Automobile air outlet air leakage testing device

Abstract

The utility model discloses an automobile air outlet air leakage test device, which comprises a PWM fan, a fan controller, a test box, a barometer and a sample clamp, and is characterized in that the PWM fan and the test box are arranged on the table top of the fan controller, and a ventilation pipe of the PWM fan is communicated with the side wall of the test box; a barometer is arranged at the top of the test box and is used for monitoring the air pressure in the test box and transmitting the air pressure to the fan controller in real time; the sample clamp is vertically arranged in the test box and is perpendicular to a ventilation opening of the PWM fan 1, the outer edge of the sample clamp is seamlessly sealed with a contact point of the inner wall of the test box, and a sample is mounted in an inner frame of the sample clamp during testing; the other side wall, opposite to the ventilation opening, of the test box is provided with a plurality of sound listening holes. According to the utility model, automobile air outlets of various specifications and models can be tested on one device, and specific airtight performance, howling, abnormal sound and the like can be tested at the same time. The testing device is exquisite and simple in structural design, low in cost and small in occupied area.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air outlet air leakage testing equipment. Background Art

[0002] With the vigorous development of the automobile industry and the rise of new car-making forces in recent years, the domestic and foreign automobile markets have put forward new requirements and test items for automobile air outlets. In order to cope with the growing demand, mainstream OEMs will establish their own air outlet test corporate standards (such as Geely's Q / JLY J7110245, which stipulates specific airtight performance tests and howling and abnormal noise tests).

[0003] Given the current wide variety of air outlet test standards, the tests used are also diverse. In addition, due to the variety of automotive air outlets, it is difficult to ensure the repeatability and consistency of the test simply based on the simple description in the Q / JLY J7110245 standard. In particular, there are many uncertainties in sample fixation and equipment installation design. Manual construction requires a long time, and there is no mature solution on the market. When the universal test requirements for air outlets with different interface models are difficult to meet, the test duration and scheduling progress are affected. Utility Model Content

[0004] The purpose of the utility model is to provide an automobile air outlet air leakage test device to address the above-mentioned deficiencies in the prior art, so as to realize various automobile air outlet and various standard tests at low cost.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A vehicle air outlet air leakage test device comprises a PWM fan, a fan controller, a test box, a barometer and a sample clamp, wherein the PWM fan and the test box are arranged on a table of the fan controller, and the ventilation duct of the PWM fan is connected to the side wall of the test box; a barometer is arranged on the top of the test box for monitoring the air pressure in the test box and transmitting it to the fan controller in real time; the sample clamp is vertically arranged in the test box, perpendicular to the ventilation port of the PWM fan 1, the outer edge of the sample clamp is seamlessly sealed at the contact point with the inner wall of the test box, and the sample is installed in the inner frame of the sample clamp during testing; a plurality of listening holes are arranged on the other side wall of the test box opposite to the ventilation port.

[0007] Furthermore, there are multiple sample clamps, and the inner frames of different sample clamps match the shapes and specifications of automobile air outlets on the market, and can be freely switched to detect different types of products.

[0008] Beneficial effects of the utility model:

[0009] The automobile air outlet air leakage testing device provided by the utility model is aimed at the actual inspection requirements of automobile manufacturers and various regions. It can test automobile air outlets of various specifications and models on one device, and at the same time take into account the testing of specific airtight performance, howling and abnormal noise, etc.

[0010] The test device of the utility model has exquisite and simple structural design, low cost and small occupation of space.

[0011] The technical solution of the utility model is illustrated below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of an automobile air outlet air leakage testing device provided by an embodiment of the utility model.

[0013] Description of reference numerals:

[0014] 1PWM fan, 2 fan controller, 3 test box, 301 listening hole

[0015] 4 barometers, 5 sample holders, 6 samples DETAILED DESCRIPTION

[0016] The specific embodiments described herein are only used to explain the technical solution of this patent, rather than to limit the disclosed technical solution. It should also be noted that, for the convenience of description, only the parts related to the technical solution of this application are shown in the drawings, rather than all structures.

[0017] Before discussing the exemplary embodiments in more detail, it should be mentioned that the structures of the device components and / or modules themselves mentioned in the embodiments, if not described in detail, are understandable to those skilled in the art based on the existing public technology or commercially available products.

[0018] refer to Figure 1 The automobile air outlet air leakage test device provided in this embodiment includes a PWM fan 1, a fan controller 2, a test box 3, a barometer 4 and a sample clamp 5. The PWM fan 1 and the test box 3 are arranged on the table of the fan controller 2, and the ventilation pipe of the PWM fan 1 is connected to the side wall of the test box 3; the top of the test box 3 is provided with a barometer 4, which is used to monitor the air pressure in the test box 3 and transmit it to the fan controller 2 in real time; the sample clamp 5 is vertically arranged in the test box 3, perpendicular to the ventilation port of the PWM fan 1, and the outer edge of the sample clamp 5 is seamlessly sealed at the contact point with the inner wall of the test box 3. During the test, the sample is installed in the inner frame of the sample clamp 5; a plurality of listening holes 301 are provided on the other side wall of the test box 3 opposite to the ventilation port.

[0019] The outer edge of the sample clamp 5 is seamlessly sealed with the upper and lower and front and rear inner walls of the test box 3, so that air can only pass through the sample. One of the preferred solutions is that the sample clamp is a plastic frame clamp with a certain elastic material. The test box preferably uses a transparent acrylic box.

[0020] The barometer 4 is arranged on the left side of the sample holder 5 to test the wind pressure after passing through the sample.

[0021] In order to adapt the inner frames of different sample clamps 5 to match the shapes and specifications of automobile air outlets on the market, multiple sample clamps 5 are further prepared to facilitate switching when testing different types of products.

[0022] The test steps are as follows:

[0023] 1. Select the appropriate sample clamp according to the shape of the sample, and put it into the test box after installation 3.

[0024] 2. Start the test according to the set wind speed and air volume, and observe the air pressure in the test chamber after the sample has passed.

[0025] 3. Listen to the noise during air intake and air discharge through the listening hole.

[0026] The test device of the utility model is a semi-automatic test device with good adaptability, capable of meeting various types of standardized tests and having very low cost.

Claims

1. A vehicle air outlet air leakage test device, characterized in that: The invention comprises a PWM fan (1), a fan controller (2), a test box (3), a barometer (4) and a sample holder (5), wherein the PWM The fan (1) and the test box (3) are arranged on a table of a fan controller (2); the ventilation pipe of the PWM fan (1) is connected to the side wall of the test box (3); a barometer (4) is arranged on the top of the test box (3) for monitoring the air pressure in the test box (3) and transmitting the air pressure to the fan controller (2) in real time; the sample clamp (5) is arranged vertically in the test box (3) and perpendicular to the ventilation opening of the PWM fan (1); the outer edge of the sample clamp (5) and the contact point with the inner wall of the test box (3) are seamlessly sealed, and the sample is installed in the inner frame of the sample clamp (5) during testing; and a plurality of listening holes (301) are arranged on the other side wall of the test box (3) opposite to the ventilation opening.

2. The vehicle air outlet air leakage test device according to claim 1, characterized in that: There are a plurality of sample holders (5), and the inner frames of different sample holders (5) are matched with the shapes and specifications of automobile air outlets on the market.

3. The automobile air outlet air leakage test device according to claim 1 or 2, characterized in that: The sample clamp (5) is a plastic frame clamp with elasticity.

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