CN203786240U - Intelligent airplane conducting wire rapid detector based on microprocessor - Google Patents
Intelligent airplane conducting wire rapid detector based on microprocessor Download PDFInfo
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- CN203786240U CN203786240U CN201420162496.8U CN201420162496U CN203786240U CN 203786240 U CN203786240 U CN 203786240U CN 201420162496 U CN201420162496 U CN 201420162496U CN 203786240 U CN203786240 U CN 203786240U
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Abstract
Provided is an intelligent airplane conducting wire rapid detector based on a microprocessor. The detector comprises a master controller, a displayer, an input keyboard, detection signal output and detection signal input. The master controller is respectively connected with the displayer, the input keyboard, the detection signal output and the detection signal input. The displayer is a dynamic digital tube displayer. The input keyboard is a user input keyboard. The detection signal output is an output signal latch circuit and is used for outputting a test-used level signal and connected with one end of the detected conducting wire. The detection signal input is a test level signal detection circuit and is connected with the other end of the detected conducting wire and used for receiving the test level signal of the detected conducting wire. Onsite analysis and test can be rapidly performed on each airborne system line fault of an airplane by the detector so that the on/off situations between the conducing wires can be accurately and visually displayed, and the state of the conducting wires is judged. Therefore, airplane maintenance efficiency and accuracy are greatly enhanced. Meanwhile, a problem of reduction of the service life of the conducting wires caused by error disassembling in maintenance work can be avoided.
Description
Technical field
The utility model belongs to Intelligent Measurement technical field, particularly relates to a kind of intelligent aircraft wire high speed detector based on microprocessor.
Background technology
For the detection of Aircraft Cables, normally by staff, by means of multimeter and systematic schematic diagram, the every wire in a branch of cable is tested one by one at present.Detection method has following two kinds:
Wire earthing, first carry out wire line short-circuit test program, then the connection line at break line two ends, one end of wire is connected on the earth point of casing, the red test pencil of ohmmeter is connected with the ungrounded end of wire, then the black meter pen of ohmmeter is connected with ground, reads the numerical value of ohmmeter reality and test successively.
External line method, first carries out wire line short-circuit test program, then the connection line at break line two ends, by one section of one end that is connected to aerial lug of wire, the red test pencil of ohmmeter is connected with aerial lug, black meter pen is connected with ground, read ohmmeter numerical value and test successively.
But because the wire on aircraft spreads all over each corner of each system, and type of cable is complicated, utilizes traditional manual detection method very inconvenient, time and effort consuming, inefficiency with this.And, in research in the past, be mostly devoted to determine the research of aircraft wire abort situation, the research of aircraft wire insulation course test, and shorter mention is with the detection of mutual relationship between aircraft wire in a branch of cable.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of intelligent aircraft wire high speed detector based on microprocessor.
In order to achieve the above object, the intelligent aircraft wire high speed detector based on microprocessor that the utility model provides comprises: master controller, display, input keyboard, detection signal output and detection signal input; Wherein: master controller is microcontroller chip, it is the control core of this device, be used for realizing that button detects, charactron dynamically shows, sends and detect level and read detection level, be connected with detection signal input with display, input keyboard, detection signal output respectively; Display is dynamic digital tube display; Input keyboard is user's input keyboard, for switching detected wire; Detection signal is output as output signal latch cicuit, and for exporting test level signal, it is connected with one end of detected wire; Detection signal is input as test level signal deteching circuit, and it is connected with the other end of detected wire, for receiving the test level signal on detected wire.
Described detection signal output and detection signal input all comprise a plurality of ports, wherein: each port of detection signal output is connected with the corresponding ports of detection signal input by a detected wire respectively, with this, realizes many detected wires are carried out to fast detecting.
Described master controller adopts AT89S52 single-chip microcomputer, and it can provide 32 programmable I/O mouths.
Described display adopts four sections of common anode utmost point charactron dynamic scan display circuits.
Described input keyboard adopts a plurality of non-self-locking touch-switchs.
Described input keyboard comprises: add key, Substract key and reset key.
Described detection signal output adopts three 74LS373 latchs to realize the transmission that detects level.
Described detection signal input adopts three 74LS373 latchs to realize the reception that detects level.
The intelligent aircraft wire high speed detector based on microprocessor that the utility model provides can be realized the fast detecting to aircraft wire on off operating mode, and by result simply, show intuitively, thereby improve engineering maintenance efficiency, there is obvious actual application value, can widespread use popularization.
The beneficial effects of the utility model are, can to each mobile system line fault of aircraft, carry out on-the site analysis and test fast, show the break-make situation between wire accurate and visually, judgement wire state.Greatly improve efficiency and the accuracy of engineering maintenance, avoided the wire life-span that the wrong dismounting in maintenance job causes to reduce problem simultaneously.
Accompanying drawing explanation
The hardware structure diagram of the intelligent aircraft wire high speed detector based on microprocessor that Fig. 1 provides for the utility model.
The hardware circuit diagram of the intelligent aircraft wire high speed detector based on microprocessor that Fig. 2 provides for the utility model.
Fig. 3 is the minimum system circuit diagram of microcontroller chip in this detecting device.
Fig. 4 is key scan partial circuit figure in this detecting device.
Fig. 5 is charactron display section circuit diagram in this detecting device.
Embodiment
The intelligent aircraft wire high speed detector based on microprocessor the utility model being provided below in conjunction with the drawings and specific embodiments is elaborated.
As shown in Figure 1, the intelligent aircraft wire high speed detector based on microprocessor that the utility model provides comprises: master controller 1, display 2, input keyboard 3, detection signal output 4 and detection signal input 5; Wherein: master controller 1 is microcontroller chip, its control core that is this device, for realizing, button detects, charactron dynamically shows, sends detection level and read four functions such as detecting level; It is connected with display 2, input keyboard 3, detection signal output 4 and detection signal input 5 respectively; Display 2 is dynamic digital tube display; Input keyboard 3 is user's input keyboard, for realizing the function of switching detected wire; Detection signal output 4 is output signal latch cicuit, and for exporting test level signal, it is connected with one end of detected wire 6; Detection signal input 5 is test level signal deteching circuit, and it is connected with the other end of detected wire 6, for receiving the test level signal on detected wire 6.
Described detection signal output 4 and detection signal input 5 all comprise a plurality of ports, wherein: each port of detection signal output 4 is connected with the corresponding ports of detection signal input 5 by a detected wire 6 respectively, with this, realizes many detected wires 6 are carried out to fast detecting.
Described master controller 1 adopts AT89S52 single-chip microcomputer, and it can provide 32 programmable I/O mouths.
Described display 2 adopts four sections of common anode utmost point charactron dynamic scan display circuits.
Described input keyboard 3 adopts a plurality of non-self-locking touch-switchs.
Described input keyboard 3 comprises: add key, Substract key and reset key,
Described detection signal output 4 adopts three 74LS373 latchs to realize the transmission that detects level.
Described detection signal input 5 adopts three 74LS373 latchs to realize the reception that detects level.
As Figure 2-Figure 5, by six 74LS373 latch U1-U6, formed.
What the Enable Pin OE of each latch directly controlled latch U1-U3 by single-chip microcomputer P3 mouth latchs termination Vcc, and latching after end is connected of latch U4-U6 connects single-chip microcomputer P3.7 mouth.
Output terminal Q0-Q7 of latch U1-U3 is connected with single-chip microcomputer P1 mouth successively; Input end Q0-Q7 of latch U4-U6 is connected successively, is also connected to single-chip microcomputer P1 mouth.
During work, single-chip microcomputer P1 mouth sends and detects level signal, after latch U4-U6, deposit, latch output level exports the input end of latch U1-U3 to through detected wire 6, the chip enable signal of controlling latch U1-U3 reads single-chip microcomputer P1 mouth numerical value, to judge which root wire communicates with detected wire 6.
As shown in Figure 3, single-chip minimum system adopts 11.0592MHz quartz oscillator, in order to carry out internal processes instruction, and EA termination Vcc.During crystal oscillator work, RST pin continues 2 machine cycle high level makes monolithic processor resetting.Single chip computer AT 89S52 has one for forming the high-gain inverting amplifier of internal oscillator, and pin XTAL1 and XTAL2 are respectively input end and the output terminals of this amplifier.This amplifier forms self-excited oscillator together with quartz crystal outside sheet as feedback element or ceramic resonator.The backfeed loop that external quartz crystal (or ceramic resonator) and capacitor C 1, C2 are connected on amplifier forms parallel oscillatory circuit.Here electric capacity is used 30pF ± 10pF.
As shown in Figure 4, button inputting circuits adopts two non-self-locking touch-switchs, for the output of control signal.Button connects single-chip microcomputer P0.4 and P0.5 two road ports, common end grounding.When button is pressed, single-chip microcomputer corresponding port level is dragged down, and two-way I/O mouth signal in the scan round of internal clocking control single chip computer, carries out command adapted thereto.
As shown in Figure 5, digital pipe display circuit adopts four common anode utmost point charactrons, and charactron adopts the additional radix point dp end of seven piece of digital display packings.Light-emitting diodes tube anode in common anode utmost point charactron is connected to com end, and negative electrode exports a to g and dp end to.When hardware circuit connects, com end (i.e. D end in figure) high level is effective, and Duan Xuanduan a is to g and dp Low level effective.After the position choosing end of charactron drives by 9015PNP triode, connect respectively P0.0-P0.3 mouth of single-chip microcomputer, and each digital pipeline section choosing end connects the P2 mouth of single-chip microcomputer after 1K exclusion current limliting.By the scan round of single-chip microcomputer timer internal, realize dynamically and showing.
The intelligent aircraft wire high speed detector based on microprocessor that the utility model provides is when measuring, user is connected one end of each wire in the detected wire 6 that comprises many wires with each port of detection signal output 4, the other end is connected with the corresponding ports of detection signal input 5, now, display 2 shows 0000, represents state to be detected; During add key on pressing input keyboard 3, the demonstration of two, left side is the number of detected wire 6, the wire number that the demonstration of two, right side communicates with it.When pressing Substract key, return to the detected state of a upper wire.During by reset key instantly, get back to initial detecting state, charactron shows 0000.
Claims (8)
1. the intelligent aircraft wire high speed detector based on microprocessor, is characterized in that: the described intelligent aircraft wire high speed detector based on microprocessor comprises: master controller (1), display (2), input keyboard (3), detection signal output (4) and detection signal input (5); Wherein: master controller (1) is microcontroller chip, it is the control core of this device, be used for realizing that button detects, charactron dynamically shows, sends and detect level and read detection level, input (5) with display (2), input keyboard (3), detection signal output (4) and detection signal respectively and be connected; Display (2) is dynamic digital tube display; Input keyboard (3) is user's input keyboard, for switching detected wire; Detection signal output (4) is output signal latch cicuit, and for exporting test level signal, it is connected with the one end of detected wire (6); Detection signal input (5) is test level signal deteching circuit, and it is connected with the other end of detected wire (6), for receiving the test level signal on detected wire (6).
2. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, it is characterized in that: described detection signal output (4) and detection signal input (5) all comprise a plurality of ports, wherein: each port of detection signal output (4) is connected with the corresponding ports of detection signal input (5) by a detected wire (6) respectively, with this, realizes many detected wires (6) are carried out to fast detecting.
3. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, is characterized in that: described master controller (1) adopts AT89S52 single-chip microcomputer, and it can provide 32 programmable I/O mouths.
4. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, is characterized in that: described display (2) adopts four sections of common anode utmost point charactron dynamic scan display circuits.
5. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, is characterized in that: described input keyboard (3) adopts a plurality of non-self-locking touch-switchs.
6. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, is characterized in that: described input keyboard (3) comprising: add key, Substract key and reset key.
7. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, is characterized in that: described detection signal output (4) adopts three 74LS373 latchs to realize the transmission that detects level.
8. the intelligent aircraft wire high speed detector based on microprocessor according to claim 1, is characterized in that: described detection signal input (5) adopts three 74LS373 latchs to realize the reception that detects level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420162496.8U CN203786240U (en) | 2014-04-04 | 2014-04-04 | Intelligent airplane conducting wire rapid detector based on microprocessor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420162496.8U CN203786240U (en) | 2014-04-04 | 2014-04-04 | Intelligent airplane conducting wire rapid detector based on microprocessor |
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| CN203786240U true CN203786240U (en) | 2014-08-20 |
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| CN201420162496.8U Expired - Fee Related CN203786240U (en) | 2014-04-04 | 2014-04-04 | Intelligent airplane conducting wire rapid detector based on microprocessor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193978A (en) * | 2020-09-02 | 2022-03-18 | 北京多贝力轮胎有限公司 | Engineering machinery tire abrasion sensor and engineering machinery tire |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193978A (en) * | 2020-09-02 | 2022-03-18 | 北京多贝力轮胎有限公司 | Engineering machinery tire abrasion sensor and engineering machinery tire |
| CN114193978B (en) * | 2020-09-02 | 2024-05-28 | 北京多贝力轮胎有限公司 | Engineering machinery tyre abrasion sensor and engineering machinery tyre |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150404 |
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| EXPY | Termination of patent right or utility model |