CN216116070U - Multi-circle rotary encoder sensor - Google Patents
Multi-circle rotary encoder sensor Download PDFInfo
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- CN216116070U CN216116070U CN202121546396.1U CN202121546396U CN216116070U CN 216116070 U CN216116070 U CN 216116070U CN 202121546396 U CN202121546396 U CN 202121546396U CN 216116070 U CN216116070 U CN 216116070U
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Abstract
The utility model provides a multi-circle rotary encoder sensor, and relates to the field of multi-circle rotary encoder sensors. Comprises a rotary encoder body; mechanism is prevented to electromagnetic shield, rotary encoder body is connected with the electromagnetic shield and prevents the mechanism, the electromagnetic shield prevents that the mechanism includes aluminium system electromagnetic shield safety cover, unable adjustment base, two hank shielding connection electric wires, fine metal wire shielding protection layer and the insulating protective sheath of first rubber, unable adjustment base is installed to the bottom of aluminium system electromagnetic shield safety cover, two hank shielding connection electric wires are connected with the connection terminal, all install fine metal wire shielding protection layer around two hank shielding connection electric wire inner walls, and the surface mounting of two hank shielding connection electric wires has the insulating protective sheath of first rubber. The multi-turn rotary encoder sensor provided by the utility model has the advantages of high-frequency magnetic field shielding protection and stable installation.
Description
Technical Field
The utility model relates to the field of multi-turn rotary encoder sensors, in particular to a multi-turn rotary encoder sensor.
Background
The photoelectric rotary encoder can convert mechanical quantities such as angular displacement and angular speed of an output shaft into corresponding electric pulses to be output in digital quantities through photoelectric conversion, and the encoder is widely applied to a plurality of aspects such as motors, automobiles, wind power, elevators, robots and the like.
In the practical use process of the rotary encoder, the external anti-magnetic field interference shielding protection function of the rotary encoder is weak, and the rotary encoder is easily interfered by an external high-frequency magnetic field or current interference caused by electric leakage, so that signal output is unstable, data signal transmission is influenced, and detection data cannot be fed back in time.
Therefore, it is necessary to provide a multi-turn rotary encoder sensor to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a multi-turn rotary encoder sensor which can perform electromagnetic shielding protection on a rotary encoder and reduce interference.
The utility model adopts the following technical scheme:
a multi-turn rotary encoder sensor includes a rotary encoder body; the electromagnetic shielding prevention mechanism is connected with the rotary encoder body.
Preferably, the rotary encoder body comprises a rotary encoder main body, a protective cover, a shaft rod, a connecting protective sleeve and a wire holder, the protective cover is installed at the bottom of the rotary encoder main body, the rotary encoder main body is rotatably connected with the shaft rod penetrating through the protective cover, the shaft rod is connected with the connecting protective sleeve, and the outer surface of the rotary encoder main body is connected with the wire holder used for being connected with an external signal.
Preferably, the mechanism is prevented in electromagnetic shield includes aluminium system electromagnetic shield safety cover, unable adjustment base, two hank shielding connection electric wires, metallic thin line shielding protective layer and first rubber insulation protective sheath, unable adjustment base is installed to the bottom of aluminium system electromagnetic shield safety cover, two hank shielding connection electric wires are connected with the connection terminal, two hank shielding connection electric wires inner wall all install metallic thin line shielding protective layer all around, and two surface mounting that twist shielding connection electric wires have first rubber insulation protective sheath.
Preferably, the electromagnetic shielding prevention mechanism further comprises a second rubber insulating protective sleeve, and the second rubber insulating protective sleeve is mounted on the outer surface of the shaft rod.
Preferably, the electromagnetic shielding prevention mechanism further comprises an insulating protection gasket, and the insulating protection gasket is mounted on the lower surface of the shaft rod.
Preferably, the rotary encoder body is connected with a fixed mounting mechanism.
Preferably, fixed mounting mechanism includes U type mounting panel, curb plate, fastening bolt and screw thread through-hole, the lower fixed surface of rotary encoder main part is connected with the U type mounting panel that the opening is decurrent, the axostylus axostyle is located U type mounting panel, the lower extreme external surface fixed connection of U type mounting panel has the curb plate of two symmetries settings, and the screw thread through-hole that link up from top to bottom is seted up to the curb plate, and screw thread through-hole female connection has fastening bolt.
Preferably, the fixed mounting mechanism further comprises an anti-slip gasket, and the anti-slip gasket is sleeved on the fastening bolt.
The utility model has the advantages that:
1. the utility model provides a multi-turn rotary encoder sensor, wherein an aluminum electromagnetic shielding protective cover can cover and wrap a rotary encoder main body integrally in the operation process to shield an external magnetic field and protect the rotary encoder main body from being interfered by a high-frequency magnetic field during use, and meanwhile, a metal thin wire shielding protective layer, a first rubber insulating protective sleeve, a second rubber insulating protective sleeve and an insulating protective gasket can insulate and protect a twisted pair shielding connecting wire and a shaft rod, so that when the rotary encoder main body is connected with external equipment such as a motor and the like, alternating current leakage of the external equipment is avoided, the signal output of the rotary encoder main body is unstable, detection data cannot be transmitted in time, and the stability of the rotary encoder main body in use is improved.
2. The utility model provides a multi-turn rotary encoder sensor, which is convenient for supporting and mounting a rotary encoder main body through a U-shaped mounting plate, a side plate and a fastening bolt, can protect a shaft rod, and prevents the shaft rod from being damaged due to the fact that the shaft rod cannot bear load because the shaft rod is not pressed due to insufficient supporting force of the rotary encoder main body, thereby improving the firmness of the rotary encoder main body in use.
Drawings
FIG. 1 is a schematic structural diagram of a multi-turn rotary encoder sensor according to a preferred embodiment of the present invention for electromagnetic shielding protection and interference reduction of the rotary encoder;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
fig. 4 is an enlarged schematic view of a portion a in fig. 1.
Reference numbers in the figures: 1. a rotary encoder body; 11. a rotary encoder body; 12. a protective cover; 13. a shaft lever; 14. connecting a protective sleeve; 15. a wire holder; 2. an electromagnetic shielding prevention mechanism; 21. an aluminum electromagnetic shielding protective cover; 22. a fixed base; 23. a twisted pair shield connecting wire; 24. a fine metal wire shielding protective layer; 25. a first rubber insulating protective sleeve; 26. a second rubber insulating protective sleeve; 27. an insulating protection gasket; 3. a fixed mounting mechanism; 31. a U-shaped mounting plate; 32. a side plate; 33. an anti-slip gasket; 34. fastening a bolt; 35. a threaded through bore.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic structural diagram of a multi-turn rotary encoder sensor for electromagnetic shielding protection and interference reduction of a rotary encoder according to a preferred embodiment of the present invention; FIG. 2 is a schematic front view of the structure of FIG. 1; FIG. 3 is a schematic top view of the structure of FIG. 1; fig. 4 is an enlarged schematic view of a portion a in fig. 1. A multiturn rotary encoder sensor includes a rotary encoder body 1, an electromagnetic shielding prevention mechanism 2, and a fixed mounting mechanism 3.
In a specific implementation process, as shown in fig. 1 and fig. 2, the rotary encoder body 1 is connected with an electromagnetic shielding mechanism 2; the rotary encoder body 1 comprises a rotary encoder main body 11, a protective cover 12, a shaft rod 13, a connecting protective sleeve 14 and a wire holder 15, wherein the protective cover 12 is installed at the bottom of the rotary encoder main body 11, the rotary encoder main body 11 is rotatably connected with the shaft rod 13 penetrating through the protective cover 12, the shaft rod 13 is connected with the connecting protective sleeve 14, and the outer surface of the rotary encoder main body 11 is connected with the wire holder 15 used for being connected with an external signal.
Referring to fig. 1 and 4, electromagnetic shielding prevention mechanism 2 includes aluminium system electromagnetic shielding protection cover 21, unable adjustment base 22, two hank shielding connecting wire 23, metallic thin line shielding protection layer 24 and first rubber insulation protective sheath 25, unable adjustment base 22 is installed to the bottom of aluminium system electromagnetic shielding protection cover 21, two hank shielding connecting wire 23 are connected with connection terminal 15, all install metallic thin line shielding protection layer 24 around two hank shielding connecting wire 23 inner walls, and two surface mounting that twist shielding connecting wire 23 has first rubber insulation protective sheath 25.
It should be noted that, the aluminum electromagnetic shielding protective cover 21 covers and wraps the rotary encoder body 1, so as to shield the interference of the high-frequency magnetic field, and prevent the high-frequency magnetic field from interfering with the rotary encoder body 1, which results in unstable signal output of the rotary encoder main body 11 and incapability of timely transmitting data signals.
Referring to fig. 2, the electromagnetic shielding mechanism 2 further includes a second rubber insulating protective sleeve 26, and the second rubber insulating protective sleeve 26 is mounted on the outer surface of the shaft 13.
It should be noted that, the shaft rod 13 can be insulated and protected by the second rubber insulation protective sleeve 26, so as to prevent the casing of the external device from alternating current leakage, and the alternating current leakage is transmitted to the rotary encoder main body 11 along the shaft rod 13, thereby affecting the circuit operation inside the rotary encoder main body 11.
Referring to fig. 2, the electromagnetic shielding mechanism 2 further includes an insulating protective gasket 27, and the insulating protective gasket 27 is mounted on the lower surface of the shaft 13.
It should be noted that the insulating protection pad 27 is used in cooperation with the second rubber insulating protection sleeve 26, so as to increase the insulating protection of the shaft 13.
Referring to fig. 1 and 3, the rotary encoder body 11 is connected with a fixed mounting mechanism 3; fixed mounting mechanism 3 includes U type mounting panel 31, curb plate 32, fastening bolt 34 and screw thread through-hole 35, the lower fixed surface of rotary encoder main part 11 is connected with the U type mounting panel 31 that the opening is decurrent, axostylus axostyle 13 is located U type mounting panel 31, the curb plate 32 that two symmetries of the lower extreme external surface fixed connection of U type mounting panel 31 set up, and the screw thread through-hole 35 that link up about the curb plate 32 is seted up, and screw thread through-hole 35 female connection has fastening bolt 34.
It should be noted that, use through curb plate 32 cooperation U type mounting panel 31, the rotary encoder body 1 of being convenient for installs, can improve the stability of rotary encoder body 1 installation simultaneously, avoids rotary encoder body 1's holding power not enough, and axostylus axostyle 13 is forced to appear damaging or rotary encoder body 1 appears inclining by heavily pressing.
Referring to fig. 1, the fixed mounting mechanism 3 further includes an anti-slip gasket 33, and the fastening bolt 34 is sleeved with the anti-slip gasket 33.
When the rotary encoder body 1 is fixedly connected to an external device by rotating the fastening bolt 34, the friction force of the fastening bolt 34 can be increased by the anti-slip washer 33, and the mounting firmness can be improved.
The working principle of the multi-turn rotary encoder sensor capable of performing electromagnetic shielding protection and interference reduction on the rotary encoder provided by the utility model is as follows:
firstly, the rotary encoder main body 11 is placed on the fixed base 22, then the aluminum electromagnetic shielding protection cover 21 is in butt joint with the fixed base 22, then the double-twisted shielding connecting wire 23 is connected with the rotary encoder main body 11 through the connecting protection cover 14, meanwhile, the fixed installation mechanism 3 is installed with the rotary encoder main body 11 through a screw structure, the rotary encoder main body 1 is placed above external equipment needing to be connected, and is connected and installed through the rotary fastening bolt 34, the shaft rod 13 can be protected during operation, the installation is firmer, the phenomenon that the rotary encoder main body 11 is insufficient in supporting force and is over-bearing of the shaft rod 13 and topples due to insufficient firm connection is avoided, the second rubber insulating protection sleeve 26 and the first rubber insulating protection sleeve 25 are respectively sleeved on the shaft rod 13 and the double-twisted shielding connecting wire 23, and the aluminum electromagnetic shielding protection cover 21 is matched for use, high-frequency magnetic field shielding protection and insulation protection can be carried out on the rotary encoder main body 11 to prevent alternating current leakage, so that the situation that the signal output of the rotary encoder main body 11 is unstable and data transmission is not timely is avoided.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The utility model is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. A multi-turn rotary encoder sensor, characterized by: comprises a rotary encoder body (1); the rotary encoder comprises a rotary encoder body (1) and is characterized in that the rotary encoder body (1) comprises a rotary encoder main body (11), a protective cover (12), a shaft lever (13), a connecting protective sleeve (14) and a wire holder (15), the protective cover (12) is installed at the bottom of the rotary encoder main body (11), the rotary encoder main body (11) is rotatably connected with the shaft lever (13) penetrating through the protective cover (12), the shaft lever (13) is connected with the connecting protective sleeve (14), and the outer surface of the rotary encoder main body (11) is connected with the wire holder (15) used for being connected with an external signal.
2. A multi-turn rotary encoder sensor according to claim 1, wherein: the electromagnetic shielding device also comprises an electromagnetic shielding prevention mechanism (2); electromagnetic shielding prevents mechanism (2) and includes aluminium system electromagnetic shielding safety cover (21), unable adjustment base (22), two hank shielding connection electric wire (23), metallic thin line shielding protection layer (24) and first rubber insulation protective sheath (25), unable adjustment base (22) are installed to the bottom of aluminium system electromagnetic shielding safety cover (21), two hank shielding connection electric wire (23) are connected with connection terminal (15), all install metallic thin line shielding protection layer (24) around two hank shielding connection electric wire (23) inner walls, and the surface mounting that two hank shielding connection electric wire (23) has first rubber insulation protective sheath (25).
3. A multi-turn rotary encoder sensor according to claim 2, wherein: the electromagnetic shielding prevention mechanism (2) further comprises a second rubber insulation protective sleeve (26), and the second rubber insulation protective sleeve (26) is mounted on the outer surface of the shaft rod (13).
4. A multi-turn rotary encoder sensor according to claim 2 or 3, wherein: the electromagnetic shielding prevention mechanism (2) further comprises an insulating protection gasket (27), and the insulating protection gasket (27) is installed on the lower surface of the shaft rod (13).
5. A multi-turn rotary encoder sensor according to claim 1, wherein: the rotary encoder main body (11) is connected with a fixed mounting mechanism (3).
6. A multi-turn rotary encoder sensor according to claim 5, wherein: fixed mounting mechanism (3) are including U type mounting panel (31), curb plate (32), fastening bolt (34) and screw thread through-hole (35), the lower fixed surface of rotary encoder main part (11) is connected with U type mounting panel (31) that the opening is decurrent, axostylus axostyle (13) are located U type mounting panel (31), curb plate (32) that two symmetries of the lower extreme external fixed surface of U type mounting panel (31) set up, screw thread through-hole (35) that link up from top to bottom are seted up in curb plate (32), and screw thread through-hole (35) female connection has fastening bolt (34).
7. A multi-turn rotary encoder sensor according to claim 6, wherein: the fixed mounting mechanism (3) further comprises an anti-skid gasket (33), and the anti-skid gasket (33) is sleeved on the fastening bolt (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121546396.1U CN216116070U (en) | 2021-07-08 | 2021-07-08 | Multi-circle rotary encoder sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121546396.1U CN216116070U (en) | 2021-07-08 | 2021-07-08 | Multi-circle rotary encoder sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216116070U true CN216116070U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121546396.1U Active CN216116070U (en) | 2021-07-08 | 2021-07-08 | Multi-circle rotary encoder sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216116070U (en) |
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2021
- 2021-07-08 CN CN202121546396.1U patent/CN216116070U/en active Active
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