Lamp driving assembly test board

Abstract

The utility model provides a lamp driving assembly testboard which comprises a testboard body, a PCB is arranged in the testboard body, a panel is arranged on the testboard body, and a lamp driving assembly is arranged on the testboard body. The panel is provided with an ARINC429 test hole, a voltmeter, an ammeter, a connector, a power signal interface, a discrete signal interface, an ARINC429 signal interface, an indicating lamp, a power switch, a discrete magnitude input switch and a jack. The ARINC429 test hole, the voltmeter, the ammeter, the connector, the power supply signal interface, the discrete signal interface, the ARINC429 signal interface, the indicating lamp, the power switch, the discrete magnitude input switch and the jack are electrically connected with the PCB. The lamp drive testboard is simple in overall structure, low in manufacturing cost and later maintenance cost, and capable of replacing existing high-price test equipment to test a lamp drive assembly; the whole test operation is simple and fast, the applicability is high, and the method can be popularized and used.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft test benches, in particular to a test bench for lamp drive components. Background Art

[0002] An aircraft is a means of transportation with high speed and good environment. With the development of aviation technology, air travel is becoming more and more popular among people. In order to improve the safety performance of aircraft, during the maintenance process of aircraft, it is necessary to test the lamp drive components on the aircraft to ensure that these lamp drive components meet the requirements of the manufacturer before they can continue to be used on the aircraft. If the test fails, the components need to be replaced according to the test results to ensure the normal use of the lamp drive components and also ensure the safe flight and use of the aircraft.

[0003] Currently, the main method for testing lamp drive components is to use CTS-2000, CAT-2012 and corresponding test software for testing. This set of special test equipment is expensive, has high maintenance costs, a complex system, low applicability, and low utilization rate of equipment resources, which is not conducive to the large-scale promotion and use in the aircraft equipment test and maintenance industry. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a test bench for lamp drive components to solve the problems of the existing test equipment being expensive, having high maintenance costs, a complex system, a small applicable range, low applicability, low utilization rate of equipment resources, and being not conducive to the large-scale promotion and use in the aircraft equipment test and maintenance industry as mentioned in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A test bench for lamp drive components, including a test bench body;

[0007] A PCB circuit board is arranged inside the test bench body, a panel is arranged on the test bench body, and an ARINC429 test hole, a voltmeter, an ammeter, a connector, a power signal interface, a discrete signal interface, an ARINC429 signal interface, an indicator light, a power switch, a discrete input switch and a jack are arranged on the panel;

[0008] The ARINC429 test hole, the voltmeter, the ammeter, the connector, the power signal interface, the discrete signal interface, the ARINC429 signal interface, the indicator light, the power switch, the discrete input switch and the jack are respectively electrically connected to the PCB circuit board.

[0009] Preferably, 1 fuse holder is further arranged inside the test bench body, and the fuse holder is electrically connected to the PCB circuit board.

[0010] Preferably, the connector includes connector J1 and connector J2.

[0011] Preferably, there are 5 429 signal test holes.

[0012] Preferably, the indicator lights are discrete signal output indicator lights, and there are 122 indicator lights in total.

[0013] Preferably, the indicator lights include red indicator lights and green indicator lights, among which there are 2 red indicator lights and 120 green indicator lights.

[0014] Preferably, resistors are connected in series with the indicator lights, and there are 122 resistors in total.

[0015] Preferably, the power switch is a ship-shaped power switch, and there are 2 ship-shaped power switches.

[0016] Preferably, the discrete input switch is a trigger switch, and there are 2 trigger switches.

[0017] Preferably, the jacks include 2 red banana jacks and 2 black banana jacks.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: The overall structure of the lamp drive test bench is simple, and the manufacturing cost and later maintenance cost are relatively low. It can replace the existing relatively expensive test equipment to test the lamp drive components; the entire test operation is simple and fast, with high applicability, and can be popularized and used. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 is the circuit diagram of the present utility model. Detailed Embodiments

[0021] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present utility model. Therefore, the drawings and descriptions are considered to be exemplary in nature rather than restrictive.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the products of the present utility model are usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0023] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present utility model provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0025] The embodiments of the present utility model will be described in detail below with reference to the drawings.

[0026] As Figures 1 to 4 shown, the embodiment of the present utility model provides a lamp drive component test bench, including a test bench body;

[0027] A PCB circuit board is provided inside the test bench body, a panel is provided on the test bench body, and an ARINC429 test hole, a voltmeter, an ammeter, a connector, a power signal interface, a discrete signal interface, an ARINC429 signal interface, an indicator light, a power switch, a discrete input switch, and a jack are provided on the panel;

[0028] The ARINC429 test holes, voltmeter, ammeter, connectors, power signal interface, discrete signal interface, ARINC429 signal interface, indicator lights, power switch, discrete input switch and jacks are respectively electrically connected to the PCB circuit board.

[0029] In this embodiment, there is also a fuse base inside the test bench body, and the fuse base is electrically connected to the PCB circuit board. The presence of the fuse base can automatically cut off the power supply when the instantaneous current is too large, improving the safety of the test bench body.

[0030] In this embodiment, the connectors include connector J1 and connector J2, serving as the signal communication and power connection interfaces between the component to be tested for the lamp driver and the lamp driver component test bench.

[0031] Specifically, both connector J1 and connector J2 are DB78.

[0032] In this embodiment, there are 5 429 signal test holes, including RX1-A / B connected to pins 69 and 70 of connector J1, TX3-A / B connected to pins 72 and 73, TX1-A / B connected to pins 75 and 76, and RX2-A / B connected to pins 69 and 70 of connector J2, and TX2-A / B connected to pins 75 and 76; the 429 signal test holes are arranged on the industrial control computer and are used to test the ARINC429 channels of the lamp driver component.

[0033] In this embodiment, the indicator lights are discrete signal output indicator lights, and there are 122 indicator lights in total, as Figures 1 to 4 shown, LED1-LED122 are used to test and indicate the discrete output signals.

[0034] Specifically, the indicator lights include red indicator lights and green indicator lights, among which there are 2 red indicator lights and 120 green indicator lights. The red indicator lights are used as power indicator lights, and the green indicator lights are used as test lights for the lamp driver component.

[0035] In this embodiment, resistors are connected in series with all the indicator lights, and the other ends of the resistors are connected in series with connectors. There are 122 resistors in total, as Figures 1 to 4 shown, R1-R122 are respectively connected in series with an indicator light LED1-LED122, and the resistors are all 1.5 kΩ.

[0036] Specifically, for pins 1 - 64 of connector J1 and connector J2, plus pin 74, except for pins 1, 8, 15, and 22 which are grounded, each pin is connected in series with a resistor and an indicator light.

[0037] It should be noted that pins 8, 15, and 22 of connector J1 and connector J2, as well as between pins 68 and 71, are all connected in parallel to ground.

[0038] In this embodiment, the discrete input switch is a trigger switch, and there are 2 trigger switches.

[0039] Specifically, as shown in the figure, trigger switches S1 and S2 are ground discrete input switches. Pressing them makes the input effectively grounded, and releasing them makes the switches in the off state. Trigger switch S1 is connected to pin 77 of connector J1, and trigger switch S2 is connected to pin 77 of connector J2.

[0040] In this embodiment, the power switch is a rocker power switch, and there are 2 rocker power switches.

[0041] Specifically, the power switches include 28VDC and 12VDC rocker power switches, which are respectively used to control the turning on and off of the 28VDC and 12VDC power supplies. Pressing I means ON, and pressing O means OFF. Among them, the 28VDC power supply provides power for the lamp drive assembly, and the 12VDC power supply provides power for the lamp drive assembly test bench.

[0042] Specifically, connectors J1 and J2 of the lamp drive assembly are both connected to the 28VDC power supply. And pins 78 of connectors J1 and J2 are connected to pin 1 of the 28VDC rocker power switch. Pins 77 of connectors J1 and J2 are respectively connected to pin 2 of the 28VDC rocker power switch through trigger switches S1 and S2. Connectors J1 and J2 of the lamp drive assembly test bench are both connected to the 12VDC power supply. Among them, pins 2 - 64, as well as pins 66 and 74 of connector J1, are all connected to the 12VDC power supply. Pins 2 - 64 and pin 74 of connector J2 are all connected to the 12VDC power supply.

[0043] In this embodiment, the jacks include 2 red banana jacks and 2 black banana jacks, which are used to connect the power supply.

[0044] During testing, one end of the test cable is respectively connected to the connectors J1 and J2 of the lamp drive assembly test bench, and the other end is connected to connectors J1 and J2 of the lamp drive assembly. Connect the power supply, indicate the input DC voltage and current on the panel, and the industrial control computer sends ARINC429 data. At this time, the lamp drive assembly receives the ARINC429 data, completes the self - test, and reflects the currently controlled lamp through the on - off status of the indicator light.

[0045] Specifically, when the lamp drive test bench is used to repair and test the lamp drive assemblies (P / N: 622-9822-101, 822-2121-001) on the ARJ aircraft, both ends of the cables DL-LDU-622-9822- / 822-2121-P1 and DL-LDU-622-9822- / 822-2121-P2 are respectively connected to the connectors J1 and J2 of the lamp drive assembly test bench and the lamp drive assembly.

[0046] The overall structure of the lamp drive test bench is simple, with relatively low manufacturing costs and subsequent maintenance costs. It can replace the existing relatively expensive test equipment to test the lamp drive assembly; the entire test operation is simple and fast, with high applicability and can be promoted for use.

[0047] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A test bench for a lamp drive component, comprising a test bench body, characterized in that: A PCB circuit board is provided inside the test bench body, a panel is provided on the test bench body, and an ARINC429 test hole, a voltmeter, an ammeter, a connector, a power signal interface, a discrete signal interface, an ARINC429 signal interface, an indicator light, a power switch, a discrete input switch and a jack are provided on the panel; The ARINC429 test hole, the voltmeter, the ammeter, the connector, the power signal interface, the discrete signal interface, the ARINC429 signal interface, the indicator light, the power switch, the discrete input switch and the jack are respectively electrically connected to the PCB circuit board.

2. The lamp driving component test bench according to claim 1, characterized in that: One fuse holder is further provided inside the test bench body, and the fuse holder is electrically connected to the PCB circuit board.

3. The lamp drive component test bench according to claim 1, characterized in that: The connector includes connector J1 and connector J2.

4. The lamp driving component test bench according to claim 1, wherein: There are 5 ARINC429 signal test holes.

5. The lamp driving component test bench according to claim 1, wherein: The indicator lights are discrete signal output indicator lights, and there are 122 indicator lights in total.

6. The lamp driving component test bench according to claim 5, wherein: The indicator lights include red indicator lights and green indicator lights, among which there are 2 red indicator lights and 120 green indicator lights.

7. The lamp drive component test bench according to claim 5, characterized in that: Resistors are connected in series with the indicator lights, and there are 122 resistors in total.

8. The lamp driving component test bench according to claim 1, characterized in that: The power switch is a ship-type power switch, and there are 2 ship-type power switches.

9. The lamp drive component test bench according to claim 1, wherein: The discrete input switch is a trigger switch, and there are 2 trigger switches.

10. The lamp drive component test bench according to claim 1, characterized in that: The jacks include 2 red banana jacks and 2 black banana jacks.

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