Vehicle-mounted diesel engine tail gas detection device
The utility model discloses a vehicle-mounted diesel engine tail gas detection device which comprises a tail gas end normally-closed electromagnetic valve, an air end normally-closed electromagnetic valve, a front-end PM sensor, filter cotton, a flow velocity sensor, a temperature and humidity senso...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a vehicle-mounted diesel engine tail gas detection device which comprises a tail gas end normally-closed electromagnetic valve, an air end normally-closed electromagnetic valve, a front-end PM sensor, filter cotton, a flow velocity sensor, a temperature and humidity sensor, an NOx sensor, a rear-end PM sensor and a sucking pump. The other end is respectively connected with the air end normally closed solenoid valve and the front end PM sensor; the other end of the air end normally closed solenoid valve is connected with an air inlet; the other end of the front-end PM sensor is connected with the filter cotton in the air chamber; a flow velocity sensor, a temperature and humidity sensor, an NOx sensor and a rear-end PM sensor are respectively mounted on the other side of the filter cotton; one end of the rear-end PM sensor is connected with the air extracting pump, and the other end of the air extracting pump is connected to an exhaust hole. The device can realize real-time detectio |
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