CN211740200U - Inclination angle sensor for tower crane - Google Patents
Inclination angle sensor for tower crane Download PDFInfo
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- CN211740200U CN211740200U CN202020761390.5U CN202020761390U CN211740200U CN 211740200 U CN211740200 U CN 211740200U CN 202020761390 U CN202020761390 U CN 202020761390U CN 211740200 U CN211740200 U CN 211740200U
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Abstract
The utility model relates to a tilt angle sensor for a tower crane, which comprises an input module, a 485 communication module, a main control module and a six-axis motion processing module which are connected with a power supply in sequence; the master control module comprises a microcontroller with the model of MM32F003NW, the six-axis motion processing module comprises a motion processor with the model of MPU6050, and the 485 communication module comprises a 485 transceiver with the model of TP 8485E; the utility model discloses a be used for monitoring tower machine two-axis inclination sensor to upgrade into three-axis inclination sensor among the prior art, realized the triaxial of tower machine gesture and detected, can grasp the tilt state of tower machine comprehensively, just the utility model discloses when the installation has reduced the installation degree of difficulty, even if installation face is not parallel with the measurement axis, corrects the calibration that can realize initial position through initial position, has improved the utility model discloses an installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of tower machine inclination detects, concretely relates to inclination sensor for tower machine.
Background
At present, a safety monitoring system is installed on a tower crane for realizing collision alarm, danger condition braking and the like of the tower crane, wherein an inclination angle sensor is also installed on the tower crane for monitoring the size of an inclination angle of a tower body in use, and when the inclination angle is greater than a certain critical state, an alarm is given in time, so that the tower crane is prevented from overturning accidents. The existing tilt angle sensors used by the tower crane are all double-shaft sensors, the double-shaft tilt angle sensors can ensure the measurement of the tilt angle on an XY plane, for example, but in practice, the tilt is difficult to ensure to be only on the XY plane, and the double-shaft tilt angle sensors can only measure one axial angle, an X axis or a Y axis, and if the two axial angles are measured at the same time, a cross axis error can be caused; and when installing the sensor, improper installation can lead to measuring the angle error to be big, therefore the installation face of sensor and the face to be measured fixed must closely, level, stability when the sensor is installed, the sensor axis must be parallel with the axis to be measured, two axes do not produce the contained angle as far as possible to reduce and measure the angle error, this has increased the installation requirement of inclination sensor in the intangible way.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art not enough and providing the inclination sensor for tower machine that can realize the triaxial monitoring.
The technical scheme of the utility model as follows:
the tilt angle sensor for the tower crane comprises an input module, a 485 communication module, a main control module and a six-axis motion processing module which are sequentially connected with a power supply; the master control module comprises a microcontroller with the model of MM32F003NW, the six-axis motion processing module comprises a motion processor with the model of MPU6050, and the 485 communication module comprises a 485 transceiver with the model of TP 8485E.
Further, pin 1 of microcontroller is connected with pin 3 of 485 transceiver through the opto-isolator, pin 2 of microcontroller is connected with pin 4 of 485 transceiver through the opto-isolator, pin 3 of microcontroller is connected with pin 1 of 485 transceiver through the opto-isolator, pin 11 of microcontroller is connected with motion processor's pin 12, pin 12 of microcontroller is connected with motion processor's pin 24, pin 13 of microcontroller is connected with motion processor's pin 23.
Further, through twentieth ohmic connection VCC3.3 between pin 11 of microcontroller and motion treater's pin 12, through nineteenth ohmic connection VCC3.3 between pin 12 of microcontroller and motion treater's pin 24, through eighteenth ohmic connection VCC3.3 between pin 13 of microcontroller and motion treater's pin 23, it has twenty-first resistance to establish ties between pin 11 of microcontroller and the tie point of twentieth resistance, and wherein twentieth resistance, nineteenth resistance, eighteenth resistance are 4.7K omega, the precision is 5%, and the resistance of twenty-first resistance is 1K omega, the precision is 1%.
Further, connect the GND earthing terminal after motion processor's pin 1, pin 11, pin 9 are connected, VCC3.3 is connected to motion processor's pin 8 and between pin 8 and VCC3.3 parallel connection have twentieth electric capacity and twenty-first electric capacity, the other end of twentieth electric capacity and twenty-first electric capacity meets the GND earthing terminal respectively, VCC3.3 and VCC3.3 parallel connection have twenty-fourth electric capacity and twenty-fifth electric capacity between pin 13 and VCC3.3 are connected to motion processor's pin 13, the other end of twenty-fourth electric capacity and twenty-fifth electric capacity meets the GND earthing terminal respectively, motion processor's pin 20 is connected with the GND earthing terminal through twenty-second electric capacity, motion processor's pin 10 is connected with the GND earthing terminal through twenty-third electric capacity.
Further, the input module comprises a voltage reduction and stabilization chip with the model XL1509 and a low dropout regulator with the model LD1117AG-33-AA 3-A-R.
Further, inclination sensor for tower machine still includes the shell and sets up mainboard in the shell, input module, 485 communication module, host system and six-axis motion processing module are integrated in on the mainboard, 2 at least diagonal angles in the bottom four corners of shell are provided with the absorption magnet piece, the bottom surface coplane setting of absorption magnet piece.
Furthermore, the bottom center of the adsorption magnet piece is provided with an inward-concave fixing groove, a first fixing hole is formed in the fixing groove, second fixing holes are formed in four corners of the bottom of the shell, and the first fixing hole is connected with the second fixing hole through bolt and nut threads.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a be used for monitoring tower machine two-axis inclination sensor to upgrade into three-axis inclination sensor among the prior art, realized the triaxial of tower machine gesture and detected, can grasp the tilt state of tower machine comprehensively, just the utility model discloses when the installation has reduced the installation degree of difficulty, even if installation face is not parallel with the measurement axis, corrects the calibration that can realize initial position through initial position, has improved the utility model discloses an installation effectiveness.
Drawings
Fig. 1 is a schematic connection diagram of an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of a main control module according to an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of an input module according to an embodiment of the present invention.
Fig. 4 is a schematic circuit diagram of a 485 communication module according to an embodiment of the present invention.
Fig. 5 is a schematic circuit diagram of a six-axis motion processing module according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an embodiment of the present invention.
In the figure, an input module 1, a 485 communication module 2, a main control module 3, a six-axis motion processing module 4, an adsorption magnet piece 5, a fixing groove 6, a bolt 7, a nut 8, a housing 9, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twentieth capacitor C20, a twenty-first capacitor C21, a twenty-second capacitor C22, a twenty-third capacitor C23, a twenty-fourth capacitor C24 and a twenty-fifth capacitor C25 are provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the tilt angle sensor for the tower crane comprises an input module 1, a 485 communication module 2, a main control module 3 and a six-axis motion processing module 4 which are sequentially connected with a power supply; the main control module 3 comprises a microcontroller with model MM32F003NW, the six-axis motion processing module 4 comprises a motion processor with model MPU6050, and the 485 communication module 2 comprises a 485 transceiver with model TP 8485E.
MM32F003NW is a 32-bit microcontroller based on ARM CORTEX M0 core, the highest working frequency can reach 48MHz, a high-speed memory is arranged in the microcontroller, and abundant enhanced I/0 ports and peripheral equipment are connected to an external bus; MPU6050 is a global first-money integration 6-axis motion processing component released by Invensense, compared with a multi-component scheme, the problem of axis difference when a gyroscope and an accelerator are combined is solved, the installation space is reduced, MPU6050 can utilize a self-contained Digital Motion Processor (DMP) hardware acceleration engine to output complete 6-axis fusion calculation data to a microcontroller, the microcontroller further processes the calculation data, and the calculation data is output to an upper computer through a 485 communication module to output the inclination angles on an X axis, a Y axis and a Z axis, so that the omnibearing monitoring of the inclination angle of the tower crane in the three-axis direction is realized; the attitude calculation of the tilt sensor is prior art and is not described herein.
Further, as shown in fig. 1 to 5, pin 1 of the microcontroller is connected with pin 3 of the 485 transceiver through the optical isolator, pin 2 of the microcontroller is connected with pin 4 of the 485 transceiver through the optical isolator, pin 3 of the microcontroller is connected with pin 1 of the 485 transceiver through the optical isolator, the optical coupler isolator is adopted to improve the signal-to-noise ratio and enable the 485 communication module to have stronger anti-interference performance and system stability, and the optical coupler isolator is F0D 817S; in addition, the separation of the 485 communication module from the power supply is realized by using the B0505S-1WR2 power supply module, so that the communication interference is prevented;
Further, as shown in fig. 1, 2, and 5, VCC3.3 is connected between a pin 11 of the microcontroller and a pin 12 of the motion processor through a twentieth resistor R20, VCC3.3 is connected between the pin 12 of the microcontroller and a pin 24 of the motion processor through a nineteenth resistor R19, VCC3.3 is connected between a pin 13 of the microcontroller and a pin 23 of the motion processor through an eighteenth resistor R18, and a twenty-first resistor R21 is connected in series between the pin 11 of the microcontroller and a connection point of the twentieth resistor R20, where the twentieth resistor R20, the nineteenth resistor R19, and the eighteenth resistor R18 are all 4.7K Ω and 5% in accuracy, the twenty-first resistor R21 has a resistance of 1K Ω and 1% in accuracy, and the twenty-first resistor R21, the twentieth resistor R20, the nineteenth resistor R19, and the eighteenth resistor R18 are used as current limiting resistors.
Further, as shown in fig. 5, the pin 1, the pin 11, and the pin 9 of the motion processor are connected and then connected to the ground terminal 6ND, the pin 8 of the motion processor is connected to VCC3.3, a twentieth capacitor C20 and a twenty-first capacitor C21 are connected in parallel between the pin 8 and the VCC3.3, the other ends of the twentieth capacitor C20 and the twenty-first capacitor C21 are connected to the ground terminal GND, the pin 13 of the motion processor is connected to VCC3.3, a twenty-fourth capacitor C24 and a twenty-fifth capacitor C25 are connected in parallel between the pin 13 and the VCC3.3, the other ends of the twenty-fourth capacitor C24 and the twenty-fifth capacitor C25 are connected to the ground terminal GND, the pin 20 of the motion processor is connected to the ground terminal GND through the twenty-second capacitor C22, and the pin 10 of the motion processor is connected to the ground terminal through the twenty-third capacitor C23.
Further, as shown in FIG. 3, the input module 1 includes a buck regulator chip with model XL1509 and a low dropout regulator with model LD1117AG-33-AA 3-A-R.
Further, as shown in fig. 6, inclination sensor for tower machine still includes shell 9 and the mainboard of setting in shell 9, input module 1, 485 communication module 2, host system 3 and six-axis motion processing module 4 are integrated on the mainboard, 2 at least diagonal angles in the bottom four corners of shell 9 are provided with adsorption magnet piece 5, adsorption magnet piece 5's bottom surface coplane sets up, general setting diagonal angle sets up two adsorption magnet pieces 5 or sets up three adsorption magnet piece 5, through adsorption magnet piece 5 can be swift adsorb inclination sensor for the tower machine on the position that the tower machine needs the installation.
Further, as shown in fig. 6, the bottom center of the adsorption magnet piece 5 is provided with an inward recessed fixing groove 6, a first fixing hole is formed in the fixing groove, second fixing holes are formed in four corners of the bottom of the shell 9, the first fixing hole and the second fixing hole are connected through a bolt 7 and a nut 8 in a threaded manner, the bolt 7 penetrates the adsorption magnet piece 5 from bottom to top, the head of the bolt 7 is completely accommodated in the fixing groove 6, the bottom surfaces of all the adsorption magnet pieces 5 are guaranteed to be coplanar, namely, the adsorption surface of the adsorption magnet piece 5 is located on the same plane, and the stable installation of the inclination angle sensor for the tower crane is guaranteed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. Inclination sensor for tower machine, its characterized in that: the device comprises an input module, a 485 communication module, a main control module and a six-axis motion processing module which are sequentially connected with a power supply; the master control module comprises a microcontroller with the model of MM32F003NW, the six-axis motion processing module comprises a motion processor with the model of MPU6050, and the 485 communication module comprises a 485 transceiver with the model of TP 8485E.
2. The inclination angle sensor for the tower crane according to claim 1, characterized in that: microcontroller's pin 1 is connected through opto-isolator and 485 transceiver's pin 3, microcontroller's pin 2 is connected through opto-isolator and 485 transceiver's pin 4, microcontroller's pin 3 is connected through opto-isolator and 485 transceiver's pin 1, microcontroller's pin 11 is connected with motion processor's pin 12, microcontroller's pin 12 is connected with motion processor's pin 24, microcontroller's pin 13 is connected with motion processor's pin 23.
3. The inclination angle sensor for the tower crane according to claim 2, characterized in that: VCC3.3 is connected through twentieth resistance between microcontroller's pin 11 and motion processor's pin 12, VCC3.3 is connected through nineteenth resistance between microcontroller's pin 12 and motion processor's pin 24, through eighteenth resistance connection VCC3.3 between microcontroller's pin 13 and motion processor's pin 23, it has twenty first resistance to establish ties between microcontroller's pin 11 and the tie point of twentieth resistance, and wherein twentieth resistance, nineteenth resistance, eighteenth resistance are 4.7K omega, the precision is 5%, and the resistance of twenty first resistance is 1K omega, the precision is 1%.
4. The inclination angle sensor for the tower crane according to claim 3, characterized in that: connect the GND earthing terminal after motion processor's pin 1, pin 11, pin 9 are connected, VCC3.3 and parallelly connected between pin 8 and VCC3.3 have twentieth electric capacity and twenty-first electric capacity respectively to motion processor's pin 8 connection, VCC3.3 and parallelly connected between pin 13 and VCC3.3 have twenty-fourth electric capacity and twenty-fifth electric capacity respectively to the other end of twentieth electric capacity and twenty-first electric capacity, VCC earthing terminal is connected respectively to motion processor's pin 13 connection, motion processor's pin 20 is connected with the GND earthing terminal through twenty-second electric capacity, motion processor's pin 10 is connected with the GND earthing terminal through twenty-third electric capacity.
5. The inclination angle sensor for the tower crane according to claim 1, characterized in that: the input module comprises a voltage reduction and stabilization chip with the model of XL1509 and a low dropout regulator with the model of LD1117AG-33-AA 3-A-R.
6. The inclination angle sensor for the tower crane according to claim 1, characterized in that: still include the shell and set up mainboard in the shell, input module, 485 communication module, host system and six-axis motion processing module integrate in on the mainboard, at least 2 diagonal angles in the bottom four corners of shell are provided with the absorption magnet piece, the bottom surface coplane setting of absorption magnet piece.
7. The inclination angle sensor for the tower crane according to claim 6, characterized in that: the bottom center of adsorbing the magnet piece is provided with inside sunken fixed slot, be provided with first fixed orifices in the fixed slot, the bottom four corners of shell is provided with the second fixed orifices, bolt and nut threaded connection is passed through to first fixed orifices and second fixed orifices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761390.5U CN211740200U (en) | 2020-05-09 | 2020-05-09 | Inclination angle sensor for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761390.5U CN211740200U (en) | 2020-05-09 | 2020-05-09 | Inclination angle sensor for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740200U true CN211740200U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020761390.5U Active CN211740200U (en) | 2020-05-09 | 2020-05-09 | Inclination angle sensor for tower crane |
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| Country | Link |
|---|---|
| CN (1) | CN211740200U (en) |
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- 2020-05-09 CN CN202020761390.5U patent/CN211740200U/en active Active
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