CN210613729U - Condensation device is prevented to high low temperature test box - Google Patents
Condensation device is prevented to high low temperature test box Download PDFInfo
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- CN210613729U CN210613729U CN201921085119.8U CN201921085119U CN210613729U CN 210613729 U CN210613729 U CN 210613729U CN 201921085119 U CN201921085119 U CN 201921085119U CN 210613729 U CN210613729 U CN 210613729U
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Abstract
The utility model discloses a condensation device is prevented to high low temperature test box, including studio, high low temperature box, atmospheric pressure balance hole, discharge orifice, adsorption dryer, connecting tube and solenoid valve, the studio outside is provided with the high low temperature box, the studio upper end is provided with the atmospheric pressure balance hole, the studio lower extreme is provided with the discharge orifice, studio one side is provided with adsorption dryer, the studio passes through the connecting tube with adsorption dryer and is connected, the connecting tube middle part is provided with the solenoid valve, adopts adsorption dryer, because the dry air pressure that it provided is about 0.4-0.7Mpa, consequently, the interface only need open 10 mm's hole can, control connection convenient and fast, the runner dehumidifier adopts the electrical heating mode to carry out drying process to the air, and the energy consumption is high. The adsorption dryer is treated by physical adsorption, does not need large electric power and has low energy consumption.
Description
Technical Field
The utility model belongs to the technical field of high low temperature environment test equipment, concretely relates to condensation device is prevented to high low temperature test case.
Background
The test box is a general term of products in the environmental test industry, and is used for simulating a natural climate environment in an effective space range, and the test types are as follows: the device comprises a high-low temperature test chamber, a xenon lamp aging test chamber, an ultraviolet aging test chamber, a box-type rain box, antirust grease, a water dripping device, a purifying and cleaning storage cabinet, a nitrogen storage cabinet, non-standard products and the like. The main parts of the product adopt inlet parts, the performance is excellent, the appearance is attractive, the reliability is good, and the product is an ideal choice for laboratory environment test equipment. The high-low temperature environment test equipment is mainly used for simulating high-temperature or low-temperature extreme climate in natural environment and evaluating the performance of products under extreme conditions.
At present, electronic products are stored for a long time at a low temperature or alternatively run under the conditions of high temperature and low temperature, because the air pressure of a working chamber is lower than the ambient air pressure at the low temperature, wet air in the environment can enter the working chamber through an air pressure balance hole or a water flowing hole, the wet air can form dew to be condensed on the surface of a test sample under the temperature change of the high temperature and the low temperature, and for some electronic products which are not waterproof, if the dew is formed, a circuit short circuit can be caused, and the products are damaged, so a device needs to be additionally designed to avoid the condensation of the test sample.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a condensation device is prevented to high low temperature test box is provided, with the present electron class product long-term storage who proposes in solving above-mentioned background art low temperature, perhaps when operation under the high temperature low temperature condition in turn, because studio atmospheric pressure can be less than ambient pressure during the low temperature, therefore, humid air in the environment will get into the studio through atmospheric pressure balancing hole or discharge orifice, under the microthermal temperature variation of high temperature, humid air will form dew condensation on the sample is on the surface, to some not waterproof electron product, if form the condensation, can cause the circuit short circuit, damage the product, therefore, need the design to increase a device, avoid the problem of sample condensation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a condensation device is prevented to high low temperature proof box, includes studio, high low temperature box, atmospheric pressure balance hole, discharge orifice, adsorption dryer, connecting line and solenoid valve, the studio outside is provided with high low temperature box, the studio upper end is provided with atmospheric pressure balance hole, the studio lower extreme is provided with the discharge orifice, studio one side is provided with adsorption dryer, the studio passes through connecting line with adsorption dryer and is connected, the connecting line middle part is provided with the solenoid valve.
Preferably, the adsorption dryer, the air compressor, the pre-filter, the post-filter, the control solenoid valve and the pipeline form a dry air device.
Preferably, the dew point temperature of the adsorption dryer is-40 to-70 ℃.
Preferably, the adsorption dryer is internally provided with low dew point dry air.
Preferably, one end of the connecting pipeline is communicated with the working chamber.
Preferably, the other end of the connecting pipeline is communicated with the adsorption dryer.
Compared with the prior art, the utility model provides a condensation device is prevented to high low temperature test case possesses following beneficial effect:
1. compared with the prior art that no treatment is adopted, the high-low box carries out high-low circulation for about 2-3 times, and the surface of the test sample can form condensation. Adopt the dry air device can guarantee in the whole test process that condensation is not got rid of completely, in addition with the runner dehumidifier who adopts before to the studio dehumidification contrast: the dew point temperature of the single rotary dehumidifier can only reach minus 10 ℃, and the dew point temperature of the combined rotary dehumidifier can reach below minus 40 ℃, but the combined rotary dehumidifier has huge volume and high price. The adsorption dryer has low dew point temperature, small volume and low price.
2. The utility model discloses rotary dehumidifier atmospheric pressure is little, consequently will reach the certain amount of wind the case, need open very greatly with the interface of box butt joint, generally need the trompil diameter more than 100mm, and it is very inconvenient to use. The adsorption dryer is adopted, the dry air pressure provided by the adsorption dryer is about 0.4-0.7Mpa, so that a connector only needs to be provided with a hole of 10mm, the control connection is convenient and quick, and the rotary wheel dehumidifier adopts an electric heating mode to dry the air, so that the energy consumption is high. The adsorption dryer is treated by physical adsorption, does not need large electric power and has low energy consumption.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.
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, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of the low dew point dry air anti-condensation provided by the present invention;
FIG. 2 is a schematic view of the present invention when no anti-condensation measure is taken;
in the figure: 1. a working chamber; 2. a high and low temperature box body; 3. an air pressure balancing hole; 4. a water flowing hole; 5. an adsorption dryer; 6. connecting a pipeline; 7. an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a condensation preventing device for a high and low temperature test chamber comprises a working chamber 1, a high and low temperature box body 2, an air pressure balance hole 3, a water flowing hole 4, an adsorption type dryer 5, a connecting pipeline 6 and an electromagnetic valve 7, wherein the high and low temperature box body 2 is arranged outside the working chamber 1, the air pressure balance hole 3 is arranged at the upper end of the working chamber 1, the water flowing hole 4 is arranged at the lower end of the working chamber 1, the adsorption type dryer 5 is arranged at one side of the working chamber 1, the adsorption type dryer 5 can process and provide drying gas with dew point temperature of-40 to-70 ℃, the drying gas is connected into the working chamber 1 through the connecting pipeline 6 and the electromagnetic valve 7 to blow and sweep the working chamber 1, wet air in the working chamber 1 is replaced, dry air is always introduced to keep the working chamber 1 in a micro positive pressure state, so that the wet air in the external environment cannot enter the working chamber 1, and the working chamber 1 is connected with the adsorption type, the middle part of the connecting pipeline 6 is provided with an electromagnetic valve 7.
The adsorption type drying machine comprises an adsorption type drying machine 5, an air compressor, a front filter, a rear filter, a control electromagnetic valve and a pipeline to form a dry air device, a set of dry air device capable of providing low dew point is added to blow the working chamber 1, the micro-positive pressure of the working chamber 1 is kept, wet air can be prevented from entering the working chamber 1, the dew point temperature of the adsorption type drying machine 5 is-40 to-70 ℃, low dew point dry air is arranged inside the adsorption type drying machine 5, one end of a connecting pipeline 6 is communicated with the working chamber 1, and the other end of the connecting pipeline 6 is communicated with the adsorption type drying machine 5.
The utility model discloses a theory of operation and use flow: when the dry air purification device is used, a set of dry air device capable of providing low dew point is additionally arranged to sweep the working chamber 1, the micro-positive pressure of the working chamber 1 is maintained, wet air can be prevented from entering the working chamber 1, the adsorption type dryer 5 selected in the scheme can process and provide dry air with the dew point temperature of-40-70 ℃, the dry air is connected into the working chamber 1 through the connecting pipeline 6 and the electromagnetic valve 7, the working chamber 1 is swept, the wet air of the working chamber 1 is replaced, the dry air is always introduced to keep the working chamber 1 in the micro-positive pressure state, so that the wet air in the external environment can not enter the working chamber 1, and when the dry air purification device is stored for a long time at low temperature or alternatively operates under the conditions of high temperature and low temperature, condensation on the surface of a test sample can not be formed.
Compared with the prior art that no treatment is adopted, the high-low box carries out high-low circulation for about 2-3 times, and the surface of the test sample can form condensation. Adopt the dry air device can guarantee in the whole test process not condensation totally, in addition with the rotary dehumidifier who adopts before to the comparison of dehumidification of studio 1: the dew point temperature of the single rotary dehumidifier can only reach minus 10 ℃, and the dew point temperature of the combined rotary dehumidifier can reach below minus 40 ℃, but the combined rotary dehumidifier has huge volume and high price. The adsorption dryer 5 has low dew point temperature, small volume and low price.
The utility model discloses rotary dehumidifier atmospheric pressure is little, consequently will reach the certain amount of wind the case, need open very greatly with the interface of box butt joint, generally need the trompil diameter more than 100mm, and it is very inconvenient to use. The adsorption dryer 5 is adopted, the dry air pressure provided by the adsorption dryer is about 0.4-0.7Mpa, so that a connector only needs to be provided with a hole of 10mm, the control connection is convenient and quick, and the rotary wheel dehumidifier adopts an electric heating mode to dry the air, so that the energy consumption is high. The adsorption dryer 5 does not need large electric power through physical adsorption treatment, and is low in energy consumption.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a condensation device is prevented to high low temperature test box, includes studio (1), high low temperature box (2), atmospheric pressure balance hole (3), discharge orifice (4), adsorption dryer (5), connecting line (6) and solenoid valve (7), its characterized in that: the air-conditioning system is characterized in that a high-low temperature box body (2) is arranged on the outer side of the working chamber (1), an air pressure balance hole (3) is formed in the upper end of the working chamber (1), a water flowing hole (4) is formed in the lower end of the working chamber (1), an adsorption type dryer (5) is arranged on one side of the working chamber (1), the working chamber (1) is connected with the adsorption type dryer (5) through a connecting pipeline (6), and an electromagnetic valve (7) is arranged in the middle of the connecting pipeline (6).
2. The anti-condensation device for the high and low temperature test chamber according to claim 1, wherein: the adsorption dryer (5), the air compressor, the front filter, the rear filter, the control solenoid valve and the pipeline form a dry air device.
3. The anti-condensation device for the high and low temperature test chamber according to claim 1, wherein: the dew point temperature of the adsorption dryer (5) is-40 to-70 ℃.
4. The anti-condensation device for the high and low temperature test chamber according to claim 1, wherein: and low dew point dry air is arranged in the adsorption dryer (5).
5. The anti-condensation device for the high and low temperature test chamber according to claim 1, wherein: one end of the connecting pipeline (6) is communicated with the working chamber (1).
6. The anti-condensation device for the high and low temperature test chamber according to claim 1, wherein: the other end of the connecting pipeline (6) is communicated with the adsorption dryer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085119.8U CN210613729U (en) | 2019-07-12 | 2019-07-12 | Condensation device is prevented to high low temperature test box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085119.8U CN210613729U (en) | 2019-07-12 | 2019-07-12 | Condensation device is prevented to high low temperature test box |
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| CN210613729U true CN210613729U (en) | 2020-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117628799A (en) * | 2023-11-28 | 2024-03-01 | 中科科凌(北京)科技有限公司 | Anti-exposure method and device |
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2019
- 2019-07-12 CN CN201921085119.8U patent/CN210613729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117628799A (en) * | 2023-11-28 | 2024-03-01 | 中科科凌(北京)科技有限公司 | Anti-exposure method and device |
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