CN217236975U - Tractor swinging bridge self-powered vibration measuring device based on Halbach array - Google Patents
Tractor swinging bridge self-powered vibration measuring device based on Halbach array Download PDFInfo
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- CN217236975U CN217236975U CN202220881853.0U CN202220881853U CN217236975U CN 217236975 U CN217236975 U CN 217236975U CN 202220881853 U CN202220881853 U CN 202220881853U CN 217236975 U CN217236975 U CN 217236975U
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- acceleration sensor
- speed increasing
- increasing mechanism
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Abstract
The utility model relates to a self-powered vibration measuring device of a tractor swing bridge based on a Halbach array, which comprises a triaxial acceleration transducer, a boost conversion circuit, an energy collector, a gear speed increasing mechanism and a box body; the three-axis acceleration sensor is fixed at a vibration part to be measured at the joint of the tractor swing axle and the front wheel hub of the tractor; the energy collector and the gear speed increasing mechanism are arranged in the box body; the box body is arranged on a tractor frame. The rotating speed of the rotating shaft of the swing bridge is amplified by the gear speed increasing mechanism to drive the rotor of the energy collector to rotate quickly, and the electric energy generated by the energy collector supplies energy to the triaxial acceleration sensor through the boost conversion circuit. The utility model has the characteristics of simple structure, stability are strong, simple to operate, easily realize, real-time transmission etc.
Description
Technical Field
The utility model belongs to the technical field of from energy supply formula sensor, a tractor sways bridge from power supply vibration measuring device based on halbach array is related to.
Background
At present, most sensors on the market have high cost and complex assembly process, and simultaneously, in consideration of the particularity of field environment and the continuous demand of sensor power, the sensor power supply method has new requirements: an energy acquisition device which is suitable for field environment and drives an acceleration sensor through energy conversion realizes energy self-supply. There is therefore a great need to develop a reliable self-powered device to enable real-time monitoring of agricultural machinery, which is becoming one of the main research directions in this field and in the future.
As is known, wind energy, solar energy and mechanical energy are abundant energy sources in nature, and an energy collector can be used for converting the mechanical energy generated by the energy into electric energy for driving a small acceleration sensor, so that a self-powered vibration measuring device is manufactured. Therefore, harvesting energy from the environment to meet the power requirements of small electronic devices is an urgent and challenging issue.
Disclosure of Invention
To the technical problem, the utility model aims at providing a tractor sways bridge from power supply vibration measuring device based on halbach array, the front axle has small wobbling characteristic through the tractor normal operating hour, combines gear acceleration rate mechanism, has designed one kind and has acquireed the electromagnetic type energy collector of energy through slewing motion, and integrated package boost conversion circuit and low-power consumption triaxial acceleration sensor have realized triaxial acceleration sensor's the real-time supervision from power supply operation and vibration parameter simultaneously.
In order to achieve the above object, the present invention provides the following technical solutions:
a self-powered vibration measuring device of a tractor swing bridge based on a Halbach array comprises a triaxial acceleration sensor 1, a boost conversion circuit 2, an energy collector 10, a gear speed increasing mechanism 5 and a box body.
The three-axis acceleration sensor 1 is fixed at a vibration part to be measured at the joint of the tractor swing axle and the front wheel hub of the tractor; the energy collector 10 and the gear speed increasing mechanism 5 are arranged in the box body; the box body is arranged on a tractor frame.
The energy harvester 10 comprises a rotor 8, a stator 12, a harvester shell 9 and a shell cover 7; the stator 12 is fixedly connected to the inner wall of the collector shell 9, the rotor 8 is arranged inside the stator 12, the shell cover 7 is fixedly connected with the collector shell 9, and the rotor shaft 13 of the rotor 8 penetrates out of the shell cover 7.
The rotor 8 is of a cylindrical configuration and is externally provided with 12 slots in the circumferential direction, each slot carrying magnets arranged in a halbach array.
A rotating input shaft 11 of the gear speed increasing mechanism 5 is fixedly connected with a rotating shaft of a swing bridge of the tractor through a coupler, and an output shaft of the gear speed increasing mechanism 5 is coaxially and fixedly connected with a rotor shaft 13 of a rotor 8 of the energy collector 10; the energy collector 10 is connected with the triaxial acceleration sensor 1 through the boost conversion circuit 2, and provides electric energy for the triaxial acceleration sensor 1.
The box body comprises a box body upper cover 3 and a box body shell 6.
The box body is adsorbed on a tractor frame through a strong magnet 4;
the magnet of the rotor 8 is made of Ru ferroboron.
The stator 12 is composed of a base, a stator core and a coil. The stator core is fixedly connected with the base, the stator core is made of laminated silicon steel, the number of stator slots is nine, the coil is wound on the stator core by adopting a single-layer chain type winding method, and the number of turns is 60.
The output shaft of the gear speed increasing mechanism 5 and the rotor shaft 13 of the rotor 8 of the energy collector 10 are integrated shafts.
The gear speed increasing mechanism 5 is a three-level gear speed increasing mechanism and is formed by three gears in a meshing transmission assembly mode.
The transmission ratio of the gear speed increasing mechanism 5 is 1: 42.
The boost conversion circuit 2 is composed of a rectifying circuit and a boost circuit, the rectifying circuit is a three-phase bridge full-wave rectifying circuit, the input end of the rectifying circuit is connected with the output end of the energy collector 10, the output end of the rectifying circuit is connected with the input end of the boost circuit, and the output end of the boost circuit is connected with the triaxial acceleration sensor 1 to provide 3.3V direct current electric energy for the triaxial acceleration sensor 1.
The three-axis acceleration sensor 1 is internally provided with a wireless output module for sending signals collected by the three-axis acceleration sensor 1 to a matched receiver.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a tractor sways bridge self-power vibration measuring device based on halbach array can be for triaxial acceleration sensor input energy long-term, steadily, need not to use chemical battery, has realized the agricultural equipment greenization to triaxial acceleration sensor has built-in wireless output module, connects cell-phone APP through the bluetooth, can carry out real-time supervision to the vibration situation of tractor, has reduced space and time limitation, also makes measuring result more succinct. The utility model has the characteristics of simple structure, stability are strong, simple to operate, easily realize, real-time transmission etc.
Drawings
Fig. 1 is an exploded structural schematic diagram of a self-powered vibration measuring device of a tractor swing bridge based on a halbach array of the present invention;
fig. 2 is an overall assembly schematic diagram of the self-powered vibration measuring device of the tractor swing bridge based on halbach array of the present invention;
FIG. 3 is a schematic view of the connection between the gear increasing mechanism 5 and the energy harvester 10;
FIG. 4 is an exploded view of the energy harvester 10;
FIG. 5 is a schematic view of the overall assembly of the energy harvester 10;
fig. 6 is a schematic view of the installation mode of the self-powered vibration measuring device of the tractor swing bridge based on the halbach array on the tractor.
Wherein the reference numerals are:
1. three-axis acceleration sensor
2. Boost converter circuit
3. Box upper cover
4. Strong magnet
5. Gear speed increasing mechanism
6. Box body shell
7. Shell cover
8. Rotor
9. Collector shell
10. Energy harvester
11. Rotating input shaft
12. Stator
13. Rotor shaft
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, 2 and 3, a self-powered vibration measuring device of a tractor swing bridge based on a halbach array comprises a triaxial acceleration sensor 1, a boost converter circuit 2, an energy collector 10, a gear speed increasing mechanism 5 and a box body;
the three-axis acceleration sensor 1 is fixed at a vibration part to be measured at the joint of a tractor swing axle (front axle) and a tractor front wheel hub; the energy harvester 10 and the gear speed increasing mechanism 5 are arranged in the box body. The box body comprises a box body upper cover 3 and a box body shell 6. The box body is adsorbed on the tractor frame through a strong magnet 4.
As shown in fig. 4 and 5, the energy harvester 10 comprises a rotor 8, a stator 12, a harvester housing 9 and a housing cover 7; stator 12 is fixed on the inner wall of collector shell 9, rotor 8 is arranged in stator 12, shell cover 7 is fixed with collector shell 9, and rotor shaft 13 of rotor 8 penetrates out of shell cover 7.
The rotor 8 is a cylindrical structure, 12 grooves are formed in the outer portion of the rotor along the circumferential direction, and each groove is provided with a magnet, the magnets are arranged according to a Halbach array, and the energy taking effect of the energy harvester 10 in a low-speed state is enhanced.
A rotating input shaft 11 of the gear speed increasing mechanism 5 is fixedly connected with a rotating shaft of a tractor swing bridge through a coupler, and an output shaft of the gear speed increasing mechanism 5 is coaxially and fixedly connected with a rotor shaft 13 of a rotor 8 of the energy collector 10; the energy collector 10 is connected with the triaxial acceleration sensor 1 through the boost conversion circuit 2, and provides electric energy for the triaxial acceleration sensor 1.
The magnet of the rotor 8 is made of Ru ferroboron.
The stator 12 is composed of a base, a stator core and a coil. The stator core is fixedly connected with the base, the stator core is made of laminated silicon steel, the number of stator slots is nine, the coil is wound on the stator core by adopting a single-layer chain type winding method, and the number of turns is 60.
The output shaft of the gear speed increasing mechanism 5 and the rotor shaft 13 of the rotor 8 of the energy collector 10 are integrated shafts.
The gear speed increasing mechanism 5 is a three-level gear speed increasing mechanism and is formed by three gears in a meshing transmission assembly mode. The transmission ratio of the gear speed increasing mechanism 5 is 1: 42.
The boost conversion circuit 2 is composed of a rectifying circuit and a boost circuit, the rectifying circuit is a three-phase bridge full-wave rectifying circuit, the input end of the rectifying circuit is connected with the output end of the energy collector 10, the output end of the rectifying circuit is connected with the input end of the boost circuit, and the output end of the boost circuit is connected with the triaxial acceleration sensor 1 to provide 3.3V direct current electric energy for the triaxial acceleration sensor 1. The utility model discloses well used boost circuit is Dezhou instrument TI company's BQ25570 converter that steps up.
The three-axis acceleration sensor 1 is internally provided with a wireless output module for sending signals collected by the three-axis acceleration sensor 1 to a matched receiver.
The triaxial acceleration sensor 1 is an ultra-low power consumption high-performance triaxial nano acceleration sensor LIS3DH of Italian semiconductor company, and the acceleration sensor has an ultra-low power consumption operation mode and supports advanced energy-saving and intelligent embedded functions.
As shown in fig. 6, the utility model discloses a tractor sways bridge from power supply vibration measuring device based on halbach array passes through strong magnet 4 and adsorbs on the tractor frame, gear acceleration mechanism 5's rotation input shaft 11 passes through shaft coupling and tractor sways bridge pivot rigid coupling, sway bridge pivot rotational speed and drive energy collector 10's rotor 8 fast rotation after gear acceleration mechanism 5 enlargies, the electric energy that energy collector 10 produced is triaxial acceleration sensor 1 energy supply through conversion circuit 2 that steps up, the realization is from the electricity generation, the energy storage, function self-power supply vibration measuring device as an organic whole such as vibration measurement.
Claims (10)
1. A tractor swing bridge self-powered vibration measuring device based on a Halbach array is characterized by comprising a three-axis acceleration sensor (1), a boost conversion circuit (2), an energy collector (10), a gear speed increasing mechanism (5) and a box body;
the three-axis acceleration sensor (1) is fixed at a vibration part to be measured at the joint of the tractor swing axle and the front wheel hub of the tractor; the energy collector (10) and the gear speed increasing mechanism (5) are arranged in the box body; the box body is arranged on a tractor frame;
the energy collector (10) comprises a rotor (8), a stator (12), a collector shell (9) and a shell cover (7); the collector comprises a collector shell (9), a stator (12), a rotor (8), a shell cover (7), a rotor shaft (13) and a collector shell (9), wherein the stator (12) is fixedly connected to the inner wall of the collector shell (9), the rotor (8) is arranged inside the stator (12), the shell cover (7) is fixedly connected with the collector shell (9), and the rotor shaft (13) of the rotor (8) penetrates out of the shell cover (7);
the rotor (8) is of a cylindrical structure, 12 grooves are formed in the outer portion of the rotor along the circumferential direction, and each groove is provided with a magnet which is arranged according to a Halbach array;
a rotating input shaft (11) of the gear speed increasing mechanism (5) is fixedly connected with a rotating shaft of a tractor swing bridge through a coupler, and an output shaft of the gear speed increasing mechanism (5) is coaxially and fixedly connected with a rotor shaft (13) of a rotor (8) of the energy collector (10); the energy collector (10) is connected with the triaxial acceleration sensor (1) through the boost conversion circuit (2) and provides electric energy for the triaxial acceleration sensor (1).
2. The halbach array based tractor swing bridge self-powered vibration measurement device as claimed in claim 1, wherein the case comprises a case upper cover (3) and a case housing (6).
3. The Harabah array-based tractor swing bridge self-powered vibration measuring device according to claim 1, characterized in that the box is attached to the tractor frame by a strong magnet (4).
4. The Harabah array-based tractor swing bridge self-powered vibration measuring device according to claim 1, characterized in that the material of the magnet of the rotor (8) is Ru FeB.
5. The Harabah array-based tractor swing bridge self-powered vibration measuring device as claimed in claim 1, wherein the stator (12) is composed of a base, a stator core and a coil, the stator core is fixedly connected with the base, the stator core is laminated silicon steel, the number of stator slots is nine, the coil is wound on the stator core by adopting a single-layer chain winding method, and the number of turns is 60.
6. The Harabah array-based tractor swing bridge self-powered vibration measuring device according to claim 1, characterized in that the output shaft of the gear speed increasing mechanism (5) is an integral shaft with the rotor shaft (13) of the rotor (8) of the energy harvester (10).
7. The halbach array-based tractor swing bridge self-powered vibration measuring device as claimed in claim 1, characterized in that the gear speed increasing mechanism (5) is a three-stage gear speed increasing mechanism assembled from three gear mesh transmissions.
8. The Harabah array-based tractor swing bridge self-powered vibration measuring device according to claim 1, characterized in that the gear ratio of the gear speed increasing mechanism (5) is 1: 42.
9. The Harabah array-based tractor swing bridge self-powered vibration measurement device according to claim 1, characterized in that the boost conversion circuit (2) is composed of a rectification circuit and a boost circuit, the rectification circuit is a three-phase bridge full-wave rectification circuit, the input end of the rectification circuit is connected with the output end of the energy harvester (10), the output end of the rectification circuit is connected with the input end of the boost circuit, and the output end of the boost circuit is connected with the triaxial acceleration sensor (1) to provide 3.3V DC power for the triaxial acceleration sensor (1).
10. The Harabah array-based tractor swing bridge self-powered vibration measurement device according to claim 1, characterized in that the three-axis acceleration sensor (1) is internally provided with a wireless output module for transmitting the signals collected by the three-axis acceleration sensor (1) to a matched receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220881853.0U CN217236975U (en) | 2022-04-18 | 2022-04-18 | Tractor swinging bridge self-powered vibration measuring device based on Halbach array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220881853.0U CN217236975U (en) | 2022-04-18 | 2022-04-18 | Tractor swinging bridge self-powered vibration measuring device based on Halbach array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217236975U true CN217236975U (en) | 2022-08-19 |
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ID=82818832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220881853.0U Active CN217236975U (en) | 2022-04-18 | 2022-04-18 | Tractor swinging bridge self-powered vibration measuring device based on Halbach array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217236975U (en) |
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2022
- 2022-04-18 CN CN202220881853.0U patent/CN217236975U/en active Active
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