CN218039838U

CN218039838U - A switching device for engine is synthesized and is examined test table

Info

Publication number: CN218039838U
Application number: CN202221111409.7U
Authority: CN
Inventors: 李剑平; 史志鹏; 何辉; 张东晋川; 曾义; 尹念宇
Original assignee: No 5719 Factory of PLA
Current assignee: No 5719 Factory of PLA
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-12-13
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to an aeroengine detects technical field, discloses a switching device that is used for engine to synthesize and examines test table. The utility model discloses set up a plurality of test jack and aviation socket on the box surface, set up a plurality of output jack that corresponds to a plurality of test jack in the aviation socket, connect output jack and the test jack that different parameters correspond in the aviation socket one-to-one through the internal connection line; a plurality of test jack is used for the data access of different test parameters respectively, and the test jack interval sets up on the box surface, and the grafting of the aviation contact pin of being more convenient for reduces because the jack is intensive and leads to the emergence of test wire access error, simultaneously, can realize once only inserting multichannel signal, implements multichannel simultaneous calibration, improves calibration efficiency.

Description

A switching device for engine is synthesized and is examined test table

Technical Field

The utility model relates to an aeroengine detects technical field, especially relates to a switching device that is used for engine to synthesize to examine test table.

Background

In the operation process of an aircraft engine, multiple parameters such as rotating speed, vibration, pressure, temperature and angle are the key of the stability of the working state of the engine and the good performance state of the engine, once the performance parameters are failed, the operation performance of the aircraft engine can be influenced, and flight failure can be caused seriously. The engine comprehensive detection platform can realize real-time measurement and monitoring of more than ten key parameters such as rotating speed, vibration, pressure, temperature, angle and the like, and the working states of the aero-engine and the electronic comprehensive regulator thereof can be reflected through the measurement data. Therefore, the performance of the comprehensive engine detection table needs to be good, and the detection data needs to be accurate. At present, when various parameters of an aero-engine need to be detected, a special plug formed by welding and connecting an aero pin and a special test line is inserted into a test jack of a comprehensive detection table, however, each test jack is provided with 19-55 unequal jacks, the jacks are dense, jack numbers need to be removed one by one according to the parameters needing to be tested during calibration detection, then corresponding test lines are inserted, and wrong connection is possible if careless, so that the wiring efficiency is low, and meanwhile, the accuracy of detection data is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a switching device for engine comprehensive testing platform, make things convenient for the access of test wire.

The utility model provides a technical scheme that its technical problem adopted is: the switching device for the comprehensive engine detection platform comprises a box body and a cable, wherein a plurality of test jacks for inserting aviation contact pins are arranged on one surface of the box body, an aviation socket is arranged on the other surface of the box body, a plurality of output jacks corresponding to the test jacks are arranged in the aviation socket, and the test jacks are electrically connected with the output jacks through connecting wires; the cable both ends are provided with first circular connector and second circular connector, and first circular connector corresponds the aviation socket setting, and the second circular connector corresponds the incoming end setting of synthesizing the test table.

Further, the method comprises the following steps: the box body is characterized by further comprising a control switch for controlling the on-off of an internal circuit, and the control switch is electrically connected with an internal connecting wire of the box body.

Further, the method comprises the following steps: the control switch adopts a toggle switch, a toggle switch wiring pin adopts a copper material, and a contact point adopts a silver point.

Further, the method comprises the following steps: the aviation socket is provided with a plurality of, and the aviation socket corresponds different test parameter settings.

Further, the method comprises the following steps: the inner diameter of the test jack is 4mm, the inner layer of the test jack is made of brass plated with silver, and the surface of the test jack is made of ABS plastic.

Further, the method comprises the following steps: the inner diameter of the output jack is 1.5 mm-2.5 mm.

Further, the method comprises the following steps: the connecting wire is 0.75mm ² The silver-plated wire core is stranded, and the insulating layer of connecting wire is PFA teflon material.

The beneficial effects of the utility model are that: the utility model discloses set up a plurality of test jack and aviation socket on the box surface, set up a plurality of output jack that corresponds the setting with a plurality of test jack in the aviation socket, connect output jack and the test jack that different parameters correspond in the aviation socket one-to-one through the internal connection line; a plurality of test jack is used for the data access of different test parameters respectively, and the test jack interval sets up on the box surface, and the grafting of the aviation contact pin of being more convenient for reduces because the jack is intensive and leads to the emergence of test wire access error, simultaneously, can realize once only inserting multichannel signal, implements multichannel simultaneous calibration, improves calibration efficiency.

Drawings

Fig. 1 is a schematic structural view of the adapting device for the comprehensive engine inspection table of the present invention;

FIG. 2 is a schematic view of the internal structure of the case;

FIG. 3 is a schematic view of a test jack arrangement;

FIG. 4 is a schematic view of an aviation socket arrangement;

labeled as: the test box comprises a box body 1, a test jack 2, an aviation socket 3, a connecting wire 4 and an output jack 5.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Referring to fig. 1 to 4, the adapting device for the comprehensive engine detection platform of the present invention includes a box 1 and a cable, wherein a plurality of test jacks 2 for inserting aviation pins are provided on one surface of the box 1, an aviation socket 3 is provided on the other surface of the box 1, the aviation socket 3 is provided with four test parameters, the aviation socket 3 corresponds to four different test parameter settings, a plurality of output jacks 5 corresponding to the test jacks 2 are provided in the aviation socket 3 according to the parameters to be tested, and the test jacks 2 are electrically connected to the output jacks 5 through connecting wires 4; the box body 1 of the adapter device is connected with the engine comprehensive detection platform through a cable, a first aviation plug and a second aviation plug are arranged at two ends of the cable, the first aviation plug is arranged corresponding to the aviation socket 3, and the second aviation plug is arranged corresponding to the access end of the comprehensive detection platform; the box body 1 is provided with a control switch for controlling the on-off of an internal circuit, and the control switch is electrically connected with the internal connecting wire 4 of the box body 1.

In the performance parameter calibration test to aeroengine, through the utility model discloses the device is connected test wire and engine comprehensive testing platform, makes things convenient for the workman to peg graft the aviation contact pin of special plug corresponding test jack 2 in, needn't synthesize again the engine and examine a narrow and small within range carry out several holes peg graft, can realize once only inserting the multichannel signal through this switching device, implements multichannel simultaneous calibration, improves calibration efficiency. When the test socket is used, a special plug for transmitting test data is plugged into the test jack 2, then the test data is transmitted from the test jack 2 to the output jack 5 in the aviation socket through the connecting wire 4, and then the test data is transmitted to the engine comprehensive detection platform through the cable.

Specifically, the control switch adopts a toggle switch, a toggle switch wiring pin adopts a copper material, and a contact point adopts a silver point. The toggle switch has a unique wiring terminal design, is safe to touch by fingers, and greatly improves the use safety.

Specifically, the inner diameter of the test jack 2 is 4mm, the inner layer of the test jack 2 is made of brass plated with silver, and the outer layer of the test jack 2 is made of ABS plastic. Silver has the highest electrical and thermal conductivity of all metals, which helps to transmit test data effectively, and has excellent lubricity, improving abrasion resistance, and improving the service life of the test socket 2.

Specifically, the inner diameter of the output jack 5 is 1.5 mm-2.5 mm, and the number of the output jacks corresponds to the number of lines of the required test parameters.

Specifically, the connecting wire 4 is 0.75mm ² The silver-plated wire cores are twisted, the insulating layer of the connecting wire 4 is made of PFA (Polytetrafluoroethylene) Teflon material, the long-term use temperature of the PFA Teflon material is-80-260 ℃, the PFA Teflon material has excellent chemical corrosion resistance and good electrical property, the electrical insulation property of the PFA Teflon material is not influenced by temperature, the service life of the connecting wire 4 is prolonged conveniently, and data transmission is facilitated.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A switching device for engine comprehensive testing platform, its characterized in that: the aviation plug testing device comprises a box body (1) and a cable, wherein a plurality of testing jacks (2) for inserting aviation pins are arranged on one surface of the box body (1), an aviation socket (3) is arranged on the other surface of the box body (1), a plurality of output jacks (5) which correspond to the testing jacks (2) are arranged in the aviation socket (3), and the testing jacks (2) are electrically connected with the output jacks (5) through connecting wires (4); the cable both ends are provided with first circular connector and second circular connector, and first circular connector corresponds aviation socket (3) and sets up, and second circular connector corresponds the incoming end setting of synthesizing the test table.

2. The adapter device for the comprehensive engine test stand according to claim 1, wherein: the power supply box further comprises a control switch used for controlling the on-off of the internal circuit, and the control switch is electrically connected with the internal connecting wire (4) of the box body (1).

3. The adapter device for the engine complex test stand according to claim 2, wherein: the control switch adopts a toggle switch, a connection pin of the toggle switch adopts a copper material, and a contact point adopts a silver point.

4. The adapter device for the engine complex test stand according to claim 1, wherein: aviation socket (3) are provided with a plurality of, aviation socket (3) correspond different test parameter settings.

5. The adapter device for the engine complex test stand according to claim 1, wherein: the inner diameter of the test jack (2) is 4mm, the inner layer of the test jack (2) is made of brass plated with silver, and the surface of the test jack is made of ABS plastic.

6. The adapter device for the engine complex test stand according to claim 1, wherein: the inner diameter of the output jack (5) is 1.5 mm-2.5 mm.

7. The adapter device for the comprehensive engine test stand according to claim 1, wherein: the connecting wire (4) adopts 0.75mm ² The silver-plated wire cores are stranded, and the insulating layer of the connecting wire (4) is made of PFA teflon.