Automotive device for sampling contaminants of air

 

The invention relates to meteorology and can be used to determine the parameters of contamination by measuring the impurities deposited on the filter surface. Automotive device for sampling contaminants of air contains frame filters, solenoid return spring and the control unit. The device has a running fan, the tip of which is arranged to interact with the framework of the filters. The solenoid is installed with the possibility of axial movement under the action of a return spring. The device has a piston rod of the drum is connected by cable with the load to rotate, and the drum has a rotation limiter on the corner of interacting with the micro control unit, which by means of the timer and the switch controls the axial movement of the drum. Frame with precipitated contaminating particles is placed in the casing. The device is easy to maintain, works offline and ensures accurate measurements of impurities in the samples. 1 Il.

The invention relates to meteorology and can be used to determine the parameters of contamination by measuring the impurities deposited on the it environment, comprising a housing with openings in the lower and upper parts located inside the housing compartment for the sensors and the fan is connected by a pipe with a top opening, a valve disk mounted in the glass, with side vents and horizontal partitions (see SU 1027662 And class. G 01 W 1/00, published. 07.07.1983).

A disadvantage of the known device is stationary mounting of the sensors in difficult to access for maintenance.

A device for sampling contaminants of the air basin, containing the receiver of the air flow connected via a hinge with the rope of the balloon, in the receiver of the air flow installed frame element deposition polluting particles and a tail element and the deposition is made porous (see EN 2008705, CL G 01 W 1/12, published. 28.02.1994).

Known and other automotive device for sampling contaminants of air, which is the closest analogue to the proposed device and containing the filter frames, the solenoid return spring, means for supplying an air stream, means for replacing part of the filter and the control unit (see SU 452765 And class. G 01 N 1/22, published. 15.12.1974).

A disadvantage of this device is nm is the provision of measuring impurities, deposited on the surface of the filter, and the elimination of interaction filters with selected samples with ambient air outside of the atmosphere.

To achieve a technical result in the automotive device for sampling contaminants of air containing the filter frames, the solenoid return spring and the control unit, there is a running fan, the tip of which is arranged to interact with the framework of the filters, the solenoid is installed with the possibility of axial movement under the action of a return spring, and the device has a piston rod of the drum is connected by cable with the load to rotate, and the drum has a rotation limiter on the corner of interacting with the micro control unit, which by means of the timer and the switch controls the axial movement of the drum, at the same time frame with precipitated contaminating particles is placed in the casing.

The drawing shows the proposed device.

The device comprises a means for supplying air flow, made in the form of flow fan 7 with tip, which is made interoperable with part 3 of filters, means for replacing part of the filter, made in the form of a drum, the second spring 9, rod 13, the solenoid 8 in response, the Cam clutch. On the drum 1 mounted frame 3 filters. The drum 1 is connected by a cable 2 with the load 14 for rotation at an angle and has a rotation limiter 5 on the corner. The rotation limiter 5 cooperates with a microswitch, which is included in the control unit 12. The control unit 12 includes a timer 11, which together with micro switch controls the axial movement of the drum 1. The device comprises a rack 4, the protective cover 15 with lids 16, 17.

The operation of the device is as follows. The timer 11 daily generates a signal which is supplied to the solenoid 8. The fan 7 is included in the work. The solenoid 8 acts on the rod 13, which causes the drum 1 to move in the axial direction on the arrow in the drawing to the left. When the spring 9 is compressed and the frame 3 with the filter is released from engagement with the tip flow fan 7. The load 14 is moved and pulls the rope 2, the drum 1 is rotated at an angle to the interaction of the rack 4 with the stopper 5, i.e. on the step. This is the replacement frame 3 with the filter. The limiter 5 cooperates with a microswitch, and from there the signal is sent to the control unit 12. The control unit 12 p the ATEM next frame 3 with the filter installed on the tip flow fan 7, and the previous frame 3 is placed in the area of the protective casing 15, it covers 16 and 17 are opened automatically, providing input frame 3 with the filter. In this cycle of sampling, the filter is finished and then everything is repeated after the command timer 11 and control unit 12. Number of frames with filters must be at least two, but can reach seven, when in automatic mode, the device works all week, which is particularly useful in remote hard-to-reach sampling points. Finding part 3 filters in a protective cover 15 prevents side additional contamination from contact with ambient air outside of the atmosphere.

Claims

Automotive device for sampling contaminants of air containing the filter frames, the solenoid return spring and a control unit, which has a running fan, the tip of which is arranged to interact with the framework of the filters, the solenoid is installed with the possibility of axial movement under the action of a return spring, and the device has a piston rod of the drum is connected by cable with the load to rotate, and the drum has a rotation limiter n is the breaker controls the axial movement of the drum, at the same time frame with precipitated contaminating particles is placed in the casing.

 

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