can not be stable through the manual work when having solved tail gas detection and analysis.
Description
Technical Field
The utility model relates to a vehicle exhaust detects technical field, more specifically relates to a two idle speed tail gas detection device of vehicle.
Background
The comprehensive performance of the vehicle needs to be detected after the vehicle is off-line in a whole vehicle factory, and the detection of the double-idle-speed tail gas of the gasoline vehicle is an important detection item, so that the tail gas emission after the vehicle is off-line can meet the requirements of national standards. When detecting tail gas, a sensor is needed to measure the temperature of engine oil and the rotating speed of the engine, and the rotating speed of the engine is controlled manually in the tail gas detection process by stepping on an accelerator pedal. During high idle speed detection, the engine is required to stably run for a period of time within a high idle speed (2500 +/-100 r/min) so as to meet the condition of high idle speed tail gas detection, but the control of the engine speed and an accelerator pedal of the turbocharged engine is nonlinear due to the intervention of a turbocharger during the high idle speed, the high idle speed cannot be realized by manually stepping on the accelerator pedal, and the tail gas high idle speed detection cannot be realized.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a two idle speed tail gas detection device of vehicle can realize that vehicle turbocharged engine controls when two idle speed of tail gas detect the engine is stable operation under the high idle speed condition, steps on the problem of the high idle speed of control engine that accelerator pedal can not be stable through the manual work when having solved tail gas detection analysis.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses two idle speed tail gas detection device of vehicle for vehicle turbocharged engine controls when two idle speed of tail gas detect the engine is stable operation under the high idle speed condition, two idle speed tail gas detection device include: the tail gas analysis appearance, be equipped with a plurality of connection ports on the tail gas analysis appearance, one connection port and vehicle OBD interface connection, the tail gas analysis appearance includes: one end of the sampling pipe is connected with one connecting port of the tail gas analyzer, and the other end of the sampling pipe is arranged on a tail pipe of the vehicle; the detection module is connected with the tail gas analyzer and generates a corresponding detection signal so as to detect the rotating speed of the vehicle and the temperature of the engine oil; the control module is connected with the tail gas analyzer, receives the detection signal sent by the detection module, and sends the detection signal to the vehicle ECU and generates a corresponding control signal so as to control the rotating speed of the engine to be increased to a high-idle speed.
Further, one of the connection ports of the exhaust gas analyzer is connected with the OBD interface through an OBD communication cable.
Further, the sampling pipe is connected with the tail pipe in an inserting mode.
Further, the detection module includes: one end of the engine rotating speed sensor is connected with one connecting port of the tail gas analyzer, and the other end of the engine rotating speed sensor is arranged on a vehicle storage battery; and one end of the engine oil temperature sensor is connected with one connecting port of the tail gas analyzer, and the other end of the engine oil temperature sensor is arranged in the engine oil gauge pipe.
Further, the engine speed sensor is provided with a positive electrode and a negative electrode corresponding to the battery.
Further, the oil temperature sensor is inserted in the oil level tube.
Further, the control module is formed as an industrial personal computer.
Further, the display module is connected with the control module and is formed into a display.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
the utility model discloses two idle speed tail gas detection device of vehicle can realize that vehicle turbocharged engine controls when two idle speed of tail gas detect the engine is stable operation under the high idle speed condition, steps on the problem of the high idle speed of control engine that accelerator pedal can not be stable through the manual work when having solved tail gas detection and analysis. This two idle speed tail gas detection device of vehicle can realize the control to the engine high idle speed rotational speed through quick simple operation, ensures the normal clear of two idle speed detection of tail gas, has effectively shortened measuring time, promotes work efficiency.
Drawings
Fig. 1 is the utility model discloses vehicle double idle speed tail gas detection device's schematic structure diagram.
Reference numerals:
a double idle tail gas detection device 100;
a tail gas analyzer 10; a sampling tube 11;
a control module 20;
a display module 30;
an OBD communication cable 40;
ECU50；
an engine speed sensor 60;
an oil temperature sensor 70.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The following describes in detail a dual idle tail gas detection apparatus 100 for a vehicle according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 1, the dual-idle exhaust gas detection device 100 of the vehicle according to the embodiment of the present invention includes an exhaust gas analyzer 10, a detection module, a control module 20, and a display module 30.
Specifically, be equipped with a plurality of connection ports on the exhaust gas analyzer 10, a connection port and vehicle OBD interface connection, exhaust gas analyzer 10 includes: sampling pipe 11, sampling pipe 11's one end and a connection port of tail gas analysis appearance 10 are connected and the other end is established on the vehicle tail pipe. The detection module is connected with the exhaust gas analyzer 10 and generates a corresponding detection signal to detect the rotation speed of the vehicle and the temperature of the engine oil. Control module 20 is connected with exhaust gas analyzer 10, and control module 20 receives the detected signal that the detection module sent, and control module 20 sends detected signal to vehicle ECU50 and generates corresponding control signal in order to control engine speed to improve to high idle speed, carries out detection and analysis to high idle speed exhaust through exhaust gas analyzer 10.
In other words, according to the utility model discloses two idle tail gas detection device 100 of vehicle can be used to vehicle turbocharged engine control engine steady operation under the high idle speed condition when two idle detections of tail gas. The vehicle dual-idle-speed exhaust gas detection device 100 mainly comprises an exhaust gas analyzer 10, a detection module, a control module 20 and a display module 30. A plurality of connection ports may be formed On the exhaust gas analyzer 10, wherein one of the connection ports may be connected to an On-Board Diagnostic interface (OBD is an abbreviation of On-Board Diagnostic, and the name in chinese is: a vehicle-mounted automatic Diagnostic system) of the vehicle, and is used to establish data communication between the dual-idle exhaust gas detection apparatus 100 and the vehicle. The tail gas analyzer 10 comprises a sampling pipe 11, one end of the sampling pipe 11 can be connected with one connecting port of the tail gas analyzer 10, the other end of the sampling pipe is arranged on a tail pipe of a vehicle, and the sampling pipe 11 can extract tail gas of the vehicle to the tail gas analysis for tail gas analysis.
A detection module may be connected to the exhaust gas analyzer 10, and the detection module may generate a corresponding detection signal, for example: an engine speed signal and an engine oil temperature signal. The rotation speed and the oil temperature of the vehicle can be detected through the detection module. The control module 20 may be connected to the exhaust gas analyzer 10, the control module 20 may receive a detection signal sent by the detection module, the control module 20 may send the detection signal to the vehicle ECU50 and generate a corresponding control signal (ECU is an abbreviation of electronic control Unit, and is referred to as an electronic control Unit), the engine speed may be controlled to increase to a high idle speed (2500 ± 100r/min) and be maintained through the control signal, and then the high idle speed exhaust gas is detected and analyzed by the exhaust gas analyzer 10.
The double-idle speed tail gas detection device 100 can start a tail gas detection program by scanning a vehicle body bar code, and the double-idle speed tail gas detection device 100 judges whether the engine oil temperature meets the detection requirement, wherein the engine oil temperature is preferably 80 ℃. Then, the dual-idle speed exhaust gas detection device 100 sends a rotation speed control signal to the vehicle ECU50 through the OBD communication port, the control signal can control the engine rotation speed to increase to the high-idle speed (2500 ± 100r/min) and maintain, and the exhaust gas analyzer 10 detects and analyzes the high-idle speed exhaust gas. After the high idle speed detection is completed, the dual idle speed exhaust gas detection device 100 may send a rotation speed control end signal to the vehicle ECU50, and the engine rotation speed is restored to the engine autonomous control, so as to continue to complete the exhaust idle speed detection.
Therefore, the utility model discloses a two idle speed tail gas detection device 100 of vehicle can realize that vehicle turbocharged engine controls when two idle speed of tail gas detect the engine is steady operation under the high idle speed condition, steps on the problem of the high idle speed of control engine that accelerator pedal can not be stable through the manual work when having solved tail gas detection analysis. This two idle speed tail gas detection device of vehicle 100 can realize the control to the engine high idle speed rotational speed through quick simple operation, ensures the normal clear of two idle speed detection of tail gas, has effectively shortened measuring time, promotes work efficiency.
According to an embodiment of the present invention, a connection port of the exhaust gas analyzer 10 is connected to the OBD interface through the OBD communication cable 40. The OBD communication cable 40 may be used to connect the exhaust gas analyzer 10 to the vehicle ECU50 to establish data communication between the dual-idle exhaust gas detection device 100 and the vehicle.
According to the utility model discloses an embodiment, sampling pipe 11 can link to each other with tail pipe grafting, and is easy and simple to handle, and work efficiency is high.
According to one embodiment of the present invention, the detection module includes an engine speed sensor 60 and an engine oil temperature sensor 70.
Specifically, one end of the engine speed sensor 60 is connected to one connection port of the exhaust gas analyzer 10 and the other end is provided on the vehicle battery. One end of the engine oil temperature sensor 70 is connected to one connection port of the exhaust gas analyzer 10 and the other end is disposed in the engine oil level tube.
That is, the detection module is mainly composed of an engine speed sensor 60 and an oil temperature sensor 70. One end of the engine speed sensor 60 may be connected to one connection port of the exhaust gas analyzer 10, and the other end of the engine speed sensor 60 may be mounted on the vehicle battery, specifically, the engine speed sensor 60 may be provided with a positive electrode and a negative electrode corresponding to the battery, and the engine speed sensor may detect the engine speed through a current and generate a corresponding engine speed signal.
One end of the engine oil temperature sensor 70 may be connected to a connection port of the exhaust gas analyzer 10, and the other end of the engine oil temperature sensor 70 may be disposed in an engine oil gauge tube. Preferably, an oil temperature sensor 70 may be inserted in the oil gauge tube, and the oil temperature sensor 70 may detect the engine oil temperature and generate a corresponding oil temperature signal.
According to the utility model discloses an embodiment, control module 20 can adopt the industrial computer, and the industrial computer can be used for functions such as storage detection data, detection procedure setting, motorcycle type parameter setting and data storage and control, and the control of the different motorcycle types of being convenient for is adjusted.
According to the utility model discloses an embodiment can also include display module 30, and display module 30 is connected with control module 20, and display module 30 can adopt the display, and display module 30 can show tail gas testing process and operating procedure, and the display can show tail gas testing process and operating procedure on the screen, and the operating personnel of being convenient for observes.
In a word, the utility model discloses a two idle speed tail gas detection device 100 of vehicle can realize that vehicle turbocharged engine controls when two idle speed of tail gas detect the engine is steady operation under the high idle speed condition, has solved the problem of the high idle speed of control engine that can not be stable through the manual work stepping on accelerator pedal when tail gas detection analysis. This two idle speed tail gas detection device of vehicle 100 can realize the control to the engine high idle speed rotational speed through quick simple operation, ensures the normal clear of two idle speed detection of tail gas, has effectively shortened measuring time, promotes work efficiency.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "illustrative embodiments," "preferred embodiments," "detailed description," or "preferred embodiments" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A vehicle dual-idle exhaust gas detection device for a turbocharged engine of a vehicle to control the engine to operate stably under a high idle speed condition when exhaust gas dual-idle speed is detected, the dual-idle exhaust gas detection device comprising:
the tail gas analysis appearance, be equipped with a plurality of connection ports on the tail gas analysis appearance, one connection port and vehicle OBD interface connection, the tail gas analysis appearance includes: one end of the sampling pipe is connected with one connecting port of the tail gas analyzer, and the other end of the sampling pipe is arranged on a tail pipe of the vehicle;
the detection module is connected with the tail gas analyzer and generates a corresponding detection signal so as to detect the rotating speed of the vehicle and the temperature of the engine oil;
the control module is connected with the tail gas analyzer, receives the detection signal sent by the detection module, and sends the detection signal to the vehicle ECU and generates a corresponding control signal so as to control the rotating speed of the engine to be increased to a high-idle speed.
2. The vehicle dual-idle exhaust detection device of claim 1, wherein one of the connection ports of the exhaust gas analyzer is connected to the OBD interface via an OBD communication cable.
3. The vehicle dual-idle tail gas detection device of claim 1, wherein the sampling pipe is connected with the tail pipe in a plugging manner.
4. The vehicle dual-idle exhaust detection device of claim 1, wherein the detection module comprises:
one end of the engine rotating speed sensor is connected with one connecting port of the tail gas analyzer, and the other end of the engine rotating speed sensor is arranged on a vehicle storage battery;
and one end of the engine oil temperature sensor is connected with one connecting port of the tail gas analyzer, and the other end of the engine oil temperature sensor is arranged in the engine oil gauge pipe.
5. The vehicle dual-idle exhaust gas detection apparatus of claim 4, wherein the engine speed sensor is provided with a positive electrode and a negative electrode corresponding to the battery.
6. The vehicle dual-idle exhaust detection device of claim 4, wherein the oil temperature sensor is inserted in the oil level tube.
7. The vehicle dual-idle exhaust detection device of claim 1, wherein the control module is formed as an industrial personal computer.
8. The vehicle dual-idle exhaust detection device of claim 1, further comprising a display module coupled to the control module, the display module formed as a display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090401.1U CN210626055U (en) | 2019-11-28 | 2019-11-28 | Vehicle double-idling tail gas detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090401.1U CN210626055U (en) | 2019-11-28 | 2019-11-28 | Vehicle double-idling tail gas detection device |
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| CN210626055U true CN210626055U (en) | 2020-05-26 |
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| CN201922090401.1U Active CN210626055U (en) | 2019-11-28 | 2019-11-28 | Vehicle double-idling tail gas detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721733A (en) * | 2020-06-25 | 2020-09-29 | 重庆粟韬科技有限公司 | Automobile exhaust detection device and method based on double-idling method |
| CN112627954A (en) * | 2020-11-03 | 2021-04-09 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
-
2019
- 2019-11-28 CN CN201922090401.1U patent/CN210626055U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721733A (en) * | 2020-06-25 | 2020-09-29 | 重庆粟韬科技有限公司 | Automobile exhaust detection device and method based on double-idling method |
| CN112627954A (en) * | 2020-11-03 | 2021-04-09 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
| CN112627954B (en) * | 2020-11-03 | 2021-10-15 | 台州科技职业学院 | Automatic detection device for automobile exhaust |
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