CN220657572U - Constant temperature and humidity test box - Google Patents
Constant temperature and humidity test box Download PDFInfo
- Publication number
- CN220657572U CN220657572U CN202322284194.XU CN202322284194U CN220657572U CN 220657572 U CN220657572 U CN 220657572U CN 202322284194 U CN202322284194 U CN 202322284194U CN 220657572 U CN220657572 U CN 220657572U
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- humidity
- box
- constant temperature
- test
- sealing plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 100
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to the technical field of constant temperature and humidity equipment and discloses a constant temperature and humidity test box which comprises a box body, a heat-conducting sealing plate, a sealing ring and a cover cap, wherein the sealing ring comprises an annular main body sleeved on the outer wall of the box body, the inner wall of the annular main body extends upwards and inclines outwards to form a conical ring, the heat-conducting sealing plate is covered on the conical ring and is adhered and sealed with the conical ring, the heat-conducting sealing plate cover, the sealing ring and the box body are sealed to form a test cavity, a temperature sensor and a humidity sensor for detecting the temperature and the humidity in the test cavity are respectively arranged on the heat-conducting sealing plate, a thermoelectric module for being electrically connected with the temperature sensor is further arranged on the heat-conducting sealing plate, a humidifying system and a drying system which are communicated with the test cavity are arranged outside the box body, and a stirring device for stirring the gas in the test cavity is also arranged on the heat-conducting sealing plate. The utility model has the beneficial effects that: the test cavity has good tightness and uniform temperature and humidity distribution.
Description
Technical Field
The utility model relates to the technical field of constant temperature and humidity equipment, in particular to a constant temperature and humidity test box.
Background
The constant temperature and humidity test box is used for detecting the performance of materials in various environments, can also be used for testing the heat resistance, cold resistance, dry resistance, humidity resistance and other performances of various materials, is necessary test equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, and is used for testing and determining parameters and performances of electricians, electronics and other products and materials after the temperature environment of high temperature, low temperature, alternating humidity or constant test is changed.
However, when the conventional test chamber is used, the sealing performance of the test chamber is poor, so that the difference between the internal environment of the test chamber and the required test environment is large, and meanwhile, the humidity and the temperature in the test chamber are not easy to adjust and are easy to be unevenly distributed, so that the test result is inaccurate.
Disclosure of Invention
The utility model aims to provide a constant temperature and humidity test box, which aims to solve the technical problem that in the prior art, the test cavity has poor tightness and inaccurate test results caused by uneven temperature distribution.
In order to achieve the above purpose, the utility model provides a constant temperature and humidity test box, which comprises a box body, a heat-conducting sealing plate, a sealing ring and a cover cap, wherein the sealing ring comprises an annular main body sleeved on the outer wall of the box body, the inner wall of the annular main body extends upwards and inclines outwards to form a conical ring, the heat-conducting sealing plate is covered on the conical ring and is in fit sealing with the conical ring, the heat-conducting sealing plate cover, the sealing ring and the box body are sealed to form a test cavity, a temperature sensor and a humidity sensor which are respectively used for detecting the temperature and the humidity in the test cavity are arranged on the heat-conducting sealing plate, a protective cover is arranged outside the temperature sensor and the humidity sensor, a thermoelectric module which is used for being electrically connected with the temperature sensor is further arranged on the heat-conducting sealing plate, a humidifying system and a drying system which are communicated with the test cavity are electrically connected with the thermoelectric module, and a stirring device which is used for stirring the gas in the test cavity is further arranged on the heat-conducting sealing plate, and the thermoelectric module, the humidifying system and the drying system are electrically connected with the stirring device.
Still further, the box towards one side of shroud is equipped with around the annular bulge of experimental chamber setting, annular main part cover is established annular bulge periphery.
Still further, agitating unit is including vertical installing the motor on the heat conduction shrouding, the output shaft of motor has stirring vane, stirring vane is located in the test chamber, stirring vane dustcoat is equipped with the protection screen panel.
Still further, be equipped with on the box with first mouthful and the second mouth of experimental chamber intercommunication, humidification system is including the vacuum pump and the liquid storage pot of intercommunication each other, first mouthful with the vacuum pump intercommunication, the second mouth with liquid storage pot intercommunication.
Furthermore, the bottom surface of the test cavity is sunken to be formed with a water storage tank away from the test cavity, and a water outlet penetrating through the bottom surface of the box body is formed in the bottom surface of the water storage tank.
Further, the inner wall of the test cavity is sprayed with a hydrophobic layer.
Further, the box body and the cover cap are made of heat-insulating materials.
Furthermore, the bottom of the box body is uniformly provided with supporting legs.
Compared with the prior art, the constant temperature and humidity test box provided by the embodiment of the utility model has the beneficial effects that: the sealing ring comprises an annular main body and a conical ring, the heat-conducting sealing plate cover is arranged on the box body and seals the inner cavity of the box body to form a test cavity through the conical ring, the difference between the inner environment of the test cavity and the required test environment is reduced, meanwhile, the temperature sensor, the humidity sensor, the thermoelectric module, the humidifying system and the drying system are arranged, the humidity and the temperature inside the test cavity can be adjusted in real time, the heat-conducting sealing plate is further provided with a stirring device for stirring gas in the test cavity, the humidity and the temperature in the test cavity are uniformly distributed, and the accuracy of a test result is ensured.
Drawings
FIG. 1 is a schematic diagram of a constant temperature and humidity test chamber according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the operation of the constant temperature and humidity test chamber according to the embodiment of the utility model;
FIG. 3 is a schematic diagram of the structure of the box body of the constant temperature and humidity test box according to the embodiment of the utility model.
In the figure, 1, a box body; 11. a test chamber; 12. an annular protrusion; 13. a first port; 14. a second port; 15. a water storage tank; 16. a water outlet; 17. a support leg; 2. a heat conducting sealing plate; 3. a seal ring; 31. an annular body; 32. a conical ring; 4. a cover cap; 51. a temperature sensor; 52. a thermoelectric module; 53. a protective cover; 6. a humidification system; 61. a humidity sensor; 7. a drying system; 8. a stirring device; 81. a motor; 82. stirring vane, 83, protective net cover.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. in the present utility model are based on the positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices and elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "first", "second", etc. are used in the description of various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.
As shown in fig. 1, a constant temperature and humidity test box according to a preferred embodiment of the present utility model is used for providing a constant temperature and humidity test environment, and includes a box 1, a heat conduction sealing plate 2, a sealing ring 3 and a cover 4, in order to realize the sealing of the box 1 and the heat conduction sealing plate 2, the sealing ring 3 includes an annular main body 31 sleeved on the outer wall of the box 1, the inner wall of the annular main body 31 extends upwards and inclines outwards to form a conical ring 32, the heat conduction sealing plate 2 is covered on the conical ring 32 and is sealed with the conical ring 32, the heat conduction sealing plate cover 2, the sealing ring 3 and the box 1 are sealed to form a test cavity 11, a product to be tested is placed in the test cavity 11 for detection, and in order to conveniently detect the temperature in the test cavity 11, a temperature sensor is provided on the heat conduction sealing plate 2, further, in order to conveniently adjust the temperature in the test cavity 11, a thermoelectric module 52 for adjusting the temperature in the test cavity 11 is provided, the temperature sensor 51 is electrically connected with the thermoelectric module 52, and the thermoelectric module 52 can heat or refrigerate the heat conduction sealing plate 2, thereby adjusting the temperature in the test cavity 11, and the thermoelectric module 52 is also a common component in the prior art, and can be purchased directly. Meanwhile, the heat-conducting sealing plate 2 is made of heat-conducting metal or heat-conducting material, such as copper, aluminum, stainless steel, carbon steel and the like, and the heat-conducting material is made of carbon brazing fiber, silicon carbide, graphite and the like.
Further, for the convenience of detecting the humidity in the test chamber 11, a humidity sensor 61 is provided on the heat conducting sealing plate 2, for the convenience of adjusting the humidity in the test chamber 11, a humidifying system 6 and a drying system 7 which are communicated with the test chamber 11 are provided outside the box body 1, the humidifying system 6 and the humidity sensor 61 are electrically connected, further, for the purpose of making the temperature distribution in the test chamber 11 uniform, a stirring device 8 for stirring the gas in the test chamber 11 is further provided on the heat conducting sealing plate 2, and the thermoelectric module 52, the humidifying system 6, the drying system 7 and the stirring device 8 are electrically connected.
For the convenience to install and fix a position box 1 and sealing ring 3, refer to fig. 1, fig. 2, the box is equipped with the annular bulge 12 that sets up around the test chamber towards one side of shroud 4, annular main part 31 cover is established at annular bulge 12 periphery, the same mode is also adopted to the housing and box 1 installation location, for make things convenient for housing and box 1 to fix, screw hole has been seted up at housing lateral wall circumference, be used for mounting screw, when housing and box 1 are fixed, make screw and box 1 lateral wall butt can fix, further, in order to provide the stable environment of constant temperature and humidity, box 1 and shroud 4 all adopt insulation material to make, such as PEEK, ABS, high density EPS, EPP etc. material.
The stirring device 8 is used for stirring gas in the test cavity 11 to enable the temperature distribution in the test cavity 11 to be uniform, the stirring device 8 comprises a motor 81 vertically installed on the heat conduction sealing plate 2, an output shaft of the motor 81 is connected with a stirring blade 82, the stirring blade 82 is located in the test cavity 11, further, the heat conduction sealing plate 2 can be installed only after the product to be tested is needed to be placed in the test cavity 11, so that the stirring blade 82 is prevented from colliding with the product to be tested during installation, a protective screen 83 is arranged on an outer cover of the stirring blade 82, and the protective screen 83 is fixed with the heat conduction sealing plate 2.
In order to adjust the humidity in the test chamber 11, a first port 13 and a second port 14 which are communicated with the test chamber 11 are arranged outside the box body 1, the humidifying system 6 comprises a vacuum pump and a liquid storage tank which are communicated with each other, and a humidity sensor 61 which is fixed on the heat conduction sealing plate 2 and used for detecting the humidity of the test chamber 11, the humidity sensor 61 is electrically connected with the vacuum pump for signal transmission, as shown in fig. 2, the first port 13 is communicated with the vacuum pump, the second port 14 is communicated with the liquid storage tank, the humidity in the test chamber 11 is detected through the humidity sensor 61, when the test chamber 11 is required to be humidified, the vacuum pump sucks the gas in the test chamber 11 into the liquid storage tank to form high-humidity gas, and then the high-humidity gas enters the test chamber 11 through the second port 14.
Further, when the humidity sensor 61 senses that the temperature in the test chamber 11 exceeds the target value, the humidification system 6 stops working, at this time, the drying system 7 works, and the drying system 7 adopts a desiccant drying system 7 or a heating and condensing drying system 7 commonly used in the prior art, so that detailed description of the specific principle of the drying system 7 is omitted, referring to fig. 2, the drying system 7 can compress external gas, and after drying treatment in the drying system 7, the dried gas is introduced into the test chamber 11, and meanwhile, the stirring device 8 is started, so that the temperature and humidity in the test chamber 11 are kept uniform.
Furthermore, because the constant temperature and humidity chamber is easy to generate condensed water under the condition of low temperature and high pressure, water is accumulated in the test chamber 11, and water is conveniently collected and discharged simultaneously, referring to fig. 3, the bottom surface of the test chamber 11 is concavely formed with a water storage tank 15 back to the test chamber 11, and the bottom surface of the water storage tank 15 is provided with a water outlet 16 penetrating through the bottom surface of the box body 1. Meanwhile, a hydrophobic layer is formed on the inner wall of the test cavity 11 by spraying, so that condensed water can be prevented from adhering to the inner wall of the test cavity 11, and water aggregation is quickened.
In order to avoid collision between the product to be measured and the sensor, a protective cover 53 is arranged outside the temperature sensor 51 and the humidity sensor 61. In order to conveniently support the whole test box, support legs 17 are uniformly distributed at the bottom of the box body 1, and further, in order to conveniently move the test box, brake rollers can be arranged on the support legs 17.
In summary, the embodiment of the utility model provides a constant temperature and humidity test box, the sealing ring 3 comprises an annular main body 31 and a conical ring 32, the heat conduction sealing plate 2 is arranged on the box body 1 in a covering manner and seals the inner cavity of the box body 1 to form a test cavity 11 by extruding the conical ring 32, so that the difference between the inner environment of the test cavity 11 and the required test environment is reduced, meanwhile, the temperature sensor 51, the humidity sensor 61, the thermoelectric module 52, the humidifying system 6 and the drying system 7 are arranged, the humidity and the temperature in the test cavity 11 can be adjusted in real time, and the heat conduction sealing plate 2 is also provided with a stirring device 8 for stirring the gas in the test cavity 11, so that the temperature distribution in the test cavity 11 is uniform, and the accuracy of a test result is ensured.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The utility model provides a constant temperature and humidity test box which characterized in that: including box, heat conduction shrouding, sealing ring and shroud, the sealing ring is including the cover to be established the annular main part of box outer wall, annular main part inner wall upwards extends and outside slope forms the toper ring, heat conduction shrouding lid is established the toper ring and with the toper ring laminating is sealed, just heat conduction shrouding lid, sealing ring with the box seals and forms experimental chamber, be equipped with on the heat conduction shrouding and be used for detecting respectively temperature sensor and humidity in the experimental chamber and humidity transducer, temperature sensor with humidity transducer is equipped with the protection casing outward, still be equipped with on the heat conduction shrouding be used for with the thermoelectric module that temperature sensor electricity is connected, be equipped with outside the box with humidification system and the drying system of experimental chamber intercommunication, humidification system with humidity transducer electricity is connected, still be equipped with on the heat conduction shrouding and be used for the stirring gaseous agitating unit in the experimental chamber, thermoelectric module humidification system and the drying system electricity is connected.
2. The constant temperature and humidity test chamber of claim 1 wherein: the box towards one side of shroud is equipped with around the annular bulge of experimental chamber setting, annular main part cover is established the protruding periphery of annular.
3. The constant temperature and humidity test chamber of claim 1 wherein: the stirring device comprises a motor vertically arranged on the heat conduction sealing plate, the output shaft of the motor is connected with a stirring blade, the stirring blade is positioned in the test cavity, the stirring blade is covered with a protective net cover, and the protective net cover is fixed with the heat conduction sealing plate.
4. The constant temperature and humidity test chamber of claim 1 wherein: the box body is provided with a first port and a second port which are communicated with the test cavity, the humidifying system comprises a vacuum pump and a liquid storage tank which are communicated with each other, the first port is communicated with the vacuum pump, and the second port is communicated with the liquid storage tank.
5. The constant temperature and humidity test chamber of claim 1 wherein: the bottom surface of the test cavity is sunken to be formed with the catch basin dorsad the test cavity, the delivery port that runs through the box bottom surface is seted up to the bottom surface of catch basin.
6. The constant temperature and humidity test chamber of claim 1 wherein: and a hydrophobic layer is formed on the inner wall of the test cavity by spraying.
7. The constant temperature and humidity test chamber of claim 2 wherein: the box body and the cover cap are made of heat insulation materials.
8. The constant temperature and humidity test chamber of claim 1 wherein: the bottom of the box body is uniformly provided with supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322284194.XU CN220657572U (en) | 2023-08-24 | 2023-08-24 | Constant temperature and humidity test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322284194.XU CN220657572U (en) | 2023-08-24 | 2023-08-24 | Constant temperature and humidity test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657572U true CN220657572U (en) | 2024-03-26 |
Family
ID=90340543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322284194.XU Active CN220657572U (en) | 2023-08-24 | 2023-08-24 | Constant temperature and humidity test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657572U (en) |
-
2023
- 2023-08-24 CN CN202322284194.XU patent/CN220657572U/en active Active
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