CN216102849U - Test tester of audio management subassembly - Google Patents

Abstract

The utility model discloses a test tester of an audio management component, which integrates various signal resource interfaces and a management control switch required by the test of the audio management component, and utilizes a simulation ACP RMP component to send and receive 429 signals in real time; in the using process, the working state of the audio management component can be controlled only by selecting a corresponding connecting interface and a corresponding switch in a control panel of the test tester; the utility model is designed according to the relevant test programs and data of the corresponding CMM manual and the audio management component of the superior component, so that the test tester can completely test various performance parameters of the audio management component, troubleshoot the relevant fault hidden danger of the audio management component and ensure the normal communication of the airplane.

Description

Test tester of audio management subassembly

Technical Field

The utility model relates to the field of equipment detection, in particular to a test tester for an audio management component.

Background

The audio management component of a civil aircraft is called AMU in the air passenger series, called REU in the boeing series aircraft, is the transmission center of the aircraft voice communication system, and distributes, manages and controls the audio signals of the whole aircraft. The audio management module is connected to various important communication and navigation systems such as high frequency, very high frequency, satellite communication, instrument landing, flight management computer, voice recording, etc., so that it is necessary to ensure the normal operation of the part AMU during the flight of the aircraft. In order to ensure the normal operation of the audio management component, a test tester of the audio management component needs to have a working environment in which the audio management component normally operates, and the existing test tester of the audio management component has the technical problems of 429 and 485 signal transmission and reception, analog ACP RMP component transmission and reception signals, pulse control, switching of various discrete quantities and the like. By checking on the website of the national intellectual property office, related testing equipment in China is few at present.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a test tester for audio management components, thereby solving the aforementioned problems in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a test tester of an audio management component comprises a discrete control component, a 429 signal transmission component, an ACP RMP simulation component, a device connector and a test component; the discrete control component comprises a discrete signal interface and a discrete signal switch, and the discrete signal interface is sequentially connected with the discrete signal switch and the equipment connector; the 429 signal transmission component comprises a 429 signal interface and a 429 signal switch, and the 429 signal interface is sequentially connected with the 429 signal switch and the ACP RMP analog component; the ACP RMP simulation component is connected with the equipment connector; the equipment connector is connected with the audio control assembly through a cable; the test component is correspondingly connected with the equipment connector.

Preferably, the ACP RMP simulation device further comprises a 485 signal transmission assembly, a 485 signal interface is arranged in the 485 signal transmission assembly, and the ACP RMP simulation assembly is connected with an industrial personal computer through the 485 signal interface.

Preferably, the test tester is connected to the audio management assembly through the device connector and the alignment pin.

Preferably, the device connector is a dedicated connector of the audio management component; the connecting holes in the device connector and the pins in the audio management assembly are connected in a one-to-one mode through connecting cables.

Preferably, the test component is provided with a test hole, the test hole is correspondingly connected with the connecting hole in the device connector, and the corresponding pin signal in the audio management component is tested by connecting the circuit test device into the test hole.

Preferably, the discrete signal interface is correspondingly connected with the connection hole in the device connector, and the discrete signal is connected to each path of pins in the corresponding audio management component through the discrete signal interface.

Preferably, the discrete signal switch controls selection of the discrete signal accessed in the audio management component to realize switching of the working state of the audio management component.

Preferably, the 429 signal switch controls 429 signal access to the communication relationship between the 429 signal interface and the ACP RMP analog component, so as to switch the operating state of the audio management component.

The utility model has the beneficial effects that: the utility model discloses a test tester of an audio management component, which integrates various signal resource interfaces and a management control switch required by the test of the audio management component, and utilizes a simulation ACP RMP component to send and receive 429 signals in real time; in the using process, the working state of the audio management component can be controlled only by selecting a corresponding connecting interface and a corresponding switch in a control panel of the test tester; the utility model is designed according to the relevant test programs and data of the corresponding CMM manual and the audio management component of the superior component, so that the test tester can completely test various performance parameters of the audio management component, troubleshoot the relevant fault hidden danger of the audio management component and ensure the normal communication of the airplane. The audio management component is connected with the professional connector matched with the part through the positioning pin, so that a good environment is provided for testing the audio management component, the stability and the safety of signals and power consumption can be ensured, and the damage to a maintenance engineer and the audio management component is reduced.

Drawings

FIG. 1 is a block diagram of a test tester of an audio management component;

FIG. 2 is a test tester front panel of the audio management component;

FIG. 3 is a test tester back panel of the audio management component;

FIG. 4 is a connector pin definition diagram of an audio management component

FIG. 5 is a diagram of the connector pins, control switches and signal interface internal pins of the audio management component;

FIG. 6 is a pin connection diagram of a signal interface and control switch;

fig. 7 is a schematic diagram of the internal pin connections of the test tester of the audio management component.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, 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 utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

A test tester for an audio management component, as shown in fig. 1, includes a discrete control component, a 429 signal transmission component, a 485 signal transmission component, an ACP RMP simulation component, a test component, and a device connector; and the connecting holes in the equipment connector are connected with the pins in the audio management assembly in a one-to-one mode through connecting cables. The discrete control assembly is connected with the equipment connector and comprises a discrete signal interface and a discrete signal switch, the discrete signal interface is correspondingly connected with each connecting hole in the equipment connector through the discrete signal switch, and the connection state between the discrete signal interface and the equipment connector is controlled through the discrete signal switch; the discrete signal is connected into the test tester, and is connected into each path of pins in the corresponding audio management component through the discrete signal interface, and the discrete signal switch controls the selection of the discrete signal connected into the audio management component, so that the switching of the working state of the audio management component is realized. The 429 signal transmission component is connected with the ACP RMP analog component, the ACP RMP analog component is connected with the device connector, the 429 signal transmission component comprises a 429 signal interface and a 429 signal switch, the 429 signal interface is connected with the ACP RMP analog component through the 429 signal switch, the 429 signal is controlled to be accessed into the test tester through the 429 signal interface by the 429 signal switch, and the 429 signal interface is controlled to be communicated with the ACP RMP analog component through the 429 signal switch; inputting a 429 signal into the ACP RMP analog component, simulating the 429 signal through the ACP RMP analog component, transmitting the ACP RMP signal through the equipment connector, transmitting the ACP RMP signal to a pin corresponding to the audio management component, and outputting an audio signal processed by the audio management component in real time through a 429 signal interface. The test component comprises test holes which are correspondingly connected with the connecting holes in the equipment connector, circuit test equipment is used for accessing the test holes, and the corresponding pin signals in the audio management component are tested through the circuit test equipment; the 485 signal transmission assembly comprises a 485 signal connector, the 485 signal transmission assembly is connected with the ACP RMP simulation assembly, and the ACP RMP simulation assembly is connected with an industrial personal computer through the 485 signal interface.

The device connector in the test tester of the audio management component is a special connector of the audio management component, and the test tester and the audio management component are connected through the device connector and the positioning pin.

The working principle of the test tester of the audio management component is that an input signal required by work is provided for the audio management component through the test tester, and a test hole in the test tester is utilized to test a working signal of each working state of the audio management component, so that the test of each working state of the audio management component is realized; the method specifically comprises the following steps: discrete signals are controlled to be transmitted to corresponding pins in the audio management component through the discrete control component, high and low discrete quantities accessed to the audio management component are controlled through the discrete signal switch, and the selective switching of the connection of each path of discrete signals and the audio management component is controlled, so that the sectional processing and real-time response of the test are realized in each working state of the audio management component; the 429 signal is controlled to be transmitted to the ACP RMP simulation component through a 429 signal transmission component, the 429 signal is simulated, the ACP RMP signal is output to the audio management component, and therefore the normal operation of the audio management component is met, and the 429 signal transmission component can also output a signal processed by the audio management component through the 429 signal interface, so that an audio processing signal of the audio management component is tested; connecting the pins in the audio management assembly with test holes, and connecting circuit test equipment into the test holes to test circuit information in the audio management assembly; the test tester controls and inputs the working signal of the audio management component through the discrete signal switch and the 429 signal switch, thereby controlling the working state of the audio management component and meeting the requirement that the audio management component realizes the complete test of various performances.

Examples

In this embodiment, the working panel of the test tester is shown in fig. 2 and fig. 3, and the front panel is shown in fig. 2, and is connected to an external signal sending component through a signal INPUT end, so as to access various signals into the test tester and transmit signals required for working to the audio management component, where the signals include a 429 signal receiving CHANNEL INPUT end RX CHANNEL INPUT end, 429 signal long rod microphone INPUT end BOOM MIKE INPUT end, 429 signal HAND microphone INPUT end HAND MIKE INPUT end, 429 signal shielding microphone INPUT end MASK MIKE INPUT end, 429 signal warning CHANNEL INPUT end WNG CHANNEL INTPUT, 429 signal microphone INPUT end, 429 signal cockpit voice recorder INPUT end CVR INPUT end, 429 signal selecting INPUT selcal INPUT end and 429 signal CHANNEL INPUT end ARINC 429 nnchane; and the control switch is used for controlling the on-off and selective connection between each signal and the audio control component to realize the simulation of various working states of the audio control component, thereby meeting the complete test of various performances of the audio control component, including a hand microphone pressing a CALL conduction switch HAND MIKE PTT, a MASK discrete switch C.MASK, a WHELL conduction switch WHELL, a CALL discrete switch CALL, a pressing CALL discrete switch PTT, a component 429 signal audio OUTPUT control and interruption OUTPUT, a component 429 signal audio OUTPUT control and interruption INPUT, a discrete INPUT switch DISCREAD INPUT, a distance measuring machine and instrument landing system discrete INPUT switch DME/ILS, an 8 omega LOAD INPUT switch LOAD 80HM, a radio management panel and audio control POWER switch RMP OR POWER, a return discrete switch BACK UP, an OPA28V operation execution switch, an OPB 28V operation execution switch, a voice-frequency control component, a voice-frequency control component and a voice-frequency control component, AMP 28V operation execution switch and PULSE discrete switch PULSE; connecting circuit TEST equipment to the TEST tester through TEST holes, and respectively and correspondingly connecting the circuit TEST equipment to each path of PINs of the audio control assembly to TEST each circuit signal, wherein the circuit TEST equipment comprises TEST POINTs, TEST PINs and GND (ground) of the TEST holes; outputting the audio signal of the audio control component through the OUTPUT end of a signal interface, testing the control processing of the audio signal of the audio control component, wherein the control processing comprises a 429 signal microphone OUTPUT end MIKE OUTPUT, a 429 signal cockpit voice recorder OUTPUT end CVR OUTPUT, a 429 signal hearing OUTPUT end EAR OUTPUT, a 429 channel signal OUTPUT end ARINC 429CHANNE and a 429 signal printing quantity OUTPUT end LOUD OUTPUT; the special connector of the audio control assembly is correspondingly connected with the audio control assembly, pins in the audio control assembly are correspondingly LED into the test tester to provide a test path of the test tester, and the special connector also comprises a28V power switch, a power output indicator light LED, a power switch fuse and a jack for controlling and measuring power current, and is used for controlling an input power supply of the test tester. The rear panel is shown in fig. 3, and comprises an input connector POWER of an external POWER supply, which is directly connected with the external POWER supply through a connecting cable; still include 485 signal connector RS485, carry out the direct connection with the industrial computer to show and control through the industrial computer signal intercommunication among the test tester.

The schematic circuit diagrams of the audio control module tester are shown in fig. 4-7, and the signal interface, the power interface, the test hole and the control switch in the panel of the tester shown in fig. 2 and 3 are connected according to the circuit elements in the schematic circuit diagrams shown in fig. 4-7, so as to form the audio management module tester.

By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:

the utility model discloses a test tester of an audio management component, which integrates various signal resource interfaces and a management control switch required by the test of the audio management component, and utilizes a simulation ACP RMP component to send and receive 429 signals in real time; in the using process, the working state of the audio management component can be controlled only by selecting a corresponding connecting interface and a corresponding switch in a control panel of the test tester; the utility model is designed according to the relevant test programs and data of the corresponding CMM manual and the audio management component of the superior component, so that the test tester can completely test various performance parameters of the audio management component, troubleshoot the relevant fault hidden danger of the audio management component and ensure the normal communication of the airplane. The audio management component is connected with the professional connector matched with the part through the positioning pin, so that a good environment is provided for testing the audio management component, the stability and the safety of signals and power consumption can be ensured, and the damage to a maintenance engineer and the audio management component is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.

Claims (8)

1. The test tester of the audio management component is characterized by comprising a discrete control component, a 429 signal transmission component, an ACP RMP simulation component, a device connector and a test component; the discrete control component comprises a discrete signal interface and a discrete signal switch, and the discrete signal interface is sequentially connected with the discrete signal switch and the equipment connector; the 429 signal transmission component comprises a 429 signal interface and a 429 signal switch, and the 429 signal interface is sequentially connected with the 429 signal switch and the ACP RMP analog component; the ACP RMP simulation component is connected with the equipment connector; the equipment connector is connected with the audio control assembly through a cable; the test component is correspondingly connected with the equipment connector.

2. The test tester of the audio management component as claimed in claim 1, further comprising a 485 signal transmission component, wherein a 485 signal interface is arranged in the 485 signal transmission component, and the ACP RMP simulation component is connected with an industrial personal computer through the 485 signal interface.

3. The audio management assembly test tester of claim 1, wherein the test tester interfaces with the audio management assembly through the device connector and alignment pins.

4. The audio management component test tester of claim 1, wherein the device connector is a dedicated connector of the audio management component; the connecting holes in the device connector and the pins in the audio management assembly are connected in a one-to-one mode through connecting cables.

5. The audio management assembly test tester as claimed in claim 4, wherein the test assembly has a test hole therein, the test hole is correspondingly connected to the connection hole in the device connector, and a circuit test device is connected to the test hole to test the pin signal in the corresponding audio management assembly.

6. The audio management component test tester according to claim 4, wherein the discrete signal interface is correspondingly connected to the connection hole in the device connector, and a discrete signal is connected to each pin in the corresponding audio management component through the discrete signal interface.

7. The audio management component test tester according to claim 4, wherein the discrete signal switch controls the selection of the discrete signal accessed in the audio management component to switch the operating state of the audio management component.

8. The test tester for the audio management component according to claim 1, wherein the 429 signal switch is used for switching the working state of the audio management component by controlling 429 signal to access the communication relationship between the 429 signal interface and the ACP RMP simulation component.

Images