CN209764003U - Transmission structure of double-Hall long angle detection sensor - Google Patents
Transmission structure of double-Hall long angle detection sensor Download PDFInfo
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- CN209764003U CN209764003U CN201920962288.9U CN201920962288U CN209764003U CN 209764003 U CN209764003 U CN 209764003U CN 201920962288 U CN201920962288 U CN 201920962288U CN 209764003 U CN209764003 U CN 209764003U
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Abstract
The utility model discloses a long angle sensor transmission structure is surveyed to two halls, the mounting panel, circuit board and support column, the one end and the circuit board of support column are connected, the other end and the mounting panel of support column are connected, wear to be equipped with first pivot and second pivot on the mounting panel, pinion and first gear of dislocation about being equipped with in the first pivot, and the one end that first pivot is close to the circuit board is equipped with first magnet, be equipped with the second gear with pinion intermeshing in the second pivot, and the one end that the second pivot is close to the circuit board is equipped with second magnet, the number of teeth of pinion is less than the number of teeth of first gear and second gear, be equipped with the first hall chip relative with first magnet on the circuit board and the second hall chip relative with second magnet. The utility model discloses a set up on two gear structures of mutually supporting and measure gear rotation angle with the relative magnet of hall chip on the circuit board for whole transmission structure has compact structure, little and the high characteristics of measurement accuracy in occupation space.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a long angle sensor transmission structure is surveyed to two halls.
Background
In the prior art, the transmission structure of most long angle sensors adopts the following technical scheme: set up a gear and potentiometer cooperation and realize the measurement of the flexible length of rope on the outside reel axle, when the epaxial gear of outside reel drives the gear revolve on the transmission structure, and then realize the measurement of potentiometer to the epaxial rope length of reel, but because the continuous development of engineering machine, the measurement requirement to the flexible length of rope on the reel is higher and higher, the turned angle that adopts the potentiometer to measure the gear comes indirect measurement flexible length of rope and has can't satisfy the measurement demand, and this transmission structure is because the existence of potentiometer, not only the structure is comparatively complicated, and the space that occupies is also great during the installation.
In view of this, it is an urgent technical problem to be solved by those skilled in the art to develop a long angle sensor transmission structure with simple and compact structure, small occupied space and high measurement accuracy.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a transmission structure of a double-Hall detection long angle sensor, which comprises a mounting plate and a circuit board which are arranged in parallel and a supporting column arranged between the mounting plate and the circuit board, one end of the supporting column is connected with the circuit board, the other end of the supporting column is connected with the mounting plate, a first rotating shaft and a second rotating shaft are arranged on the mounting plate in a penetrating way, a pinion and a first gear which are staggered up and down are arranged on the first rotating shaft, and one end of the first rotating shaft close to the circuit board is provided with a first magnet, the second rotating shaft is provided with a second gear which is meshed with the pinion, and one end of the second rotating shaft close to the circuit board is provided with a second magnet, the number of teeth of the pinion is less than that of the first gear and that of the second gear, and the circuit board is provided with a first Hall chip opposite to the first magnet and a second Hall chip opposite to the second magnet.
As a further improvement of the technical scheme, the number of the support columns is four, and the support columns are respectively and symmetrically arranged on the left side and the right side of the first rotating shaft and the second rotating shaft.
As a further improvement of the technical scheme, an L-shaped supporting plate used for fixing an external conductive valve ring connected with the circuit board is arranged on the front side of the mounting plate.
As a further improvement of the technical scheme, the upper surface of the L-shaped supporting plate is flush with the upper surface of the circuit board.
As a further improvement of the technical scheme, the L-shaped supporting plate and the mounting plate are integrally formed.
As a further improvement of the above technical solution, the first hall chip is located right above the first magnet, and the second hall chip is located right above the second magnet.
As a further improvement of the technical scheme, shaft sleeves are arranged between the first rotating shaft and the mounting plate, and between the second rotating shaft and the mounting plate.
As a further improvement of the above technical solution, the number of gears of the first gear and the second gear is an integral multiple of the number of pinion gears.
as a further improvement of the technical scheme, L-shaped fixing plates are arranged on two sides of the transmission structure.
As a further improvement of the technical scheme, the L-shaped fixing plate and the mounting plate are integrally formed.
Compared with the prior art, the utility model has the advantages that the end part of the first rotating shaft is respectively provided with the first magnet and the first gear, the end part of the second rotating shaft is respectively provided with the second magnet and the second gear, the first magnet and the second magnet are respectively arranged opposite to the first Hall chip and the second Hall chip arranged on the circuit board, the second gear is meshed and connected with the pinion on the first rotating shaft, the first gear can be meshed and connected with the gear on the external drum shaft for transmission, when the rope on the external drum shaft drives the drum shaft to rotate, the first gear meshed with the drum shaft is further driven, the magnetic field change generated by the rotation of the induction magnet of the Hall chip on the circuit board can be used for calculation, the accurate measurement of the length of the rope can be realized, because first gear and second gear all locate the same one side of mounting panel, so have compact structure, installation take up an area of the space little and measurement accuracy is high characteristics.
Drawings
Figure 1 is a schematic structural view of the present invention,
Fig. 2 is a perspective view of the present invention.
In the figure: 1. the mounting plate, 11, a first rotating shaft, 111, a pinion, 112, a first magnet, 113, a first gear, 12, a second rotating shaft, 121, a second magnet, 122, a second gear, 2, a circuit board, 3, a support column, 4, an L-shaped support plate, 5, a shaft sleeve and 6, an L-shaped fixing plate.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a transmission structure of a double-hall detection long angle sensor comprises a mounting plate 1 and a circuit board 2 which are arranged in parallel, and a supporting column 3 arranged between the mounting plate 1 and the circuit board 2, one end of the supporting column 3 is connected with the circuit board 2, the other end of the supporting column 3 is connected with the mounting plate 1, a first rotating shaft 11 and a second rotating shaft 12 are arranged on the mounting plate 1 in a penetrating way, the first rotating shaft 11 is provided with a pinion 111 and a first gear 113 which are staggered up and down, and one end of the first rotating shaft 11 near the circuit board 2 is provided with a first magnet 112, the second rotating shaft 12 is provided with a second gear 122 engaged with the pinion 111, and one end of the second rotating shaft 12 close to the circuit board 2 is provided with a second magnet 121, the number of teeth of the pinion 111 is less than the number of teeth of the first gear 113 and the second gear 122, and the circuit board 2 is provided with a first hall chip 21 opposite to the first magnet 112 and a second hall chip 22 opposite to the second magnet 121.
In this embodiment, the first rotating shaft 11 is provided with a pinion 111 and a first gear 113 which are staggered up and down, one end of the first rotating shaft 11 close to the circuit board 2 is provided with a first magnet 112, the second rotating shaft 12 is provided with a second gear 122 engaged with the pinion 111, one end of the second rotating shaft 12 close to the circuit board 2 is provided with a second magnet 121, the first magnet 112 is arranged opposite to the first hall chip 21 on the circuit board 2, the second magnet 121 is arranged opposite to the second hall chip 22 on the circuit board 2, the first gear 112 is engaged with the gear on the external reel shaft for transmission, when the rope on the external reel shaft drives the gear on the reel shaft to rotate, the first gear 112 engaged with the reel shaft is further driven, so that the magnetic field change generated by the rotation of the first magnet 112 oppositely arranged is sensed by the first hall chip 21 on the circuit board 2 can be calculated, because pinion 111 and first gear 113 misplace from top to bottom, so second gear 122 rotates under the drive of pinion 111 during this, the second hall chip 22 senses the magnetic field change that the second magnet 122 that sets up relatively rotates and produces and calculates, thus has realized the accurate measurement to the rope length, because first gear 112 and second gear 122 of the drive structure all locate the same side of mounting panel 1, so have compact structure, installation take up an area of the space and measure the high characteristic of precision. In the present embodiment, a certain distance is provided between the first magnet 112 and the first hall chip 21 and between the second magnet 121 and the second hall chip 22, the pinion 111 and the first gear 113 are located on the same side of the mounting plate 1, and the pinion 111 is located between the first gear 113 and the mounting plate 1, in other embodiments, the first gear 113 may be located between the pinion 111 and the mounting plate 1, and the second gear 122 is engaged with the pinion 111 and located on the lower side of the first gear 113; meanwhile, the pinion 111 and the first gear 113 may be disposed on the upper and lower sides of the mounting plate 1 or disposed on the upper side of the mounting plate 1, and it is only necessary to ensure that the pinion 111 is meshed with the second gear 122 and the first gear 113 is meshed with the gear on the external reel shaft.
As shown in fig. 1 and 2, four support columns 3 are symmetrically disposed on the left and right sides of the first rotating shaft 11 and the second rotating shaft 12, respectively. In this embodiment, the mounting plate 1 and the circuit board 2 are connected by the four support columns 3, so that the connection stability and reliability between the mounting plate and the circuit board are effectively ensured.
As shown in fig. 1 and 2, an L-shaped support plate 4 for fixing an external conductive valve ring connected to a circuit board 2 is disposed on the front side of the mounting plate 1, and the upper surface of the L-shaped support plate 4 is flush with the upper surface of the circuit board 2. In this embodiment, the L-shaped supporting plate 4 is used for installing an external conductive valve ring connected to the circuit board 2, and the upper surface of the L-shaped supporting plate 4 is flush with the upper surface of the circuit board 2, so that the connection between the whole transmission structures is more compact.
As shown in fig. 1 and 2, the L-shaped support plate 4 is integrally formed with the mounting plate 1. In this embodiment, L type backup pad 4 and mounting panel 1 integrated into one piece have effectively guaranteed adapting unit's stability and reliability, in actual course of working, can adopt frock mould integrated into one piece, guarantee the machining precision, have improved transmission precision to a certain extent.
As shown in fig. 1 and 2, the first hall chip 21 is located right above the first magnet 112, and the second hall chip 22 is located right above the second magnet 121. In this embodiment, the first hall chip 21 is located right above the first magnet 112, and the second hall chip 22 is located right above the second magnet 121, but appropriate distances should be kept between the first hall chip 21 and the first magnet 112 and between the second hall chip 22 and the second magnet 121, and by using a contactless sensor, wear of the measurement device can be effectively prevented, and the measurement accuracy and the transmission accuracy are improved.
As shown in fig. 1 and 2, a shaft sleeve 5 is disposed between the mounting plate 1 and each of the first rotating shaft 11 and the second rotating shaft 12. In this embodiment, the shaft sleeves 5 are arranged between the first rotating shaft 11 and the mounting plate 1 and between the second rotating shaft 12 and the mounting plate 1, so that the service lives of the components are prolonged to a certain extent, and the cost is reduced.
As shown in fig. 1 and 2, the number of gears of the first gear 113 and the second gear 122 is an integral multiple of the number of gears of the pinion 111. In this embodiment, the number of gears of the first gear 113 and the second gear 122 is set to be an integral multiple of the number of gears of the pinion 111, so that calculation in the system is facilitated, and transmission measurement accuracy is improved.
As shown in fig. 1 and 2, the two sides of the transmission structure are both provided with an L-shaped fixing plate 6. In this embodiment, the L-shaped fixing plate 6 arranged on two sides of the transmission structure can effectively fix the transmission structure, thereby improving the working stability of the transmission structure to a certain extent.
As shown in fig. 1 and 2, the L-shaped fixing plate 6 is integrally formed with the mounting plate 1. In this embodiment, L type fixed plate 6 and mounting panel 1 integrated into one piece have effectively guaranteed adapting unit's stability and reliability, in actual course of working, can adopt frock mould integrated into one piece, guarantee the machining precision, have improved transmission measurement accuracy to a certain extent.
It should be noted that "first" and "second" in the present invention only represent different components, not in order, and as shown in fig. 1, the vertical paper surface is inward and the vertical paper surface is outward and the vertical paper surface is upward and the vertical paper surface is downward.
It is right above the utility model provides a two hall detection long angle sensor transmission structure introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a long angle sensor transmission structure is surveyed to two halls, its characterized in that, including parallel arrangement's mounting panel (1) and circuit board (2) and locate mounting panel (1) and circuit board (2) between support column (3), the one end and the circuit board (2) of support column (3) are connected, and the other end and the mounting panel (1) of support column (3) are connected, wear to be equipped with first pivot (11) and second pivot (12) on mounting panel (1), be equipped with pinion (111) and first gear (113) that misplace from top to bottom on first pivot (11), and the one end that first pivot (11) is close to circuit board (2) is equipped with first magnet (112), be equipped with on second pivot (12) with pinion (111) intermeshing's second gear (122), and the one end that second pivot (12) are close to circuit board (2) is equipped with second magnet (121), the number of teeth of the pinion (111) is less than the number of teeth of the first gear (113) and the second gear (122), and a first Hall chip (21) opposite to the first magnet (112) and a second Hall chip (22) opposite to the second magnet (121) are arranged on the circuit board (2).
2. The transmission structure of the dual-hall detection long-angle sensor according to claim 1, wherein the number of the supporting columns (3) is four, and the four supporting columns are respectively symmetrically arranged on the left side and the right side of the first rotating shaft (11) and the second rotating shaft (12).
3. The transmission structure of the double-hall detection long-angle sensor according to claim 2, characterized in that an L-shaped support plate (4) for fixing an external conductive valve ring connected with the circuit board (2) is provided at the front side of the mounting plate (1).
4. The transmission structure of a double hall-effect detection long angle sensor according to claim 3, characterized in that the upper surface of the L-shaped support plate (4) is flush with the upper surface of the circuit board (2).
5. The transmission structure of a double hall-effect detection long angle sensor according to claim 4, characterized in that the L-shaped support plate (4) is integrally formed with the mounting plate (1).
6. The dual hall sensing long angle sensor transmission structure of claim 5, wherein the first hall chip (21) is located directly above the first magnet (112), and the second hall chip (22) is located directly above the second magnet (121).
7. The transmission structure of the dual-hall detection long-angle sensor according to claim 6, characterized in that shaft sleeves (5) are arranged between the first rotating shaft (11) and the mounting plate (1) and between the second rotating shaft (12) and the mounting plate (1).
8. The dual hall sensing long angle sensor transmission structure of claim 7, wherein the number of gears of the first gear (113) and the second gear (122) is an integral multiple of the number of gears of the pinion (111).
9. The transmission structure of the double-hall detection long-angle sensor according to claim 8, characterized in that L-shaped fixing plates (6) are provided on both sides of the transmission structure.
10. The transmission structure of a double hall-effect detection long angle sensor according to claim 9, characterized in that the L-shaped fixing plate (6) is integrally formed with the mounting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962288.9U CN209764003U (en) | 2019-06-25 | 2019-06-25 | Transmission structure of double-Hall long angle detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962288.9U CN209764003U (en) | 2019-06-25 | 2019-06-25 | Transmission structure of double-Hall long angle detection sensor |
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| Publication Number | Publication Date |
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| CN209764003U true CN209764003U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920962288.9U Active CN209764003U (en) | 2019-06-25 | 2019-06-25 | Transmission structure of double-Hall long angle detection sensor |
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| CN (1) | CN209764003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297965A (en) * | 2020-11-23 | 2021-02-02 | 艾菲发动机零件（武汉）有限公司 | Automobile seat position sensor |
-
2019
- 2019-06-25 CN CN201920962288.9U patent/CN209764003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297965A (en) * | 2020-11-23 | 2021-02-02 | 艾菲发动机零件（武汉）有限公司 | Automobile seat position sensor |
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