CN115684770A - Signal transmission method for carrying out functional acceleration test by using centrifugal machine - Google Patents
Signal transmission method for carrying out functional acceleration test by using centrifugal machine Download PDFInfo
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- CN115684770A CN115684770A CN202211250031.3A CN202211250031A CN115684770A CN 115684770 A CN115684770 A CN 115684770A CN 202211250031 A CN202211250031 A CN 202211250031A CN 115684770 A CN115684770 A CN 115684770A
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Abstract
The application provides a signal transmission method for carrying out a functional acceleration test by using a centrifugal machine, and particularly discrete quantity signals are converted into discrete quantity digital information on the basis of a computer technology and transmitted, and then the discrete quantity signals are produced again; the data transmitted by GJB289A bus and optical cable are transmitted in a wireless or wired network transmission mode and then converted into the original mode for data transmission. The problem of detection when the centrifuge is used for carrying out acceleration tests on the test equipment which needs to use more than the inherent number of slip loops, the test equipment which uses GJB289A bus transmission signals and the test equipment which uses optical cable transmission signals is solved.
Description
Technical Field
The application relates to the field of acceleration tests and detection in electronic product environment tests, in particular to a signal transmission method for developing a functional acceleration test by using a centrifugal machine.
Background
Because aviation, aerospace and naval vessel electronic equipment receive the influence of high reliability requirement, the transmission of energy (electric power), signal and information data relies on tangible cable to transmit at the parent, and centrifuge has installed multichannel conductive slip ring and can make these tested products can carry out transmission energy (electric power), signal and information data between equipment when ground test carries out the function acceleration test.
However, with the development of the technology, discrete quantity signals adopted by electronic equipment for aviation, aerospace and ships are more and more, and information data is transmitted more and more by adopting the GJB289A and the optical cable, but because of the reason that the working part of the centrifuge needs to rotate at a high speed when the centrifuge is in operation, only multiple paths of conductive slip rings are installed on the centrifuge, so that on one hand, information data required to be transmitted by tested equipment for transmitting data by adopting the GJB289A and the optical cable cannot be transmitted, on the other hand, because of the limitation of the structural form, the number of the conductive slip rings is generally small, the centrifuge has more discrete quantity signal tested equipment for exceeding the inherent number of the slip rings, and because part of the signals cannot be transmitted, the equipment cannot be in the working state. Both aspects can ensure that the tested products can not carry out function and performance detection in the test process and can not ensure that the test result is scientific, real and credible.
Disclosure of Invention
In view of this, the present application provides a signal transmission method for performing a functional acceleration test by using a centrifuge, which solves the problems in the prior art and ensures the science, reality and credibility of the test result.
The signal transmission method for carrying out the functional acceleration test by using the centrifuge adopts the following technical scheme:
a signal transmission method for performing a functional acceleration test using a centrifuge, comprising:
converting the discrete quantity signal into discrete quantity digital information based on a computer technology for transmission and then reproducing the discrete quantity signal;
the GJB289A bus transmission and optical cable transmission data are transmitted in a wireless or wired network transmission mode and then converted into the original mode for data transmission.
Optionally, a first transmission device is installed on the rotating arm of the centrifuge, a second transmission device is installed at a terminal table of a control room of the centrifuge, each path of data of the tested product is transmitted with the first transmission device in a wired manner, the first transmission device is connected with the conductive slip ring for supplying power, and each path of detection data of the detection device is transmitted with the second transmission device in a wired manner;
the first transmission equipment and the second transmission equipment are in wired communication through the conductive slip ring or are in wireless communication.
Optionally, the first transmission device converts the acquired discrete quantity signal of the tested product into discrete quantity data information data, and sends the discrete quantity information data of the tested product to the second transmission device, and the second transmission device converts the discrete quantity data information into a discrete quantity signal and sends the discrete quantity signal to the detection device;
the first equipment transmits data sent by a tested product through a GJB289A bus or an optical cable to second transmission equipment through a network, and the second transmission equipment respectively restores the data transmitted by the network into GJB289A bus data and optical cable data and transmits the data to the detection equipment according to a specified format;
and the second transmission equipment transmits the data of the detection equipment through the GJB289A bus or the optical cable to the first transmission equipment through the network, and the first transmission equipment respectively restores the network data into GJB289A bus data and optical cable data and transmits the data to the tested product according to a specified format.
Optionally, first transmission equipment includes mainboard, GJB289A bus input output board, photoelectric conversion input output board, network card and at least one discrete magnitude signal acquisition card, be equipped with a plurality of slots on the mainboard, GJB289A bus input output board, photoelectric conversion input output board, network card and discrete magnitude signal acquisition card install in the slot, the product under test is through discrete magnitude signal cable connection discrete magnitude signal acquisition card, the product under test passes through GJB289A bus connection GJB289A bus input output board, the product under test passes through optical cable connection photoelectric conversion input output board, the transmission and the conversion of mainboard control discrete magnitude signal, GJB289A bus data and optical cable information data.
Optionally, the second transmission device includes a main board, a GJB289A bus input/output board, a photoelectric conversion input/output board, a network card, a power module, and at least one discrete magnitude converter board, the main board is provided with a plurality of slots, the power module, the GJB289A bus input/output board, the photoelectric conversion input/output board, the network card, and the discrete magnitude converter board are installed in the slots, the detection device is connected to the discrete magnitude converter board through a discrete magnitude signal cable, the detection device is connected to the GJB289A bus input/output board through a GJB289A bus, the detection device is connected to the photoelectric conversion input/output board through an optical cable, the main board controls the power module to produce discrete magnitude signals according to the received discrete magnitude information data and send the discrete magnitude signals to the detection device, and the main board controls transmission and conversion of the GJB289A bus data and the optical cable information data.
Optionally, the data information transmitted by the transmission mode and protocol of the GJB289A bus cable is changed into a general cable and a TCP/IP protocol for transmission, and the data information is recovered to the GJB289A bus cable for transmission after being received.
Optionally, the data information transmitted through the optical cable is converted into an electrical signal and is changed into a general cable and a TCP/IP protocol for transmission, and the data information is recovered to an optical signal after being received and is transmitted by the optical cable.
To sum up, the application comprises the following beneficial technical effects:
the method solves the detection problem of the test equipment which needs to use more than the inherent number of slip loops, uses GJB289A bus to transmit signals and uses an optical cable to transmit signals when the centrifuge is used for carrying out the acceleration test, changes the traditional idea of signal direct transmission, can effectively solve the signal transfer problem by installing special network transmission equipment with a signal conversion function near a rotating shaft on a rotating arm of the centrifuge and an external wiring table, ensures that the centrifuge normally transmits signals under the working state in the test process, realizes the normal detection work of the equipment, and has important significance and application prospect for the detection of the test equipment and the manufacture of the test equipment (the centrifuge) in the current steady-state functional acceleration test process.
The method is characterized in that discrete quantity signals are converted into discrete quantity digital information on the basis of computer technology and transmitted, then the discrete quantity signals are regenerated, and GJB289A bus transmission and optical cable transmission data are transmitted in a wireless or wired network transmission mode and then converted into the original mode for data transmission.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a block diagram of a first transmission device of the present application;
FIG. 2 is a block diagram of a second transmission device according to the present application;
fig. 3 is a cross-linked diagram of a test device in cooperation with a centrifuge.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. The application is capable of other and different embodiments and its several details are capable of modifications and various changes in detail without departing from the spirit of the application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to or other than one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the application provides a signal transmission method for developing a functional acceleration test by using a centrifugal machine.
As shown in fig. 1 to 3, a signal transmission method for performing a functional acceleration test using a centrifuge includes:
converting the discrete quantity signal into discrete quantity digital information based on a computer technology for transmission and then reproducing the discrete quantity signal;
the data transmitted by GJB289A bus and optical cable are transmitted in a wireless or wired network transmission mode and then converted into the original mode for data transmission.
The test device comprises a centrifuge rotating arm, a first transmission device, a second transmission device, a conductive slip ring, a conventional cable, a product power supply and a power supply of the first transmission device, wherein the first transmission device is arranged on the centrifuge rotating arm, the second transmission device is arranged at a wiring board between centrifuge controls, each path of data of a tested product is transmitted with the first transmission device in a wired mode, the first transmission device is connected with the conductive slip ring for power supply, the conventional cable of the tested product is also connected with the conductive slip ring, the conductive slip ring is arranged at the rotating shaft position of the centrifuge, and the wiring board is connected with the product power supply and the power supply of the first transmission device after the conductive slip ring is connected with the wiring board. Each path of detection data of the detection equipment is transmitted with second transmission equipment in a wired mode, and the detection equipment is connected with other lines such as a power supply and the like through conventional cables; the first transmission equipment and the second transmission equipment are in wired communication through the conductive slip ring or are in wireless communication.
The first transmission equipment converts the acquired discrete quantity signals of the tested product into discrete quantity data information data, and transmits the discrete quantity information data of the tested product to the second transmission equipment, and the second transmission equipment converts the discrete quantity data information into discrete quantity signals and transmits the discrete quantity signals to the detection equipment;
first transmission equipment, hardware use the computer as the owner, first transmission equipment includes mainboard, GJB289A bus input output board, photoelectric conversion input output board, network card and at least one discrete magnitude signal acquisition card, and discrete magnitude signal acquisition card sets up according to required signal quantity, be equipped with a plurality of slots on the mainboard, GJB289A bus input output board, photoelectric conversion input output board, network card and discrete magnitude signal acquisition card install in the slot, the product under test connects discrete magnitude signal acquisition card through discrete magnitude signal cable, the product under test passes through GJB289A bus connection GJB289A bus input output board, the product under test passes through optical cable connection photoelectric conversion input output board, the transmission and the conversion of mainboard control discrete magnitude signal, GJB289A bus data and optical cable information data.
The first equipment transmits data sent by the tested product through a GJB289A bus or an optical cable to second transmission equipment through a network, and the second transmission equipment respectively restores the data transmitted by the network into GJB289A bus data and optical cable data and transmits the data to the detection equipment according to a specified format.
The second transmission equipment comprises a main board, a GJB289A bus input and output board, a photoelectric conversion input and output board, a network card, a power module and at least one discrete quantity conversion board, the discrete quantity conversion board is arranged according to the required signal quantity, a plurality of slots are arranged on the main board, the power module, the GJB289A bus input and output board, the photoelectric conversion input and output board, the network card and the discrete quantity conversion board are installed in the slots, the detection equipment is connected with the discrete quantity conversion board through discrete quantity signal cables, the detection equipment is connected with the GJB289A bus input and output board through a GJB289A bus, the detection equipment is connected with the photoelectric conversion input and output board through an optical cable, the main board controls the power module to produce discrete quantity signals according to the received discrete quantity information data and send the detection equipment, and the main board controls the transmission and conversion of the GJB289A bus data and the optical cable information data.
And the second transmission equipment transmits the data of the detection equipment through the GJB289A bus or the optical cable to the first transmission equipment through the network, and the first transmission equipment respectively restores the network data into GJB289A bus data and optical cable data and transmits the data to the tested product according to a specified format.
Data information transmitted by a GJB289A bus cable transmission mode and a protocol is changed into a general cable and a TCP/IP protocol for transmission, and the data information is recovered to the GJB289A bus cable for transmission after being received.
The data information transmitted by the optical cable is converted into an electric signal and is changed into a general cable and a TCP/IP protocol for transmission, and the data information is recovered into an optical signal after being received and is transmitted by the optical cable.
The specific working process of the application is as follows:
after check out test set, product and network transmission equipment were gone up the electricity, the discrete magnitude signal that the product of being tested sent is information data through first transmission equipment conversion, then transmits for second transmission equipment, and second transmission equipment will be according to received discrete magnitude information data, and the control power module production discrete magnitude signal transmission gives check out test set, realizes the detection of discrete magnitude.
When the detection equipment needs to send information to the tested product through the GJB289A bus and the optical cable, the information is sent to second transmission equipment through the GJB289A bus and the optical cable, the second transmission equipment carries out identification and conversion, the information is transmitted to the equipment according to the first transmission protocol of the general network, and after the first transmission equipment receives the information, the information is recovered into GJB289A bus data and optical cable data respectively and transmitted to the tested product according to the specified format.
When a tested product needs to send information to a detection device through a GJB289A bus and an optical cable, the information is sent to first transmission equipment through the GJB289A bus and the optical cable, the first transmission equipment carries out identification and conversion, then the information is transmitted to the equipment according to a second general network transmission protocol, and after the information is received by the second transmission equipment, the information is recovered into GJB289A bus data and optical cable data which are transmitted to the detection device according to a specified format.
Therefore, information interaction between the tested product and the detection equipment is completed, the problem that the tested equipment is difficult to detect in the test due to the fact that signals and data cannot be transmitted in the test is solved, and the scientific, real and credible test result is guaranteed.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. A signal transmission method for performing a functional acceleration test using a centrifuge, comprising:
converting the discrete quantity signal into discrete quantity digital information based on a computer technology for transmission and then reproducing the discrete quantity signal;
the GJB289A bus transmission and optical cable transmission data are transmitted in a wireless or wired network transmission mode and then converted into the original mode for data transmission.
2. The signal transmission method for the functional acceleration test by using the centrifuge as claimed in claim 1, wherein a first transmission device is installed on the rotating arm of the centrifuge, a second transmission device is installed at the connection station of the control room of the centrifuge, each path of data of the tested product is transmitted with the first transmission device by wire, the first transmission device is connected with the conductive slip ring for supplying power, each path of detection data of the detection device is transmitted with the second transmission device by wire;
the first transmission device and the second transmission device are in wired communication through the conductive slip ring or are in wireless communication.
3. The signal transmission method for the functional acceleration test using the centrifuge as set forth in claim 2, wherein the first transmission device converts the collected discrete quantity signal of the test product into discrete quantity data information data, and transmits the discrete quantity data of the test product to the second transmission device, and the second transmission device converts the discrete quantity data information into the discrete quantity signal and transmits the discrete quantity signal to the detection device;
the first equipment transmits data sent by the tested product through a GJB289A bus or an optical cable to second transmission equipment through a network, and the second transmission equipment respectively restores the data transmitted by the network into GJB289A bus data and optical cable data and transmits the data to the detection equipment according to a specified format;
and the second transmission equipment transmits the data of the detection equipment through the GJB289A bus or the optical cable to the first transmission equipment through the network, and the first transmission equipment respectively restores the network data into GJB289A bus data and optical cable data and transmits the data to the tested product according to a specified format.
4. The signal transmission method for the functional acceleration test by using the centrifuge as claimed in claim 3, wherein the first transmission device includes a main board, a GJB289A bus input/output board, a photoelectric conversion input/output board, a network card and at least one discrete magnitude signal acquisition card, the main board has a plurality of slots, the g289 jb a bus input/output board, the photoelectric conversion input/output board, the network card and the discrete magnitude signal acquisition card are installed in the slots, the product under test is connected to the discrete magnitude signal acquisition card through a discrete magnitude signal cable, the product under test is connected to the GJB289A bus input/output board through a GJB289A bus, the product under test is connected to the photoelectric conversion input/output board through an optical cable, and the main board controls transmission and conversion of the discrete magnitude signal, the GJB289A bus data and the optical cable information data.
5. The signal transmission method for the functional acceleration test by using the centrifuge as claimed in claim 3, wherein the second transmission device includes a main board, a GJB289A bus input/output board, a photoelectric conversion input/output board, a network card, a power module and at least one discrete magnitude converter board, the main board is provided with a plurality of slots, the power module, the GJB289A bus input/output board, the photoelectric conversion input/output board, the network card and the discrete magnitude converter board are installed in the slots, the detection device is connected to the discrete magnitude converter board through a discrete magnitude signal cable, the detection device is connected to the GJB289A bus input/output board through a GJB289A bus, the detection device is connected to the photoelectric conversion input/output board through an optical cable, the main board controls the power module to generate discrete magnitude signals according to the received discrete magnitude information data and transmit the discrete magnitude signals to the detection device, and the main board controls the transmission and conversion of the GJB289A bus data and the optical cable information data.
6. The signal transmission method for the functional acceleration test by using the centrifuge as claimed in claim 3, wherein the data information transmitted by the GJB289A bus cable transmission mode and protocol is changed to the general cable and TCP/IP protocol for transmission, and the data information is received and then restored to the GJB289A bus cable for transmission.
7. The signal transmission method for performing a functional acceleration test using a centrifuge as recited in claim 3, wherein the data information transmitted through the optical cable is converted into an electrical signal and is changed to a general cable and a TCP/IP protocol for transmission, and the data information is received and then restored to an optical signal for transmission through the optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211250031.3A CN115684770A (en) | 2022-10-12 | 2022-10-12 | Signal transmission method for carrying out functional acceleration test by using centrifugal machine |
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| CN202211250031.3A CN115684770A (en) | 2022-10-12 | 2022-10-12 | Signal transmission method for carrying out functional acceleration test by using centrifugal machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116112123A (en) * | 2023-02-15 | 2023-05-12 | 中电科航空电子有限公司 | Discrete data transmission method and transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116112123A (en) * | 2023-02-15 | 2023-05-12 | 中电科航空电子有限公司 | Discrete data transmission method and transmission device |
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