CN106680187A - Device and system for windless test - Google Patents
Device and system for windless test Download PDFInfo
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- CN106680187A CN106680187A CN201510747006.XA CN201510747006A CN106680187A CN 106680187 A CN106680187 A CN 106680187A CN 201510747006 A CN201510747006 A CN 201510747006A CN 106680187 A CN106680187 A CN 106680187A
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- test
- wind speed
- temperature
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- chamber
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a device for a windless test. The device comprises a cover body and a test platform, wherein the cover body is used for controlling the wind speed inside the device; and the test platform is used for placing a tested piece. The device fills up the blank of the windless test by utilizing a universal wind test box at present, and the device is simple, relatively low in cost and wide in application range, so that the device is applicable to non-heat dissipation type test pieces and is also applicable to heat dissipation type tests; the device can perform a high-temperature test, and can also perform a low-temperature test; and the device solves the problem of the windless test, and avoids the defect of an inaccurate test result due to the problem of the windless test.
Description
Technical field
The invention relates to technical field of measurement and test, more particularly to a kind of device of calm test.This Shen
Please embodiment also relate to a kind of system of calm test.
Background technology
Chamber at present needs the interior temperature everywhere of guarantee test case as far as possible consistent when humid test is carried out,
For this purpose, chamber generally adopts air circulation technology, wind speed commonly reaches 1～3m/s in casing, and different
Position wind speed direction, wind speed difference in size are also larger, it is impossible to meet in heat-sinking specimen test and wind speed is wanted
Ask；And when chamber is actually used, only the temperature in chamber is measured, confirm that it provides temperature
The ability and temperature franchise of degree can meet relevant criterion requirement；And wind speed is not measured, also thus
Lead to not whether wind speed in validation test case meets relevant criterion requirement, it is likely that so that wind speed is in test
During be in runaway condition so that test specimen produces the heat transfer of the conjunction that do not conform to the actual conditions in process of the test,
The radiating of test specimen itself is accelerated, makes the result of the test of test specimen inaccurate；And during actual tests
It is likely to that test specimen is caused to damage, ultimately results in the failure of test.
Therefore, temperature control is carried out using air circulation technology to tend not to meet test demand and standard
Regulation, causes result of the test inaccurate.
The content of the invention
Cannot meet test demand and standard regulation for of the prior art, cause result of the test inaccurate
Defect, the present invention proposes a kind of device of calm test, for meeting the regulation of test needs and standard,
The accurate purpose of test is finally realized, the device includes cover body and test platform；Wherein,
The cover body is used to be controlled described device inside wind speed；
The test platform is used to place test specimen.
Preferably, the cover body is specially the hollow cuboid cover structure of lower opening.
Preferably, multiple wind speed are provided with the cover body and adjust window, wherein, the wind speed adjusts window and opens
It is adjustable to close angle.
Preferably, the loading end that the test platform is used to place test specimen is net plane, described to hold
Section lower section is provided with multiple strong points.
Preferably, the device also includes：
Temperature sensor, for monitoring the test specimen local environment in temperature；
Air velocity transducer, for monitoring the test specimen local environment in wind speed.
Preferably, the temperature sensor and the air velocity transducer are arranged on the default position of the test platform
Put, to realize realizing accurate monitoring to the temperature in the test specimen local environment and/or wind speed.
Preferably, the device also includes：
Data collecting instrument, for obtaining the signal of the temperature sensor and the air velocity transducer, and will
The signal is converted to data signal；
Display alarm device, for receiving the data signal of the data collecting instrument, shows over the display
Show the temperature information and wind speed information of the test specimen, and based in the data signal with regard to the quilt
The temperature information and wind speed information of test block is compared with default threshold value, to judge whether that needs are carried out
With regard to the alarm of temperature and/or wind speed, and when judging to need alarm, display alarm on the display.
The invention also discloses a kind of system of calm test, in being applied to said apparatus, the system is also wrapped
Include：
Chamber, for the cover body and the test platform in the device for placing the calm test,
And the temperature of environment needed for test specimen is provided.
Preferably, the length of side of case is described more than or equal to 2 times of the cover body length of side in the chamber
The height of case is more than or equal to 4 times of the test platform height, calm experimental rig cover in chamber
Body size dimension is not more than 1/2 of the case length of side in chamber, and the height of test platform is greater than case in chamber
The 1/4 of height；When calm test is carried out, each face and the test chamber interior wall of the device of the calm test
Distance is not less than the 1/5 of the chamber length of side.
The present invention has been filled up using the blank for having wind chamber to carry out calm test general at present, and device
Simply, cost is relatively low, and can fully be multiplexed it is at present general have wind chamber, this method has cost
It is low, the characteristics of easily realize；In addition it is of the invention applied widely, both it had been adapted to non-heat radiating type test specimen, it also is adapted for
Heat radiating type is tested；Both high temperature test can have been carried out, it is also possible to carry out low-temperature test；Solve calm test
A difficult problem, it is to avoid therefore cause the inaccurate defect of result of the test.
Description of the drawings
Fig. 1 is the structure decomposition figure of the device of a kind of calm test that the embodiment of the present invention is proposed；
Fig. 2 is the structural representation of the device of a kind of calm test that the embodiment of the present invention is proposed；
Fig. 3 is that the structure and air circulation of the system of a kind of calm test that the embodiment of the present invention is proposed are shown
It is intended to；
Fig. 4 is the schematic flow sheet of the method for a kind of calm test that the embodiment of the present invention is proposed；
Specific embodiment
As stated in the Background Art, test demand and standard regulation cannot be met present in prior art, is made
Into the inaccurate defect of result of the test, for this purpose, the present invention proposes a kind of device of calm test, such as Fig. 1
Shown, the device includes cover body and test platform；Wherein,
The cover body is used to be controlled the wind speed inside described device；
The test platform is used to place test specimen.
Specifically, the cover body is specially the hollow cuboid cover structure of lower opening, certainly, specifically
, can also as needed be designed as other shape builds, such as hemispherical configuration, semiellipse structure
Etc..
And specific cover body is that window is adjusted based on the multiple wind speed arranged on cover body come to the wind speed in device
Be controlled, wherein, the wind speed adjust window opening and closing angle be it is adjustable, specifically, such as Fig. 1
It is shown, when cover body is specially the hollow cuboid cover structure of lower opening, it is as shown in Figure 1 can be with
Barrier effect is played in the face of air circulation " front, back, left, right, up " 5, while in this 5 faces
It is provided with wind speed and adjusts window, realizes that control enters calm test and fills by adjusting wind speed regulation window opening and closing angle
Internal gas flow amount is put, so as to realize the control to calm experimental rig inside wind speed.
Certainly, best calm experimental enviroment is carried out in the environment of completely without wind speed, but this is obvious
It is unpractiaca, is to ensure that heat is quick when heating or the refrigeration system applying temperature stress of chamber
Everywhere temperature is as far as possible consistent with chamber for transmission, and in the temperature tolerance of regulation, it is necessary to rely on
Air circulation, therefore, " calm " in " calm test " defined in the present invention refers to satisfaction test
Require and the low wind speed of standard regulation (is such as rushed in GJB 150A standards with regard to high temperature, low mild temperature
Hit the clear stipulaties " wind speed near test specimen is less than 1.7m/s " of test).
The loading end that the test platform is used to place test specimen is net plane, the loading end lower section
It is provided with multiple strong points.
Specifically, as shown in figure 1, test platform is net plane, can be supported by four pin, test is flat
Platform the top is test table top, and test specimen is placed on test table top, thus by cover body lower opening
Design and experiment porch net plane structure ensuring equipment inside and outside temperature reach balance.
And in order to be able to the temperature and wind speed of monitor in real time test specimen, can with mounting temperature sensor and
Air velocity transducer, wherein temperature sensor, for monitoring the test specimen local environment in temperature；
Air velocity transducer, for monitoring the test specimen local environment in wind speed.Specifically, local environment
The true environment most pressed close to test specimen, by the environment can monitor the temperature of test specimen with
And wind speed, for this, the position of installation can be determined with the needs of sensor-based performance and test,
It is a kind of preferably as shown in Figure 1, it is default around the test specimen on test platform
Position, to realize realizing accurate monitoring to the temperature in the test specimen local environment and/or wind speed,
The monitoring to test specimen temperature and wind speed can be finally better achieved.
And after the data of temperature and wind speed are obtained, in addition it is also necessary to the data to getting enter traveling one
The process of step, final could be controlled according to the data for obtaining to the temperature and wind speed of test specimen,
For this purpose, the device of the calm test can be with as shown in Fig. 2 also including data collecting instrument and showing announcement
Alarm device.
Wherein, data collecting instrument, for obtaining the signal of the temperature sensor and the air velocity transducer,
And convert the signals to data signal；
Display alarm device, for receiving the data signal of the data collecting instrument, shows over the display
Show the temperature information and wind speed information of the test specimen, and based in the data signal with regard to the quilt
The temperature information and wind speed information of test block is compared with default threshold value, to judge whether that needs are carried out
With regard to the alarm of temperature and/or wind speed, and when judging to need alarm, display alarm on the display.
Wherein, data collecting instrument connection temperature sensor and air velocity transducer, are passed with getting the temperature
The signal of sensor and the air velocity transducer, and convert the signals to data signal；And display alarm
Device is specifically as follows PC (personal computer, personal computer) equipment, connects data collecting instrument,
To get data collecting instrument conversion after data signal, and according in data signal with regard to temperature and wind
The numerical value of speed is compared with default respective threshold, and for example whether temperature is higher than 100 DEG C, and whether wind speed is high
In 1.7m/s, if having be higher than, if for example wind speed is higher than 1.7m/s, wind speed alarm is carried out, so as to base
Cover body is fed back in warning information, for example can be by the opening and closing to the wind speed regulation window on cover body
Angle is adjusted being controlled wind speed；Again for example temperature is higher than 100 DEG C, then carry out temperature warning,
Subsequently to could be adjusted to chamber be adjusted temperature.
The invention also discloses a kind of system of calm test, the dress of the calm test for being applied to include above-mentioned
In putting, in addition to the equipment shown in Fig. 1 and Fig. 2, as shown in Fig. 3 left figures, the system is also wrapped
Include：
Chamber, for placing the cover body and the test platform of the device of the calm test, and
The temperature of the environment needed for test specimen is provided.
In order to the temperature inside and outside the device for ensureing calm test reaches balance, the length of side of case in the chamber
More than or equal to 2 times of the cover body length of side, the height of case is more than or equal to described in the chamber
4 times of test platform height, calm experimental rig cover body size dimension is not more than the case length of side in chamber
1/2, the height of test platform is greater than 1/4 of case height in chamber；It is described when calm test is carried out
Each face of the device of calm test is not less than the 1/5 of the chamber length of side with the distance of test chamber interior wall.
Specifically, in chamber air circulation figure as shown in Fig. 3 right figure dotted arrows, from after chamber on
Square air outlet, with the chamber back lower place return air inlet air circulation loop is formed." front, rear, left and right,
On " air circulation intercepts outside calm experimental rig, be merely able to adjust window and test by wind speed by 5 faces
Platform lower section is entered into device, and the angle of window opening and closing is adjusted by adjusting wind speed, can control to enter into
Throughput in device, so as to control the wind speed around test specimen and temperature.Temperature sensor and wind speed
Sensor should be fixed on test specimen periphery according to test specimen actual conditions, so can more accurately measure
Temperature and wind speed suffered by test specimen；So so that the device of calm test is a semi-enclosed structure,
By wind speed adjust window, the space between testing stand face net plane and four pin, can with chamber inside
Other regions keep certain gas exchanges.While ensureing that wind speed is reduced inside device, can also make
Obtain temperature and test the temperature inside the box in device and reach balance, it is real such that it is able to the difference of chamber temperature
The calm experimental condition of existing wide scope, i.e., can carry out high temperature test, can also carry out low-temperature test.
Thus, carrying out the concrete steps of calm test as shown in figure 4, comprising the following steps：
Step 1, initialization context are arranged
The calm experimental rig of fixation, after placing test specimen, installs air velocity transducer and temperature sensor, adjustment
Wind speed adjusts window and is opened and closed angle to correct position, while design temperature and wind speed warning value on PC.
Step 2, chamber are tested
After setting chamber, test, air outlet are proceeded by.
Step 3, acquisition test specimen ambient conditions
After product reaches thermal balance, digital collection instrument is obtained by air velocity transducer and temperature sensor
Test specimen ambient condition information, and temperature information and wind speed information are fed back into PC.
Step 4, judge whether to need adjustment
PC is collected after wind speed and temperature information, shows result on a display screen first, at the same with initialization
Warning value compares in ambient As, if exceeding warning value, sends alarm；If in normal range (NR),
Then without the need for adjustment, test continues.
Step 5, send warning information
If PC is after the actual value and warning value of C.T and wind speed, judgement needs to report to the police, then send out
Go out chimes of doom, point out laboratory technician to adjust calm experimental rig and incubator.
Step 6, regulation wind speed and temperature
After warning information is received, testing crew divides into temperature alarming and wind speed is reported to the police；Temperature alarming should
Incubator design temperature is adjusted according to actual conditions, wind speed alarm then adjusts wind speed and adjusts window angle.
It is compared to prior art, the present invention has filled up using general at present that to have wind chamber to carry out calm
The blank of test, and device is simple, cost is relatively low, and can fully be multiplexed the wind that has general at present and test
Case, the characteristics of this method has low cost, easily realizes；In addition it is of the invention applied widely, both it had been adapted to non-
Heat radiating type test specimen, also is adapted for heat radiating type test；Both high temperature test can have been carried out, it is also possible to carry out low temperature survey
Examination；Solve a difficult problem for calm test, it is to avoid therefore cause the inaccurate defect of result of the test.
Through the above description of the embodiments, those skilled in the art can be understood that this Shen
Please be realized by hardware, it is also possible to realize by the mode of software plus necessary general hardware platform.
Based on such understanding, the technical scheme of the application can be embodied in the form of software product, and this is soft
It (can be CD-ROM, USB flash disk is mobile hard that part product can be stored in a non-volatile memory medium
Disk etc.) in, including some instructions are used so that a computer equipment (can be personal computer, take
Business device, or the network equipment etc.) perform method described in the application each implement scene.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, in accompanying drawing
Module or flow process not necessarily implement necessary to the application.
It will be appreciated by those skilled in the art that the module in the device in implement scene can be according to implement scene
Description carries out being distributed in the device of implement scene, it is also possible to carries out respective change and is disposed other than this enforcement
In one or more devices of scene.The module of above-mentioned implement scene can merge into a module, also may be used
To be further split into multiple submodule.
Above-mentioned the application sequence number is for illustration only, does not represent the quality of implement scene.
Disclosed above is only that the several of the application are embodied as scene, but, the application is not limited to
This, the changes that any person skilled in the art can think of should all fall into the protection domain of the application.
Claims (9)
1. a kind of device of calm test, it is characterised in that the device includes cover body and test platform；Its
In,
The cover body is used to be controlled described device inside wind speed；
The test platform is used to place test specimen.
2. device as claimed in claim 1, it is characterised in that the cover body is specially lower opening
Hollow cuboid cover structure.
3. device as claimed in claim 1, it is characterised in that multiple wind speed are provided with the cover body
Window is adjusted, wherein, it is adjustable that the wind speed adjusts window opening and closing angle.
4. device as claimed in claim 1, it is characterised in that the test platform is used to place tested
The loading end of test specimen is net plane, and the loading end lower section is provided with multiple strong points.
5. device as claimed in claim 1, it is characterised in that also include：
Temperature sensor, for monitoring the test specimen local environment in temperature；
Air velocity transducer, for monitoring the test specimen local environment in wind speed.
6. device as claimed in claim 5, it is characterised in that the temperature sensor and the wind speed
Sensor is arranged on the test platform predeterminated position, to realize in the test specimen local environment
Temperature and/or wind speed realize accurate monitoring.
7. device as claimed in claim 5, it is characterised in that also include：
Data collecting instrument, for obtaining the signal of the temperature sensor and the air velocity transducer, and will
The signal is converted to data signal；
Display alarm device, for receiving the data signal of the data collecting instrument, shows over the display
Show the temperature information and wind speed information of the test specimen, and based in the data signal with regard to the quilt
The temperature information and wind speed information of test block is compared with default threshold value, to judge whether that needs are carried out
With regard to the alarm of temperature and/or wind speed, and when judging to need alarm, display alarm on the display.
8. a kind of system of calm test, is applied to include in the device as described in claim 1-7, its
It is characterised by, the system also includes：
Chamber, for the cover body and the test platform in the device for placing the calm test,
And the temperature of environment needed for test specimen is provided.
9. system as claimed in claim 8, it is characterised in that the length of side of case is more than in the chamber
Or equal to 2 times of the cover body length of side, the height of case is more than or equal to the test in the chamber
4 times of podium level,
Calm experimental rig cover body size dimension is not more than 1/2 of the case length of side in chamber, the height of test platform
Degree is greater than 1/4 of case height in chamber；When calm test is carried out, the device of the calm test
Each face is not less than the 1/5 of the chamber length of side with the distance of test chamber interior wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747006.XA CN106680187A (en) | 2015-11-05 | 2015-11-05 | Device and system for windless test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747006.XA CN106680187A (en) | 2015-11-05 | 2015-11-05 | Device and system for windless test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106680187A true CN106680187A (en) | 2017-05-17 |
Family
ID=58857302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510747006.XA Pending CN106680187A (en) | 2015-11-05 | 2015-11-05 | Device and system for windless test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106680187A (en) |
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| CN201819958U (en) * | 2010-09-30 | 2011-05-04 | 泰琪科技股份有限公司 | Windless tester |
| CN202229780U (en) * | 2011-08-19 | 2012-05-23 | 中兴通讯股份有限公司 | Temperature test box and heating device |
| CN103374522A (en) * | 2012-04-16 | 2013-10-30 | 北京华慧天行科技有限公司 | Temperature and humidity guaranteeing device of biological culture box |
| CN103953271A (en) * | 2014-05-21 | 2014-07-30 | 苏州太丰玻璃饰品有限公司 | Self-locking blind window louver blade capable of adjusting and controlling air speed |
| CN204365328U (en) * | 2014-12-29 | 2015-06-03 | 广州威锘浦环境试验设备有限公司 | Calm simulated environmental test device |
| CN204461978U (en) * | 2015-03-06 | 2015-07-08 | 重庆银河试验仪器有限公司 | There is the environmental test chamber of calm protective device |
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2015
- 2015-11-05 CN CN201510747006.XA patent/CN106680187A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719239A (en) * | 2005-07-27 | 2006-01-11 | 马骉 | Air convection heat exchanger coefficient measuring instrument |
| CN201411597Y (en) * | 2009-05-22 | 2010-02-24 | 西安德高印染自动化工程有限公司 | Foam drying oven air flow regulating device |
| CN101718676A (en) * | 2009-11-24 | 2010-06-02 | 中国兵器工业第五九研究所 | Atmospheric environment comprehensive natural acceleration test system |
| CN201819958U (en) * | 2010-09-30 | 2011-05-04 | 泰琪科技股份有限公司 | Windless tester |
| CN202229780U (en) * | 2011-08-19 | 2012-05-23 | 中兴通讯股份有限公司 | Temperature test box and heating device |
| CN103374522A (en) * | 2012-04-16 | 2013-10-30 | 北京华慧天行科技有限公司 | Temperature and humidity guaranteeing device of biological culture box |
| CN103953271A (en) * | 2014-05-21 | 2014-07-30 | 苏州太丰玻璃饰品有限公司 | Self-locking blind window louver blade capable of adjusting and controlling air speed |
| CN204365328U (en) * | 2014-12-29 | 2015-06-03 | 广州威锘浦环境试验设备有限公司 | Calm simulated environmental test device |
| CN204461978U (en) * | 2015-03-06 | 2015-07-08 | 重庆银河试验仪器有限公司 | There is the environmental test chamber of calm protective device |
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Application publication date: 20170517 |