CN105953775A - Steering drive circuit for foundation pit inclination survey system - Google Patents
Steering drive circuit for foundation pit inclination survey system Download PDFInfo
- Publication number
- CN105953775A CN105953775A CN201610254886.1A CN201610254886A CN105953775A CN 105953775 A CN105953775 A CN 105953775A CN 201610254886 A CN201610254886 A CN 201610254886A CN 105953775 A CN105953775 A CN 105953775A
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- pin
- driving motor
- ground connection
- turn
- resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention discloses a steering drive circuit for a foundation pit inclination survey system. The steering drive circuit comprises a steering drive motor and a steering drive chip, wherein the steering drive motor is provided with an inclination angle measuring chip; on the steering drive chip, a capacitor 1 for a first internal voltage stabilizer is arranged between and connected with a VRG1 pin and a VM pin, the VM pin and a VMA pin are connected with a VMB pin in a short-circuit way, and the VM pin, the VMA pin and the VMB pin are grounded through a polar capacitor E1, a polar capacitor E2 and a polar capacitor E1, respectively; the VM pin, the VMA pin and the VMB pin are respectively connected with a power supply of the steering drive motor, a phase-A power supply of the steering drive motor and a phase-B power supply of the steering drive motor; a MO pin is connected with a VRG2 pin in a short-circuit way, the VRG2 pin is grounded through a capacitor 2 for a second internal voltage stabilizer, and the MO pin is connected with the steering drive motor; and an OUT1A pin and an OUT2A pin are connected with a phase-A feedback terminal of the steering drive motor, and the OUT1B pin and an OUT2B pin are connected with a phase-B feedback terminal of the steering drive motor.
Description
Technical field
The present invention relates to a kind of pit inclinometer system in engineering test field with turning to drive circuit.
Background technology
Along with skyscraper gets more and more, the thing followed is that foundation depth is increasingly deeper, foundation depth
The most gradually it is developed to 10m, more than 20m by 6m, 8m.Therefore base pit engineering is at Modernized City Construction
Middle will play the most important role.
Base pit engineering is often in intensive building, road and bridge, underground utilities, subway tunnel or people
Near preventing engineering, though belonging to temporary work, but its technical complexity is far more than permanent basis
Structure or superstructure, in base pit engineering is put into practice, the actual working state of engineering is past with design conditions
Toward there is certain difference, design of foundation pit can't reflect the various changes of engineering comprehensively and exactly,
So in a planned way carrying out In-situ field monitoring under theoretical analysis and guidance just seem the most necessary, because
Careless slightly, not only will jeopardize the safety of foundation ditch itself, and construction of structures, the road closed on can be brought disaster to
Road and bridge beam and various underground installation.
Large deep foundation pit engineering must use information-aided construction to be put into current specifications requirement.Big moldeed depth
The safety of base pit engineering depends not only on reasonably design, construction, and depends on that being applied in engineering sets
Meter, the safety monitoring of construction overall process.Design and construction contact is become a friendship by safety monitoring work
The system of interaction, the construction information that monitoring obtains is analyzed by timely, and by analysis result
Feed back to design department, and then arrangement and method for construction is adjusted dynamically and optimizes, here it is information-based
The core purpose of construction.Owing to the destruction of base pit engineering supporting construction to experience one by quantitative change to qualitative change
Process, when dangerous situation occurs, early warning can be made by information-aided construction and take measures in time, when
The when that safety stock being excessive, enclosed structure can be cut down with time update design again, save construction cost.
Deviational survey is always one of monitoring project that insider is concerned about the most.Battering methods can be monitored
Excavation slope slope body deep deformation feature, the shape after campshed deformation；Calculate different depth land movement,
Monitor whether omen and the phenomenon of sediment failure.Therefore, deviational survey is in the safety monitoring of base pit engineering
Very important.
But, the most domestic inclination measurement system for pit retaining monitoring mostly also exists many weak points.
Such as tradition inclinometer precision is low, high mostly the involving great expense of deviational survey precision, and basic dependence on import is right
Artificial dependency is big, it is impossible to realize automatization's deviational survey.
The major reason causing drawbacks described above is that the positive return measurement of pit inclinometer system is difficult to.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of pit inclinometer system is used
Turning to drive circuit, it can realize 180 degree of rotations of measurement of dip angle chip, can realize pit inclinometer
The positive return of system is measured.
A kind of technical scheme realizing above-mentioned purpose is: a kind of pit inclinometer system is with turning to driving electricity
Road, including turning to driving motor and turning to driving chip；
Described turning to drives motor to be provided with measurement of dip angle chip；
Described turn to driving chip be provided with VRG1 pin, VM pin, VMA pin, VMB pin,
VRG2 pin, MO pin, VREF pin, CW/CWW pin, SGND1 pin, SGND2 pin,
PGNDB pin, PGNDA pin, OUT1A pin, OUT1B pin, OUT2A pin, OUT2B
Pin；
The first internal voltage regulator electric capacity C1, VM pin, VMA is connected between VRG1 pin and VM pin
Pin and VMB pin short circuit, VM pin, VMA pin corresponding with VMB pin by polar capacitor E1,
Polar capacitor E2 ground connection and polar capacitor E3 ground connection；VM pin, VMA pin are corresponding with VMB pin
Turn to described in connection drive motor power supply, described in turn to and drive the A phase power supply of motor and described turn to
Drive the B phase power supply of motor；
MO pin and VRG2 pin short circuit, and VRG2 pin is by the second internal voltage regulator electric capacity
C2 ground connection, MO pin connect described in turn to driving motor；
CW/CCW pin turns to driving motor described in connecting；
VREF pin turns to driving motor by described in resistance R1 connection, and by resistance parallel with one another
R2 and electric capacity C3 ground connection；
SGND1 pin and SGND2 pin short circuit ground connection, PGNDA pin and PGNDB pin short circuit
And ground connection；
OUT1A pin and OUT2A pin turn to, described in connecting, the A phase feedback end driving motor, and corresponding
Driven for turning to described in connection by resistance R8 and resistance R6 ground connection, OUT1B pin and OUT2B pin
The B phase feedback end of galvanic electricity machine is corresponding by resistance R7 and resistance R5 ground connection.
Further, turn to described in and on driving chip, be additionally provided with DOWN pin, RESET pin, ENB
Pin, ST/VCC pin, M1 pin, M2 pin, M3 pin；
DOWN pin turns to driving motor described in connecting, and turns to driving motor described in the connection of RESET pin,
ENB pin turns to driving motor described in connecting, and turns to driving motor, M1 described in the connection of ST/VCC foot
Pin, M2 pin and M3 pin turn to driving motor described in being all connected with.
Further, driving chip is turned to also to include described in: FDT pin, CLK pin, OSC2 draw
Foot, OSC1 pin, NFA pin and NFB pin；
NFA pin passes through resistance R3 ground connection, and NFB pin passes through resistance R4 ground connection；
FDT pin turns to driving motor described in connecting, and CLK pin connects a reference source；
OSC2 pin sets electric capacity C4 ground connection by energising locking detection time, and OSC1 pin is by cutting
Wave frequency sets electric capacity C5 ground connection.
Further, described in turn to driving motor be 8H28-0204A motor, described in turn to and drive
Dynamic chip is that THB6128 turns to driving chip.
Have employed a kind of pit inclinometer system technical scheme turning to drive circuit of the present invention, including
Turn to driving motor and turn to driving chip；Described turning to drives motor to be provided with measurement of dip angle chip；
Described turn to driving chip be provided with VRG1 pin, VM pin, VMA pin, VMB pin,
VRG2 pin, MO pin, VREF pin, CW/CWW pin, SGND1 pin, SGND2 pin,
PGNDB pin, PGNDA pin, OUT1A pin, OUT1B pin, OUT2A pin, OUT2B
Pin；The first internal voltage regulator electric capacity C1 is connected between VRG1 pin and VM pin, VM pin,
VMA pin and VMB pin short circuit, VM pin, VMA pin are corresponding with VMB pin by polarity electricity
Hold E1, polar capacitor E2 ground connection and polar capacitor E3 ground connection；VM pin, VMA pin and VMB draw
Foot correspondence connect described in turn to drive motor power supply, described in turn to and drive the A phase power supply of motor and institute
State and turn to the B phase power supply driving motor；MO pin and VRG2 pin short circuit, and VRG2 pin passes through
Second internal voltage regulator with electric capacity C2 ground connection, MO pin connect described in turn to driving motor；CW/CCW
Pin turns to driving motor described in connecting；VREF pin turns to driving electricity by described in resistance R1 connection
Machine, and by resistance R2 parallel with one another and electric capacity C3 ground connection；SGND1 pin and SGND2 pin
Short circuit ground connection, PGNDA pin and PGNDB pin short circuit ground connection；O OUT1A pin and OUT2A
Pin turns to, described in connecting, the A phase feedback end driving motor, and corresponding by resistance R8 and resistance R6
Ground connection, OUT1B pin and OUT2B pin are the B phase feedback end turning to described in connection and driving motor,
Corresponding by resistance R7 and resistance R5 ground connection.It has the technical effect that it can realize measurement of dip angle core
180 degree of rotations of sheet, the positive return that can realize pit inclinometer system is measured.
Accompanying drawing explanation
Fig. 1 is that a kind of pit inclinometer system of the present invention turns to driving chip with turning in drive circuit
Peripheral circuit diagram.
Detailed description of the invention
Referring to Fig. 1, the present inventor is in order to enable preferably to carry out technical scheme
Understand, below by specifically embodiment, and combine accompanying drawing and be described in detail:
Referring to Fig. 1, a kind of pit inclinometer system of the present invention is with turning to drive circuit, including turning to
Drive motor (not shown) and turn to driving chip 1, described in turn to driving motor to be provided with to incline
Angular measurement chip.The driving motor that turns to selected in the present embodiment is 8H28-0204A motor,
Its voltage is 4.8V, electric current 0.2A, resistance 24 ohm, inductance 8MH, maximum quiet torque 160g.cm,
Weight 0.05kg, fuselage length 28mm.The driving chip 1 that turns to selected in the present embodiment is
THB6128 turns to driving chip.THB6128 turns to the highest pressure for 36VDC, maximum of driving chip
Transient current is 2.2A, has 1,1/2,1/4,1/8,1/16,1/32,1/64,1/128 etc.
Multiple segmentation is optional, has automatic semi-fluid lock function, have decline soon, decline slowly, hybrid decay three
Planting damped manner optional, built-in temperature is protected and overcurrent protection simultaneously, and the bridge MOSFET that enjoys a double blessing drives
Dynamic, conducting resistance Ron is 0.55 ohm.
The pin turning to driving chip 1 includes that VRG1 pin, VM pin, VMA pin, VMB draw
Foot, VRG2 pin, MO pin, DOWN pin, RESET pin, ENB pin, ST/VCC draw
Foot, M1 pin, M2 pin, M3 pin, CW/CCW pin, VREF pin, SGND1 pin,
SGND2 pin, PGNDB pin, PGNDA pin, OUT1A pin, OUT1B pin, OUT2A
Pin, OUT2B pin, FDT pin, CLK pin, OSC2 pin, OSC1 pin, NFA draw
Foot and NFB pin.
Connecting the first internal voltage regulator electric capacity C1 between VRG1 pin and VM pin, first is internal steady
The capacitance of depressor electric capacity C1 is 0.1 μ F.VM pin is that motor power connects end, connects described
Turn to the power supply driving motor.Meanwhile, VM pin, VMA pin and VMB pin short circuit, and VM
Pin passes through polar capacitor E1 ground connection, and VMA pin passes through polar capacitor E2 ground connection, and VMB pin leads to
Cross polar capacitor E3 ground connection.Polar capacitor E1, polar capacitor E2 and polar capacitor E3 are negative pole
Ground connection, and capacitance is 22 μ F.Wherein VMA pin is that A phase motor power connects end, connects
The described A phase power supply turning to driving motor；VMB pin is that B phase motor power connects end, connects institute
State and turn to the B phase power supply driving motor.MO pin and VRG2 pin short circuit, VRG2 pin is by the
Two internal voltage regulators are with electric capacity C2 ground connection, and the capacitance of the second internal voltage regulator electric capacity C2 is 0.1
μF.MO pin turns to driving motor described in connecting, and turns to turning to of driving motor described in determining
Inclination angle.
DOWN pin is energising lock timing output, turns to driving motor described in connection.RESET pin
For reset signal input, described in connection, turn to driving motor, turn to driving for receiving from described
The reset signal of motor.ENB pin is that off line signal controls end, turns to driving motor described in connection,
For receiving from the described off line signal turning to driving motor.ST/VCC foot is Opportunity awaiting control for linear end,
Driving motor is turned to, for receiving from the described standby signal turning to driving motor described in connection.M1
Pin, M2 pin and M3 pin turn to driving motor described in being all connected with, and arrange end for segmentation, are used for
The parameter driving motor is turned to be configured to described.CW/CCW pin is the input of positive/negative rotaring signal
Hold, described in connection, turn to driving motor, be used for turning to described in controlling and determining the rotation side of driving motor
To.
VREF pin is current settings end, turns to driving motor, for right described in resistance R1 connection
The described electric current turning to driving motor is set.VREF pin is by resistance parallel with one another simultaneously
R2 and electric capacity C3 ground connection.
SGND1 pin and SGND2 pin short circuit ground connection, for turning to the signal ground of driving chip 1.
PGNDA pin and PGNDB pin short circuit ground connection, wherein, PGNDA pin formed described in turn to
Drive the A phase Power Groud of motor.PGNDB pin turns to, described in being formed, the B phase Power Groud driving motor.
OUT1A pin and OUT2A pin are the A phase output terminal turning to driving chip 1, and correspondence is passed through
Resistance R8 and resistance R6 ground connection, turn to the A phase feedback end driving motor described in connection, for institute
State and turn to the A phase output feedback signal driving motor.OUT1B pin and OUT2B pin are and turn to
The B phase output terminal of driving chip 1, turns to the B phase feedback end driving motor described in connection, and corresponding
By resistance R7 and resistance R5 ground connection, for turning to the B phase driving motor to export feedback letter to described
Number.The resistance of resistance R5, resistance R6, resistance R7 and resistance R8 is 3.3k Ω.
NFA pin passes through resistance R3 ground connection, and NFB pin passes through resistance R4 ground connection.Resistance R3 and electricity
The resistance value of resistance R4 is 2.5 Ω, is formed and turns to the current sense resistor of driving chip 1 to connect end.
FDT pin turns to driving motor described in connecting, and selects voltage input end for evanescent mode.
CLK pin connects a reference source, for pulse signal input terminal.
OSC2 pin sets electric capacity C4 ground connection by energising locking detection time, and its capacitance is
1500pF.OSC1 pin sets electric capacity C5 ground connection by chopping frequency, and its capacitance is 220pF.
A kind of pit inclinometer system of the present invention is with turning to drive circuit, it is possible to achieve measurement of dip angle chip
180 degree of rotations, can realize pit inclinometer system positive return measure.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to
The bright present invention, and it is not used as limitation of the invention, as long as at the spirit of the present invention
In, change, the modification of embodiment described above all will be fallen in the range of claims of the present invention.
Claims (4)
1. pit inclinometer system is with turning to a drive circuit, drives with turning to including turning to driving motor
Dynamic chip, it is characterised in that:
Described turning to drives motor to be provided with measurement of dip angle chip；
Described turn to driving chip be provided with VRG1 pin, VM pin, VMA pin, VMB pin,
VRG2 pin, MO pin, VREF pin, CW/CWW pin, SGND1 pin, SGND2 pin,
PGNDB pin, PGNDA pin, OUT1A pin, OUT1B pin, OUT2A pin, OUT2B
Pin；
The first internal voltage regulator electric capacity C1, VM pin, VMA is connected between VRG1 pin and VM pin
Pin and VMB pin short circuit, VM pin, VMA pin corresponding with VMB pin by polar capacitor E1,
Polar capacitor E2 ground connection and polar capacitor E3 ground connection；VM pin, VMA pin are corresponding with VMB pin
Turn to described in connection drive motor power supply, described in turn to and drive the A phase power supply of motor and described turn to
Drive the B phase power supply of motor；
MO pin and VRG2 pin short circuit, and VRG2 pin is by the second internal voltage regulator electric capacity
C2 ground connection, MO pin connect described in turn to driving motor；
CW/CCW pin turns to driving motor described in connecting；
VREF pin turns to driving motor by described in resistance R1 connection, and by resistance parallel with one another
R2 and electric capacity C3 ground connection；
SGND1 pin and SGND2 pin short circuit ground connection, PGNDA pin and PGNDB pin short circuit
And ground connection；
OUT1A pin and OUT2A pin turn to, described in connecting, the A phase feedback end driving motor, and corresponding
Driven for turning to described in connection by resistance R8 and resistance R6 ground connection, OUT1B pin and OUT2B pin
The B phase feedback end of galvanic electricity machine is corresponding by resistance R7 and resistance R5 ground connection.
A kind of pit inclinometer system the most according to claim 1 is with turning to drive circuit, and it is special
Levy and be: described in turn to be additionally provided with on driving chip DOWN pin, RESET pin, ENB pin,
ST/VCC pin, M1 pin, M2 pin, M3 pin；
DOWN pin turns to driving motor described in connecting, and turns to driving motor described in the connection of RESET pin,
ENB pin turns to driving motor described in connecting, and turns to driving motor, M1 described in the connection of ST/VCC foot
Pin, M2 pin and M3 pin turn to driving motor described in being all connected with.
A kind of pit inclinometer system the most according to claim 1 is with turning to drive circuit, and it is special
Levy and be: described in turn to driving chip also to include: FDT pin, CLK pin, OSC2 pin, OSC1
Pin, NFA pin and NFB pin；
NFA pin passes through resistance R3 ground connection, and NFB pin passes through resistance R4 ground connection；
FDT pin turns to driving motor described in connecting, and CLK pin connects a reference source；
OSC2 pin sets electric capacity C4 ground connection by energising locking detection time, and OSC1 pin is by cutting
Wave frequency sets electric capacity C5 ground connection.
A kind of pit inclinometer system the most according to claim 1 is with turning to drive circuit, and it is special
Levy and be: described in turn to driving motor be 8H28-0204A motor, described in turn to driving chip
Driving chip is turned to for THB6128.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254886.1A CN105953775A (en) | 2016-04-22 | 2016-04-22 | Steering drive circuit for foundation pit inclination survey system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254886.1A CN105953775A (en) | 2016-04-22 | 2016-04-22 | Steering drive circuit for foundation pit inclination survey system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105953775A true CN105953775A (en) | 2016-09-21 |
Family
ID=56915934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254886.1A Pending CN105953775A (en) | 2016-04-22 | 2016-04-22 | Steering drive circuit for foundation pit inclination survey system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105953775A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050188555A1 (en) * | 2004-03-01 | 2005-09-01 | Chih-Wei Hung | Level-measuring circuit of a laser tilt meter |
| CN203949636U (en) * | 2014-01-27 | 2014-11-19 | 武汉长澳大地工程有限公司 | Intelligent laser is replied formula convergence monitoring system |
| CN204595534U (en) * | 2015-05-15 | 2015-08-26 | 遵义师范学院 | A kind of Laser emission platform automatic leveling control circuit |
| US20150316372A1 (en) * | 2014-04-30 | 2015-11-05 | Hong Fu Jin Precision Industry (Wuhan) Co., Ltd. | System for outputting degree of inclination of electronic device |
-
2016
- 2016-04-22 CN CN201610254886.1A patent/CN105953775A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050188555A1 (en) * | 2004-03-01 | 2005-09-01 | Chih-Wei Hung | Level-measuring circuit of a laser tilt meter |
| CN203949636U (en) * | 2014-01-27 | 2014-11-19 | 武汉长澳大地工程有限公司 | Intelligent laser is replied formula convergence monitoring system |
| US20150316372A1 (en) * | 2014-04-30 | 2015-11-05 | Hong Fu Jin Precision Industry (Wuhan) Co., Ltd. | System for outputting degree of inclination of electronic device |
| CN204595534U (en) * | 2015-05-15 | 2015-08-26 | 遵义师范学院 | A kind of Laser emission platform automatic leveling control circuit |
Non-Patent Citations (1)
| Title |
|---|
| 高凤强等: "基于单片机和THB6128的上粉机电控系统研究", 《科技和产业》 * |
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Application publication date: 20160921 |