CN2153771Y - Wireless drilling hole multipoint displacement meter - Google Patents
Wireless drilling hole multipoint displacement meter Download PDFInfo
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- CN2153771Y CN2153771Y CN 93236366 CN93236366U CN2153771Y CN 2153771 Y CN2153771 Y CN 2153771Y CN 93236366 CN93236366 CN 93236366 CN 93236366 U CN93236366 U CN 93236366U CN 2153771 Y CN2153771 Y CN 2153771Y
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 21
- 238000005553 drilling Methods 0.000 title abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 12
- 239000003245 coal Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- -1 stope top board Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a wireless drilling hole multipoint displacement meter composed of a detector, a detecting rod and an indicator. The detector converts the position information of a magnet in a drilling hole into a frequency signal, the frequency signal is modulated to a carrier wave and emitted by the aluminum detecting rod, the indicator receives the wireless signal emitted by the detector and demodulates the original low frequency signal carrying the position information of the magnet, a meter head is used to indicate the position of the magnet, and the displacement of rock mass deformation is detected. The utility model has the advantages of convenient operation and portability, working safety and uneasy leakage of detecting points, and the utility model is the wireless detecting meter for the deformation displacement detection of rocks with different depth inside mine roadway surrounding rocks, top plates in mining fields, coal columns, side slopes, etc.
Description
The utility model is to belong to the drilling displacement field of measuring technique.
The boring multipoint displacement meter is the instrument that is used for the deformation displacement measurement amount of inner different depth rock mass such as mine working country rock, stope top board, coal column and side slope.At present, existing multiple boring multipoint displacement meter, patent 89207960.6 is exactly a kind of wired boring multipoint displacement meter that adopts Hall element to survey, be about to detector by the Hall element making, be connected with the pointer gauge outfit with the cable that passes measuring staff, measure the magnet positions that moves with rock mass in the boring.Because tested boring reaches more than ten meter, must interconnect lengthening with more than ten measuring staffs one meter long, Hall element could be delivered at the bottom of the hole, the quad that is connected with Hall element must pass measuring staff one by one and be connected with gauge outfit with connector.Therefore, this boring multipoint displacement meter exists and uses shortcomings such as carrying dangerous reliable, the measured point leakiness of inconvenience, work.
The purpose of this utility model just provides a kind of novel wireless boring multipoint displacement meter, to overcome the shortcoming that above-mentioned wired boring multipoint displacement meter exists.
The utility model is made up of detector, measuring staff, indicator.Wherein: the detector that constitutes by Hall element, amplifying circuit, Voltage-Controlled oscillation circuit and modulating emission circuit, be near the small voltage signal that records during tested magnet in the boring with Hall element, amplify, convert frequency signal to, behind the modulated carrier, be transmitted into lane space again by the aluminum measuring staff.Because boring reaches more than ten meter, available more than ten one meter long aluminum measuring staff connects lengthening, and first section aluminum measuring staff is the shell of detector, is again emitting antenna.The indicator that constitutes by FM reception demodulator circuit, audio power amplifier circuit, Schmidt trigger, monostalbe trigger and gauge outfit, the wireless signal that pick-up probe sends, therefrom demodulate the former low frequency signal that carries magnet positions information, and indicate Hall element and the relative position that is arranged in the tested magnet of boring with gauge outfit.Read and write down the distance of tested magnet from measuring staff at last, and be converted into being the distance of basic point at the bottom of the hole from the aperture.Twice data are this rock mass (magnet moves with rock mass) deformation displacement amount relatively.
The utility model has been cancelled more than ten meter long quad and connector, makes detector, measuring staff, indicator become three separate parts, and more than ten measuring staff one meter long is separate extension bar, carries, easy to use, safe and reliable.In addition, when the tested magnet, also, be difficult for the test leakage point at detector with the sound equipment prompting.Be a kind of wireless measurement instrument that is used for the deformation displacement measurement amount of inner different depth rock mass such as mine working country rock, stope top board, coal column and side slope, can be mine excavation, supporting, side slope design, pillar size and selection at interval etc. reliable data are provided.
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is a detector electrical schematic diagram of the present utility model.
Accompanying drawing 3 is an indicator electrical schematic diagram of the present utility model.
Embodiment of the present utility model is described further in conjunction with the accompanying drawings.
It is in one meter the aluminum pipe 4 less than 20mm, length that detector 2 that is made of Hall element 1, amplifying circuit, Voltage-Controlled oscillation circuit and modulating emission circuit and power-supply battery 3 are encapsulated in diameter together, wherein: Hall element 1 is placed in the front end of aluminum pipe 4, + 6V battery 3 is placed in the tail end of aluminum pipe 4, and the circuit that constitutes detector 2 is placed in the centre of aluminum pipe 4.This aluminum pipe 4 is the shell of detector 2, is again emitting antenna, simultaneously also as first section measuring staff.Many one meter long aluminum measuring staff 5 reach each other with first section measuring staff between all adopt the lengthening that is threaded, the radical of aluminum measuring staff 5 is decided on the hole depth of holing.
Shown in 2 ,+6V cell voltage adds to mu balanced circuit, Hall element 1, amplifying circuit, Voltage-Controlled oscillation circuit, modulating emission circuit respectively after resistance R 1 with reference to the accompanying drawings.Mu balanced circuit is by stable pipe IC
1Constitute, when guaranteeing power-supply fluctuation, do not influence measuring accuracy.Capacitor C
1Be power filtering capacitor.IC
2Be that integrated hall sensors 1(model is UGN3501), be used for surveying the position of the magnet that is arranged in boring, when measuring staff stretches into boring, Hall element is during near magnet, and the magnetic field intensity of magnet is by Hall element IC
2Change the variation of DC level into, from Hall element IC
2The DC voltage of the 3 pin output big circuit that veers away.Amplifying circuit is by resistance R
2～R
5, amplifier IC
3Constitute R
1, R
2Be IC
3Provide bias voltage, R
4, R
5Determine its enlargement factor, the voltage signal after the amplification is by IC
3Voltage-Controlled oscillation circuit is sent in output, to control its oscillation frequency.By resistance R
6～R
9, capacitor C
2With amplifier IC
4Constitute typical square-wave oscillator circuit, its oscillation frequency is removed and R
9, C
2Outside the Pass having, also relevant with the current potential of in-phase end, work as IC
3The DC potential of output when changing, just changed oscillation frequency.Amplifier IC
3, IC
4Be to adopt a slice LM353 double operational integrated chip.IC
4The oscillator signal of output is through R
10, R
11The decay coupling is by coupling capacitance C
3Deliver to frequency modulation emission integrated circuit (IC)
512 ends, IC
5Model be BA1404.By capacitor C
4～C
8, inductance L
1, L
2, frequency modulation emission integrated circuit (IC)
5In the modulating emission circuit that constitutes, be connected to IC respectively
5The L at 9,10 two ends
1, C
4, C
6, C
7Be the high frequency carrier oscillating element, the frequency of this carrier oscillator is subjected to IC
5The low frequency signal modulation of 12 ends inputs, modulated signal after amplifying from IC
57 ends output, through L
2, C
5The resonant tank, the coupling capacitance C that constitute
8, FM signal is coupled on the aluminum measuring staff as emitting antenna, be transmitted in the lane space.
With reference to the accompanying drawings shown in 3, by the indicator 6 that FM reception demodulator circuit, audio power amplifier circuit, Schmidt trigger, monostalbe trigger, gauge outfit 7 constitute, power supply employing+6V battery.The FM reception demodulator circuit is by resistance R
12, capacitor C
9～C
20, inductance L
3, FM reception integrated chip IC
6(model is TDA7010) formed, wherein: IC
6Have efficient, local oscillator, mixing, in put, frequency discrimination, low function such as put; C
14Be coupling capacitance, the high-frequency fm signal that will sense from antenna 8, coupling is (from IC
611 ends inputs) give IC
6Inner height is put; IC
61 end through noise elimination output capacitance C
9Connect+6V, 2 ends are respectively through the capacitor C of postemphasising
17, audio frequency output load resistance R
12Back ground connection, between 4 ends, 5 ends and connect the decision local frequency L
3, C
18, and connect respectively+6V and through power filtering capacitor C
20Ground connection, 7 ends are through intermediate filter capacitor C
19Ground connection, 9 ends are put filter capacitor C in the second level
16Connect+6V, 10 ends are through the low-pass filtering capacitor C
15Connect+6V, 12 ends are put shunt capacitance C through height
13Ground connection, 13 ends are through amplitude limit amplifier stage shunt capacitance C
12Connect+6V, 14 end ground connection, 15 ends are through frequency discrimination shift capacitor C
11Connect+6V, 16 ends are through correlator shift capacitor C
10Connect+6V; From IC
6The demodulation of 2 ends output after signal through coupling capacitance C
21Send IC
7Input end (3 end).By audio frequency power amplifier IC
7(model LM386), capacitor C
22The audio power amplifier circuit that constitutes is with IC
71 end and 8 ends between connect the capacitor C of adjusting enlargement factor
22, 6 terminations+6V, 2 ends, 4 end ground connection, the sound signal after the output of 5 ends is amplified, and through C
23Coupling is to monitoring headpone Z with through D
1, R
13Send by IC
8The Schmidt trigger that constitutes.Here diode D
1And resistance R
13Be to convert bipolar signal to unipolar signal.When detector when the tested magnet, operating personnel hear tangible tonal variations from earphone Z, seek measuring point to remind operating personnel.By amplifier IC
8(model LM353), resistance R
14～R
16The Schmidt trigger that constitutes is shaped to square-wave signal with sound signal, via capacitor C
24, resistance R
17Behind the differentiating circuit that constitutes, send IC
92 ends.By resistance R
18, capacitor C
25, IC
9(LM555) monostalbe trigger of Gou Chenging is with IC
96,7 two ends respectively through C
25Ground connection connects+6V through R18, and 4,8 terminations+6V, 1 end ground connection, microampere gauge outfit 7 is sent in the output of 3 ends.Here R
18, C
25Be monostable timing element.Work as IC
92 ends inputs square wave frequency not simultaneously, IC
93 ends output then be the pulse signal of change in duty cycle, by the gauge outfit indicating circuit that constitutes by microampere gauge outfit 7 and potentiometer W, indicate the mean value of this pulse signal.The Changing Pattern of this mean value is consistent with the output of Hall element in the detector, promptly indicates the relative position of Hall element and magnet.When indicator sensing mid point, and slightly mobile measuring staff, indicator is promptly to two edge run-outs, and this point is a tested point.Read and write down the distance of tested magnet from measuring staff at last, and be converted into being the distance of basic point at the bottom of the hole from the aperture.Twice data are this rock mass (magnet moves with rock mass) deformation displacement amount relatively.
Claims (5)
1, a kind of novel wireless boring multipoint displacement meter, form by detector, measuring staff, indicator, wherein: detector comprises Hall element, amplifying circuit, Voltage-Controlled oscillation circuit and modulating emission circuit, indicator comprises FM reception demodulator circuit, audio power amplifier circuit, Schmidt trigger, monostalbe trigger and gauge outfit, it is characterized in that:
A. encapsulate detector (2) and power-supply battery (3) with one meter of length, diameter less than the aluminum pipe (4) of 20mm, and Hall element (1) is placed the front end of aluminum pipe (4), + 6V battery places the tail end of aluminum pipe (4), and the circuit that constitutes detector (2) places the centre of aluminum pipe (4); Aluminum pipe (4) is the shell of detector (2), is again emitting antenna, simultaneously also as first section measuring staff, many one meter long aluminum measuring staff (5) reach each other with first section measuring staff between all adopt the lengthening that is threaded;
The b.+6V cell voltage is through resistance R
1After add to mu balanced circuit, Hall element (1), amplifying circuit, Voltage-Controlled oscillation circuit and the modulating emission circuit that constitutes detector (2) respectively; Mu balanced circuit is by stabilivolt IC
1Constitute capacitor C
1Be power filtering capacitor; The magnetic field intensity that will be arranged in the magnet of boring changes the Hall element (1) that DC level changes into, is to adopt integrated hall sensors IC
2, its 3 end is exported the big circuit that veers away; Amplifying circuit is by resistance R
2～R
5, amplifier IC
3Constitute R
1, R
2Be IC
3Provide bias voltage, R
4, R
5Determine its enlargement factor, the voltage signal after the amplification is by IC
3Output is sent by resistance R
6～R
9, capacitor C
2With amplifier IC
4The typical square-wave oscillator circuit that constitutes; IC
4The oscillator signal of output is through R
10, R
11The decay coupling is by coupling capacitance C
3Deliver to frequency modulation emission integrated circuit (IC)
512 ends; By capacitor C
4～C
8, inductance L
1, L
2, frequency modulation emission integrated circuit (IC)
5In the modulating emission circuit that constitutes, be connected to IC respectively
5The L at 9,10 two ends
1, C
4, C
6, C
7Be the high frequency carrier oscillating element, the frequency of this carrier oscillator is subjected to IC
5The low frequency signal modulation of 12 ends inputs, modulated signal after amplifying from IC
57 ends output, and through L
2, C
5The resonant tank, the coupling capacitance C that constitute
8, FM signal is coupled on the aluminum measuring staff as emitting antenna;
C. constitute indicator (6) FM reception demodulator circuit, audio power amplifier circuit, execute close trigger, monostalbe trigger, gauge outfit (7), its power supply employing+6V battery; By FM reception integrated chip IC
6, resistance R
12, capacitor C
9～C
20, inductance L
3The FM reception demodulator circuit that constitutes is with IC
61 end through C
9Connect+6V, 2 ends are respectively through C
17, R
12Ground connection is between 4,5 two ends and meet C
18, L
3, and connect respectively+6V and through C
20Ground connection, 7 ends are through C
19Ground connection, 9 ends are through C
16Connect+6V, 10 ends are through C
15Connect+6V, 11 ends are through C
14Connect antenna (8), 12 ends are through C
13Ground connection, 14 end ground connection, 15 ends are through C
11Connect+6V, 16 ends are through C
10Connect+6V, sense high-frequency fm signal from antenna (8), through C
14Be coupled to IC
611 ends, from IC
6The demodulation of 2 ends output after signal through coupling capacitance C
21Send IC
73 ends; By audio frequency power amplifier IC
7, capacitor C
22The audio power amplifier circuit that constitutes is with IC
71 end and 8 ends between meet C
22, 6 ends+6V, 2 ends, 4 end ground connection, the sound signal after the amplification of 5 ends output is through C
23Coupling is sent monitoring headpone Z and through diode D
1, resistance R
13After send Schmidt trigger; By amplifier IC
8, resistance R
14～R
16The Schmidt trigger that constitutes is that sound signal is shaped as square-wave signal, via capacitor C
24, resistance R
17Behind the differentiating circuit that constitutes, send IC
92 ends; By resistance R
17, capacitor C
25, IC
9(LM555) monostalbe trigger of Gou Chenging is with IC
96,7 two ends respectively through R
18Connect+6V, through C
25Ground connection, 1 end ground connection, 4,8 liang of termination+6V, a microampere gauge outfit (7) and potentiometer W are sent in the output of 3 ends.
2, wireless boring multipoint displacement meter according to claim 1 is characterized in that: Hall element IC
2Model be UGN3501, amplifier IC
3IC
4IC
8Be to adopt LM353 double operational integrated chip, IC
5Be BA1404 frequency modulation emission integrated circuit, IC
6Be TDA7010 FM reception integrated circuit, IC
7Be audio frequency power amplifier LM386.
3, wireless boring multipoint displacement meter according to claim 1 is characterized in that: by resistance R
6～R
9, capacitor C 2 and amplifier IC
4The square-wave oscillator circuit that constitutes, its oscillation frequency is removed and R
9, C
2Outside the Pass having, also relevant with the current potential of in-phase end, work as IC
3The DC potential of output when changing, just changed oscillation frequency.
4, according to claim 1 or 3 described wireless boring multipoint displacement meters, it is characterized in that: diode D
1, resistance R
13Be to convert bipolar signal to unipolar signal; Resistance R
18, capacitor C
25Be monostable timing element.
5, wireless boring multipoint displacement meter according to claim 1 is characterized in that: the radical of aluminum measuring staff (5) is decided on the boring hole depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93236366 CN2153771Y (en) | 1993-02-28 | 1993-02-28 | Wireless drilling hole multipoint displacement meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93236366 CN2153771Y (en) | 1993-02-28 | 1993-02-28 | Wireless drilling hole multipoint displacement meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2153771Y true CN2153771Y (en) | 1994-01-19 |
Family
ID=33811555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93236366 Expired - Fee Related CN2153771Y (en) | 1993-02-28 | 1993-02-28 | Wireless drilling hole multipoint displacement meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2153771Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063122A (en) * | 2013-01-04 | 2013-04-24 | 中国计量学院 | Underground displacement three-dimensional measurement method and device based on Hall effect and magnetoresistive effect |
| CN103673940A (en) * | 2013-11-15 | 2014-03-26 | 化工部长沙设计研究院 | Method and device for detecting roof separation layer and shear deformation |
| CN105387821A (en) * | 2015-12-16 | 2016-03-09 | 山东科技大学 | Test device for monitoring vertical compression deformation amount of coal pillar |
-
1993
- 1993-02-28 CN CN 93236366 patent/CN2153771Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063122A (en) * | 2013-01-04 | 2013-04-24 | 中国计量学院 | Underground displacement three-dimensional measurement method and device based on Hall effect and magnetoresistive effect |
| CN103063122B (en) * | 2013-01-04 | 2015-05-06 | 中国计量学院 | Underground displacement three-dimensional measurement method and device based on Hall effect and magnetoresistive effect |
| CN103673940A (en) * | 2013-11-15 | 2014-03-26 | 化工部长沙设计研究院 | Method and device for detecting roof separation layer and shear deformation |
| CN103673940B (en) * | 2013-11-15 | 2016-05-11 | 化工部长沙设计研究院 | Roof delamination and detrusion detection method and device |
| CN105387821A (en) * | 2015-12-16 | 2016-03-09 | 山东科技大学 | Test device for monitoring vertical compression deformation amount of coal pillar |
| CN105387821B (en) * | 2015-12-16 | 2017-11-07 | 山东科技大学 | A kind of experimental rig for being used to monitor the vertical compress variation of coal column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |