CN211012833U - Anti high four-channel integrated form angle detection mechanism that transships - Google Patents
Anti high four-channel integrated form angle detection mechanism that transships Download PDFInfo
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- CN211012833U CN211012833U CN201921836984.1U CN201921836984U CN211012833U CN 211012833 U CN211012833 U CN 211012833U CN 201921836984 U CN201921836984 U CN 201921836984U CN 211012833 U CN211012833 U CN 211012833U
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Abstract
The utility model relates to an anti high four-channel integrated form angle detection mechanism that transships, include: the sensor comprises a servo mechanism shell and a sensor support, wherein the sensor support is fixed at the center of the servo mechanism shell, a rudder shaft is fixed on the servo mechanism shell, magnetic steel is fixed in a mounting hole of the rudder shaft, four-channel sensor detection circuit boards are integrated on the sensor support, and the sensor detection circuit boards of each channel are arranged along the radial direction and are concentrically aligned with the magnetic steel arranged on the rudder shaft. The utility model has the advantages that: the structure is simple, the sensor is directly installed and embedded in the servo mechanism shell, a traditional single sensor transfer shaft and a traditional single sensor mounting surface are not needed, and the integrated design of the high overload servo mechanism is facilitated. The installation and debugging of the sensor simplify the installation and adjustment method of the whole servo mechanism and improve the installation and adjustment efficiency of the whole servo mechanism. The method has positive significance for promoting miniaturization and integrated design of the high-overload electric servo mechanism.
Description
Technical Field
The utility model relates to an anti high four-channel integrated form angle detection mechanism that transships.
Background
With the development of servo technology, the angular sensor, which is a core component, is widely used in servo technology. In the field of cannonballs, limited by high overload environments, angle sensors are mainly provided with conductive plastic potentiometers. The conventional conductive plastic potentiometer is small in size and widely used in a servo mechanism. The improved conductive plastic potentiometer is usually used for a servo mechanism with low overload resistance, and generally does not exceed 8000 g.
The conventional angle sensor mainly comprises a conductive plastic potentiometer, a rotary transformer, RVDT/L VDT, a magnetic sensor and the like, wherein the rotary transformer and the RVDT/L VDT are non-contact sensors and have the advantages of high precision, high overload resistance, high reliability and the like, but the conventional angle sensor has the defects of large volume, high cost and the like, a multi-channel angle sensor is integrated in a limited space, particularly the high overload resistant servo technology field, and the use requirement is difficult to meet.
The prior art has the following significant disadvantages:
first, the traditional sensor has parts such as casing, sensor detection circuit board, connecting axle, mounting flange, bearing, and the part total is many, and manufacturing and assembly cost are high, are difficult to satisfy anti high overload demand.
Secondly, the traditional sensor is an independent structure, and the minimum space for reliable installation needs to be ensured during installation, and especially, the requirement of minimum spring diameter is caused for ensuring the reliable installation of the output shaft during axial installation of the output shaft.
Thirdly, the use under the condition of large overload is not considered during the structural design of the traditional sensor, and under the condition of large overload gun firing, the situation that components are damaged and no feedback exists possibly.
Fourthly, the connection between the traditional sensor and the output shaft of the servo mechanism is realized through a hard connection mode of shaft and hole matching, the fault tolerance rate is low during assembly and installation, installation prestress or clearance caused by installation is easy to occur, and the accuracy of feedback output is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a four-channel integrated form angle detection mechanism is carried to anti high overload has solved that electric servo mechanism structure space is little, and feedback components and parts are difficult to the problem of arranging.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an anti high four-channel integrated form angle detection mechanism that transships which characterized in that includes: the sensor comprises a servo mechanism shell and a sensor support, wherein the sensor support is fixed at the center of the servo mechanism shell, a rudder shaft is fixed on the servo mechanism shell, magnetic steel is fixed in a mounting hole of the rudder shaft, four-channel sensor detection circuit boards are integrated on the sensor support, and the sensor detection circuit boards of each channel are arranged along the radial direction and are concentrically aligned with the magnetic steel arranged on the rudder shaft.
Compared with the prior art, the utility model discloses following profitable technological effect has:
simple structure includes: the sensor comprises a servo mechanism shell and a sensor support, wherein the sensor support is fixed at the center of the servo mechanism shell, a rudder shaft is fixed on the servo mechanism shell, magnetic steel is fixed in a mounting hole of the rudder shaft, four-channel sensor detection circuit boards are integrated on the sensor support, and the sensor detection circuit boards of each channel are arranged along the radial direction and are concentrically aligned with the magnetic steel arranged on the rudder shaft. The installation casing with traditional potentiometer is further simplified, compact structure, and the appearance rule is simple, adopts four sensor detection circuit boards to integrate on a sensor support, and the magnet steel is installed on the steering spindle, and the installation accuracy is guaranteed by supporting the body, guarantees less clearance between the magnet steel and the sensor detection circuit board's the magnetic sensitive chip, promotes sensor and servo mechanism's the degree of integrating. The sensor is directly installed and embedded in the servo mechanism shell, a traditional single sensor is not needed to be connected with a shaft and an installation surface, and the integrated design of a high-overload servo mechanism is facilitated. The installation and debugging of the sensor simplify the installation and adjustment method of the whole servo mechanism and improve the installation and adjustment efficiency of the whole servo mechanism. The utility model relates to a novelty, compact structure to promoting the miniaturized, the design that integrates of high overload electric servo mechanism has positive meaning.
Drawings
Fig. 1 is a schematic structural view of a high overload resistant four-channel integrated angle detection mechanism of the present invention;
FIG. 2 is a schematic diagram of the detection state of the embedded structure of the anti-high overload four-channel integrated angle detection mechanism of the present invention;
fig. 3 is a schematic structural view of the sensor holder shown in fig. 2.
Schematic of the reference numerals
1-sensor support, 2-magnetic shield, 3-sensor detecting circuit board, 4-rudder shaft, 5-magnetic steel, 6-shell
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but these examples are only illustrative and do not limit the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a high overload resistant four-channel integrated angle detection mechanism, including: the sensor comprises a servo mechanism shell and a sensor support, wherein the sensor support is fixed at the center of the servo mechanism shell, a rudder shaft is fixed on the servo mechanism shell, magnetic steel is fixed in a mounting hole of the rudder shaft, four-channel sensor detection circuit boards are integrated on the sensor support, and the sensor detection circuit boards of each channel are arranged along the radial direction and are concentrically aligned with the magnetic steel arranged on the rudder shaft.
In one embodiment, the sensor detection circuit board of each channel is mounted within the corresponding magnetic shield.
In one embodiment, a magnetic sensing chip is provided on the sensor detection circuit board.
In one embodiment, the magnetic steel and the magnetic sensitive chip have a certain distance size.
In one embodiment, the magnetic steel is a bipolar magnetic steel.
In one embodiment, the magnetism isolating cover is fixed in the mounting hole of the sensor bracket.
In one embodiment, the sensor detection circuit board is fixed in the magnetism isolating cover through potting.
In one embodiment, the sensor mount includes a cylindrical structure with the four-channel sensor detection circuit board mounted on four sides of the cylindrical structure.
As specific embodiment, the utility model discloses an embedded mounting structure scheme mainly comprises sensor support, magnetism shield, sensor detection circuitry board, rudder axle, magnet steel, casing etc.. The main structure of the device is shown in fig. 1, and comprises: the sensor comprises a sensor support 1, a magnetic shield 2, a sensor detection circuit board 3, a rudder shaft 4, magnetic steel 5 and a shell 6.
As a specific embodiment, the utility model adopts high-strength epoxy glue to stick the magnetic steel 5 with a bipolarity-filled plane into the mounting hole of the rudder shaft 4, and fix the rudder shaft on the servo mechanism shell 6; meanwhile, the sensor detection circuit board 3 is encapsulated in the magnetism isolating cover 2 by encapsulating glue, after solidification, the magnetism isolating cover 2 with the sensor detection circuit board 3 also arranged in other three channels is fixed in the mounting hole of the sensor support 1, and the sensor support 1 integrates four sensor detection circuit boards by encapsulating by adopting epoxy glue, so that the encapsulation of the sensor shell is reduced, the miniaturization and the light weight are achieved, the high-strength encapsulating glue is adopted for reinforcement, and the high impact resistance of the sensor circuit detection is improved.
As a specific embodiment, a sensor bracket 1 provided with a sensor detection circuit board 3 is fixed at the center of a servo mechanism shell 6, and a magnetic steel 5 is ensured to be concentric with a rudder shaft 4 in design; secondly, the distance between the magnetic steel 5 and a detection sensor chip of the sensor detection circuit board 3 is ensured; and thirdly, the magnetic steel 5 is ensured to be concentric with the sensitive point of the sensor chip on the sensor detection circuit board 3.
As a specific embodiment, the working process of the high overload resistant integrated angle detection mechanism is as follows: the four-channel angle detection mechanism has the same working principle, and takes one channel as an example. The rudder shaft 4 drives the magnetic steel 5 to rotate to generate angular displacement, the magnetic steel 5 generates space magnetic field change, the sensor chip of the sensor detection circuit board 3 fixed on the sensor support 1 analyzes the space magnetic field change at a sensitive point, digital signal quantity with a linear relation between an output signal and the angle of the magnetic steel 5 is output, and the sensor detection circuit board 3 processes data to communicate with the controller through a CAN bus.
As a specific embodiment, the angle detection mechanism well saves the space size of the electric servo mechanism, reduces the cost, improves the reliability problem, realizes the design mode of integration and miniaturization design of the overload-resistant angle detection mechanism and the electric servo mechanism, and has very important significance for improving the miniaturization and the reliability of the high-overload electric servo mechanism.
As a specific embodiment, the angle detection mechanism is organically combined with the servo mechanism, so that an integrated design is realized, and meanwhile, reinforcement measures are taken for the detection circuit board and the detection magnetic steel, so that high overload resistance is realized. The angle signal detection and output are achieved between the detection circuit board and the output rudder shaft through the magnetic sensor, under the condition that the space is small, the error caused by pretightening force or clearance introduced in the traditional potentiometer assembling process is avoided, and the integrated design of an electric servo mechanism is facilitated.
As specific embodiment, the utility model discloses a four-channel angle detection mechanism and servo casing are integrated as an organic whole, and sensor detection circuit board radially arranges to align with the magnet steel is concentric installed on the rudder axle, and four-channel angle detection mechanism structure space size is only 17mm × 17mm, and detection circuit is fixed in the magnetism shield through the embedment, and weight is only 35g, has higher anti-overload ability.
As specific embodiment, the utility model discloses an integrate the design mode, realized that four-channel angle detection mechanism's installation from outer hanging to embedded conversion, shell of 4 angle detection sensor sharing for electric servo mechanism spatial layout obtains simplifying by a wide margin, has very important meaning to the miniaturization, the reliability that improve electric servo mechanism.
The utility model discloses the theory of operation is simple, compact structure, and the part number is few, and radial, axial dimensions are short, and manufacturing cost is lower, and the economic nature is better, can conveniently be applied to the servo design, has promoted servo's miniaturization and integrated design.
The utility model discloses a following profitable technological effect:
simple structure includes: the sensor comprises a servo mechanism shell and a sensor support, wherein the sensor support is fixed at the center of the servo mechanism shell, a rudder shaft is fixed on the servo mechanism shell, magnetic steel is fixed in a mounting hole of the rudder shaft, four-channel sensor detection circuit boards are integrated on the sensor support, and the sensor detection circuit boards of each channel are arranged along the radial direction and are concentrically aligned with the magnetic steel arranged on the rudder shaft. The installation casing with traditional potentiometer is further simplified, compact structure, and the appearance rule is simple, adopts four sensor detection circuit boards to integrate on a sensor support, and the magnet steel is installed on the steering spindle, and the installation accuracy is guaranteed by supporting the body, guarantees less clearance between the magnet steel and the sensor detection circuit board's the magnetic sensitive chip, promotes sensor and servo mechanism's the degree of integrating. The sensor is directly installed and embedded in the servo mechanism shell, a traditional single sensor is not needed to be connected with a shaft and an installation surface, and the integrated design of a high-overload servo mechanism is facilitated. The installation and debugging of the sensor simplify the installation and adjustment method of the whole servo mechanism and improve the installation and adjustment efficiency of the whole servo mechanism. The utility model relates to a novelty, compact structure to promoting the miniaturized, the design that integrates of high overload electric servo mechanism has positive meaning.
Although the preferred embodiments of the present invention have been disclosed above, the present invention is not limited thereto. It is obvious that not all embodiments need be, nor cannot be exhaustive here. Any person skilled in the art can change and modify the research scheme of the present invention by adopting the design and content of the above disclosed embodiments without departing from the spirit and scope of the present invention, and therefore, any simple modification, parameter change and modification of the above embodiments by the research entity of the present invention all belong to the protection scope of the scheme of the present invention.
Claims (8)
1. The utility model provides an anti high four-channel integrated form angle detection mechanism that transships which characterized in that includes: the sensor comprises a servo mechanism shell and a sensor support, wherein the sensor support is fixed at the center of the servo mechanism shell, a rudder shaft is fixed on the servo mechanism shell, magnetic steel is fixed in a mounting hole of the rudder shaft, four-channel sensor detection circuit boards are integrated on the sensor support, and the sensor detection circuit boards of each channel are arranged along the radial direction and are concentrically aligned with the magnetic steel arranged on the rudder shaft.
2. The high overload resistant four-channel integrated angle detection mechanism of claim 1, wherein the sensor detection circuit board of each channel is mounted within a corresponding magnetic shield.
3. The high overload resistant four-channel integrated angle detection mechanism of claim 2, wherein a magnetic sensing chip is provided on the sensor detection circuit board.
4. The high overload resistant four-channel integrated angle detection mechanism of claim 3, wherein the magnetic steel and the magnetic sensor chip are spaced apart by a certain distance.
5. The high overload resistant four-channel integrated angle detection mechanism of claim 2, wherein the magnetic steel is a bipolar magnetic steel.
6. The high overload resistant four-channel integrated angle detection mechanism of claim 5, wherein the magnetic shield is fixed in a sensor bracket mounting hole.
7. The high overload resistant four-channel integrated angle detection mechanism of claim 4, wherein the sensor detection circuit board is fixed in the magnetic shield by potting.
8. The high overload resistant four-channel integrated angle detection mechanism of claim 1, wherein the sensor support includes a post structure with the four-channel sensor detection circuit board mounted on four sides of the post structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836984.1U CN211012833U (en) | 2019-10-29 | 2019-10-29 | Anti high four-channel integrated form angle detection mechanism that transships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836984.1U CN211012833U (en) | 2019-10-29 | 2019-10-29 | Anti high four-channel integrated form angle detection mechanism that transships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211012833U true CN211012833U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921836984.1U Active CN211012833U (en) | 2019-10-29 | 2019-10-29 | Anti high four-channel integrated form angle detection mechanism that transships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211012833U (en) |
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2019
- 2019-10-29 CN CN201921836984.1U patent/CN211012833U/en active Active
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