CN208506974U - A kind of wagon detector - Google Patents
A kind of wagon detector Download PDFInfo
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- CN208506974U CN208506974U CN201821162411.0U CN201821162411U CN208506974U CN 208506974 U CN208506974 U CN 208506974U CN 201821162411 U CN201821162411 U CN 201821162411U CN 208506974 U CN208506974 U CN 208506974U
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Abstract
The utility model discloses a kind of wagon detectors, it includes the toroidal inductor L (1) being embedded in below roadside, LC oscillating circuit (2), filter circuit (3), amplifying circuit (4), shaping circuit (5), single-chip microcontroller (6), display circuit (7), the toroidal inductor L (1), LC oscillating circuit (2), filter circuit (3), amplifying circuit (4), shaping circuit (5), single-chip microcontroller (6), display circuit (7) is sequentially connected electrically, when vehicle through (1) toroidal inductor L being embedded in below roadside, LC oscillating circuit (2) generates electric current, the electric current amplifies through amplifying circuit (3), filter circuit (4) filtering, single-chip microcontroller (6) are given in output after shaping circuit (5) shaping, output signal after single-chip microcontroller (6) processing It is shown to display circuit (7).The utility model manufacturing cost is low, structure is simple, safe and reliable, installation and debugging are convenient, environment influences small, precision height.
Description
Technical field
The utility model relates to technical field of automotive electronics, in particular to a kind of wagon detector.
Background technique
With nowadays economic rapid development, intelligent transportation is quietly risen in the major small city in China, as friendship
The vehicle of one important component of logical information collection adds survey device, increasingly by the concern of insider.Vehicle inspection
Survey device with motor vehicles be detection target, detect vehicle pass through or the data such as existence, mentioned for intelligent traffic control system
For enough information to carry out optimal control.There are many existing wagon detector classification, but mainly with coil type vehicle
Detector, microwave vehicle detector, based on video detector.
Relative to the coil type vehicle detecting system generally used now, traditional microwave vehicle detector and video detection
There are more shortcomings for device.All there is more unreasonable ground in the principle of magnetic frequency detector and mechanical piezoelectric detector furthermore
Side.Wave frequency wagon detector is mostly suspension type detection architecture, using microwave, ultrasonic wave and infrared ray etc. to vehicle emissions electromagnetic wave
Device is examined to the vehicle of Data Detection after reflection, testing principle is firm according to whole vehicles hypothesis one of given area
Vehicle commander, via detect the entrance of the vehicle in projection area with when separation process between calculate speed.The disadvantage is that
Wagon flow congestion and vehicle is more, the interrupted section of vehicle driving, measurement accuracy will receive large effect.In addition, microwave
Detector requires biggish space and mounting height, therefore is not suitable for being detected in bridge, grade separation, overhead section, price
It is relatively expensive.
Video-based vehicle detection is to configure detection zone in video scope using video camera as sensor, vehicle into
So that entourage gray value is generated large change when entering detection zone, to learn the presence of vehicle, and with this detect vehicle flow and
Rate.Disadvantage is that placement debugging it is arduous, cost is relatively high, compare it is easily affected by environment, such as: severe gas
It waits, the dynamic shadow that can also receive automobile dynamic shadow bring magnetic wave interference light automobile, which is also brought along, creates disturbances to, especially in evening
Upper rate of false alarm is high.
In view of this, special propose the utility model, to correct above-mentioned the deficiencies in the prior art place.
Utility model content
For the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a kind of wagon detector, the vehicles
Detector manufacturing cost is low, structure is simple, safe and reliable, installation and debugging are convenient, environment influences small, and precision is high.
In order to solve the above-mentioned technical problem, the utility model provides a kind of wagon detector comprising is embedded in road
Toroidal inductor L, LC oscillating circuit, filter circuit, amplifying circuit, shaping circuit, single-chip microcontroller, display electricity below along the line
Road, toroidal inductor L, LC oscillating circuit, filter circuit, amplifying circuit, shaping circuit, single-chip microcontroller, display circuit according to
Secondary electrical connection, when vehicle passes through the toroidal inductor L being embedded in below roadside, LC oscillating circuit generates electric current, should
Electric current amplifies through amplifying circuit, filter circuit filters, output is defeated after the single-chip microcontroller processing to single-chip microcontroller after shaping circuit shaping
Signal is shown to display circuit out.
Further improvement of the utility model is, the LC oscillating circuit include coupling transformer T, zener diode D1 extremely
D4, resistance R1 to R4, capacitor C1 to C3, PNP type triode Q1, the filter circuit include operational amplifier U1, resistance R5 extremely
R9, capacitor C4 to C5, the amplifying circuit include operational amplifier U2 to U4, resistance R10 to R18, and the shaping circuit includes
Operational amplifier U5, resistance R19 to R20, the display circuit include charactron, resistance R22 to R29；The toroidal inductive line
The one end for enclosing L is connect with the pin 1 of the cathode of zener diode D4, coupling transformer T simultaneously, the toroidal inductor L's
The other end is connect with one end of capacitor C3, and the anode of the zener diode D4 is connect with the anode of zener diode D3, described
The other end of capacitor C3, the cathode of zener diode D3, coupling transformer T pin 2 connect ground terminal, the coupling transformation simultaneously
The pin 3 of device T is connected to the cathode of zener diode D1, the collector of PNP type triode Q1, one end of capacitor C2, electricity simultaneously
One end of R4 is hindered, the anode of the zener diode D1 is connect with the cathode of zener diode D2, the zener diode D2's
Anode, the pin 4 of coupling transformer T, resistance R1 one end simultaneously be connected to ground terminal, the other end of the resistance R1 connects simultaneously
To one end of resistance R2, the base stage of PNP type triode Q1, the emitter of the PNP type triode Q1 is connected to capacitor C2 simultaneously
The other end, one end of capacitor C1, resistance R3 one end, the other end of the resistance R2, the other end of resistance R3 connect simultaneously
To power end, the other end of the capacitor C1 is connected to ground terminal；The other end of the resistance R4 is connected to one end of R5, the R5
The other end be connected to simultaneously one end of capacitor C4, one end of resistance R7, capacitor C5 one end, the other end of the capacitor C5 is same
When be connected to one end of resistance R6, the pin 3 of operational amplifier U1, the pin 3 of the operational amplifier U1 is connected to power end,
The pin 2 of the operational amplifier U1 is connected to one end of resistance R8, one end of resistance R9, the other end of the resistance R7 simultaneously
It is connected to one end of the pin 6 of operational amplifier U1, the other end of resistance R9, resistance R10 simultaneously, the capacitor C4's is another
End, the pin 4 of the other end of resistance R6, operational amplifier U1, resistance R8 the other end be connected to ground terminal simultaneously；The resistance
The other end of R10 is connected to the pin 3 of operational amplifier U2, and the pin 2 of the operational amplifier U2 is connected to the one of resistance R11
End, resistance R14 one end, the other end of the resistance R14 be connected to simultaneously the pin 6 of operational amplifier U2, resistance R15 one
The other end at end, the resistance R15 is connected to one end of resistance R16, the pin 3 of operational amplifier U4, the resistance R11 simultaneously
The other end be connected to one end of resistance R12, the pin 2 of operational amplifier U3 simultaneously, the pin 3 of the operational amplifier U3 connects
It is connected to one end of resistance R18, the other end of the resistance R12 is connected to the pin 6 of operational amplifier U3, resistance R13 simultaneously
The other end of one end, the resistance R13 is connected to one end of resistance R17, the pin 2 of operational amplifier U4, the resistance simultaneously
The other end of R17 is connected to the pin 6 of operational amplifier U4, one end of resistance R19, the pin of the operational amplifier U2 simultaneously
7, the pin 7 of operational amplifier U3, the pin 7 of operational amplifier U4, resistance R18 the other end simultaneously be connected to power end, institute
State the other end of the pin 4 of operational amplifier U2, the pin 4 of operational amplifier U3, the pin 4 of operational amplifier U4, resistance R16
It is connected to ground terminal simultaneously；The other end of the resistance R19 is connected to the pin 2 of operational amplifier U5, the operational amplifier U5
Pin 3 be connected to one end of resistance R20, the pin 7 of the operational amplifier U5 is connected to power end, the operational amplifier
The pin 4 of U5, the other end of resistance R20 are connected to ground terminal simultaneously, and the pin 6 of the operational amplifier U5 is connected to single-chip microcontroller U6
Pin 12；The pin A of the charactron is connected to the pin 39 of single-chip microcontroller U6, one end of resistance R29, the charactron simultaneously
Pin B be connected to the pin 38 of single-chip microcontroller U6, one end of resistance R28 simultaneously, the pin C of the charactron is connected to list simultaneously
One end of the pin 37 of piece machine U6, resistance R27, the pin D of the charactron are connected to pin 36, the resistance of single-chip microcontroller U6 simultaneously
The pin E of one end of R26, the charactron is connected to the pin 35 of single-chip microcontroller U6, one end of resistance R25, the number simultaneously
The pin F of pipe is connected to the pin 34 of single-chip microcontroller U6, one end of resistance R24 simultaneously, and the pin G of the charactron is connected to simultaneously
One end of the pin 33 of single-chip microcontroller U6, resistance R23, the pin DP of the charactron be connected to simultaneously the pin 32 of single-chip microcontroller U6,
One end of resistance R22, the other end of the resistance R22, the other end of resistance R23, the other end of resistance R24, resistance R25 it is another
One end, the other end of resistance R26, the other end of resistance R27, the other end of resistance R28, resistance R29 the other end connect simultaneously
To power end, the pin 1 of the charactron is connected to the pin 21 of single-chip microcontroller U6, the pin 2 of charactron is connected to single-chip microcontroller U6
Pin 22, charactron pin 3 be connected to the pin 23 of single-chip microcontroller U6, the pin 4 of charactron is connected to drawing for single-chip microcontroller U6
Foot 24.
Further improvement of the utility model is that the operational amplifier U1 uses AD8001 operational amplifier.
Further improvement of the utility model is that the operational amplifier U2 to U4 uses AD8407 operational amplifier.
Further improvement of the utility model is that the operational amplifier U5 uses AD811 operational amplifier.
Further improvement of the utility model is that the single-chip microcontroller U6 uses AT89S51 single-chip microcontroller.
Compared to the prior art, the utility model includes toroidal inductor L, LC oscillation being embedded in below roadside
Circuit, filter circuit, amplifying circuit, shaping circuit, single-chip microcontroller, display circuit, toroidal inductor L, LC oscillating circuit,
Filter circuit, amplifying circuit, shaping circuit, single-chip microcontroller, display circuit are sequentially connected electrically, when vehicle is by being embedded in roadside
When following toroidal inductor L, LC oscillating circuit generates electric current, which amplifies through amplifying circuit, filter circuit filtering, whole
Output outputs signal to display circuit after the single-chip microcontroller processing and shows to single-chip microcontroller after shape circuit shaping.The utility model system
Make that at low cost, structure is simple, safe and reliable, installation and debugging are convenient, environment influences small, precision is high.
Detailed description of the invention
Fig. 1 is the principles of the present invention structural block diagram;
Fig. 2 is the circuit diagram of the utility model.
The names of the parts are as follows in figure:
1-toroidal inductor L;
2-LC oscillating circuits;
3-filter circuits;
4-amplifying circuits;
5-shaping circuits;
6-single-chip microcontrollers;
7-display circuits.
Specific embodiment
The present invention will be further described for explanation and specific embodiment with reference to the accompanying drawing, similar element in attached drawing
Label represents similar element.
As shown in Figure 1, the wagon detector of the utility model comprising the toroidal inductive line being embedded in below roadside
Enclose L1, LC oscillating circuit 2, filter circuit 3, amplifying circuit 4, shaping circuit 5, single-chip microcontroller 6, display circuit 7, the toroidal inductive
Coil L1, LC oscillating circuit 2, filter circuit 3, amplifying circuit 4, shaping circuit 5, single-chip microcontroller 6, display circuit 7 are sequentially connected electrically,
When vehicle passes through the toroidal inductor L1 being embedded in below roadside, LC oscillating circuit 2 generates electric current, and the electric current is through putting
Output exports after handling to single-chip microcontroller 6, the single-chip microcontroller 6 after the big amplification of circuit 3, the filtering of filter circuit 4,5 shaping of shaping circuit
Signal is shown to display circuit 7.
Specifically, as shown in Fig. 2, the LC oscillating circuit 2 includes coupling transformer T, zener diode D1 to D4, resistance
R1 to R4, capacitor C1 to C3, PNP type triode Q1, the filter circuit 3 include operational amplifier U1, resistance R5 to R9, capacitor
C4 to C5, the amplifying circuit 4 include operational amplifier U2 to U4, resistance R10 to R18, and the shaping circuit 5 is put including operation
Big device U5, resistance R19 to R20, the display circuit 7 include charactron, resistance R22 to R29；The toroidal inductor L's
One end is connect with the pin 1 of the cathode of zener diode D4, coupling transformer T simultaneously, the other end of the toroidal inductor L
It is connect with one end of capacitor C3, the anode of the zener diode D4 is connect with the anode of zener diode D3, the capacitor C3
The other end, the cathode of zener diode D3, coupling transformer T pin 2 connect ground terminal simultaneously, the coupling transformer T's
Pin 3 is connected to the cathode of zener diode D1, the collector of PNP type triode Q1, one end of capacitor C2, resistance R4 simultaneously
The anode of one end, the zener diode D1 is connect with the cathode of zener diode D2, anode, the coupling of the zener diode D2
One end of the pin 4, resistance R1 that close transformer T is connected to ground terminal simultaneously, and the other end of the resistance R1 is connected to resistance simultaneously
One end of R2, PNP type triode Q1 base stage, the emitter of the PNP type triode Q1 is connected to the another of capacitor C2 simultaneously
End, one end of capacitor C1, resistance R3 one end, the other end of the resistance R2, resistance R3 the other end be connected to power supply simultaneously
End, the other end of the capacitor C1 are connected to ground terminal；The other end of the resistance R4 is connected to one end of R5, and the R5's is another
End at the same be connected to one end of capacitor C4, one end of resistance R7, capacitor C5 one end, the other end of the capacitor C5 connects simultaneously
To one end of resistance R6, the pin 3 of operational amplifier U1, the pin 3 of the operational amplifier U1 is connected to power end, the fortune
The pin 2 for calculating amplifier U1 is connected to one end of resistance R8, one end of resistance R9 simultaneously, and the other end of the resistance R7 connects simultaneously
It is connected to one end of the pin 6 of operational amplifier U1, the other end of resistance R9, resistance R10, the other end, the resistance of the capacitor C4
The other end of R6, the pin 4 of operational amplifier U1, resistance R8 the other end be connected to ground terminal simultaneously；The resistance R10's is another
End is connected to the pin 3 of operational amplifier U2, and the pin 2 of the operational amplifier U2 is connected to one end of resistance R11, resistance
The other end of one end of R14, the resistance R14 is connected to the pin 6 of operational amplifier U2, one end of resistance R15 simultaneously, described
The other end of resistance R15 is connected to one end of resistance R16, the pin 3 of operational amplifier U4 simultaneously, and the resistance R11's is another
End while the pin 2 for being connected to one end of resistance R12, operational amplifier U3, the pin 3 of the operational amplifier U3 are connected to electricity
One end of R18 is hindered, the other end of the resistance R12 is connected to the pin 6 of operational amplifier U3, one end of resistance R13, institute simultaneously
It states the other end of resistance R13 while being connected to the pin 2 of one end of resistance R17, operational amplifier U4, the resistance R17's is another
One end is connected to the pin 6 of operational amplifier U4, one end of resistance R19, the pin 7 of the operational amplifier U2, operation simultaneously
The pin 7 of amplifier U3, the pin 7 of operational amplifier U4, resistance R18 the other end be connected to power end, the operation simultaneously
The pin 4 of amplifier U2, the pin 4 of operational amplifier U3, the pin 4 of operational amplifier U4, resistance R16 the other end connect simultaneously
It is connected to ground terminal；The other end of the resistance R19 is connected to the pin 2 of operational amplifier U5, the pin 3 of the operational amplifier U5
It is connected to one end of resistance R20, the pin 7 of the operational amplifier U5 is connected to power end, and the operational amplifier U5's draws
Foot 4, resistance R20 the other end simultaneously be connected to ground terminal, the pin 6 of the operational amplifier U5 is connected to the pin of single-chip microcontroller U6
12；The pin A of the charactron is connected to the pin 39 of single-chip microcontroller U6, one end of resistance R29, the pin of the charactron simultaneously
B is connected to the pin 38 of single-chip microcontroller U6, one end of resistance R28 simultaneously, and the pin C of the charactron is connected to single-chip microcontroller U6 simultaneously
Pin 37, resistance R27 one end, the pin D of the charactron is connected to the pin 36 of single-chip microcontroller U6, resistance R26 simultaneously
The pin E of one end, the charactron is connected to the pin 35 of single-chip microcontroller U6, one end of resistance R25 simultaneously, and the charactron draws
Foot F is connected to the pin 34 of single-chip microcontroller U6, one end of resistance R24 simultaneously, and the pin G of the charactron is connected to single-chip microcontroller simultaneously
One end of the pin 33 of U6, resistance R23, the pin DP of the charactron are connected to pin 32, the resistance R22 of single-chip microcontroller U6 simultaneously
One end, the other end of the resistance R22, the other end of resistance R23, the other end of resistance R24, resistance R25 the other end, electricity
The resistance other end of R26, the other end of resistance R27, the other end of resistance R28, resistance R29 the other end be connected to power supply simultaneously
End, the pin 1 of the charactron is connected to the pin 21 of single-chip microcontroller U6, the pin 2 of charactron is connected to the pin of single-chip microcontroller U6
22, the pin 3 of charactron is connected to the pin 23 of single-chip microcontroller U6, the pin 4 of charactron is connected to the pin 24 of single-chip microcontroller U6.
Specifically, as shown in Fig. 2, the operational amplifier U1 uses AD8001 operational amplifier.The operational amplifier
U2 to U4 uses AD8407 operational amplifier.The operational amplifier U5 uses AD811 operational amplifier.The single-chip microcontroller U6
Using AT89S51 single-chip microcontroller.
Working principle of the utility model is: when vehicle passes through the toroidal inductor L1 being embedded in below roadside,
LC oscillating circuit 2 generates electric current, which amplifies through amplifying circuit 3, filter circuit 4 filters, exports and gives after 5 shaping of shaping circuit
Single-chip microcontroller 6, the single-chip microcontroller 6 output signal to the display of display circuit 7 after handling.
The utility model has the advantage of, the utility model include be embedded in toroidal inductor L below roadside,
LC oscillating circuit, filter circuit, amplifying circuit, shaping circuit, single-chip microcontroller, display circuit, toroidal inductor L, LC vibration
It swings circuit, filter circuit, amplifying circuit, shaping circuit, single-chip microcontroller, display circuit to be sequentially connected electrically, when vehicle is by being embedded in
When toroidal inductor L below roadside, LC oscillating circuit generates electric current, which amplifies through amplifying circuit, filtered electrical
Output outputs signal to display circuit after the single-chip microcontroller processing and shows to single-chip microcontroller after road filtering, shaping circuit shaping.This reality
With novel manufacturing cost is low, structure is simple, safe and reliable, installation and debugging are convenient, environment influences small, precision height.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (6)
1. a kind of wagon detector, it is characterised in that: it includes toroidal inductor L (1), the LC being embedded in below roadside
Oscillating circuit (2), filter circuit (3), amplifying circuit (4), shaping circuit (5), single-chip microcontroller (6), display circuit (7), the ring
Shape induction coil L (1), it LC oscillating circuit (2), filter circuit (3), amplifying circuit (4), shaping circuit (5), single-chip microcontroller (6), shows
Show that circuit (7) is sequentially connected electrically, when vehicle through (1) toroidal inductor L being embedded in below roadside, LC oscillation electricity
Road (2) generates electric current, which amplifies through amplifying circuit (4), filter circuit (3) filters, exports and gives after shaping circuit (5) shaping
Single-chip microcontroller (6) outputs signal to display circuit (7) display after single-chip microcontroller (6) processing.
2. wagon detector according to claim 1, it is characterised in that: the LC oscillating circuit (2) includes coupling transformation
Device T, zener diode D1 to D4, resistance R1 to R4, capacitor C1 to C3, PNP type triode Q1, the filter circuit (3) include
Operational amplifier U1, resistance R5 to R9, capacitor C4 to C5, the amplifying circuit (4) includes operational amplifier U2 to U4, resistance
R10 to R18, the shaping circuit (5) include operational amplifier U5, resistance R19 to R20, and the display circuit (7) includes number
Pipe, resistance R22 to R29；One end of the toroidal inductor L simultaneously with the cathode of zener diode D4, coupling transformer T
Pin 1 connects, and the other end of the toroidal inductor L is connect with one end of capacitor C3, the anode of the zener diode D4
It is connect with the anode of zener diode D3, the other end of the capacitor C3, the cathode of zener diode D3, coupling transformer T
Pin 2 connects ground terminal simultaneously, and the pin 3 of the coupling transformer T is connected to cathode, the positive-negative-positive three of zener diode D1 simultaneously
The collector of pole pipe Q1, one end of capacitor C2, resistance R4 one end, the anode of the zener diode D1 and zener diode D2
Cathode connection, the anode of the zener diode D2, the pin 4 of coupling transformer T, resistance R1 one end be connected to the ground simultaneously
The other end at end, the resistance R1 is connected to one end of resistance R2, the base stage of PNP type triode Q1, three pole of positive-negative-positive simultaneously
The emitter of pipe Q1 is connected to one end of the other end of capacitor C2, one end of capacitor C1, resistance R3 simultaneously, and the resistance R2's is another
One end, resistance R3 the other end simultaneously be connected to power end, the other end of the capacitor C1 is connected to ground terminal；The resistance R4's
The other end is connected to one end of R5, and the other end of the R5 is connected to one end of capacitor C4, one end of resistance R7, capacitor C5 simultaneously
One end, the other end of the capacitor C5 is connected to one end of resistance R6, the pin 3 of operational amplifier U1, the operation simultaneously
The pin 3 of amplifier U1 is connected to power end, and the pin 2 of the operational amplifier U1 is connected to one end, the electricity of resistance R8 simultaneously
One end of R9 is hindered, the other end of the resistance R7 is connected to the pin 6 of operational amplifier U1, the other end of resistance R9, electricity simultaneously
Hinder R10 one end, the other end of the capacitor C4, the other end of resistance R6, the pin 4 of operational amplifier U1, resistance R8 it is another
One end is connected to ground terminal simultaneously；The other end of the resistance R10 is connected to the pin 3 of operational amplifier U2, the operation amplifier
The pin 2 of device U2 is connected to one end of one end of resistance R11, resistance R14, and the other end of the resistance R14 is connected to fortune simultaneously
The pin 6 of amplifier U2, one end of resistance R15 are calculated, the other end of the resistance R15 is connected to one end of resistance R16, fortune simultaneously
Calculate the pin 3 of amplifier U4, the other end of the resistance R11 is connected to one end of resistance R12 simultaneously, operational amplifier U3 draws
Foot 2, the pin 3 of the operational amplifier U3 are connected to one end of resistance R18, and the other end of the resistance R12 is connected to simultaneously
One end of the pin 6 of operational amplifier U3, resistance R13, the other end of the resistance R13 be connected to simultaneously one end of resistance R17,
The pin 2 of operational amplifier U4, the other end of the resistance R17 are connected to pin 6, the resistance R19 of operational amplifier U4 simultaneously
One end, the pin 7 of the operational amplifier U2, the pin 7 of operational amplifier U3, operational amplifier U4 pin 7, resistance
The other end of R18 is connected to power end, pin 4, the pin 4 of operational amplifier U3, operation of the operational amplifier U2 simultaneously
The pin 4 of amplifier U4, the other end of resistance R16 are connected to ground terminal simultaneously；The other end of the resistance R19 is connected to operation and puts
The pin 2 of big device U5, the pin 3 of the operational amplifier U5 are connected to one end of resistance R20, and the operational amplifier U5's draws
Foot 7 is connected to power end, and the pin 4 of the operational amplifier U5, the other end of resistance R20 are connected to ground terminal, the fortune simultaneously
The pin 6 for calculating amplifier U5 is connected to the pin 12 of single-chip microcontroller U6；The pin A of the charactron is connected to single-chip microcontroller U6's simultaneously
One end of pin 39, resistance R29, the pin B of the charactron be connected to simultaneously the pin 38 of single-chip microcontroller U6, resistance R28 one
The pin C at end, the charactron is connected to the pin 37 of single-chip microcontroller U6, one end of resistance R27, the pin of the charactron simultaneously
D is connected to the pin 36 of single-chip microcontroller U6, one end of resistance R26 simultaneously, and the pin E of the charactron is connected to single-chip microcontroller U6 simultaneously
Pin 35, resistance R25 one end, the pin F of the charactron is connected to the pin 34 of single-chip microcontroller U6, resistance R24 simultaneously
The pin G of one end, the charactron is connected to the pin 33 of single-chip microcontroller U6, one end of resistance R23 simultaneously, and the charactron draws
Foot DP is connected to the pin 32 of single-chip microcontroller U6, one end of resistance R22 simultaneously, the other end of the resistance R22, resistance R23 it is another
One end, the other end of resistance R24, the other end of resistance R25, the other end of resistance R26, the other end of resistance R27, resistance R28
The other end, resistance R29 the other end simultaneously be connected to power end, the pin 1 of the charactron is connected to drawing for single-chip microcontroller U6
Foot 21, charactron pin 2 be connected to the pin 22 of single-chip microcontroller U6, the pin 3 of charactron be connected to single-chip microcontroller U6 pin 23,
The pin 4 of charactron is connected to the pin 24 of single-chip microcontroller U6.
3. wagon detector according to claim 2, it is characterised in that: the operational amplifier U1 uses AD8001 operation
Amplifier.
4. wagon detector according to claim 2, it is characterised in that: the operational amplifier U2 to U4 is used
AD8407 operational amplifier.
5. wagon detector according to claim 2, it is characterised in that: the operational amplifier U5 uses AD811 operation
Amplifier.
6. wagon detector according to claim 2, it is characterised in that: the single-chip microcontroller U6 uses AT89S51 single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162411.0U CN208506974U (en) | 2018-07-21 | 2018-07-21 | A kind of wagon detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162411.0U CN208506974U (en) | 2018-07-21 | 2018-07-21 | A kind of wagon detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506974U true CN208506974U (en) | 2019-02-15 |
Family
ID=65289780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821162411.0U Expired - Fee Related CN208506974U (en) | 2018-07-21 | 2018-07-21 | A kind of wagon detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506974U (en) |
-
2018
- 2018-07-21 CN CN201821162411.0U patent/CN208506974U/en not_active Expired - Fee Related
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