CN212882487U

CN212882487U - High-low temperature test box with dehumidification function

Info

Publication number: CN212882487U
Application number: CN202021312314.2U
Authority: CN
Inventors: 王梅生
Original assignee: Nanjing Jinning Microwave Co ltd
Current assignee: Nanjing Jinning Microwave Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-06
Anticipated expiration: 2030-07-07

Abstract

The utility model provides a high-low temperature test box with dehumidification function, which comprises a test box main body, wherein one side of the test box main body is sequentially provided with a blowing chamber, a sample placing chamber and a drying agent placing chamber from top to bottom, the blowing chamber, the sample placing chamber and the drying agent placing chamber are respectively provided with an independent door, the independent door is respectively provided with a sealing strip, and a blowing fan is arranged in the blowing chamber; the side wall of the sample placing chamber is provided with a clamping groove, and a sample placing plate is detachably arranged on the clamping groove; the drying agent placing chamber is provided with an exhaust fan, a drawer for placing the drying agent is arranged below the exhaust fan, and the bottom of the drawer is provided with a ventilation net; the air blowing chamber, the sample placing chamber and the upper wall and the lower wall of the drying agent placing chamber are provided with ventilation nets; the test box comprises a test box main body and is characterized in that a test machine is arranged on the other side of the test box main body and comprises a display screen, and an equipment control button is arranged below the display screen.

Description

High-low temperature test box with dehumidification function

Technical Field

The utility model belongs to the technical field of the test device, concretely relates to high low temperature test box of area dehumidification function.

Background

The high-low temperature test box is the most common temperature test equipment in environmental test equipment, and is suitable for high-temperature and low-temperature reliability tests of industrial products. The method is used for testing various performance indexes of parts and materials of related products such as electronic electricians, automobile motorcycles, aerospace, ship weapons, colleges and universities, scientific research units and the like under the condition of high-temperature and low-temperature (alternating) cyclic change. In the testing process, need continuous high low temperature environment's transform of carrying on, when high temperature changes the low temperature, can produce the frost on the sample that awaits measuring, when low temperature is to high temperature conversion, the frost that the low temperature produced can rise gradually along with proof box inner chamber temperature and melt, thereby produce a large amount of moisture and comdenstion water, if not be equipped with the dehumidification function on high low temperature proof box, increase along with the number of times of high low temperature conversion, can make the inside humidity of proof box constantly increase, thereby influence the testing result of the sample that awaits measuring, can make the sample that awaits measuring lead to the electrical breakdown damage because insulating nature reduces under the high humidity condition even, consequently, the dehumidification function of high low temperature proof box has become important research direction.

For example, publication No. CN204134654U discloses a high-low temperature test chamber with dehumidification function, which includes a high-low temperature test chamber, and is characterized in that: the dehumidifier is composed of a second hose, a flowmeter, a nitrogen vaporizer, a first hose and a liquid nitrogen tank. The high-low temperature test chamber has the advantages that the inner chamber of the high-low temperature test chamber can be kept dry, moisture and condensate water in the inner chamber of the high-low temperature test chamber are prevented from occurring, and the moisture and the condensate water are prevented from causing harm to a tested sample in a power-on state.

For another example, publication No. CN208786431U discloses a high-low temperature test chamber with a dehumidification function, which relates to the technical field of high-low temperature test chambers. The utility model comprises a box body, wherein a control panel is fixedly connected with one surface of the box body; one side of the box body is fixedly connected with a box door through a rotating shaft; one side surface of the box body is fixedly connected with a fixed block; a dehumidifier is fixedly connected to the surface of the first fixed block; the air exhaust port end of the dehumidifier is fixedly communicated with the surface of the box body; the surface of the box body is provided with an array of ventilation holes; the inner surface of the box body is fixedly connected with a first clapboard and a second clapboard; the inner surface of the box body is provided with three cold air holes and three hot air holes. The utility model solves the problem that the existing high-low temperature test box has no dehumidifying device by arranging the dehumidifier; by the design of the first partition plate, the problem that the existing high-low temperature test box is uneven in exchange during cold-hot conversion is solved; through setting up double-deck cavity glass, solved the problem that observation window on the current high low temperature test box adheres to water smoke.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high low temperature test box of area dehumidification function can effectively keep the drying of high low temperature test box, avoids causing the harm to the sample that is surveyed.

The utility model provides a following technical scheme:

the high-low temperature test box with the dehumidification function is characterized by comprising a test box main body, wherein one side of the test box main body is sequentially provided with a blowing chamber, a sample placing chamber and a drying agent placing chamber from top to bottom, the blowing chamber, the sample placing chamber and the drying agent placing chamber are respectively provided with an independent door, the independent doors are respectively provided with a sealing strip, a blowing fan is arranged in the blowing chamber, the side wall of the sample placing chamber is provided with a clamping groove, a sample placing plate is detachably arranged on the clamping groove, the drying agent placing chamber is provided with an exhaust fan, a drawer for placing the drying agent is arranged below the exhaust fan, and the bottom of the drawer is provided with a ventilation net; the air blowing chamber, the sample placing chamber and the upper wall and the lower wall of the drying agent placing chamber are provided with ventilation nets; the test box comprises a test box main body and is characterized in that a test machine is arranged on the other side of the test box main body and comprises a display screen, and an equipment control button is arranged below the display screen.

Preferably, the independent door comprises a first independent door, a second independent door and a third independent door, and the second independent door and the third independent door are respectively provided with a first glass window and a second glass window.

Preferably, sliding interlayers are arranged between the air blowing chamber and the sample placing chamber and between the sample placing chamber and the drying agent placing chamber, and wind blocking soft plates are arranged at two ends of each sliding interlayer respectively.

Preferably, ventilation cavities are arranged around the air blowing chamber, the sample placing chamber and the drying agent placing chamber.

Preferably, the desiccant is molecular sieve.

Preferably, a heat insulation layer is arranged between the testing machine and the sample placing chamber, and a vent is arranged below the testing machine.

Preferably, the test box main body bottom is equipped with the horse wheel.

Preferably, the sample placing plate is provided with vent holes or adopts a net structure.

The utility model has the advantages that: the structure is simple, the use is convenient, the air in the high-low temperature test box is continuously circulated by the matching of the double fans and the molecular sieve drying agent, the water vapor in the box is continuously removed, and the damage to a test sample caused by the generation of moisture or condensed water is prevented; the molecular sieve desiccant is a renewable desiccant, can well absorb water vapor in air in high and low temperature environments, is replaced and reused at regular intervals, and is more energy-saving and environment-friendly; the sample placing chamber and the drying agent placing chamber are both provided with sealed glass windows, so that the states of the sample and the drying agent can be observed conveniently; the sample placing chamber, the air blowing chamber and the drying agent placing chamber are respectively provided with a sealing door, so that equipment maintenance and drying agent replacement are facilitated, and meanwhile due to the design of the partition plate of the sample placing chamber, the entering of external humid air can be reduced as much as possible when a sample is placed, and the service time of the drying agent is prolonged.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the sliding interlayer and the soft wind shielding plate of the present invention.

Detailed Description

As shown in the figure, for the utility model provides a pair of take dehumidification function's high low temperature test box, including test box main part 1, test box main part 1 one side is equipped with blowing room 2 from top to bottom in proper order, sample placing chamber 3 and drier placing chamber 4, blowing room 2, sample placing chamber 3 all is equipped with independently opens the door with drier placing chamber 4, all be equipped with high temperature resistant and low temperature resistant sealing strip on independently opening the door, prevent that the outside gas from getting into in the test box, independently open the door including first independent opening the door 501, the second independently opens door 502 and the third independently opens door 503, the second independently opens door 502 and the third independently opens the door 503 on be equipped with first glass window 601 and second glass window 602 respectively, be convenient for observe the state of sample and drier.

A blowing fan 7 is arranged in the blowing chamber 2, a clamping groove 8 is arranged on the side wall of the sample placing chamber 3, a sample placing plate 9 is detachably arranged on the clamping groove 8, the position of the sample placing plate 9 can be adjusted according to the size of a test sample, and a ventilation hole or a net-shaped structure is arranged on the sample placing plate 9; the drying agent placing chamber 4 is provided with an exhaust fan 10, a drawer 11 for placing the drying agent is arranged below the exhaust fan 10, the drying agent is a molecular sieve, and the bottom of the drawer 11 is provided with a ventilation net; the upper wall and the lower wall of the air blowing chamber 2, the sample placing chamber 3 and the drying agent placing chamber 4 are provided with ventilation nets; sliding interlayer 15 is respectively arranged between the air blowing chamber 2 and the sample placing chamber 3 and between the sample placing chamber 3 and the drying agent placing chamber 4, and wind-shielding soft plates 16 are respectively arranged at two ends of the sliding interlayer 15; the peripheries of the air blowing chamber 2, the sample placing chamber 3 and the drying agent placing chamber 4 are provided with ventilation cavities 17.

But reuse after the molecular sieve dries, and all has good effect of absorbing water under high temperature and microthermal environment, can effectively get rid of the moisture in the inside gas, moisture or comdenstion water appear when preventing high low temperature conversion, guarantee the drying of sample test environment, guarantee the accuracy of test result, and open the third and independently open the door 503 and pull out drawer 11 and can change the molecular sieve, simple and convenient.

When the sliding interlayer 15 is retracted, the wind shielding soft plate 16 is closed, the air blowing chamber 2, the sample placing chamber 3 and the drying agent placing chamber 4 are communicated up and down, when the fan 10 and the exhaust fan 11 are opened, the fan 10 blows air downwards, the exhaust fan 11 sucks air downwards, the sucked air returns to the top of the fan 10 from the ventilation cavity 17 through the drawer 11 for placing the drying agent, so that the air in the test chamber sequentially passes through the air blowing chamber 2, the sample placing chamber 3, the drying agent placing chamber 4 and the ventilation cavity 17 to form a closed circulation path, the air continuously passes through the molecular sieve in the drying agent placing chamber 4 for dehumidification, and meanwhile, the circulated air enables the temperature in the test chamber to be more uniform; when the sliding interlayer 15 is opened, the wind shielding soft plate 16 is tightly attached to the sliding interlayer 15 to separate the air blowing chamber 2, the sample placing chamber 3, the drying agent placing chamber 4 and the ventilation cavity 17, so that the external air can be reduced to the greatest extent to enter the experimental box when a test sample is taken and placed or the drying agent is replaced.

The other side of the test box main body 1 is provided with a test machine 12, the test machine 12 comprises a display screen 13, and an equipment control button 14 is arranged below the display screen 13. A heat insulation layer is arranged between the testing machine 12 and the sample placing chamber, damage to the instrument due to overhigh temperature and overlow temperature is avoided, the service life of the instrument is prevented from being influenced, and the vent 18 is arranged below the testing machine 12, so that the heat dissipation effect is good. The test box main part 1 bottom is equipped with fortune horse wheel 19, and the removal of the equipment of being convenient for is laid.

When the device is used, firstly, the desiccant is determined to be available, then a test sample is placed in the sample placing chamber 3, the independent door is determined to be completely closed, the sliding interlayer 15 is retracted, the blowing chamber 2, the sample placing chamber 3 and the desiccant placing chamber 4 are communicated up and down, then, test conditions are set, the fan 10 and the exhaust fan 11 are started, the test machine 12 is started to start testing, after the testing is finished, the test machine 12 is closed, the fan 10 and the exhaust fan 11 are closed, the sliding interlayer 15 is opened to separate the blowing chamber 2, the sample placing chamber 3 and the desiccant placing chamber 4, the second independent door 502 is opened, the sample is taken out of the sample placing chamber 3, the second independent door 502 is closed, and the next test is prepared.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The high-low temperature test box with the dehumidification function is characterized by comprising a test box main body (1), wherein a blowing chamber (2), a sample placing chamber (3) and a drying agent placing chamber (4) are sequentially arranged on one side of the test box main body (1) from top to bottom, the blowing chamber (2), the sample placing chamber (3) and the drying agent placing chamber (4) are respectively provided with an independent door, sealing strips are respectively arranged on the independent doors, a blowing fan (7) is arranged in the blowing chamber (2), a clamping groove (8) is formed in the side wall of the sample placing chamber (3), a sample placing plate (9) is detachably arranged on the clamping groove (8), an exhaust fan (10) is arranged in the drying agent placing chamber (4), a drawer (11) used for placing the drying agent is arranged below the exhaust fan (10), and a ventilation net is arranged at the bottom of the drawer (11); the upper wall and the lower wall of the air blowing chamber (2), the sample placing chamber (3) and the drying agent placing chamber (4) are respectively provided with a ventilation net; the testing machine (12) is arranged on the other side of the testing box main body (1), the testing machine (12) comprises a display screen (13), and an equipment control button (14) is arranged below the display screen (13).

2. The high-low temperature test chamber with the dehumidification function according to claim 1, wherein the independent door comprises a first independent door (501), a second independent door (502) and a third independent door (503), and the first glass window (601) and the second glass window (602) are respectively arranged on the second independent door (502) and the third independent door (503).

3. The high-low temperature test chamber with the dehumidification function according to claim 1, wherein a sliding interlayer (15) is arranged between the air blowing chamber (2) and the sample placing chamber (3) and between the sample placing chamber (3) and the drying agent placing chamber (4), and wind-shielding soft plates (16) are respectively arranged at two ends of the sliding interlayer (15).

4. The high-low temperature test chamber with the dehumidification function according to claim 1, wherein ventilation cavities (17) are formed on the peripheries of the air blowing chamber (2), the sample placing chamber (3) and the drying agent placing chamber (4).

5. The high-low temperature test chamber with the dehumidification function according to claim 1, wherein the desiccant is a molecular sieve.

6. The high-low temperature test chamber with the dehumidifying function according to claim 1, wherein a thermal insulation layer is provided between the testing machine (12) and the sample placing chamber, and a vent (18) is provided below the testing machine (12).

7. The high-low temperature test chamber with dehumidification function according to claim 1, wherein said test chamber body (1) is provided with a horsewheel (19) at the bottom end.

8. The high-low temperature test chamber with dehumidification function according to claim 1, wherein the sample placing plate (9) is provided with vent holes or adopts a net structure.