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Sealing device for automobile cabin and HVAC air-vent air quantity and air door

A technology of sealing device and tuyere, which is applied in the direction of measuring device, vehicle test, and by measuring the rate of increase and deceleration of fluid, can solve the problems of poor mobility, low degree of automation, and large difference, so as to save capital, cost and space problems, increased automation, and improved accuracy

Inactive Publication Date: 2013-10-23
SHANGHAI ENTHALPY & ENTROPY ENVIRONMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As the first choice of transportation for people to travel, cars have become more and more popular, and people have higher and higher requirements for the comfort and economy of cars. The quality of the sealing will affect the noise insulation effect of the car cabin, the economy of the car HVAC system, the comfort of the occupants and the infiltration of external air during the driving process of the car. The existing testing equipment can only complete three kinds of measurements. For some tests in the experiment, there is no equipment that can simultaneously complete the three tests. In these three tests, the maximum and minimum values ​​of the measured air volume data are very different. In the prior art, flow ducts or Sensors such as anemometers measure air flow, and the flow measurement range cannot be finely adjusted, resulting in excessive errors, unable to provide accurate data, and the degree of automation is low, and the mobility is poor

Method used

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  • Sealing device for automobile cabin and HVAC air-vent air quantity and air door
  • Sealing device for automobile cabin and HVAC air-vent air quantity and air door
  • Sealing device for automobile cabin and HVAC air-vent air quantity and air door

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Experimental program
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Effect test

specific Embodiment approach 1

[0016] Specific implementation mode one: refer to figure 2 , the specific embodiment adopts the following technical solutions: it includes the first connecting air duct 2, the multi-nozzle air chamber wind tunnel 3, the second connecting air duct 4, the frequency conversion fan 5, the tuyere tooling 6, the HVAC air outlet 7, the air outlet static pressure The collection hole 9; the HVAC air outlet 7 is connected to the tuyere tooling 6, and the tuyere tooling 6 is uniformly provided with a plurality of tuyere static pressure collection holes 9, and the tuyere tooling 6 and the air inlet of the multi-nozzle air chamber wind tunnel 3 are connected through the first connection The air pipe 2 is connected, and the air outlet of the multi-nozzle air chamber wind tunnel 3 is connected with the air inlet of the frequency conversion fan 5 through the second connecting air pipe 4 .

[0017] The multi-nozzle air chamber wind tunnel 3, the frequency conversion fan 5, the electrical cont...

specific Embodiment approach 2

[0020] Specific implementation mode two: refer to image 3 The difference between this specific embodiment and specific embodiment 1 is that the tuyere tooling 6 and the air outlet of the multi-nozzle air chamber wind tunnel 3 are connected through the first connecting air pipe 2, and the multi-nozzle air chamber wind tunnel The air inlet of 3 is connected with the air outlet of frequency conversion fan 5 through the second connecting air duct 4, and other components and connection relations are the same as those of the second embodiment.

specific Embodiment approach 3

[0021] Specific implementation mode three: refer to Figure 4 , The difference between this specific embodiment and the specific embodiment one is that it includes the first connecting air duct 2, the multi-nozzle air chamber wind tunnel 3, the second connecting air duct 4, the frequency conversion fan 5, the door tooling 8, the static pressure Acquisition pipe 9; door tooling 8 is arranged at the door glass of the test vehicle, and a static pressure acquisition tube 9 is arranged in the test vehicle, and the door tooling 8 is connected to the air inlet of the wind tunnel 3 of the multi-nozzle air chamber through the first connecting air pipe 2 , the air outlet of the multi-nozzle air chamber wind tunnel 3 is connected with the air inlet of the frequency conversion fan 5 through the second connecting air pipe 4 .

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Abstract

Disclosed is a sealing device for an automobile cabin and HVAC air-vent air quantity and air door. The sealing device relates to the fields of automobile detection, automobile HVAC air-vent detection and air-flow control. The sealing device includes a test fixture (1), a first connecting air duct (2), a multi-nozzle air-chamber air channel (3), a second connecting air duct (4) and a frequency-conversion fan (5). The test fixture (1) is connected with the multi-nozzle air-chamber air channel (3) through the first connecting air duct (2); and the multi-nozzle air-chamber air channel (3) is connected with the frequency-conversion fan (5) through the second connecting air duct (4). A testing device with a function of three-test measurement is proposed so that cost is reduced. Parts capable of adjusting flow range are used so that measurement precision is improved and data proof for automobile quality improvement is provided and thus automation degree and mobility of the device is improved and convenience is provided to the device for switch among different space environments.

Description

Technical field: [0001] The invention relates to the fields of automobile detection, automobile HVAC air outlet detection and air fluid control, in particular to an automobile cockpit, an HVAC air outlet air volume and a sealing device for an air door. Background technique: [0002] As the first choice of transportation for people to travel, cars have become more and more popular, and people have higher and higher requirements for the comfort and economy of cars. The quality of the sealing will affect the noise insulation effect of the car cabin, the economy of the car HVAC system, the comfort of the occupants and the infiltration of external air during the driving process of the car. The existing testing equipment can only complete three kinds of measurements. For some tests in the experiment, there is no equipment that can simultaneously complete the three tests. In these three tests, the maximum and minimum values ​​of the measured air volume data are very different. In t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007G01M9/00G01M3/26
Inventor 邬立波徐关羽郑成刘
Owner SHANGHAI ENTHALPY & ENTROPY ENVIRONMENT TECH
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