CN109709355B - Airborne 1394 daughter card test equipment - Google Patents
Airborne 1394 daughter card test equipment Download PDFInfo
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- CN109709355B CN109709355B CN201811540568.7A CN201811540568A CN109709355B CN 109709355 B CN109709355 B CN 109709355B CN 201811540568 A CN201811540568 A CN 201811540568A CN 109709355 B CN109709355 B CN 109709355B
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Abstract
The invention belongs to the field of electronic equipment chassis, and relates to airborne 1394 daughter card test equipment. The test box comprises a test box body, a front panel and a test carrier plate; the front panel is connected with the test box body in a sliding way, the test box body consists of a left side plate, a right side plate, a back plate and a bottom plate, the left side plate, the right side plate, the bottom plate and the back plate are connected through screws, the bottom plate is provided with an installation boss, and the installation boss is also provided with a test support plate for fixing a daughter card to be tested; mounting interfaces are reserved on the left side plate and the right side plate, so that the mounting of a power connector and a processor connector of the test carrier plate is realized; the left and right side plates and the bottom plate of the front panel mounting position are both provided with T-shaped grooves, so that the front panel can slide in the front and back of the box body. The device provided by the invention can realize the installation, test and test work of a plurality of daughter cards in a series by the same test device, is easy to use, has high universality and good economic benefit.
Description
Technical Field
The invention belongs to the field of electronic equipment chassis, and relates to airborne 1394 daughter card test equipment.
Background
As aircraft become more powerful, data transmission rate requirements for onboard electronics become higher and higher, and therefore, the various devices of the entire aircraft are often implemented with 1394 daughter cards of the same family. Aiming at the specific installation and connection requirements of different devices, 1394 daughter card manufacturers need to provide 1394 daughter cards of the same series and different specifications, so that higher requirements are provided for the universality of daughter card test devices.
Due to the particularity of the use environment of the airborne 1394 daughter card and the requirement on the data transmission rate, the structure form of the airborne 1394 daughter card generally adopts the form of a daughter card pigtail cable and an aviation connector. As shown in figure 1, the daughter cards are composed of a printed board (11), a reinforcing frame (14) and a connector (13) with a braided cable (12), the series of daughter cards have the same shape and installation interface, the length of the braided cable is customized according to the requirement of a customer, and the connector is a square disc type circular connector with different sizes.
Compared with 1394 devices used on the ground, airborne products need to be used in a harsher environment, which puts higher requirements on testing equipment of the products. The test of the product can be completed in a specified vibration environment to meet the requirement of stable installation of the product; the heat dissipation requirements of the product and the test equipment are met, and the normal work of the product and the test equipment in high and low temperature environments is ensured; the universality of the series daughter cards is met, the quick assembly and disassembly is realized, and the adaptability to different pigtail cables and aviation connectors is realized. These are requirements that cannot be met by test equipment for terrestrial products.
Disclosure of Invention
The purpose of the invention is as follows: the invention can realize the installation, test and experiment of the same series of airborne 1394 daughter cards with different specifications in the airborne equipment.
The technical scheme of the invention is as follows:
an airborne 1394 daughter card test device comprises a test box body, a front panel and a test carrier plate;
the test box body consists of a left side plate, a right side plate, a back plate and a bottom plate, wherein the left side plate and the right side plate are connected with the bottom plate and the back plate through screws, the bottom plate is provided with a mounting boss, and a test support plate is further designed on the mounting boss and used for fixing a daughter card to be tested; mounting interfaces are reserved on the left side plate and the right side plate, so that the mounting of a power connector and a processor connector of the test carrier plate is realized; the left and right side plates and the bottom plate of the front panel mounting position are both provided with T-shaped grooves, so that the front panel can slide in the front and back of the box body. The small bending of the cable in the series of daughter cards is ensured, and the signal quality of the daughter cards is ensured.
The test carrier plate comprises a plurality of areas for mounting the daughter cards to be tested, and each area comprises a rectangular connector to be connected with the daughter cards through an electric appliance. The method aims to improve the environmental conditions of other test equipment except the daughter card to be tested and improve the service life and reliability of the test equipment. The whole board only comprises an external power supply and processor interface, and the power supply and the processor are externally arranged in a non-severe environment outside the test equipment and used for power supply and data processing of the equipment to be tested.
The front panel is a plurality of rectangle panels that adapt to different daughter card connectors, and screw holes are reserved to its characterized in that lower part and side, realize the panel and fix with bolt in box body T type groove department, and the front panel reserves the mounting hole position according to the connector that the daughter card is different at corresponding daughter card mounted position.
Furthermore, the left side plate, the right side plate and the rear plate are provided with lightening grooves.
The bottom plate is provided with a mounting hole to realize the mounting of the test equipment and the vibration table.
In order to enable the test equipment to achieve better rigidity, the layout of the mounting holes is optimized according to simulation, and the amplification of the vibration on the daughter card to be tested is reduced.
The invention has the advantages and effects that:
the daughter card test equipment has the advantages of simple structural form and convenience in processing and assembling. The system can realize the installation, test and test work of a plurality of daughter cards in a series by the same test equipment, is easy to use, has high universality and good economic benefit.
Drawings
FIG. 1 is a schematic diagram of a conventional on-board 1394 daughter card configuration;
FIG. 2 is a schematic diagram of the test apparatus;
FIG. 3 is a schematic view of a test cassette;
description of numbering: the test device comprises a daughter card to be tested 1, a test carrier plate 2, a test box body 3, a front panel 4, a printed board 11, a braided cable 12, a connector 13 and a reinforcing frame 14; 21 power connectors, 22 processor connectors, 23T-shaped grooves, 31 bottom plates, 32 left and right side plates and 33 rear plates.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
firstly, the installation of the test carrier plate and the box body is completed. A test carrier plate (2) matched with a daughter card (1) to be tested is installed on a bottom boss of a box body (3) through screws, and a power connector (21) and a processor connector (22) are fixed on the side face of the box body.
And completing the installation of the daughter card to be tested and the test carrier plate. And the rectangular connector at the bottom of the daughter card to be tested and the connector in the daughter card installation area of the test carrier plate are oppositely inserted and installed, and screws are used for penetrating through the printed board of the daughter card to be tested, the reinforcing frame and the test carrier plate to be fastened at the bottom of the box body.
And finishing the installation of the daughter card to be tested and the front panel. And selecting the front panel (4) corresponding to the type of the daughter card connector to ensure that the daughter card connector (13) is firmly connected with the front panel. (typically screw or flange screw fastening)
And finishing the installation of the front panel and the box body. According to the cable length of the daughter card to be tested and the bendable angle, the front panel is fixed on the box body by using the pan head screw at the T-shaped groove of the box body.
The test equipment can design different daughter card installation quantities to complete the test work of a plurality of daughter cards at one time according to different test requirements.
Claims (6)
1. An airborne 1394 daughter card test device comprises a test box body, a front panel and a test carrier plate; the method is characterized in that:
the front panel is connected with the test box body in a sliding way; the test box body consists of a left side plate, a right side plate, a back plate and a bottom plate, wherein the left side plate and the right side plate are connected with the bottom plate and the back plate through screws, the bottom plate is provided with a mounting boss, and the mounting boss is also provided with a test support plate for fixing a daughter card to be tested; mounting interfaces are reserved on the left side plate and the right side plate, so that the mounting of a power connector and a processor connector of the test carrier plate is realized; the left side plate, the right side plate and the bottom plate of the front panel mounting position are respectively provided with a T-shaped groove, so that the front panel can slide back and forth in the box body; the installation of completion front panel and box body uses the coiled head screw to be fixed in the front panel on the box body at box body T type recess according to the cable length of the daughter card that awaits measuring and the angle that can buckle.
2. The on-board 1394 daughter card testing device of claim 1, wherein: the test carrier plate comprises a plurality of areas for mounting the daughter cards to be tested, and each area comprises a rectangular connector to be connected with the daughter cards to realize electrical connection.
3. The on-board 1394 daughter card testing device of claim 1, wherein: the front panel is provided with a plurality of threaded holes connected with the daughter card connector rectangular panel.
4. The on-board 1394 daughter card testing device of claim 1, wherein: the left and right side plates and the rear plate are provided with lightening grooves.
5. The on-board 1394 daughter card testing device of claim 1, wherein: the bottom plate is provided with a mounting hole for being connected with the vibration table.
6. The on-board 1394 daughter card testing device of claim 5, wherein: the layout of the mounting holes may be optimized according to simulation.
Priority Applications (1)
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CN201811540568.7A CN109709355B (en) | 2018-12-14 | 2018-12-14 | Airborne 1394 daughter card test equipment |
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CN201811540568.7A CN109709355B (en) | 2018-12-14 | 2018-12-14 | Airborne 1394 daughter card test equipment |
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CN109709355A CN109709355A (en) | 2019-05-03 |
CN109709355B true CN109709355B (en) | 2021-09-14 |
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CN108255773A (en) * | 2017-12-07 | 2018-07-06 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of intelligence computation heterogeneous polynuclear processing method and platform |
CN207764261U (en) * | 2017-12-18 | 2018-08-24 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of portable general test equipment cabinet for the test of outfield aeronautical product |
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CN202372192U (en) * | 2011-12-14 | 2012-08-08 | 北京普源精电科技有限公司 | Case structure of measurement device |
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CN203618243U (en) * | 2013-12-14 | 2014-05-28 | 中国航空工业集团公司第六三一研究所 | Chassis reinforcing airborne electronic module |
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CN105700400A (en) * | 2016-02-02 | 2016-06-22 | 武汉精测电子技术股份有限公司 | Modularization control box for panel detection |
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CN106645812A (en) * | 2016-10-27 | 2017-05-10 | 中国航空工业集团公司洛阳电光设备研究所 | General tester for testing different types of aviation products |
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CN107727891A (en) * | 2017-08-25 | 2018-02-23 | 郑州云海信息技术有限公司 | A kind of general mainboard testboard |
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CN108258520A (en) * | 2017-12-13 | 2018-07-06 | 中航光电科技股份有限公司 | A kind of electronic equipment cabinet boosting aid-pulling device |
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