RMP test board and test system

Abstract

The utility model provides an RMP testboard and test system, which comprises a testboard body, a panel arranged at the front end of the testboard body and a backboard arranged at the rear end of the testboard body, and is characterized in that the panel comprises a voltage and current monitoring area provided with a voltmeter and an ampere meter and used for monitoring voltage and current; the switch area is provided with a power switch area and a discrete magnitude control switch area; the connecting area is provided with a connector J1; the test area is provided with a test hole area and a test indicating lamp area; wherein the test hole area is provided with a power supply output test hole, a discrete magnitude output test hole, a 429 bus test hole and a grounding hole; the back plate is provided with a power input interface; the RMP test board is simple in overall structure and low in manufacturing cost and later maintenance cost, the RMP test board is in communication connection with the to-be-tested panel, the bus analyzer and the oscilloscope are combined to achieve RMP function testing, limitation of special test equipment is eliminated, practicability is high, and the RMP test board is suitable for application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless management panel testing, in particular to an RMP testing platform and a testing system. Background Art

[0002] With the development of civil aviation, radio technology has become more and more mature. Radio technology is widely used, especially in the aviation industry. At present, radio technology has become an indispensable technology in modern aviation industry.

[0003] Aircraft feature a device called the Radio Management Panel (RMP). This central frequency control unit primarily controls the communication frequencies of radio communications equipment (VHF / HF) and radio navigation equipment (ADF, DME, ILS, and VOR). Due to the rapid development of the RMP, which has evolved from a decentralized system providing frequencies to a single integrated control panel, testing the RMP is crucial. Currently, RMP testing is performed using specialized test equipment adapters, industrial computers, and test software. However, this specialized test equipment is expensive and has limitations, making it difficult to purchase and use, resulting in limited usability.

[0004] Therefore, the present invention proposes an RMP test bench and test system with simple structure, convenient use and relatively low cost to solve the above problems. Utility Model Content

[0005] The purpose of the present invention is to provide an RMP test bench and test system to solve the problem that the existing RMP test equipment proposed in the above background technology is expensive, has limitations, is inconvenient for people to purchase and use, and leads to low convenience of use.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] An RMP test bench includes a test bench body, a panel disposed at the front end of the test bench body, and a back panel disposed at the rear end of the test bench body, wherein the panel includes:

[0008] The voltage and current monitoring area is equipped with a voltmeter and an ammeter to monitor voltage and current;

[0009] The switch area includes a power switch area and a discrete quantity control switch area;

[0010] The connection area is provided with connector J1;

[0011] The test area is provided with a test hole area and a test indicator light area;

[0012] in,

[0013] The test hole area is provided with a power output test hole, a discrete output test hole, a 429 bus test hole and a grounding hole;

[0014] The back panel is provided with a power input interface.

[0015] Preferably, the power switch area is provided with a power switch and a power indicator light.

[0016] Preferably, the power switch is a rocker-shaped power switch, and there are two rocker-shaped power switches, which are used to control the 28VDC power supply and the 5VDC power supply respectively;

[0017] Preferably, the power indicator lights are two red indicator lights, which are electrically connected to the two rocker-shaped power switches respectively.

[0018] Preferably, the test indicator light area is provided with four green indicator lights.

[0019] Preferably, the test bench body is provided with resistors, and there are four resistors, and one end of each resistor is connected to one of the green indicator lights.

[0020] Preferably, the discrete quantity control switch area is provided with 14 discrete quantity control switches.

[0021] An RMP testing system comprises the RMP testing station as described in any one of the above items.

[0022] Preferably, it also includes a panel to be tested, a bus analyzer, an oscilloscope, a digital multimeter and a power supply module; wherein the panel to be tested, the bus analyzer, the oscilloscope and the digital multimeter are respectively communicatively connected to the RMP test bench, and the power supply module is electrically connected to the RMP test bench.

[0023] Compared with the existing technology, the beneficial effects of the present invention are: the RMP test bench has a simple overall structure, can replace the existing high-priced special test equipment to test RMP, and has low manufacturing cost and subsequent maintenance cost; the RMP test bench is connected to the panel to be tested through a cable for communication, and a bus analyzer and an oscilloscope are combined to realize the functional test of the RMP, which gets rid of the limitations of special test equipment. The test system has a simple structure, relatively low price and cost, high practicality, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0025] Figure 1 Schematic diagram of the structure of the panel involved in some embodiments of the present invention;

[0026] Figure 2 Schematic diagram of the structure of the back plate involved in some embodiments of the present utility model;

[0027] Figure 3 This is the connection circuit diagram of the utility model;

[0028] Figure 4 This is a schematic diagram of the framework of the RMP testing system of the present utility model. DETAILED DESCRIPTION

[0029] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the products of the present invention are conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In this utility model, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0032] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but a person of ordinary skill in the art will recognize the application of other processes and / or the use of other materials.

[0033] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0034] like Figures 1-3 As shown, an embodiment of the present invention provides an RMP test bench, comprising a test bench body, a panel disposed at the front end of the test bench body, and a back panel disposed at the rear end of the test bench body, wherein the panel comprises:

[0035] The voltage and current monitoring area is equipped with a voltmeter and an ammeter to monitor voltage and current;

[0036] The switch area includes a power switch area and a discrete quantity control switch area;

[0037] The connection area is provided with connector J1;

[0038] The test area is provided with a test hole area and a test indicator light area;

[0039] in,

[0040] The test hole area is provided with a power output test hole, a discrete output test hole, a 429 bus test hole and a grounding hole;

[0041] The back panel is provided with a power input interface.

[0042] Specifically, there are two voltmeters and two ammeters, both used to monitor voltage and current; the power input interface includes 5VDC and 28VDC power input interfaces; the test hole area is TP1-TP34, of which TP29-TP31 are power output test holes, and TP32-TP34 are grounding holes.

[0043] More specifically, TP1-TP28 are respectively connected to pin 7, pin 8, pin 46, pin 47, pin 12, pin 13, pin 27, pin 28, pin 34, pin 35, pin 30, pin 31, pin 36, pin 37, pin 32, pin 33, pin 42, pin 43, pin 38, pin 39, pin 40, pin 41, pin 44, pin 45, pin 23, pin 24, pin 25, and pin 21 of connector J1; among which pin 44 and pin 45 are respectively connected to the high level and low level of the 429 bus.

[0044] It should be noted that the power input can be either direct current or alternating current.

[0045] Furthermore, the power switch area is provided with a power switch and a power indicator light.

[0046] Specifically, the power switch is a rocker-shaped power switch, and there are two rocker-shaped power switches, which are used to control the on and off of the 28VDC power supply and the 5VDC power supply respectively, so as to provide working power to the panel under test (UUT RMP); the power indicator lights are two red indicator lights, which are electrically connected to the two rocker-shaped power switches respectively; when the rocker-shaped power switch is pressed I, it is ON, and the red indicator light of the corresponding switch lights up; when it is pressed O, it is OFF, and the red indicator light of the corresponding switch goes out.

[0047] The connection method between the power signal and connector J1 is as follows: the positive pole of the 5VDC power signal is connected to pin 1 of connector J1, and the negative pole is connected to pins 2 and 4 of J1; the 28VDC power signal is connected to pins 5, 22, 24, and 25 of J1.

[0048] In order to observe the test results simply and clearly, the test indicator light area is provided with 4 green indicator lights.

[0049] Specifically, the four green indicator lights are LED1 connected to pin 22 of connector J1, LED2 connected to pin 24, LED3 connected to pin 25, and LED4 connected to ground.

[0050] More specifically, the test bench body is provided with resistors, there are 4 resistors, one end of each resistor is connected to one of the green indicator lights, one end of LED4 is connected to the resistor and the other end is grounded; in this embodiment, each resistor is 3 kilo-ohms.

[0051] Furthermore, the discrete quantity control switch area is provided with 14 discrete quantity control switches, specifically S1-S14.

[0052] Among them, S1-S12 are respectively connected to pin 1, pin 3, pin 9, pin 11, pin 14, pin 15, pin 17, pin 20, pin 21, pin 26, pin 23, and pin 29 of connector J1.

[0053] like Figure 4 As shown, an embodiment of the present invention further provides an RMP testing system, comprising the RMP testing station as described in any one of the above items.

[0054] Specifically, the RMP test system also includes a panel to be tested, a bus analyzer, an oscilloscope, a digital multimeter and a power supply module; wherein the panel to be tested, the bus analyzer, the oscilloscope and the digital multimeter are respectively communicatively connected to the RMP test bench, and the power supply module is electrically connected to the RMP test bench.

[0055] In this embodiment, the bus analyzer used is model T1200, which is used to analyze the 429 bus signal of the UUT RMP, and the oscilloscope is used to check the waveform of the 429 bus signal.

[0056] It should be noted that a digital multimeter is connected to the RMP test bench to ensure the accuracy of the data, and the data monitored by the voltmeter and ammeter on the RMP test bench can be used as reference data.

[0057] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An RMP test bench, comprising a test bench body, a panel disposed at the front end of the test bench body, and a back panel disposed at the rear end of the test bench body, characterized in that: The panel includes: The voltage and current monitoring area is equipped with a voltmeter and an ammeter to monitor voltage and current; The switch area includes a power switch area and a discrete quantity control switch area; The connection area is provided with connector J1; The test area is provided with a test hole area and a test indicator light area; in, The test hole area is provided with a power output test hole, a discrete output test hole, a 429 bus test hole and a grounding hole; The back panel is provided with a power input interface.

2. The RMP test bench according to claim 1, characterized in that: The power switch area is provided with a power switch and a power indicator light.

3. The RMP test bench according to claim 2, characterized in that: The power switch is a rocker-shaped power switch, and there are two rocker-shaped power switches, which are used to control the 28VDC power supply and the 5VDC power supply respectively; The power indicator lights are two red indicator lights, which are electrically connected to the two boat-shaped power switches respectively.

4. The RMP test bench according to claim 1, characterized in that: The test indicator light area is provided with 4 green indicator lights.

5. The RMP test bench according to claim 4, characterized in that: The test bench body is provided with resistors, and there are four resistors. One end of each resistor is connected to one of the green indicator lights.

6. The RMP test bench according to claim 1, characterized in that: The discrete quantity control switch area is provided with 14 discrete quantity control switches.

7. A RMP testing system, characterized in that: The invention comprises an RMP test bench as described in any one of claims 1 to 6.

8. The RMP testing system according to claim 7, characterized in that: It also includes a panel to be tested, a bus analyzer, an oscilloscope, a digital multimeter and a power supply module; wherein the panel to be tested, the bus analyzer, the oscilloscope and the digital multimeter are respectively communicatively connected to the RMP test bench, and the power supply module is electrically connected to the RMP test bench.

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