CN203688531U - Tail gas detector for light-duty gasoline vehicle under simple transient operating mode - Google Patents
Tail gas detector for light-duty gasoline vehicle under simple transient operating mode Download PDFInfo
- Publication number
- CN203688531U CN203688531U CN201420001516.3U CN201420001516U CN203688531U CN 203688531 U CN203688531 U CN 203688531U CN 201420001516 U CN201420001516 U CN 201420001516U CN 203688531 U CN203688531 U CN 203688531U
- Authority
- CN
- China
- Prior art keywords
- dynamometer
- eddy current
- tail gas
- light
- operating mode
- 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.)
- Expired - Lifetime
Links
- 230000001052 transient effect Effects 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 34
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 239000000523 sample Substances 0.000 claims description 15
- 235000019504 cigarettes Nutrition 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 9
- 238000010790 dilution Methods 0.000 claims description 8
- 239000012895 dilution Substances 0.000 claims description 8
- 235000019506 cigar Nutrition 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model provides a tail gas detector for a light-duty gasoline vehicle under a simple transient operating mode. The tail gas detector comprises a chassis dynamometer, a quality analyzing system and a main control computer, wherein the chassis dynamometer and the tail gas quality analyzing system are respectively in communication connection with the main control computer; an eddy current dynamometer used for applying brake power is arranged in the chassis dynamometer; the tail gas detector also comprises a temperature sensor and an eddy current dynamometer cooling fan; the cooling fan is mounted on one side of the eddy current dynamometer; the temperature sensor is arranged on the eddy current dynamometer; the temperature sensor is in communication connection with the eddy current dynamometer cooling fan. By adding a cooling system on the original basis, the condition of overlarge error in data detection caused by superheat of the self temperature in long working time can be avoided.
Description
Technical field
The utility model relates to tail-gas from gasoline automobiles pick-up unit, relates in particular to a kind of tail gas detector for light-duty gasoline motor car under short transient operating mode.
Background technology
In the prior art, domestic employing directly exists from the light-duty diesel vehicle underlug-down mode smoke intensity pick-up unit of other configurations of external import that to detect the operating mode duration long, the maximum wheel power error of scanning is large, smoke intensity detects the problem of poor repeatability, in order to overcome the above problems, Beijing Jinkaixing Science and Technology Co. Ltd is called " light-duty diesel vehicle underlug-down mode smoke intensity pick-up unit " with regard to utility model name, the patent No. has been submitted patented claim for " 03265941.5 " to State Patent Office, it discloses following technical scheme tail gas detector for light-duty gasoline motor car under short transient operating mode, comprise chassis dynamometer, quality analysis system and main control computer, described chassis dynamometer and described tail-gas quality analytic system communicate to connect with described main control computer respectively, described chassis dynamometer absorption maximum power is 200kW, the highest test speed of a motor vehicle is 200km/h, mechanical rotation inertia is 907kg, test axle weighs 2.7 tons, drive motor power is 2.5kW, diameter of cylinder is 217mm, , flowmeter and engine speed meter that described tail-gas quality analytic system comprises gas analyzer, is connected with described gas analyzer, described gas analyzer have through flexible pipe coupled, can extend the probe that is placed in detected tailstock tracheae, described flowmeter have through dilution air coupled, can extend to tested automobile tail gas pipe near dilution flexible pipe, described engine speed meter has the speed probe being contained on tested car engine ignition circuit, in described chassis dynamometer, be provided with the eddy current absorption dynamometer for applying braking power.But find after using, this tail gas detector for light-duty gasoline motor car under short transient operating mode is in the time using too frequently, the data time error that later stage is measured tested automobile is larger, trace it to its cause, because eddy current absorption dynamometer is because the long temperature that causes of working time raises in chassis dynamometer, temperature raises and causes himself power attenuation increase, therefore causes measurement data to occur larger error.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide one can measure for a long time and measure more accurate tail gas detector for light-duty gasoline motor car under short transient operating mode.
For achieving the above object, the utility model provides a kind of tail gas detector for light-duty gasoline motor car under short transient operating mode, comprise chassis dynamometer, quality analysis system and main control computer, described chassis dynamometer and described tail-gas quality analytic system communicate to connect with described main control computer respectively, described chassis dynamometer absorption maximum power is 200kW, the highest test speed of a motor vehicle is 200km/h, mechanical rotation inertia is 907kg, test axle weighs 2.7 tons, drive motor power is 2.5kW, and diameter of cylinder is 217mm; ; Flowmeter and engine speed meter that described tail-gas quality analytic system comprises gas analyzer, is connected with described gas analyzer; Described gas analyzer have through flexible pipe coupled, can extend the probe that is placed in detected tailstock tracheae; Described flowmeter have through dilution air coupled, can extend to tested automobile tail gas pipe near dilution flexible pipe; In described chassis dynamometer, be provided with the eddy current absorption dynamometer for applying braking power, also comprise temperature sensor and eddy current absorption dynamometer cooling fan, described cooling fan is arranged on a side of described eddy current absorption dynamometer, described temperature sensor is arranged on described eddy current absorption dynamometer, described temperature sensor and the communication connection of described eddy current absorption dynamometer cooling fan.
Preferably, described engine speed meter comprises rotating speed card and magnet adsorption vibration-type speed probe, described magnet adsorption vibration-type speed probe is arranged on the bonnet or engine sump tank of tested automobile, and described rotating speed card is arranged in described five gas analyzers.
Preferably, described engine speed meter comprises rotating speed card and voltage fluctuation cigarette holder formula velocity gauge, and described voltage fluctuation cigarette holder formula velocity gauge is connected with the cigar lighter of tested automobile, and described rotating speed card is arranged in described five gas analyzers.
Preferably, described high-power light-duty load chassis dynamometer comprises framework and the left master rotor on framework, right master rotor, right auxiliary cylinder and left auxiliary cylinder by bearings, described left master rotor is connected by shaft coupling with described right master rotor, described right auxiliary cylinder is connected with described shaft coupling by drive motor with described left auxiliary cylinder, described right master rotor is connected by toothed belt transmission with described right auxiliary cylinder, is connected by mechanical flywheel for the described eddy current absorption dynamometer that applies braking power with shaft coupling with described right master rotor.
Preferably, described shaft coupling and described shaft coupling are rubber and are flexible coupling.
The tail gas detector for light-duty gasoline motor car under short transient operating mode that the utility model provides has increased cooling system on the original basis, makes self temperature can not cause overheatedly due to longevity of service, and then causes Data Detection to occur the situation that error is excessive; Adopt cigarette holder formula velocity gauge or vibration-type velocity gauge for universal car of new model, be more prone to carry out smoke intensity detection; Adopt odontoid belt effectively to prevent in measuring process, the generation of skidding; Rubber is flexible coupling and has effectively solved the mechanical excessive problem of noise while application that is firmly connected to.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model tail gas detector for light-duty gasoline motor car under short transient operating mode;
Fig. 2 is the structural representation of the chassis dynamometer of the utility model tail gas detector for light-duty gasoline motor car under short transient operating mode;
Fig. 3 is the structural representation of the odontoid belt of the utility model tail gas detector for light-duty gasoline motor car under short transient operating mode.
In figure; 1-cooling fan, 2-five gas analyzers, 3-flexible pipe, 4-temperature sensor, 5-chassis dynamometer, 6-eddy current absorption dynamometer, 7-drive motor, 801,802,803-shaft coupling, 804-shaft coupling, the tested automobile of 9-, 10-framework, 11-main control computer, 12-rotating speed card, 13-flowmeter, 14-tail-gas quality analytic system, the left master rotor of 15-, the right master rotor of 16-, the left auxiliary cylinder of 17-, the right auxiliary cylinder of 18-, 19-odontoid belt.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further;
Please refer to Fig. 1, Fig. 1 is the structural representation of the utility model tail gas detector for light-duty gasoline motor car under short transient operating mode.
A kind of tail gas detector for light-duty gasoline motor car under short transient operating mode, comprise chassis dynamometer 5, quality analysis system and main control computer 11, described chassis dynamometer 5 and described tail-gas quality analytic system 14 communicate to connect with described main control computer 11 respectively, described chassis dynamometer 5 absorption maximum power are 200kW, the highest test speed of a motor vehicle is 200km/h, and mechanical rotation inertia is 907kg, and test axle weighs 2.7 tons, drive motor 7 power are 2.5kW, and diameter of cylinder is 217mm; ; Flowmeter 13 and engine speed meter that described tail-gas quality analytic system 14 comprises gas analyzer, is connected with described gas analyzer; Described gas analyzer have through flexible pipe 3 coupled, can extend the probe that is placed in detected tailstock tracheae; Described flowmeter 13 have through dilution air coupled, can extend to tested automobile 9 offgas duct near dilution flexible pipe 3; In described chassis dynamometer 5, be provided with the eddy current absorption dynamometer 6 for applying braking power, also comprise temperature sensor 4 and eddy current absorption dynamometer 6 cooling fans 1, described cooling fan 1 is arranged on a side of described eddy current absorption dynamometer 6, described temperature sensor 4 is arranged on described eddy current absorption dynamometer 6, and described temperature sensor 4 communicates to connect with described eddy current absorption dynamometer 6 cooling fans 1.When use, the temperature of eddy current absorption dynamometer 6 can rise along with the growth of time, temperature sensor 4 is self temperature of monitoring eddy current absorption dynamometer 6 in real time, in the time that temperature reaches and exceed 60 ℃, temperature sensor 4 sends enabling signal to eddy current absorption dynamometer 6 cooling fans 1, eddy current absorption dynamometer 6 cooling fans 1 are started working, eddy current absorption dynamometer 6 is lowered the temperature, after the temperature of eddy current absorption dynamometer 6 drops to below 60 ℃, eddy current absorption dynamometer 6 cooling fans 1 continue operation and stop operating after 3-5 minute, in the time that temperature meets or exceeds 60 ℃ again, eddy current absorption dynamometer 6 cooling fans 1 again start eddy current absorption dynamometer 6 are cooled.
Engine speed meter can be selected magnet adsorption vibration-type velocity gauge or voltage fluctuation cigarette holder formula velocity gauge, while adopting magnet adsorption vibration-type velocity gauge, engine speed meter comprises rotating speed card 12 and magnet adsorption vibration-type speed probe, described magnet adsorption vibration-type speed probe is arranged on the bonnet or engine sump tank of tested automobile 9, described rotating speed card 12 is arranged in described five gas analyzers 2, the vibrations sampling causing when to engine rotation, and then the speed conditions that calculates engine is carried out follow-up smoke intensity detection, in the time adopting voltage fluctuation cigarette holder formula velocity gauge, described voltage fluctuation cigarette holder formula speed probe is connected with the cigar lighter of tested automobile 9, voltage fluctuation when to engine rotation is sampled, and then the speed conditions that calculates engine is carried out follow-up smoke intensity and is detected and (in accompanying drawing, omitted magnet adsorption vibration-type speed probe, with tested automobile 9 engine sump tanks, the schematic diagram of form and the schematic diagram that voltage fluctuation cigarette holder formula speed probe is connected with tested automobile 9 cigar lighters have been set, it arranges form for magnet adsorption vibration-type velocity gauge is adsorbed onto on engine sump tank or by voltage fluctuation cigarette holder formula speed probe and is inserted into cigar lighter socket place).
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of the chassis dynamometer 5 of the utility model tail gas detector for light-duty gasoline motor car under short transient operating mode, and Fig. 3 is the structural representation of the odontoid belt 19 of the utility model tail gas detector for light-duty gasoline motor car under short transient operating mode.
Described chassis dynamometer 5 comprises framework 10 and the left master rotor 15 on framework 10 by bearings, right master rotor 16, right auxiliary cylinder 18 and left auxiliary cylinder 17, described left master rotor 15 is connected by shaft coupling 803 with described right master rotor 16, described right auxiliary cylinder 18 and described left auxiliary cylinder 17 are by drive motor 7 and described shaft coupling 801, 802 connect, described right master rotor 16 is connected by odontoid belt 19 gearings with described right auxiliary cylinder 18, be connected with described right master rotor 16 with shaft coupling 804 by mechanical flywheel for the described eddy current absorption dynamometer 6 that applies braking power, described shaft coupling 801,802,803 and described shaft coupling 804 are rubber and are flexible coupling.Adopt odontoid belt 19 and rubber to be flexible coupling and carry out the driving connection between each portion, the noise that one can effectively reduce chassis dynamometer 5 produces while turning round, two adopt odontoid belt 19 can effectively eliminate each main shaft and cylinder there is skidding in the time rotating, thereby affects test result.
Above-described embodiment is only for the utility model creation example is clearly described, and not the utility model is created the restriction of embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.All any apparent variations of being extended out within spirit of the present utility model and principle or variation are still among the utility model is created the protection domain of claim.
Claims (5)
1. a tail gas detector for light-duty gasoline motor car under short transient operating mode, comprise chassis dynamometer, quality analysis system and main control computer, described chassis dynamometer and described tail-gas quality analytic system communicate to connect with described main control computer respectively, described chassis dynamometer absorption maximum power is 200kW, the highest test speed of a motor vehicle is 200km/h, and mechanical rotation inertia is 907kg, and test axle weighs 2.7 tons, drive motor power is 2.5kW, and diameter of cylinder is 217mm; Flowmeter and engine speed meter that described tail-gas quality analytic system comprises gas analyzer, is connected with described gas analyzer; Described gas analyzer have through flexible pipe coupled, can extend the probe that is placed in detected tailstock tracheae; Described flowmeter have through dilution air coupled, can extend to tested automobile tail gas pipe near dilution flexible pipe; In described chassis dynamometer, be provided with the eddy current absorption dynamometer for applying braking power, it is characterized in that, also comprise temperature sensor and eddy current absorption dynamometer cooling fan, described cooling fan is arranged on a side of described eddy current absorption dynamometer, described temperature sensor is arranged on described eddy current absorption dynamometer, described temperature sensor and the communication connection of described eddy current absorption dynamometer cooling fan.
2. tail gas detector for light-duty gasoline motor car under short transient operating mode according to claim 1, it is characterized in that, described engine speed meter comprises rotating speed card and magnet adsorption vibration-type speed probe, described magnet adsorption vibration-type speed probe is arranged on the bonnet or engine sump tank of tested automobile, and described rotating speed card is arranged in described five gas analyzers.
3. tail gas detector for light-duty gasoline motor car under short transient operating mode according to claim 1, it is characterized in that, described engine speed meter comprises rotating speed card and voltage fluctuation cigarette holder formula velocity gauge, described voltage fluctuation cigarette holder formula velocity gauge is connected with the cigar lighter of tested automobile, and described rotating speed card is arranged in described five gas analyzers.
4. according to the arbitrary described tail gas detector for light-duty gasoline motor car under short transient operating mode of claim 1-3, it is characterized in that, described high-power light-duty load chassis dynamometer comprises framework and the left master rotor on framework by bearings, right master rotor, right auxiliary cylinder and left auxiliary cylinder, described left master rotor is connected by shaft coupling with described right master rotor, described right auxiliary cylinder is connected with described shaft coupling by drive motor with described left auxiliary cylinder, described right master rotor is connected by toothed belt transmission with described right auxiliary cylinder, be connected with described right master rotor with shaft coupling by mechanical flywheel for the described eddy current absorption dynamometer that applies braking power.
5. tail gas detector for light-duty gasoline motor car under short transient operating mode according to claim 4, is characterized in that, described shaft coupling and described shaft coupling are rubber and are flexible coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001516.3U CN203688531U (en) | 2014-01-02 | 2014-01-02 | Tail gas detector for light-duty gasoline vehicle under simple transient operating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001516.3U CN203688531U (en) | 2014-01-02 | 2014-01-02 | Tail gas detector for light-duty gasoline vehicle under simple transient operating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688531U true CN203688531U (en) | 2014-07-02 |
Family
ID=51010416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420001516.3U Expired - Lifetime CN203688531U (en) | 2014-01-02 | 2014-01-02 | Tail gas detector for light-duty gasoline vehicle under simple transient operating mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706856A (en) * | 2017-01-05 | 2017-05-24 | 贵州中航交通科技有限公司 | Automobile exhaust gas detection workshop |
-
2014
- 2014-01-02 CN CN201420001516.3U patent/CN203688531U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706856A (en) * | 2017-01-05 | 2017-05-24 | 贵州中航交通科技有限公司 | Automobile exhaust gas detection workshop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102564487B (en) | Automobile sensor detection equipment and method for detecting performance of sensor by utilizing same | |
| CN103940959A (en) | Automobile tail gas detection system based on RFID (Radio Frequency Identification) | |
| CN104880322A (en) | Test method applied to vehicle driving machinery resistance | |
| CN105628378A (en) | Gear dynamic stress test device | |
| CN206281648U (en) | Multi-functional electric transmission testing stand | |
| CN203643431U (en) | Light-duty gasoline vehicle steady loading condition pollutant discharge monitoring device | |
| CN102004035B (en) | Vehicle speed signal simulation method for benchmarking test of engine bench | |
| CN202614367U (en) | Fault diagnosis apparatus for induced draught fan | |
| CN203241191U (en) | An apparatus used for calibrating a chassis dynamometer | |
| CN203688531U (en) | Tail gas detector for light-duty gasoline vehicle under simple transient operating mode | |
| CN203688233U (en) | Medium gasoline vehicle simple transient condition exhaust gas detection device | |
| CN207423537U (en) | A kind of automobile safety testing system | |
| CN108572077A (en) | A kind of automobile engine detecting system | |
| CN102759632B (en) | Device and method for measuring rotational speed of engine based on differential pressure signals of exhaust back pressure | |
| CN204575672U (en) | A kind of non-contact engine knotmeter | |
| CN205067701U (en) | Drive motor of an electric vehicle's testing arrangement | |
| CN203643432U (en) | Light-duty diesel vehicle loading reducing condition smoke density detection device | |
| CN203688533U (en) | Steady-state loaded mode pollutant discharge monitoring device for medium-sized gasoline car | |
| CN203616644U (en) | Portable LKJ monitoring system tester | |
| CN203688534U (en) | Smoke detection device for medium-size diesel vehicle under loaded and decelerated operating mode | |
| CN204241346U (en) | Vehicle-mounted air quality monitoring module | |
| CN203688532U (en) | Loaded deceleration mode smoke detection device for heavy-duty diesel car | |
| CN103398845A (en) | Durability experiment device | |
| CN201348563Y (en) | Vibration measurement testing equipment | |
| CN203439025U (en) | Property detection device of trailer pneumatic braking pressure regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |