CN217368439U

CN217368439U - Programmable high-low temperature testing machine

Info

Publication number: CN217368439U
Application number: CN202220981788.9U
Authority: CN
Inventors: 梁旺儒; 潘显臻
Original assignee: Dongguan Haiboneng Environmental Test Equipment Co ltd
Current assignee: Dongguan Haiboneng Environmental Test Equipment Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-06
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a can form high low temperature testing machine, especially simplify drainage type can form constant temperature and humidity test box. The utility model discloses form high low temperature test machine, including box (1), chamber door (2), its characterized in that: the utility model discloses a test box, including test box (3), test box (3) bottom is equipped with air intake (301), air intake (301) department sealing connection leaks hopper-shaped return bend (14), test box bottom plate is equipped with guiding gutter (303) all around test box bottom plate one corner is equipped with water receiving mouth (302) be equipped with catch basin (7) under water receiving mouth (302), catch basin (7) with test box (3) bottom plate fixed sealing connection, this face of catch basin (7) position adjacent box (1) is opened there is the outlet, and drain pipe (12) are through electronic valve (13) seal mounting on the outlet. By adopting the structure, the drainage device is simplified, and the drainage effect can be ensured.

Description

Programmable high-low temperature testing machine

Technical Field

The utility model relates to a can form high low temperature testing machine, especially simplify drainage type can form constant temperature and humidity test box.

Background

The high-low temperature test box product has the temperature change rule in the simulated atmospheric environment. The test device is mainly used for testing the adaptability of electricians, electronic products, components and other materials of the electronic products during transportation and use in a high-temperature and low-temperature comprehensive environment. The method is used for the links of product design, improvement, identification, inspection and the like.

The temperature difference change of the high-low temperature test box makes the test box easily have the condensation problem, and many high-low temperature test boxes have been designed to drain water to this problem, and drainage effect quality is uneven, and its drainage device is also complicated and simple and differs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical scheme of the utility model is to provide a can form high low temperature testing machine, make it simplify drainage device, can guarantee the drainage effect again.

In order to solve the above problems, the utility model discloses but form high low temperature testing machine, including box, chamber door. The inside proof box that turns right from a left side of box is equipped with in proper order, the evaporating chamber, humidify the room, be equipped with freezer, its characterized in that below proof box and evaporating chamber: the test box bottom is equipped with the air intake, and inlet port department sealing connection leaks hopper-shaped return bend, and the test box bottom plate is equipped with the guiding gutter all around, is equipped with the water receiving mouth in test box bottom plate one corner, is equipped with the catch basin under the water receiving mouth, and the catch basin is fixed sealing connection with the test box bottom plate, and this face of the adjacent box of catch basin position is opened there is the outlet, and the drain pipe passes through electronic valve sealing installation on the outlet.

The test box is covered with the heat preservation outward, and the air outlet runs through box and heat preservation, and the air outlet exit is equipped with sealing door, and the air discharge fan passes through the support to be fixed in on the test box roof inner wall.

Programmable high low temperature test machine, its characterized in that: the bottom plate of the test box is provided with a water receiving opening, and the angle of the bottom plate is lower than that of the other triangle; the whole bottom plate inclines towards the water receiving port.

Programmable high low temperature test machine, its characterized in that: the bottom plate of the test box is provided with a bracket, and a test bed is arranged on the bracket.

Adopt above-mentioned structure, when temperature variation, through air outlet and air discharge fan can be outside the box of discharging most temperature, humidity in the incasement earlier, if when the condensation appears in the wall all around in the incasement, the drop of water flows in the water receiving mouth through the guiding gutter, assembles in the catch basin, and the back is discharged through the drain pipe again.

Drawings

FIG. 1: the utility model discloses but form high low temperature testing machine structure schematic diagram.

FIG. 2: the utility model discloses test case bottom plate structure sketch map.

FIG. 3: the utility model discloses test box bottom plate test bench structural schematic diagram.

Detailed Description

The programmable high and low temperature testing machine of the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

As shown in FIG. 1, FIG. 2 and FIG. 3, the programmable high and low temperature testing machine includes a box 1 and a box door 2. The box door 2 is provided with a viewing window which is provided with glass and other perspective materials, and a measured object can be observed through the viewing window. The box body 1 is internally provided with a test box 3, an evaporation chamber 4 and a humidification chamber 5 from left to right in sequence. A freezing chamber 6 is arranged below the test chamber 3 and the evaporation chamber 4. The bottom of the test box 3 is provided with an air inlet 301, the inlet 301 is hermetically connected with the funnel-shaped bent pipe 14, and when cold air or hot air and water vapor enter the test box through the air inlet 301, the flow velocity of the funnel-shaped bent pipe 14 can be increased under the condition that other flow accelerating devices are not added, so that the cold air or the hot air and the water vapor are transmitted to all places. A diversion trench 303 is arranged on the periphery of a bottom plate of the test box bottom 3, a water receiving port 302 is arranged at one corner of the bottom plate of the test box, a water storage tank 7 is arranged right below the water receiving port 302, the water storage tank 7 is fixedly and hermetically connected with the bottom plate of the test box 3, a water outlet is formed in the position, adjacent to the box body 1, of the water storage tank 7, and a water discharge pipe 12 is hermetically arranged on the water outlet through an electronic valve 13; if condensation appears on the peripheral wall in the test box, water drops flow into the water receiving port 302 through the diversion trench 303 and are gathered in the water storage tank 7, and the water drops can be discharged through the water discharge pipe 12 by opening the electronic valve 13.

Test box 3 is covered with heat preservation 8 outward, and air outlet 9 runs through box 1 and heat preservation 8, and air outlet 9 exit is equipped with sealing door 10, and air discharge fan 11 is fixed in on the test box 3 roof inner wall through support 1101. When the temperature needs to be changed, most of the temperature and humidity in the box can be discharged out of the box body through the air outlet 9 and the exhaust fan 11, the energy-saving effect is achieved, and meanwhile, the time of temperature change can be controlled through the air outlet 9 and the exhaust fan 11.

A heating device, a dehumidifying device and a funnel-shaped bent pipe 14 are arranged in the evaporation chamber 4, and the bent pipe 14 is arranged below the heating device and the dehumidifying device; a humidifying device is arranged in the humidifying chamber 5; a refrigerating device is installed in the freezing chamber 6.

The floor of the test chamber 3 can be designed as: the angle of the water receiving opening 302 is lower than that of the other triangle, and the whole bottom plate of the water receiving opening 302 inclines towards the water receiving opening. The water flows to the bottom, and the inclined bottom plate can accelerate water drops to be gathered in the water storage tank 7.

The floor of the test chamber 3 can also be designed with a support on which the test bed 304 is mounted. The part to be tested is placed on a test stand 304 for testing.

The utility model discloses but form high low temperature test machine working procedure as follows:

s1: the staff opens the box door 2 and puts the object to be tested into the inner test box 3. The box door 2 is closed, the temperature and humidity required by the test, the numerical values such as the measured time and the like are input on the operation table, and the key is started.

S2: the operation panel detects the temperature and the humidity in the test box through a temperature sensor and a humidity sensor. If the measured data is inconsistent with the set data, a refrigerating device or a heating device is started to refrigerate or heat the test box 3, a dehumidifying device or a humidifying device is started to dehumidify or humidify the test box 3, and an air supply device is started to convey required cold air or hot air and water vapor into the test box 3 through the bent pipe 14. And simultaneously, the sealing door 10 and the exhaust fan 11 are opened to discharge the humidity and the temperature in the test box 3 from the air outlet 9. The sealing door 10 is closed after a certain time.

S3: detecting the temperature and humidity in the test chamber 3 in real time, and refrigerating or heating, dehumidifying or humidifying the test chamber 3 when the temperature and humidity deviate from a set value range (which can be designed on an operation table, for example, the temperature and the humidity float up and down by 0.1); if the current is within the set value range, the operation is stopped.

S4: when the temperature is converted, the opening size of the sealing door 10 and the movement speed of the exhaust fan 11 are designed according to the speed of the temperature and the difference of the temperature, and the refrigeration equipment or the heating equipment, the dehumidification equipment or the humidification equipment are converted to work. Repeating step S3;

s5: when the test time is reached, the tester stops working.

While the preferred embodiments or examples of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the embodiments or examples, and various changes can be made without departing from the spirit of the invention within the knowledge of those skilled in the art.

Claims

1. Programmable high low temperature testing machine, including box (1), chamber door (2), turn right from a left side and be equipped with proof box (3) in proper order in box (1) inside, evaporation chamber (4), humidification chamber (5) proof box (3) with be equipped with freezer (6), its characterized in that below evaporation chamber (4): the testing box is characterized in that an air inlet (301) is formed in the bottom of the testing box (3), a funnel-shaped bent pipe (14) is connected to the air inlet (301) in a sealing mode, a flow guide groove (303) is formed in the periphery of a bottom plate of the testing box, a water receiving opening (302) is formed in one corner of the bottom plate of the testing box, a water storage tank (7) is arranged under the water receiving opening (302), the water storage tank (7) is fixedly connected with a bottom plate of the testing box (3) in a sealing mode, a water outlet is formed in the surface, adjacent to the box body (1), of the water storage tank (7), and a water drainage pipe (12) is installed on the water outlet in a sealing mode through an electronic valve (13);

the test box (3) is externally covered with a heat insulation layer (8), an air outlet (9) penetrates through the box body (1) and the heat insulation layer (8), a sealing door (10) is arranged at an outlet of the air outlet (9), and an exhaust fan (11) is fixed on the inner wall of the top wall of the test box (3) through a support (1101).

2. The programmable high and low temperature testing machine of claim 1, wherein: the angle of the bottom plate of the test box (3) provided with the water receiving opening (302) is lower than that of the other triangle; the whole bottom plate inclines towards the water receiving opening (302).

3. The programmable high and low temperature testing machine of claim 1, wherein: the bottom plate of the test box (3) is provided with a bracket, and a test bed (304) is arranged on the bracket.