CN215297432U - Electronic overspeed switch type encoder - Google Patents
Electronic overspeed switch type encoder Download PDFInfo
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- CN215297432U CN215297432U CN202121402772.XU CN202121402772U CN215297432U CN 215297432 U CN215297432 U CN 215297432U CN 202121402772 U CN202121402772 U CN 202121402772U CN 215297432 U CN215297432 U CN 215297432U
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Abstract
The utility model relates to an electronic overspeed switch type encoder, which is applied to the technical field of encoders and solves the problems that the prior mechanical switch type encoder can not change the rotating speed according to the actual working requirement, the prior encoder can not be shelved, the prior resources can not be fully utilized and the cost is improved; the magnet is positioned on one end face of the rotating shaft, the control circuit assembly is fixed on the base and comprises a signal processing circuit board and a signal transmission circuit board arranged above the signal processing circuit board, and an induction chip is arranged at the position of the signal processing circuit board, which corresponds to the magnet, and is used for detecting the magnetic field change strength of the magnet when the rotating shaft rotates; the motor has the advantages of being suitable for motors with different revolution numbers, high in utilization rate and cost-saving.
Description
Technical Field
The utility model discloses use in encoder technical field, especially relate to an electronic type overspeed switch type encoder.
Background
An encoder (encoder) is a device that compiles, converts, and formats signals (e.g., bitstreams) or data into a form of signals that can be communicated, transmitted, and stored. Encoders convert angular or linear displacements, called codewheels, into electrical signals, called coderulers. The encoder can be divided into a contact type and a non-contact type according to a reading mode; encoders can be classified into an incremental type and an absolute type according to their operation principles. The incremental encoder converts displacement into periodic electrical signals, and then converts the electrical signals into counting pulses, and the number of the pulses is used for expressing the magnitude of the displacement. Each position of the absolute encoder corresponds to a certain digital code, so that its representation is only dependent on the start and end positions of the measurement, and not on the intermediate course of the measurement.
At present, the encoder on the market adopts mechanical switch formula encoder, because mechanical switch formula encoder's rotational speed is certain when using, consequently can not change the rotational speed according to the work demand of reality, then need change the encoder that is applicable to actual work, cause to shelve current mechanical switch formula encoder, can not make full use of current mechanical switch formula encoder, resources are wasted, raise the cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic type overspeed switch type encoder has solved current mechanical switch type encoder and can not change the rotational speed according to the work demand of reality, then needs to be changed and is applicable to the encoder of actual work, causes to shelve current mechanical switch type encoder, can not make full use of current mechanical switch type encoder, the extravagant resource, the problem of increase cost.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an electronic overspeed switch type encoder, which comprises a base and a protective shell matched with the base, wherein one side of the protective shell is provided with a threading hole which extends into the protective shell;
one end of the rotating shaft penetrates through the base and is rotatably connected with the base;
a magnet located on an end surface of the rotating shaft;
the control circuit assembly is fixed on the base and comprises a signal processing circuit board and a signal transmission circuit board arranged above the signal processing circuit board, an induction chip is arranged at the position, corresponding to the magnet, of the signal processing circuit board, and the induction chip is used for detecting the magnetic field change strength of the magnet when the rotating shaft rotates.
Further, be provided with the first support column of a plurality of between signal processing circuit board and the signal transmission circuit board, the top of first support column extends to the up end of signal transmission circuit board, first support column is used for fixing the top at signal processing circuit board with the signal transmission circuit board, be provided with a plurality of second support column between signal processing circuit board and the base, the second support column is used for fixing signal processing circuit board on the base, the top of second support column extends to the up end of signal processing circuit board and is connected with first support column.
Further, all the cover is equipped with vibration-damping gasket on first support column and the second support column, vibration-damping gasket's quantity is two at least, vibration-damping gasket on the first support column is fixed the both ends face that sets up at the signal transmission circuit board respectively, vibration-damping gasket on the second support column is fixed the both ends face that sets up at the signal processing circuit board respectively.
Furthermore, an external thread is arranged on the outer circular surface of the base, an internal thread matched with the external thread is arranged on the inner circular surface of the opening end of the protective shell, and the protective shell is in threaded connection with the base.
Furthermore, an annular clamping seat is fixedly arranged on one side of the protective shell, the circle center of the annular clamping seat and the circle center of the threading hole are located on the same horizontal line, at least two clamping claws are arranged on the annular clamping seat along the circumferential direction of the annular clamping seat, the clamping claws have elasticity, the annular clamping seat and the clamping claws are integrally arranged, the annular clamping seat and the clamping claws form a clamping pipe, a sleeve is sleeved on the clamping pipe and is in conical arrangement, and the sleeve is in threaded connection with the clamping pipe.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses an electronic type overspeed switch type encoder, through installing the magnet on the axis of rotation, and detect its magnetic field variation intensity when the magnet rotates along with the axis of rotation through the response chip, and will detect magnetic field variation intensity signal transmission to the signal processing circuit board, the signal processing circuit board is processed the signal received and is transmitted to the signal transmission circuit board, afterwards through the signal transmission circuit board with the signal of processing transmit to other equipment through the electric wire, so that other equipment obtains the rotational speed of motor and connecting axle through magnetic field variation intensity, when the rotational speed of driving motor changes, this electronic type overspeed switch type encoder can be accurate detect the change of driving motor rotational speed, consequently can make electronic type overspeed switch type encoder use with the driving motor cooperation of different rotational speeds, improve the availability factor of electronic type overspeed switch type encoder, the electronic overspeed switch type encoder is fully utilized, and the cost is reduced.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;
fig. 2 is an explosion diagram of the overall structure in the embodiment of the present invention.
Wherein the reference numerals are as follows:
1. a base; 2. a protective shell; 3. a rotating shaft; 4. a magnet; 5. a control circuit component; 51. a signal processing circuit board; 52. a signal transmission circuit board; 6. an induction chip; 7. a first support column; 8. a second support column; 9. a shock-absorbing pad; 10. an external thread; 11. an internal thread; 12. an annular cassette; 14. a claw; 15. a sleeve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, for the present invention, an electronic overspeed switch type encoder comprises a base 1, a protective casing 2 engaged with the base 1, a rotating shaft 3, a magnet 4 and a control circuit assembly 5, wherein one end of the rotating shaft 3 passes through the base 1 and is rotatably connected with the base 1, the magnet 4 is located on one end surface of the rotating shaft 3, the other end of the rotating shaft 3 is connected with a driving motor, when the driving motor works, the rotating shaft 3 is driven to rotate, i.e. the magnet 4 arranged on one end surface of the rotating shaft 3 also rotates, the magnet 4 can select a magnet, the control circuit assembly 5 is fixed on the base 1, the control circuit assembly 5 comprises a signal processing circuit board 51 and a signal transmission circuit board 52 arranged above the signal processing circuit board 51, a sensing chip 6 is arranged at a position where the signal processing circuit board 51 corresponds to the magnet 4, the sensing chip 6 is used for detecting the magnetic field variation intensity of the magnet 4 when the rotating shaft 3 rotates, the signal processing circuit board 51 is fixed above the base 1, the induction chip 6 arranged on the signal processing circuit board 51 is not contacted with the magnet 4, the magnet 4 has an N pole and an S pole, the magnet 4 can be driven to rotate when the driving motor drives the rotating shaft 3 to rotate, the N pole and the S pole of the magnet 4 change in the rotating process, so that the magnetic field intensity changes, the induction chip 6 detects the magnetic field change intensity signal and transmits the signal to the signal processing circuit board 51, the signal processing circuit board 51 processes the received signal and transmits the signal to the signal transmission circuit board 52, and then the processed signal is transmitted to other equipment through the signal transmission circuit board 52 through wires, so that the other equipment obtains the rotating speed of the driving motor and the connecting shaft through the magnetic field change intensity.
Further, referring to fig. 1 and 2, a plurality of first support columns 7 are disposed between the signal processing circuit board 51 and the signal transmission circuit board 52, top ends of the first support columns 7 extend to an upper end face of the signal transmission circuit board 52, the first support columns 7 are used for fixing the signal transmission circuit board 52 above the signal processing circuit board 51, a plurality of second support columns 8 are disposed between the signal processing circuit board 51 and the base 1, the second support columns 8 are used for fixing the signal processing circuit board 51 on the base 1, top ends of the second support columns 8 extend to the upper end face of the signal processing circuit board 51 and are connected with the first support columns 7, the signal processing circuit board 51 and the signal transmission circuit board 52 can be firmly fixed together through the first support columns 7, in addition, the control circuit assembly 5 can be firmly fixed on the base 1 through the second support columns 8, the stability of the control circuit assembly 5 is improved, and the control circuit assembly 5 is not easy to shake when being acted by force.
Further, refer to fig. 1 and 2, all the cover is equipped with vibration-damping gasket 9 on first support column 7 and the second support column 8, vibration-damping gasket 9's quantity is two at least, vibration-damping gasket 9 on first support column 7 is the fixed both ends face that sets up at signal transmission circuit board 52 respectively, vibration-damping gasket 9 on the second support column 8 is the fixed both ends face that sets up at signal processing circuit board 51 respectively, vibration-damping gasket 9 plays absorbing effect, vibration-damping gasket 9 plays the effect of protection to signal processing circuit board 51 and signal transmission circuit board 52 when the effect of received force, prevent that first support column 7 and second support column 8 from causing the damage to signal processing circuit board 51 and signal transmission circuit board 52.
Further, referring to fig. 1 and 2, an external thread 10 is provided on the outer circular surface of the base 1, an internal thread 11 matched with the external thread 10 is provided on the inner circular surface of the opening end of the protective shell 2, the protective shell 2 is in threaded connection with the base 1, and the protective shell 2 and the base 1 are fixedly mounted through the threaded connection.
Further, referring to fig. 1 and 2, one side of the protective shell 1 is provided with a threading hole (not labeled in the figures), the threading hole extends into the protective shell 2, one side of the protective shell 2 is fixedly provided with an annular clamping seat 12, the circle center of the annular clamping seat 12 and the circle center of the threading hole 13 are on the same horizontal line, the annular clamping seat 12 is provided with at least two claws 14 along the circumferential direction, the claws 14 have elasticity, the annular clamping seat 12 and the claws 14 are integrally formed and arranged, the annular clamping seat 12 and the claws 14 form a clamping pipe, the clamping pipe is sleeved with a sleeve 15, the sleeve 15 is in a conical shape, the sleeve 15 is in threaded connection with the clamping pipe, after the signal transmission wire is led out of the protective shell 2 from the threading hole 13, the signal transmission wire can be fixed through the matching of the sleeve 15 and the clamping pipe, the signal transmission wire is not easy to shake when in use, thereby ensuring the firmness when the signal transmission wire is connected with the signal transmission circuit board 52.
In summary, the following steps: the magnet 4 is arranged on the rotating shaft 3, the strength of the magnetic field change of the magnet 4 is detected by the induction chip 6 when the magnet 4 rotates along with the rotating shaft 3, the induction chip 6 transmits the signal of the detected strength of the magnetic field change to the signal processing circuit board 51, the signal processing circuit board 51 processes the received signal and transmits the processed signal to the signal transmission circuit board 52, and then the signal transmission circuit board 52 transmits the processed signal to other equipment through wires, so that the other equipment obtains the rotating speed of the motor and the connecting shaft through the strength of the magnetic field change, when the rotating speed of the driving motor changes, the electronic type overspeed switch type encoder can accurately detect the change of the rotating speed of the driving motor, thereby the electronic type overspeed switch type encoder can be matched with the driving motors with different rotating speeds for use, and the utilization rate of the electronic type overspeed switch type encoder is improved, the electronic overspeed switch type encoder is fully utilized.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. An electronic overspeed switch type encoder is characterized by comprising a base and a protective shell matched with the base, wherein one side of the protective shell is provided with a threading hole, and the threading hole extends into the protective shell;
one end of the rotating shaft penetrates through the base and is rotatably connected with the base;
a magnet located on an end surface of the rotating shaft;
the control circuit assembly is fixed on the base and comprises a signal processing circuit board and a signal transmission circuit board arranged above the signal processing circuit board, an induction chip is arranged at the position, corresponding to the magnet, of the signal processing circuit board, and the induction chip is used for detecting the magnetic field change strength of the magnet when the rotating shaft rotates.
2. The electronic overspeed switch-type encoder of claim 1, wherein a plurality of first supporting columns are disposed between the signal processing circuit board and the signal transmission circuit board, top ends of the first supporting columns extend to an upper end face of the signal transmission circuit board, the first supporting columns are used for fixing the signal transmission circuit board above the signal processing circuit board, a plurality of second supporting columns are disposed between the signal processing circuit board and the base, the second supporting columns are used for fixing the signal processing circuit board on the base, and top ends of the second supporting columns extend to the upper end face of the signal processing circuit board and are connected with the first supporting columns.
3. The electronic overspeed switch-type encoder of claim 2, wherein the first support column and the second support column are respectively sleeved with at least two damping gaskets, the damping gaskets on the first support column are respectively and fixedly disposed on two end faces of the signal transmission circuit board, and the damping gaskets on the second support column are respectively and fixedly disposed on two end faces of the signal processing circuit board.
4. The electronic type overspeed switch-type encoder according to claim 1 or 3, wherein an external thread is provided on an outer circumferential surface of said base, an internal thread fitted to the external thread is provided on an inner circumferential surface of an open end of said shield shell, and said shield shell is screw-coupled to the base.
5. The electronic overspeed switch type encoder according to claim 4, wherein an annular clamping seat is fixedly disposed on one side of the protective housing, a circle center of the annular clamping seat and a circle center of the threading hole are on the same horizontal line, at least two clamping jaws are disposed on the annular clamping seat along a circumferential direction of the annular clamping seat, the clamping jaws have elasticity, the annular clamping seat and the clamping jaws are integrally disposed, the annular clamping seat and the clamping jaws form a clamping pipe, a sleeve is sleeved on the clamping pipe, the sleeve is arranged in a conical shape, and the sleeve is in threaded connection with the clamping pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402772.XU CN215297432U (en) | 2021-06-23 | 2021-06-23 | Electronic overspeed switch type encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402772.XU CN215297432U (en) | 2021-06-23 | 2021-06-23 | Electronic overspeed switch type encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215297432U true CN215297432U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121402772.XU Active CN215297432U (en) | 2021-06-23 | 2021-06-23 | Electronic overspeed switch type encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215297432U (en) |
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2021
- 2021-06-23 CN CN202121402772.XU patent/CN215297432U/en active Active
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