CN114646586A - Airborne antenna temperature-humidity-altitude environment test device - Google Patents
Airborne antenna temperature-humidity-altitude environment test device Download PDFInfo
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- CN114646586A CN114646586A CN202210252152.5A CN202210252152A CN114646586A CN 114646586 A CN114646586 A CN 114646586A CN 202210252152 A CN202210252152 A CN 202210252152A CN 114646586 A CN114646586 A CN 114646586A
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- 238000012360 testing method Methods 0.000 title claims abstract description 128
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 241000270295 Serpentes Species 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses an airborne antenna temperature-humidity-height environment test device which comprises a test box, wherein a test assembly is arranged in the test box, a test groove is arranged on the test assembly, the test assembly is detachably connected with a tested antenna, the tested antenna is covered on the test groove in a sealing manner, a liquid cooling flow passage is arranged in the test assembly, and the liquid cooling flow passage is communicated with an external liquid cooling source. The invention has the beneficial effects that: the invention installs the antenna to be tested on the antenna temperature-humidity-height environment test device assembled by the test component, the antenna to be tested, the temperature sensor, the fluid pipeline and the like, and places the antenna to be tested in the test box for test.
Description
Technical Field
The invention belongs to the technical field of airborne antenna environment tests, and particularly relates to an airborne antenna temperature-humidity-altitude environment test device suitable for an airborne skin antenna temperature-humidity-altitude environment test.
Background
When the airplane is in flight and high-speed airflow flows through the airplane body, the kinetic energy lost by the airflow is converted into heat energy in the boundary layer due to the strong friction between the airflow and the airplane skin, so that the temperature of the airflow in the boundary layer is increased, and the skin is heated. In hypersonic flight, the air around the aircraft is subjected to intense compression to develop high temperatures, further enhancing aerodynamic heating.
An airborne antenna conformal to a skin requires test steps in a 'temperature-humidity-altitude' environment test, wherein the temperature is 70 ℃, the altitude is 15000 meters (according to GJB 150.24A-2009 military equipment laboratory environment test method part 24: temperature-humidity-vibration-altitude test page 7 formula (2), the low air pressure at the height of 15000 meters is calculated to be 11.54kPa), the humidity is less than 30%, and the operation is carried out for two hours. Then, the following conversion is carried out: the maximum temperature outside the skin is 155 ℃, the height is kept at 15000 m, the humidity is kept at less than 30%, and the working time is 5 minutes.
The conventional electronic component cannot bear the high temperature of 155 ℃, and a general temperature-humidity-altitude environment test box cannot perform temperature partition control, so that a test device capable of performing temperature partition control is needed, an onboard skin antenna is installed in the test device, then the whole body of the skin antenna and the test device is placed in the temperature-humidity-altitude environment test box, the temperature outside the skin exposed in the test box is set to be 155 ℃, and the temperature inside the test device is controlled to be about 70 ℃.
Disclosure of Invention
The invention aims to: the invention provides an airborne antenna temperature-humidity-altitude environment test device, which solves the problem that the existing test device can not carry out temperature zone control. The invention has the functions of temperature control and liquid cooling circulating cooling, does not need to modify the existing temperature-humidity-height environment test box, and can meet the requirement of an environment test device of an airborne skin antenna in an extremely high temperature environment.
The purpose of the invention is realized by the following technical scheme:
the airborne antenna temperature-humidity-height environment test device comprises a test box, wherein a test assembly is arranged in the test box, a test groove is formed in the test assembly, the test assembly is detachably connected with a tested antenna, a seal cover of the tested antenna is arranged on the test groove, a liquid cooling runner is arranged in the test assembly, and the liquid cooling runner is communicated with an external liquid cooling source.
Furthermore, the test assembly is provided with a test groove with an upper opening, the test assembly is provided with a mounting structure positioned at the opening of the test groove, and the mounting structure is detachably connected with the antenna to be tested.
Furthermore, the mounting structure is a plane or a curved surface conformal to the inner side surface of the antenna to be tested.
Furthermore, the test assembly is provided with a fluid input connector and a fluid output connector, the fluid input connector is communicated with one end of the liquid cooling flow channel, and the fluid output connector is communicated with the other end of the liquid cooling flow channel.
Further, the liquid cooling flow channel is arranged in a snake shape.
Furthermore, the side wall of the test box is provided with a switching plate for switching cables and pipelines.
Furthermore, a temperature sensor is arranged in the test groove and is connected with an external temperature tester through a temperature cable.
Furthermore, the test assembly is provided with a temperature cable adapter for switching the temperature cable.
Furthermore, the tested antenna is connected with an external antenna test bench through a test cable.
Furthermore, the test assembly is provided with a high-low frequency cable adapter for switching the test cable.
Furthermore, the liquid cooling flow channel is in circulating communication with the liquid cooling source through a fluid pipeline.
The invention has the beneficial effects that:
1. the invention installs the antenna to be tested on the antenna temperature-humidity-height environment test device assembled by the test component, the antenna to be tested, the temperature sensor, the fluid pipeline and the like, and places the antenna to be tested in the test box for test.
2. When various cables and pipelines are connected for testing, the size of a valve switch on a liquid cooling source is properly and manually adjusted by observing a temperature display value on a temperature tester, and the flow speed of cooling liquid entering the testing assembly are adjusted, so that the air temperature between the testing assembly and the antenna to be tested is cooled and controlled, and the requirement that the air temperature between the testing assembly and the antenna to be tested is maintained at 70 ℃ when the temperature in a testing box is 155 ℃ is met.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the construction of a test assembly according to the present invention.
FIG. 3 is a schematic view of a liquid cooling channel according to the present invention.
Fig. 4 is a schematic structural diagram of the adapter plate of the present invention.
In the figure: the device comprises a test component 1, a test box 2, an adapter plate 3, a test box 4, an antenna to be tested, a temperature sensor 5, a fluid pipeline 6, a temperature tester 7, an antenna test bench 8, a liquid cooling source 9, a fluid input connector 102, a fluid output connector 103, a high-low frequency cable adapter 104 and a temperature cable adapter 105.
Detailed Description
The following non-limiting examples serve to illustrate the invention.
Example 1:
referring to fig. 1 to 4, an airborne antenna temperature-humidity-altitude environment testing apparatus includes a testing component 1, an adapter plate 2, a testing box 3, a tested antenna 4, a temperature sensor 5, a fluid pipeline 6, a temperature tester 7, an antenna testing platform 8 and a liquid cooling source 9.
The test assembly 1 is provided with a test groove with an upper opening and a rectangular cross section, the test assembly 1 is provided with a mounting structure positioned at the opening of the test groove, the mounting structure is detachably connected with the tested antenna 4 through a screw, and the tested antenna 4 can be flexibly disassembled and assembled on the test assembly 1 according to the test requirement.
The mounting structure is the conformal plane or curved surface with the medial surface of the antenna 4 under test, and the medial surface of the antenna 4 under test is attached to the mounting structure through the conformal structure, so that the antenna 4 under test is ensured to be sealed and covered on the test tank, and the inside and outside separation is realized. The main components of the antenna 4 to be tested are located in the test chamber, and the ambient temperature of the antenna 4 to be tested can be controlled through the test assembly 1.
Be equipped with the liquid cooling runner in the test assembly 1, the liquid cooling runner communicates with outside liquid cooling source 9, through the heat transfer of liquid cooling circulation, cools down test assembly 1 is inside to adjust the internal temperature of test bath to experimental state. The test component 1 is positioned in the test box 3, the test box 3 has a heating function, and the temperature in the box can be adjusted to a test state, so that the partitioned control of the temperature inside and outside the antenna 4 to be tested is realized.
The side wall of the test assembly 1 is provided with a fluid input connector 102 and a fluid output connector 103, the fluid input connector 102 is communicated with one end of the liquid cooling flow channel, and the fluid output connector 103 is communicated with the other end of the liquid cooling flow channel. The liquid cooling flow channel is communicated with the fluid pipeline 6 through the fluid input connector 102 and the fluid output connector 103, so that the liquid cooling flow channel is communicated with the liquid cooling source 9 in a circulating mode, circulating flow of cold liquid is achieved, and the temperature inside the test assembly 1 is guaranteed. The liquid cooling runner is arranged in a snake shape, so that the heat transfer is uniform.
Be equipped with temperature sensor 5 in the experimental groove, temperature sensor passes through the temperature cable and is connected with outside temperature tester 7, measures the air temperature in the experimental subassembly 1. The antenna 4 to be tested is connected with an external antenna test bench 8 through a test cable, and the electrical performance of the antenna 4 to be tested is tested.
The side wall of the test assembly 1 is provided with a temperature cable adapter 105 for switching a temperature cable and a high-low frequency cable adapter 104 for switching a test cable. Be equipped with keysets 2 of switching cable and pipeline on proof box 3's the lateral wall, install various adapters on the keysets 2, carry out the switching to temperature cable, test cable, fluid pipeline, satisfy proof box 3's airtight requirement.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An airborne antenna temperature-humidity-altitude environment test device comprises a test box (3) and is characterized in that: the test box (3) in be equipped with test assembly (1), be equipped with the test tank on test assembly (1), test assembly (1) can be dismantled with antenna (4) to be surveyed and be connected, antenna (4) to be surveyed sealed cap establishes on the test tank, is equipped with the liquid cooling runner in test assembly (1), the liquid cooling runner communicates with outside liquid cooling source (9).
2. The airborne antenna temperature-humidity-altitude environment testing device according to claim 1, characterized in that: the antenna testing device is characterized in that a testing groove with an upper opening is formed in the testing component (1), a mounting structure located at the opening of the testing groove is arranged on the testing component (1), and the mounting structure is detachably connected with the tested antenna (4).
3. The airborne antenna temperature-humidity-altitude environment testing device according to claim 2, characterized in that: the mounting structure is a plane or a curved surface which is conformal with the inner side surface of the antenna (4) to be tested.
4. The airborne antenna temperature-humidity-altitude environment testing device according to claim 1, characterized in that: the testing component (1) is provided with a fluid input connector (102) and a fluid output connector (103), the fluid input connector (102) is communicated with one end of the liquid cooling flow channel, and the fluid output connector (103) is communicated with the other end of the liquid cooling flow channel.
5. The airborne antenna temperature-humidity-altitude environment test device according to claim 1 or 4, characterized in that: the liquid cooling flow channel is arranged in a snake shape.
6. The airborne antenna temperature-humidity-altitude environment testing device according to claim 1, characterized in that: and the side wall of the test box (3) is provided with an adapter plate (2) for adapting cables and pipelines.
7. The airborne antenna temperature-humidity-altitude environment testing device according to claim 1, characterized in that: the test tank is internally provided with a temperature sensor (5), and the temperature sensor is connected with an external temperature tester (7) through a temperature cable.
8. The airborne antenna temperature-humidity-altitude environment testing device according to claim 7, characterized in that: the test assembly (1) is provided with a temperature cable adapter (105) for switching the temperature cable.
9. The airborne antenna temperature-humidity-altitude environment testing device according to claim 1, characterized in that: the tested antenna (4) is connected with an external antenna test bench (8) through a test cable.
10. The airborne antenna temperature-humidity-altitude environment testing device according to claim 9, characterized in that: the testing assembly (1) is provided with a high-low frequency cable adapter (104) for switching the testing cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252152.5A CN114646586A (en) | 2022-03-15 | 2022-03-15 | Airborne antenna temperature-humidity-altitude environment test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252152.5A CN114646586A (en) | 2022-03-15 | 2022-03-15 | Airborne antenna temperature-humidity-altitude environment test device |
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| Publication Number | Publication Date |
|---|---|
| CN114646586A true CN114646586A (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210252152.5A Pending CN114646586A (en) | 2022-03-15 | 2022-03-15 | Airborne antenna temperature-humidity-altitude environment test device |
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| CN (1) | CN114646586A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003149282A (en) * | 2001-11-08 | 2003-05-21 | Orion Mach Co Ltd | Environment tester |
| JP2003294799A (en) * | 2002-04-05 | 2003-10-15 | Orion Mach Co Ltd | Environment testing device |
| JP2015064223A (en) * | 2013-09-24 | 2015-04-09 | エスペック株式会社 | Environment test device |
| JP2016109682A (en) * | 2014-12-03 | 2016-06-20 | ナガノサイエンス株式会社 | Environmental test device |
| JP2017003478A (en) * | 2015-06-12 | 2017-01-05 | 株式会社クボタ | Environment testing device |
| CN111413563A (en) * | 2020-03-31 | 2020-07-14 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Method for determining environmental adaptability test conditions of helicopter airborne electronic equipment |
| JP2020134277A (en) * | 2019-02-18 | 2020-08-31 | エスペック株式会社 | Environment test device and environment test method |
| CN112093076A (en) * | 2020-09-14 | 2020-12-18 | 北京卫星环境工程研究所 | High-altitude environment test parameter control system under large-flow ventilation environment |
-
2022
- 2022-03-15 CN CN202210252152.5A patent/CN114646586A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003149282A (en) * | 2001-11-08 | 2003-05-21 | Orion Mach Co Ltd | Environment tester |
| JP2003294799A (en) * | 2002-04-05 | 2003-10-15 | Orion Mach Co Ltd | Environment testing device |
| JP2015064223A (en) * | 2013-09-24 | 2015-04-09 | エスペック株式会社 | Environment test device |
| JP2016109682A (en) * | 2014-12-03 | 2016-06-20 | ナガノサイエンス株式会社 | Environmental test device |
| JP2017003478A (en) * | 2015-06-12 | 2017-01-05 | 株式会社クボタ | Environment testing device |
| JP2020134277A (en) * | 2019-02-18 | 2020-08-31 | エスペック株式会社 | Environment test device and environment test method |
| CN111413563A (en) * | 2020-03-31 | 2020-07-14 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Method for determining environmental adaptability test conditions of helicopter airborne electronic equipment |
| CN112093076A (en) * | 2020-09-14 | 2020-12-18 | 北京卫星环境工程研究所 | High-altitude environment test parameter control system under large-flow ventilation environment |
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