CN208520542U - Pipelines of automobile air conditioner dynamic rate transmits detection device - Google Patents
Pipelines of automobile air conditioner dynamic rate transmits detection device Download PDFInfo
- Publication number
- CN208520542U CN208520542U CN201820550006.XU CN201820550006U CN208520542U CN 208520542 U CN208520542 U CN 208520542U CN 201820550006 U CN201820550006 U CN 201820550006U CN 208520542 U CN208520542 U CN 208520542U
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- air
- conditioning duct
- pipelines
- detection device
- air conditioner
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a kind of pipelines of automobile air conditioner dynamic rates to transmit detection device, including the vibration excitor and several testboard bay fixing tools for being used to fix air-conditioning duct being connected with air-conditioning duct one end, fixed block is respectively arranged on the testboard bay fixing tool, force sensor is respectively set on the fixed block, the force snesor is connected with air-conditioning duct outer wall.The pipelines of automobile air conditioner dynamic rate transmits the dynamic sinusoidal swept-frequency signal that detection device generates a permanent displacement by vibration excitor, the dynamic rate of air conditioning managing can be accurately calculated by force snesor and acquisition system again, it is simple to operate, detection efficiency is high, can improve to air-conditioning duct NVH and provide data supporting.
Description
Technical field:
The utility model relates to automobile parts detection technique fields more particularly to a kind of pipelines of automobile air conditioner dynamic rate to pass
Pass detection device.
Background technique:
Domestic Automotive Industry lags behind developed country, but with the rapid development of domestic automobile industry in recent years, user is being selected
It selects automobile and is not only satisfied with most basic function of riding instead of walk, but more consideration is given to many-sided performances such as ride comfort.
But (especially air-conditioning duct is dynamic to ride comfort for China's air-conditioning duct that can be used for evaluating unmature at this stage
State rigidity) detection method, therefore air-conditioning duct part monomer can not be analyzed to the transmission characteristic of engine luggine, also cannot
Improve to vehicle NVH and data supporting is provided.
Utility model content:
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of structure and be simple and convenient to operate, measure essence
Quasi- pipelines of automobile air conditioner dynamic rate transmits detection device.
The utility model is achieved by the following technical solution: a kind of pipelines of automobile air conditioner dynamic rate transmitting detection dress
It sets, including the vibration excitor that is connected with air-conditioning duct one end and several for fixing the testboard bay fixing tool of air-conditioning duct,
It is respectively arranged with fixed block on the testboard bay fixing tool, force sensor, the power are respectively set on the fixed block
Sensor is connected with air-conditioning duct outer wall.
In order to measure air-conditioning duct of different shapes, facilitate the position of adjustment fixed block, the fixed block and test
Rack fixing tool is detachably connected.
For accurate acquisition testing data, data collection system is provided on the vibration excitor.
It is produced the beneficial effects of the utility model are: the pipelines of automobile air conditioner dynamic rate transmits detection device by vibration excitor
The dynamic sinusoidal swept-frequency signal of a raw permanent displacement, then air-conditioner pipe can accurately be calculated by force snesor and acquisition system
The dynamic rate of reason, simple to operate, detection efficiency is high, can improve to air-conditioning duct NVH and provide data supporting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model automobile pipelines of automobile air conditioner dynamic rate transmits detection device；
In figure: 1. fixed blocks, 2. vibration excitors, 3. air-conditioning ducts, 4. testboard bay fixing tools.
Specific embodiment:
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be understood by those skilled in the art with feature, to make apparent specific boundary to the protection scope of the utility model
It is fixed.Direction term that the utility model is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom" etc.,
It is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the utility model, rather than to
Limit the utility model.
The elastic element dynamic stiffness theory of testing that the utility model is proposed according to ISO10846, devising one kind can quantitatively examine
It surveys pipelines of automobile air conditioner and the detection method that pipeline is transferred to the dynamic response of body fixing point is passed through to the vibration that compressor generates.
As shown in Figure 1, a kind of pipelines of automobile air conditioner dynamic rate transmits detection device, including with 3 one end phase of air-conditioning duct
Vibration excitor 2 even and several testboard bay fixing tools 4 for being used to fix air-conditioning duct 3, the testboard bay fixing tool 4
On be respectively arranged with fixed block 1, force sensor is respectively set on the fixed block 1, outside the force snesor and air-conditioning duct 3
Wall is connected.
The fixed block 1 is detachably connected with testboard bay fixing tool 4, and testboard bay fixing tool 4 is according to air-conditioner pipe
The shape on road 3 is distributed, and fixed block 1 is adjusted according to air-conditioning duct 3, avoids carrying out squeezing to air-conditioning duct 3 leading to it
Deformation or damage.
Wherein vibration excitor 2 forms close loop control circuit by power amplifier, vibrating controller, sensor etc., is arranged on vibration excitor 2
There is data collection system, data collection system includes sensor, data collecting instrument, analysis software.
It by air-conditioning duct 3 according to its actual installation posture on automobile, is mounted on testboard bay, piping connection compression
The flange of generator terminal and the vibration excitor 2 of test macro connect, and the rest part of pipeline is mounted on testboard bay by fixed block 1 and fixes
In tooling 4, a sensor is arranged on vibration excitor 2, realizes closed-loop control for monitoring the input of vibration excitor 2, vibration excitor 2 produces
The dynamic sinusoidal swept-frequency signal of a raw permanent displacement, the displacement signal of vibration excitor 2 and fixation when acquisition system acquires vibration simultaneously
The force value response signal of block 1 carries out path computation with signal of the specialty analysis software to acquisition, obtains dynamic stiffness frequency-region signal.
Dynamic rate S=F/D, wherein F is force value response, and D is displacement excitation signal.
Compared with prior art, pipelines of automobile air conditioner dynamic rate transmitting detection device generates one by vibration excitor 2
The dynamic sinusoidal swept-frequency signal of perseverance displacement, then the dynamic of air conditioning managing can accurately be calculated by force snesor and acquisition system
State rigidity, simple to operate, detection efficiency is high, can improve to air-conditioning duct NVH and provide data supporting.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (2)
1. a kind of pipelines of automobile air conditioner dynamic rate transmits detection device, it is characterised in that: including being connected with air-conditioning duct one end
Vibration excitor and several for fixing the testboard bay fixing tool of air-conditioning duct, on the testboard bay fixing tool respectively
It is provided with fixed block, force sensor is respectively set on the fixed block, the force snesor is connected with air-conditioning duct outer wall.
2. pipelines of automobile air conditioner dynamic rate according to claim 1 transmits detection device, it is characterised in that: the exciting
Data collection system is provided on device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820550006.XU CN208520542U (en) | 2018-04-17 | 2018-04-17 | Pipelines of automobile air conditioner dynamic rate transmits detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820550006.XU CN208520542U (en) | 2018-04-17 | 2018-04-17 | Pipelines of automobile air conditioner dynamic rate transmits detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208520542U true CN208520542U (en) | 2019-02-19 |
Family
ID=65341818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820550006.XU Active CN208520542U (en) | 2018-04-17 | 2018-04-17 | Pipelines of automobile air conditioner dynamic rate transmits detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208520542U (en) |
-
2018
- 2018-04-17 CN CN201820550006.XU patent/CN208520542U/en active Active
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