CN209263957U - Sensor arrangement structure for the monitoring of shaft of vertical well deflection - Google Patents

Abstract

The utility model discloses the sensor arrangement structure for the monitoring of shaft of vertical well deflection, in 2~3 datum marks of basement rock location arrangements of the borehole wall, in each datum mark mounted angle sensor；Several measuring points are set along the borehole wall of main shaft axial direction, are connected in series between each measuring point mounted angle sensor, each obliquity sensor；And slot on the borehole wall of the obliquity sensor same level of measuring point, strain transducer is installed in slot, is connected in series between each strain transducer.Using the sensor arrangement structure monitored for shaft of vertical well deflection, measurement accuracy is high, resolution ratio be 0.001 °, 0.005 ° of gamut scope precision, 0.001 °/DEG C of temperature drift, good environmental adaptability, degree of protection IP67 can run well under -30 DEG C~85 DEG C environment, be able to satisfy the requirement of coal mine shaft lining pit shaft deflection monitoring, sensor signal is transferred to the ground controlling terminal on well by main cable, realizes automatic, acquisition in real time.

Description

Sensor arrangement structure for the monitoring of shaft of vertical well deflection

Technical field

The present invention relates to coal mine shaft lining pit shaft deflection monitoring technical fields.It is particularly used for the monitoring of shaft of vertical well deflection Sensor arrangement structure.

Background technique

Currently, domestic monitor coal mine shaft lining pit shaft deflection, often continues to use traditional suspending steel wire rope and carry out deformation survey It is longer to occupy the pit shaft time, and cannot achieve automatic monitoring for the geometric measurement method of amount, influences the normal production of mine.Inclination angle passes Sensor has a more application in the measurement of vertical building tilt, such as skyscraper, overhead transmission line shaft tower tilt angle Measurement etc., but be not yet applied and promote in mining industry field.Therefore, how to design one kind can be applied to coal mine shaft lining pit shaft Deflection monitoring method, and have the characteristics that precision height, good environmental adaptability, meet the requirement of coal mine shaft lining pit shaft deflection monitoring It is this field always in the project of research.

Summary of the invention

For this purpose, technical problem to be solved by the present invention lies in provide a kind of use for realizing long-range, automatic and real-time acquisition In the sensor arrangement structure of shaft of vertical well deflection monitoring.

In order to solve the above technical problems, the invention provides the following technical scheme:

For the sensor arrangement structure of shaft of vertical well deflection monitoring, in 2~3 benchmark of basement rock location arrangements of the borehole wall Point, in each datum mark mounted angle sensor；Several measuring points are set along the borehole wall of main shaft axial direction, in each measuring point Mounted angle sensor is connected in series between each obliquity sensor；And the borehole wall of the obliquity sensor same level in measuring point Upper fluting is equipped with strain transducer in slot, is connected in series between each strain transducer；Ground control is equipped with eventually on ground End, the current output terminal of the ground controlling terminal is by the current input terminal of leader cable and the obliquity sensor and described answers Become the current output terminal electrical connection of sensor；The signal input output end of the ground controlling terminal is inclined by main cable with described The communication connection of the signal input output end of the signal input output end of angle transducer and the strain transducer.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, several monitorings are axially arranged along main shaft Sectional layer, except the distance of well head to the first monitoring section layer L1 is 1m-20m, the distance of remaining each monitoring section interlayer is 40m-100m；The borehole wall along each monitoring section layer arranges measuring point, and obliquity sensor is fixedly mounted on the borehole wall at measuring point: the 4 obliquity sensors of installation are equally spaced on the borehole wall of one monitoring section layer L1；On the borehole wall of remaining each monitoring section layer 4 obliquity sensors of installation are equally spaced, and are slotted on the borehole wall of same level, 5 groups of strain sensings are installed in slot Device；Strain transducer described in every group includes lateral fiber Bragg grating strain sensor and longitudinal fiber Bragg grating strain sensor, and horizontal It is cascaded to fiber Bragg grating strain sensor and longitudinal fiber Bragg grating strain sensor.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection is set along the axial -10m~-460m of main shaft Set 8 monitoring section layers: -10m is that the first monitoring section layer L1, -100m is that the second monitoring section layer L2, -160m supervises for third Sectional layer L3 is surveyed, -240m is that the 4th monitoring section layer L4, -290m is that the 5th monitoring section layer L5, -330m is disconnected for the 6th monitoring Surface layer L6, -420m are that the 7th monitoring section layer L7, -460m is the 8th monitoring section layer L8；Between being waited on the borehole wall of first layer L1 4 obliquity sensors are installed away from arrangement；4 inclination angles of installation are also equally spaced on the borehole wall of second layer L2~eight layer L8 to pass Sensor, and equidistantly slot on the borehole wall of same level, 5 groups of strain transducers are installed in slot.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the automatic collection of the ground controlling terminal are set Standby and system current output terminal is electrically connected with the current input terminal of the leader cable；The automatic collection of the ground controlling terminal The signal input output end of equipment and system and the signal input output end of the main cable communicate to connect；The main cable and institute It states leader cable to transfer from well head, be fixed from top to bottom between manway；First monitoring section layer L1 to the 8th monitoring 4 obliquity sensors of each monitoring section layer of sectional layer L8 are connected in series with optical cable, are introduced into protecting box, are linked into key light Cable, the signal input output end of the main cable pass through the signal input output end communication link of optical cable and the obliquity sensor It connects；4 obliquity sensors are together in series with cable, are introduced into protecting box, and leader cable, the leader cable current output terminal are linked into It is electrically connected by cable with the current input terminal of the obliquity sensor；The protecting box is mounted on shaft of vertical well solar key light Near cable；5 groups of strain transducers of each monitoring section layer of the second monitoring section layer L2 to the 8th monitoring section layer L8 are used up Cable is connected in series, and is introduced into protecting box, is linked into main cable, the signal input output end of the main cable pass through optical cable with it is described The signal input output end of strain transducer communicates to connect；5 groups of strain transducers are together in series with cable, are introduced into protecting box, It is linked into leader cable, the main cable current output terminal is electrically connected by optical cable with the current input terminal of the strain transducer.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the main cable are 16 core optical cables；Ground control The a set of 15 optical passage signal processors of the automatic acquisition equipment and system configuration of terminal processed are monitored on-line.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the obliquity sensor includes: to be mutually perpendicular to The uniaxial sensing chip of first placed and the second uniaxial sensing chip；Described first uniaxial sensing chip and the first caching amplification electricity Road is connected；Described second uniaxial sensing chip is connected with the second caching amplifying circuit；The first caching amplifying circuit and second Caching amplifying circuit is connected with single-chip microcontroller；The single-chip microcontroller is connected with signal conversion module.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the obliquity sensor further includes power supply pressure stabilizing Circuit, with the described first uniaxial sensing chip, the first caching amplifying circuit, the second uniaxial sensing chip, the second caching amplification electricity Road, single-chip microcontroller, signal conversion module are connected；The power supply stabilization circuit is used to delay to the described first uniaxial sensing chip, first It deposits amplifying circuit, the second uniaxial sensing chip, the second caching amplifying circuit and 5 volts of voltages of high quality temperature-compensating is provided, give institute Single-chip microcontroller is stated 3.3 volts of voltages are provided and provide 5 volts of voltages to the signal conversion module；The power supply stabilization circuit input voltage 3.3 volts and 5 volts are exported through MIC5202-33YM, MIC5202-50YM, the respectively described single-chip microcontroller and signal conversion module are powered； 5 volts of voltages of outputting high quality are the described first uniaxial biography after REF02AU carries out temperature-compensating after chip 5430 exports 5 volts Sense chip, the first caching amplifying circuit, the second uniaxial sensing chip, the second caching amplifying circuit power supply.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the described first uniaxial sensing chip and/or institute Stating the second uniaxial sensing chip is SCA103T_D04 chip；

The end feet 6,9,10 of described first uniaxial inclination angle sensing chip is grounded together, and end feet 12 connects 5 volts of voltages, and end feet 11 is logical It crosses resistance R1 and connects the first caching amplifying circuit, end feet 5 connects the first caching amplifying circuit by resistance R5；

The end feet 6,9,10 of described second uniaxial inclination angle sensing chip is grounded together, and end feet 12 connects 5 volts of voltages, and passes through electricity Hold C1 ground connection, end feet 11 connects the second caching amplifying circuit by resistance R10, and end feet 5 connects described second by resistance R15 and delays Deposit amplifying circuit.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the first caching amplifying circuit and/or institute Stating the second caching amplifying circuit is OP284；

The end feet 3 and end feet 5 of the first caching amplifying circuit are grounded by capacitor C4 and capacitor C2 respectively, and end feet 4 connects Ground, end feet 8 connects 5 volts of voltages, and is grounded by capacitor C5；End feet 1, end feet 2 are grounded after being shorted by resistance R2 and resistance R3, electricity The intermediate contact of resistance R2 and resistance R3 is connected to the single-chip microcontroller, and end feet 6, end feet 7 are grounded after being shorted by resistance R6 and resistance R8, Resistance R6 and resistance R8 intermediate contact are connected to the single-chip microcontroller；

The end feet 3 and end feet 5 of the second caching amplifying circuit are grounded by capacitor C10 and capacitor C11 respectively, end feet 4 Ground connection, end feet 8 connects 5 volts of voltages, and is grounded by capacitor C30, and end feet 1, end feet 2 connect after being shorted by resistance R11 and resistance R12 Ground, resistance R11 and resistance R12 intermediate contact are connected to the single-chip microcontroller, end feet 6, end feet 7 be shorted after by resistance R16 and resistance R17 ground connection, resistance R16 and resistance R17 intermediate contact are connected to the single-chip microcontroller.

The above-mentioned sensor arrangement structure for the monitoring of shaft of vertical well deflection, the single-chip microcontroller are C8051F350 chip；Institute The end feet 21 for stating single-chip microcontroller is connected to 3.3 volts of voltages, and end feet 21 is grounded further through capacitor C6, and end feet 9, end feet 32 are grounded, end feet 11, End feet 12 is sequentially connected to emulation downloader end feet 3, end feet 2 respectively, and emulation downloader end feet 1 is grounded, and emulation downloader end feet 2 passes through Resistance R14 connects 3.3 volts of voltages；The respectively described first caching amplifying circuit of end feet 1, end feet 2, end feet 7 and end feet 8, second are delayed The output voltage of amplifying circuit is deposited, end feet 10 connects 3.3 volts, and end feet 19 connects the base stage of triode Q1, and end feet 17, end feet 18 connect described Signal conversion module；The connecting pin of end feet 15, end feet 16 indirect resistance R13 and crystal oscillator Y1, crystal oscillator Y1 and end feet 15 passes through capacitor C12 ground connection, crystal oscillator Y1 and the connecting pin of end feet 16 are grounded by capacitor C13；End feet 23 connects 3.3 volts through resistance R9, and end feet 28 passes through Resistance R22 ground connection, end feet 31 are grounded through resistance R7, connect 5 volts of voltages through resistance R4；

The signal conversion module is 888 chip of HVD；End feet 1, the end feet 4 of 888 chip of HVD connect the monolithic Machine, end feet 2, end feet 3, which are shorted, connects 5 volts of voltages, the hair for being shorted point while being connected to triode Q1 of end feet 2, end feet 3 through resistance R21 Emitter-base bandgap grading, the grounded collector of triode Q1；End feet 5 is grounded, and end feet 8 connects 5 volts of voltages, and is grounded through capacitor C16, and end feet 6 connects letter Number output terminals A, end feet 7 meet signal output end B；The indirect a pair of of end feet 6 and end feet 7 inhibits pipe D3, two-way transient state suppression to transient state The point that tubulation D3 is connect with end feet 7 connects after a two-way transient state inhibits pipe D4 again and is grounded, and two-way transient state inhibits pipe D3 to connect with end feet 7 Point connecting resistance R24 be grounded after connecting resistance R25 again, the point that two-way transient state inhibits pipe D3 to connect with end feet 6 connects a two-way transient state again It is grounded after inhibiting pipe D2, connecting resistance R18 is followed by 5 volts of electricity to the point connecting resistance R19 that two-way transient state inhibits pipe D3 to connect with end feet 6 again Pressure.

Technical solution of the present invention achieves following beneficial technical effect:

The obliquity sensor for the monitoring of coal mine shaft lining pit shaft deflection that the present invention uses, can be installed on shaft wall structure, The inclination angle of shaft structure spatially is measured, pit shaft can be measured along centerline direction angle change amount, by converting To the deviation data of shaft structure, measurement accuracy is high, and resolution ratio is 0.001 °, and 0.005 ° of gamut scope precision, temperature drift 0.001 °/DEG C, good environmental adaptability, degree of protection IP67 can run well under -30 DEG C~85 DEG C environment, be able to satisfy coal The requirement of mine shaft of vertical well deflection monitoring.

In addition, in order to guarantee that sensing chip work in inclination angle in optimum state, carries out individually designed, selection to the power supply of its chip The high accurate supply voltage of temperature stability.In order to be applicable in harsh environments, which takes highly dense seal structure design and protects Demonstrate,prove sensor long-term stable operation.With good rain-proof, dust-proof and moisture proof, protection from fumes, mould proof ability.

After connecting obliquity sensor and strain transducer, sensor signal is transferred to the ground on well by main cable and controls Terminal processed, tester can be realized by automatic acquisition equipment and system and test in wellhead ground, realizes and adopts automatically, in real time Collection.

Detailed description of the invention

Pit shaft profile monitoring point of Fig. 1 present invention for the sensor arrangement structure of shaft of vertical well deflection monitoring arranges signal Figure；

Pit shaft monitoring section layer measuring point sensing of Fig. 2 present invention for the sensor arrangement structure of shaft of vertical well deflection monitoring Device arrangement schematic diagram；

Structural representation of Fig. 3 present invention for the obliquity sensor of the sensor arrangement structure of shaft of vertical well deflection monitoring Figure；

Structural schematic diagram of Fig. 4 present invention for the obliquity sensor of the sensor arrangement structure of shaft of vertical well deflection monitoring (another embodiment)；

Obliquity sensor power supply stabilization circuit of Fig. 5 present invention for the sensor arrangement structure of shaft of vertical well deflection monitoring Circuit diagram；

Obliquity sensor first uniaxial sensing of Fig. 6 present invention for the sensor arrangement structure of shaft of vertical well deflection monitoring The circuit diagram of chip and the first caching amplifying circuit；

Obliquity sensor second uniaxial sensing of Fig. 7 present invention for the sensor arrangement structure of shaft of vertical well deflection monitoring The circuit diagram of chip and the second caching amplifying circuit；

Circuit of Fig. 8 present invention for the obliquity sensor single-chip microcontroller of the sensor arrangement structure of shaft of vertical well deflection monitoring Figure；

Obliquity sensor signal conversion module of Fig. 9 present invention for the sensor arrangement structure of shaft of vertical well deflection monitoring Circuit diagram.

Appended drawing reference indicates in figure are as follows: 1- obliquity sensor；2- transverse direction fiber Bragg grating strain sensor；The longitudinal direction 3- optical fiber light Grid strain transducer；The 4- borehole wall；5- main cable；6- leader cable；The ground 7- controlling terminal；The uniaxial sensing chip of 10- first；20- Second uniaxial sensing chip；30- first caches amplifying circuit；40- second caches amplifying circuit；50- single-chip microcontroller；60- signal turns Change the mold block；70- power supply stabilization circuit.

Specific embodiment

The principle of shaft of vertical well deflection monitoring method of the present invention: by shaft structure side section be assumed to one section it is fixed outstanding Arm beam measures measuring point inclination angle by obliquity sensor when the borehole wall glances off under the action of additional stress, can by calculating Obtain the deflection of measuring section pit shaft.The number of sensors of setting is more, and measurement accuracy is about high, quasi- finally by least square method Close out the skew curve of entire pit shaft measuring section.Compared with traditional measurement method, well can be directly measured using obliquity sensor The each position relative displacement situation of change of cylinder.

In view of the principle of monitoring method, the sensor arrangement structure for the monitoring of shaft of vertical well deflection of the invention,

(1) on the borehole wall, along 2~3 datum marks of basement rock location arrangements, in each datum mark mounted angle sensor, with It is standby to check；

(2) several measuring points are set along the borehole wall of main shaft axial direction, it is each in each measuring point mounted angle sensor Obliquity sensor is connected in series between (1)；The data measured using measuring point obliquity sensor are measured with datum mark obliquity sensor Data comparison, determine the deflection size of each measuring point；And it is opened on the borehole wall of the obliquity sensor same level of measuring point Slot is equipped with strain transducer in slot, is connected in series between each strain transducer；The number acquired according to strain transducer According to, measurement shaft wall structure stress, and then calculate the deformation of pit shaft part；The pit shaft height of the present embodiment is -10m~-460m；

8 monitoring section layers are arranged along the axial -10m~-460m of main shaft: -10m is the first monitoring section layer L1, - 100m is that the second monitoring section layer L2, -160m is third monitoring section layer L3, and -240m is the 4th monitoring section layer L4, -290m It is the 6th monitoring section layer L6, -420m for the 5th monitoring section layer L5, -330m be the 7th monitoring section layer L7, -460m is the Eight monitoring section layer L8；As depicted in figs. 1 and 2.

4 obliquity sensors 2 of installation are equally spaced on the borehole wall 4 of the first monitoring section layer L1；It is disconnected in the second monitoring Also 4 obliquity sensors 1 of installation are equally spaced on the borehole wall 4 of the monitoring section layer of surface layer L2~the 8th L8, and in same water It equidistantly slots on the flat borehole wall, 5 groups of strain transducers is installed in slot；Strain transducer described in every group includes lateral optical fiber light Grid strain transducer 2 and longitudinal fiber Bragg grating strain sensor 3, and lateral fiber Bragg grating strain sensor 2 and longitudinal optical fiber light Grid strain transducer 3 is cascaded；Second each monitoring section point layout of the monitoring section layer monitoring section layer of L2~the 8th L8 As shown in Figure 2.Entire pit shaft need to arrange 32 obliquity sensors.

(3) ground controlling terminal (7) are equipped on ground, the current output terminal of the ground controlling terminal (7) passes through main electricity Cable (6) is electrically connected with the current output terminal of the current input terminal of the obliquity sensor (1) and the strain transducer；Describedly The signal input output end of face controlling terminal (7) passes through the signal input output end of main cable (5) and the obliquity sensor (1) It is communicated to connect with the signal input output end of the strain transducer.

Matched power supply and data transmission cable are installed for obliquity sensor and strain transducer, ground will be connected to, and even Automatic acquisition equipment and system are connect, realizes automatic, acquisition in real time；The data finally acquired according to obliquity sensor, pass through minimum Square law fits the skew curve of entire pit shaft measuring section.

(3-1) arrangement main cable 5 and leader cable 6: obliquity sensor 1 and strain transducer are slotted after being installed, from well Mouth decentralization main cable 5 and leader cable 6, are fixed from top to bottom between manway；

(3-2) the first monitoring section layer L1 to the 8th each monitoring section layer of monitoring section layer L8 4 obliquity sensors 1 It is connected in series, is introduced into protecting box with optical cable, form a link, be then linked into main cable 5, the signal of the main cable 5 Input/output terminal passes through optical cable and the obliquity sensor 1) signal input output end communication connection；41 electricity consumptions of obliquity sensor Cable is together in series, and is introduced into protecting box, is then linked into leader cable 6,6 current output terminal of leader cable by cable with it is described The current input terminal of obliquity sensor 1 is electrically connected；The protecting box is mounted near shaft of vertical well solar main cable 5；

5 groups of strain sensings of each monitoring section layer of (3-3) the second monitoring section layer L2 to the 8th monitoring section layer L8 Device is connected in series with optical cable, is introduced into protecting box, is formed another link, is then linked into main cable 5, the main cable 5 Signal input output end is communicated to connect by the signal input output end of optical cable and the strain transducer；5 groups of strain transducers It is together in series, is introduced into protecting box with cable, be then linked into leader cable 6, main cable (6) current output terminal passes through optical cable It is electrically connected with the current input terminal of the strain transducer；

Main cable 5 and leader cable 6 are connected to the automatic acquisition equipment and system of ground controlling terminal 7, ground control by (3-4) The automatic acquisition equipment of terminal (7) processed and the current output terminal of system are electrically connected with the current input terminal of the leader cable (6)；Institute State ground controlling terminal (7) automatic acquisition equipment and the signal input output end of system and the signal of the main cable (5) it is defeated Enter output end communication connection；Realize automatic, acquisition in real time.After connecting obliquity sensor 1 and strain transducer, sensor signal Be transferred to the ground controlling terminal 7 on well by main cable, last test personnel according to automatic acquisition equipment and system, acquisition Obliquity sensor data are fitted the skew curve of entire pit shaft measuring section by least square method, can be realized in well head Face test.

The main cable 5 is 16 core optical cables, is able to satisfy the normal acquisition work of 100 strain transducers；Ground control is eventually The automatic acquisition equipment and a set of 15 optical passage signal processors of system configuration at end 7 are monitored on-line, are added up to logical using 12 3 channels are reserved in road.

Vital obliquity sensor 1 in the present invention, as shown in figure 3, including the first single shaft for being mutually perpendicular to place Sensing chip 10 and the second uniaxial sensing chip 20, such as the first uniaxial sensing chip 10 are placed vertically, the second uniaxial sensing core Piece 20 is horizontal positioned；First uniaxial sensing chip 10 is connected with the first caching amplifying circuit 30；Second uniaxial sensing chip 20 with Second caching amplifying circuit 40 is connected；First buffer circuit 30 is connected with the second buffer circuit 40 with single-chip microcontroller 50；Single-chip microcontroller 50 It is connected with signal conversion module 60.

The sensing element that obliquity sensor 1 is put into the first uniaxial sensing chip 10 and the second uniaxial sensing chip 20 will add Velocity amplitude is converted to two-way voltage signal, and voltage signal caches amplifying circuit 40 using the first caching amplifying circuit 30, second Impedance matching is carried out, signal quality is improved.Single-chip microcontroller 50 has A/D sampling channel, via the first caching amplifying circuit 30, second Inclination value is calculated after being sampled by the A/D sampling channel of single-chip microcontroller 50 in the signal that caching amplifying circuit 40 comes out, finally Signal is exported to the automatic acquisition equipment and system of ground controlling terminal 7 by main cable through signal conversion module 60.

As shown in figure 4, obliquity sensor 1 further includes power supply stabilization circuit 70 on the basis of Fig. 3 corresponding embodiment, Uniaxial sensing chip/20 of amplifying circuit 30, second, the second caching amplifying circuit are cached with the first uniaxial sensing chip 10, first 40, single-chip microcontroller 50, signal conversion module 60 are connected.For caching amplifying circuit 30, the to the first uniaxial sensing chip 10, first Two uniaxial sensing chips 20, second cache amplifying circuit 40 and provide 5 volts of voltages of high quality temperature-compensating, provide to single-chip microcontroller 3.3 volts of voltages and give signal conversion module provide 5 volts of voltages.

More specifically, as shown in figure 5,70 input voltage vin of power supply stabilization circuit exports 3.3 volts of electricity through MIC5202-33YM Pressure is that single-chip microcontroller is powered, and power supply stabilization circuit input voltage vin exports 5 volts of voltages through MIC5202-50YM, is signal modulus of conversion Block 60 is powered.70 input voltage vin of power supply stabilization circuit exports after REF02AU carries out temperature-compensating after 5,430 5 volts of outputs 5 volts of voltages of high quality are that the first uniaxial sensing chip 10, first caches the uniaxial sensing chip 20 of amplifying circuit 30, second, the Two caching amplifying circuits 40 are powered.

As shown in Figure 6 and Figure 7, the first uniaxial sensing chip 10 and/or the second uniaxial sensing chip 20 are SCA103T_D04 Chip.First caching amplifying circuit 30 and/or the second caching amplifying circuit 40 are OP284.

As shown in Figure 6；When the first uniaxial sensing chip 10 is SCA103T_D04 chip, the first caching amplifying circuit 30 is When OP284, as shown in fig. 6, the SCA103T_D04 chip has 12 end feets.End feet 6, end feet 9, end feet 10 are grounded together, end feet 12 connect 5 volts of voltages, and end feet 11 connects the end feet 5 of the first caching amplifying circuit OP284 by resistance R1, and end feet 5 is connect by resistance R5 The end feet 3 of first caching amplifying circuit OP284.The end feet 3 and end feet 5 of first caching amplifying circuit pass through capacitor C4 and electricity respectively Hold C2 ground connection, end feet 4 is grounded, and end feet 8 connects 5 volts of voltages, and is grounded by capacitor C5；End feet 1,2 be shorted after by resistance R2 and Resistance R3 ground connection, the intermediate contact of resistance R2 and resistance R3 are connected to single-chip microcontroller, end feet 6, end feet 7 be shorted after by resistance R6 and electricity R8 ground connection is hindered, resistance R6 and resistance R8 intermediate contact are connected to single-chip microcontroller.

When the second uniaxial sensing chip is SCA103T_D04 chip, and the second caching amplifying circuit is OP284, such as Fig. 7 institute Show, which there are 12 end feets, and end feet 6, end feet 9, end feet 10 are grounded together, and end feet 12 connects 5 volts of electricity Pressure, and be grounded by capacitor C1, end feet 11 connects the end feet 3 of the second caching amplifying circuit OP284 by resistance R10, and end feet 5 passes through Resistance R15 connects the end feet 5 of the second caching amplifying circuit OP284.The end feet 3 and end feet 5 of second caching amplifying circuit OP284 is distinguished It is grounded by capacitor C10 and capacitor C11, end feet 4 is grounded, and end feet 8 connects 5 volts of voltages, and is grounded by capacitor C30, end feet 1, end Foot 2 is grounded after being shorted by resistance R11 and resistance R12, and resistance R11 and resistance R12 intermediate contact are connected to single-chip microcontroller, end feet 6, end Foot 7 is grounded after being shorted by resistance R16 and resistance R17, and resistance R16 and resistance R17 intermediate contact are connected to single-chip microcontroller.

Single-chip microcontroller is C8051F350 chip.As shown in figure 8, single-chip microcontroller has 32 end feets.The end feet 21 of single-chip microcontroller is connected to electricity 3.3 volts of voltage output ends of source voltage regulator circuit, end feet 21 after a capacitor C6 further through being grounded, and end feet 9, end feet 32 are grounded, end feet End feet 11, end feet 12 are sequentially connected to emulation downloader end feet 3, end feet 2 respectively, and the end feet 1 for emulating downloader is grounded, emulation downloading The end feet 2 of device connects 3.3 volts of voltage output ends of power supply stabilization circuit through resistance R14.The end feet 1 of single-chip microcontroller, end feet 2, end feet 7, End feet 8 meets output voltage YOut1, YOut2 of the first caching amplifying circuit and the output voltage of the second caching amplifying circuit respectively XOut1, XOut2, end feet 10 are connected in 3.3 volts of analog signal module for power supply, and end feet 19 connects the base stage of triode Q1, end feet 17, End feet 18 connects signal conversion module.End feet 15, the indirect resistance R13 of end feet 16 and a crystal oscillator Y1, the company of crystal oscillator Y1 and end feet 15 It connects end to be grounded by capacitor C12, crystal oscillator Y1 and the connecting pin of end feet 16 are grounded by capacitor C13.End feet 23 connects electricity through resistance R9 3.3 volts of voltage output ends of source voltage regulator circuit, end feet 28 are grounded through resistance R22, and end feet 31 is grounded through resistance R7, is connect through resistance R4 5 volts of voltage output ends of power supply stabilization circuit.

In the specific implementation, signal conversion module is 888 chip of HVD；As shown in figure 9, the end feet 1 of 888 chip of HVD, End feet 4 connects single-chip microcontroller, and end feet 2, end feet 3 are shorted 5 volts of voltage output ends that power supply stabilization circuit is connect through resistance R21, end feet 2, end The short circuit point of foot 3 while the emitter for being connected to triode Q1, the grounded collector of triode Q1；End feet 5 is grounded, and end feet 8 connects 5 volts Voltage, and be grounded through capacitor C16, end feet 6 meets signal output end A, and end feet 7 meets signal output end B；End feet 6 and end feet 7 are indirectly One two-way transient state inhibits pipe D3, and the point that two-way transient state inhibits pipe D3 to connect with end feet 7 connects a two-way transient state again and pipe D4 is inhibited to be followed by Ground, the point connecting resistance R24 that two-way transient state inhibits pipe D3 to connect with end feet 7 are grounded after connecting resistance R25 again, two-way transient state inhibition pipe D3 The point connecting with end feet 6 connects after a two-way transient state inhibits pipe D2 again and is grounded, and the point that two-way transient state inhibits pipe D3 to connect with end feet 6 connects Connecting resistance R18 is followed by 5 volts of voltage output ends of power supply stabilization circuit to resistance R19 again.

The obliquity sensor for the monitoring of coal mine shaft lining pit shaft deflection that the present invention uses, can be installed on shaft wall structure, The inclination angle of shaft structure spatially is measured, pit shaft can be measured along centerline direction angle change amount, by converting To the deviation data of shaft structure, measurement accuracy is high, and resolution ratio is 0.001 °, and 0.005 ° of gamut scope precision, temperature drift 0.001 °/DEG C, good environmental adaptability, degree of protection IP67 can run well under -30 DEG C~85 DEG C environment, be able to satisfy coal The requirement of mine shaft of vertical well deflection monitoring.In addition, in order to guarantee uniaxial inclination angle sensing chip work in optimum state, to its core Piece power supply carries out individually designed, to select temperature stability high accurate supply voltage.In order to be applicable in harsh environments, the product It takes highly dense seal structure design and guarantees sensor long-term stable operation.With good rain-proof, dust-proof and moisture proof, Smoke prevention Mist, mould proof ability.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among still in present patent application scope of protection of the claims.

Claims (10)

1. for shaft of vertical well deflection monitoring sensor arrangement structure, which is characterized in that the borehole wall basement rock location arrangements 2~ 3 datum marks, in each datum mark mounted angle sensor (1)；Several measuring points are set along the borehole wall of main shaft axial direction, It is connected in series between each measuring point mounted angle sensor (1), each obliquity sensor (1)；And it is sensed at the inclination angle of measuring point It slots on the borehole wall of device (1) same level, strain transducer is installed in slot, is connected in series between each strain transducer； Be equipped with ground controlling terminal (7) on ground, the current output terminal of the ground controlling terminal (7) by leader cable (6) with it is described The current output terminal electrical connection of the current input terminal and the strain transducer of obliquity sensor (1)；The ground controlling terminal (7) signal input output end and the strain of the signal input output end by main cable (5) and the obliquity sensor (1) The signal input output end of sensor communicates to connect.

2. the sensor arrangement structure according to claim 1 for the monitoring of shaft of vertical well deflection, which is characterized in that along master Several monitoring section layers are axially arranged in well shaft, and except the distance of well head to the first monitoring section layer L1 is 1m-20m, remaining is each The distance of monitoring section interlayer is 40m-100m；The borehole wall along each monitoring section layer arranges measuring point, on the borehole wall at measuring point It is fixedly mounted obliquity sensor (1): being equally spaced 4 inclination angle sensings of installation on the borehole wall (4) of the first monitoring section layer L1 Device (1)；Also 4 obliquity sensors (1) of installation are equally spaced on the borehole wall (4) of remaining each monitoring section layer, and same It slots on the horizontal borehole wall, 5 groups of strain transducers is installed in slot；Strain transducer described in every group includes that lateral fiber grating is answered Become sensor (2) and longitudinal fiber Bragg grating strain sensor (3), and lateral fiber Bragg grating strain sensor (2) and longitudinal optical fiber Grating strain transducer (3) is cascaded.

3. the sensor arrangement structure according to claim 2 for the monitoring of shaft of vertical well deflection, which is characterized in that along master 8 monitoring section layers are arranged in the axial -10m~-460m of well shaft: -10m is that the first monitoring section layer L1, -100m is the second monitoring Sectional layer L2, -160m are third monitoring section layer L3, and -240m is that the 4th monitoring section layer L4, -290m is the 5th monitoring section It is the 8th monitoring section layer L8 that layer L5, -330m, which are the 7th monitoring section layer L7, -460m for the 6th monitoring section layer L6, -420m,； Installation 4 lateral fiber Bragg grating strain sensors (2) are equally spaced on the borehole wall (4) of the first monitoring section layer L1；? Also 4 obliquity sensors (1) of installation are equally spaced on the borehole wall (4) of the two monitoring section layer monitoring section layer of L2~the 8th L8, And it equidistantly slots on the borehole wall of same level, 5 groups of strain transducers is installed in slot.

4. the sensor arrangement structure according to claim 3 for the monitoring of shaft of vertical well deflection, which is characterized in that described The automatic acquisition equipment of ground controlling terminal (7) and the current output terminal of system and the current input terminal of the leader cable (6) electricity Connection；The automatic acquisition equipment of the ground controlling terminal (7) and the signal input output end of system and the main cable (5) Signal input output end communication connection；The main cable (5) and the leader cable (6) are transferred from well head, between manway It is fixed from top to bottom；4 inclination angles of first monitoring section layer L1 to the 8th each monitoring section layer of monitoring section layer L8 pass Sensor (1) is connected in series with optical cable, is introduced into protecting box, is linked into main cable (5), and the signal input of the main cable (5) is defeated Outlet is communicated to connect by optical cable and the signal input output end of the obliquity sensor (1)；4 obliquity sensor (1) electricity consumptions Cable is together in series, and is introduced into protecting box, is linked into leader cable (6), leader cable (6) current output terminal by cable with it is described The current input terminal of obliquity sensor (1) is electrically connected；The protecting box is mounted near shaft of vertical well solar main cable (5)； 5 groups of strain transducers of each monitoring section layer of the second monitoring section layer L2 to the 8th monitoring section layer L8 are connected with optical cable to be connected It connects, is introduced into protecting box, be linked into main cable (5), the signal input output end of the main cable (5) is answered by optical cable with described Become the signal input output end communication connection of sensor；5 groups of strain transducers are together in series with cable, are introduced into protecting box, are connect Enter to leader cable (6), leader cable (6) current output terminal is electrically connected by the current input terminal of optical cable and the strain transducer It connects.

5. the sensor arrangement structure according to claim 4 for the monitoring of shaft of vertical well deflection, which is characterized in that described Main cable (5) is 16 core optical cables；A set of 15 optical passage signals of the automatic acquisition equipment and system configuration of ground controlling terminal (7) Processor is monitored on-line.

6. -5 any sensor arrangement structure for the monitoring of shaft of vertical well deflection, feature exist according to claim 1 In the obliquity sensor (1) includes: the first uniaxial sensing chip (10) for being mutually perpendicular to place and the second uniaxial sensing chip (20)；Described first uniaxial sensing chip (10) is connected with the first caching amplifying circuit (30)；Described second uniaxial sensing chip (20) it is connected with the second caching amplifying circuit (40)；First caching amplifying circuit (30) and the second caching amplifying circuit (40) It is connected with single-chip microcontroller (50)；The single-chip microcontroller (50) is connected with signal conversion module (60).

7. the sensor arrangement structure according to claim 6 for the monitoring of shaft of vertical well deflection, which is characterized in that described Obliquity sensor (1) further includes power supply stabilization circuit (70), with the described first uniaxial sensing chip (10), the first caching amplification electricity Road (30), the second uniaxial sensing chip (20), the second caching amplifying circuit (40), single-chip microcontroller (50), signal conversion module (60) It is connected；The power supply stabilization circuit (70) be used for the described first uniaxial sensing chip (10), the first caching amplifying circuit (30), Second uniaxial sensing chip (20), the second caching amplifying circuit (40) provide 5 volts of voltages of high quality temperature-compensating, give the list Piece machine (50) provides 3.3 volts of voltages and provides 5 volts of voltages to the signal conversion module (60)；The power supply stabilization circuit (70) Input voltage is through 3.3 volts and 5 volts of MIC5202-33YM, MIC5202-50YM output, the respectively described single-chip microcontroller (50) and signal Conversion module (60) power supply；After chip 5430 exports 5 volts after REF02AU carries out temperature-compensating 5 volts of outputting high quality electricity It presses and delays for the described first uniaxial sensing chip (10), the first caching amplifying circuit (30), the second uniaxial sensing chip (20), second Deposit amplifying circuit (40) power supply.

8. the sensor arrangement structure according to claim 7 for the monitoring of shaft of vertical well deflection, which is characterized in that described First uniaxial sensing chip (10) and/or the second uniaxial sensing chip (20) are SCA103T_D04 chip；

The end feet 6,9,10 of described first uniaxial sensing chip (10) is grounded together, and end feet 12 connects 5 volts of voltages, and end feet 11 passes through electricity Resistance R1 connects first caching amplifying circuit (30), and end feet 5 connects first caching amplifying circuit (30) by resistance R5；

The end feet 6,9,10 of described second uniaxial sensing chip (20) is grounded together, and end feet 12 connects 5 volts of voltages, and passes through capacitor C1 Ground connection, end feet 11 connect second caching amplifying circuit (40) by resistance R10, and end feet 5 connects described second by resistance R15 and delays Deposit amplifying circuit (40).

9. the sensor arrangement structure according to claim 8 for the monitoring of shaft of vertical well deflection, which is characterized in that described First caching amplifying circuit (30) and/or second caching amplifying circuit (40) are OP284；

The end feet 3 and end feet 5 of first caching amplifying circuit (30) are grounded by capacitor C4 and capacitor C2 respectively, and end feet 4 connects Ground, end feet 8 connects 5 volts of voltages, and is grounded by capacitor C5；End feet 1, end feet 2 are grounded after being shorted by resistance R2 and resistance R3, electricity The intermediate contact of resistance R2 and resistance R3 is connected to the single-chip microcontroller, and end feet 6, end feet 7 are grounded after being shorted by resistance R6 and resistance R8, Resistance R6 and resistance R8 intermediate contact are connected to the single-chip microcontroller；

The end feet 3 and end feet 5 of second caching amplifying circuit (40) are grounded by capacitor C10 and capacitor C11 respectively, end feet 4 Ground connection, end feet 8 connects 5 volts of voltages, and is grounded by capacitor C30, and end feet 1, end feet 2 connect after being shorted by resistance R11 and resistance R12 Ground, resistance R11 and resistance R12 intermediate contact are connected to the single-chip microcontroller, end feet 6, end feet 7 be shorted after by resistance R16 and resistance R17 ground connection, resistance R16 and resistance R17 intermediate contact are connected to the single-chip microcontroller.

10. the sensor arrangement structure according to claim 9 for the monitoring of shaft of vertical well deflection, which is characterized in that institute Stating single-chip microcontroller (50) is C8051F350 chip；The end feet 21 of the single-chip microcontroller (50) is connected to 3.3 volts of voltages, end feet 21 further through Capacitor C6 ground connection, end feet 9, end feet 32 are grounded, and end feet 11, end feet 12 are sequentially connected to emulation downloader end feet 3, end feet 2 respectively, are imitated True downloader end feet 1 is grounded, and is emulated downloader end feet 2 through resistance R14 and is connect 3.3 volts of voltages；End feet 1, end feet 2, end feet 7 and end feet 8 be respectively the output voltage of first caching amplifying circuit (30), the second caching amplifying circuit (40), and end feet 10 connects 3.3 volts, End feet 19 connects the base stage of triode Q1, and end feet 17, end feet 18 connect the signal conversion module (60)；End feet 15, end feet 16 are indirect Resistance R13 and crystal oscillator Y1, crystal oscillator Y1 and the connecting pin of end feet 15 are grounded by capacitor C12, the connecting pin of crystal oscillator Y1 and end feet 16 It is grounded by capacitor C13；End feet 23 connects 3.3 volts through resistance R9, and end feet 28 is grounded through resistance R22, and end feet 31 is grounded through resistance R7, 5 volts of voltages are connect through resistance R4；

The signal conversion module (60) is 888 chip of HVD；End feet 1, the end feet 4 of 888 chip of HVD connect the monolithic Machine (50), end feet 2, end feet 3, which are shorted, connects 5 volts of voltages through resistance R21, end feet 2, end feet 3 short circuit point be connected to triode Q1 simultaneously Emitter, the grounded collector of triode Q1；End feet 5 is grounded, and end feet 8 connects 5 volts of voltages, and is grounded through capacitor C16, end feet 6 Signal output end A is met, end feet 7 meets signal output end B；The indirect a pair of of end feet 6 and end feet 7 inhibits pipe D3, two-way wink to transient state The point that state inhibits pipe D3 to connect with end feet 7 connects after a two-way transient state inhibits pipe D4 again and is grounded, and two-way transient state inhibits pipe D3 and end feet 7 The point connecting resistance R24 of connection is grounded after connecting resistance R25 again, and it is two-way that the point that two-way transient state inhibits pipe D3 to connect with end feet 6 connects one again Transient state is grounded after inhibiting pipe D2, and connecting resistance R18 is followed by 5 volts to the point connecting resistance R19 that two-way transient state inhibits pipe D3 to connect with end feet 6 again Voltage.