CN104007359A - Multifunctional noiseless line tracking device - Google Patents
Multifunctional noiseless line tracking device Download PDFInfo
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- CN104007359A CN104007359A CN201410267237.6A CN201410267237A CN104007359A CN 104007359 A CN104007359 A CN 104007359A CN 201410267237 A CN201410267237 A CN 201410267237A CN 104007359 A CN104007359 A CN 104007359A
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Abstract
The invention provides a multifunctional noiseless line tracking device. An emitter comprises a first center processing module, a signal generation module, a first amplifying module, an emission interface module, an alignment decoding module and a first alignment indication circuit. A master frequency signal generated by the signal generation module is processed by the first center processing module and amplified through the first amplifying module to form an amplified signal which is emitted through a wire connected with the emission interface module; a receiver comprises a signal receiving module, a second amplifying module, an analog-digital conversion module, a second center processing module, an audio signal generation module, an indicator, a receiving interface module and a second alignment indication circuit, the amplified signal is received by the signal receiving module, amplified through the second amplifying module and converted into a digital signal through the analog-digital conversion module, the digital signal is analyzed and processed by the second center processing module, and a control instruction is sent to the audio signal generation module to form an audio signal to be indicated by the indicator. The multifunctional noiseless line tracking device is multifunctional, frequency of received signals is single, interference resistance is strong, and the receiver has no noise.
Description
Technical field
The present invention relates to network hunting field, particularly a kind of multi-usage noiselessness hunting device.
Background technology
Along with developing rapidly of network and the communications industry, network with communicate by letter into how much quantity and increase, the difficulty of wiring also further improves.Line finder, network tester become the indispensable instrument of searching cable in the various metallic circuit construction works such as network cable, the communications cable and daily servicing process.
But existing non-contact line haunting device function singleness, can only hunting, to circuit inner core path or open circuit and cannot judge whether; And network tester can only be tested whether path or open circuit of cable; The generator of non-contact line haunting device and receiver are all that what to adopt is sound signal, and what the receiving unit of receiver adopted is that metal probe induction receives, and has AC220, during the interference sources such as 50HZ near tested cable, receiver poor anti jamming capability, very easily be interfered, the signal receiving has multi-frequency, is in a mess, signal intensity is inadequate, use sound effect is not good enough, and sensitivity is not high and noise is large, thereby has increased the difficulty of detection operations.
Therefore, be necessary to provide a kind of multi-usage noiselessness hunting device to overcome above-mentioned defect.
Summary of the invention
For above-mentioned prior art, technical matters to be solved by this invention is to provide a kind of multi-usage noiselessness hunting device, this device purposes is many, to opening circuit, path can accurately judge, receiver reception signal frequency is single, and signal intensity is good, and antijamming capability is strong, use sound effect is good, highly sensitive and noiselessness.
In order to solve the problems of the technologies described above, the invention provides a kind of multi-usage noiselessness hunting device, comprise transmitter and receiver, described transmitter comprises the first central processing module, signal generating module, the first amplification module, transmission interface module, to line decoding module and first pair of line indicating circuit, the dominant frequency signal that described signal generating module produces single-frequency is amplified and is formed amplifying signal by described the first amplification module after described the first central processing module is processed, described the first amplification module is connected wire and is launched described amplifying signal by described wire by described transmission interface module, described the first central processing module is electrically connected to line decoding module with described, and described first pair of line indicating circuit is electrically connected to line decoding module and transmission interface module with described respectively, described receiver comprises signal receiving module, the second amplification module, analog-to-digital conversion module, the second central processing module, sound signal generation module, indicator, receiving interface module and second pair of line indicating circuit, described signal receiving module receives the described amplifying signal of described transmitter transmitting and delivers to after described the second amplification module amplifies and converts digital signal to by described analog-to-digital conversion module, described the second central processing module sends steering order to described sound signal generation module after receiving described digital signal and carrying out analyzing and processing confirmation, described sound signal generation module produces sound signal and indicates through described indicator, described receiving interface module and second pair of line indicating circuit are electrically connected to.
Further improvement of the present invention is, described signal generating module comprises that vibration produces circuit and shaping circuit, and described vibration produces the dominant frequency signal that circuit produces single-frequency and exports after described shaping circuit shaping.
Further improvement of the present invention is; described the first amplification module comprises the first amplifying circuit and second amplifying circuit in parallel with described the first amplifying circuit; the dominant frequency signal of described single-frequency amplifies and forms amplifying signal through described the first amplifying circuit, and described the first amplifying circuit is connected wire and launched described amplifying signal by described wire by described transmission interface module; Described the second amplifying circuit is electrically connected to zero line by described transmission interface module.
Further improvement of the present invention is that described signal receiving module adopts LC antiresonant circuit resonance to receive.
Further improvement of the present invention is that described the second amplification module comprises one-level amplifying circuit and second amplifying circuit; Described amplifying signal is output after described second amplifying circuit amplifies again after one-level amplifying circuit amplifies.
Further improvement of the present invention is that described the first central processing module adopts Single-chip Controlling, described to line decoding module employing LED driving chip.
Further improvement of the present invention is, described transmitter also comprises that switch selects circuit and running status indicating circuit, and described switch selects circuit and running status indicating circuit to be electrically connected to described the first central processing module respectively.
Further improvement of the present invention is, described receiver also wraps audio frequency amplification module and signal indicating circuit, and the sound signal that described sound signal generation module produces is indicated by described indicator after described audio frequency amplification module amplifies again; Described signal indicating circuit is electrically connected to described the second central processing module, and described signal indicating circuit is used to indicate the running status of described signal receiver.
Further improvement of the present invention is that described wire is coaxial cable, telephone wire, netting twine or other metallic cable; Described transmission interface module is RJ45 interface, RJ11 interface, bnc interface or USB interface.
Further improvement of the present invention is that described one-level amplifying circuit comprises an adjustable potentiometer.
Compared with prior art, the invention has the advantages that, the present invention not only has hunting function but also has line function and usage many, to opening circuit, path can accurately judge, adopt resonant circuit to receive, it is single that receiver receives signal frequency, signal intensity is good, antijamming capability is strong, uses sound effect good, highly sensitive and noiselessness.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of multi-usage noiselessness hunting device of the present invention;
Fig. 2 is the theory diagram of transmitter of the present invention;
Fig. 3 is the theory diagram of receiver of the present invention;
Fig. 4 is the radiating portion circuit diagram of transmitter of the present invention;
Fig. 5 be transmitter of the present invention to line partial circuit figure;
Fig. 6 is the receiving unit circuit diagram of receiver of the present invention;
Fig. 7 be receiver of the present invention to line partial circuit figure.
In figure, each component names is as follows:
100-transmitter;
The 101-the first central processing module;
102-signal generating module;
1021-vibration produces circuit;
1022-shaping circuit;
The 103-the first amplification module;
The 1031-the first amplifying circuit;
The 1032-the second amplifying circuit;
104-transmission interface module;
The 1041-the first conductor interface;
The 1042-the first zero line interface;
105-to line decoding module;
106-the first pair of line indicating circuit;
107-switch is selected circuit;
108-running status indicating circuit;
110-wire;
120-zero line;
200-receiver;
210-signal receiving module;
2101-LC antiresonant circuit;
The 220-the second amplification module;
2201-one-level amplifying circuit;
22011-adjustable potentiometer;
2202-second amplifying circuit;
230-analog-to-digital conversion module;
The 240-the second central processing module;
250-audio number generation module;
260-audio frequency amplification module;
270-indicator;
280-signal indicating circuit;
290-receiving interface module;
The 2901-the second conductor interface;
The 2902-the second zero line interface;
300-the second pair of line indicating circuit.
Embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the present invention is further described, and in accompanying drawing, similarly element numbers represents similar element.
As shown in Figure 1, multi-usage noiselessness hunting device of the present invention comprises transmitter 100 and receiver 200.
As shown in Figure 2, transmitter 100 of the present invention comprise the first central processing module 101, signal generating module 102, the first amplification module 103, transmission interface module 104, to line decoding module 105 and first pair of line indicating circuit 106; Described signal generating module 102 comprises that vibration produces circuit 1021 and shaping circuit 1022; described the first amplification module 103 comprises the first amplifying circuit 1031 and second amplifying circuit 1032 in parallel with described the first amplifying circuit 1031, and described transmission interface module 104 comprises the first conductor interface 1041 and the first zero line interface 1042; The dominant frequency signal that described vibration produces circuit 1021 generation single-frequency is delivered to described the first central processing module 101 after described shaping circuit 1022 shapings; after described the first central processing module 101 is processed; through described the first amplifying circuit 1031, amplify and form amplifying signal, described the first amplifying circuit 1031 connects wire 110 also by the described amplifying signal of described wire 110 transmitting by described the first conductor interface 1041; Described the second amplifying circuit 1032 is electrically connected to zero line 120.Described the first central processing module 101 is electrically connected to line decoding module 105 with described, and described first pair of line indicating circuit 106 is electrically connected to line decoding module 105 and the first conductor interface 1041 with described respectively.The circuit structure of described the second amplifying circuit 1032 is similar to described the first amplifying circuit 1031, for preventing that whole transmitter 100 is burned.
Preferably, described transmitter 100 also comprises switch selection circuit 107 and running status indicating circuit 108, and described switch selects circuit 107 and running status indicating circuit 108 to be electrically connected to described the first central processing module 101 respectively.Described switch selects circuit 107 for hunting or the selection to line; Described running status indicating circuit 108, is used to indicate the running status of described transmitter 100.
Particularly, described the first central processing module 101 adopts Single-chip Controlling, described to line decoding module 105 employing LED driving chips (bit shift latch), and what adopt is 8 bit shift latchs, described wire 110 is coaxial cable, telephone wire, netting twine or other metallic cable, and described transmission interface module 104 is RJ45 interface, RJ11 interface, bnc interface or USB interface.
As shown in Figure 3, receiver 200 of the present invention comprises signal receiving module 210, the second amplification module 220, analog-to-digital conversion module 230, the second central processing module 240, sound signal generation module 250, indicator 270, receiving interface module 290 and second pair of line indicating circuit 300; Described signal receiving module 210 adopts LC antiresonant circuit 2101; Described the second amplification module 220 comprises one-level amplifying circuit 2201 and second amplifying circuit 2202; Described one-level amplifying circuit 2201 and second amplifying circuit 2202 are all operational amplification circuit.After described LC antiresonant circuit 2101 resonance receive the described amplifying signal of described transmitter 100 transmittings and deliver to described one-level amplifying circuit 2201 and amplify, through described second amplifying circuit 2202, amplify and convert digital signal to by described analog-to-digital conversion module 230 again, deliver to again described the second central processing module 240, 240 pairs of described digital signals that receive of described the second central processing module are carried out analyzing and processing and are confirmed rear and send steering order to described sound signal generation module 250, described sound signal generation module 250 produces sound signal and indicates through indicator 270.Described receiving interface module 290 comprises the second conductor interface 2901 and the second zero line interface 2902, described the second conductor interface 2901 and the second zero line interface 2902 are electrically connected to described second pair of line indicating circuit 300 respectively, described the second conductor interface 2901 is electrically connected to described the first conductor interface 1041 through described wire 110, and described the second zero line interface 2902 is electrically connected to described the first zero line interface 1042 through described zero line 120.
Preferably, described receiver 200 also wraps audio frequency amplification module 260 and signal indicating circuit 280, and the sound signal that described sound signal generation module 250 produces is indicated by described indicator 270 after described audio frequency amplification module 260 amplifies again; Described signal indicating circuit 280 is electrically connected to described the second central processing module 240, and described signal indicating circuit 280 is used to indicate the running status of described signal receiver 200.Described line decoding module 102 is produced to high level through described first pair of line indicating circuit, 105 pilot lamp indications, through described the first conductor interface 1041, wire 110, the second conductor interface 2901, by described second pair of line indicating circuit 300 pilot lamp, indicate.
Particularly, described the second central processing module 240 adopts Single-chip Controlling.Described LC antiresonant circuit 2101 comprises a resonant inductance L1, and described resonant inductance L1 is outstanding to be installed on outside the casing of this signal receiving device, is similar to probe.
Particularly, described indicator 270 is light emitting diode, loudspeaker or earphone.Described one-level amplifying circuit 2201 comprises an adjustable potentiometer 22011, described adjustable potentiometer 22011 is for when finding target cable (wire), according to the distance of this resonant inductance L1 and target cable (wire), adjust gradually the sensitivity of described signal receiver 200, thereby effectively find target cable (wire).
Fig. 4 is the radiating portion circuit diagram of transmitter of the present invention.As shown in Figure 4, described the first central processing module 101 adopts single-chip microcomputer U2 to control, and comprises capacitor C 3, capacitor C 6, and one end of described capacitor C 3 connects the pin 6 of one end ,+5V power end and the single-chip microcomputer U2 of described capacitor C 6 simultaneously.The vibration of described signal generating module 102 produces circuit 1021 and comprises Sheffer stroke gate UIB1, capacitor C 1, capacitor C 2, resistance R 1 and transistor X1, described capacitor C 1 one end and capacitor C 2 one end common grounds, the input end of the other end of described capacitor C 1, described resistance R 1 one end and described transistor X1 is connected the input end of described Sheffer stroke gate UIB1 jointly, and the other end of the other end of described capacitor C 2, described resistance R 1 is connected the output terminal of described Sheffer stroke gate UIB1 jointly with the output terminal of described transistor X1.The shaping circuit 1022 of described signal generating module 102 comprises Sheffer stroke gate UIB2, the output terminal of described Sheffer stroke gate UIB1 connects the input end of described Sheffer stroke gate UIB2, and the output terminal of described Sheffer stroke gate UIB2 (CPU-IN) connects the pin 2 (CPU-IN) of described single-chip microcomputer U2.The dominant frequency signal that described vibration generation circuit 1021 produces enters described shaping circuit 1022 and carries out shaping.The first amplifying circuit 1031 and the second amplifying circuit 1032 are two-stage triode total radio amplifier, described the first amplifying circuit 1031 is by triode Q1, the direct-connected triode Q2 of emitter with described triode Q1, the resistance R 2 being connected with the ground level of described triode Q1, the diode D1 being connected with the collector of described triode Q1, the resistance R 3 being connected with the ground level of described triode Q2 forms with the capacitor C 4 that is connected the emitter of described triode Q1 and the emitter of triode Q2 simultaneously, the other end of described capacitor C 4 is for connecting described wire 110 outwards to transmit by described the first conductor interface 1041.The dominant frequency signal that the vibration generation circuit 1021 of described signal generating module 102 produces enters described shaping circuit 1022 to carry out being delivered to described the first central processing module 101 after shaping, after described the first central processing module 101 is processed, through described the first amplifying circuit 1031, amplify and form amplifying signal, through described the first conductor interface 1041, by described wire 110, outwards launch.The circuit structure of described the second amplifying circuit 1032 is similar to described the first amplifying circuit 1031, for preventing that whole transmitter 100 is burned.Described the second amplifying circuit 1032 by triode Q3, with the direct-connected triode Q4 of emitter of described triode Q3, the resistance R 4 being connected with the ground level of described triode Q3, the diode D22 being connected with the collector of described triode Q4, the resistance R 5 being connected with the ground level of described triode Q4 and capacitor C 5 compositions that are simultaneously connected the emitter of described triode Q3 and the emitter of triode Q4, the other end of described capacitor C 5 connects zero lines 120 by described the first zero line interface 1042.Described switch selects circuit 107 to comprise interrupteur SW 1, resistance R 6; pin 2,3 connections of described interrupteur SW 1 meet power end BAT simultaneously; the pin 5 of described interrupteur SW 1 connects earth terminal; the pin 6,7 of described interrupteur SW 1 connects one end of while connecting resistance R6 and the pin 5 (CPU-MODE-DET) of single-chip microcomputer U2, the other end connection+5V power end of described resistance R 6; Described interrupteur SW 1 is provided with three positions, and first position is hunting position, and second position is room, and the 3rd position is to line position.Described running status indicating circuit 108, is used to indicate the running status of described transmitter 100; Comprise resistance R 7, R8, light emitting diode D20, D21, one end of described resistance R 7 connect simultaneously described resistance R 8 one end and+5V power end, the other end of described resistance R 7 connects the anode tap of described light emitting diode D20, the cathode terminal of described light emitting diode D20 (LED0) connects the pin 10 (LED0) of described single-chip microcomputer U2, the other end of described resistance R 8 connects the anode tap of described light emitting diode D21, and the cathode terminal of described light emitting diode D21 (LED1) connects the pin 9 (LED1) of described single-chip microcomputer U2.
Fig. 5 be transmitter of the present invention to line partial circuit figure.As shown in Figure 5, described to the 105 employing LED driving chip U3 controls of line decoding module, and employing is that 8 LED drive chips; Described transmission interface module 104 adopts connection terminal P2, and the pin 1 of described connection terminal P2 forms the first conductor interface 1041 to pin 8 pin, and the pin 9 of described connection terminal P2 to pin 10 pin form the first zero line interface 1042; Described first pair of line indicating circuit 106 comprises diode D2, diode D4, diode D6, diode D8, diode D10, diode D12, diode D14, diode D16 and diode D34, light emitting diode D3, light emitting diode D5, light emitting diode D7, light emitting diode D9, light emitting diode D11, light emitting diode D13, light emitting diode D15, light emitting diode D17 and light emitting diode D35; The negative electrode of described diode D2 connects the anode of described light emitting diode D3 and the pin 15 that LED drives chip U3 simultaneously, and the anode of described diode D2 connects the negative electrode of described light emitting diode D3 and the pin 1 of connection terminal P2 simultaneously; The negative electrode of described diode D4 connects the anode of described light emitting diode D5 and the pin 1 that LED drives chip U3 simultaneously, and the anode of described diode D4 connects the negative electrode of described light emitting diode D5 and the pin 2 of connection terminal P2 simultaneously; The negative electrode of described diode D6 connects the anode of described light emitting diode D7 and the pin 2 that LED drives chip U3 simultaneously, and the anode of described diode D6 connects the negative electrode of described light emitting diode D7 and the pin 3 of connection terminal P2 simultaneously; The negative electrode of described diode D8 connects the anode of described light emitting diode D9 and the pin 3 that LED drives chip U3 simultaneously, and the anode of described diode D8 connects the negative electrode of described light emitting diode D9 and the pin 4 of connection terminal P2 simultaneously; The negative electrode of described diode D10 connects the anode of described light emitting diode D11 and the pin 4 that LED drives chip U3 simultaneously, and the anode of described diode D10 connects the negative electrode of described light emitting diode D11 and the pin 5 of connection terminal P2 simultaneously; The negative electrode of described diode D12 connects the anode of described light emitting diode D13 and the pin 5 that LED drives chip U3 simultaneously, and the anode of described diode D12 connects the negative electrode of described light emitting diode D13 and the pin 6 of connection terminal P2 simultaneously; The negative electrode of described diode D14 connects the anode of described light emitting diode D15 and the pin 6 that LED drives chip U3 simultaneously, and the anode of described diode D14 connects the negative electrode of described light emitting diode D15 and the pin 7 of connection terminal P2 simultaneously; The negative electrode of described diode D16 connects the anode of described light emitting diode D17 and the pin 7 that LED drives chip U3 simultaneously, and the anode of described diode D16 connects the negative electrode of described light emitting diode D17 and the pin 8 of connection terminal P2 simultaneously.Described the first zero line interface 1042 comprises pin 9, the pin 10 of connection terminal P2, the pin 9 of described connection terminal P2, pin 10 interconnect and connect the anode of described diode D34 and the negative electrode of light emitting diode D35 simultaneously, and the anode of the negative electrode of described diode D34 and light emitting diode D35 is connected the pin 11 (DBG) of described single-chip microcomputer U2 simultaneously.
Fig. 6 is the receiving unit circuit diagram of receiver of the present invention.As shown in Figure 6, described the second central processing module 240 adopts single-chip microcomputer U12 to control; Described LC antiresonant circuit 2101 composes in parallel resonant circuit by resonant inductance L1 and resonance capacitor C 16, and described resonant inductance L1 is outstanding to be installed on outside the casing of this signal receiving device, is similar to probe; When this signal receiving device is during near tested cable, by resonant inductance L1 and resonance capacitor C 16 resonance, receive the described amplifying signal of described signal projector 100 transmittings.Described one-level amplifying circuit 2201 mainly comprises one-level amplifier U10A (dual operational amplifier U10 comprises one-level amplifier U10A and two-stage amplifier U10B), adjustable potentiometer W1 and resistance R 14, R15, R16, R17 and the capacitor C 17 of dual operational amplifier U10, described resonant inductance L1 is connected with one end of described resistance R 15 with the one end after 16 parallel connections of resonance capacitor C, other end while after described resonant inductance L1 and 16 parallel connections of resonance capacitor C and the 3rd pin position of described dual operational amplifier U10A, one end of one end of resistance R 16 and resistance R 17, the other end of described resistance R 15 connects the 2nd pin position of described dual operational amplifier U10A and one end of described resistance R 14 simultaneously, the 1st pin position of described dual operational amplifier U10A connects one end of the other end and the adjustable potentiometer W1 of described resistance R 14 simultaneously, the 8th pin position of described dual operational amplifier U10A connects one end and the power end of described capacitor C 17 simultaneously, the 4th pin position of described dual operational amplifier U10A, the other end of resistance R 17, the other end ground connection of the other end of capacitor C 17 and adjustable potentiometer W1, another termination power end of described resistance R 16.Described adjustable potentiometer W1, for when finding target cable (wire), adjusts gradually the sensitivity of described signal receiver 200, thereby effectively finds target cable according to the distance of this resonant inductance L1 and target cable.Described second amplifying circuit 2202 mainly comprises two-stage amplifier U10B, resistance R 18, R19, R20, R21, R22, capacitor C 18, C19 and diode D39, the D40 of dual operational amplifier U10, the adjustable end of described adjustable potentiometer W1 connects one end of described capacitor C 18, the other end of described capacitor C 18 connects one end of described resistance R 20, the other end of described resistance R 20 connects the 6th pin position of described dual operational amplifier U10B simultaneously, one end of one end of resistance R 18 and resistance R 19, the other end of described resistance R 18 connects the anode of described diode D39 and the negative electrode of diode D40 simultaneously, the 7th pin position of described dual operational amplifier U10B connects the other end of described resistance R 19 simultaneously, the negative electrode of diode D39, one end of the anode of diode D40 and resistance R 23, the 5th pin position of described dual operational amplifier U10B connects one end of described resistance R 21 simultaneously, one end of one end of resistance R 22 and capacitor C 19, the other end of described resistance R 21 connects power end, the other end of described resistance R 22 connects the other end the while ground connection of described capacitor C 19.Described one-level amplifying circuit 2201 and second amplifying circuit 2202 share dual operational amplifier U10 and amplify, and can effectively to received signal, carry out large multiple amplification.Described analog-to-digital conversion module 230 mainly comprises comparer U11, resistance R 23, R24, R25, R26, R27 and capacitor C 20, the other end of described resistance R 23 connects the 3rd pin position of described comparer U11 and one end of resistance R 24 simultaneously, the 1st pin position of described comparer U11 connects one end of described resistance R 25 simultaneously, one end of one end of resistance R 26 and capacitor C 20, the other end of described resistance R 25 connects power end, the other end of described resistance R 26 connects the other end of described capacitor C 20 and connects ground, the 2nd pin position of described comparer U11 and the other end ground connection of resistance R 24, the 5th pin position of described comparer U11 connects one end the connection+5V power end simultaneously of described resistance R 27, the 4th pin position of described comparer U11 connects the 7th pin position of the other end and the single-chip microcomputer U12 of described resistance R 27 simultaneously, described comparer U11 can very critically convert the simulating signal of amplification to digital signal.Described the second central processing module 240 adopts single-chip microcomputer U12 to control, and described single-chip microcomputer U12 carries out analyzing and processing to described digital signal and confirms rear and send steering order to described sound signal generation module 250 and signal indicating circuit 280; Described signal indicating circuit 280 mainly comprises NPN type triode Q5, light emitting diode D41 and resistance R 28, R29, R30, is used to indicate the running status of described signal receiver 200.Described sound signal generation module 250 mainly comprises capacitor C 21, sound signal for generation of people's ear energy range of receiving, the frequency range of described sound signal is 1KHZ to 2.5KHZ, described sound signal is delivered to described audio frequency amplification module 260 through described single-chip microcomputer U12, described audio frequency amplification module 260 mainly comprises audio-frequency power amplifier U13, capacitor C 22, C23, C24, C25, and described audio-frequency power amplifier U13 has good amplification effect to described sound signal.Sound signal after amplification is through 270 indications of described indicator, described in show that device 270 mainly comprises loudspeaker U14, receiver J-Horner J1, described receiver J-Horner J1, as usual can hunting under noisy environment for plugged earphone.The 4th pin position of described single-chip microcomputer U12 connects one end the while ground connection of described capacitor C 21, the 2nd pin position of described single-chip microcomputer U12 connects the other end the connection+5V power end simultaneously of described capacitor C 21, the 1st pin position of described single-chip microcomputer U12 connects one end of described resistance R 29, the other end of described resistance R 29 connects one end and NPN type three utmost point Q5 pipe base stages of described resistance R 30 simultaneously, the other end of described resistance R 30 connects described NPN type triode Q5 emitter while ground connection, described NPN type triode Q5 collector connects the negative electrode of described light emitting diode D41, one end of resistance R 28 described in the anodic bonding of described light emitting diode D41, other end connection+5V the power end of described resistance R 28, the 8th pin position of described single-chip microcomputer U12 connects the 3rd pin position of described audio-frequency power amplifier U13, the 2nd pin position of described audio-frequency power amplifier U13 is connected ground with the 4th pin position, one end of described capacitor C 22 connects the 1st pin position of described audio-frequency power amplifier U13 and the other end of capacitor C 22 connects the 8th pin position of described audio-frequency power amplifier U13, one end of described capacitor C 23 connects the 7th pin position of described audio-frequency power amplifier U13 and the other end of capacitor C 23 connects ground, the 6th pin position of described audio-frequency power amplifier U13 connects one end of described capacitor C 24 and connects power end simultaneously, the other end of described capacitor C 24 connects ground, the 5th pin position of described audio-frequency power amplifier U13 connects one end of described capacitor C 25, the other end of described capacitor C 25 connects the 2nd pin position and the 3rd pin position of described receiver J-Horner J1 simultaneously, the 5th pin position of described receiver J-Horner J1 connects the 1st pin position of described receiver J-Horner J1 and one end of resistance R 31 simultaneously, the other end of described resistance R 31 connects ground, the 4th pin position of described receiver J-Horner J1 connects one end of described loudspeaker U14, the other end of described loudspeaker U14 connects ground.
Fig. 7 be receiver of the present invention to line partial circuit figure.As shown in Figure 7, described receiving interface module 290 adopts connection terminal P3, and the pin 1 of described connection terminal P3 forms the second conductor interface 2901 to pin 8 pin, and the pin 9 of described connection terminal P3 to pin 10 pin form the second zero line interface 2902, described second pair of line indicating circuit 300 comprises diode D18, diode D20, diode D22, diode D24, diode D26, diode D28, diode D30, diode D32 and diode D36, light-emitting diodes light D19, light-emitting diodes light D21, light-emitting diodes light D23, light-emitting diodes light D25, light-emitting diodes light D27, light-emitting diodes light D29, light-emitting diodes light D31, light-emitting diodes light D33 and light-emitting diodes light D37, the negative electrode of described diode D18 connects the anode of described light emitting diode D19 and the pin 1 of connection terminal P3 simultaneously, the negative electrode of described diode D20 connects the anode of described light emitting diode D21 and the pin 2 of connection terminal P3 simultaneously, the negative electrode of described diode D22 connects the anode of described light emitting diode D23 and the pin 3 of connection terminal P3 simultaneously, the negative electrode of described diode D24 connects the anode of described light emitting diode D25 and the pin 4 of connection terminal P3 simultaneously, the negative electrode of described diode D26 connects the anode of described light emitting diode D27 and the pin 5 of connection terminal P3 simultaneously, the negative electrode of described diode D28 connects the anode of described light emitting diode D29 and the pin 6 of connection terminal P3 simultaneously, the negative electrode of described diode D30 connects the anode of described light emitting diode D31 and the pin 7 of connection terminal P3 simultaneously, the negative electrode of described diode D32 connects the anode of described light emitting diode D33 and the pin 8 of connection terminal P3 simultaneously, the anode of described diode D18 connects the negative electrode of described light emitting diode D19 simultaneously, the anode of diode D20, the negative electrode of light emitting diode D21, the anode of diode D22, the negative electrode of light emitting diode D23, the anode of diode D24, the negative electrode of light emitting diode D25, the anode of diode D26, the negative electrode of light emitting diode D27, the anode of diode D28, the negative electrode of light emitting diode D29, the anode of diode D30, the negative electrode of light emitting diode D31, the anode of diode D32, the negative electrode of light emitting diode D33, the negative electrode of the anode of diode D36 and light emitting diode D37.Described the second zero line interface 2202 comprises pin 9, the pin 10 of connection terminal P3, and the pin 9 of described connection terminal P3, pin 10 interconnect and connect the negative electrode of described diode D36 and the anode of light emitting diode D37 simultaneously.
Brief description principle of work of the present invention:
Hunting principle of work: described switch selects the interrupteur SW 1 of circuit 107 to pull out to first position (hunting position); described wire 110 inserts described the first conductor interface 1041; the single-frequency dominant frequency signal that the vibration generation circuit 1021 of described signal generating module 102 produces enters described shaping circuit 1022 to carry out after shaping; through described the first central processing module 101, process by described the first amplifying circuit 1031 and amplify formation amplifying signal, described the first amplifying circuit 1031 is connected wire 110 and is launched described amplifying signal by described wire 110 by described the first conductor interface 1041; The amplifying signal that described LC antiresonant circuit 2101 resonance receive described transmitter 100 transmittings converts digital signal to by described analog-to-digital conversion module 230 after described one-level amplifying circuit 2201, second amplifying circuit 2202 amplify, after described the second central processing module 240 receives described digital signal and carries out analyzing and processing confirmation, send steering order to described sound signal generation module 250, described sound signal generation module 250 produces sound signal and indicates through described indicator 270.
To line principle of work: described wire 110 be take 8 inner cores and described as example.Described interrupteur SW 1 is pulled out to the 3rd position (to line position), and described the first conductor interface 1041 and the second conductor interface 2901 are inserted respectively in the two ends of wire 110, the inner core 1 of wire 110 described in while gating, inner core 2, it is low level that described LED drives the pin 1 of chip U3, it is high level that described LED drives the pin 15 of chip U3, through described light emitting diode D3, inner core 1, light emitting diode D19, diode D20, inner core 2, diode D4 and LED drive the pin 1 of chip U3 to form loop, described light emitting diode D3, light emitting diode D19 is luminous, in like manner the pin 15 of described LED driving chip U3 is low level, it is high level that described LED drives the pin 1 of chip U3, through described light emitting diode D5, inner core 2, light emitting diode D21, diode D18, inner core 1, diode D2 and LED drive the pin 15 of chip U3 to form loop, described light emitting diode D5, light emitting diode D21 is luminous, by parity of reasoning, and described LED drives the pin 2 of chip U3 to produce high level, and described light emitting diode D7, light emitting diode D23 are luminous, described LED drives the pin 3 of chip U3 to produce high level, and described light emitting diode D9, light emitting diode D25 are luminous, described LED drives the pin 4 of chip U3 to produce high level, and described light emitting diode D11, light emitting diode D27 are luminous, described LED drives the pin 5 of chip U3 to produce high level, and described light emitting diode D13, light emitting diode D29 are luminous, described LED drives the pin 6 of chip U3 to produce high level, and described light emitting diode D15, light emitting diode D31 are luminous, described LED drives the pin 7 of chip U3 to produce high level, and described light emitting diode D17, light emitting diode D33 are luminous, in the normal situation of wire, if described LED drives pin 15, the LED of chip U3 to drive the pin 1 to 7 of chip U3 to be followed successively by order high level, corresponding light emitting diode D3 and D19, D5 and D21, D7 and D23, D9 and D25, D11 and D27, D13 and D29, D15 and D31, D17 and D33 respectively correspondence glimmer successively, just can judge accordingly whether break-make of any root inner core.If entirely bright, this wire is without opening circuit, if certain a pair of LED light lamp does not work, this root inner core is for opening circuit.As light emitting diode D5 and D21 lamp do not work, be that second inner core is for opening circuit.
The invention has the advantages that, the present invention can freely select hunting function or to line function, and to opening circuit, path can accurately judge, receiver receives that signal frequency is single, and signal intensity is good, and antijamming capability is strong, uses sound effect good, highly sensitive and noiselessness.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a multi-usage noiselessness hunting device, comprise transmitter (100) and receiver (200), it is characterized in that: described transmitter (100) comprises the first central processing module (101), signal generating module (102), the first amplification module (103), transmission interface module (104), to line decoding module (105) and first pair of line indicating circuit (106), the dominant frequency signal that described signal generating module (102) produces single-frequency is amplified and is formed amplifying signal by described the first amplification module (103) after described the first central processing module (101) is processed, described the first amplification module (103) is connected wire (110) and is launched described amplifying signal by described wire (110) by described transmission interface module (104), described the first central processing module (101) is electrically connected to line decoding module (105) with described, and described first pair of line indicating circuit (106) is electrically connected to line decoding module (105) and transmission interface module (104) with described respectively, described receiver (200) comprises signal receiving module (210), the second amplification module (220), analog-to-digital conversion module (230), the second central processing module (240), sound signal generation module (250), indicator (270), receiving interface module (290) and second pair of line indicating circuit (300), described signal receiving module (210) receives the described amplifying signal of described transmitter (100) transmitting and delivers to after described the second amplification module (220) amplifies and converts digital signal to by described analog-to-digital conversion module (230), described the second central processing module (240) sends steering order to described sound signal generation module (250) after receiving described digital signal and carrying out analyzing and processing confirmation, described sound signal generation module (250) produces sound signal and indicates through described indicator (270), described receiving interface module (290) and second pair of line indicating circuit (300) are electrically connected to.
2. multi-usage noiselessness hunting device as claimed in claim 1, it is characterized in that: described signal generating module (102) comprises that vibration produces circuit (1021) and shaping circuit (1022), described vibration produces the dominant frequency signal of circuit (1021) generation single-frequency and exports after described shaping circuit (1022) shaping.
3. multi-usage noiselessness hunting device as claimed in claim 1; it is characterized in that: described the first amplification module (103) comprises the first amplifying circuit (1031) and second amplifying circuit (1032) in parallel with described the first amplifying circuit (1031); the dominant frequency signal of described single-frequency amplifies and forms amplifying signal through described the first amplifying circuit (1031), and described the first amplifying circuit (1031) is connected wire (110) and launched described amplifying signal by described wire (110) by described transmission interface module (104); Described the second amplifying circuit (1032) is electrically connected to zero line (120) by described transmission interface module (104).
4. multi-functional hunting device as claimed in claim 1, is characterized in that: described signal receiving module (210) adopts LC antiresonant circuit (2101) resonance to receive.
5. multi-functional hunting device as claimed in claim 1, is characterized in that: described the second amplification module (220) comprises one-level amplifying circuit (2201) and second amplifying circuit (2202); Described amplifying signal is output after described second amplifying circuit (2202) amplifies again after one-level amplifying circuit (2201) amplifies.
6. multi-usage noiselessness hunting device as claimed in claim 1, is characterized in that: described the first central processing module (101) adopts Single-chip Controlling, described to line decoding module (105) employing LED driving chip.
7. the multi-usage noiselessness hunting device as described in claim 1 to 6 any one, it is characterized in that: described transmitter (100) also comprises switch selection circuit (107) and running status indicating circuit (108), described switch selects circuit (107) and running status indicating circuit (108) to be electrically connected to described the first central processing module (101) respectively.
8. the multi-usage noiselessness hunting device as described in claim 1 to 6 any one; it is characterized in that: described receiver (200) also wraps audio frequency amplification module (260) and signal indicating circuit (280), the sound signal that described sound signal generation module (250) produces is indicated by described indicator (270) after described audio frequency amplification module (260) amplifies again; Described signal indicating circuit (280) is electrically connected to described the second central processing module (240), and described signal indicating circuit (280) is used to indicate the running status of described signal receiver (200).
9. the multi-usage noiselessness hunting device as described in claim 1 to 6 any one, is characterized in that: described wire (110) is coaxial cable, telephone wire, netting twine or other metallic cable; Described transmission interface module (104) is RJ45 interface, RJ11 interface, bnc interface or USB interface.
10. multi-usage noiselessness hunting device as claimed in claim 5, is characterized in that: described one-level amplifying circuit (2201) comprises an adjustable potentiometer (22011).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410267237.6A CN104007359A (en) | 2014-06-16 | 2014-06-16 | Multifunctional noiseless line tracking device |
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| CN201410267237.6A CN104007359A (en) | 2014-06-16 | 2014-06-16 | Multifunctional noiseless line tracking device |
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| CN104007359A true CN104007359A (en) | 2014-08-27 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730469A (en) * | 1993-07-06 | 1995-01-31 | Nissin Electric Co Ltd | Verification system for transmission characteristic of communication utilizing distribution line |
| CN2577510Y (en) * | 2002-10-11 | 2003-10-01 | 杜永魁 | Inductive multifunctional communication network line inspection device |
| US20050073198A1 (en) * | 2003-09-17 | 2005-04-07 | Hitachi Global Storage Technologies Netherlands, B.V | Interface circuit power reduction |
| CN200986580Y (en) * | 2006-03-03 | 2007-12-05 | 张民 | Intelligent audio digital finder |
| WO2008081347A1 (en) * | 2007-01-05 | 2008-07-10 | Freescale Semiconductor, Inc. | Method for testing a variable digital delay line and a device having variable digital delay line testing capabilities |
| CN101762828A (en) * | 2010-01-05 | 2010-06-30 | 林烨 | High-sensitivity non-contact line haunting method and device |
| CN101793935A (en) * | 2010-01-05 | 2010-08-04 | 林烨 | Non-contact type wire tracing method and device |
| CN202693729U (en) * | 2012-06-28 | 2013-01-23 | 林东航 | Novel line hunting instrument |
| CN202907028U (en) * | 2012-11-16 | 2013-04-24 | 王振峰 | Wire hunting tester with voice call function |
-
2014
- 2014-06-16 CN CN201410267237.6A patent/CN104007359A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730469A (en) * | 1993-07-06 | 1995-01-31 | Nissin Electric Co Ltd | Verification system for transmission characteristic of communication utilizing distribution line |
| CN2577510Y (en) * | 2002-10-11 | 2003-10-01 | 杜永魁 | Inductive multifunctional communication network line inspection device |
| US20050073198A1 (en) * | 2003-09-17 | 2005-04-07 | Hitachi Global Storage Technologies Netherlands, B.V | Interface circuit power reduction |
| CN200986580Y (en) * | 2006-03-03 | 2007-12-05 | 张民 | Intelligent audio digital finder |
| WO2008081347A1 (en) * | 2007-01-05 | 2008-07-10 | Freescale Semiconductor, Inc. | Method for testing a variable digital delay line and a device having variable digital delay line testing capabilities |
| CN101762828A (en) * | 2010-01-05 | 2010-06-30 | 林烨 | High-sensitivity non-contact line haunting method and device |
| CN101793935A (en) * | 2010-01-05 | 2010-08-04 | 林烨 | Non-contact type wire tracing method and device |
| CN202693729U (en) * | 2012-06-28 | 2013-01-23 | 林东航 | Novel line hunting instrument |
| CN202907028U (en) * | 2012-11-16 | 2013-04-24 | 王振峰 | Wire hunting tester with voice call function |
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Address after: 523000 Guangdong city of Dongguan Province Wang Liaobu town road is Dingfeng throughout a period of 3 unit 1801 room Applicant after: Ouyang Qingfeng Address before: 523000 Guangdong province Dongguan city Liaobu town middle school is opposite the Magnolia Dingfeng 3 unit 1801 room environment Applicant before: Ouyang Qingfeng |
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Application publication date: 20140827 |