CN202255881U - Environment-friendly detection system for motor vehicle - Google Patents
Environment-friendly detection system for motor vehicle Download PDFInfo
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- CN202255881U CN202255881U CN2011204098481U CN201120409848U CN202255881U CN 202255881 U CN202255881 U CN 202255881U CN 2011204098481 U CN2011204098481 U CN 2011204098481U CN 201120409848 U CN201120409848 U CN 201120409848U CN 202255881 U CN202255881 U CN 202255881U
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- motor vehicle
- gas
- analyzer
- chassis dynamometer
- tube
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Abstract
The utility model discloses an environment-friendly detection system for a motor vehicle, which comprises a chassis dynamometer, an exhaust analyzer, a flow analyzer, a light-proof smoke meter and a computer control system, wherein the chassis dynamometer is used for simulating a transient working condition load of the motor vehicle running on a road and measuring a velocity of the current motor vehicle to be detected in real time; the exhaust analyzer directly obtains a concentration value of a gas originally exhausted by tail gas of the motor vehicle to be detected and is used for carrying out correction and humidity measurement and calculation on the measured concentration value; the flow analyzer is used for sucking residual tail gas exhausted by the motor vehicle to be detected and surrounding environment air, calculating a dilution ratio of oxygen in the gas, and obtaining a standard volume flow through temperature and pressure correction; the light-proof smoke meter is used for measuring smoke in the waste gas exhausted by the motor vehicle. The utility model has the advantages of more complete measuring working conditions, no need of disassembly to the motor vehicle, time and labor saving, convenience for operation, solving of the technical problems of complex operation and long detection period in the traditional detection method, simple structure, accuracy and reliability, and low cost.
Description
Technical field
The utility model relates to the motor vehicle detecting technical field, particularly motor vehicle environmental protection tests system.
Background technology
The auto exhaust pick-up unit comprises idling method pick-up unit and stable state loading condition pick-up unit at present, and wherein idling method pick-up unit is to detect the vehicle no-load, and under idling operation, accomplishes, and detects not accurate enough; What stable state loading condition pick-up unit detected is a kind of operating mode that load is arranged, but has only two cruising modes, can not the actual condition of complete reaction automobile when travels down.
To sum up, existing Automobile Detection method also has many incomplete places, and detection time is long, and complicated operation requires to be unfavorable for the popularization of environmental protection tests than higher to operating personnel's level professional technology; The standard of environmental protection tests is also poor in practice in accuracy and operability at present, causes each comprehensive inspection to stand in the environmental protection tests aspect and just inspects by random samples or do not examine, and detection can't be implemented, let alone the supervision and management of administrative authority.
Summary of the invention
The utility model provides a kind of simple to operate, detection system of simple transient behavior auto exhaust accurately and reliably in order to solve the technical matters of complicated operation in the conventional detection, sense cycle length.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of motor vehicle environmental protection tests system comprises:
Chassis dynamometer is used for the transient condition load of simulating vehicle in travels down, and measures the current speed of a motor vehicle of being examined motor vehicle in real time;
Exhaust gas analyzer directly obtains to be examined the concentration value of the gas of the original discharge of motor-vehicle tail-gas, and the concentration value that records is revised with humidity calculate;
Traffic analyzer is used for being sucked examining remaining tail gas of vehicular emission and ambient air, calculates the dilution ratio of oxygen in the gas, and through temperature, pressure correction, obtains the standard volume flow;
Opacity smoke meter, the instrument of smoke intensity in the mensuration automobile combustion gas; With
Computer control system; Control interface connects chassis dynamometer, exhaust gas analyzer, opacity smoke meter and traffic analyzer, be used to receive chassis dynamometer, exhaust gas analyzer, opacity smoke meter and traffic analyzer the detection data, and indication examined motor vehicle, chassis dynamometer, exhaust gas analyzer, opacity smoke meter and traffic analyzer and accomplish according to the order of sequence and detect action.
Among the utility model embodiment; Said chassis dynamometer comprises a frame, a device for power absorption, two cylinder group, a lifting jack, a drive motor and a flywheel; Each cylinder group includes two cylinders that link to each other through shaft coupling; Wherein a series cylinder connects the device for power absorption setting through flywheel, and another series cylinder links to each other with drive motor, and lifting jack links to each other with two series cylinders through chain kit simultaneously.
Among the utility model embodiment; Said traffic analyzer comprises draft tube, air exhauster, flow tube and the escape pipe that connects successively; Wherein draft tube links to each other with the gas outlet of being examined motor vehicle, and flow tube inside is provided with flow-disturbing bar, ultrasonic sensor, zirconium oxide oxygen sensor, temperature sensor and pressure transducer, and it also comprises air chamber; And being provided with air intake opening and gas outlet, air intake opening and gas outlet and flow tube are conducted.
Among the utility model embodiment; Said exhaust gas analyzer comprises two sampling probes, two stopple coupons and an appearance gas preprocessor; Sampling probe is arranged on the stopple coupon front end; Stopple coupon is terminal to connect pretreated tube one end through a tee pipe coupling, and this pretreated tube other end links to each other with appearance gas preprocessor, and pretreated tube is provided with a fore filter and condenser.
Among the utility model embodiment; Opacity smoke meter comprises ST, slave computer and host computer; Slave computer is provided with stopple coupon mounting hole and cable mounting hole, the terminal stopple coupon mounting hole that connects slave computer of stopple coupon, and slave computer links to each other with host computer through communication cable.
The beneficial effect of the utility model: the test operating mode is more comprehensive; Need not automobile is carried out dismounting, time saving and energy saving and be convenient to operation, solved complicated operation in the conventional detection, technical matters that sense cycle is long; Total system is simple in structure, accurately and reliably, with low cost.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of exhaust gas analyzer.
Fig. 3 is the structural representation of sampling probe.
Fig. 4 is the structural representation of traffic analyzer.
Fig. 5 is the main TV structure synoptic diagram of chassis dynamometer.
Fig. 6 is the structural representation of opacity smoke meter.
Fig. 7 is the structural representation of slave computer.
A, traffic analyzer among the figure, B, computer control system, C, exhaust gas analyzer, D, opacity smoke meter, are examined motor vehicle, F, chassis dynamometer at E;
1, sampling probe, 2, stopple coupon, 3, tee pipe coupling, 4, fore filter, 5, appearance gas preprocessor, 6, condenser; 7, stop means, 8, air exhauster, 9, flow tube, 10, the flow-disturbing bar, 11, ultrasonic sensor, 12, temperature sensor; 13, air chamber, 14, gas outlet, 15, zirconium oxide oxygen sensor, 16, draft tube, 17, device for power absorption; 18, drive motor, 19, flywheel, 20, frame, 21, cylinder group, 22, shaft coupling; 23, lifting jack, 24, chain kit, 25, ST, 26, device for power absorption, 27, cable; 28, host computer, 29, the cable mounting hole, 30, the stopple coupon mounting hole, 31, air intake opening, 32, the gas outlet.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is explained further details, following explanation only is exemplary.
With reference to accompanying drawing 1, motor vehicle environmental protection tests system comprises: chassis dynamometer F is used for the transient condition load of simulating vehicle in travels down, and measures the current speed of a motor vehicle of being examined motor vehicle in real time; Exhaust gas analyzer C directly obtains to be examined the concentration value of the gas of the original discharge of motor-vehicle tail-gas, and the concentration value that records is revised with humidity calculate; Traffic analyzer A is used for being sucked examining remaining tail gas of vehicular emission and ambient air, calculates the dilution ratio of oxygen in the gas, and through temperature, pressure correction, obtains the standard volume flow; Opacity smoke meter D, the instrument of smoke intensity in the mensuration automobile combustion gas; With computer control system B; Control interface connects chassis dynamometer F, exhaust gas analyzer C, opacity smoke meter D and traffic analyzer A, be used to receive chassis dynamometer F, exhaust gas analyzer C, opacity smoke meter D and traffic analyzer A the detection data, and indication examined motor vehicle E, chassis dynamometer F, exhaust gas analyzer C, opacity smoke meter D and traffic analyzer A and accomplish according to the order of sequence and detect action.
Comprise a frame 20, device for power absorption 17, two cylinder group 21, lifting jack 23, a drive motor 18 and a flywheel 19 with reference to accompanying drawing 5 said chassis dynamometers; Each cylinder group includes two cylinders that link to each other through shaft coupling 22; Wherein a series cylinder connects device for power absorption 17 settings through flywheel; Another series cylinder links to each other with drive motor 18; Lifting jack 23 links to each other with two series cylinders through chain kit 24 simultaneously, and it also includes two stop means 7 that are arranged on frame 20 tops.
With reference to accompanying drawing 2 and 3; Said exhaust gas analyzer comprises two sampling 1, two stopple coupons 2 of spy and an appearance gas preprocessor 5; Sampling probe 1 is arranged on stopple coupon 2 front ends; Stopple coupon 2 is terminal through pretreated tube one end of a tee pipe coupling 3 connections, and this pretreated tube other end links to each other with appearance gas preprocessor 5, and pretreated tube is provided with a fore filter 4 and condenser 6.
With reference to accompanying drawing 6,7; Opacity smoke meter comprises ST 25, slave computer 26 and host computer 28; Slave computer 26 is provided with stopple coupon mounting hole 30 and cable mounting hole 29, the terminal stopple coupon mounting hole that connects slave computer of stopple coupon, and slave computer links to each other with host computer 28 through communication cable 27.
Above embodiment only be used to explain the utility model technical scheme but not to its restriction; Although the utility model is specified through embodiment; Under the field personnel should make amendment or the part technical characterictic is equal to replacement with reference to the concrete mode of the utility model; But under the spirit that does not break away from the utility model technical scheme, above-mentioned change or be equal to replacement and should belong in the technical scheme scope that the utility model asks for protection.
Claims (5)
1. a motor vehicle environmental protection tests system is characterized in that, comprising:
Chassis dynamometer is used for the transient condition load of simulating vehicle in travels down, and measures the current speed of a motor vehicle of being examined motor vehicle in real time;
Exhaust gas analyzer directly obtains to be examined the concentration value of the gas of the original discharge of motor-vehicle tail-gas, and the concentration value that records is revised with humidity calculate;
Traffic analyzer is used for being sucked examining remaining tail gas of vehicular emission and ambient air, calculates the dilution ratio of oxygen in the gas, and through temperature, pressure correction, obtains the standard volume flow;
Opacity smoke meter, the instrument of smoke intensity in the mensuration automobile combustion gas; With
Computer control system; Control interface connects chassis dynamometer, exhaust gas analyzer, opacity smoke meter and traffic analyzer, be used to receive chassis dynamometer, exhaust gas analyzer, opacity smoke meter and traffic analyzer the detection data, and indication examined motor vehicle, chassis dynamometer, exhaust gas analyzer, opacity smoke meter and traffic analyzer and accomplish according to the order of sequence and detect action.
2. according to the said motor vehicle environmental protection tests of claim 1 system; It is characterized in that: said chassis dynamometer comprises a frame, a device for power absorption, two cylinder group, a lifting jack, a drive motor and a flywheel; Each cylinder group includes two cylinders that link to each other through shaft coupling; Wherein a series cylinder connects the device for power absorption setting through flywheel, and another series cylinder links to each other with drive motor, and lifting jack links to each other with two series cylinders through chain kit simultaneously.
3. according to the said motor vehicle environmental protection tests of claim 1 system; It is characterized in that: said traffic analyzer comprises draft tube, air exhauster, flow tube and the escape pipe that connects successively; Wherein draft tube links to each other with the gas outlet of being examined motor vehicle, and flow tube inside is provided with flow-disturbing bar, ultrasonic sensor, zirconium oxide oxygen sensor, temperature sensor and pressure transducer, and it also comprises air chamber; And being provided with air intake opening and gas outlet, air intake opening and gas outlet and flow tube are conducted.
4. according to the said motor vehicle environmental protection tests of claim 1 system; It is characterized in that: said exhaust gas analyzer comprises two sampling probes, two stopple coupons and an appearance gas preprocessor; Sampling probe is arranged on the stopple coupon front end; Stopple coupon is terminal to connect pretreated tube one end through a tee pipe coupling, and this pretreated tube other end links to each other with appearance gas preprocessor, and pretreated tube is provided with a fore filter and condenser.
5. according to any said motor vehicle environmental protection tests system of claim 1 to 4; It is characterized in that: opacity smoke meter comprises ST, slave computer and host computer; Slave computer is provided with stopple coupon mounting hole and cable mounting hole; The terminal stopple coupon mounting hole that connects slave computer of stopple coupon, slave computer links to each other with host computer through communication cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204098481U CN202255881U (en) | 2011-10-25 | 2011-10-25 | Environment-friendly detection system for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204098481U CN202255881U (en) | 2011-10-25 | 2011-10-25 | Environment-friendly detection system for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255881U true CN202255881U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204098481U Expired - Fee Related CN202255881U (en) | 2011-10-25 | 2011-10-25 | Environment-friendly detection system for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202255881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277397A (en) * | 2015-11-27 | 2016-01-27 | 堀场仪器（上海）有限公司 | Vehicle tail gas collection device as well as vehicle tail gas detection system and method |
| CN108613818A (en) * | 2018-07-12 | 2018-10-02 | 西华大学 | A kind of inspection of motor vehicle ring complete road analogy detection device and method |
-
2011
- 2011-10-25 CN CN2011204098481U patent/CN202255881U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277397A (en) * | 2015-11-27 | 2016-01-27 | 堀场仪器（上海）有限公司 | Vehicle tail gas collection device as well as vehicle tail gas detection system and method |
| CN108613818A (en) * | 2018-07-12 | 2018-10-02 | 西华大学 | A kind of inspection of motor vehicle ring complete road analogy detection device and method |
| CN108613818B (en) * | 2018-07-12 | 2019-10-18 | 西华大学 | A kind of inspection of motor vehicle ring complete road analogy detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |