CN210022174U - Equal-temperature-equalizing rapid temperature change test box - Google Patents
Equal-temperature-equalizing rapid temperature change test box Download PDFInfo
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- CN210022174U CN210022174U CN201920828680.4U CN201920828680U CN210022174U CN 210022174 U CN210022174 U CN 210022174U CN 201920828680 U CN201920828680 U CN 201920828680U CN 210022174 U CN210022174 U CN 210022174U
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Abstract
The utility model discloses a quick temperature change proof box of samming, including test area and energy storage district, test area and energy storage district mutual isolation, fixed mounting has the air compressor machine in the test area, dry air of input in the air compressor machine, the output of air compressor machine is in the test area, fixed mounting has the test chamber in the test area, the evaporimeter is installed to at least one side outside the test chamber, the test intracavity is provided with the circulation chamber, circulation fan is installed to the circulation intracavity, fixed mounting has heating element between the inner wall of test chamber outer wall and test area, install refrigerating system in the energy storage district, the evaporimeter is connected with refrigerating system, install low temperature compressor and high temperature compressor in the refrigerating system. The utility model discloses compact structure, reasonable in design can realize the quick temperature change function of samming to individual temperature control system mutual independence changes in control, and is lower to heating/refrigeration subassembly's power regulation frequency in normal use, is favorable to improving its life.
Description
Technical Field
The utility model relates to a proof box technical field, in particular to equal quick temperature change proof box of samming.
Background
The equal-temperature rapid temperature change test box can accurately control the temperature change rate, effectively evaluate whether the performance of a sample meets the use requirement after the aerospace product, an information electronic instrument, a material and various electronic components pass through a specified test period and are continuously detected or after the period is finished under the high-low temperature conversion condition.
The conventional rapid temperature change test box only determines the cooling speed according to the refrigerating capacity of a compressor installed in the test box, and determines the heating speed according to the power of a heating wire, so that the conventional rapid temperature change test box is unreasonable in economy, environmental protection and energy conservation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick temperature change proof box of samming.
The technical scheme of the utility model: equal quick temperature change proof box of samming, including test area and energy storage district, test area and energy storage district mutual isolation, fixed mounting has the air compressor machine in the test area, dry air of input in the air compressor machine, the output of air compressor machine is in the test area, fixed mounting has the test chamber in the test area, the evaporimeter is installed to at least one side outside the test chamber, the test intracavity is provided with the circulation chamber, circulating fan is installed to the circulation intracavity, fixed mounting has heating element between the inner wall in test chamber outer wall and test area, install refrigerating system in the energy storage district, the evaporimeter is connected with refrigerating system, install low temperature level compressor and high temperature level compressor in the refrigerating system.
In the equal-temperature-equalizing rapid temperature change test box, the test area is fixedly arranged above the energy storage area, and the joint of the test area and the energy storage area is hermetically connected through the isolation plate.
In the equal-temperature-equalization rapid temperature change test box, the input end of the high-temperature-stage compressor is connected with the heat exchanger, the input end of the heat exchanger is connected with the first condenser, the input end of the first condenser is connected with the low-temperature-stage compressor, the input end of the low-temperature-stage compressor is connected with the oil-water separator, the input end of the oil-water separator is connected with the output end of the evaporator, and the expansion container is connected between the oil-water separator and the first condenser.
In the equal-temperature-equalizing rapid temperature change test box, one end of the heat exchanger is sequentially connected with a first electromagnetic valve and a first expansion valve, and one end of the first expansion valve is connected to the input end of the evaporator.
In the equal-temperature-equalization rapid temperature change test box, the output end of the high-temperature-stage compressor is connected with a second condenser, the output end of the second condenser is sequentially connected with a second electromagnetic valve and a second expansion valve, and the output end of the second expansion valve is connected with the heat exchanger.
In the equal-temperature-equalizing rapid temperature change test box, the first condenser and the second condenser are connected through a circulating pipeline.
In the equal-temperature-equalizing rapid temperature change test box, the heating assembly consists of two groups of heating wires which are distributed up and down.
In the equal-temperature-equalizing rapid temperature change test box, the evaporators are three and are respectively located on two sides and at the bottom of the test cavity.
In the equal-temperature-equalizing rapid temperature change test box, a support plate is fixedly mounted at the bottom of the energy storage area, and a self-locking universal wheel is mounted at the bottom of the support plate.
In the equal-temperature-equalizing rapid temperature change test box, the circulation cavity is communicated with the test cavity up and down, the top of the circulation cavity is provided with the air deflector, and the angle between the air deflector and the vertical plane is 15-30 degrees.
Compared with the prior art, the utility model discloses compact structure, reasonable in design can realize the quick temperature change function of samming to individual temperature control system mutual independence changes in control, and is lower to heating/refrigeration subassembly's power regulation frequency in normal use, is favorable to improving its life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention;
FIG. 3 is a schematic diagram of an evaporator according to the present invention;
fig. 4 is a schematic structural diagram of the refrigeration system of the present invention;
fig. 5 is a schematic view of the structure of the circulation chamber of the present invention.
In the figure: 1-a test zone; 100-a test chamber; 102-a circulation chamber; 103-air deflector; 104-an evaporator; 105-a separator plate; 2-an energy storage area; 10 heating the assembly; 11 a first solenoid valve; 12-a first expansion valve; 13-a second condenser; 14-a heat exchanger; 15-oil water separator; 16-high temperature stage compressor; 17-circulation line.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): the equal-temperature-equalization rapid temperature change test box is shown in the attached figures 1-5 and comprises a test area 1 and an energy storage area 2; observation window 3 has been seted up in the outside of test zone 1, test zone 1 and energy storage district 2 keep apart each other, test zone 1 fixed mounting is in the top of energy storage district 2, the junction of test zone 1 and energy storage district 2 passes through division board 105 sealing connection. As shown in fig. 3.
An air compressor is fixedly installed in the test area, dry air is input into the air compressor, the output end of the air compressor is located in the test area, and a compressed air source entering the test box is kept above 2 kg. The air compressor and the refrigerating and heating components in the test box are reasonably combined together, and the temperature change rate is adjusted through the speed of the flow of compressed air.
The test chamber 100 is fixedly installed in the test area 1, the evaporator 104 is installed on at least one side outside the test chamber 100, the evaporator 104 is provided with three serially connected evaporators, and the evaporators are respectively located on two sides and the bottom of the test chamber 100, as shown in fig. 1 and fig. 2. The evaporator is arranged outside the test chamber 100, so that the cold energy can be spread more uniformly, the structural design is compact, and the space is saved.
Referring to fig. 5, a circulation chamber 102 is arranged in the test chamber 100, the circulation chamber 102 is formed by enclosing a side plate 106 and the inner wall of the test chamber 100, the circulation chamber 102 is vertically communicated with the test chamber 100, an air deflector 103 is arranged at the top of the circulation chamber 102, and the angle between the air deflector 103 and the vertical plane is 15-30 degrees (the air duct is smoother at the angle).
It should be noted that two sets of temperature sensors are installed in the test chamber 100, one set is disposed on one side of the air deflector 103, and the other set is disposed at the bottom (a in fig. 5) of the side plate 106 for measuring the temperature in the test chamber 100. The advantage of setting up two sets of temperature sensor lies in can effectively improving the rate of accuracy that detects. And can reflect dynamic temperature variation trends.
A circulating fan is arranged in the circulating cavity 102, the circulating fan is located on the rear side of the air deflector 103, namely the air deflector 103 is located at the output end of the circulating fan, and a cover body 8 is fixedly arranged at the top of the circulating fan.
A heating component 10 is fixedly installed between the outer wall of the testing cavity 100 and the inner wall of the testing area 1, and the heating component 10 is composed of two groups of heating wires which are distributed up and down. As shown in fig. 1
A refrigerating system is installed in the energy storage area 2, the evaporator 104 is connected with the refrigerating system, and a low-temperature stage compressor 16 and a high-temperature stage compressor 18 are installed in the refrigerating system. The compressor model number is 4PES-12Y-40P (manufactured by Bizel refrigeration technology Co., Ltd., Germany), and the refrigerant R23 is filled in the compressor.
The input end of the high-temperature stage compressor 18 is connected with a heat exchanger 14, the input end of the heat exchanger 14 is connected with a first condenser 131, the input end of the first condenser 131 is connected with the low-temperature stage compressor 16, the input end of the low-temperature stage compressor 16 is connected with an oil-water separator 15, the input end of the oil-water separator 15 is connected with the output end of the evaporator 104, and an expansion container is connected between the oil-water separator 15 and the first condenser 131. One end of the heat exchanger 14 is connected to a first solenoid valve 11 and a first expansion valve 12 in sequence, and one end of the first expansion valve 12 is connected to an input end of the evaporator 104. The output end of the high-temperature stage compressor is connected with a second condenser 13, the output end of the second condenser 13 is sequentially connected with a second electromagnetic valve and a second expansion valve, and the output end of the second expansion valve is connected with a heat exchanger 14. The first condenser 131 and the second condenser 13 are connected by a circulation pipe 17.
The working principle of the refrigerating system is as follows: compressing gaseous R23 refrigerant at normal temperature into high-temperature high-pressure gas, passing through an oil-water separator 15 with the model of S-5500 (manufactured by Shanghai Kangshi praseodymium trade company), oil and gas in the compressed gas are separated, clean high-temperature high-pressure gas flows into a first condenser 131 with the model of 10-12RT (manufactured by Zhejiang north peak refrigeration equipment Co., Ltd.), and after passing through the condenser, the high-temperature high-pressure gas is changed into a liquid form, the liquid refrigerant is throttled by an expansion valve, the model of the expansion valve is ZCB (manufactured by Emerson electric appliances in America), the throttled liquid refrigerant flows to an evaporator 104, the model of the throttled liquid refrigerant is ZF-207 (manufactured by Zhejiang Taikang evaporator Co., Ltd.), the evaporator is arranged in the energy storage area 2, and the evaporator absorbs heat in the energy storage area 2 so as to achieve the effect of cooling the energy storage area 2. The refrigerant after absorbing heat returns to the low-temperature stage compressor 16 again to finally reach the target temperature through secondary reciprocating work, and when the target set temperature is reached, the electromagnetic valve works to control the compressor to stop working.
In summary, the refrigeration system is divided into two stages; the first grade is high temperature level refrigerating system, and the second grade is low temperature level refrigerating system, and high temperature level refrigerating system is low temperature level refrigerating system cooling, and low temperature level refrigerating system is energy storage area 2 cooling, and in order to increase the heat dissipation of compressor, the condenser improves to the circulating line structure, specifically refer to fig. 4 and show.
In practical use, a general control system 7 (model: LH40) is installed in the test box, and the general control system is connected with the operating table 6, as shown in FIG. 1. During testing, the required temperature environment parameters (including temperature change rate) are input through the operation panel 6, the high temperature and low temperature requirements are sent through the master control system, the heating component 10 and the two compressors start to work, according to the requirement of the set high and low temperature values, the heating assembly 10 starts to store energy, and when the preset high temperature value is reached, the air compressor starts a proper amount of air flow according to the set temperature change rate to meet the requirement of the set temperature change rate, when the temperature sensor in the test chamber 100 detects that the temperature reaches the set temperature, the output of cold or heat to the test area is stopped, the circulating fan starts to work, so that the temperature of each area in the test chamber 100 is kept in a uniform state, when the temperature in the test box is higher or lower than the set temperature value, the electromagnetic valve 10 and the expansion valve 11 can be automatically opened or closed so as to achieve the stable and uniform temperature in the test area of the test box.
Claims (10)
1. Equal temperature quick temperature change proof box, its characterized in that: comprises a test area (1) and an energy storage area (2), wherein the test area (1) and the energy storage area (2) are mutually isolated, an air compressor is fixedly arranged in the test area, dry air is input into the air compressor, the output end of the air compressor is arranged in the test area, a test chamber (100) is fixedly arranged in the test area (1), an evaporator (104) is arranged at least one side outside the test chamber (100), a circulating cavity (102) is arranged in the testing cavity (100), a circulating fan is arranged in the circulating cavity (102), a heating component (10) is fixedly arranged between the outer wall of the testing cavity (100) and the inner wall of the testing area (1), a refrigerating system is arranged in the energy storage area (2), the evaporator (104) is connected with the refrigerating system, the refrigeration system is internally provided with a low-temperature stage compressor (16) and a high-temperature stage compressor (18).
2. The equal-temperature-average rapid temperature change test chamber according to claim 1, characterized in that: the test area (1) is fixedly arranged above the energy storage area (2), and the joint of the test area (1) and the energy storage area (2) is hermetically connected through an isolation plate (105).
3. The equal-temperature-average rapid temperature change test chamber according to claim 1, characterized in that: the input of high temperature stage compressor (18) is connected with heat exchanger (14), the input of heat exchanger (14) is connected with first condenser (131), the input and the low temperature stage compressor (16) of first condenser (131) are connected, the input of low temperature stage compressor (16) is connected with oil water separator (15), the input and the output of evaporimeter (104) of oil water separator (15) are connected, be connected with expansion vessel between oil water separator (15) and first condenser (131).
4. The equal-temperature-average rapid temperature change test chamber according to claim 3, characterized in that: one end of the heat exchanger (14) is sequentially connected with a first electromagnetic valve (11) and a first expansion valve (12), and one end of the first expansion valve (12) is connected to the input end of the evaporator (104).
5. The equal-temperature-average rapid temperature change test chamber according to claim 4, characterized in that: the output end of the high-temperature stage compressor is connected with a second condenser (13), the output end of the second condenser (13) is sequentially connected with a second electromagnetic valve and a second expansion valve, and the output end of the second expansion valve is connected with a heat exchanger (14).
6. The equal-temperature-average rapid temperature change test chamber according to claim 5, characterized in that: the first condenser (131) and the second condenser (13) are connected through a circulating pipeline (17).
7. The equal-temperature-average rapid temperature change test chamber according to claim 1, characterized in that: the heating component (10) is composed of two groups of heating wires which are distributed up and down.
8. The equal-temperature-average rapid temperature change test chamber according to claim 1, characterized in that: the evaporators (104) are connected in series, and are respectively located on two sides and the bottom of the test cavity (100).
9. The equal-temperature-average rapid temperature change test chamber according to claim 1, characterized in that: the bottom of the energy storage area (2) is fixedly provided with a carrier plate (23), and the bottom of the carrier plate (23) is provided with a self-locking universal wheel (24).
10. The equal-temperature-average rapid temperature change test chamber according to claim 1, characterized in that: the circulating cavity (102) is communicated with the testing cavity (100) up and down, an air deflector (103) is arranged at the top of the circulating cavity (102), and the angle between the air deflector (103) and a vertical plane is 15-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828680.4U CN210022174U (en) | 2019-06-04 | 2019-06-04 | Equal-temperature-equalizing rapid temperature change test box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920828680.4U CN210022174U (en) | 2019-06-04 | 2019-06-04 | Equal-temperature-equalizing rapid temperature change test box |
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| CN210022174U true CN210022174U (en) | 2020-02-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052295A (en) * | 2019-06-04 | 2019-07-26 | 杭州泰鼎检测技术有限公司 | The equal quick temperature changing test chamber of sammings |
| CN112684320A (en) * | 2020-12-17 | 2021-04-20 | 海光信息技术股份有限公司 | Chip low-temperature testing environment bin and chip testing machine |
| CN115555057A (en) * | 2022-08-25 | 2023-01-03 | 福州大学 | High low temperature test box with novel drive mode |
-
2019
- 2019-06-04 CN CN201920828680.4U patent/CN210022174U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052295A (en) * | 2019-06-04 | 2019-07-26 | 杭州泰鼎检测技术有限公司 | The equal quick temperature changing test chamber of sammings |
| CN110052295B (en) * | 2019-06-04 | 2024-02-27 | 杭州泰鼎检测技术有限公司 | Uniform temperature rapid temperature change test box |
| CN112684320A (en) * | 2020-12-17 | 2021-04-20 | 海光信息技术股份有限公司 | Chip low-temperature testing environment bin and chip testing machine |
| CN112684320B (en) * | 2020-12-17 | 2023-01-31 | 海光信息技术股份有限公司 | Chip low-temperature testing environment bin and chip testing machine |
| CN115555057A (en) * | 2022-08-25 | 2023-01-03 | 福州大学 | High low temperature test box with novel drive mode |
| CN115555057B (en) * | 2022-08-25 | 2024-06-04 | 福州大学 | High-low temperature test box with novel driving mode |
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