CN215296327U - High-acceleration life test box capable of adjusting test environment - Google Patents
High-acceleration life test box capable of adjusting test environment Download PDFInfo
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- CN215296327U CN215296327U CN202122015186.6U CN202122015186U CN215296327U CN 215296327 U CN215296327 U CN 215296327U CN 202122015186 U CN202122015186 U CN 202122015186U CN 215296327 U CN215296327 U CN 215296327U
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Abstract
The utility model discloses a high-acceleration life test box capable of adjusting test environment, which comprises a box body, a controller, a vibration platform, a pulse vibrator, a temperature control pipeline, a temperature sensor, a humidity sensor, a pressure sensor, a resistance heater, a dryer and a humidifier, wherein the pulse vibrator is arranged on the bottom surface of the box body, the vibration platform is arranged on the pulse vibrator, the temperature sensor, the humidity sensor and the pressure sensor are arranged on the side surface of the box body, the temperature control pipeline is arranged at the back of the box body, the resistance heater is arranged in the middle of the box body, the dryer and the humidifier are respectively arranged at the lower side and the upper side of a heating wire, the controller is arranged on the outer surface of the box body, the pulse vibrator, the temperature sensor, the humidity sensor, the pressure sensor, the resistance heater, the dryer and the humidifier are all connected with the controller, the utility model has reasonable structure, and can quickly realize high-low temperature alternate transformation, meanwhile, the drying device and the humidifier are further arranged, and tests of different dry and wet environments can be simulated.
Description
Technical Field
The utility model relates to a machinery, electron device detection area especially relate to a high accelerated life test case of adjustable test environment.
Background
The high accelerated Life test (HALT test) is a process for revealing design defects and deficiencies of electronic and mechanical assemblies by using a rapid high and low temperature transformation oscillation system. The purpose of HALT is to identify the functional and damage limits of a product at an early stage of its development, thereby optimizing the reliability of the product.
When the high-accelerated life test is carried out on the low-temperature link, a large amount of liquid nitrogen is filled into the test box, the space of the test box is relatively large due to small tested samples, and the temperature of the samples cannot be changed at the fastest speed when the high-low temperature test is carried out on the link. Therefore, how to provide a high accelerated life test chamber capable of rapidly adjusting the test environment becomes a difficult problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high life-span proof box with higher speed of adjustable experimental environment solves the tradition height and moulds life-span proof box can not the rapid change to satisfy the problem of experimental requirement.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a high accelerated life test box of adjustable test environment, including box, controller, vibration platform, pulse vibrator, control by temperature change pipeline, resistance heater, desicator and humidifier, the pulse vibrator sets up on the bottom surface of the left room of box, vibration platform sets up on the pulse vibrator, be provided with temperature sensor, humidity transducer and pressure sensor on the side of the left room of box, the control by temperature change pipeline sets up the back of the left room of box, resistance heater sets up the middle part of the right room of box, the desicator with the humidifier sets up respectively resistance heater's downside and upside, the controller sets up on the surface of box, the pulse vibrator temperature sensor humidity transducer pressure sensor resistance heater, The dryer and the humidifier are connected with the controller to achieve timely monitoring and feedback of data, so that automatic control is achieved, and two ports of the temperature control pipeline are connected with the vacuum pump and the liquid nitrogen tank respectively.
Furthermore, the front face of the left chamber of the box body is provided with an opening and closing door plate, one side of the opening and closing door plate is hinged to the box body, and the middle of the opening and closing door plate is provided with a glass window for observation.
Furthermore, the temperature control pipeline comprises a horizontal main pipeline and a vertical branch pipeline, a plurality of fine holes are formed in the branch pipeline, electric valves are arranged at the inlet and the outlet of the main pipeline, the two electric valves are respectively connected with a vacuum pump and a liquid nitrogen tank, and the electric valves are connected with the controller.
Furthermore, a circulating fan is arranged on the bottom surface of the right chamber on the box body and connected with the controller.
Furthermore, two through openings are formed in the partition plate in the middle of the box body.
Further, the upper portion of the box body is provided with a guide plate, and the upper end of the guide plate is flush with the center of the through opening.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses high accelerated life test of adjustable test environment, including box, controller, vibration platform, pulse vibrator, control by temperature change pipeline, temperature sensor, humidity transducer, pressure sensor, resistance heater, desicator and humidifier, arrange for the face through changing the control by temperature change pipeline line and arrange, strengthened the cooling rate of test environment, simultaneously, the control by temperature change pipeline still with vacuum pump connection, not only can be to test environment evacuation, can also take out the low temperature gas in the proof box, realize rapid heating up's purpose; a circulating fan is arranged on the right side of the box body, so that air heated by the resistance heater can be circulated, and the temperature rise of the test is ensured; meanwhile, a flow guide plate is arranged above the vibration platform to guide the circulating hot air, so that the temperature difference between two sides of the test element is prevented, and the test result is influenced; the upper part and the lower part of the resistance heater are respectively provided with a humidifier and a dryer which can humidify or dry the test environment. The utility model discloses rational in infrastructure, the liquid nitrogen can cover test element top with the fastest mode, and low temperature gas still can be discharged through the vacuum pump, realizes the fast recovery normal atmospheric environment, and test box right side heating and circulating device can add the test environment soon, simultaneously, still are equipped with desicator and humidifier, can simulate different test of doing wet environment.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of a high accelerated life test chamber of the present invention with adjustable test environment;
FIG. 2 is a schematic view of the present invention;
description of reference numerals: 1. a box body; 2. a controller; 3. a vibration platform; 4. a pulse vibrator; 5. a temperature controlled pipeline; 6. a temperature sensor; 7. a humidity sensor; 8. a pressure sensor; 9. a resistance heater; 10. a dryer; 11. a humidifier; 12. a circulating fan; 13. a baffle.
Detailed Description
As shown in figure 1, a high-acceleration life test box capable of adjusting test environment comprises a box body 1, a controller 2, a vibration platform 3, a pulse vibrator 4, a temperature control pipeline 5, a resistance heater 9, a dryer 10 and a humidifier 11, wherein the pulse vibrator 4 is arranged on the bottom surface of a left chamber of the box body 1, the vibration platform 3 is arranged on the pulse vibrator 4, a temperature sensor 6, a humidity sensor 7 and a pressure sensor 8 are arranged on the side surface of the left chamber of the box body 1, the temperature control pipeline is arranged at the back of the left chamber of the box body 1, the resistance heater 9 is arranged in the middle of a right chamber of the box body 1, the dryer 10 and the humidifier 11 are respectively arranged at the lower side and the upper side of the resistance heater 9, the controller 2 is arranged on the outer surface of the box body 1, the pulse vibrator 4, the upper side of the resistance heater 9 and the humidifier 11 are respectively arranged on the outer surface of the box body 1, and the pulse vibrator 4, The temperature sensor 6, the humidity sensor 7, the pressure sensor 8, the resistance heater 9, the dryer 10 and the humidifier 11 are connected with the controller 2 to realize timely monitoring and feedback of data, so that automatic control is realized, and two ports of the temperature control pipeline 5 are respectively connected with the vacuum pump and the liquid nitrogen tank.
The left room of box 1 openly is equipped with the switching door plant, one side of switching door plant articulates on box 1, the middle part of switching door plant is equipped with the glass window of observing usefulness, is convenient for observe the test piece state.
Temperature control pipeline 5 includes horizontally trunk line and vertical branch pipeline, it has a plurality of pores to divide to open on the pipeline, the exit both ends of trunk line are equipped with the motorised valve, two vacuum pump and liquid nitrogen tank are connected respectively to the motorised valve, the motorised valve with controller 2 is connected, and the cooling from the line cooling to the proof box becomes the face cooling, and cooling rate is faster, and when experimental environment was changed by low temperature to high temperature simultaneously, the start vacuum pump can take out low temperature nitrogen gas in the proof box.
And a circulating fan 12 is arranged on the bottom surface of the right chamber on the box body 1, and the circulating fan 12 is connected with the controller 2.
Two openings are formed in the partition plate in the middle of the box body 1, so that circulation of two chambers of the box body 1 is realized.
1 upper portion of box is equipped with guide plate 13, guide plate 13 the upper end with the central parallel and level of opening, the gas after regular heating makes the test area from the top down realize rising temperature, avoids test area left side and right side to produce the difference in temperature, damages test element.
The utility model discloses a test process as follows:
quick thermal cycle test:
first, a test element is mounted on a vibration table 3, and a pulse vibrator 4 is activated by a controller 2. Secondly, an electric valve connected with a liquid nitrogen tank is controlled to be opened, liquid nitrogen enters a left chamber of the box body 1 through a temperature control pipeline 5, and the box body 1 is filled with the liquid nitrogen to realize cooling; and thirdly, closing an electric valve connected with the liquid nitrogen tank, opening an electric valve connected with a vacuum pump, pumping low-temperature gas in the box body 2, simultaneously starting the resistance heater 9 and the circulating fan 12 to heat the gas, and closing the electric valve connected with the vacuum pump when the temperature in the box body 1 reaches the room temperature to realize temperature rise. The second step and the third step are alternately carried out, and then the rapid thermal cycle test can be carried out.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a high accelerated life test case of adjustable experimental environment which characterized in that: comprises a box body (1), a controller (2), a vibration platform (3), a pulse vibrator (4), a temperature control pipeline (5), a resistance heater (9), a dryer (10) and a humidifier (11), wherein the pulse vibrator (4) is arranged on the bottom surface of the left chamber of the box body (1), the vibration platform (3) is arranged on the pulse vibrator (4), a temperature sensor (6), a humidity sensor (7) and a pressure sensor (8) are arranged on the side surface of the left chamber of the box body (1), the temperature control pipeline is arranged at the back of the left chamber of the box body (1), the resistance heater (9) is arranged in the middle of the right chamber of the box body (1), the dryer (10) and the humidifier (11) are respectively arranged at the lower side and the upper side of the resistance heater (9), the controller (2) is arranged on the outer surface of the box body (1), the pulse vibrator (4), the temperature sensor (6), the humidity sensor (7), the pressure sensor (8), the resistance heater (9), the dryer (10) and the humidifier (11) are all connected with the controller (2), and two ports of the temperature control pipeline (5) are respectively connected with the vacuum pump and the liquid nitrogen tank.
2. The adjustable test environment high accelerated life test chamber of claim 1, wherein: the front side of the left chamber of the box body (1) is provided with an opening and closing door plate, one side of the opening and closing door plate is hinged on the box body (1), and the middle part of the opening and closing door plate is provided with a glass window for observation.
3. The adjustable test environment high accelerated life test chamber of claim 1, wherein: the temperature control pipeline (5) comprises a horizontal main pipeline and a vertical branch pipeline, a plurality of fine holes are formed in the branch pipeline, electric valves are arranged at the inlet and the outlet of the main pipeline and are respectively connected with a vacuum pump and a liquid nitrogen tank, and the electric valves are connected with the controller (2).
4. The adjustable test environment high accelerated life test chamber of claim 1, wherein: and a circulating fan (12) is arranged on the bottom surface of the right chamber on the box body (1), and the circulating fan (12) is connected with the controller (2).
5. The adjustable test environment high accelerated life test chamber of claim 1, wherein: two through openings are formed in the partition plate in the middle of the box body (1).
6. The adjustable test environment high accelerated life test chamber of claim 5, wherein: the upper portion of box (1) is equipped with guide plate (13), the upper end of guide plate (13) with the center parallel and level of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122015186.6U CN215296327U (en) | 2021-08-25 | 2021-08-25 | High-acceleration life test box capable of adjusting test environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122015186.6U CN215296327U (en) | 2021-08-25 | 2021-08-25 | High-acceleration life test box capable of adjusting test environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296327U true CN215296327U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122015186.6U Active CN215296327U (en) | 2021-08-25 | 2021-08-25 | High-acceleration life test box capable of adjusting test environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215296327U (en) |
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2021
- 2021-08-25 CN CN202122015186.6U patent/CN215296327U/en active Active
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