CN205679190U - A kind of sensor measuring tower crane rotation angle - Google Patents

A kind of sensor measuring tower crane rotation angle Download PDF

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Publication number
CN205679190U
CN205679190U CN201620376484.4U CN201620376484U CN205679190U CN 205679190 U CN205679190 U CN 205679190U CN 201620376484 U CN201620376484 U CN 201620376484U CN 205679190 U CN205679190 U CN 205679190U
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China
Prior art keywords
integrated circuit
magnet
twin shaft
sensor
rotation angle
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CN201620376484.4U
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Chinese (zh)
Inventor
马健勇
万宏权
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Any of various official intelligent lifting equipment (Shanghai) Co., Ltd.
Shanghai comfort Electromechanical Equipment Co., Ltd.
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Any Of Various Official Intelligent Lifting Equipment (shanghai) Co Ltd
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Priority to CN201620376484.4U priority Critical patent/CN205679190U/en
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Abstract

The utility model discloses a kind of sensor measuring tower crane rotation angle, induced field direction, rotating shaft is in transmission connection with crane rotation supporting gear by gear, and with battery, can power-off run Novel crane angle of revolution measure sensor, twin shaft Hall chip is internal containing two groups of Hall elements, layout is mutually perpendicular to, Magnet Plane of rotation is parallel with twin shaft Hall integrated circuit welding plane, Magnet center of rotation is with twin shaft Hall integrated circuit center point-blank, Magnet is followed gear train and is rotated together, twin shaft Hall integrated circuit is arranged on enclosure, enclosure has circuit board, power management chip and the timing wake-up integrated circuit of battery charging and discharging is had on circuit board, one layer of shelter is had between twin shaft Hall integrated circuit and Magnet.

Description

A kind of sensor measuring tower crane rotation angle
Technical field
This utility model relates to a kind of sensor, is specifically related to a kind of sensor measuring tower crane rotation angle.
Background technology
Engineering machinery is owing to relating to safety at present, is gradually paid attention to by country, and security department gradually steps up engineering machinery Construction safety requirement, proposes construction machinery is increased safety monitoring device, accurately monitors duty, and give warning in advance warning, control Violation operation processed, current engineering machinery supervising device complexity is various, but reliability, stability are inadequate, and degree of accuracy is not enough, due to work Particular job environment of journey machinery, need sensor under conditions of exceedingly odious can steady operation, thus reach to guarantee raw The purpose of life safety.
The way of the angle of revolution of crane monitoring system measurement at present is mainly absolute encoder, potentiometer and electronic compass Mode, these methods gradually expose shortcoming in actual use, as absolute value encoder is expensive, easy to wear, current potential Device precision is the highest and has the number of turns to limit, and calibrates loaded down with trivial details, and receipt error causes angle the highest, and electronic compass is affected by environment bright Aobvious, crane is arranged on different geographical position, and compass needs to recalibrate, owing to electronic compass detects the micro-magnetic of the earth, so Affected by irony material, when have irony material near time, angle offsets at once, sums up and now uses sensor, all can not be reliable Ensure the stability of measurement data, accuracy.
The advantage of this programme is to be suitable for being used in severe industrial environment, uses rotating mechanism and the integrated electricity of twin shaft Hall The discontiguous way in road, is enclosed in an enclosure sealed circuit part, makes circuit not by sleet hail, the shadow of salt fog Ringing, fully improve the reliability of electronic device, mechanical transmission component works with circuit boards simultaneously, is prevented effectively from machinery mill Damage, fully improve service life.
This programme uses the mode of standby power-saving running, according to actual condition, is interrupted and powers under the outside outage condition of employing The mode run, improves the cruising time of battery, reaches to measure the purpose of angle.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, it is provided that a kind of derrick crane of measuring returns The sensor of gyration, can effectively solve produced problem in background technology.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
A kind of sensor measuring tower crane rotation angle of this utility model, including turning round driving gearshaft, Magnet, Twin shaft Hall integrated circuit, circuit board, power management chip, shell, set of cells, connect cable and timing wake-up integrated circuit, Described twin shaft Hall integrated circuit welding plane is parallel to each other with the Plane of rotation of described Magnet, and described Magnet rotating shaft is double with described Point-blank, described Magnet rotates with revolution driving gearshaft simultaneously, described twin shaft Hall at axle Hall integrated circuit center Integrated circuit and described circuit board are arranged on described enclosure, are provided with between described twin shaft Hall integrated circuit and described Magnet Shelter, rotating shaft is connected with the engagement of crane rotation supporting gear by gear, described Magnet Plane of rotation polarity, i.e. N pole With S pole, inside described circuit board, it is provided with described timing wake-up integrated circuit, inside described circuit board, is provided with power source charges electric discharge collection Become circuit.
As preferably a kind of technical scheme of this utility model, described shell and shelter can be various shapes.
As preferably a kind of technical scheme of this utility model, described Magnet can be circular or square or other shapes.
As preferably a kind of technical scheme of this utility model, described set of cells can be single-unit or more piece, described power supply Managing chip can be Multiple Type.
As preferably a kind of technical scheme of this utility model, described timing wake-up integrated circuit can be Multiple Type.
The beneficial effects of the utility model are: this kind of sensor combines the use environment of existing crane, takes electric wire The mode that road plate and drive mechanism separate, reaches not wear and tear, not by the mesh ground of extreme weather environmental effect, the building lifting of use Simple installation on machine, cost-effective, the twin shaft Hall element of employing, the internal magnetoresistive transducer Han two-way, layout is mutually perpendicular to, Utilize two-dimensional localization method, Magnet can be detected and rotate a circle interior absolute position, provide absolute value signal at short notice, therefore Not by electromagnetic interference, the impact of power-off, can effectively eliminate cumulative errors and error that power-off causes, cost is far below absolute value Encoder, and absolute value encoder axle can only be connected with rotor axis mechanical, works long hours and can cause mechanical wear, damages coding Device, is than rotational potentiometer advantage, and rotary resistor has the number of turns to limit, and has receipt error, and rotary resistor is because of machine simultaneously Tool sliding type works, and is restricted service life.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, with this practicality Novel embodiment is used for explaining this utility model together, is not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of sensor construction signal measuring tower crane rotation angle described in this utility model embodiment Figure;
In figure: 1, revolution driving gearshaft;2, Magnet;3, twin shaft Hall integrated circuit;4, circuit board;5, power management core Sheet;6, shell;7, set of cells;8, cable is connected;9, timing wake-up integrated circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain this utility model, being not used to limit this utility model.
Embodiment:
As it is shown in figure 1, a kind of sensor measuring tower crane rotation angle of this utility model, including revolution driving cog Wheel shaft 1, Magnet 2, twin shaft Hall integrated circuit 3, circuit board 4, power management chip 5, shell 6, set of cells 7, connect cable 8 He Timing wake-up integrated circuit 9, twin shaft Hall integrated circuit 3 welding plane is parallel to each other with the Plane of rotation of Magnet 2, Magnet 2 turns With twin shaft Hall integrated circuit 3 center point-blank, described Magnet 2 rotates axle with revolution driving gearshaft 1 simultaneously, twin shaft It is internal that Hall integrated circuit 3 and circuit board 4 are arranged on shell 6, is provided with shelter between twin shaft Hall integrated circuit 3 and Magnet 2, Rotating shaft is connected with the engagement of crane rotation supporting gear by gear, Magnet 2 Plane of rotation polarity, i.e. N pole and S pole, circuit Plate 4 is internal is provided with timing wake-up integrated circuit 9, and circuit board 4 is internal is provided with power source charges electric discharge integrated circuit.
Described shell 6 and shelter can be various shapes, are essentially characterized in that shell 6 and shelter are by circuit board 4 envelope Shutting, Magnet 2 is positioned at outside shelter.
Described Magnet can be circular or square or other shapes, and being essentially characterized in that Magnet to choose to install in plane has two poles Property, N pole and S pole, when Magnet chooses to install, the two poles of the earth are choosing to install in plane along choosing to install central point rotation.
Described set of cells 7 can be single-unit or more piece, and described power management chip 5 can be Multiple Type, basic feature Being, sensor charges the battery according to battery electric quantity when having external power source, when external power source disconnects according to timing wake-up collection Become the requirement of circuit 9, open stand-by power supply on request, to sensor power.
Described timing wake-up integrated circuit 9 can be Multiple Type, and basic feature is when working sensor, it is possible to set Put when it exports wake-up signal, timing wake-up integrated circuit 9 can also be removed when sensor has external power source simultaneously.
Concrete, during use, Magnet 2 is fixed in rotating shaft, the circuit board 4 with twin shaft Hall element 3 is installed Inside the shell 6 sealed, circuit board 4 is connected to cable, and it is outside that cable guides to sensor 3 through shell 6, and shell 6 is by propping up Frame is fixed on crane.
This kind measures the beneficial effect of the sensor of tower crane rotation angle: combine the use ring of existing crane Border, the mode taking electronic circuit board and drive mechanism to separate, reach not wear and tear, not by the mesh ground of extreme weather environmental effect, Simple installation on the building crane used, cost-effective, the twin shaft Hall element of employing, the internal magneto-resistive transducing Han two-way Device, layout is mutually perpendicular to, and utilizes two-dimensional localization method, can detect Magnet and rotate a circle interior absolute position, carry at short notice For absolute value signal, the most not by electromagnetic interference, the impact of power-off, can effectively eliminate cumulative errors and mistake that power-off causes Difference, cost is far below absolute value encoder, and absolute value encoder axle can only be connected with rotor axis mechanical, works long hours and can cause Mechanical wear, damages encoder, is than rotational potentiometer advantage, and rotary resistor has the number of turns to limit, and has receipt error, with Time rotary resistor work because of mechanical slip mode, service life is restricted.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this Utility model, although being described in detail this utility model with reference to previous embodiment, for those skilled in the art For, the technical scheme described in foregoing embodiments still can be modified by it, or to wherein portion of techniques feature Carry out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims (5)

1. measuring a sensor for tower crane rotation angle, including revolution driving gearshaft (1), Magnet (2), twin shaft is suddenly That integrated circuit (3), circuit board (4), power management chip (5), shell (6), set of cells (7), connects cable (8) and timing is called out Awake integrated circuit (9), it is characterised in that described twin shaft Hall integrated circuit (3) welding plane and the rotary flat of described Magnet (2) Face is parallel to each other, described Magnet (2) rotating shaft and described twin shaft Hall integrated circuit (3) center point-blank, described Magnet (2) rotating with revolution driving gearshaft (1), described twin shaft Hall integrated circuit (3) and described circuit board (4) are arranged on institute simultaneously Stating shell (6) internal, be provided with shelter between described twin shaft Hall integrated circuit (3) and described Magnet (2), gear is passed through in rotating shaft It is connected with the engagement of crane rotation supporting gear, described Magnet (2) Plane of rotation polarity, i.e. N pole and S pole, described circuit board (4) inside is provided with described timing wake-up integrated circuit (9), and described circuit board (4) is internal is provided with power source charges electric discharge integrated circuit.
A kind of sensor measuring tower crane rotation angle the most according to claim 1, it is characterised in that outside described Shell (6) and shelter can be various shapes, and described circuit board (4) is closed by described shell (6) and shelter, described magnetic Ferrum (2) is positioned at outside shelter.
A kind of sensor measuring tower crane rotation angle the most according to claim 1, it is characterised in that described magnetic Ferrum (2) can be circular or square or other shapes, and Magnet chooses to install two polarity, N pole and S pole in plane, when Magnet chooses to install, The two poles of the earth are choosing to install in plane along choosing to install central point rotation.
A kind of sensor measuring tower crane rotation angle the most according to claim 1, it is characterised in that described electricity Pond group (7) can be single-unit or more piece, and described power management chip (5) can be Multiple Type, when sensor has external power source Charge the battery according to battery electric quantity, the requirement according to timing wake-up integrated circuit (9) when external power source disconnects, open on request Logical stand-by power supply, to sensor power.
A kind of sensor measuring tower crane rotation angle the most according to claim 1, it is characterised in that described fixed Time to wake up integrated circuit (9) up can be Multiple Type, when working sensor, it is possible to arrange when it exports wake-up signal, with Time can also remove timing wake-up integrated circuit (9) when sensor has external power source.
CN201620376484.4U 2016-04-29 2016-04-29 A kind of sensor measuring tower crane rotation angle Active CN205679190U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620376484.4U CN205679190U (en) 2016-04-29 2016-04-29 A kind of sensor measuring tower crane rotation angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620376484.4U CN205679190U (en) 2016-04-29 2016-04-29 A kind of sensor measuring tower crane rotation angle

Publications (1)

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CN205679190U true CN205679190U (en) 2016-11-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107941144A (en) * 2017-12-27 2018-04-20 青岛雷沃工程机械有限公司 Excavator boom rotating angle measurement apparatus
CN112556570A (en) * 2020-12-24 2021-03-26 徐州徐工挖掘机械有限公司 Rotation angle data processing method, device and medium for construction machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107941144A (en) * 2017-12-27 2018-04-20 青岛雷沃工程机械有限公司 Excavator boom rotating angle measurement apparatus
CN107941144B (en) * 2017-12-27 2023-04-07 雷沃重工集团有限公司 Excavator bucket rod rotation angle measuring device
CN112556570A (en) * 2020-12-24 2021-03-26 徐州徐工挖掘机械有限公司 Rotation angle data processing method, device and medium for construction machine

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180706

Address after: 201400 2301, room second, 1599 Fengpu Avenue, Fengxian District, Shanghai.

Co-patentee after: Shanghai comfort Electromechanical Equipment Co., Ltd.

Patentee after: Any of various official intelligent lifting equipment (Shanghai) Co., Ltd.

Address before: 201400 2301, room second, 1599 Fengpu Avenue, Fengxian District, Shanghai.

Patentee before: Any of various official intelligent lifting equipment (Shanghai) Co., Ltd.

TR01 Transfer of patent right