CN213122155U

CN213122155U - Test equipment of airborne equipment

Info

Publication number: CN213122155U
Application number: CN202022174953.3U
Authority: CN
Inventors: 祝鑫; 柳艳琴; 蒋龙; 马云鹏
Original assignee: GUANGZHOU HANGXIN AVIATION TECHNOLOGY CO LTD
Current assignee: GUANGZHOU HANGXIN AVIATION TECHNOLOGY CO LTD
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-04
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a test equipment of airborne equipment, including the test equipment main part, the front panel of test equipment main part is provided with a plurality of sockets, the top of test equipment main part is provided with a plurality of test resource output interfaces, the test equipment front panel is provided with a plurality of connectors, the test equipment rear panel is also provided with comprehensive test adaptation interface; the testing equipment main body is connected with the comprehensive automatic testing equipment through the comprehensive testing adaptive interface, the testing resource output end interface is connected with the socket, and the testing equipment main body is connected to the airborne equipment through the connector. The utility model discloses under the condition that need not to design extra hardware circuit, can provide more test resources for airborne equipment, according to airborne equipment's actual demand, the airborne equipment is introduced to the test resource that will accord with the demand, has the characteristics that the commonality is high, scalability is strong. The utility model discloses can wide application in airborne equipment test technical field.

Description

Test equipment of airborne equipment

Technical Field

The utility model relates to an airborne equipment tests technical field, especially relates to an airborne equipment's test equipment.

Background

In the field of aerospace electronic devices and the field of development and maintenance of special weaponry, Automatic Test Equipment (IATE) has been widely used, and IATE is mainly used for functional performance testing and fault simulation of airborne Equipment of airplanes.

At present, a Test Unit Adapter (TUA) in the IATE is a key link for connecting the IATE and an airborne device, and the TUA mainly has the following functions: and conditioning and distributing the IATE testing resources to the to-be-tested component of the airborne equipment, and uploading the measured signal and data of the to-be-tested component to the IATE. At present, IATEs of various bus standards such as PXI, VXI, PCI, GPIB and the like are applied to the field of testing of airborne equipment, the design of the test interface adapter of the type lacks a unified design standard, the development period is long, the expandability is poor, and the cost is high; in addition, the types of the current machine types are more, the number of tested devices is increased continuously, and the demand of various special interface adapters is increased rapidly.

SUMMERY OF THE UTILITY MODEL

To solve at least partially one of the above technical problems, the present invention is directed to: a test apparatus for an onboard apparatus is provided.

The utility model adopts the technical proposal that:

the test equipment of the airborne equipment comprises a test equipment main body, wherein a front panel of the test equipment main body is provided with a plurality of sockets, the top of the test equipment main body is provided with a plurality of test resource output interfaces, the front panel of the test equipment is provided with a plurality of connectors, and a rear panel of the test equipment is also provided with a comprehensive test adaptation interface;

the testing equipment main body is connected with the comprehensive automatic testing equipment through the comprehensive testing adaptive interface, the testing resource output end interface is connected with the socket, and the testing equipment main body is connected to the airborne equipment through the connector.

Furthermore, the top panel of the testing equipment main body is also provided with a plurality of testing holes, and the positions of the testing holes correspond to the testing resource output interfaces.

Furthermore, the test equipment of airborne equipment still includes a plurality of patch cords, and each patch cord all disposes the contact.

Further, the comprehensive test adaptation interface adopts a VPC9025 interface.

Further, still include the power supply instrument, the power supply instrument pass through the adapter cable with the test equipment main part is connected.

Furthermore, the test equipment main body comprises a power supply module, a switch module, an adjustable resistance module, a bus module, a video module and an audio module.

The utility model has the advantages that: this application will synthesize automatic test equipment's resource through synthesizing the adaptation interface and introduce the test equipment main part in, export airborne equipment via the test equipment main part again, need not to design under the extra hardware circuit's the condition, can provide more test resources for airborne equipment, through designing a plurality of test resource output interfaces, according to airborne equipment's actual demand, be connected test resource output interface and corresponding socket stitch, thereby will accord with the test resource of demand and introduce airborne equipment, the commonality is high, the strong characteristics of scalability.

Drawings

Fig. 1 is a schematic diagram of a testing device of an onboard device according to the present invention;

fig. 2 is a schematic structural diagram of the testing device of the onboard device according to the present invention;

fig. 3 is a schematic diagram of a test resource output interface of the power module according to the present invention;

fig. 4 is a schematic diagram of a testing resource output interface of the adjustable resistance module according to the present invention;

fig. 5 is a schematic diagram of a test resource output interface of the bus module according to the present invention;

fig. 6 is a schematic view of the testing resource output interface of the video module of the present invention.

Detailed Description

Reference will now be made in detail to the present embodiments of the present application, preferred embodiments of which are illustrated in the accompanying drawings, which are for the purpose of visually supplementing the description with figures and detailed description, so as to enable a person skilled in the art to visually and visually understand each and every feature and technical solution of the present application, but not to limit the scope of the present application.

In the present application, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical aspects of the present application, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the present application, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present application, the descriptions of "first" and "second" are only used for distinguishing technical features, but are not understood to indicate or imply relative importance or implicitly indicate the number of the indicated technical features or implicitly indicate the precedence of the indicated technical features.

In this application, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, e.g., directly connected or indirectly connected through intervening media; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in this application can be reasonably determined by those skilled in the art in combination with the details of the technical solution.

The invention will be further explained and explained with reference to the drawings and the embodiments in the following description.

In order to at least partially solve one of the above problems, referring to fig. 1 and 2, the present invention provides a testing device for an airborne device, including a testing device main body, a front panel of the testing device main body is provided with a plurality of sockets, a top face of the testing device main body is provided with a plurality of testing holes, the testing device front panel is provided with a plurality of connectors, and a rear panel of the testing device is further provided with an Integrated Test Adapter (ITA);

the test equipment main body is connected with the comprehensive automatic test equipment through the comprehensive test adaptive interface, the test hole is connected with the socket through a connecting wire, and the test equipment main body is connected to the airborne equipment through the connector.

Specifically, the Test resources of the Integrated Automatic Test Equipment (IATE) are introduced into the Test Equipment main body through an Integrated Test Adapter (ITA) arranged on the rear panel of the Test Equipment main body, so that the purpose of introducing the external Test resources into the Test Equipment main body is achieved, and therefore the Test resources which are not available in the Test Equipment main body (the Test Equipment main body can also generate part of the Test resources) are expanded or supplemented, and the Test resources are used for performing functional tests on airborne Equipment, performing fault simulation and the like.

The top of the test equipment main body is provided with a plurality of test resource output interfaces, for example, a direct current voltage output interface, an alternating current power supply module output interface, a large current load interface, an IO module interface and the like, and the test resource output interfaces are used for outputting test resources to the airborne equipment. The test resource output interface may be connected to the socket using a connecting wire, which may be implemented using a common shorting stub. One end of the connecting wire is plugged into the test resource output interface, the other end of the connecting wire is plugged into a corresponding pin of the socket of the front panel, the socket is electrically connected with the connector arranged on the front panel of the test equipment main body, and the connector is connected to the airborne equipment, so that the purpose of outputting the test resources of the comprehensive automatic test equipment or the test equipment main body to the airborne equipment is achieved, and the integrated automatic test equipment is used for fault detection and maintenance of the airborne equipment. In one particular embodiment, the receptacle may be implemented with a circular connector, and in particular may include three 128-pin circular connectors (model nos. JY27505E25F35SN, JY27505E25F30SA and MS27505E25F35SB, respectively) and one 69-pin circular connector (model No. JY27505E25F69 SN).

According to the method, the resources of the integrated automatic test equipment are introduced into the test equipment main body through the integrated adaptive interface and then are output to the airborne equipment through the test equipment main body, and more test resources can be provided for the airborne equipment under the condition that an additional hardware circuit is not required to be designed. In addition, through designing a plurality of test resource output interfaces, according to airborne equipment's actual demand, be connected test resource output interface and corresponding socket stitch to introduce airborne equipment with the test resource that will accord with the demand, have the characteristics that the commonality is high, scalability is strong.

As a further optional implementation manner, referring to fig. 1, the top panel of the testing apparatus main body is further provided with a plurality of testing holes, and the positions of the testing holes correspond to the testing resource output interfaces.

Specifically, the top panel of the test equipment main body is provided with a plurality of test holes corresponding to the test resource output interfaces one to one, and the connecting wires can be inserted into the test resource output ports only after passing through the test holes.

As a further optional implementation, the test equipment of the onboard equipment further includes a plurality of patch cords, each patch cord being configured with a contact.

Specifically, the connector of the test equipment main body of this application needs to carry out point connection with airborne equipment, just can carry the airborne equipment with test resource, and then, this application has designed the patch cord, is connected the one end of patch cord and the connector of test equipment main body, is connected the other end and the airborne equipment of patch cord to the mesh that test equipment main body and airborne equipment electricity are connected has been realized. In a specific embodiment, the present application contemplates four patch cords, wherein three patch cords are configured with 128 wires and one patch cord is configured with 69 wires, and contacts, typically copper plated or silver plated metal, are configured at both ends of each wire, and the wires are configured with contacts to enable quick connection of the test device body to the military aircraft connector of the onboard device.

Further as an optional implementation, the comprehensive test adaptation interface adopts a VPC9025 interface.

Specifically, this embodiment provides a possible implementation manner of the ITA, and the ITA is implemented by using a VPC9025 interface, so that resources of the integrated automatic test equipment are introduced into the test equipment main body. Referring to fig. 1 and table 1, the VPC9025 interface has 25 slots, different modules and contacts are mounted on the slots in a matched manner and used for electrical and mechanical connection between the IATE and the adapter, the VPC9025 interface selects a power module of the integrated automatic test equipment, test resources with high precision requirements, bus test resources and the like to be introduced into the test equipment, and matrix switches and switch test resources occupying most digital-analog modules are not introduced, so that the occupied modules are few. And the definition of the pin of the VPC9025 end on the subsequent IATE is changed by only moving the VPC9025 end mould of the test equipment to a corresponding position.

Table 1: VPC9025 array interface module distribution table

As a further optional implementation manner, the testing device main body includes a power supply module, a switch module, an adjustable power and load module, a bus module, a video module and an audio module.

Specifically, referring to fig. 3, in the case that the power module of the test device main body supplies power externally, when 28V dc power is input externally, common power signals such as +5V/1A dc power, +15V/1A dc power, -15VDC/1A dc power can be generated, which facilitates maintenance and inspection. When an AC power supply of 115V is input externally, the power supply module can generate power supply signals such as AC of 26V/1A, AC of 36VAC/1A, AC of 2-path 5V/200mA and the like by using a transformer, wherein the AC of 5V/200mA is mainly used for outputting signals in the same phase and opposite phase, and the power supply signals are output through corresponding test resource output interfaces.

In addition, the external power supply mentioned in the above embodiments may use a power supply input by the integrated automatic test equipment as an implementation manner of the external power supply, or may use a power supply instrument to supply power to the power supply module as an implementation manner of the external power supply.

The switch module is used for conveniently controlling the on-off of the excitation signal supplied to the airborne equipment in the maintenance and detection process. The switch module comprises a 9-way single-pole double-throw switch. The switch selects a single-pole double-throw switch, a normally closed or normally open port of the switch is led to a corresponding test resource output interface through a connecting line, and a public end of the switch is connected to the airborne equipment, so that different discrete quantity states required by the airborne equipment can be switched, the number of the switches is 9, and the discrete quantity signals of 18 paths at most can be provided.

The three routes test hole of many logical interfaces itself has realized the short circuit, can provide the short circuit signal when the maintenance detects, cascade the back with the load resistance on the panel, can provide many logical way pull-up resistance or pull-down resistance and connect, directly take the poor scheduling problem of reliability that the cable winding leads to when solving the experiment in the past. The multi-pass interface is a layout form of 27-path 3-pass connection and 9-path direct connection, can provide on-off signals of at most 63 paths, and meets the maintenance and detection requirements of most airborne equipment.

Referring to fig. 4, the adjustable resistor module provides 4 paths of adjustable resistors, wherein the minimum range is 1 Ω -220 Ω, the maximum range is 1 Ω -47k Ω, 2 paths of low-power loads and 2 paths of external high-power loads, 4 paths of voltage dividing circuits, and the minimum voltage dividing ratio is 1.21.

The variable resistor is implemented by using and adjusting a resistor with a certain measuring range according to needs, so as to simulate a load during maintenance detection.

When the function of the power load is realized, the condition that part of airborne equipment needs to use a large current load is considered, so that a corresponding power load interface is reserved, and the large current load is led out.

The adjustable resistance module is generally used to implement a resistance voltage division signal in the following three cases: firstly, when the maintenance of instruments and the like detects or a small voltage signal needs to be input, a direct current or alternating current voltage is applied to two ends of the variable resistor by the voltage dividing signal, and then the voltage output by the middle pin of the resistor is changed by changing the size of the adjustable resistor. And secondly, when the airborne equipment needs to be excited by signals with the same phase or opposite phases and different amplitudes, the voltage division can be realized through resistors. And thirdly, when the airborne equipment with large voltage output is measured, in order to avoid directly measuring the large voltage, the resistance voltage division mode is used for measurement, and the loss of instruments or personal safety is avoided.

Referring to fig. 5, the bus module provides 2 RS232 bus, 2 RS485 bus, 2 RS422 bus and 1 LAN interface switching. When the main body of the test equipment needs to be connected to an industrial control computer, the cross-linking between the airborne equipment and the industrial personal computer is realized by utilizing bus interfaces such as RS232, RS485, RS422, LAN and the like. LAN interface switching realizes, installs the net gape on test equipment's top panel to on leading the data interface of net twine to the panel test hole, can be connected to the industrial control computer through the net twine cable and communicate.

Referring to fig. 6, the video module provides 1-way VGA to LVDS differential signals. The video module outputs a VGA video input port on the top panel after converting an input VGA signal into 6 paths of LVDS signals through the built-in signal conversion plate, and is provided with a button control area to control the output of the LVDS signals, and meanwhile, the video module adopts a mode of mounting after a hollow panel, so that the later-stage upgrading and replacement of other video modules are facilitated.

The audio module is used for measuring airborne equipment audio signal output, and the top panel disposes a BNC head and test connection hole for connecting, and the inside can provide 1 way 600 omega audio signal load measurement interface.

According to the embodiment, the test resources of the integrated automatic test equipment are introduced into the test equipment main body, so that the types and the quantity of the test resources of the airborne equipment are increased, when the airborne equipment needs certain or some test resources to perform performance test or fault simulation, the top panel of the test equipment main body is provided with the test holes to plug one end of the connecting wire into the corresponding test resource output interface, the other end of the connecting wire is connected to the corresponding pin of the corresponding socket, and the test signals are finally input to the airborne equipment through the connector, so that the integrated automatic test equipment has the following advantages:

1. by arranging the test holes and the plurality of test resource output interfaces, when the airborne equipment needs test resources, the test resources needed by the airborne equipment can be introduced into the airborne equipment only by connecting the leads, and the device has the characteristics of good universality and strong expandability;

2. the industrial control computer, the power supply instrument and the comprehensive automatic test equipment are introduced into the test equipment of the airborne equipment, performance and function tests of the airborne equipment are realized without increasing hardware resource design, and the test equipment has the characteristics of high resource integration degree and high resource utilization rate.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The test equipment of the airborne equipment is characterized by comprising a test equipment main body, wherein a front panel of the test equipment main body is provided with a plurality of sockets, the top of the test equipment main body is provided with a plurality of test resource output interfaces, the front panel of the test equipment is provided with a plurality of connectors, and a rear panel of the test equipment is also provided with a comprehensive test adaptive interface;

2. The testing device of the onboard device according to claim 1, wherein the top panel of the testing device body is further provided with a plurality of testing holes, and the positions of the testing holes correspond to the testing resource output interfaces.

3. The onboard apparatus test device of claim 1, further comprising a plurality of patch cords, each patch cord configured with a contact.

4. The device for testing the onboard device according to claim 1, wherein the integrated test adaptation interface is a VPC9025 interface.

5. The onboard apparatus test device according to claim 1, further comprising a power supply device connected to the test device main body through a patch cable.

6. The test apparatus for an onboard apparatus according to claim 1, wherein the test apparatus main body is connected to an industrial control computer.

7. The device for testing an onboard device according to claim 1, wherein the testing device body comprises a power supply module, a switch module, an adjustable resistance module, a bus module, a video module, and an audio module.