CN103995217A - Novel line hunting instrument - Google Patents
Novel line hunting instrument Download PDFInfo
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- CN103995217A CN103995217A CN201410265902.8A CN201410265902A CN103995217A CN 103995217 A CN103995217 A CN 103995217A CN 201410265902 A CN201410265902 A CN 201410265902A CN 103995217 A CN103995217 A CN 103995217A
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Abstract
The invention provides a novel line hunting instrument which comprises a signal transmitter (100) and a signal receiver (200), the signal transmitter (100) comprises a signal generating module (110) and an amplifying module (120), single-frequency main frequency signals generated by the signal generating module (110) are amplified by the amplifying module (120) to form amplified signals, the amplifying module (120) is connected with a wire (130) and transmits the amplified signals through the wire (130), and the signal receiver (200) comprises a signal receiving module (210), an amplifying module (220), an analog-digital conversion module (230), a central controlling module (240), an audio signal generating module (250) and an indicator (270). The signal receiving module (210) receives the amplified signals transmitted by the signal transmitter (100) and sends the amplified signals to the amplifying module (220) for amplifying, the amplified signals are converted into digital signals through the analog-digital conversion module (230), the central controlling module (240) receives the digital signals, analyzes, processes and confirms the digital signals and then sends out a control instruction to the audio signal generating module (250), the audio signal generating module (250) generates audio signals, and the audio signals are indicated through the indicator (270).
Description
Technical field
The present invention relates to a kind of novel hunting instrument.
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 becomes the indispensable instrument of searching cable in the various metallic circuit construction works such as network cable, the communications cable and daily servicing process.It can find required cable quickly and efficiently from a large amount of wire harness cables.
Current known line finder has two kinds, and one is contact: by the direct osculatory core metal of metal probe part, then judge in conjunction with multimeter.This mode needs the insulating covering of strip off metal wire, due to inconvenience, seldom uses.One is contactless: be made up of audio-frequency generator and audio receiver, because do not need the insulating covering of strip off metal wire to survey, replace gradually contact line finder to come into operation.On the port of the sound signal that usually non-contact line haunting device sends by clapp oscillator by general-purpose interface access target cables such as RJ45/RJ11, make target cord loop around produce one around signal field, utilize the very fast signal field that it sends with end identification in loop of receiver on the way, thereby find the cable of this entry.
But, what the transmitter of existing contactless grid line line finder adopted is sound signal, and what the receiving unit of receiver adopted is that metal probe induction receives, near tested cable, there is AC220, when the interference sources such as 50HZ, receiver poor anti jamming capability, very easily be interfered, the signal receiving has multi-frequency, is in a mess, and signal intensity is inadequate, use sound effect is not good enough, sensitivity is not high and have noise, and therefore line finder cannot be searched the trouble spot of described tested cable and described tested cable exactly, thereby has increased the difficulty of detection operations.
Therefore, be necessary to provide a kind of novel hunting instrument 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 novel hunting instrument, and this novel hunting instrument received signal strength is good, and receiver receive frequency is single, and antijamming capability is strong, uses sound effect good, highly sensitive and noiselessness.
In order to solve the problems of the technologies described above; the invention provides a kind of novel hunting instrument; comprise signal projector and signal receiver; described signal projector comprises signal generating module and amplification module; the dominant frequency signal that described signal generating module produces single-frequency amplifies and forms amplifying signal through described amplification module, and described amplification module connects wire and launches described amplifying signal by described wire; Described signal receiver comprises signal receiving module, amplification module, analog-to-digital conversion module, central control module, sound signal generation module and indicator; Described signal receiving module receives the described amplifying signal of described signal projector transmitting and delivers to after described amplification module amplifies and converts digital signal to by described analog-to-digital conversion module, described central control 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.
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 amplification module comprises the first amplifying circuit and second amplifying circuit in parallel with described the first amplifying circuit; the dominant frequency signal that described signal generating module produces single-frequency amplifies and forms amplifying signal through described the first amplifying circuit, and described the first amplifying circuit connects wire and launches described amplifying signal by described wire; Described the second amplifying circuit is electrically connected with zero line.
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 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 central control module adopts Single-chip Controlling.
Further improvement of the present invention is, described signal receiver also comprises audio frequency amplification module, and the sound signal that described sound signal generation module produces is indicated by described indicator after described audio frequency amplification module amplifies again.
Further improvement of the present invention is that described wire is coaxial cable, telephone wire, netting twine or other metallic cable.
Further improvement of the present invention is, described signal receiver also comprises signal indicating circuit, and described signal indicating circuit is electrically connected with described central control module, and described signal indicating circuit is used to indicate the running status of described signal receiver.
Further improvement of the present invention is, described signal receiver also comprises display screen, and described display screen is electrically connected with described central control module, and described display screen is LCDs.
Adopt technique scheme, the dominant frequency signal that described signal generating module produces single-frequency can be sound signal, can be also high-frequency signal; While adopting high-frequency signal, the distance of transmitting when adopting sound signal along the distance of wire transmission many, therefore hunting distance is also much far away.Signal receiving module adopts LC antiresonant circuit resonance manner, can only receive the dominant frequency signal of signal projector transmitting single-frequency, remove the interference of other frequency signal, then amplify through second signal, convert digital signal to through analog-to-digital conversion module again and deliver to central processing module, central control module carries out analyzing and processing to digital signal to be confirmed rear and sends steering order to sound signal generation module, and sound signal generation module produces sound signal and also indicates through indicator.The signal of a certain frequency that resonance manner receives, through amplifying, has become digital signal after analog to digital conversion while delivering to central processing module, described digital signal has not a particle of interference to sound signal below; And the sound signal generation module generation sound signal of working under the control of central processing module, the signal of extraneous various frequencies can not produce a bit and disturb this sound signal, therefore the signal receiving device of the line finder of working in this way, clear, loud, noiselessness and noiseless that loudspeaker or earphone send, sound effect is good, highly sensitive.The working site existing at a large amount of cables, points to tested cable by described novel hunting instrument, if the loudspeaker of described novel hunting instrument sends buzzerphone or the earphone signal of sounding, tested cable is target cable.
Through repeatedly facts have proved, the dominant frequency signal of signal projector transmitting single-frequency, the signal receiver that signal receiver adopts LC antiresonant circuit, second signal amplifying circuit, analog-to-digital conversion module, central processing module and audio producing module to combine, signal intensity is good, receive frequency is single, there is significant interference free performance, use sound effect good, highly sensitive and noiselessness.
Compared with prior art, the invention has the advantages that, it is good that this novel hunting instrument has signal intensity, and receiver receive frequency is single, and antijamming capability is strong, uses sound effect good, highly sensitive and noiselessness, the sound signal of output feature clearly.
Brief description of the drawings
Fig. 1 is the schematic diagram of novel hunting instrument of the present invention;
Fig. 2 is the theory diagram of signal projector of the present invention;
Fig. 3 is the theory diagram of signal receiver of the present invention;
Fig. 4 is the circuit theory diagrams of signal receiver of the present invention.
In figure, each component names is as follows:
100-signal projector;
110-signal generating module;
1101-vibration produces circuit;
1102-shaping circuit;
120-amplification module;
The 1201-the first amplifying circuit;
The 1202-the second amplifying circuit;
130-wire;
140-zero line;
200-signal receiver;
210-signal receiving module;
2101-LC antiresonant circuit;
220-amplification module;
2201-one-level amplifying circuit;
22011-adjustable potentiometer;
2202-second amplifying circuit;
230-analog-to-digital conversion module;
240-central control module;
250-audio number generation module;
260-audio frequency amplification module;
270-indicator;
280-signal indicating circuit;
290-display screen.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the present invention is further described, and in accompanying drawing, similarly element numbers represents similar element.
As shown in Figure 1, novel hunting instrument of the present invention comprises signal projector 100 and signal receiver 200.On the port of described signal projector 100 by general-purpose interface access target cables such as RJ45/RJ11, make target cord loop around produce one around signal field, described signal receiver 200 utilizes its probe to identify with end the signal field that described signal projector 100 is launched on the way in loop, thereby finds this objective cable.
As shown in Figure 2, the described signal projector 100 of novel hunting instrument of the present invention comprises signal generating module 110 and amplification module 120; Described signal generating module 110 comprises that vibration produces circuit 1101 and shaping circuit 1102, and described amplification module 120 comprises the first amplifying circuit 1201 and second amplifying circuit 1202 in parallel with described the first amplifying circuit 1201; The dominant frequency signal that described vibration generation circuit 1101 produces single-frequency is exported after described shaping circuit 1102 shapings; amplify and form amplifying signal through described the first amplifying circuit 1201, described the first amplifying circuit 1201 connects wire 130 and launches described amplifying signal by described wire 130; Described the second amplifying circuit 1202 is electrically connected with zero line 140.Described wire 130 is coaxial cable, telephone wire, netting twine or other metallic cable.Described the first amplifying circuit 1201 and the second amplifying circuit 1202 are all analog amplify circuit, and the circuit structure of described the second amplifying circuit 1202 is similar to described the first amplifying circuit 1201, for preventing that whole transmitter 100 is burned.The dominant frequency signal that described signal generating module 110 produces single-frequency can be sound signal, can be also high-frequency signal; While adopting high-frequency signal, the distance of transmitting when adopting sound signal along the distance of wire transmission many, therefore hunting distance is also much far away.The frequency range of the amplifying signal that the present embodiment adopts is 20KHZ to 800KHZ.
As shown in Figure 3, the described signal receiver 200 of novel hunting instrument of the present invention comprises signal receiving module 210, amplification module 220, analog-to-digital conversion module 230, central control module 240, sound signal generation module 250 and indicator 270; Described signal receiving module 210 adopts LC antiresonant circuit 2101; Described 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 that described signal projector 100 launches and deliver to described one-level amplifying circuit 2201 and amplify, amplify and convert digital signal to by described analog-to-digital conversion module 230 through described second amplifying circuit 2202 again, deliver to again described central control module 240, described central control module 240 carries out analyzing and processing to received described digital signal to be confirmed rear and sends steering order to described sound signal generation module 250, and described sound signal generation module 250 produces sound signal and indicates through indicator 270.Described central control 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.
Preferably, described signal receiver 200 also comprises audio frequency amplification module 260 (as shown in Figure 3), 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.
Preferably, described signal receiver 200 also comprises signal indicating circuit 280 (as shown in Figure 3), described signal indicating circuit 280 is electrically connected with described central control module 240, and described signal indicating circuit 280 is used to indicate the running status of described signal receiver 200.
Preferably, described signal receiver 200 also comprises display screen 290 (as shown in Figure 3), and described display screen 290 is electrically connected with described central control module 240, and described display screen 290 is LCDs.
Particularly, described indicator 270 is light emitting diode, loudspeaker or earphone.Described wire 130 is coaxial cable, telephone wire, netting twine or other metallic cable.Described one-level amplifying circuit 2201 comprises an adjustable potentiometer 22011, described adjustable potentiometer 22011 is in the time finding target cable (wire), adjust gradually the sensitivity of described signal receiver 200 according to the distance of this resonant inductance L1 and target cable (wire), thereby effectively find target cable (wire).
Fig. 4 is circuit theory diagrams of the present invention.As shown in Figure 4, described LC antiresonant circuit 2101 composes in parallel resonant circuit by resonant inductance L1 and resonance capacitor C 1, 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, receive by resonant inductance L1 and resonance capacitor C 1 resonance the described amplifying signal that described signal projector 100 is launched.Described one-level amplifying circuit 2201 mainly comprises one-level amplifier U1A (dual operational amplifier U1 comprises one-level amplifier U1A and two-stage amplifier U1B), adjustable potentiometer W1 and resistance R 1, R4, R7, R8 and the capacitor C 3 of dual operational amplifier U1, described resonant inductance L1 is connected with one end of described resistance R 4 with the one end after 1 parallel connection of resonance capacitor C, other end while after described resonant inductance L1 and 1 parallel connection of resonance capacitor C and the 3rd pin position of described dual operational amplifier U1, one end of one end of resistance R 7 and resistance R 8, the other end of described resistance R 4 connects the 2nd pin position of described dual operational amplifier U1 and one end of described resistance R 1 simultaneously, the 1st pin position of described dual operational amplifier U1 connects one end of the other end and the adjustable potentiometer W1 of described resistance R 1 simultaneously, the 8th pin position of described dual operational amplifier U1 connects one end and the power end of described capacitor C 3 simultaneously, the 4th pin position of described dual operational amplifier U1, the other end of resistance R 8, the other end ground connection of the other end of capacitor C 3 and adjustable potentiometer W1, another termination power end of described resistance R 7.Described adjustable potentiometer W1, in the time 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 U1B, resistance R 2, R3, R5, R10, R11, capacitor C 2, C4 and diode D1, the D2 of dual operational amplifier U1, the adjustable end of described adjustable potentiometer W1 connects one end of described capacitor C 2, the other end of described capacitor C 2 connects one end of described resistance R 5, the other end of described resistance R 5 connects the 6th pin position of described dual operational amplifier U1B simultaneously, one end of one end of resistance R 2 and resistance R 3, the other end of described resistance R 2 connects the anode of described diode D1 and the negative electrode of diode D2 simultaneously, the 7th pin position of described dual operational amplifier U1B connects the other end of described resistance R 3 simultaneously, the negative electrode of diode D1, one end of the anode of diode D2 and resistance R 6, the 5th pin position of described dual operational amplifier U1B connects one end of described resistance R 10 simultaneously, one end of one end of resistance R 11 and capacitor C 4, the other end of described resistance R 10 connects power end, the other end of described resistance R 11 connects the other end the while ground connection of described capacitor C 4.Described one-level amplifying circuit 201 and second amplifying circuit 202 share dual operational amplifier U1 and amplify, and can effectively carry out large multiple amplification to received signal.Described analog-to-digital conversion module 230 mainly comprises comparer U2, resistance R 6, R9, R12, R13, R14 and capacitor C 5, the other end of described resistance R 6 connects the 3rd pin position of described comparer U2 and one end of resistance R 12 simultaneously, the 1st pin position of described comparer U2 connects one end of described resistance R 13 simultaneously, one end of one end of resistance R 14 and capacitor C 5, the other end of described resistance R 13 connects power end, the other end of described resistance R 14 connects the other end of described capacitor C 5 and connects ground, the 2nd pin position of described comparer U2 and the other end ground connection of resistance R 12, the 5th pin position of described comparer U2 connects one end the connection+5V power end simultaneously of described resistance R 9, the 4th pin position of described comparer U2 connects the 7th pin position of the other end and the single-chip microcomputer U5 of described resistance R 9 simultaneously, described comparer U2 can very critically convert the simulating signal of amplification to digital signal.Described central processing module 240 adopts single-chip microcomputer U5 to control; described single-chip microcomputer U5 carries out analyzing and processing to described digital signal and confirms rear and send steering order to described sound signal generation module 250, signal indicating circuit 280 and display screen 290, and described display screen 290 shows relevant information; Described signal indicating circuit 280 mainly comprises NPN type triode Q1, light emitting diode D5 and resistance R 16, R17, R18, is used to indicate the running status of described signal receiver 200.Described sound signal generation module 250 mainly comprises capacitor C 13, for generation of the sound signal 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 U5, described audio frequency amplification module 260 mainly comprises audio-frequency power amplifier U4, capacitor C 9, C10, C11, C12, and described audio-frequency power amplifier U4 has good amplification effect to described sound signal.Sound signal after amplification is indicated through described indicator 270, described in show that device 270 mainly comprises loudspeaker U6, 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 U5 connects one end the while ground connection of described capacitor C 13, the 2nd pin position of described single-chip microcomputer U5 connects the other end the connection+5V power end simultaneously of described capacitor C 13, the 1st pin position of described single-chip microcomputer U5 connects one end of described resistance R 17, the other end of described resistance R 17 connects one end and NPN type three utmost point Q1 pipe base stages of described resistance R 18 simultaneously, the other end of described resistance R 18 connects described NPN type triode Q1 emitter while ground connection, described NPN type triode Q1 collector connects the negative electrode of described light emitting diode D5, one end of resistance R 16 described in the anodic bonding of described light emitting diode D5, other end connection+5V the power end of described resistance R 16, the 8th pin position of described single-chip microcomputer U5 connects the 3rd pin position of described audio-frequency power amplifier U4, the 2nd pin position of described audio-frequency power amplifier U4 is connected ground with the 4th pin position, one end of described capacitor C 9 connects the 1st pin position of described audio-frequency power amplifier U4 and the other end of capacitor C 9 connects the 8th pin position of described audio-frequency power amplifier U4, one end of described capacitor C 10 connects the 7th pin position of described audio-frequency power amplifier U4 and the other end of capacitor C 10 connects ground, the 6th pin position of described audio-frequency power amplifier U4 connects one end of described capacitor C 11 and connects power end simultaneously, the other end of described capacitor C 11 connects ground, the 5th pin position of described audio-frequency power amplifier U4 connects one end of described capacitor C 12, the other end of described capacitor C 12 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 19 simultaneously, the other end of described resistance R 19 connects ground, the 4th pin position of described receiver J-Horner J1 connects one end of described loudspeaker U6, the other end of described loudspeaker U6 connects ground.
In hunting process, if metal wire does not have breakpoint, signal receiver just can receive the signal that signal projector is launched by resonance, and indicator just has instruction sound; If metal wire has breakpoint, signal receiver just can not receive the signal that signal projector is launched by resonance, and indicator is just without instruction sound.In concrete operations, locate tested cable by continuous moving signal receiver and according to the power of instruction sound, determine and indicate diminishing suddenly or disappear and determining the position of breakpoint of sound after tested cable, thereby realize hunting object easily and fast.The frequency range of the amplifying signal that the present embodiment forms is 20KHZ to 800KHZ, has very strong penetrability, for even the metal wire of underground deep layer is equally applicable within the walls.
Adopt technique scheme, the dominant frequency signal that described signal generating module produces single-frequency can be sound signal, can be also high-frequency signal; While adopting high-frequency signal, the distance of transmitting when adopting sound signal along the distance of wire transmission many, therefore hunting distance is also much far away.Signal receiving module adopts LC antiresonant circuit resonance manner, can only receive the dominant frequency signal of signal projector transmitting single-frequency, remove the interference of other frequency signal, then amplify through second signal, convert digital signal to through analog-to-digital conversion module again and deliver to central processing module, central control module carries out analyzing and processing to digital signal to be confirmed rear and sends steering order to sound signal generation module, and sound signal generation module produces sound signal and also indicates through indicator.The signal of a certain frequency that resonance manner receives, through amplifying, has become digital signal after analog to digital conversion while delivering to central processing module, described digital signal has not a particle of interference to sound signal below; And the sound signal generation module generation sound signal of working under the control of central processing module, the signal of extraneous various frequencies can not produce a bit and disturb this sound signal, therefore the signal receiving device of the line finder of working in this way, clear, loud, noiselessness and noiseless that loudspeaker or earphone send, sound effect is good, highly sensitive.The working site existing at a large amount of cables, points to tested cable by described novel hunting instrument, if the loudspeaker of described novel hunting instrument sends buzzerphone or the earphone signal of sounding, tested cable is target cable.
Through repeatedly facts have proved, the dominant frequency signal of signal projector transmitting single-frequency, the signal receiver that signal receiver adopts LC antiresonant circuit, second signal amplifying circuit, analog-to-digital conversion module, central processing module and audio producing module to combine, signal intensity is good, receive frequency is single, there is significant interference free performance, use sound effect good, highly sensitive and noiselessness.
The invention has the advantages that, it is good that this novel hunting instrument has signal intensity, and receiver receive frequency is single, and antijamming capability is strong, uses sound effect good, highly sensitive and noiselessness, the sound signal of output feature clearly.
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 novel hunting instrument, comprise signal projector (100) and signal receiver (200), described signal projector (100) comprises signal generating module (110) and amplification module (120), the dominant frequency signal that described signal generating module (110) produces single-frequency amplifies and forms amplifying signal through described amplification module (120), and described amplification module (120) connects wire (130) and launches described amplifying signal by described wire (130), it is characterized in that: described signal receiver (200) comprises signal receiving module (210), amplification module (220), analog-to-digital conversion module (230), central control module (240), sound signal generation module (250) and indicator (270), described signal receiving module (210) receives the described amplifying signal of described signal projector (100) transmitting and delivers to after described amplification module (220) amplifies and converts digital signal to by described analog-to-digital conversion module (230), described central control 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).
2. novel hunting instrument as claimed in claim 1, it is characterized in that: described signal generating module (110) comprises that vibration produces circuit (1101) and shaping circuit (1102), described vibration produces the dominant frequency signal of circuit (1101) generation single-frequency and exports after described shaping circuit (1102) shaping.
3. novel hunting instrument as claimed in claim 1; it is characterized in that: described amplification module (120) comprises the first amplifying circuit (1201) and second amplifying circuit (1202) in parallel with described the first amplifying circuit (1201); the dominant frequency signal that described signal generating module (110) produces single-frequency amplifies and forms amplifying signal through described the first amplifying circuit (1201), and described the first amplifying circuit (1201) connects wire (130) and launches described amplifying signal by described wire (130); Described the second amplifying circuit (1202) is electrically connected with zero line (140).
4. novel hunting instrument as claimed in claim 1, is characterized in that: described signal receiving module (210) adopts LC antiresonant circuit (2101) resonance to receive.
5. novel hunting instrument as claimed in claim 1, is characterized in that: described 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. novel hunting instrument as claimed in claim 1, is characterized in that: described central control module (240) adopts Single-chip Controlling.
7. novel hunting instrument as claimed in claim 1, it is characterized in that: described signal receiver (200) also comprises audio frequency amplification module (260), 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.
8. the novel hunting instrument as described in claim 1 to 7 any one, is characterized in that: described wire (130) is coaxial cable, telephone wire, netting twine or other metallic cable.
9. the novel hunting instrument as described in claim 1 to 7 any one, it is characterized in that: described signal receiver (200) also comprises signal indicating circuit (280), described signal indicating circuit (280) is electrically connected with described central control module (240), and described signal indicating circuit (280) is used to indicate the running status of described signal receiver (200).
10. the novel hunting instrument as described in claim 1 to 7 any one, it is characterized in that: described signal receiver (200) also comprises display screen (290), described display screen (290) is electrically connected with described central control module (240), and described display screen (290) is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265902.8A CN103995217A (en) | 2014-06-16 | 2014-06-16 | Novel line hunting instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265902.8A CN103995217A (en) | 2014-06-16 | 2014-06-16 | Novel line hunting instrument |
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| CN103995217A true CN103995217A (en) | 2014-08-20 |
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| CN107229002A (en) * | 2017-06-26 | 2017-10-03 | 仲杏英 | Electric wire breaking point detection device |
| CN109347517A (en) * | 2018-11-02 | 2019-02-15 | 永州市诺方舟电子科技有限公司 | A kind of highly sensitive, anti-interference, noiseless hunting instrument receiver |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109347517A (en) * | 2018-11-02 | 2019-02-15 | 永州市诺方舟电子科技有限公司 | A kind of highly sensitive, anti-interference, noiseless hunting instrument receiver |
| CN109347517B (en) * | 2018-11-02 | 2021-06-25 | 永州市诺方舟电子科技有限公司 | High-sensitivity, anti-interference and noiseless line finder receiver |
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Application publication date: 20140820 |
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