CN102486453B - Low temperature environment testing apparatus - Google Patents
Low temperature environment testing apparatus Download PDFInfo
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- CN102486453B CN102486453B CN201010574737.6A CN201010574737A CN102486453B CN 102486453 B CN102486453 B CN 102486453B CN 201010574737 A CN201010574737 A CN 201010574737A CN 102486453 B CN102486453 B CN 102486453B
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Abstract
The invention discloses a low temperature environment testing apparatus. The apparatus comprises a low temperature working bin, a controller, a cold air intake window, an airflow returning window, a cold air circulation channel and temperature-detecting devices; the cold air circulation channel comprises a cold airflow intake channel and an airflow returning channel, a low temperature exchanger is arranged at a position where the cold airflow intake channel and the airflow returning channel joint, a fan set is installed on the cold airflow intake channel or on the airflow returning channel, and the fan set continuously sends cold airflow obtained after the low temperature exchanger carries out low temperature exchange to the low temperature working bin through the cold airflow intake channel and synchronously continuously pumps air in the low temperature working bin to the position where the low temperature exchanger is installed through the airflow returning channel for low temperature exchange, thereby realizing continuous circular flowing of air in the cold air circulation channel. The low temperature environment testing apparatus provided in the invention has the advantages of a simple structure, compact installation, convenient arrangement, simple usage and operation, a good application effect, a fast cooling speed, a good constant temperature effect and low energy consumption and can effectively overcome a plurality of practical problems of conventional low temperature environment testing apparatuses.
Description
Technical field
The present invention relates to a kind of electronic product cryogenic property proving installation, especially relate to a kind of low temperature environment testing apparatus.
Background technology
The fast cooling environmental test of electronic product gets rid of electronic product initial failure, controls the necessary means of product quality.The cooling rate of experimental enviroment and the constant situation of cryogenic temperature are the important technology indexs of Test condition, and they will directly affect the experimental result of electronic product.Current domestic a lot of business-electronic product low temperature environment testing apparatus complex structure, cooling rate is slow, and cryogenic temperature steady state is poor, and energy consumption is high.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of low temperature environment testing apparatus is provided, its structure is simple, it is compact to install, it is convenient to lay, use easy and simple to handle and result of use good, cooling rate fast, good constant-temperature effect, energy consumption are low, effectively can solve the multiple practical problems that former low temperature environment testing apparatus exists.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of low temperature environment testing apparatus, is characterized in that: comprise low-temperature working storehouse, controller, be arranged on cold air air intake window on the left of low-temperature working storehouse or in right sidewall, temperature-detecting device that the cold wind circulation passage and carrying out low-temperature working storehouse internal temperature that is arranged on air-flow return-air window on the right side of low-temperature working storehouse or on the sidewall of left side, is laid in outside low-temperature working storehouse and successively inputs cold wind in low-temperature working storehouse detects in real time, described cold wind circulation passage comprises the gentle stream return gas channel of cold airflow inlet channel, the upper end of the gentle stream return gas channel of described cold airflow inlet channel connects and the two junction is laid with the low-temperature switch connected with compressor train, the bottom of described cold airflow inlet channel gentle stream return gas channel is arranged on that cold air air intake window is gentle to be flowed back on transom window respectively, described cold airflow inlet channel or air-flow return gas channel are provided with the cold airflow carrying out obtaining after low temperature exchange through low-temperature switch sent into low-temperature working storehouse continuously by cold airflow inlet channel and synchronously the air in low-temperature working storehouse is drawn to low-temperature switch installation place continuously by air-flow return gas channel and carry out low temperature and exchange blower fan group to realize air continuous circulation flowing in described cold wind circulation passage, described cold air air intake window is gentle, and to flow back to the installation position of transom window just right, described blower fan group, low-temperature switch and compressor train are undertaken controlling by controller and three all connects with controller, and described temperature-detecting device connects with controller.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: described cold air air intake window is arranged on the left side sidewall in low-temperature working storehouse, and air-flow return-air window is arranged in the right sidewall in low-temperature working storehouse.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: described low-temperature working storehouse and described cold wind circulation passage arranged outside are by the heat insulation structure be made up of thermal insulation layer and hot isolating door.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: the quantity of described temperature-detecting device is multiple.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: described temperature-detecting device is thermopair.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: described cold wind circulation passage is circular passage and it mats formation on the lateral wall in low-temperature working storehouse.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: the gentle stream return gas channel of described cold airflow inlet channel is circular gas conveyance conduit.
Above-mentioned a kind of low temperature environment testing apparatus, is characterized in that: the gentle transom window that flows back to of described cold air air intake window is window shutter.
The present invention compared with prior art has the following advantages:
1, structure is simple, cost is low and each assembly is easy for installation.
2, use easy and simple to handle and realize convenient, realize convenient, isolation structure be made up of high-performance thermal insulation layer and hot isolating door adopted at utmost can reduce the heat interchange with the external world, reduces energy loss, the stability of raising test environment temperature; The cooling of low temperature bin can be realized fast, Real-Time Monitoring is carried out to multi-point temp in low temperature bin simultaneously, achieve being uniformly distributed of temperature in low temperature bin, ensure that the stable of test temperature.
3, reliable working performance and result of use is good, the present invention mainly comprises compressor train, blower fan group, low-temperature switch, thermopair, cold airflow circulation passage, low-temperature working storehouse, high-performance thermal insulation layer and hot isolating door, wherein cold airflow circulation passage comprises cold airflow air intake passage, air-flow return gas channel, cold airflow air intake window is gentle flows back to transom window, and it ensures that air-flow moves along piping loop together with blower fan group; Compressor train and low-temperature switch freeze to the air flowed in admonitory talk to subordinates circulation passage; Temperature in low-temperature working storehouse in equally distributed multiple thermocouple measurement test low temperature bin region, guarantees the temperature constant state testing low temperature bin.In use procedure, present invention achieves the multi-point temperature measurement to region, low-temperature test storehouse, can effective being uniformly distributed of temperature in warranty test storehouse, temperature constant is in good condition.Air in low-temperature test storehouse provides mobilization dynamic by blower fan group, from air-flow return-air window by air-flow return gas channel, through low-temperature switch, and under the effect of compressor train, air is freezed rapidly, cold air passes through cold airflow inlet channel from cold airflow air intake window, again arrive low-temperature test storehouse, thus play the effect of cooling rapidly, the distribution situation of temperature in equally distributed thermopair Accurate Determining storehouse in low-temperature test storehouse, lily fan blade simultaneously by cold airflow air intake window is installed automatically adjusts to temperature in storehouse, ensure that the homogeneous constant of temperature.To sum up, the present invention, by integral ring-shaped circulating structural arrangement, reduces the stagnation that gas-flow resistance prevents air-flow; And adopt the type of flow of tubular cold air-flow in conjunction with the automatic swing commutation function of the air intake window of cold airflow and the lily fan blade of air-flow return-air window, make working bin cooling rate fast, temperature remains stable, substantially increases work efficiency, energy-saving and emission-reduction.
In sum, structure of the present invention is simple, it is compact to install, it is convenient to lay, use easy and simple to handle and result of use good, cooling rate fast, good constant-temperature effect, energy consumption are low, the multiple practical problems such as effectively can solve complex structure that former low temperature environment testing apparatus exists, cooling rate is slow, the constant poor performance of cryogenic temperature, energy consumption are high, device fabrication cost is high, test findings is inaccurate, test input cost is high.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A-A cut-open view of the present invention.
Fig. 3 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-compressor train; 2-thermal insulation layer; 3-blower fan group;
4-low-temperature switch; 5-thermopair; 6-cold airflow inlet channel;
7-cold air air intake window; 8-air-flow return-air window; 9-low-temperature working storehouse;
10-air-flow return gas channel; The hot isolating door of 11-; 12-controller.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the present invention includes low-temperature working storehouse 9, controller 12, be arranged on cold air air intake window 7 on the left of low-temperature working storehouse 9 or in right sidewall, temperature-detecting device that the cold wind circulation passage and carrying out low-temperature working storehouse 9 internal temperature that is arranged on air-flow return-air window 8 on the right side of low-temperature working storehouse 9 or on the sidewall of left side, is laid in outside low-temperature working storehouse 9 and successively inputs cold wind in low-temperature working storehouse 9 detects in real time.Described cold wind circulation passage comprises that cold airflow inlet channel 6 is gentle flows back to gas path 10, the gentle upper end flowing back to gas path 10 of described cold airflow inlet channel 6 connects and the two junction is laid with the low-temperature switch 4 connected with compressor train 1, the gentle bottom flowing back to gas path 10 of described cold airflow inlet channel 6 is arranged on that cold air air intake window 7 is gentle to be flowed back on transom window 8 respectively, described cold airflow inlet channel 6 or air-flow return gas channel 10 are provided with the cold airflow obtained after carrying out low temperature exchange through low-temperature switch 4 sent into low-temperature working storehouse 9 continuously by cold airflow inlet channel 6 and synchronously the air in low-temperature working storehouse 9 is drawn to low-temperature switch 4 installation place continuously by air-flow return gas channel 10 and carry out low temperature and exchange blower fan group 3 to realize air continuous circulation flowing in described cold wind circulation passage, described cold air air intake window 7 is gentle, and to flow back to the installation position of transom window 8 just right.Described blower fan group 3, low-temperature switch 4 and compressor train 1 are undertaken controlling by controller 12 and three all connects with controller 12, and described temperature-detecting device connects with controller 12.
In the present embodiment, described cold air air intake window 7 is arranged on the left side sidewall in low-temperature working storehouse 9, and air-flow return-air window 8 is arranged in the right sidewall in low-temperature working storehouse 9.Described low-temperature working storehouse 9 and described cold wind circulation passage arranged outside are by the heat insulation structure be made up of thermal insulation layer 2 and hot isolating door 11.
Actual when laying, the quantity of described temperature-detecting device is multiple.In the present embodiment, described temperature-detecting device is thermopair 5.
In actual use procedure, after described blower fan group 3 is rotated, the air in low-temperature working storehouse 9 is driven to enter air-flow return-air window 8 and arrived the installation place of low-temperature switch 4 by air-flow return gas channel 10, under the effect of compressor train 1, the air delivering to low-temperature switch 4 installation place is lowered the temperature rapidly, and obtain Cryogenic air again enter low-temperature working storehouse 9 through cold air air intake window 7 by cold airflow inlet channel 6 under the effect of blower fan group 3, thus the internal temperature completing low-temperature working storehouse 9 reduces process.Simultaneously, low-temperature working storehouse 9 is evenly distributed with multiple thermopair 5, the distribution situation of temperature in real-time measurement low-temperature working storehouse 9, and by detected temperature detection process and by institute's detected temperatures information feed back to controller 12, and controlled by controller 12 pairs of low-temperature switch 4 and compressor train 1, the corresponding temperature adjustment process completed in low-temperature working storehouse 9, so goes round and begins again and realizes the inner temperature-fall period rapidly in low-temperature working storehouse 9.In addition, high performance thermal insulation layer 1 and hot isolating door 11 set up the isolation structure closed, and ensure that the confined space in low-temperature working storehouse 9, reduce unnecessary energy exchange.Thus ensure that low temperature steady state is good, reduce test energy consumption simultaneously.
In the present embodiment, described cold wind circulation passage is circular passage and it mats formation on the lateral wall in low-temperature working storehouse 9.The gentle gas path 10 that flows back to of described cold airflow inlet channel 6 is circular gas conveyance conduit.Meanwhile, the gentle transom window 8 that flows back to of described cold air air intake window 7 is window shutter.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (1)
1. a low temperature environment testing apparatus, is characterized in that: comprise low-temperature working storehouse (9), controller (12), the cold air air intake window (7) be arranged in left side, low-temperature working storehouse (9) or right sidewall, the air-flow return-air window (8) be arranged on right side, low-temperature working storehouse (9) or left side sidewall, be laid in outside, low-temperature working storehouse (9) and the temperature-detecting device that successively the cold wind circulation passage and carrying out low-temperature working storehouse (9) internal temperature of input cold wind detects in real time in low-temperature working storehouse (9); described cold wind circulation passage comprises the gentle stream return gas channel (10) of cold airflow inlet channel (6), the upper end of the gentle stream return gas channel (10) of described cold airflow inlet channel (6) connects and the two junction is laid with the low-temperature switch (4) connected with compressor train (1), the bottom of described cold airflow inlet channel (6) gentle stream return gas channel (10) is arranged on that cold air air intake window (7) is gentle to be flowed back on transom window (8) respectively, described cold airflow inlet channel (6) or air-flow return gas channel (10) are provided with the cold airflow carrying out through low-temperature switch (4) obtaining after low temperature exchanges sent into low-temperature working storehouse (9) continuously by cold airflow inlet channel (6) and synchronously the air in low-temperature working storehouse (9) is drawn to low-temperature switch (4) installation place continuously by air-flow return gas channel (10) and carry out low temperature and exchange to realize the air blower fan group (3) that continuous circulation flows in described cold wind circulation passage, described cold air air intake window (7) is gentle, and to flow back to the installation position of transom window (8) just right, described blower fan group (3), low-temperature switch (4) and compressor train (1) are undertaken controlling by controller (12) and three all connects with controller (12), and described temperature-detecting device connects with controller (12),
Described cold air air intake window (7) is arranged on the left side sidewall in low-temperature working storehouse (9), and air-flow return-air window (8) is arranged in the right sidewall of low-temperature working storehouse (9);
Described low-temperature working storehouse (9) and described cold wind circulation passage arranged outside have the heat insulation structure be made up of thermal insulation layer (2) and hot isolating door (11);
The quantity of described temperature-detecting device is multiple;
Described temperature-detecting device is thermopair (5);
Described cold wind circulation passage is circular passage and it mats formation on the lateral wall of low-temperature working storehouse (9);
The gentle stream return gas channel (10) of described cold airflow inlet channel (6) is circular gas conveyance conduit;
The gentle transom window (8) that flows back to of described cold air air intake window (7) is window shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010574737.6A CN102486453B (en) | 2010-12-06 | 2010-12-06 | Low temperature environment testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010574737.6A CN102486453B (en) | 2010-12-06 | 2010-12-06 | Low temperature environment testing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN102486453A CN102486453A (en) | 2012-06-06 |
| CN102486453B true CN102486453B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010574737.6A Expired - Fee Related CN102486453B (en) | 2010-12-06 | 2010-12-06 | Low temperature environment testing apparatus |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835786A (en) * | 2012-09-09 | 2012-12-26 | 张向华 | Cold setter for boots |
| CN107478519B (en) * | 2017-08-02 | 2019-06-07 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of Cryo Equipment supports heat-insulated bar cryogenic property test device and test method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438039Y (en) * | 2000-03-27 | 2001-07-04 | 北京东方孚德技术发展中心 | Air intake device for air conditioner |
| CN2553363Y (en) * | 2002-07-13 | 2003-05-28 | 陈强 | Low temp./high-low temp. testing box controller |
| CN2751265Y (en) * | 2004-08-19 | 2006-01-11 | 信息产业部电子第五研究所 | Low temperature test chamber |
| CN101008651A (en) * | 2006-12-08 | 2007-08-01 | 北京航空航天大学 | Test apparatus of large-scaled environment simulation |
| CN101050896A (en) * | 2007-05-14 | 2007-10-10 | 朱晓峰 | Circulation type super low temperature air cooler |
| CN201357073Y (en) * | 2009-01-22 | 2009-12-09 | 重庆哈丁科技有限公司 | High/low temperature alternating temperature humidity teat box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62125230A (en) * | 1985-11-27 | 1987-06-06 | Hitachi Ltd | Cold heat environment testing device |
| JP2740633B2 (en) * | 1994-08-23 | 1998-04-15 | オリオン機械株式会社 | Structure of air cylinder for low temperature environment test equipment |
| JP2999710B2 (en) * | 1996-03-21 | 2000-01-17 | タバイエスペック株式会社 | Wide-range environmental test equipment |
| EP2096369A1 (en) * | 2008-02-29 | 2009-09-02 | Deerns Raadgevende Ingenieurs B.V. | Apparatus and method for cooling of a space with recirculation air |
-
2010
- 2010-12-06 CN CN201010574737.6A patent/CN102486453B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438039Y (en) * | 2000-03-27 | 2001-07-04 | 北京东方孚德技术发展中心 | Air intake device for air conditioner |
| CN2553363Y (en) * | 2002-07-13 | 2003-05-28 | 陈强 | Low temp./high-low temp. testing box controller |
| CN2751265Y (en) * | 2004-08-19 | 2006-01-11 | 信息产业部电子第五研究所 | Low temperature test chamber |
| CN101008651A (en) * | 2006-12-08 | 2007-08-01 | 北京航空航天大学 | Test apparatus of large-scaled environment simulation |
| CN101050896A (en) * | 2007-05-14 | 2007-10-10 | 朱晓峰 | Circulation type super low temperature air cooler |
| CN201357073Y (en) * | 2009-01-22 | 2009-12-09 | 重庆哈丁科技有限公司 | High/low temperature alternating temperature humidity teat box |
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| CN102486453A (en) | 2012-06-06 |
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Granted publication date: 20150527 Termination date: 20171206 |