Multi-dimensional environment test equipment and use method thereof

By connecting the test chamber with a variety of environmental control components and using control units for independent regulation, the existing environmental comprehensive testing system has solved the problems of complex structure and cumbersome operation, and comprehensive testing of multiple environmental stresses and efficient testing operations are achieved.

CN119733583APending Publication Date: 2025-04-01CHINA ACAD OF AEROSPACE AERODYNAMICS
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Patent Information

Application Number
CN202411840783.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-04-01

AI Technical Summary

Technical Problem

The existing environmental comprehensive test system has complex structure, cumbersome use and maintenance, making it difficult to achieve the superposition of multiple test conditions.

Method used

A multi-dimensional environmental testing equipment is designed to achieve comprehensive environmental testing in different combinations by connecting the test chamber with circulating fans, cooling components, vacuum components, heating components, and compression components, and using a control unit to independently regulate each component.

Benefits of technology

The equipment can conduct comprehensive tests of six environmental stresses: temperature, humidity, height, vibration, light and wind speed. Through the control unit, it is easy to operate and improve the use efficiency of the test equipment.

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Abstract

The invention discloses multi-dimensional environmental test equipment and a use method thereof, and relates to the field of environmental test equipment, and the equipment comprises a test box which is internally provided with a solar simulation assembly and a vibration table, and the vibration table is used for placing a test piece; the circulating fan is connected with the test box through an air duct, and the air duct is connected with the cooling assembly, the vacuum assembly, the heating assembly and the compression assembly; the control unit is connected with the sun simulation assembly, the vibration table, the circulating fan, the cooling assembly, the vacuum assembly, the heating assembly and the compression assembly; according to the test equipment, the test box is connected with the circulating fan, the cooling assembly, the vacuum assembly, the heating assembly and the compression assembly, all the assemblies are regulated and controlled through the control unit, the test equipment can have the comprehensive environment test capacity of different combination modes, operation is convenient, and the use efficiency of the test equipment is improved.
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Description

Technical Field

[0001] The present invention belongs to the field of environmental testing equipment, and more specifically, relates to a multi-dimensional environmental testing equipment and a method for using the same. Background Art

[0002] The comprehensive environmental test system is suitable for information electronic instruments and meters, various electronic complete machines, parts and components, materials, processes, etc. in the temperature, humidity, altitude (≤30,000 meters), vibration, light, wind speed and other climatic and mechanical environments, as well as comprehensive environmental tests of various factors. However, in order to create the superposition of multiple test conditions, the test cabin needs to be connected to multiple equipment units, which will make the test system structure complex, and the use, operation and future maintenance very cumbersome. Summary of the invention

[0003] The purpose of the present invention is to address the deficiencies in the prior art and to provide a multi-dimensional environmental testing equipment and a method of using the same. The testing equipment connects a testing chamber with a circulating fan, a cooling component, a vacuum component, a heating component, and a compression component. Each component is regulated separately by a control unit, so that the testing equipment can have comprehensive environmental testing capabilities in different combinations, which is not only convenient to operate but also improves the efficiency of using the testing equipment.

[0004] In order to achieve the above object, the present invention provides a multi-dimensional environmental testing device, comprising:

[0005] A test box, wherein a solar simulation component and a vibration table are arranged inside, and the vibration table is used to place the test piece;

[0006] A circulating fan is connected to the test box through an air duct, and the air duct is connected to a cooling component, a vacuum component, a heating component, and a compression component;

[0007] A control unit is connected to the solar simulation component, the vibration table, the circulation fan, the cooling component, the vacuum component, the heating component, and the compression component.

[0008] Optionally, a buffer material is provided between the vibration table and the bottom of the test box, and the vibration table and the test piece are fixed by snap connection.

[0009] Optionally, the light source of the solar simulation component is a xenon lamp, and the simulated irradiation intensity of the solar simulation component is not less than 1500w / ㎡.

[0010] Optionally, the outside of the air duct is wrapped with a heat-insulating layer, and both ends of the air duct are connected to the air inlet and the air outlet of the test box.

[0011] Optionally, the circulating fan is arranged in the air duct, the cooling component includes a liquid nitrogen storage tank, and the air outlet of the liquid nitrogen storage tank is connected to the air duct.

[0012] Optionally, the vacuum assembly includes a plurality of vacuum units arranged in parallel, and the plurality of vacuum units are connected to the air duct via a vacuum tube.

[0013] Optionally, the heating component includes a heater, a heat source output end of the heater is connected to the air duct, and the compression component includes a compressor unit, and an air source output end of the compressor unit is connected to the air duct.

[0014] Optionally, an evaporator is also provided on the outer surface of the air duct.

[0015] Optionally, a drain valve is provided on the air duct.

[0016] The present invention also provides a method for using the multi-dimensional environmental testing device. Using the multi-dimensional environmental testing device, the method includes:

[0017] The test piece is fixed on the vibration table, and the control unit controls and adjusts the circulation fan, the solar simulation component, the vibration table, the circulation fan, the cooling component, the vacuum component, the heating component, and the compression component.

[0018] The present invention provides a multi-dimensional environmental testing equipment and a method for using the same, which has the beneficial effects of: a circulating fan is arranged in the air duct of the testing equipment, and the air duct is connected to a liquid nitrogen storage tank, a vacuum unit, a heater and a compressor unit; a solar simulation component and a vibration table are arranged in the test box, so that the test piece can be subjected to six comprehensive tests of temperature, humidity, altitude, vibration, light and wind speed; and each component can be started separately and combined together through a control unit, so that the test box can perform comprehensive tests on the test piece in different combinations.

[0019] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein like reference numerals generally represent like components throughout the exemplary embodiments of the present invention.

[0021] Figure 1 A schematic structural diagram of a multi-dimensional environmental testing device according to an embodiment of the present invention is shown.

[0022] Description of reference numerals:

[0023] 1. Test chamber; 2. Vibration table; 3. Test piece; 4. Solar simulation device; 5. Air duct; 6. Insulation layer; 7. Circulation fan; 8. Liquid nitrogen storage tank; 9. Vacuum unit; 10. Heater; 11. Compressor unit; 12. Evaporator; 13. Drain valve. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0025] The present invention provides a multi-dimensional environmental testing device, comprising:

[0026] A test box, which is provided with a solar simulation component and a vibration table, and the vibration table is used to place the test piece;

[0027] The circulating fan is connected to the test chamber through an air duct, and the air duct is connected to the cooling component, the vacuum component, the heating component, and the compression component;

[0028] Control unit, solar simulation component, vibration table, circulation fan, cooling component, vacuum component, heating component, compression component.

[0029] Specifically, the test equipment is capable of conducting single or multiple combined or comprehensive tests of six environmental stresses: temperature, humidity, altitude, vibration, light, and wind speed. It can also individually control each component and circulating fan through a control unit, thereby starting several of the test conditions to form a comprehensive test environment for testing the test pieces.

[0030] The test equipment also has the following functions: the ability to independently test five comprehensive tests of temperature, humidity, altitude, vibration, and light; the ability to conduct four comprehensive environmental tests of temperature, humidity, altitude, and vibration; the ability to conduct typical three comprehensive tests of temperature, humidity, and vibration, three comprehensive tests of temperature, altitude, and vibration, and three comprehensive tests of temperature, humidity, and altitude; the ability to conduct comprehensive tests of any two of the six stresses of temperature, humidity, altitude, vibration, light, and wind speed; the ability to conduct a single stress environmental test among the six stresses of temperature, humidity, altitude, vibration, light, and wind speed; the vibration table has functions such as random, sine, random plus random, random plus sine, impact response spectrum, typical mechanical impact, and road spectrum simulation.

[0031] Optionally, a buffer material is provided between the vibration table and the bottom of the test box, and the vibration table and the test piece are fixed by snap connection.

[0032] Optionally, the vacuum assembly includes a plurality of vacuum units arranged in parallel, and the plurality of vacuum units are connected to the air duct via a vacuum tube.

[0033] Specifically, the test chamber can provide a temperature range of -90℃~150℃, and can adopt three-stage cascade refrigeration. The vacuum unit can also provide pressure adjustment for the test chamber, and the pressure adjustment range is 1.2kPa~101kPa. In addition, the vibration table is composed of a control unit and a vibration table body, with a simple structure and an achievable frequency range of 5Hz~2500Hz. It has the characteristics of small low-frequency distortion and strong carrying capacity.

[0034] In one embodiment, an atomizing nozzle is further provided in the test box, which can adjust the humidity of the environment in the test box so that the humidity range is adjusted between 20% and 98%.

[0035] Optionally, the light source of the solar simulation component is a xenon lamp, and the simulated irradiation intensity of the solar simulation component is not less than 1500w / ㎡.

[0036] Optionally, the outside of the air duct is wrapped with a thermal insulation layer, and both ends of the air duct are connected to the air inlet and the air outlet of the test box.

[0037] Optionally, the circulating fan is arranged in the air duct, the cooling component includes a liquid nitrogen storage tank, and the air outlet of the liquid nitrogen storage tank is connected to the air duct.

[0038] Optionally, the heating component includes a heater, a heat source output end of the heater is connected to the air duct, and the compression component includes a compressor unit, and an air source output end of the compressor unit is connected to the air duct.

[0039] Optionally, an evaporator is also provided on the outer surface of the air duct.

[0040] Optionally, a drain valve is provided on the air duct.

[0041] Specifically, the circulating fan is the wind speed power source of the air duct, and can still provide strong wind pressure under low density conditions. The liquid nitrogen storage tank provides liquid nitrogen for cooling the air duct, the vacuum unit is used to provide a vacuum environment for the air duct, the heater can transfer heat to the air duct, the compressor unit is used to provide compressed air to the air duct, the evaporator can release the heat in the air duct to the outside air, and the drain valve can drain the waste liquid and condensed water in the pipeline.

[0042] The present invention also provides a method for using the multi-dimensional environmental testing device. Using the multi-dimensional environmental testing device, the method includes:

[0043] The test piece is fixed on the vibration table, and the control unit controls and adjusts the circulation fan, the solar simulation component, the vibration table, the circulation fan, the cooling component, the vacuum component, the heating component, and the compression component.

[0044] Example

[0045] like Figure 1 As shown, the present invention provides a multi-dimensional environmental test equipment, the test box 1 is the main equipment, which can be the test space of the test piece 3, the vibration table 2 is placed at the bottom of the test box 1, and the two are connected by a pressure-resistant soft material, the upper part of the vibration table 2 is fixed to the test piece 3 by a clamping method, and the solar simulation device 4 is also placed in the test box to provide the required light for the test piece 3. The test box 1, the vibration table 2 and the solar simulation device 4 are used together to realize the temperature, humidity, height, vibration, and light parameter adjustment functions, and can also independently test five comprehensive tests.

[0046] In addition, the air duct 5 and the circulating fan 7 are used together to provide the required wind speed to the space where the test piece 3 is located in the test box 1; the liquid nitrogen storage tank 8 and the evaporator 12 are used together for low-temperature temperature regulation; the heater 10 and the evaporator 12 are used together for high-temperature temperature regulation; the vacuum unit 9 can be used to adjust the vacuum degree inside the test box 1 and the air duct 5, and then adjust the test height of the test piece 3; the insulation layer 6 can avoid excessive loss of heat source and cold source; the compressor unit 11 can be used to provide the compressed air source required by the equipment.

[0047] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A multi-dimensional environmental testing device, characterized in that: include: A test box, wherein a solar simulation component and a vibration table are arranged inside, and the vibration table is used to place the test piece; A circulating fan is connected to the test box through an air duct, and the air duct is connected to a cooling component, a vacuum component, a heating component, and a compression component; A control unit is connected to the solar simulation component, the vibration table, the circulation fan, the cooling component, the vacuum component, the heating component, and the compression component.

2. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: A buffer material is arranged between the vibration table and the bottom of the test box, and the vibration table and the test piece are fixed by clamping.

3. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: The light source of the solar simulation component is a xenon lamp, and the simulated irradiation intensity of the solar simulation component is not less than 1500w / ㎡.

4. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: The outside of the air duct is wrapped with a heat-insulating layer, and two ends of the air duct are connected to the air inlet and the air outlet of the test box.

5. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: The circulating fan is arranged in the air duct, and the cooling component comprises a liquid nitrogen storage tank, and an air outlet of the liquid nitrogen storage tank is communicated with the air duct.

6. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: The vacuum assembly includes a plurality of vacuum units arranged in parallel, and the plurality of vacuum units are connected to the air duct via vacuum tubes.

7. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: The heating component includes a heater, a heat source output end of the heater is communicated with the air duct, and the compression component includes a compressor unit, and an air source output end of the compressor unit is communicated with the air duct.

8. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: An evaporator is also arranged on the outer surface of the air duct.

9. The multi-dimensional environmental testing equipment according to claim 1, characterized in that: A drain valve is arranged on the air duct.

10. A method for using a multi-dimensional environmental testing device, using the multi-dimensional environmental testing device according to any one of claims 1 to 9, characterized in that: The method includes: The test piece is fixed on the vibration table, and the control unit controls and adjusts the circulation fan, the solar simulation component, the vibration table, the circulation fan, the cooling component, the vacuum component, the heating component, and the compression component.

Citation Information

Patent Citations

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