CN213515470U - Integrated angle sensor assembly - Google Patents
Integrated angle sensor assembly Download PDFInfo
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- CN213515470U CN213515470U CN202021780282.9U CN202021780282U CN213515470U CN 213515470 U CN213515470 U CN 213515470U CN 202021780282 U CN202021780282 U CN 202021780282U CN 213515470 U CN213515470 U CN 213515470U
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- angle sensor
- installation part
- square groove
- threading hole
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Abstract
The utility model discloses an integrated form angle sensor subassembly, include: the base at least comprises a first installation part and a second installation part, a preset angle is formed between the first installation part and the second installation part, a first threading hole is formed in the first installation part, and a second threading hole is formed in the second installation part; the first angle sensor is mounted on the first mounting part, and a lead of the first angle sensor is led out from the first threading hole; and the second angle sensor is arranged in the second installation part, and a wire of the second angle sensor is led out from the second threading hole. It is integrated as an organic whole with multichannel angle sensor, has avoided the space that every sensor installation alone leads to among the prior art to occupy great problem, has reduced angle sensor assembly's total volume, has improved the space utilization of sensor, has avoided the interference that produces each other, can effectively reduce the consumption.
Description
Technical Field
The utility model relates to a be applied to measurement technical field such as aviation, electron, machinery, weaving, boats and ships, metallurgy, auto industry, industry control gear speed measurement, rack survey displacement, especially relate to an integrated form angle sensor subassembly.
Background
There are two forms of output signal sensors currently used in industrial machinery. One is mechanical, namely contact type, the resistance value is changed along with relative displacement by sliding contact of the electric brush and the resistance substrate, the output voltage signal is correspondingly changed, the mechanical part is easy to wear, or the contact piece is possibly separated instantly along with vibration of industrial machine equipment, and poor contact is caused; in addition, in the application process, abrasion scraps of the electric brush and the resistance substrate can be attached between the electric brush and the resistance substrate, poor contact or change of output resistance can be generated, finally, signals cannot be normally transmitted, and the service life is limited. The second one is non-contact type, and uses Hall effect, that is, the principle of the relation between the output voltage of Hall element and external magnetic field and the cosine of the included angle between magnetic sound and element normal line, and sets a magnet at the front end of the rotating rotor connected with the rotary output shaft, and uses the magnetic sensor with interval and opposite to the magnet to detect the rotation angle of rotor angle displacement. The angle sensor adopts a high-performance intelligent integrated magnetic sensitive element, converts mechanical rotation or angular displacement into an electric signal to be output, and performs non-contact measurement. It is an ideal product for replacing optical encoder, rotary transformer and conductive plastic potentiometer.
In the prior art, a potentiometer, a photoelectric encoder, a rotary transformer and the like are generally adopted in the technology of measuring angular rotation, and the device generally has the characteristics of large volume, contact measurement, high requirements on use environment and installation process due to the fact that a switching mechanism (a coupler) needs to be installed for long-term operation, and safety and reliability are deviated; these problems are mainly due to the prior art routes. For example, a potentiometer is the working principle of a sliding rheostat, a method for measuring by converting a rotation angle into electric signals at different positions of a contact is determined, the requirement on installation concentricity is high, loss of data is caused by contact abrasion, and the like; the working modes of the photoelectric encoder and the rotary transformer are large in size, complex in installation and fixation, influenced by rotation friction, free of space installation in a narrow space, high in power consumption and the like. Particularly, when a plurality of sensors are needed to be matched for measurement, each sensor is installed in a mechanism to be measured as an independent individual, and a specific switching mechanism needs to be designed to be connected with a structure to be measured, so that the sensor group occupies a large space and has poor structure compactness.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems, and the object is achieved by the following technical solutions.
The utility model provides an integrated form angle sensor subassembly, include:
the base at least comprises a first installation part and a second installation part, a preset angle is formed between the first installation part and the second installation part, a first threading hole is formed in the first installation part, and a second threading hole is formed in the second installation part;
the first angle sensor is mounted on the first mounting part, and a lead of the first angle sensor is led out from the first threading hole;
and the second angle sensor is arranged in the second installation part, and a wire of the second angle sensor is led out from the second threading hole.
Further, the base further includes:
the third mounting part, the first mounting part and the second mounting part form a preset angle, and a third threading hole is formed in the third mounting part;
and the third angle sensor is installed in the third installation part, and a wire of the third angle sensor is led out from the third threading hole.
Further, the first mounting portion, the second mounting portion and the third mounting portion form a door-shaped structure.
Furthermore, a first square groove is formed in the first mounting part, and the first angle sensor is embedded in the first square groove;
and/or a second square groove is formed in the second mounting part, and the second angle sensor is embedded in the second square groove;
and/or, a third square groove is formed in the third mounting part, and the third angle sensor is embedded in the third square groove.
Furthermore, the first installation part, the second installation part and the third installation part are the same in appearance specification, the side length of each installation part is 14-18mm, and the thickness of each installation part is 5-6 mm.
Furthermore, the first square groove, the second square groove and the third square groove have the same specification and size, the side length of each square groove is 8-11mm, and the depth is 4-5 mm.
Further, the first angle sensor, the second angle sensor and the third angle sensor are all hall sensors.
Further, the air gap space between the magnet and the chip is 0.5-2 mm.
The utility model integrates at least two angle sensors on a base, integrates a plurality of paths of angle sensors into a whole, avoids the problem that the space occupation is larger due to the independent installation of each sensor in the prior art, reduces the total volume of an angle sensor assembly, and improves the space utilization rate of the sensors; meanwhile, the angle sensors are respectively installed, so that mutual interference is avoided, the working friction force is zero, the stability and the reliability of the device are improved, and the power consumption can be effectively reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of an integrated angle sensor assembly provided by the present invention;
fig. 2 is a schematic view of the structure of the base of the integrated angle sensor assembly shown in fig. 1.
Description of reference numerals:
1-base 11-first mounting part 12-second mounting part 13-third mounting part
14-first square groove 15-second square groove
2-first angle sensor 3-second angle sensor 4-third angle sensor
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The utility model provides an integrated form angle sensor subassembly is for solving the structure at little space three routes angle control application design development. In general, the sensor has the advantages of small volume as much as possible, simple installation as much as possible, lowest working friction resistance and capability of ensuring the stability and reliability of long-term work. Based on the above limiting conditions, the design scheme adopts the Hall sensing technology, the multiple sensors are designed into a whole, the sensor work adopts the technical route of split installation work, the contradiction between mutual interference and volume minimization of the magnetic fields of the multiple sensors is solved, and the non-contact work of the multiple sensors is realized.
In one embodiment, as shown in fig. 1 and 2, the present invention provides an integrated angle sensor assembly including a base 1, a first angle sensor 2, and a second angle sensor 3; the base 1 at least comprises a first installation part 11 and a second installation part 12, the first installation part 11 and the second installation part 12 form a preset angle, a first threading hole is formed in the first installation part 11, and a second threading hole is formed in the second installation part 12; the first angle sensor 2 is mounted on the first mounting part 11, and a lead of the first angle sensor is led out from the first threading hole; the second angle sensor 3 is installed in the second installation part 12, and a lead of the second angle sensor is led out from the second threading hole.
Taking three sensors as an example, the base 1 further comprises a third mounting part 13 and a third angle sensor 4, wherein a preset angle is formed between the third mounting part 13 and the first mounting part 11 and between the third mounting part 13 and the second mounting part 12, and a third threading hole is formed in the third mounting part 13; third angle sensor 4 install in third installation department 13, just third angle sensor's wire certainly the third through wires hole is drawn forth.
Specifically, as shown in fig. 1, the first mounting portion 11, the second mounting portion 12 and the third mounting portion 13 form a door-shaped structure, that is, each mounting portion is a plate-shaped structure, and the plate-shaped structure forms a door-shaped structure with one end opened in a manner of being connected by a vertical plate.
In order to improve the mounting convenience and stability of the sensor, a first square groove 14 is formed in the first mounting part 11, and the first angle sensor 2 is embedded in the first square groove 14; a second square groove 15 is formed in the second mounting part 12, and the second angle sensor 3 is embedded in the second square groove 15; a third square groove is formed in the third installation part 13, and the third angle sensor 4 is embedded in the third square groove.
From the machining point of view, the base 1 can be machined from a cuboid structure, wherein a cylindrical mounting surface is machined from the outside to the center on one vertical surface, and the mounting surface is separated from the opposite surface by a rectangular wall structure; a cuboid concave structure is dug into the surface of the cuboid opposite to the cylindrical surface from outside to inside along the center, three sides of the concave structure are closed, one side of the concave structure is dug to be communicated with the outside, and the bottom side of the concave structure and the part opposite to the cylindrical mounting surface are separated by a solid structure; the other three adjacent solid structure parts (namely three mounting parts) have square structures on the outward surfaces, and a square groove (namely a square groove on each surface) is dug in from the outside to the inside along the center of the square without being dug through and is separated from the back by the solid structure.
Specifically, the first angle sensor 2, the second angle sensor 3, and the third angle sensor 4 are all hall sensors. The Hall sensing technology has a simple circuit system, and the working principle is that the circuit detects the change of the magnetic field intensity of the magnet matched with the Hall sensing technology to feed back the change of the rotating angle. The three sensors work simultaneously, firstly, the three corresponding magnets are not interfered with each other, and the circuit of each sensor only causes the change of an electric signal along with the change of the field intensity of the corresponding magnet.
In order to improve the performance of the sensor, different high-permeability materials can be selected for processing a base 1 capable of containing three sensor circuits, permalloy, electrician pure iron, No. 45 steel and A3 steel are used as materials for processing the base 1 in the first trial, then the shapes of the bases 1 with different sizes are designed, magnets for circuit installation and circuit matching are installed, the anti-interference performance of the sensor working under the conditions of different appearance structures and different materials is detected through actual tests, and the air gap range of the magnets from the circuits is determined at the same time. Sensitivity is reduced when the magnet is too far away from the circuit, and the circuit saturation sensor cannot work normally when the magnet is too close to the circuit. And finally, determining an optimal material, an optimal external dimension and an air gap range of the magnet through experimental results, and using the optimal material, the optimal external dimension and the air gap range as a final installation reference basis. When the difficulty II is solved, the air gap range is used, the magnet is fixed on the axis of the shaft to be detected, and the magnetic sensor is matched with a sensor circuit and installed under the condition of ensuring the air gap range.
Based on the above principle, preferably, the first installation part 11, the second installation part 12 and the third installation part 13 have the same external form specification, and the side length and the thickness of each installation part are 14-18mm and 5-6mm respectively. The first square groove 14, the second square groove 15 and the third square groove are the same in specification and size, the side length of each square groove is 8-11mm, and the depth of each square groove is 4-5 mm. The air gap space between the magnet and the chip is 0.5-2 mm.
The utility model integrates at least two angle sensors on a base 1, integrates a plurality of paths of angle sensors into a whole, avoids the problem that the space occupation is larger due to the independent installation of each sensor in the prior art, reduces the total volume of an angle sensor assembly, and improves the space utilization rate of the sensors; meanwhile, the angle sensors are respectively installed, so that mutual interference is avoided, the working friction force is zero, the stability and the reliability of the device are improved, and the power consumption can be effectively reduced.
It will be understood that, although the terms front, back, etc. may be used herein to describe elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be used merely to connote a connection of elements, components, regions, layers or sections.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An integrated angle sensor assembly, comprising:
the base (1) at least comprises a first installation part (11) and a second installation part (12), the first installation part (11) and the second installation part (12) form a preset angle, a first threading hole is formed in the first installation part (11), and a second threading hole is formed in the second installation part (12);
the first angle sensor (2) is mounted on the first mounting part (11), and a lead of the first angle sensor is led out from the first threading hole;
and the second angle sensor (3), the second angle sensor (3) is installed on the second installation part (12), and a wire of the second angle sensor is led out from the second threading hole.
2. The integrated angle sensor assembly according to claim 1, wherein the base (1) further comprises:
the third mounting part (13), the first mounting part (11) and the second mounting part (12) form a preset angle with each other, and a third threading hole is formed in the third mounting part (13);
a third angle sensor (4), the third angle sensor (4) install in third installation department (13), just the wire of third angle sensor certainly the third through wires hole is drawn forth.
3. The integrated angle sensor assembly according to claim 2, wherein the first mounting portion (11), the second mounting portion (12) and the third mounting portion (13) form a chevron-shaped structure.
4. The integrated angle sensor assembly according to claim 3, wherein the first mounting portion (11) defines a first square groove (14), and the first angle sensor (2) is embedded in the first square groove (14);
and/or a second square groove (15) is formed in the second mounting part (12), and the second angle sensor (3) is embedded in the second square groove (15);
and/or, a third square groove is formed in the third mounting part (13), and the third angle sensor (4) is embedded in the third square groove.
5. The integrated angle sensor assembly according to claim 4, wherein the first, second and third mounting portions (11, 12, 13) have the same form factor, and each mounting portion has a side length of 14-18mm and a thickness of 5-6 mm.
6. The integrated angle sensor assembly of claim 5, wherein the first square groove (14), the second square groove (15) and the third square groove have the same dimension, and the square grooves have a side length of 8-11mm and a depth of 4-5 mm.
7. Integrated angle sensor assembly according to claim 6, characterized in that the first angle sensor (2), the second angle sensor (3) and the third angle sensor (4) are all Hall sensors.
8. An integrated angle sensor assembly according to claim 7, wherein the air gap space between the magnet and the chip is 0.5-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021780282.9U CN213515470U (en) | 2020-08-24 | 2020-08-24 | Integrated angle sensor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021780282.9U CN213515470U (en) | 2020-08-24 | 2020-08-24 | Integrated angle sensor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213515470U true CN213515470U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021780282.9U Active CN213515470U (en) | 2020-08-24 | 2020-08-24 | Integrated angle sensor assembly |
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| Country | Link |
|---|---|
| CN (1) | CN213515470U (en) |
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2020
- 2020-08-24 CN CN202021780282.9U patent/CN213515470U/en active Active
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