CN109297889A - Humidity Test device and method - Google Patents
Humidity Test device and method Download PDFInfo
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- CN109297889A CN109297889A CN201811116099.6A CN201811116099A CN109297889A CN 109297889 A CN109297889 A CN 109297889A CN 201811116099 A CN201811116099 A CN 201811116099A CN 109297889 A CN109297889 A CN 109297889A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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Abstract
The present invention relates to a kind of Humidity Test devices, comprising: fixed frame；Cylinder is installed on the fixed frame, and the cylinder vertically extends, and the top of the cylinder is in open setting；First heating member, the bottom end in the cylinder and close to the cylinder；Objective table is liftably set in the cylinder；And humidifier, for being humidified into the cylinder, so as to form constant humidity environment in the cylinder.Humidity Test device of the present invention can be realized the temperature cycling test dual function under constant Humidity Test and constant humidity, it is vdiverse in function, experimental condition wide coverage can partially cover the experimental condition of the expensive devices such as HAST chamber, can effectively reduce experimentation cost.
Description
Technical field
The present invention relates to reliability test technical fields, more particularly to a kind of Humidity Test device and method.
Background technique
It is damp and hot to generate physics and chemical affect to electronic product, electronic device moisture expantion, insulation resistance is caused to decline,
The failure such as shell corrosion, gas leakage, electric leakage, short circuit, the electrochemistry that metal material is also resulted under the effect of moist and electric stress are moved
Move phenomenon.Humidity Test is the effective technology means for studying electronic product hectic fever environmental suitability and reliability.It is warm and humid at present
Degree test mainly includes steam pressure pot, steady-state damp heat test, cyclic damp heat test and high accelerated stress testing (HAST).
Sample is placed in the sealing pressure cooker of built-in deionized water by steam pressure pot, inside fills saturated vapor, and temperature is 121 DEG C；Often
The steady-state damp heat test of rule is generally in the range of 60 DEG C 660 DEG C using conventional moisture-heat test-box, steady temperature, constant humidity range
It can be from 10%RH to 68%RH；Cyclic damp heat test uses alternating temperature humidity test chamber or can control the temperature cycling test of humidity
Case, humidity is usually constant to maintain 60%RH668%RH, and temperature cycle range is usually at 25665 DEG C；HAST test then uses
Dedicated HAST chamber, for constant humidity range from 50%RH to 100%RH, steady temperature is typically larger than 100 DEG C.
Currently, carrying out the Humidity Test that temperature is more than 100 DEG C can only be tested using autoclaving or HAST, both sides
Formula can only carry out steady-state damp heat test；Conventional humidity test case can only also carry out steady-state damp heat test, and temperature can only be lower than
100℃；Alternating temperature humidity test chamber can carry out the reliability test under humidity and temperature cycles variation combination condition, but temperature is followed
Ring range is usually relatively narrow, and when temperature is more than that 100 DEG C of its humidity are uncontrollable.In addition HAST chamber and alternating temperature humidity test chamber
Etc. equipment costly, cause experimentation cost higher.
Summary of the invention
Based on this, it is necessary to it is single for traditional Humidity Test apparatus function, cost is higher, cause experimentation cost compared with
High problem provides a kind of Humidity Test device and method.
A kind of Humidity Test device includes:
Fixed frame；
Cylinder is installed on the fixed frame, and the cylinder vertically extends, and the top of the cylinder is set in opening
It sets；
First heating member, the bottom end in the cylinder and close to the cylinder；
Objective table is liftably set in the cylinder；And
Humidifier, for being humidified into the cylinder, so as to form constant humidity environment in the cylinder.
Above-mentioned Humidity Test device is humidified by humidifier into cylinder, so as to form constant humidity in cylinder
Environment, and the intracorporal air of cylinder is heated by the first heating member, so that being formed along the vertical direction in cylinder has temperature
The thermal environment of gradient.In this way, test specimen is placed on objective table, and kept after being moved to preset temperature position with objective table
Stationary state can carry out constant Humidity Test；Alternatively, test specimen is placed on objective table, and as objective table is not
With being moved or being stopped between position, the temperature cycling test under constant humidity can be realized.Above-mentioned Humidity Test dress
Set the temperature cycling test dual function that can be realized under constant Humidity Test and constant humidity, vdiverse in function, experimental condition
Wide coverage can partially cover the experimental condition of the expensive devices such as HAST chamber, can effectively reduce experimentation cost.
The Humidity Test device further includes for driving the objective table vertically side in one of the embodiments,
To the elevating mechanism of movement, the elevating mechanism includes pulley, rotating bar, transmission gear, driving motor and drag-line, the pulley
It is fixed on the fixed frame and is located at the top of the cylinder, the one ends wound of the drag-line is fixed in the rotating bar,
The other end connect around the pulley with the objective table, and the transmission gear is fixed in the rotating bar, the driving
Driving gear is fixed in the shaft of motor, the driving gear is meshed with the transmission gear.
In one of the embodiments, the driving motor be stepper motor, the Humidity Test device further include with
The controller of the driving motor electrical connection, and the controlling terminal being electrically connected with the controller, the controlling terminal storage
There are pre-set programs, the controller controls the operating status of the driving motor according to the pre-set programs.
The bottom end of the cylinder is in open setting in one of the embodiments, the humidifier include water container and
Second heating member, the water container are located at the lower section of the cylinder, the upper end of the water container in open setting and with the cylinder
The bottom end of body is connected, and second heating member is located at the lower section of the water container.
The humidifier further includes the water inlet pipe being connected to the water container, Yi Jishe in one of the embodiments,
Liquid level detection device on the water container.
The humidifier further includes the spraying dress set on the cylinder top open-mouth in one of the embodiments,
It sets, the spraying device is used for the water spray into the cylinder.
First heating member includes resistance heating wire and power conditioning module, the function in one of the embodiments,
Rate adjustment module is used to adjust the heating power of the resistance heating wire, the intracorporal temperature of the cylinder to be adjusted.
A kind of Humidity Test method, comprising the following steps:
S1, control humidifier are humidified into cylinder, so as to form constant humidity environment in the cylinder；Control first
Heating member heats the intracorporal air of the cylinder, so as to form the heat with temperature gradient in the cylinder along the vertical direction
Environment；
S2, the test specimen for being equipped with thermocouple is placed on objective table, it is anti-according to default test condition and the thermocouple
The temperature information of feedback controls the objective table in the intracorporal motion state of the cylinder and position, to carry out corresponding temperature and humidity examination
It tests.
In one of the embodiments, in above-mentioned steps S2, when the thermocouple detects that the test specimen reaches
When default test temperature environment, controls the objective table stop motion and be maintained at fixed position, to carry out constant temperature and humidity examination
It tests.
The objective table, which has, in one of the embodiments, is located at the intracorporal first position of the cylinder and the second position,
In above-mentioned steps S2, controls the objective table between the first position and the second position and moved back with pre-set velocity
It is dynamic, and control the objective table when the objective table is located at the first position and the second position and stop preset duration,
To carry out the temperature cycling test under constant humidity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Humidity Test device described in one embodiment of the invention；
Fig. 2 is the flow diagram of Humidity Test method described in one embodiment of the invention.
10, fixed frame, 20, cylinder, the 30, first heating member, 40, objective table, 51, water container, the 52, second heating member, 53,
Water inlet pipe, 54, liquid level detection device, 55, spraying device, 61, pulley, 62, rotating bar, 63, transmission gear, 64, driving motor,
65, gear, 66, drag-line, 70, controller, 80, controlling terminal are driven.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Heretofore described " first ", " second " do not represent specific quantity and sequence, are only used for title
Differentiation.
Please refer to Fig. 1, a kind of Humidity Test device includes fixed frame 10, cylinder 20, the first heating member 30, objective table 40
And humidifier.Wherein, cylinder 20 is installed on fixed frame 10, and cylinder 20 vertically extends, and the top of cylinder 20 is in spacious
Mouth setting；First heating member 30 is set to the bottom end in cylinder 20 and close to cylinder 20；Objective table 40 is liftably set to cylinder 20
It is interior；Humidifier into cylinder 20 for humidifying, so as to form constant humidity environment in cylinder 20.
Wherein, framework support and the placement of each component of the fixed frame 10 for whole device, usually can be used iron or stainless
Steel material is made, with guarantee have preferable structural strength, for example, fixed frame 10 may include frame body and be set to the intracorporal multilayer of frame
Support plate, frame body form body supports frame, and support plate is for placing or fixing each component.Cylinder 20 is for keeping temperature and humidity ring
Border, the inner cavity of cylinder 20 form the test space tested for test specimen, and the concrete shape of cylinder 20 with no restrictions, can be
Circular cylinder, square tube etc..Cylinder 20 generallys use metal material resistant to high temperature and is made, it is preferable that cylinder 20 uses aluminium alloy
It is made, cost is relatively low and light quality.
First heating member 30 generates hot environment for heating, and the first heating member 30 is set to 20 bottom of cylinder, heat is certainly
Under diffuse up, and gradually decrease the temperature in cylinder 20 from bottom to top, to form inside cylinder 20 with temperature
The thermal environment of gradient, temperature range cover arbitrary temp in+30 DEG C 6+150 DEG C, have wider temperature range, so as to full
Demand of the sufficient Humidity Test to different test temperature environment can especially be perfectly suitable for the temperature and humidity that temperature is more than 100 DEG C
Test.Humidifier to 20 delivered inside steam of cylinder for being humidified, to make the close saturation shape of the humidity in cylinder 20
For state to form constant high humidity environment, humidity can reach 68 ± 2%RH.
Objective table 40 reaches test specimen in cylinder 20 for placing test specimen
Different location, and the different location in cylinder 20 corresponds to different temperature environments, in this way, can be according to test condition, by loading
Platform 40 is moved to corresponding position.There are many concrete modes for realizing the lifting of objective table 40, such as can be drawn by drag-line 66
Dynamic object stage 40 moves up and down, or is connected by telescopic rod with objective table 40 and is moved up and down with band dynamic object stage 40, or
Person the sliding rail extended vertically can be arranged in cylinder 20 so that objective table 40 moves along sliding rail and go up and down etc., does not do have herein
Body limits.
Above-mentioned Humidity Test device is humidified by humidifier into cylinder 20, so as to be formed in cylinder 20 constant
Humidity environment, and the air in cylinder 20 is heated by the first heating member 30, so that shape along the vertical direction in cylinder 20
At the thermal environment with temperature gradient.In this way, test specimen is placed on objective table 40, and with objective table 40 be moved to it is default
Temperature level postpones the state of being kept fixed, and can carry out constant Humidity Test；Alternatively, test specimen is placed on objective table 40,
And as objective table 40 is moved or stopped between the different positions, the temperature cycling test under constant humidity can be realized.
Above-mentioned Humidity Test device can be realized the temperature cycling test dual function under constant Humidity Test and constant humidity,
Vdiverse in function, experimental condition wide coverage can partially cover the experimental condition of the expensive devices such as HAST chamber, can be effective
Reduce experimentation cost.
Humidity Test device further includes moving along the vertical direction for driving objective table 40 in one of the embodiments,
Elevating mechanism, elevating mechanism includes pulley 61, rotating bar 62, transmission gear 63, driving motor 64 and drag-line 66, and pulley 61 is solid
Due to the top on fixed frame 10 and positioned at cylinder 20, the one ends wound of drag-line 66 is fixed in rotating bar 62, and the other end bypasses
Pulley 61 and connect with objective table 40, transmission gear 63 is fixed in rotating bar 62, and drive is fixed in the shaft of driving motor 64
Moving gear 65, driving gear 65 are meshed with transmission gear 63.
Specifically, fixed frame 10 is equipped with the crossbeam installed for pulley 61, pulley 61 be located at the top of cylinder 20 and with cylinder
The open end of body 20 is opposite, and rotating bar 62 extends along the vertical direction and be located at the outside of cylinder 20, and one end fixation of drag-line 66 twines
It is around in rotating bar 62, the other end connect around pulley 61 with objective table 40.In use, driving motor 64 operates, sliding tooth
Wheel 65 is engaged with transmission gear 63 to drive rotating bar 62 to rotate, and then the circle number that drag-line 66 can be made to be wound in rotating bar 62 increases
It adds deduct few, to make to rise or fall by the drag-line 66 of pulley 61 with dynamic object stage 40, and is turned by control motor
Speed can control the lifting speed of objective table 40.
Further, in order to ensure control precision and the accuracy of test, driving motor 64 is stepper motor, temperature and humidity examination
Experiment device further includes the controller 70 being electrically connected with driving motor 64, and the controlling terminal 80 being electrically connected with controller 70, control
Terminal 80 processed is stored with pre-set programs, and controller 70 controls the operating status of driving motor 64 according to pre-set programs.Wherein, it controls
Terminal 80 can be the PC with programing function, by controlling terminal 80 program manipulation controller 70 realize driving motor 64 just/
Reversion control, residence time control and revolving speed control etc., to meet different experimental condition demands.Specifically, pass through controller
70 control driving motors 64 can realize rising or falling for objective table 40 forward or reverse, preset so that test specimen reaches
Test temperature environment；Residence time by controlling driving motor 64 can get test specimen in corresponding test temperature environment
In residence time；Revolving speed by controlling driving motor 64 can realize the uniform motion of test specimen between the different positions
Control, so that different rate temperature changes is obtained, for example, the control by driving motor 64 can control rate temperature change
At 10 DEG C/min 615 DEG C/min.
In open setting, humidifier includes water container 51 and second for the bottom end of cylinder 20 in one of the embodiments,
Heating member 52, water container 51 are located at the lower section of cylinder 20, and the upper end of water container 51 is in open setting and the bottom end phase with cylinder 20
Connection, the second heating member 52 are located at the lower section of water container 51.Specifically, the water in water container 51 is added by the second heating member 52
Heat and generate steam, steam is spread from 20 bottom end open-mouth of cylinder into cylinder 20, and makes cylinder 20 in generation high humidity environment,
Humidity in cylinder 20 is kept constant close to saturation state.Wherein, the second heating member 52 can be heated by heat radiation, infrared to add
The modes such as heat or electromagnetic heating are heated, for example, electromagnetic oven can be used in the second heating member 52.Water container 51 is used to hold water,
And it needs to bear high temperature, such as stainless-steel pan can be used.
Further, humidifier further includes the water inlet pipe 53 being connected to water container 51, and on water container 51
Liquid level detection device 54.During the test, by (such as liquidometer) real-time monitoring of liquid level detection device 54 water container 51
Water level, when the water content consumption in water container 51 and be lower than certain water level when, mended in time into water container 51 by water inlet pipe 53
Water-filling can be kept constant constantly with the humidity ensured in cylinder 20.Moisturizing time point can according to the actual situation depending on, generally will be extremely
Guarantee that the consumption of water container 51 more than half not be advisable less.
Further, humidifier further includes the spraying device 55 set on 20 top open-mouth of cylinder, and spraying device 55 is used
In the water spray into cylinder 20.In order to guarantee to generate biggish temperature gradient in cylinder 20, the height of cylinder 20 is usual
What is be arranged is higher, and the humidity that so may result in 20 top of cylinder decreases.By the way that spraying dress is arranged on 20 top of cylinder
55 are set, may be, for example, spray fan, to supplement water mist into cylinder 20, also the moment keeps high humidity ring to make the top of cylinder 20
Border can so guarantee the consistency of 20 interior humidity of cylinder well, to ensure the accuracy tested.On the other hand, pass through
Spray fan can also be to cooling down, to further increase the temperature gradient in cylinder 20 at the top of cylinder 20.
The first heating member 30 includes resistance heating wire and power conditioning module, power regulation in one of the embodiments,
Module is used to adjust the heating power of resistance heating wire, the temperature in cylinder 20 to be adjusted.Specifically, resistance heating wire
It is set to 20 bottom of cylinder in a ring, after energization, resistance heating wire's fever can be to being heated in cylinder 20 to generate high temperature
Environment.It is adjusted by heating power of the power conditioning module to resistance heating wire, can realize 20 bottom of cylinder and top
Temperature value adjusting, by cylinder 20 temperature gradient control test needed for temperature within the scope of.
Referring to figure 2., the present invention also proposes a kind of Humidity Test method, comprising the following steps:
S1, control humidifier are humidified into cylinder 20, so as to form constant humidity environment in cylinder 20；Control first
Heating member 30 heats the air in cylinder 20, so as to form the hot ring with temperature gradient in cylinder 20 along the vertical direction
Border；
S2, the test specimen for being equipped with thermocouple is placed on objective table 40, is fed back according to default test condition and thermocouple
Motion state and position of the temperature information control objective table 40 in cylinder 20, to carry out corresponding Humidity Test.
The examination of the temperature cycles under constant Humidity Test or constant humidity can be carried out by above-mentioned Humidity Test method
It tests, easy to operate, experimentation cost is lower.Specifically, before on-test, control humidifier is humidified into cylinder 20,
For example, can carry out heating to the water in water container 51 by the second heating member 52 generates steam, and open the spray at 20 top of cylinder
55 water spray of mist device, so as to reach constant high humidity environment in cylinder 20, general humidity can be constant in 68 ± 2%RH,
Rh value can be measured by hygrometer.Then, the air in cylinder 20 is heated by the first heating member 30,
The bottom-up diffusion of thermal current, to make to generate temperature gradient along the vertical direction in cylinder 20.When the humidity and temperature in cylinder 20
After degree reaches stable state, the test specimen for being equipped with thermocouple is placed on objective table 40, is carried by default test condition control
Object platform 40 moves, and reaches test specimen in preset test temperature environment, and thermocouple is wherein pasted on test specimen, is led to
It crosses thermocouple to detect temperature, can judge whether test sample reaches position corresponding to default test condition.
In one of the embodiments, in above-mentioned steps S2, when thermocouple detects that test specimen reaches default test
When temperature environment, controls 40 stop motion of objective table and be maintained at fixed position, to carry out constant Humidity Test.Specifically,
Any position of cylinder 20 along the vertical direction all corresponds to different temperature values, by controlling the lifting of objective table 40, to examination
Temperature environment locating for sample is tested to be adjusted, when thermocouple detects that test specimen reaches default test temperature environment,
When meeting test condition, just controls 40 stop motion of objective table and be maintained at fixed position, so as to carry out to test specimen
Constant Humidity Test.
Objective table 40 has the first position and the second position being located in cylinder 20 in one of the embodiments, upper
It states in step S2, control objective table 40 is moved back and forth between first position and the second position with pre-set velocity, and in objective table
40, which control objective table 40 when being located at first position and the second position, stops preset duration, to carry out the temperature cycles under constant humidity
Test.
Specifically, the first position in cylinder 20 and the second position respectively correspond different temperature environments, for example, first
Setting can be to correspond to hot environment positioned at the position of 20 bottom of cylinder, and the second position can be low to correspond to positioned at the position at 20 top of cylinder
Warm environment, by Control experiment sample in 20 bottom of cylinder and two, top position and in the residence time of corresponding position,
Obtain high temperature, low temperature and the residence time under corresponding temperature in temperature cycling test；Loading is controlled by driving motor 64
Movement velocity of the platform 40 between first position and the second position and can realize the at the uniform velocity fortune of test specimen between the two positions
It is dynamic, and obtain different rate temperature changes；By the program-controlled realization objective table of controlling terminal 80 40 in first position and second
According to pre-set velocity continuous moving and stop preset duration between setting, under the constant high humidity that can realize the setting period
Temperature cycling test.For example, in a Humidity Test, settable test condition are as follows:+150 DEG C of first position corresponding temperature, the
Two+40 DEG C of position corresponding temperatures, first position (high temperature) and the second position (low temperature) residence time about 5 minutes, temperature change
Rate is 10 DEG C/min, is tested further according to above-mentioned steps.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of Humidity Test device characterized by comprising
Fixed frame；
Cylinder is installed on the fixed frame, and the cylinder vertically extends, and the top of the cylinder is in open setting；
First heating member, the bottom end in the cylinder and close to the cylinder；
Objective table is liftably set in the cylinder；And
Humidifier, for being humidified into the cylinder, so as to form constant humidity environment in the cylinder.
2. Humidity Test device according to claim 1, which is characterized in that further include for driving the objective table edge
The elevating mechanism of up and down direction movement, the elevating mechanism includes pulley, rotating bar, transmission gear, driving motor and drag-line, institute
It states pulley and is fixed on the top on the fixed frame and being located at the cylinder, the one ends wound of the drag-line is fixed on the rotation
On bar, the other end is connect around the pulley with the objective table, and the transmission gear is fixed in the rotating bar, described
Driving gear is fixed in the shaft of driving motor, the driving gear is meshed with the transmission gear.
3. Humidity Test device according to claim 2, which is characterized in that the driving motor is stepper motor, institute
Stating Humidity Test device further includes the controller being electrically connected with the driving motor, and the control being electrically connected with the controller
Terminal processed, the controlling terminal are stored with pre-set programs, and the controller controls the driving motor according to the pre-set programs
Operating status.
4. Humidity Test device according to claim 1, which is characterized in that the bottom end of the cylinder is arranged in open,
The humidifier includes water container and the second heating member, and the water container is located at the lower section of the cylinder, the water container
Upper end is connected in open setting and with the bottom end of the cylinder, and second heating member is located at the lower section of the water container.
5. Humidity Test device according to claim 4, which is characterized in that the humidifier further includes and the water
The water inlet pipe of reservoir, and the liquid level detection device on the water container.
6. Humidity Test device according to claim 4, which is characterized in that the humidifier further includes set on described
The spraying device of cylinder top open-mouth, the spraying device are used for the water spray into the cylinder.
7. according to claim 1 to Humidity Test device described in 6 any one, which is characterized in that first heating member
Including resistance heating wire and power conditioning module, the power conditioning module is used to adjust the heating function of the resistance heating wire
Rate, the intracorporal temperature of the cylinder to be adjusted.
8. a kind of Humidity Test method, which comprises the following steps:
S1, control humidifier are humidified into cylinder, so as to form constant humidity environment in the cylinder；The first heating of control
Part heats the intracorporal air of the cylinder, so as to form the hot ring with temperature gradient in the cylinder along the vertical direction
Border；
S2, the test specimen for being equipped with thermocouple is placed on objective table, is fed back according to default test condition and the thermocouple
Temperature information controls the objective table in the intracorporal motion state of the cylinder and position, to carry out corresponding Humidity Test.
9. Humidity Test method according to claim 8, which is characterized in that in above-mentioned steps S2, when the thermoelectricity
When occasionally detecting that the test specimen reaches default test temperature environment, controls the objective table stop motion and be maintained at fixed
Position, to carry out constant Humidity Test.
10. Humidity Test method according to claim 8, which is characterized in that the objective table, which has, is located at the cylinder
Intracorporal first position and the second position control the objective table in the first position and described in above-mentioned steps S2
Moved back and forth between two positions with pre-set velocity, and is located at the first position and the second position time control in the objective table
It makes the objective table and stops preset duration, to carry out the temperature cycling test under constant humidity.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946390A (en) * | 2021-02-02 | 2021-06-11 | 中国石油大学(华东) | Humidity-temperature cycle test device and method based on temperature cycle |
| CN113092668A (en) * | 2021-03-04 | 2021-07-09 | 顾翔翔 | Humidity-adjustable biological test device |
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| US20030097890A1 (en) * | 2001-11-29 | 2003-05-29 | Honda Giken Kogyo Kabushiki Kaisha | Personal-watercraft testing apparatus |
| CN105445323A (en) * | 2015-12-22 | 2016-03-30 | 广州合成材料研究院有限公司 | Continuous condensate water damp-heat tester |
| CN206161496U (en) * | 2016-10-14 | 2017-05-10 | 海南大学 | Automatic tester of thermal shock |
| CN107991222A (en) * | 2017-10-31 | 2018-05-04 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Door hinge corrosion resistance detection device |
| CN107975242A (en) * | 2017-11-15 | 2018-05-01 | 长沙市凤英机械科技有限公司 | A kind of material lifting device for construction |
| CN108051684A (en) * | 2017-12-26 | 2018-05-18 | 华测检测认证集团股份有限公司 | Multitask multi-temperature section is carried out at the same time automotive material aging test equipment |
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| CN112946390A (en) * | 2021-02-02 | 2021-06-11 | 中国石油大学(华东) | Humidity-temperature cycle test device and method based on temperature cycle |
| CN113092668A (en) * | 2021-03-04 | 2021-07-09 | 顾翔翔 | Humidity-adjustable biological test device |
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Address after: 511300 No.78, west of Zhucun Avenue, Zhucun street, Zengcheng District, Guangzhou City, Guangdong Province Applicant after: CHINA ELECTRONIC PRODUCT RELIABILITY AND ENVIRONMENTAL TESTING Research Institute (THE FIFTH ELECTRONIC Research Institute OF MIIT)(CEPREI LABORATORY)) Address before: 510610 No. 110 Zhuang Road, Tianhe District, Guangdong, Guangzhou, Dongguan Applicant before: CHINA ELECTRONIC PRODUCT RELIABILITY AND ENVIRONMENTAL TESTING Research Institute (THE FIFTH ELECTRONIC Research Institute OF MIIT)(CEPREI LABORATORY)) |
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Application publication date: 20190201 |