CN216388843U - Star simulator cable under thermal vacuum environment - Google Patents
Star simulator cable under thermal vacuum environment Download PDFInfo
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- CN216388843U CN216388843U CN202121737141.3U CN202121737141U CN216388843U CN 216388843 U CN216388843 U CN 216388843U CN 202121737141 U CN202121737141 U CN 202121737141U CN 216388843 U CN216388843 U CN 216388843U
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Abstract
The application belongs to the technical field of aerospace ground optical test equipment, a star simulator cable under thermal vacuum environment includes: the HDMI data line inside and outside the tank is used for transmitting video signals, the HDMI data line inside the tank is used for transferring the video signals to a dynamic star simulator inside the thermal vacuum tank from the airtight navigation socket, the HDMI data line outside the tank is used for transmitting the displayed video signals to the airtight navigation socket for transferring from a computer end, and the HDMI data line inside the tank is used for transmitting the video signals to the dynamic star simulator; the power supply in the tank is switched from the airtight air insertion position to supply power for the dynamic satellite simulator; the current required by the dynamic star simulator is transmitted to the airtight aviation plug by the power transmission line outside the tank, and the dynamic star simulator is powered by the power transmission line inside the tank; the air-tight aerial plug is used for switching video signals and current. The testing device realizes the long-distance and low-pollution testing work under the thermal vacuum environment.
Description
Technical Field
The application relates to the technical field of aerospace ground optical test equipment, in particular to a star simulator cable in a thermal vacuum environment.
Background
With the improvement of the technology and the use requirement of the domestic dynamic satellite simulator, the requirement of the satellite simulator in a hot vacuum environment test is provided at present. The vacuum environment and the high and low temperature environment of the simulator body are gradually solved in the design process, but the matched cable has the problems of pollution to the thermal vacuum tank and troublesome cleaning in the test process.
Based on the use requirement of the dynamic star simulator in a thermal vacuum environment, the main problems to be solved are as follows:
the rubber skin and the plastic interface material of a video signal cable (such as HDMI) in the satellite simulator matching cable can be partially dissolved and volatilized in a thermal vacuum environment, so that the pollution in a thermal vacuum tank is caused;
after the rubber skin of the cable is simply stripped, the shielding layer of the cable is mostly made of metal materials, and the exposed cable has the hidden trouble of short circuit at other places;
in the past, the dynamic star simulator uses a transfer video signal cable (such as HDMI) and an aviation plug to shield each group of signals in the HDMI cable independently, and the transmission distance is limited.
SUMMERY OF THE UTILITY MODEL
Based on this, the application provides a star simulator cable under thermal vacuum environment, realizes dynamic star simulator long distance, the completion test work of low pollution under thermal vacuum environment, has effectively improved the problem that meets in the dynamic simulator thermal vacuum test process in the past.
In order to solve the technical problems, the application provides an in-tank HDMI data line, an out-tank HDMI data line, an in-tank power transmission line, an out-tank power transmission line and an airtight navigation plug,
the in-tank HDMI data line is used for video signal transmission, and the video signals are transferred from the airtight air insertion position to the dynamic satellite simulator in the hot vacuum tank, so that the dynamic satellite simulator displays the transmitted video signals;
the HDMI data line outside the tank is used for video signal transmission, the displayed video signal is transmitted to the airtight aerial plug from a computer end, and then the video signal is transmitted to the dynamic star simulator through the HDMI data line inside the tank;
the in-tank power transmission line is used for supplying power and is switched from the airtight aerial plug to a dynamic star simulator in the hot vacuum tank for supplying power;
the power transmission line outside the tank is used for supplying power, transmitting the current required by the dynamic satellite simulator to the airtight aerial plug and supplying power to the dynamic satellite simulator through the power transmission line inside the tank;
the air-tight aerial plug is used for switching video signals and current.
Preferably, the cable skin wrapping the in-tank HDMI data line is a nylon wire woven mesh pipe, and the video transmission interface of the in-tank HDMI data line is a high definition HDMI video interface of the metal shell.
Preferably, the cable skin wrapping the HDMI data line outside the tank is a nylon wire woven mesh pipe, and the video transmission interface of the HDMI data line outside the tank is a high-definition HDMI video interface of a metal shell.
Preferably, the cable skin wrapping the in-tank power transmission line is a nylon wire woven mesh pipe, and the power transmission interface of the in-tank power transmission line is an aviation plug made of metal materials.
Preferably, the cable skin wrapping the power transmission line outside the tank is a nylon wire woven mesh pipe, and the power transmission interface of the power transmission line outside the tank is an aviation plug made of metal materials.
Preferably, the HDMI data line in the tank is an HDMI2.0 version high definition video line, and the HDMI data line in the tank is a twisted pair, and the twisted pair has a single shielding layer.
Preferably, the HDMI data line outside the tank is an HDMI2.0 version high-definition video line, and the HDMI data line outside the tank is a twisted pair, and the twisted pair has a single shielding layer.
Preferably, the power transmission line inside the tank or the power transmission line outside the tank is a high-temperature wire with heat-proof and waterproof characteristics.
The beneficial effect of this application:
the star simulator cable utilizes the nylon yarn woven net pipe with the characteristics of no combustion supporting, corrosion resistance and light specific gravity to protect the cable again, and the video transmission interface is replaced by the metal shell interface, so that the problem of pollution to the hot vacuum tank in the test process of the dynamic star simulator is effectively solved. And HDMI2.0 high-definition video lines are selected, and each group of signal lines are twisted-pair lines and are provided with a shielding layer which can be externally connected independently.
The dynamic star simulator has the advantages that the dynamic star simulator can finish testing work in a long-distance, high and low temperature resistant and low pollution manner under the thermal vacuum environment, and the problems generated in the thermal vacuum test process of the conventional dynamic star simulator are effectively solved.
Drawings
FIG. 1 is a schematic external view of a star simulator cable for use in a thermal vacuum environment according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a satellite simulator cable used in a thermal vacuum environment according to an embodiment of the present application.
The meaning of the reference symbols in the drawings is:
100-in-can HDMI data line; 101-out-of-tank HDMI data line; 102-in-can power transmission lines; 103-an out-of-tank power transmission line; 104-airtight air insertion.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Example 1:
a star simulator cable in a thermal vacuum environment, comprising: an in-tank HDMI data line 100, an out-tank HDMI data line 101, an in-tank power transmission line 102, an out-tank power transmission line 103, and an airtight navigation plug 104,
the in-tank HDMI data 100 line is used for video signal transmission, and the video signal is transferred from the airtight air insertion 104 to a dynamic satellite simulator in the hot vacuum tank, so that the dynamic satellite simulator displays the transmitted video signal;
the HDMI data line 101 outside the tank is used for video signal transmission, the displayed video signal is transmitted to the airtight navigation plug from a computer end, and then the video signal is transmitted to the dynamic star simulator by the HDMI data line 100 inside the tank;
the in-tank power transmission line 102 is used for supplying power and is switched from the airtight aviation plug 104 to a dynamic star simulator in a thermal vacuum tank for supplying power;
the tank external power transmission line 103 is used for supplying power, transmitting the current required by the dynamic satellite simulator to the airtight aviation plug 104, and supplying power to the dynamic satellite simulator through the tank internal power transmission line 102;
the airtight navigation plug 104 is used for switching video signals and electric current.
The cable skin wrapping the in-tank HDMI data line 100 is a nylon wire woven mesh pipe with the characteristics of no combustion supporting, corrosion resistance and light specific gravity, and a video transmission interface of the in-tank HDMI data line 100 is a high-definition HDMI video interface of a metal shell.
The cable skin wrapping the HDMI data line 101 outside the tank is a nylon yarn woven mesh pipe with the characteristics of no combustion supporting, corrosion resistance and light specific gravity, and a video transmission interface of the HDMI data line 101 outside the tank is a high-definition HDMI video interface of a metal shell.
The cable skin wrapping the in-tank power transmission line 102 is a nylon wire woven mesh tube with the characteristics of no combustion supporting, corrosion resistance and light specific gravity, and a power transmission interface of the in-tank power transmission line 102 is an aviation plug made of a metal material.
The cable skin wrapping the power transmission line 103 outside the tank is a nylon wire woven mesh pipe with the characteristics of no combustion supporting, corrosion resistance and light specific gravity, and a power transmission interface of the power transmission line 103 outside the tank is an aviation plug made of metal materials.
The in-tank HDMI data line 100 and the out-tank HDMI data line 101 both adopt HDMI2.0 high definition video lines, and the in-tank HDMI data line 100 and the out-tank HDMI data line 101 are twisted pairs, and the twisted pairs are provided with single shielding layers, so that the shielding effect and the signal transmission distance are effectively improved.
The in-tank power transmission line 102 or the out-tank power transmission line 103 adopts a high-temperature wire with heat-proof and waterproof characteristics, so that normal power supply in a thermal vacuum environment is ensured.
The in-tank HDMI data line 100 and the out-tank HDMI data line 101 in the embodiment of the application adopt metal interfaces and use nylon yarn woven net pipes as cable skins, and can effectively reduce dissolved volatile substances.
The in-tank power transmission line 102 and the out-tank power transmission line 103 in the embodiment of the application adopt aviation plugs and nylon woven mesh pipes made of metal materials as cable skins, and can effectively reduce dissolved volatile substances.
The airtight aviation plug 104 has the functions of switching video signals and currents and guaranteeing that the vacuum state in the thermal vacuum tank has no leakage, and the airtight rubber pad of the airtight aviation plug 104 can guarantee that the thermal vacuum test is carried out when P is less than or equal to 1.63 multiplied by 10-3The test is stably carried out under the test pressure of Pa and the test temperature of-40 ℃ to +60 ℃.
The air-tight aviation plug adopts a high-standard air-tight aviation plug which meets the national military standard GJB2905A-2004, has an anti-misplug design and performances of vibration resistance, salt mist resistance and electromagnetic interference resistance, and meets the requirements of a thermal vacuum test.
The cable manufacturing method comprises the following steps:
firstly, the rubber skin of a common HDMI2.0 version high-definition video wire is peeled off by a knife under the condition of ensuring that a cable shielding layer is not damaged, then the cable with the skin peeled off passes through a nylon wire woven mesh tube, one end of the HDMI2.0 version high-definition video wire is welded with a high-definition HDMI video interface of a metal shell, the nylon wire woven mesh tube at the end is tightly bound by the metal shell of the high-definition HDMI video interface, and the in-tank HDMI data wire 100 is completed.
Secondly, cutting out a corresponding number of high-temperature wires according to the actual use requirement of the dynamic star simulator, passing through the nylon wire woven mesh pipe, welding an aviation plug for power supply switching of the dynamic star simulator at one end, fastening the nylon wire woven mesh pipe by a pressing ring of the aviation plug, and completing the in-tank power supply transmission line 102.
The external HDMI data line 101 and the external HDMI power transmission line 103 are fabricated in the same manner as the internal HDMI data line 100 and the internal HDMI power transmission line 102, respectively.
Finally, after the 4 cables are manufactured, according to the use requirements inside and outside the tank, the HDMI data line 100 and the power transmission line 102 inside the tank are welded on one side inside the airtight aviation plug 104, the nylon wire woven network pipe at the welding position is tightened by a metal binding belt, and the tail clamp is screwed; an external HDMI data line 101 and an external power transmission line 103 are welded outside an airtight aviation plug 104, and one side of the airtight aviation plug is provided with a metal binding belt to tighten a nylon wire woven network pipe at the welding position and screw a tail clamp.
After the steps are completed, the manufacturing of the star simulator cable used in the thermal vacuum environment is completed, the airtight aerial plug 104 is installed at the corresponding exchange hole of the thermal vacuum tank, the HDMI data line 100 and the power transmission line 102 in the tank are connected with the head of the dynamic star simulator, the HDMI data line 101 outside the tank is connected with a computer, the power transmission line 103 outside the tank is connected with the power box of the dynamic star simulator, and then the computer is started and powered on, so that the normal work can be realized, and the expected effect of the test can be achieved.
The star simulator cable utilizes the nylon yarn woven net pipe with the characteristics of no combustion supporting, corrosion resistance and light specific gravity to protect the cable again, and the video transmission interface is replaced by the metal shell interface, so that the problem of pollution to the hot vacuum tank in the test process of the dynamic star simulator is effectively solved. And HDMI2.0 high-definition video lines are selected, and each group of signal lines are twisted-pair lines and are provided with a shielding layer which can be externally connected independently.
The utility model provides a cable dissoluble thing is few, transmission distance is far away, stability is high, on the basis of hot vacuum cable in the past, reduces soluble material, has reduced the pollution to the hot vacuum jar, the guarantee of safety and stability dynamic star simulator normal test work under the hot vacuum test environment.
Namely, the dynamic star simulator can complete the testing work in a long distance, high and low temperature resistance and low pollution manner under the thermal vacuum environment, and the problems generated in the thermal vacuum test process of the conventional dynamic star simulator are effectively solved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express preferred embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. A star simulator cable in a thermal vacuum environment, comprising: an in-tank HDMI data line, an out-tank HDMI data line, an in-tank power transmission line, an out-tank power transmission line, an airtight navigation plug,
the in-tank HDMI data line is used for video signal transmission, and the video signals are transferred from the airtight air insertion position to the dynamic satellite simulator in the hot vacuum tank, so that the dynamic satellite simulator displays the transmitted video signals;
the HDMI data line outside the tank is used for video signal transmission, the displayed video signal is transmitted to the airtight aerial plug from a computer end, and then the video signal is transmitted to the dynamic star simulator through the HDMI data line inside the tank;
the in-tank power transmission line is used for supplying power and is switched from the airtight aerial plug to a dynamic star simulator in the hot vacuum tank for supplying power;
the power transmission line outside the tank is used for supplying power, transmitting the current required by the dynamic satellite simulator to the airtight aerial plug and supplying power to the dynamic satellite simulator through the power transmission line inside the tank;
the air-tight aerial plug is used for switching video signals and current;
the cable skin wrapping the HDMI data line in the tank is a nylon wire woven network pipe, and a video transmission interface of the HDMI data line in the tank is a high-definition HDMI video interface of the metal shell;
the cable skin wrapping the HDMI data line outside the tank is a nylon wire woven network pipe, and a video transmission interface of the HDMI data line outside the tank is a high-definition HDMI video interface of a metal shell;
the cable skin wrapping the in-tank power transmission line is a nylon wire woven mesh pipe, and a power transmission interface of the in-tank power transmission line is an aviation plug made of a metal material;
the cable skin wrapping the power transmission line outside the tank is a nylon wire woven mesh pipe, and a power transmission interface of the power transmission line outside the tank is an aviation plug made of metal materials.
2. The star simulator cable under the thermal vacuum environment of claim 1, wherein the HDMI data line in the tank is an HDMI2.0 version high definition video line, and the HDMI data line in the tank is a twisted pair, and the twisted pair has a single shielding layer.
3. The star simulator cable under the thermal vacuum environment of claim 1, wherein the HDMI data line outside the tank adopts HDMI2.0 version high definition video line, and the HDMI data line outside the tank is a twisted pair, and the twisted pair has a single shielding layer.
4. The star simulator cable under the thermal vacuum environment of claim 1, wherein the in-tank power transmission line or the out-tank power transmission line is a high temperature wire with heat-proof and waterproof properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121737141.3U CN216388843U (en) | 2021-07-28 | 2021-07-28 | Star simulator cable under thermal vacuum environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121737141.3U CN216388843U (en) | 2021-07-28 | 2021-07-28 | Star simulator cable under thermal vacuum environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216388843U true CN216388843U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121737141.3U Active CN216388843U (en) | 2021-07-28 | 2021-07-28 | Star simulator cable under thermal vacuum environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216388843U (en) |
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2021
- 2021-07-28 CN CN202121737141.3U patent/CN216388843U/en active Active
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