CN111948581A - Aviation plug manual or automatic online detection interface device - Google Patents
Aviation plug manual or automatic online detection interface device Download PDFInfo
- Publication number
- CN111948581A CN111948581A CN202010951743.2A CN202010951743A CN111948581A CN 111948581 A CN111948581 A CN 111948581A CN 202010951743 A CN202010951743 A CN 202010951743A CN 111948581 A CN111948581 A CN 111948581A
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- China
- Prior art keywords
- connecting column
- module
- aviation plug
- wire clamping
- interface board
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to the technical field of testing, in particular to an aviation plug manual or automatic online detection interface device. Each connecting column is respectively connected with a male connector, a female connector and a signal conditioning circuit through wires, each connecting column comprises a jack, a wire clamping nut and a wire clamping groove, the jacks are positioned on the front side of an interface board, the interface board is also provided with a display screen, a power plug and a key, the key is arranged on the lower portion of the connecting column arrangement, the display screen is arranged on the upper portion of the connecting column arrangement, the power plug is connected with a power module of a detection device circuit, the wire clamping grooves and the jacks are respectively positioned on the front side and the rear side of the connecting column, the wire clamping nuts are further arranged on one side of each wire clamping groove, and the male connectors, the female connectors and the signal conditioning circuit connectors are fastened in the wire. The invention can display all signals in the aviation plug on line and can also detect the signals on the plug pin manually on line, thereby greatly facilitating the detection work of technicians.
Description
Technical Field
The invention relates to the technical field of testing, in particular to an aviation plug manual or automatic online detection interface device.
Background
Along with the great development of electrification, automation and intellectualization, the variety and the number of various electric signals and control signals needing to be transmitted are continuously increased, and currently, most of signal transmission adapters adopt aviation plugs, so that the number of contact pins in the aviation plugs is continuously increased from a few early pins to dozens of current pins, even hundreds of pins. The increase of the number of the pins brings more short circuits or misconnection faults, and the safe operation of the electrical equipment is greatly influenced. In order to eliminate such a fault, a method commonly adopted at present is to first power off the electrical equipment, and then a technician performs pin-by-pin detection and number matching on the pins of the plug, and in the case of a 50-pin aviation plug, 1225 times of detection are required to be performed to completely detect all the pins, which greatly increases the workload of the technician.
The power failure detection loses the fault characteristics of the electrified equipment, and only the on-off of a line can be detected, for example, a three-phase power supply line, if one phase has a single-phase earth fault, the whole line network can generate zero sequence voltage, and the other two phases can also generate zero sequence voltage when being measured, so that the fault can be found, and the fault power failure state can not be detected.
The plug of aviation plug itself is very troublesome, and some industrial field or equip on-the-spot aviation plug's position personnel hardly get into, and the plug is very difficult, and the contact pin of aviation plug is adjacent very close moreover, goes to detect through the universal meter, and the probe of pen-shape metre is very easy to the accurate contact pin, causes the false retrieval, neglected loading. However, if the measuring device is directly connected with the aviation plug, the wiring is complex each time, the device needs to be disassembled after the test is completed, the workload is huge, and the operation process may cause poor contact of the wire again, as disclosed in the 'general aviation plug rapid detection device' (application number 201520784744.7) of the invention patent in china.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an aviation plug manual or automatic online detection interface device. The device can be used for switching signals of each contact pin of the aviation plug, displaying all signals in the aviation plug on line, and manually detecting the signals on the contact pins on line, thereby greatly facilitating the detection work of technicians.
The technical scheme of the invention is as follows: the utility model provides an aviation plug manual add or automatic on-line measuring interface arrangement, includes male joint, interface board, female joint, spliced pole, and interface board erection joint post position is insulating material, sets up a plurality of spliced poles on its interface board, and the spliced pole is whole to be conducting material, its characterized in that: each connecting column is respectively connected with the male connector, the female connector and the signal conditioning circuit through wires, each connecting column comprises a jack, a wire clamping nut and a wire clamping groove, the jacks are located in the front of the interface board, the interface board is further provided with a display screen, a power plug and keys, the keys are arranged on the lower portion of the connecting column arrangement, the display screen is arranged on the upper portion of the connecting column arrangement, the power plug is connected with a power module of the detection device circuit, the wire clamping grooves and the jacks are respectively located in the front side and the rear side of the connecting column, the wire clamping nuts are further arranged on one side of the wire clamping grooves, and the male connector, the female connector and the signal conditioning circuit connector are fastened in the.
According to aviation plug manual adding or automatic on-line measuring interface arrangement as above-mentioned, characterized in that: the connecting column is made of copper.
According to aviation plug manual adding or automatic on-line measuring interface arrangement as above-mentioned, characterized in that: the connecting column part of the interface board is made of insulating plastics.
According to aviation plug manual adding or automatic on-line measuring interface arrangement as above-mentioned, characterized in that: the interface board installation connecting column part is a rubber insulating plate, rubber has elasticity, and the rubber insulating plate is provided with a plurality of small holes for installing the connecting column.
According to aviation plug manual adding or automatic on-line measuring interface arrangement as above-mentioned, characterized in that: the detection device circuit comprises a signal conditioning circuit, an A/D (analog-to-digital) conversion module, a data cache SDRAM (synchronous dynamic random access memory), an RA8875 liquid crystal screen driving module, an LCD (liquid crystal display) screen, a key module, a serial communication module and a power module, the detection device circuit is packaged in an interface board shell, the RA8875 liquid crystal screen driving module, the LCD screen and the key module form a man-machine interaction module, the signal acquisition module comprises an external aviation plug and a receiving and transmitting interface, the signal conditioning circuit and the A/D conversion module, an FPGA (field programmable gate array) core data processing module is connected with the man-machine interaction module, the serial communication module, the data cache SDRAM and the signal acquisition module, and the power module supplies.
The invention has the beneficial effects that: firstly, the on-line automatic detection of signals of all pins of a transmission cable can be completed under the condition that electrical equipment is not powered off, and compared with the power-off detection, the on-off detection is easier to find out fault characteristics; the detection interface device is added with a switched manual detection board, and manual online detection of specific signals can be completed through instruments such as a universal meter and the like while automatic detection is performed; and thirdly, the aviation plug detection on an industrial site or an equipment site which is inconvenient to plug and unplug can be completed, so that technicians can conveniently detect the aviation plug and complete subsequent fault removal work. Fifthly, the detection work is conveniently carried out by technicians, and the detection efficiency is greatly improved. Sixthly, the installation is very simple, and the detection principle is very clear, and operation flow is clear, except can the on-line status that shows each way contact pin signal on line, can also carry out the manual work measurement of switching to each way contact pin signal, to a ray of technical staff simple and practical, solved the past can't on-line monitoring and hardly detected stubborn illness.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of a connecting column structure.
Fig. 3 is a schematic view of the connection post and the lead.
Fig. 4 is a schematic circuit diagram of the detection device.
Description of reference numerals: the connector comprises a male connector 1, an interface board 2, a female connector 3, a connecting column 4, a jack 41, a wire clamping nut 42, a wire clamping groove 43, a male connecting wire 5, a female connecting wire 6, a display screen 7, a power plug 8, a key 9 and a signal conditioning circuit connecting wire 10.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1 to 3, the aviation plug manual or automatic online detection interface device of the invention comprises a male connector 1, an interface board 2, a female connector 3 and connecting columns 4, the connecting columns 4 are made of insulating materials at the installation positions of the connecting columns 4 of the interface board 2, the interface board 2 is provided with a plurality of connecting columns 4, the whole connecting columns 4 are made of conductive materials such as copper, each connecting column 4 is respectively connected with the male connector 1, the female connector 3 and a signal conditioning circuit connection wire 10 through a lead, the connecting columns 4 are provided with jacks 41, the jacks 41 are positioned on the front surface of the interface board 2, therefore, during testing, the electrical performance indexes of corresponding male connector 1 or female connector 3 pins can be obtained by measuring the corresponding electrical performance indexes of the jacks 41, the device of the invention can detect the electrical performance indexes of the interface on line, the interface board 2 can also be provided with a display 7, a power plug 8 and keys 9, the display screen 7 is arranged on the upper part of the arrangement of the connecting columns 4, and the power plug 8 is connected with the power module of the detection device circuit.
As shown in fig. 2 and 3, the connection column 4 of the present invention includes a jack 41, a wire clamping nut 42, and a wire clamping groove 43, the wire clamping groove 43 and the jack 41 are respectively located at the front and rear sides of the connection column 4, the wire clamping nut 42 is further disposed at one side of the wire clamping groove 43, and the male connection wire 5, the female connection wire 6, and the signal conditioning circuit connection wire 10 can be fastened in the wire clamping groove 43 by screwing the wire clamping nut 42. The numbers of the connecting column 4 and the numbers of the male connecting wires 5 and the female connecting wires 6 are preferably in one-to-one correspondence, for example, the number of the connecting column 4 is 10, the male connecting wire 5 connected with the connecting column 4 is connected with the number 10 pin of the male connector 1, and the female connecting wire 6 connected with the connecting column 4 is connected with the number 10 pin of the female connector 3, so that the measurement is convenient. The signal conditioning circuit wiring 10 is connected with the signal conditioning circuit.
The connecting column 4 of the interface board 2 can be made of insulating plastic, but is preferably made of a rubber insulating plate, rubber has certain elasticity, and a plurality of small holes are formed in the rubber insulating plate for installing the connecting column 4, so that the connecting column 4 can be conveniently inserted into the rubber insulating plate, and the connecting column 4 can be conveniently pulled out of the rubber insulating plate. Therefore, when the plug is replaced, if 50-hole male connectors and female connectors are replaced by 25-hole male connectors and female connectors of other models, the original connecting column is only required to be pulled out, a new connecting column is inserted and the wiring is performed again, the original wiring can be fixed, and the plug can be inserted again in the next detection, so that the universal adapter can be used for multiple models in a universal manner, the waste is reduced, and the installation, adjustment and use are convenient.
As shown in fig. 1, the male connector 1 and the female connector 3 of the present invention are 50-hole pins, and 50 insertion holes 41 are correspondingly formed in the connecting posts 4, and correspond to the insertion holes 41 and the pins one by one. The number of the jacks 41 is determined according to the number of the pins with the largest test connector, and if the male connector 1 and the female connector 3 are pins with 100 holes, the number of the jacks 41 is 100 at least.
As shown in fig. 4, the circuit of the detection device of the present invention includes a signal conditioning circuit, an a/D analog-to-digital conversion module, a data buffer SDRAM, an RA8875 LCD screen driving module, an LCD display, a key module, a serial communication module, a power module, etc., which are packaged inside the casing of the interface board 2. Wherein, the RA8875 liquid crystal screen driving module, the LCD display screen and the key module form a man-machine interaction module. The signal acquisition module comprises an external aviation plug, and modules such as a receiving and transmitting interface of each internal signal, a signal conditioning circuit, an A/D analog-to-digital conversion module and the like, wherein the receiving and transmitting interface of the signal is connected with the aviation plug. The FPGA core data processing module is connected with the human-computer interaction module, the serial communication module, the data cache SDRAM and the signal acquisition module, and the power supply module supplies power to the whole system.
The working process of the invention is as follows: after the device is connected to a detection circuit and powered on, the corresponding keys 9 on the front surface of the device are used for operation, and pin-by-pin detection can be carried out on the contact pins of the aviation plug. Assuming that an aviation plug has 50 pins, the device collects and calculates the level signals of the pins, and the electrical characteristics of the wanted pin signals can be displayed on the display screen 7 according to the needs of the device through keys of the device. By comparing the electrical characteristics of each pin in the actual engineering circuit diagram, whether the pin state is normal can be directly found. Meanwhile, the manual detection of specific signals can be carried out on the jack 4 by adopting detection devices such as a universal meter, an oscilloscope and the like, so that the detection means and the display effect are enriched. The device can perform online detection on all electric signals and control signals in the contact pins, displays data such as actual signal waveforms of the contact pins according to self needs, and can diagnose whether the contact pins are in misconnection, missed connection and the like through fault characteristics compared with the condition that other detection means can only detect whether the contact pins are in short circuit or not; meanwhile, the corresponding signal detection can be carried out on the jacks of the device manually, the problem that the technical personnel at the position of the aviation plug on some industrial sites or equipment sites are difficult to enter the detection is solved, the detection method is compared with the traditional detection instrument and meter for detecting the contact pin one by utilizing a universal meter and the like, the detection period is greatly shortened, meanwhile, the situations that the contact pin of the aviation plug is too close, and the probe of the universal meter is difficult to align the contact pin to cause false detection, missed detection and the like are avoided.
Claims (5)
1. The utility model provides an aviation plug manual add or automatic on-line measuring interface arrangement, includes male joint, interface board, female joint, spliced pole, and interface board erection joint post position is insulating material, sets up a plurality of spliced poles on its interface board, and the spliced pole is whole to be conducting material, its characterized in that: each connecting column is respectively connected with the male connector, the female connector and the signal conditioning circuit through wires, each connecting column comprises a jack, a wire clamping nut and a wire clamping groove, the jacks are located in the front of the interface board, the interface board is further provided with a display screen, a power plug and keys, the keys are arranged on the lower portion of the connecting column arrangement, the display screen is arranged on the upper portion of the connecting column arrangement, the power plug is connected with a power module of the detection device circuit, the wire clamping grooves and the jacks are respectively located in the front side and the rear side of the connecting column, the wire clamping nuts are further arranged on one side of the wire clamping grooves, and the male connector, the female connector and the signal conditioning circuit connector are fastened in the.
2. The aviation plug manual or automatic online detection interface device as claimed in claim 1, wherein: the connecting column is made of copper.
3. The aviation plug manual or automatic online detection interface device as claimed in claim 1, wherein: the connecting column part of the interface board is made of insulating plastics.
4. The aviation plug manual or automatic online detection interface device as claimed in claim 1, wherein: the interface board installation connecting column part is a rubber insulating plate, rubber has elasticity, and the rubber insulating plate is provided with a plurality of small holes for installing the connecting column.
5. The aviation plug manual or automatic online detection interface device as claimed in claim 1, wherein: the detection device circuit comprises a signal conditioning circuit, an A/D (analog-to-digital) conversion module, a data cache SDRAM (synchronous dynamic random access memory), an RA8875 liquid crystal screen driving module, an LCD (liquid crystal display) screen, a key module, a serial communication module and a power module, the detection device circuit is packaged in an interface board shell, the RA8875 liquid crystal screen driving module, the LCD screen and the key module form a man-machine interaction module, the signal acquisition module comprises an external aviation plug and a receiving and transmitting interface, the signal conditioning circuit and the A/D conversion module, an FPGA (field programmable gate array) core data processing module is connected with the man-machine interaction module, the serial communication module, the data cache SDRAM and the signal acquisition module, and the power module supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010951743.2A CN111948581A (en) | 2020-09-11 | 2020-09-11 | Aviation plug manual or automatic online detection interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010951743.2A CN111948581A (en) | 2020-09-11 | 2020-09-11 | Aviation plug manual or automatic online detection interface device |
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| Publication Number | Publication Date |
|---|---|
| CN111948581A true CN111948581A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010951743.2A Pending CN111948581A (en) | 2020-09-11 | 2020-09-11 | Aviation plug manual or automatic online detection interface device |
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| CN (1) | CN111948581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763939A (en) * | 2020-12-29 | 2021-05-07 | 中国航空工业集团公司西安飞机设计研究所 | Portable equipment interface testing device and method |
-
2020
- 2020-09-11 CN CN202010951743.2A patent/CN111948581A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763939A (en) * | 2020-12-29 | 2021-05-07 | 中国航空工业集团公司西安飞机设计研究所 | Portable equipment interface testing device and method |
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