CN105403306B - Simulate the test device of HVAC case vehicle working condition - Google Patents
Simulate the test device of HVAC case vehicle working condition Download PDFInfo
- Publication number
- CN105403306B CN105403306B CN201510937838.8A CN201510937838A CN105403306B CN 105403306 B CN105403306 B CN 105403306B CN 201510937838 A CN201510937838 A CN 201510937838A CN 105403306 B CN105403306 B CN 105403306B
- Authority
- CN
- China
- Prior art keywords
- air
- outlet
- case
- distribution
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
A kind of test device for simulating HVAC case vehicle working condition, including horizontally disposed workbench, air inlet pressure stabilizing chamber on the table is set, outlet pressurizer tank, distribution of air flow case, be characterized in that: the air inlet pressure stabilizing chamber is connected with outlet pressurizer tank by orifice plate, air inlet pressure stabilizing chamber is equipped with horn-like air inlet, outlet pressurizer tank is equipped with the pressure gauge for being used to monitor air pressure in outlet pressurizer tank that gas outlet is connected to by connecting tube, gas outlet is connected by escape pipe with the inlet end of air blower, vibrating sensor is equipped in outlet pressurizer tank, distribution of air flow case is equipped with microphone I, air blower spiral case surface is equipped with microphone II；The outlet side of air blower links distribution of air flow case, and distribution of air flow case is equipped with exhaust outlet.It is horizontal fundamentally to solve the problems, such as that automotive development is difficult to assess HVAC vibration noise early period, by simulating real vehicle operating condition, vibration noise is controlled.
Description
Technical field
The present invention relates to automobile manufacturing field, specifically a kind of test device for simulating HVAC case vehicle working condition,
It is primarily adapted for use in simulation HVAC case real vehicle working condition, horizontal convenient for more preferably controlling HVAC case vibration noise early period.
Background technique
With social development, customer requires to be increasingly stringenter to ride comfort, and rationally reducing interior vibration noise is to mention
The effective means of high driver comfort.HVAC case is located in driver's cabin below instrument board body construction, is that control vehicle interior temperature mentions
The important device of high riding comfort；Since HVAC case and passenger are located at cabin interior, the vibration noise water of HVAC case is controlled
Flat is the effective means for improving ride comfort.
During automobile research, the exploitation of HVAC case belongs to wherein important component；Period earlier, HVAC case vibration noise
Optimization focuses primarily upon the sample car stage with control, and since the project sample car stage is shorter, which vibrates HVAC case
Noise optimization is far from enough with control.In conjunction with HVAC case development process, start Optimization Work in the HVAC case bench test stage
It is particularly important.In recent years, more Automobile Enterprises and components supplying quotient carry out in the HVAC case bench test stage
Noise optimization, main method are to be hung on fixed device, and HVAC case air inlet is exposed under standard atmospheric pressure environment, right
HVAC case is tested and is optimized, and vibration noise obtains certain control；But the really not so reason of HVAC case actual working state
Think, the HVAC case bench test stage simulates its actual working state by controlling inlet pressure, and it is excellent then to carry out vibration noise
Change just more significant.To reach such purpose, a kind of test device for simulating HVAC case vehicle working condition is herein proposed.
Summary of the invention
It is an object of that present invention to provide a kind of test devices for simulating HVAC case vehicle working condition, fundamentally solve
Automotive development is difficult to assess the problem of HVAC vibration noise level early period, by simulating real vehicle operating condition, controls to vibration noise
System.
To achieve the above object, the present invention provides the following technical scheme that the survey of the simulation HVAC case vehicle working condition
Trial assembly is set including horizontally disposed workbench, air inlet pressure stabilizing chamber, outlet pressurizer tank, the distribution of air flow case of setting on the table,
Be characterized in that: the air inlet pressure stabilizing chamber is connected with outlet pressurizer tank by orifice plate, and air inlet pressure stabilizing chamber is equipped with horn-like
Air inlet, outlet pressurizer tank are equipped with the pressure for being used to monitor air pressure in outlet pressurizer tank that gas outlet is connected to by connecting tube
Table, gas outlet are connected by escape pipe with the inlet end of air blower, and vibrating sensor, distribution of air flow case are equipped in outlet pressurizer tank
It is equipped with microphone I, air blower spiral case surface is equipped with microphone II；The outlet side of air blower links distribution of air flow case, air-flow point
Exhaust outlet is equipped with case.
The orifice plate shares three layers, uniformly distributed several ventholes on orifice plate.
Using the test method of above-mentioned test device, it is characterized in that, comprising the following steps:
Workbench is placed in anechoic chamber by step 1), with sealant tape by HVAC case air inlet and air inlet；
Vibrating sensor is arranged in outlet pressurizer tank in step 2, is arranged on distribution of air flow case for detecting distribution of air flow
Water is arranged on away from the position that air blower spiral case surface vertical height is 10cm in the horizontal positioned microphone I of case order noise
The microphone II for being used to detect air blower order noise of placing flat；
Step 3) air blower supply port connects regulated power supply, the multimeter for monitoring blower end voltage and is used for
The ammeter of air blower operating current is monitored, the photoelectric sensing for monitoring air blower working speed is installed outside air blower spiral case
Device；
It is 3V that blower voltage, which is arranged, in step 4), by changing the area of section size of horn-like air inlet, to change pressure
The reading of power table；Five or more pressure spots are chosen under the conditions of equal-pressure-difference, each pressure spot records the number of a length of 10s at four groups respectively
According to；
It is that 5V, 7V, 9V, 11V, 13V repeat step 4) that step 5), which is sequentially adjusted in blower voltage,；
Step 6) establishes the curve of HVAC work noise and pressure, carries out to HVAC case noise level under the conditions of different pressures
Assessment.
Beneficial effects of the present invention: in conjunction with HVAC case vibration and noise test method, can both obtain its vibration noise with into
The relation curve of outlet pressure can also simulate the actual working state of HVAC case, effective can vibrate to HVAC case
Noise optimizes.Operating condition is often used in conjunction with heating ventilation air-conditioning system, on the one hand can expose and be deposited in the design of HVAC case to greatest extent
Defect, on the other hand can analysis and optimization HVAC case comprehensively vibration noise it is horizontal.The structure type of the structure is simple,
It is low in cost, and can try out in different types of HVAC case, very big help is provided for control beforehand control HVAC case noise.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of gas outlet；
Fig. 3 is the structural schematic diagram of air inlet；
Fig. 4 is the structural schematic diagram of orifice plate.
Description of symbols:
In Fig. 1: 1 air inlet, 2 air inlet pressure stabilizing chambers, 3 outlet pressurizer tanks, 4 gas outlets, 5 orifice plates, 6 connecting tubes, 7 exhaust outlets, 8
Distribution of air flow case, 9 escape pipes, 10 air blowers, 11 multimeters, 12 pressure gauges, 13 workbench；
In Fig. 2: 4 gas outlets, 14 fixtures；
In Fig. 3: 1 air inlet；
In Fig. 4: 5 orifice plates.
Specific embodiment
Below in conjunction with Fig. 1 ~ 4, pass through the specific embodiment content that the present invention will be described in detail.Simulation HVAC case vehicle work
The test device of state include horizontally disposed workbench 13, setting air inlet pressure stabilizing chamber 2 on the table, outlet pressurizer tank 3,
Distribution of air flow case 8.The integral structure being spliced by 25mm solid wood, every block of wood can be used in air inlet pressure stabilizing chamber and outlet pressurizer tank
It is fixed between plate using right-angle connector, seam is sealed with sealant, is prevented through gap leakage air.The plank of air outlet side
It is detachably arranged on outlet pressurizer tank by fixture 14, air inlet pressure stabilizing chamber is connected with outlet pressurizer tank by orifice plate 5, orifice plate
Three layers are shared, uniformly distributed several ventholes, guarantee that air is evenly distributed on orifice plate.Air inlet pressure stabilizing chamber is equipped with horn-like air inlet
1, outlet pressurizer tank is equipped with the pressure gauge for being used to monitor air pressure in outlet pressurizer tank that gas outlet 4 is connected to by connecting tube 6
12, gas outlet is connected by escape pipe 9 with the inlet end of air blower 10, and vibrating sensor, air-flow point are equipped in outlet pressurizer tank
It is equipped with microphone I with case, air blower spiral case surface is equipped with microphone II.The outlet side of air blower links distribution of air flow case, gas
It flows distributor box and is equipped with exhaust outlet 7.
Use the test method of above-mentioned test device, which comprises the following steps:
Workbench is placed in anechoic chamber by step 1), with sealant tape by HVAC case air inlet and air inlet.
Vibrating sensor is arranged in outlet pressurizer tank in step 2, is arranged on distribution of air flow case for detecting distribution of air flow
Water is arranged on away from the position that air blower spiral case surface vertical height is 10cm in the horizontal positioned microphone I of case order noise
The microphone II for being used to detect air blower order noise of placing flat.
Step 3) air blower supply port connects regulated power supply, the multimeter 11 for monitoring blower end voltage and uses
In the ammeter of monitoring air blower operating current, air blower spiral case installs the photoelectric sensing for monitoring air blower working speed outside
Device
It is 3V that blower voltage, which is arranged, in step 4), by changing the area of section size of horn-like air inlet, to change pressure
The reading of power table；Five or more pressure spots are chosen under the conditions of equal-pressure-difference, each pressure spot records the number of a length of 10s at four groups respectively
According to.
It is that 5V, 7V, 9V, 11V, 13V repeat step 4) that step 5), which is sequentially adjusted in blower voltage,.
Step 6) establishes the curve of HVAC work noise and pressure, carries out to HVAC case noise level under the conditions of different pressures
Assessment.
Claims (3)
1. a kind of test device for simulating HVAC case vehicle working condition, including horizontally disposed workbench, setting are in workbench
On air inlet pressure stabilizing chamber, outlet pressurizer tank, distribution of air flow case, it is characterised in that: the air inlet pressure stabilizing chamber and outlet pressurizer tank are logical
Orifice plate linking is crossed, air inlet pressure stabilizing chamber is equipped with horn-like air inlet, and outlet pressurizer tank is equipped with gas outlet and passes through connecting tube
The pressure gauge for being used to monitor air pressure in outlet pressurizer tank of connection, gas outlet are connected by escape pipe with the inlet end of air blower,
Vibrating sensor is equipped in outlet pressurizer tank, distribution of air flow case is equipped with microphone I, and air blower spiral case surface is equipped with microphone
II；The outlet side of air blower connects distribution of air flow case, and distribution of air flow case is equipped with exhaust outlet.
2. the test device of simulation HVAC case vehicle working condition according to claim 1, it is characterised in that: the orifice plate
Three layers are shared, uniformly distributed several ventholes on orifice plate.
3. using the test method of test device described in claim 1, which comprises the following steps:
Workbench is placed in anechoic chamber by step 1), will be sealed between air inlet pressure stabilizing chamber and air inlet with sealant tape；
Vibrating sensor is arranged in outlet pressurizer tank in step 2, is arranged on distribution of air flow case for detecting distribution of air flow case rank
The horizontal positioned microphone I of secondary noise, setting level is put on away from the position that air blower spiral case surface vertical height is 10cm
That sets is used to detect the microphone II of air blower order noise；
Step 3) air blower supply port connects regulated power supply, the multimeter for monitoring blower end voltage and for monitoring
The ammeter of air blower operating current, air blower spiral case install the photoelectric sensor for monitoring air blower working speed outside；
It is 3V that blower voltage, which is arranged, in step 4), by changing the area of section size of horn-like air inlet, to change pressure gauge
Reading；Five or more pressure spots are chosen under the conditions of equal-pressure-difference, each pressure spot records the data of a length of 10s at four groups respectively；
It is that 5V, 7V, 9V, 11V, 13V repeat step 4) that step 5), which is sequentially adjusted in blower voltage,；
Step 6) establishes the curve of HVAC work noise and pressure, comments HVAC case noise level under the conditions of different pressures
Estimate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937838.8A CN105403306B (en) | 2015-12-16 | 2015-12-16 | Simulate the test device of HVAC case vehicle working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937838.8A CN105403306B (en) | 2015-12-16 | 2015-12-16 | Simulate the test device of HVAC case vehicle working condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105403306A CN105403306A (en) | 2016-03-16 |
| CN105403306B true CN105403306B (en) | 2019-11-15 |
Family
ID=55468933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510937838.8A Expired - Fee Related CN105403306B (en) | 2015-12-16 | 2015-12-16 | Simulate the test device of HVAC case vehicle working condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105403306B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207908156U (en) * | 2018-03-26 | 2018-09-25 | 京东方科技集团股份有限公司 | A kind of test box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993614Y (en) * | 2006-11-24 | 2007-12-19 | 广州电器科学研究院 | Air conditioner noise-aircurrent measurement laboratory |
| CN101571448A (en) * | 2009-06-08 | 2009-11-04 | 南京常荣噪声控制环保工程有限公司 | Aero-acoustic experimental apparatus |
| CN202329801U (en) * | 2011-11-16 | 2012-07-11 | 上海德尔福汽车空调系统有限公司 | Acoustic static pressure tank |
| CN102680074A (en) * | 2012-05-11 | 2012-09-19 | 上海理工大学 | Method for testing acoustic pressure level of pneumatic noise of small fan under full flow |
| CN205352547U (en) * | 2015-12-16 | 2016-06-29 | 华晨汽车集团控股有限公司 | Warm testing arrangement who leads to whole car operating condition of case of simulation |
-
2015
- 2015-12-16 CN CN201510937838.8A patent/CN105403306B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993614Y (en) * | 2006-11-24 | 2007-12-19 | 广州电器科学研究院 | Air conditioner noise-aircurrent measurement laboratory |
| CN101571448A (en) * | 2009-06-08 | 2009-11-04 | 南京常荣噪声控制环保工程有限公司 | Aero-acoustic experimental apparatus |
| CN202329801U (en) * | 2011-11-16 | 2012-07-11 | 上海德尔福汽车空调系统有限公司 | Acoustic static pressure tank |
| CN102680074A (en) * | 2012-05-11 | 2012-09-19 | 上海理工大学 | Method for testing acoustic pressure level of pneumatic noise of small fan under full flow |
| CN205352547U (en) * | 2015-12-16 | 2016-06-29 | 华晨汽车集团控股有限公司 | Warm testing arrangement who leads to whole car operating condition of case of simulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105403306A (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102608277B (en) | Detection method of detection system for oxynitride sensor | |
| WO2021259325A1 (en) | Testing apparatus and testing method for automatic pressure regulating valve of electronic braking system | |
| CN107860533A (en) | One kind is used for vehicle air conditioning outlet sealing and ventilation noise testing device | |
| CN205352547U (en) | Warm testing arrangement who leads to whole car operating condition of case of simulation | |
| CN108534950A (en) | The multi-channel parallel performance detecting system and detection method of inlet pressure sensor | |
| CN104359626A (en) | Test piece air tightness detection device and method | |
| CN103335938B (en) | Pipe conveying medium multi-flow-velocity corrosion determination apparatus and determination method thereof | |
| CN105403306B (en) | Simulate the test device of HVAC case vehicle working condition | |
| CN115290520A (en) | Mobile fine particle online calibration method | |
| CN201514309U (en) | Leakage test device for exhaust manifold gasket of engine | |
| CN202502086U (en) | Detection system of nitrogen oxide sensor | |
| CN110926740A (en) | Device for testing service life of metal hose | |
| CN108133065B (en) | Comprehensive simulation test platform and method for ventilation system | |
| CN108896089A (en) | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method | |
| CN202101839U (en) | Testing device of air braking valve | |
| CN204807402U (en) | Novel pressure pulse testing machine | |
| CN203606068U (en) | Full-automatic pressure-verifying device | |
| CN206146643U (en) | Engine oil rail monomer noise experimental apparatus | |
| CN212845683U (en) | Electromagnetic compatibility test bed for movable gas meter | |
| CN203909163U (en) | Water heater test platform | |
| CN104793122B (en) | Circuit board function test equipment | |
| CN104964791A (en) | Oil pressure sensor comprehensive test bench and operation method thereof | |
| CN201909780U (en) | Rubber hose burning test bench | |
| RU2011128105A (en) | METHOD FOR DIAGNOSING SENSORS OF MASS CONSUMPTION OF CARS AND A DEVICE FOR ITS IMPLEMENTATION | |
| KR20160003518A (en) | Apparatus and method for leak testing washer horse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 Termination date: 20211216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |