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CN203909185U - Hunting apparatus with on-off detection function - Google Patents

Hunting apparatus with on-off detection function Download PDF

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Publication number
CN203909185U
CN203909185U CN201420318445.XU CN201420318445U CN203909185U CN 203909185 U CN203909185 U CN 203909185U CN 201420318445 U CN201420318445 U CN 201420318445U CN 203909185 U CN203909185 U CN 203909185U
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CN
China
Prior art keywords
circuit
signal
module
amplifying
receiver
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CN201420318445.XU
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Chinese (zh)
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雷鸣
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Individual
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Individual
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Abstract

The utility model provides a hunting apparatus with on-off detection function. The hunting apparatus comprises an emitter and a receiver, wherein the emitter comprises a signal generation module, an amplification module, an emission interface module, an alignment decoding module and a first alignment indication circuit. The signal generation module generates main frequency signals which are amplified into amplification signals through the amplification module, and the amplification module emits amplification signals through leads. The first alignment indication circuit is respectively connected with the alignment decoding module and the emission interface module. The receiver comprises an LC anti-resonance circuit, a first-stage signal amplification circuit, a second-stage signal amplification circuit, a third-stage signal amplification circuit, a loudspeaker, a battery power supply circuit, a lighting circuit, a reception interface module and a second alignment indication circuit, wherein the LC anti-resonance circuit receives the amplified signals emitted by the emitter, the third-stage signal amplification circuit amplifies the received amplified signals, and the processed signals are output by the loudspeaker. The reception interface module is connected with the second alignment indication circuit.

Description

A kind of hunting device with break-make measuring ability
Technical field
The utility model relates to a kind of hunting device with break-make measuring ability.
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 this objective cable.
But, existing non-contact line haunting device function singleness, can only hunting, to whether path or open circuit and cannot judge of circuit inner core, and generator and receiver be all adopt be sound signal, and what the receiving unit of receiver adopted is that metal probe induction receives, and 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.Moreover receiver, without illumination functions, is inconvenient to operate under the bad environment of light; Receiver, without receiver J-Horner, is not heard sound under noisy environment, is inconvenient to operate yet.
Therefore, be necessary to provide a kind of hunting device with break-make measuring ability to overcome above-mentioned defect.
Utility model content
For above-mentioned prior art; technical problem to be solved in the utility model is to provide a kind of hunting device with break-make measuring ability; this device to opening circuit, path can accurately judge; reception signal frequency is single; signal intensity is good; antijamming capability is strong, uses sound effect good, highly sensitive and noise is few; Be provided with illumination and earphone, can normal running under the bad environment of light and under noisy environment.
In order to solve the problems of the technologies described above, the utility model provides a kind of hunting device with break-make measuring ability, comprise transmitter and receiver, described transmitter comprises signal generating module, 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 amplifies and forms amplifying signal through described amplification module, and described amplification module is connected wire and launched described amplifying signal by described wire by described transmission interface module, described first pair of line indicating circuit is electrically connected line decoding module and transmission interface module with described respectively, described receiver comprises LC antiresonant circuit, one stage signal amplifying circuit, second signal amplifying circuit, three grades of signal amplification circuits, loudspeaker, battery feed circuit, lighting circuit, receiving interface module and second pair of line indicating circuit, described LC antiresonant circuit resonance receives the described amplifying signal of described transmitter transmitting, and the amplifying signal receiving is delivered to described one stage signal amplifying circuit successively, second signal amplifying circuit and three grades of signal amplification circuits carry out three grades of amplifications and export by described loudspeaker afterwards, described lighting circuit is for illumination, described battery feed circuit is respectively to described one stage signal amplifying circuit, second signal amplifying circuit, three grades of signal amplification circuits and powered lighting circuit supply, described receiving interface module and second pair of line indicating circuit electrical connection.
Further improvement of the utility model is, described receiver also comprises signal indicating circuit, described battery feed circuit is powered to described signal indicating circuit, described signal indicating circuit is electrically connected with described three grades of signal amplification circuits, and described signal indicating circuit is used to indicate the running status of described receiver.
Further improvement of the utility model is, described receiver also comprises receiver J-Horner, and described receiver J-Horner is electrically connected with described three grades of signal amplification circuits.
Further improvement of the utility model 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 utility model 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 is connected wire and launched described amplifying signal by described wire by described transmission interface module; Described the second amplifying circuit is electrically connected with zero line by described transmission interface module.
Further improvement of the utility model is, described to line decoding module employing LED driving chip.
Further improvement of the utility model is that described wire is coaxial cable, telephone wire, netting twine or other metallic cable.
Further improvement of the utility model is, described receiver also comprises volume control circuit, described volume control circuit is electrically connected with described one stage signal amplifying circuit and second signal amplifying circuit respectively, and described volume control circuit is for controlling the volume of described receiver.
Further improvement of the utility model is that described transmission interface module is RJ45 interface, RJ11 interface, bnc interface or USB interface.
Further improvement of the utility model is that described volume control circuit is an adjustable potentiometer.
Compared with prior art, the utility model has the advantage of, the utility model is existing to be had line function to have hunting function, to opening circuit, path can accurately judge, when hunting owing to adopting LC antiresonant circuit, can only receive a kind of signal of frequency, antijamming capability is strong, and signal intensity is large, uses sound effect good, highly sensitive and noise is few, the sound signal of output feature clearly.Be provided with illumination and earphone, can normal running under the bad environment of light and under noisy environment.
Brief description of the drawings
Fig. 1 is the schematic diagram that the utlity model has the hunting device of break-make measuring ability;
Fig. 2 is the theory diagram of transmitter of the present utility model;
Fig. 3 is the theory diagram of receiver of the present utility model;
Fig. 4 is the radiating portion circuit diagram of transmitter of the present utility model;
Fig. 5 be transmitter of the present utility model to line partial circuit figure;
Fig. 6 is the receiving unit circuit diagram of receiver of the present utility model;
Fig. 7 be receiver of the present utility model to line partial circuit figure.
In figure, each component names is as follows:
100-transmitter;
102-signal generating module;
1021-vibration produces circuit;
1022-shaping circuit;
103-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;
110-wire;
120-zero line;
200-receiver;
201-LC antiresonant circuit;
202-one stage signal amplifying circuit;
203-volume control circuit;
204-second signal amplifying circuit;
205-three grades of signal amplification circuits;
206-loudspeaker;
207-battery feed circuit;
208-lighting circuit;
209-signal indicating circuit;
210-receiver J-Horner;
220-receiving interface module;
The 2201-the second conductor interface;
The 2202-the second zero line interface;
230-the second pair of line indicating circuit.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the utility model is further illustrated, in accompanying drawing, similarly element numbers represents similar element.
As shown in Figure 1, the hunting device with break-make measuring ability of the present utility model comprises transmitter 100 and receiver 200.
As shown in Figure 2, transmitter 100 of the present utility model comprise signal generating module 102, 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 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 generation circuit 1021 produces single-frequency is exported after described shaping circuit 1022 shapings; amplify and form amplifying signal through described the first amplifying circuit 1031, 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; Described the second amplifying circuit 1032 is electrically connected with zero line 120.Described first pair of line indicating circuit 106 is electrically connected line decoding module 105 and transmission interface module 104 mutually with described respectively, and described transmission interface module 104 is electrically connected mutually with described wire 110.Described wire 110 is coaxial cable, telephone wire, netting twine or other metallic cable.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.
As shown in Figure 3, receiver 200 of the present utility model comprises LC antiresonant circuit 201, one stage signal amplifying circuit 202, second signal amplifying circuit 204, three grades of signal amplification circuits 205, loudspeaker 206, battery feed circuit 207, lighting circuit 208, receiving interface module 220 and second pair of line indicating circuit 230; Described LC antiresonant circuit 201 resonance receive the amplifying signal that described transmitter 100 is launched, and the amplifying signal receiving are delivered to described one stage signal amplifying circuit 202, second signal amplifying circuit 204 and three grades of signal amplification circuits 205 successively and carry out three grades of amplifications and export by described loudspeaker 206 afterwards; Described lighting circuit 208 is for illumination, and described battery feed circuit 207 is powered to described one stage signal amplifying circuit 202, second signal amplifying circuit 204, three grades of signal amplification circuits 205 and lighting circuit 208 respectively.Described one-level amplifying circuit 202 is analog amplify circuit, and second amplifying circuit 204 and three grades of signal amplification circuits 205 are all operational amplification circuit.Described LC antiresonant circuit 201 comprises a resonant inductance, and described resonant inductance is outstanding to be installed on outside the casing of described receiver 200, is similar to probe.Described receiving interface module 220 and second pair of line indicating circuit 230 are electrically connected mutually, and described receiving interface module 220 is electrically connected with described transmission interface module 104 mutually by described wire 110.Described line decoding module 105 is produced to high level through the 106 pilot lamp instructions of described first pair of line indicating circuit, through described the first conductor interface 1041, wire 110, the second conductor interface 2201 by described second pair of line indicating circuit, 230 pilot lamp instructions.
Preferably, described receiver 200 also comprises signal indicating circuit 209 (as shown in Figure 3), described battery feed circuit 207 is powered to described signal indicating circuit 209, described signal indicating circuit 209 is electrically connected with described three grades of signal amplification circuits 205, and described signal indicating circuit 209 is used to indicate the running status of described receiver 200.
Preferably, described receiver 200 also comprises receiver J-Horner 10 (as shown in Figure 3), and described receiver J-Horner 210 is electrically connected with described three grades of signal amplification circuits 205, for frames connecting with headphone output audio signal.
Preferably, described receiver 200 also comprises volume control circuit 203 (as shown in Figure 3), described volume control circuit 203 is electrically connected with described one stage signal amplifying circuit 202 and second signal amplifying circuit 204 respectively, and described volume control circuit 203 is for controlling the volume of described receiver 200.
Particularly, described transmission interface module 104 is RJ45 interface, RJ11 interface, bnc interface or USB interface; Described receiving interface module 220 is RJ45 interface, RJ11 interface, bnc interface or USB interface; Described volume control circuit 203 is an adjustable potentiometer, described adjustable potentiometer is in the time finding target cable (wire), adjust gradually the sensitivity of described receiver 200 according to the distance of described resonant inductance and target cable (wire), thereby effectively find target cable (wire).
Particularly, described tested cable (wire) is coaxial cable, telephone wire, netting twine or other metallic cable.Described to line decoding module 105 adopt LED drive chip (bit shift latch), and adopt be 8 bit shift latchs.
Fig. 4 is the radiating portion circuit diagram of transmitter of the present utility model.As shown in Figure 4, 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 output terminal of the other end of described capacitor C 2, the other end of described resistance R 1 and described transistor X1 is connected the output terminal of described Sheffer stroke gate UIB1 jointly.The shaping circuit 1022 of described signal generating module 102 comprises Sheffer stroke gate UIB2, and the output terminal of described Sheffer stroke gate UIB1 connects the input end of described Sheffer stroke gate UIB2.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 capacitor C 4 of the emitter of the resistance R 3 being connected with the ground level of described triode Q2 and the emitter that simultaneously connects described triode Q1 and triode Q2 forms, 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 after shaping, amplify and form after amplifying signal through described the first amplifying circuit 1031, outwards launch by described wire 110 through described the first conductor interface 1041.Described wire 110 is coaxial cable, telephone wire, netting twine or other metallic cable.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 capacitor C 5 of the emitter of 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 the emitter that simultaneously connects described triode Q3 and triode Q4 forms, and the other end of described appearance C5 connects zero line 120 by described the first zero line interface 1042.
Fig. 5 be transmitter of the present utility model to line partial circuit figure.As shown in Figure 5, describedly adopt LED to drive chip U2 to control to line decoding module 105, and what adopt 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 and diode D16, 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 and light emitting diode D17; The negative electrode of described diode D2 connects the anode of described light emitting diode D3 and the pin 15 of LED driving chip U2 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 of LED driving chip U2 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 of LED driving chip U2 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 of LED driving chip U2 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 of LED driving chip U2 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 of LED driving chip U2 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 of LED driving chip U2 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 of LED driving chip U2 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.
Fig. 6 is the receiving unit circuit diagram of receiver of the present utility model.As shown in Figure 6, described LC antiresonant circuit 201 comprises resonant inductance L1 and resonance capacitor C 11, is connected the signal input part of one stage signal amplifying circuit 202 after described resonant inductance L1 is in parallel with resonance capacitor C 11.Described one stage signal amplifying circuit 202 amplifies for analog amplify circuit adopts NPN type triode.Described second signal amplifying circuit 204 and three grades of signal amplification circuits 205 are operational amplification circuit, adopt operational amplifier to amplify.Described battery feed circuit 207 comprises battery, diode D23, polar capacitor C8, capacitor C 9 and C10, described anode is connected with described diode D23 is anodal, this end connects the power end of described lighting circuit 208 simultaneously, described diode D23 negative pole connects and connects polar capacitor C8 positive pole simultaneously, one end of capacitor C 9, one end of capacitor C 10, the power end of one stage signal amplifying circuit 202, the power end of second signal amplifying circuit 204, the power end of the power end of three grades of signal amplification circuits 205 and signal indicating circuit 209, described polar capacitor C8 positive pole, the other end of capacitor C 9, the other end of capacitor C 10 and battery cathode ground connection.Described lighting circuit 208 comprises switch SW 2, resistance R 12, LED 0, LED1, the input end of described switch SW 2 connects anode, one end of the output terminal contact resistance R12 of described switch SW 2, the other end of described resistance R 12 connects the positive pole of described LED 0, LED1 simultaneously, the minus earth of described LED 0, LED1.Described signal indicating circuit 209 comprises NPN type triode Q5, resistance R 9, R11, R10, LED 2 and capacitor C 12, the positive pole of described LED 2 connects the output terminal of described battery feed circuit 207, the negative pole of described LED 2 connects one end of described capacitor C 12 simultaneously, one end of resistance R 9, the other end of described resistance R 9 connects the collector of described NPN type triode Q5, the base stage of described NPN type triode Q5 connects one end of described resistance R 11 simultaneously, one end of resistance R 10, the other end of described capacitor C 12, the grounded emitter of the other end of resistance R 10 and NPN type triode Q5, the other end of described resistance R 11 connects the signal output part of described three grades of signal amplification circuits 205.
Fig. 7 be receiver of the present utility model to line partial circuit figure.As shown in Figure 7, described receiving interface module 220 adopts connection terminal P3, and the pin 1 of described connection terminal P3 forms the second conductor interface 2201 to pin 8 pin, and the pin 9 of described connection terminal P3 to pin 10 pin form the second zero line interface 2202, described second pair of line indicating circuit 230 comprises diode D18, diode D20, diode D22, diode D24, diode D26, diode D28, diode D30 and diode D32, 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 and light-emitting diodes light D33, 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 negative electrode of the anode of diode D32 and light emitting diode D33.
Brief description principle of work of the present utility model:
Hunting principle of work: 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 after shaping; amplify and form after amplifying signal through described the first amplifying circuit 1031, outwards launch by described wire 110 through described the first conductor interface 1041; Described LC antiresonant circuit 201 resonance receive the amplifying signal that described transmitter 100 is launched, and the amplifying signal receiving are delivered to described one stage signal amplifying circuit 202, second signal amplifying circuit 204 and three grades of signal amplification circuits 205 successively and carry out three grades of amplifications and export by described loudspeaker 206 afterwards.
To line principle of work: described wire 110 is described as an example of 8 inner cores example, and described the first conductor interface 1041 and the second conductor interface 2201 are inserted respectively in the two ends of described wire 110, the inner core 1 of wire 110 described in gating simultaneously, inner core 2, it is low level that described LED drives the pin 1 of chip U2, it is high level that described LED drives the pin 15 of chip U2, 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 U2 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 U2 is low level, it is high level that described LED drives the pin 1 of chip U2, 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 U2 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 U2 to produce high level, and described light emitting diode D7, light emitting diode D23 are luminous, described LED drives the pin 3 of chip U2 to produce high level, and described light emitting diode D9, light emitting diode D25 are luminous, described LED drives the pin 4 of chip U2 to produce high level, and described light emitting diode D11, light emitting diode D27 are luminous, described LED drives the pin 5 of chip U2 to produce high level, and described light emitting diode D13, light emitting diode D29 are luminous, described LED drives the pin 6 of chip U2 to produce high level, and described light emitting diode D15, light emitting diode D31 are luminous, described LED drives the pin 7 of chip U2 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 U2 to drive the pin 1 to 7 of chip U2 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 utility model has the advantage of, the utility model is existing to be had line function to have hunting function, to opening circuit, path can accurately judge, when hunting, owing to adopting LC antiresonant circuit, can only receive a kind of signal of frequency, antijamming capability is strong, signal intensity is large, use sound effect is good, highly sensitive and noise is few, the sound signal of output feature clearly.Be provided with illumination and earphone, can normal running under the bad environment of light and under noisy environment.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (1)

1. one kind has the hunting device of break-make measuring ability, comprise transmitter (100) and receiver (200), it is characterized in that: described transmitter (100) comprises signal generating module (102), 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 amplifies and forms amplifying signal through described amplification module (103), described amplification module (103) is connected wire (110) and is launched described amplifying signal by described wire (110) by described transmission interface module (104), described first pair of line indicating circuit (106) is electrically connected line decoding module (105) and transmission interface module (104) with described respectively, described receiver (200) comprises LC antiresonant circuit (201), one stage signal amplifying circuit (202), second signal amplifying circuit (204), three grades of signal amplification circuits (205), loudspeaker (206), battery feed circuit (207), lighting circuit (208), receiving interface module (220) and second pair of line indicating circuit (230), described LC antiresonant circuit (201) resonance receives the described amplifying signal of described transmitter (100) transmitting, and the amplifying signal receiving is delivered to described one stage signal amplifying circuit (202) successively, second signal amplifying circuit (204) and three grades of signal amplification circuits (205) carry out three grades of amplifications afterwards by described loudspeaker (206) output, described lighting circuit (208) is for illumination, described battery feed circuit (207) is respectively to described one stage signal amplifying circuit (202), second signal amplifying circuit (204), three grades of signal amplification circuits (205) and powered lighting circuit (208) power supply, described receiving interface module (220) and second pair of line indicating circuit (230) electrical connection.
2. the hunting device with break-make measuring ability as claimed in claim 1, it is characterized in that: described receiver (200) also comprises signal indicating circuit (209), described battery feed circuit (207) is powered to described signal indicating circuit (209), described signal indicating circuit (209) is electrically connected with described three grades of signal amplification circuits (205), and described signal indicating circuit (209) is used to indicate the running status of described receiver (200).
3. the hunting device with break-make measuring ability as claimed in claim 1, it is characterized in that: described receiver (200) also comprises receiver J-Horner (210), described receiver J-Horner (210) is electrically connected with described three grades of signal amplification circuits (205).
4. the hunting device with break-make measuring ability 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.
5. the hunting device with break-make measuring ability as claimed in claim 1, it is characterized in that: described 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 that described signal generating module (102) produces single-frequency amplifies and forms amplifying signal through described the first amplifying circuit (1031), described the first amplifying circuit (1031) is connected wire (110) and is launched described amplifying signal by described wire (110) by described transmission interface module (104), described the second amplifying circuit (1032) is electrically connected with zero line (120) by described transmission interface module (104).
6. the hunting device with break-make measuring ability as claimed in claim 1, is characterized in that: described to line decoding module (105) employing LED driving chip.
7. the hunting device with break-make measuring ability as described in claim 1 to 6 any one, is characterized in that: described wire (110) is coaxial cable, telephone wire, netting twine.
8. the hunting device with break-make measuring ability as described in claim 1 to 6 any one, it is characterized in that: described receiver (200) also comprises volume control circuit (203), described volume control circuit (203) is electrically connected with described one stage signal amplifying circuit (202) and second signal amplifying circuit (204) respectively, and described volume control circuit (203) is for controlling the volume of described receiver (200).
9. the hunting device with break-make measuring ability as described in claim 1 to 6 any one, is characterized in that: described transmission interface module (104) is RJ45 interface, RJ11 interface, bnc interface or USB interface.
10. the hunting device with break-make measuring ability as claimed in claim 8, is characterized in that: described volume control circuit (203) is an adjustable potentiometer.
CN201420318445.XU 2014-06-16 2014-06-16 Hunting apparatus with on-off detection function Expired - Lifetime CN203909185U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420318445.XU CN203909185U (en) 2014-06-16 2014-06-16 Hunting apparatus with on-off detection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420318445.XU CN203909185U (en) 2014-06-16 2014-06-16 Hunting apparatus with on-off detection function

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108020757A (en) * 2017-12-22 2018-05-11 贵州思源信息科技有限公司 A kind of multi-functional line walking device
CN109188168A (en) * 2018-08-29 2019-01-11 扬州大学 A kind of multi-functional on-off pen
CN111580014A (en) * 2020-05-25 2020-08-25 云南电网有限责任公司玉溪供电局 Efficient secondary cable digital wire aligning device and wire aligning method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108020757A (en) * 2017-12-22 2018-05-11 贵州思源信息科技有限公司 A kind of multi-functional line walking device
CN108020757B (en) * 2017-12-22 2024-04-30 贵州思源信息科技有限公司 Multifunctional line inspection device
CN109188168A (en) * 2018-08-29 2019-01-11 扬州大学 A kind of multi-functional on-off pen
CN111580014A (en) * 2020-05-25 2020-08-25 云南电网有限责任公司玉溪供电局 Efficient secondary cable digital wire aligning device and wire aligning method thereof

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