CN206325582U - A kind of environmental stress screening chamber - Google Patents
A kind of environmental stress screening chamber Download PDFInfo
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- CN206325582U CN206325582U CN201621443678.8U CN201621443678U CN206325582U CN 206325582 U CN206325582 U CN 206325582U CN 201621443678 U CN201621443678 U CN 201621443678U CN 206325582 U CN206325582 U CN 206325582U
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- experimental cabin
- environmental stress
- stress screening
- case
- screening chamber
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Abstract
The utility model is related to testing equipment technical field, more particularly to a kind of environmental stress screening chamber, including installs case and experimental cabin, installs and circulation air path is formed between case and experimental cabin, install and water tank, condenser and compressor are provided with case；Humidifier, evaporator, heater strip, axial-flow leaf and shutter are provided with circulation air path；Condenser, compressor and evaporator connection；Water tank and humidifier connection；Humidifier, evaporator, heater strip, aerofoil fan and shutter connection；Shutter is at experimental cabin air outlet；Experimental cabin is provided with chamber door, and chamber door, which is provided with observation window, observation window, is provided with Electric radiant Heating Film.When the environmental stress screening chamber works, air is after temperature adjustment, damping, under the driving of axial-flow leaf, into shutter, air is disperseed and adjusts airflow direction by shutter, makes temperature change in experimental cabin rapider, uniformity of temperature profile, makes stress screening test result more accurate.
Description
Technical field
The utility model is related to testing equipment technical field, more particularly to a kind of environmental stress screening chamber.
Background technology
Environmental stress screening experiment is one kind of electronic product reliability test, is followed by applying temperature on electronic product
Zernike annular polynomial, to differentiate and reject a kind of process or method of initial failure caused by Product Process and element.
Environmental stress chamber carries out stress screening by quick temperature change.But, existing environmental stress experiment
When case works, air is after temperature adjustment, damping, and by the wind exhausting outlet of small area, such as air outlet is discharged into experimental cabin.It is this
There is problems with working method：1. because air outlet is small, test air-flow disperses uneven, cause temperature field disorderly, temperature is equal
Evenness, fluctuation degree are poor；2. each spot temperature difference of subjects is big, discontinuity；3. because air-flow can not go directly in experiment
Interiors of products, environmental stress is mainly absorbed by product casing；4. environmental stress, which does not have, is quickly delivered to key position.In addition,
When the internal-external temperature difference of environmental stress chamber is larger, easy fogging in visual windows influences normal observation.
Therefore, a kind of environmental stress screening chamber of offer is needed badly, to solve the deficiencies in the prior art.
Utility model content
The utility model purpose is, for a kind of environmental stress screening chamber that prior art is not enough and provides.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of environmental stress screening chamber, including case and experimental cabin are installed, formed between the installation case and experimental cabin
Water tank, condenser and compressor are provided with circulation air path, the installation case；In the circulation air path provided with humidifier, evaporator,
Heater strip, axial-flow leaf and shutter；The condenser, the compressor and evaporator connection；The water tank and described
Humidifier is connected；The humidifier, the evaporator, the heater strip, the aerofoil fan and shutter connection；It is described
Shutter is at the experimental cabin air outlet；The experimental cabin is provided with chamber door, and the chamber door is provided with observation window, the sight
Examine and Electric radiant Heating Film is provided with window.
More preferably, temperature sensor and humidity sensor are provided with the experimental cabin.
More preferably, the observation window is provided with illuminating lamp.
More preferably, case also is hung including guidance panel, the guidance panel hangs the side that case is installed on the experimental cabin, described
Humidifier, the evaporator, the heater strip, the temperature sensor, the humidity sensor are hung with the guidance panel
Case is electrically connected with.
More preferably, the water tank is provided with water-level measuring post.
More preferably, the interior cabin of the experimental cabin is made up of mirror face stainless steel.
More preferably, also including castor pin cup, the castor pin cup is installed on the bottom of the installation case.
The beneficial effects of the utility model are：
1. the environmental stress screening chamber works, air is after temperature adjustment, damping, under the driving of axial-flow leaf,
Into shutter, air is disperseed and adjusts airflow direction by the shutter, makes temperature change in experimental cabin rapider, temperature point
Cloth is uniform, makes stress screening test result more accurate；
2. the environmental stress screening chamber, which is provided with observation window, the observation window, is provided with Electric radiant Heating Film, the Electric radiant Heating Film work
Heat, can prevent from sweating on observation window or fogging, convenient observation.
Brief description of the drawings
Fig. 1 is a kind of right view of environmental stress screening chamber of the present utility model.
Fig. 2 is a kind of front view of environmental stress screening chamber of the present utility model.
Fig. 3 is a kind of top view of environmental stress screening chamber of the present utility model.
Embodiment
The utility model is further described with reference to embodiment, this is preferred embodiment of the present utility model.
As Figure 1-3, a kind of environmental stress screening chamber, including case 1 and experimental cabin 2, the installation He of case 1 are installed
Formed between experimental cabin 2 in circulation air path 3, the installation case 1 and be provided with water tank 11, condenser 12 and compressor 13；The circulation
Humidifier 31, evaporator 32, heater strip 33, axial-flow leaf 34 and shutter 35 are provided with air channel 3；It is the condenser 12, described
Compressor 13 and the evaporator 32 are connected；The water tank 11 and the humidifier 31 are connected；The humidifier 31, the evaporation
Device 32, the heater strip 33, the aerofoil fan 34 and the shutter 35 are connected；The shutter 35 is located at the experimental cabin
At 2 air outlets；The experimental cabin 2 is provided with chamber door 21, and the chamber door 21 is provided with observation window 22, the observation window 22 and is provided with
Electric radiant Heating Film.When the environmental stress screening chamber works, air under the driving of axial-flow leaf 34, enters after temperature adjustment, damping
Enter shutter 35, air is disperseed and adjusts airflow direction by the shutter 35, make temperature change in experimental cabin 2 rapider, temperature
Degree is evenly distributed.Chamber door 21, which is provided with observation window 22, the observation window 22, is provided with Electric radiant Heating Film, is heated during the Electric radiant Heating Film work,
It can prevent from sweating on observation window or fogging, convenient observation.
More preferably, temperature sensor and humidity sensor are provided with the experimental cabin 2.Temperature sensor and humidity sensor
Temperature and humidity in monitoring test cabin 2, it is more accurate than the wet and dry bulb Hygrothermograph that traditional environmental stress screening chamber is used
Really and be easy to safeguard.
More preferably, the observation window 22 is provided with illuminating lamp 23.When dark in the experimental cabin 2, it can use
The illuminating lamp 23 is illuminated, convenient observation.
More preferably, case 4 also is hung including guidance panel, the guidance panel hangs the side that case 4 is installed on the experimental cabin 2,
The humidifier 31, the evaporator 32, the heater strip 33, the temperature sensor, the humidity sensor with it is described
Guidance panel is hung case 4 and is electrically connected with.Temperature and humidity in experimental cabin 2 can be obtained by hanging the display screen on case 4 by control panel,
User can also hang test temperature, humidity and the working procedure in the setting experimental cabin 2 of case 4 by control panel.
More preferably, the water tank 11 is provided with water-level measuring post.The water-level measuring post is used to observe water level in the water tank 11.
More preferably, the interior cabin of the experimental cabin 2 is made up of mirror face stainless steel.Due to often condensing the globule in experimental cabin 2,
The interior cabin of stainless steel is more resistant to corrosion.
More preferably, also including castor pin cup 5, the castor pin cup 5 is installed on the bottom of the installation case 1.Castor pin cup 6
For moving and adjusting the environmental stress screening chamber.
The beneficial effects of the utility model are：
1. the environmental stress screening chamber works, air is after temperature adjustment, damping, under the driving of axial-flow leaf,
Into shutter, air is disperseed and adjusts airflow direction by the shutter, makes temperature change in experimental cabin rapider, temperature point
Cloth is uniform, makes stress screening test result more accurate；
2. the environmental stress screening chamber, which is provided with observation window, the observation window, is provided with Electric radiant Heating Film, the Electric radiant Heating Film work
Heat, can prevent from sweating on observation window or fogging, convenient observation.
The utility model is not limited to above-mentioned embodiment, it is all using structure similar with the utility model and its method come real
All modes of existing the utility model purpose, within protection domain of the present utility model.
Claims (7)
1. a kind of environmental stress screening chamber, including case and experimental cabin are installed, it is characterised in that：The installation case and experimental cabin
Between form circulation air path, water tank, condenser and compressor are provided with the installation case；Provided with humidification in the circulation air path
Device, evaporator, heater strip, axial-flow leaf and shutter；The condenser, the compressor and evaporator connection；It is described
Water tank and humidifier connection；The humidifier, the evaporator, the heater strip, the aerofoil fan and the blinds
Window is connected；The shutter is at the experimental cabin air outlet；The experimental cabin is provided with chamber door, and the chamber door is provided with sight
Examine and Electric radiant Heating Film is provided with window, the observation window.
2. environmental stress screening chamber according to claim 1, it is characterised in that：Passed in the experimental cabin provided with temperature
Sensor and humidity sensor.
3. environmental stress screening chamber according to claim 1, it is characterised in that：The observation window is provided with illumination
Lamp.
4. environmental stress screening chamber according to claim 2, it is characterised in that：Also include guidance panel and hang case, institute
State guidance panel and hang the side that case is installed on the experimental cabin, the humidifier, the evaporator, the heater strip, the temperature
Spend sensor, the humidity sensor and case electric connection is hung with the guidance panel.
5. environmental stress screening chamber according to claim 1, it is characterised in that：The water tank is provided with water-level measuring post.
6. environmental stress screening chamber according to claim 1, it is characterised in that：The interior cabin of the experimental cabin is by minute surface
Stainless steel is made.
7. environmental stress screening chamber according to claim 1, it is characterised in that：Also include castor pin cup, the pin
Caster cup is installed on the bottom of the installation case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443678.8U CN206325582U (en) | 2016-12-26 | 2016-12-26 | A kind of environmental stress screening chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443678.8U CN206325582U (en) | 2016-12-26 | 2016-12-26 | A kind of environmental stress screening chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206325582U true CN206325582U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621443678.8U Active CN206325582U (en) | 2016-12-26 | 2016-12-26 | A kind of environmental stress screening chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN206325582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703180A (en) * | 2017-10-23 | 2018-02-16 | 中国电建集团成都勘测设计研究院有限公司 | Organic patching material apparatus for measuring linear expansion coefficient |
| CN110763628A (en) * | 2019-11-18 | 2020-02-07 | 福州大学 | Multifunctional smoke and fog box device and working method thereof |
| CN113680401A (en) * | 2021-08-20 | 2021-11-23 | 海拓仪器(江苏)有限公司 | Frostless high and low temperature testing machine with double doors |
-
2016
- 2016-12-26 CN CN201621443678.8U patent/CN206325582U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703180A (en) * | 2017-10-23 | 2018-02-16 | 中国电建集团成都勘测设计研究院有限公司 | Organic patching material apparatus for measuring linear expansion coefficient |
| CN110763628A (en) * | 2019-11-18 | 2020-02-07 | 福州大学 | Multifunctional smoke and fog box device and working method thereof |
| CN113680401A (en) * | 2021-08-20 | 2021-11-23 | 海拓仪器(江苏)有限公司 | Frostless high and low temperature testing machine with double doors |
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