CN203688233U - Medium gasoline vehicle simple transient condition exhaust gas detection device - Google Patents
Medium gasoline vehicle simple transient condition exhaust gas detection device Download PDFInfo
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- CN203688233U CN203688233U CN201420001999.7U CN201420001999U CN203688233U CN 203688233 U CN203688233 U CN 203688233U CN 201420001999 U CN201420001999 U CN 201420001999U CN 203688233 U CN203688233 U CN 203688233U
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- dynamometer
- eddy current
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- current absorption
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- 230000001052 transient effect Effects 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 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
- 230000003534 oscillatory effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000013021 overheating Methods 0.000 abstract 1
- 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
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Abstract
The utility model provides a medium gasoline vehicle simple transient condition exhaust gas detection device which comprises a chassis dynamometer, a quality analysis system and a main control computer. The chassis dynamometer and the exhaust gas quality analysis system are communicated and connected with the main control computer respectively. The chassis dynamometer is internally provided with an eddy current dynamometer used for applying braking power. The medium gasoline vehicle simple transient condition exhaust gas detection device also comprises a temperature sensor and an eddy current dynamometer cooling fan installed at one side of the eddy current dynamometer. The temperature sensor is arranged on the eddy current dynamometer and is communicated and connected with the eddy current dynamometer cooling fan. According to the medium gasoline vehicle simple transient condition exhaust gas detection device, a cooling system is added on the original basis, thus the overheating of the device due to long working time is avoided, and a larger error of data detection is avoided.
Description
Technical field
The utility model relates to tail-gas from gasoline automobiles pick-up unit, relates in particular to a kind of medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit.
Background technology
In the prior art, domestic employing directly exists from the medium-size 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 " medium-size 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 " 03265939.3 " to State Patent Office, it discloses the medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of following technical scheme, 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 and its necklace, can extend the probe that is placed in detected tailstock tracheae, described flowmeter have through dilution air coupled, can extend to tested vehicle offgas duct near dilution flexible pipe, described engine speed meter has the speed probe being contained on tested vehicle engine ignition circuit, in described chassis dynamometer, be provided with the eddy current absorption dynamometer for applying braking power.But find after using, this medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit is in the time using too frequently, the data time error that later stage is measured tested vehicle 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 medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit.
For achieving the above object, the utility model provides a kind of medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit, handbag is drawn together 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 5.5 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 and its necklace, can extend the probe that is placed in detected tailstock tracheae; Described flowmeter have through dilution air coupled, can extend to tested vehicle offgas duct 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 oscillatory type speed probe, described magnet adsorption oscillatory type speed probe is arranged on the bonnet or engine sump tank of tested vehicle, and described rotating speed card is arranged in described gas analyzer.
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 vehicle, and described rotating speed card is arranged in described gas analyzer.
Preferably, 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 medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit 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 tachometer 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 effectively to have solved the mechanical when application noise of being firmly connected to excessive
U20130216 problem.
Brief description of the drawings
Fig. 1 is the structural representation of the medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of the utility model;
Fig. 2 is the structural representation of the chassis dynamometer of the medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of the utility model;
Fig. 3 is the structural representation of the odontoid belt of the medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of the utility model.
In figure; 1-cooling fan, 2-gas analyzer, 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 medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of the utility model.
A kind of medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit, 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 5.5 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 DEG C, 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 DEG C, 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 DEG C 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 gas analyzer 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 medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of the utility model, and Fig. 3 is the structural representation of the odontoid belt 19 of the medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of the utility model.
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. one kind medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit, 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 5.5 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 and its necklace, can extend the probe that is placed in detected tailstock tracheae; Described flowmeter have through dilution air coupled, can extend to tested vehicle offgas duct 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. medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit according to claim 1, it is characterized in that, described engine speed meter comprises rotating speed card and magnet adsorption oscillatory type speed probe, described magnet adsorption oscillatory type speed probe is arranged on the bonnet or engine sump tank of tested vehicle, and described rotating speed card is arranged in described gas analyzer.
3. medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit 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 vehicle, and described rotating speed card is arranged in described gas analyzer.
4. according to the arbitrary described medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit of claim 1-3, it is characterized in that, described 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. medium-sized gasoline vehicle simple transient worknig condition tail gas pick-up unit 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 |
|---|---|---|---|
| CN201420001999.7U CN203688233U (en) | 2014-01-02 | 2014-01-02 | Medium gasoline vehicle simple transient condition exhaust gas detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420001999.7U CN203688233U (en) | 2014-01-02 | 2014-01-02 | Medium gasoline vehicle simple transient condition exhaust gas detection device |
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| Publication Number | Publication Date |
|---|---|
| CN203688233U true CN203688233U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420001999.7U Expired - Lifetime CN203688233U (en) | 2014-01-02 | 2014-01-02 | Medium gasoline vehicle simple transient condition exhaust gas detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004532A (en) * | 2015-08-03 | 2015-10-28 | 广汽本田汽车有限公司 | Automatic conveying device and method for tail gas detection |
-
2014
- 2014-01-02 CN CN201420001999.7U patent/CN203688233U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004532A (en) * | 2015-08-03 | 2015-10-28 | 广汽本田汽车有限公司 | Automatic conveying device and method for tail gas detection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |