CN214076713U - Constant temperature and humidity testing machine - Google Patents
Constant temperature and humidity testing machine Download PDFInfo
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- CN214076713U CN214076713U CN202023056305.4U CN202023056305U CN214076713U CN 214076713 U CN214076713 U CN 214076713U CN 202023056305 U CN202023056305 U CN 202023056305U CN 214076713 U CN214076713 U CN 214076713U
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Abstract
The utility model relates to a constant temperature and humidity testing machine. The test device comprises a box body, wherein a test cavity is arranged in the box body, and a sealing cover is arranged at the front end of the test cavity and movably connected with the box body; the box is equipped with heating device and humidification device, is equipped with the air flow structure in the experimental cavity, the air flow structure includes the baffle, is equipped with the back clearance between the trailing flank of baffle and experimental cavity, and the clearance before being equipped with between baffle and the sealed lid, the up end of experimental cavity is equipped with linear module, and linear module is connected with and is used for blowing the air to the last fan of front side, and linear module is down equipped with down to the lower terminal surface of experimental cavity, and linear module is down connected with and is used for blowing the air to the lower fan of rear side. The utility model is provided with a baffle plate, an upper linear module, a lower linear module, an upper fan and a lower fan; make experimental intracavity form mobile air, and the fan position is also constantly changing for experimental intracavity portion temperature, humidity fluctuation nature are good, improve the test accuracy.
Description
Technical Field
The utility model relates to an environmental test technical field especially relates to a constant temperature and humidity testing machine.
Background
The constant temperature and humidity tester is used for detecting the performance of the product in different temperature and humidity environments and the heat resistance, humidity resistance and other performances of the test material; the test cavity of the existing constant temperature and humidity testing machine is generally designed to be smaller, and when the volume of the test cavity is larger, air does not flow inside the test cavity basically, so that the difference between the temperature and the humidity is larger, and the accuracy of a test result is lower.
Disclosure of Invention
An object of the utility model is to prior art not enough, provide a constant temperature and humidity testing machine, temperature, the humidity fluctuation in this constant temperature and humidity testing machine are little, and the test accuracy is high.
A constant temperature and humidity testing machine comprises a box body, wherein a testing cavity is arranged in the box body, a sealing cover is arranged at the front end of the testing cavity, and the sealing cover is movably connected with the box body; the box is equipped with heating device and humidification device, be equipped with the air flow structure in the experimental cavity, the air flow structure is equipped with the back clearance including setting up in the baffle at experimental cavity middle part between the trailing flank of baffle and experimental cavity, and the clearance before being equipped with between baffle and the sealed lid, the up end of experimental cavity is equipped with linear module, and linear module is connected with and is used for blowing the air to the last fan of front side on going up, and linear module is down equipped with down, and linear module is down connected with and is used for blowing the air to the lower fan of rear side.
Further, heating device includes a plurality of heater strips, and the heater strip is connected with the support column, and the experimental cavity is inserted to the one end of support column, and the other end of support column is located outside the experimental cavity, and heater strip evenly distributed is in the side of experimental cavity.
Furthermore, the humidifying device comprises a water tank and a water pump which are arranged in the box body, one end of the water pump is connected with a water inlet pipe, and one end of the water inlet pipe extends into the water tank; the other end of the water pump is connected with a water outlet pipe, the upper top surface or/and the lower bottom surface of the test cavity is/are provided with a water supply pipe, the water supply pipe is connected with the water outlet pipe, and the water supply pipe is connected with a plurality of atomizing nozzles.
Furthermore, a plurality of temperature sensors and a plurality of humidity sensors are arranged in the test cavity.
Further, the box is equipped with control system, and one side of box is equipped with display screen and control button, and control system is connected with display screen, control button, temperature sensor, humidity transducer, heating device and humidification device electricity.
Furthermore, the upper linear module and the lower linear module are linear motors.
The utility model has the advantages that: the utility model is provided with a baffle plate, an upper linear module, a lower linear module, an upper fan and a lower fan; make experimental intracavity form mobile air, and the fan position is also constantly changing for experimental intracavity portion temperature, humidity fluctuation nature are good, improve the test accuracy.
Drawings
Fig. 1 is a schematic structural diagram of the test chamber and the humidifying device in this embodiment.
Fig. 2 is a schematic structural diagram of the air flow structure of the present embodiment.
Fig. 3 is a schematic structural diagram of the test chamber and the heating device according to this embodiment.
The reference numerals include:
1-a box body; 2-a humidifying device; 3-test chamber; 4-sealing cover; 5-a separator; 6-upper fan; 7-upper linear module; 8-a lower fan; 9-lower linear module; 10-a heating device; 12-a support column; 21-water inlet pipe; 22-water pump; 23-water tank; 24-water supply pipe; 25-atomizing spray head.
Detailed Description
The following detailed description of the present invention is made with reference to the accompanying drawings. As shown in fig. 1-3.
Example 1: a constant temperature and humidity testing machine comprises a box body, wherein a testing cavity is arranged in the box body, a sealing cover is arranged at the front end of the testing cavity, and the sealing cover is movably connected with the box body; the box is equipped with heating device and humidification device, be equipped with the air flow structure in the experimental cavity, the air flow structure is including setting up in baffle 5 at experimental cavity middle part, is equipped with the back clearance between the trailing flank of baffle 5 and experimental cavity, and the clearance before being equipped with between baffle 5 and the sealed lid, the up end of experimental cavity is equipped with linear module, and linear module is connected with and is used for blowing the air to the last fan of front side on going up, and the lower terminal surface of experimental cavity is equipped with down linear module, and linear module is connected with down the fan that is used for blowing the air to the rear side down.
This technical scheme has set up the air flow structure on prior art's basis for experimental cavity is when carrying out constant temperature and humidity test, and inside air can flow, thereby makes inside temperature, humidity equilibrium better, and volatility is little, effectively improves the test accuracy. The air flow structure mainly comprises a clapboard 5, an upper fan and a lower fan; the technical scheme mainly aims at a constant temperature and humidity testing machine with a large testing cavity; in order to reduce the arrangement of the fan, the technical scheme is provided with the upper linear module and the lower linear module, and the driving directions of the upper linear module and the lower linear module are opposite when the fan works; such as: the upper linear module drives the upper fan to move towards the rear side face of the test cavity, and the lower linear module drives the lower fan to move towards the front end of the test cavity; so that the distance between the upper fan and the lower fan is kept basically constant on the air circulation flow track. Secondly, because the fan is removing to avoid air flow velocity to be in unchangeable state, the air is at the in-process that flows, and the velocity of flow of different positions is in the change, thereby plays better stirring effect, makes inside temperature, humidity equilibrium better.
Further, heating device includes a plurality of heater strips, and the heater strip is connected with the support column, and the experimental cavity is inserted to the one end of support column, and the other end of support column is located outside the experimental cavity, and heater strip evenly distributed is in the side of experimental cavity.
In order to make the internal temperature distribution uniform, the heating device is arranged to be a cylinder structure, one end of the supporting column is inserted into the test cavity, and the heating wire is fixed at one end of the supporting column and is positioned in the test cavity; the other end of the support column is positioned outside the test cavity body, and the support column is provided with a lead perforation.
Furthermore, the humidifying device comprises a water tank and a water pump which are arranged in the box body, one end of the water pump is connected with a water inlet pipe, and one end of the water inlet pipe extends into the water tank; the other end of the water pump is connected with a water outlet pipe, the upper top surface or/and the lower bottom surface of the test cavity is/are provided with a water supply pipe, the water supply pipe is connected with the water outlet pipe, and the water supply pipe is connected with a plurality of atomizing nozzles.
This technical scheme sets up the delivery pipe at top surface or bottom surface down, and at the during operation, atomizes water through atomizer to make things convenient for vapor to follow the air flow.
Furthermore, a plurality of temperature sensors and a plurality of humidity sensors are arranged in the test cavity.
Temperature sensors are used to sense the distribution of internal temperature, as are humidity sensors used to sense the distribution of internal humidity.
Further, the box is equipped with control system, and one side of box is equipped with display screen and control button, and control system is connected with display screen, control button, temperature sensor, humidity transducer, heating device and humidification device electricity.
The control system can be a PLC system and the like; this is not described in detail in the prior art. The temperature and the humidity of the heating in the test cavity can be controlled and adjusted through the control system.
Furthermore, the upper linear module and the lower linear module are linear motors.
The linear motor is convenient to install and is an independent module.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the present description should not be interpreted as a limitation to the present invention.
Claims (6)
1. A constant temperature and humidity testing machine comprises a box body, wherein a testing cavity is arranged in the box body, a sealing cover is arranged at the front end of the testing cavity, and the sealing cover is movably connected with the box body; the box is equipped with heating device and humidification device, its characterized in that: the air flow structure is arranged in the test cavity and comprises a partition plate arranged at the middle of the test cavity, a rear gap is formed between the partition plate and the rear side face of the test cavity, a front gap is formed between the partition plate and the sealing cover, the upper end face of the test cavity is provided with an upper linear module, the upper linear module is connected with an upper fan used for blowing air to the front side, the lower end face of the test cavity is provided with a lower linear module, and the lower linear module is connected with a lower fan used for blowing air to the rear side.
2. The constant temperature and humidity testing machine as claimed in claim 1, wherein: the heating device comprises a plurality of heating wires, the heating wires are connected with supporting columns, one ends of the supporting columns are inserted into the test cavity, the other ends of the supporting columns are located outside the test cavity, and the heating wires are evenly distributed on the side faces of the test cavity.
3. The constant temperature and humidity testing machine as claimed in claim 2, wherein: the humidifying device comprises a water tank and a water pump which are arranged in the box body, one end of the water pump is connected with a water inlet pipe, and one end of the water inlet pipe extends into the water tank; the other end of the water pump is connected with a water outlet pipe, the upper top surface or/and the lower bottom surface of the test cavity is/are provided with a water supply pipe, the water supply pipe is connected with the water outlet pipe, and the water supply pipe is connected with a plurality of atomizing nozzles.
4. The constant temperature and humidity testing machine as claimed in claim 3, wherein: a plurality of temperature sensors and a plurality of humidity sensors are arranged in the test cavity.
5. The constant temperature and humidity testing machine as claimed in claim 4, wherein: the box is equipped with control system, and one side of box is equipped with display screen and control button, and control system is connected with display screen, control button, temperature sensor, humidity transducer, heating device and humidification device electricity.
6. The constant temperature and humidity testing machine as claimed in claim 5, wherein: the upper linear module and the lower linear module are linear motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023056305.4U CN214076713U (en) | 2020-12-18 | 2020-12-18 | Constant temperature and humidity testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023056305.4U CN214076713U (en) | 2020-12-18 | 2020-12-18 | Constant temperature and humidity testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214076713U true CN214076713U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023056305.4U Active CN214076713U (en) | 2020-12-18 | 2020-12-18 | Constant temperature and humidity testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214076713U (en) |
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2020
- 2020-12-18 CN CN202023056305.4U patent/CN214076713U/en active Active
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