CN209231530U - A kind of underground cable depth sounding instrument - Google Patents
A kind of underground cable depth sounding instrument Download PDFInfo
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- CN209231530U CN209231530U CN201821595907.7U CN201821595907U CN209231530U CN 209231530 U CN209231530 U CN 209231530U CN 201821595907 U CN201821595907 U CN 201821595907U CN 209231530 U CN209231530 U CN 209231530U
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 24
- 238000010586 diagram Methods 0.000 description 5
- 238000009933 burial Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of underground cable depth sounding instrument, display is received including signal generator and signal, signal generator includes shell and the signal sending circuit module for being set to enclosure interior, switch, signal ground terminal and signal output terminal are provided on shell, the external 12V power supply of signal sending circuit module, including when base chip U1 and its peripheral original part, output end M connect by the signal output terminal on shell with one end of underground cable to be measured；It includes shell and the signal receiving circuit module for being set to enclosure interior that signal, which receives display, switch and indicator light are provided on shell, the external 9V power supply of signal receiving circuit module, including operational amplifier U2 and its peripheral original part, picking up signal end-coil L1 is set to hull outside by connecting line, signal display end luminous tube LED1 shows that the utility model can accurately detect the depth of burying of cable by the indicator light on shell.
Description
Technical field
The utility model relates to a kind of underground cable depth sounding instrument, belong to cable trace field of detecting.
Background technique
Currently, power cable is increasingly used in being used as power Transmission in electric system, it is contemplated that beautiful, safety etc.
Factors are mostly embedded in underground, in the external world when construction, such as laying sewer pipe, natural gas line, it is sometimes desirable to from buried
The top or lower part of cable are passed through over, it is therefore desirable to be known the depth of burying of cable, be hurt cable to prevent constructing rashly and cause
Accident.
Utility model content
The utility model technical issues that need to address are to provide a kind of underground cable sounding instrument, can precise measurement it is buried
Cable burial depth.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of underground cable depth sounding instrument, including signal generator and signal receive display, and signal generator includes shell
With the signal sending circuit module for being set to enclosure interior, it is defeated that power switch, signal ground terminal and signal are provided on shell
Terminal out, the external 12V power supply of signal sending circuit module, including when base chip U1 and its peripheral cell, output end M pass through shell
Signal output terminal on body is connect with one end of underground cable to be measured；Signal receives display and includes shell and be set to shell
Internal signal receiving circuit module is provided with power switch and indicator light, the external 9V electricity of signal receiving circuit module on shell
Source, including operational amplifier U2 and its peripheral cell, picking up signal end-coil L1 are set to hull outside, signal by connecting line
Display end luminous tube LED1 is shown by the indicator light on shell.
Technical solutions of the utility model further improvement lies in that: the when base chip U1 of the signal sending circuit module
One end connects 12V power supply after pin 8 and pin 4 connect, and the other end connects resistance R1, and the other end of resistance R1 connects 7 He of pin
The other end of resistance R2, resistance R2 connect capacitor C1 after being connected with pin 6, pin 2, the other end and pin 1 of capacitor C1 is grounded,
Pin 3 connects capacitor C2, and the other end of capacitor C2 is connected with output end M.
Technical solutions of the utility model further improvement lies in that: the signal sending circuit module when base chip use
NE555 model.
Technical solutions of the utility model further improvement lies in that: the coil L2 and capacitor of the signal receiving circuit module
C3 latter end ground connection in parallel, the other end are connect after being connected with coil L1 with the pin 3 of operational amplifier U2, the other end of coil L1
Ground connection, the pin 2 of operational amplifier U2 are connected with one end of resistance R4 and resistance R3 respectively, resistance R3 other end ground connection, resistance
The R4 other end is connected with the pin 6 of operational amplifier U2, and the pin 6 of operational amplifier U2 is connect with the one end capacitor C4, capacitor C4
The other end connect respectively with the anode of the cathode of diode D1 and diode D2, the cathode of diode D2 successively with resistance R5 and
The anode connection of luminous tube LED1, the cathode of luminous tube LED1 and the plus earth of diode D1, the external 9V power supply of pin 7.
Technical solutions of the utility model further improvement lies in that: the operational amplifier U2 of the signal receiving circuit module
Using OPO7 model.
By adopting the above-described technical solution, the technological progress that the utility model obtains is:
The utility model is added in the constant alternation sound generated on underground cable to be measured by pickoff signals transmitting line module
Frequency magnetic field signal, is capable of the depth of burying of precise measurement underground cable after filtering, amplification, rectification, and the external world will when constructing
It avoids well, prevents from injuring cable initiation accident.
Detailed description of the invention
Fig. 1 is the utility model principle block diagram；
Fig. 2 is the utility model signal sending circuit schematic diagram；
Fig. 3 is the utility model signal receiving circuit schematic diagram；
Fig. 4 is the utility model signal generator structural schematic diagram；
Fig. 5 is that the utility model signal receives display device structure schematic diagram；
Wherein, 1, signal ground terminal, 2, signal output terminal, 3, indicator light, 4, connecting line.
Specific embodiment
The utility model is described in further details below with reference to embodiment:
A kind of underground cable depth sounding instrument, including signal generator and signal receive display, and signal generator includes shell
With signal sending circuit module, power switch, signal ground terminal 1 and signal output terminal 2 are provided on shell, such as Fig. 2 institute
Show, signal sending circuit module by NE555 model when base chip U1 and its peripheral cell constitute 1000HZ audio signal send
Circuit, when base chip U1 pin 8 connect with pin 4 after one end connect 12V power supply, other end connection resistance R1, resistance R1's
The other end of other end connection pin 7 and resistance R2, resistance R2 connect capacitor C1 after being connected with pin 6, pin 2, capacitor C1's
The pin 1 of the other end and Shi Ji chip U1 are grounded by signal ground terminal 1 on shell, when base chip U1 pin 3 connect
The other end of capacitor C2, capacitor C2 are connected with signal output terminal 2, and signal output terminal 2 is connected with underground cable one end to be measured,
When base chip U1 the audio signal that exports of pin 3 be coupled on underground cable to be measured through capacitor C2, therefore just in entire cable
Axial path above generate constant alternation audio frequency magnetic field signal.
It includes shell and the signal receiving circuit module for being set to enclosure interior that signal, which receives display, is provided on shell
Switch and indicator light 3, as shown in figure 3, operational amplifier U2 and its peripheral cell of the signal receiving circuit module by OPO7 model
1000HZ signal receiving circuit is constituted, coil L2 latter end ground connection in parallel with capacitor C3 after the other end is connected with coil L1 and is transported
The pin 3 for calculating amplifier U2 connects, the other end of coil L1 ground connection, the pin 2 of operational amplifier U2 respectively with resistance R4 and electricity
The one end for hindering R3 is connected, and resistance R3 other end ground connection, the resistance R4 other end is connected with the pin 6 of operational amplifier U2, and operation is put
The pin 6 of big device U2 is connect with the one end capacitor C4, the other end of capacitor C4 respectively with the cathode of diode D1 and diode D2
Anode connection, the cathode of diode D2 successively with resistance R5 and luminous tube LED1 anode connect, the cathode of luminous tube LED1 with
The plus earth of diode D1, the external 9V power supply of pin 7 of operational amplifier U2, picking up signal end-coil L1 pass through connecting line 4
It is set to hull outside, 1000HZ audio frequency magnetic field signal is picked up by coil L1, the frequency selection circuit constituted through coil L2, capacitor C3 is filtered
The pin 3 that signal in addition to 1000HZ is input to operational amplifier U2 is exported after amplifying by its pin 6, through capacitor C4,
Adding on luminous tube LED1 after diode D1, D2 voltage multiplying rectifier through current-limiting resistance R5 lights it, and luminous tube LED1 passes through shell
On indicator light 3 show.
Application method:
The signal output terminal 2 of signal generator is connected with one end of underground cable to be measured, is turned on the power switch, is made whole
A constant alternation audio frequency magnetic field signal is generated above the axial path of a cable, the power supply that then opening signal receives display is opened
It closes, hand-held coil L1 makes coil be axially perpendicular to ground when detection, and luminous tube LED1 is lighted at this time, and signal receives on display
Indicator light 3 is bright, moves left and right coil L1, is when signal receives the indicator light 3 on display and goes out when i.e. luminous tube LED1 extinguishes
The surface of cable is labeled as t1, then by coil L1 rotation make its it is axial intersect with ground be 45 degree when, signal reception is shown
The bright i.e. luminous tube LED1 of indicator light 3 on device is lighted again, is then moved to left or is moved to right until signal receives the instruction on display
Lamp 3 goes out until i.e. luminous tube LED1 extinguishes, and marks as t2, the distance for measuring out t1 to t2 with a yardstick is the depth of cable burial
Degree.
Claims (5)
1. a kind of underground cable depth sounding instrument, it is characterised in that: receive display, signal generator including signal generator and signal
Including shell and the signal sending circuit module for being set to enclosure interior, power switch, signal ground terminal are provided on shell
(1) and signal output terminal (2), the external 12V power supply of signal sending circuit module, including when base chip U1 and its peripheral cell,
Its output end M is connect by the signal output terminal (2) on shell with one end of underground cable to be measured；Signal receives display packet
Shell and the signal receiving circuit module for being set to enclosure interior are included, is provided with power switch and indicator light (3), signal on shell
The external 9V power supply of receiving circuit module, including operational amplifier U2 and its peripheral cell, picking up signal end-coil L1 pass through connection
Line (4) is set to hull outside, and signal display end luminous tube LED1 is shown by the indicator light (3) on shell.
2. a kind of underground cable depth sounding instrument according to claim 1, it is characterised in that: the signal sending circuit module
When base chip U1 pin 8 and pin 4 connect after one end connect 12V power supply, the other end connects resistance R1, the other end of resistance R1
The other end of connection pin 7 and resistance R2, resistance R2 connect capacitor C1, the other end of capacitor C1 after being connected with pin 6, pin 2
It is grounded with pin 1, pin 3 connects capacitor C2, and the other end of capacitor C2 is connected with output end M.
3. a kind of underground cable depth sounding instrument according to claim 1, it is characterised in that: the signal sending circuit module
When base chip use NE555 model.
4. a kind of underground cable depth sounding instrument according to claim 1, it is characterised in that: the signal receiving circuit module
Coil L2 latter end ground connection in parallel with capacitor C3, the other end are connect after being connected with coil L1 with the pin 3 of operational amplifier U2, line
The other end ground connection of L1 is enclosed, the pin 2 of operational amplifier U2 is connected with one end of resistance R4 and resistance R3 respectively, and resistance R3 is another
End ground connection, the resistance R4 other end are connected with the pin 6 of operational amplifier U2, the pin 6 of operational amplifier U2 and the one end capacitor C4
Connection, the other end of capacitor C4 are connect with the anode of the cathode of diode D1 and diode D2 respectively, the cathode of diode D2 according to
The secondary anode with resistance R5 and luminous tube LED1 is connect, the cathode of luminous tube LED1 and the plus earth of diode D1, outside pin 7
Connect 9V power supply.
5. a kind of underground cable depth sounding instrument according to claim 1, it is characterised in that: the signal receiving circuit module
Operational amplifier U2 uses OPO7 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595907.7U CN209231530U (en) | 2018-09-29 | 2018-09-29 | A kind of underground cable depth sounding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595907.7U CN209231530U (en) | 2018-09-29 | 2018-09-29 | A kind of underground cable depth sounding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231530U true CN209231530U (en) | 2019-08-09 |
Family
ID=67499463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821595907.7U Active CN209231530U (en) | 2018-09-29 | 2018-09-29 | A kind of underground cable depth sounding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209231530U (en) |
-
2018
- 2018-09-29 CN CN201821595907.7U patent/CN209231530U/en active Active
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