CN214566239U

CN214566239U - Display module tester

Info

Publication number: CN214566239U
Application number: CN202120570674.0U
Authority: CN
Inventors: 龚超然; 邵捷; 文青春; 胡彦泽; 王鹏
Original assignee: Beijing Andawell Ltd
Current assignee: Beijing Andawell Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-02
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a observe and control technical field, disclose a display module tester, including display module tester box and display module, display module tester box includes tester panel and a plurality of tester link module, and a plurality of tester link module includes main connector module, discrete output module, discrete switch module, communication maintenance module, image generation circuit module, ARINC 429 communication board card module and power module. The utility model discloses draw forth display module's test point, designed display module required test and communication interface to control corresponding test point through the switch, adjust control to the display image through the potentiometer, the utility model discloses can realize the complete test to display module, accord with the seaworthiness requirement. Meanwhile, the test safety is ensured through the error-proof design.

Description

Display module tester

Technical Field

The utility model relates to a observe and control technical field, specifically relate to a display module tester.

Background

The display component is the main component of the boeing 787 aircraft main flight display system, and each aircraft is provided with 6 aircraft for displaying main flight information, navigation information, engine information, consultation information and the like. The test of the display assembly needs a special test bench, and in the prior art, no special equipment for testing the display assembly exists at present, so that a display assembly tester for testing the display assembly on the main flight display system of the airplane needs to be designed urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a display module tester to solve prior art's above-mentioned problem.

The utility model provides a display assembly tester, which comprises a display assembly tester box body and a display assembly connected with the display assembly tester box body, wherein the display assembly tester box body comprises a tester panel and a plurality of tester connecting modules, the tester connecting modules comprise a main connector module, a discrete output module, a discrete switch module, a communication maintenance module, an image generation circuit module, an ARINC 429 communication board card module and a power supply module, the main connector module comprises a main connector (1), the ARINC 429 communication board card module comprises an ARINC 429 data interface (2), the discrete output module comprises a plurality of discrete output interfaces (3), the discrete switch module comprises a plurality of discrete switches (4), the communication maintenance module comprises a communication maintenance interface (5), the power supply module comprises a power supply interface (6), the image generation circuit module comprises an image adjusting knob (7) and an image generation circuit.

Furthermore, the ARINC 429 data interface (2), the discrete output interfaces (3), the discrete switches (4), the communication maintenance interface (5), the power interface (6) and the image adjusting knob (7) are respectively positioned on a panel of the tester.

Furthermore, the display component comprises a plurality of test pins and a plurality of discrete pins, the test pins are respectively and correspondingly connected with the main connector (1), and the discrete pins are respectively connected with the discrete output interfaces (3).

Further, the power module can realize overcurrent protection.

Further, the ARINC 429 data interface (2) is provided with a shielding ground.

Further, the image generation circuit includes an adjustable potentiometer.

The utility model has the advantages that: the utility model discloses draw forth display module's test point, designed display module required test and communication interface to control corresponding test point through the switch, adjust control to showing the image through the potentiometer. Through the online test verification with display module, the utility model discloses can realize according with the airworthiness requirement to display module's complete test. Simultaneously the utility model discloses an error-proofing design has guaranteed the test security.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a display module tester provided in this embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only. It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present invention and the above-described drawings are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

An embodiment, the utility model provides a display module tester, including display module tester box and with the display module that display module tester box is connected, display module tester box includes tester panel and a plurality of tester link module, a plurality of tester link module includes main connector module, discrete output module, discrete switch module, communication maintenance module, image generation circuit module, ARINC 429 communication board card module and power module. The power module can realize overcurrent protection. As shown in fig. 1, the main connector module includes main connector 1, and ARINC 429 communication board card module includes ARINC 429 data interface 2, and discrete output module has a plurality of discrete output interface 3, includes a plurality of discrete output pin in the discrete output interface circuit, the utility model discloses still provide the required power of circuit through a plurality of step-down module. The discrete switch module comprises a plurality of discrete switches 4, the communication maintenance module comprises a communication maintenance interface 5, the power supply module comprises a power supply interface 6, and the image generation circuit module comprises an image adjusting knob 7 and an image generation circuit.

The ARINC 429 data interface 2, the discrete output interfaces 3, the discrete switches 4, the communication maintenance interface 5, the power interface 6 and the image adjusting knob 7 are respectively positioned on the panel of the tester.

The display component comprises a plurality of test pins and a plurality of discrete pins, the test pins are respectively connected with the main connector 1 correspondingly, and the discrete pins are respectively connected with the discrete output interfaces 3. The utility model discloses draw forth all test pins of display module, the design has dedicated test hole, prevents the connection error. In addition, to the discrete pin of display module, the utility model discloses a thereby undulant different discrete switch is connected with the discrete point of difference, and easy operation is directly perceived, through ingenious connection design, can prevent to test the operation mistake.

In this embodiment, main connector 1 is connected through the locating pin and the connector of display module, can provide good environment for the test of display module, can guarantee the stability and the security of signal and power supply, reduces the harm to maintenance engineer and parts.

ARINC 429 data interface 2 is provided with a shielded ground. ARINC 429 communication board card module still is equipped with a plurality of signal control switch, the utility model discloses an ARINC 429 data interface can realize the data communication of display module and peripheral hardware, and the design has shielding ground connection on the ARINC 429 data interface, can the external interference of filtering. The signal control is carried out through the related signal control switch, so that the signal receiving and sending are realized, and the operation is convenient and the error is prevented.

In the embodiment, the image generating circuit required by the display component in the testing process is designed, and the image generating circuit can provide necessary image signals for the testing, so that necessary conditions are provided for the testing of the display component. The invention is designed with a main connector, an ARINC 429 data interface, a discrete interface and an image generation circuit. The control of the discrete test point is connected with the required discrete point through the fluctuation switch. The image generation circuit is provided with an adjustable potentiometer required for testing. The power module can realize overcurrent protection. The data interface is designed with a special connector and is shielded and grounded, so that interference can be filtered.

Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:

the utility model discloses draw forth display module's test point, designed display module required test and communication interface to control corresponding test point through the switch, adjust control to showing the image through the potentiometer. Through the online test verification with display module, the utility model discloses can realize according with the airworthiness requirement to display module's complete test. Meanwhile, the test safety is ensured through the error-proof design.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.

Claims

1. A display assembly tester, characterized in that, includes a display assembly tester box body and a display assembly connected with the display assembly tester box body, the display assembly tester box body includes a tester panel and a plurality of tester connection modules, the plurality of tester connection modules include a main connector module, a discrete output module, a discrete switch module, a communication maintenance module, an image generation circuit module, an ARINC 429 communication board card module and a power supply module, the main connector module includes a main connector (1), the ARINC 429 communication board card module includes an ARINC 429 data interface (2), the discrete output module includes a plurality of discrete output interfaces (3), the discrete switch module includes a plurality of discrete switches (4), the communication maintenance module includes a communication maintenance interface (5), the power supply module includes a power supply interface (6), the image generation circuit module comprises an image adjusting knob (7) and an image generation circuit.

2. The display assembly tester of claim 1, wherein the ARINC 429 data interface (2), the discrete output interfaces (3), the discrete switches (4), the communication maintenance interface (5), the power interface (6) and the image adjustment knob (7) are located on the tester panel, respectively.

3. The display assembly tester according to claim 1 or 2, wherein the display assembly comprises a plurality of test pins and a plurality of discrete pins, the plurality of test pins are respectively connected with the main connector (1), and the plurality of discrete pins are respectively connected with the plurality of discrete output interfaces (3).

4. The display assembly tester of claim 1, wherein the power module is capable of over-current protection.

5. The display assembly tester according to claim 1, wherein the ARINC 429 data interface (2) is provided with a shielded ground.

6. The display assembly tester of claim 1, wherein the image generation circuit comprises an adjustable potentiometer.