Novel automobile seat ventilation quantity measuring equipment and measuring method

Abstract

The invention discloses novel automobile seat ventilation quantity measuring equipment and a measuring method. The measuring equipment comprises a seat saddle, a test box, a gas mass flow meter, a pressure difference sensor, a fan and a controller; the seat saddle is fixedly connected with one end of the test box; the test box is of a hollow structure, the end, connected with the seat saddle, of the test box is of an open structure, so that the interior of the test box is communicated with the seat saddle, the pressure difference sensor is installed in the test box, electrically connected withthe controller and used for transmitting pressure difference information to the controller, a ventilation opening is machined in the tail end of the test box, the ventilation opening is connected with the fan through a ventilation pipeline, the gas mass flow meter is installed on the ventilation pipeline, and the gas mass flow meter is electrically connected with the controller and used for measuring the mass of gas passing through the ventilation pipeline; and the fan is electrically connected with the controller, and the controller controls the fan to supplement air into the test box or exhaust air outwards from the test box. The measuring equipment is reasonable in structural design and can realize high-precision full-automatic measurement.

Description

technical field [0001] The invention belongs to the field of ventilation volume measurement devices, and in particular relates to a novel vehicle seat ventilation volume measurement device and a measurement method. Background technique [0002] At present, in order to ensure the comfort of the seats on high-end cars, ventilation devices are usually arranged on the seats. Existing ventilation device mainly contains two kinds, and a kind of is to blow air to seat cushion cover and / or backrest cover by blower, and another kind is to adopt exhaust fan to draw air outward from seat cushion cover and / or backrest cover; Yet, No matter which ventilation device is used, its ventilation capacity needs to be kept within a certain range, which requires testing the ventilation volume per unit time of the seats of each model. [0003] The existing seat ventilation test system mainly uses an anemometer to measure the flow velocity of the entire system entering the air through the back pan...

AI Technical Summary

Problems solved by technology

For example: Chinese patent CN109253887A discloses "a commercial vehicle ventilated seat ventilation measurement device". The measurement system is detected by an anemometer. The reserved air inlet velocity measurement uses the air velocity at the position of the pipeline, combined with the diameter of the pipeline, to calculate the ventilation volume of the whole seat of the ventilated seat. The accuracy of this air volume measurement method is affected by the diameter and length of the test hole, and it needs to be maintained There is no large air flow in the room; in addition, this measurement method requires personnel reading calculations, and there will be errors, resulting in inaccurate measurement results

[0004] Chinese patent CN209927226U discloses "a car seat ventilation volume measurement system". The measurement system is mainly detected by an air volume meter (electronic air volume sensor). Balance, there is no real-time monitoring and recording of data, so there is still the problem of inaccurate measurement data

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