Double-shielding anti-interference encoder

By using a ferrite nickel-zinc magnetic ring and a loose-ring structure to shield the energized coil from interference in the encoder, the problem of encoder signal transmission being affected was solved, achieving stable signal reception and protection of the connection lines.

CN223712537UActive Publication Date: 2025-12-23SUZHOU AMNEO DRIVE TECH CO LTD
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Patent Information

Application Number
CN202520272283.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-23
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

When the existing encoder is installed at the center of the brake, the energized coil interferes with signal transmission, resulting in a decrease in signal quality.

Method used

A double-shielded anti-interference encoder is adopted. Interference from the energized coil is shielded by a ferrite nickel-zinc magnetic ring and a tension ring structure. The connecting wires are protected by rubber pads, and the position of the ferrite nickel-zinc magnetic ring is adjusted to ensure stable installation.

Benefits of technology

It effectively shields the interference from the energized coil, ensuring that the encoder receives signals normally, protecting the connection wires, and improving the stability and flexibility of installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of encoders, in particular to a double-shielding anti-interference encoder, which comprises an encoder body, the surface of the encoder body is fixedly connected with a connecting block, the inner wall of the connecting block is provided with a connecting wire, one end of the connecting wire close to the encoder body is electrically connected with a plug, and the other end of the connecting wire close to the encoder body is electrically connected with the plug. The surface of the connecting wire is sleeved with an elastic ring, the surface of the connecting wire is sleeved with a ferrite nickel-zinc magnetic ring, a connecting screw rod is inserted into the inner wall of the elastic ring in a threaded mode, a sliding plate is fixedly connected to the side, close to the elastic ring, of the ferrite nickel-zinc magnetic ring, the surface of the sliding plate is sleeved with a sleeve plate, and the sleeve plate is fixedly connected with the elastic ring. According to the utility model, the problem in the prior art that the signal transmission is affected due to the fact that the encoder is installed at the central position of the brake and when the brake is electrified, the electrified coil always interferes with the encoder signal during the use process of the encoder is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to encoder technical field especially relates to a double shielding anti -interference encoder. BACKGROUND

[0002] When installing the elevator, the elevator hoist is needed to be installed synchronously to transport and transfer power, thereby controlling the elevator operation, and the working principle is that the electromagnetic induction of the brake coil is used to attract the armature, so that the hoist rotating shaft can rotate, and the rotation angle of the rotating shaft is detected by the encoder, and then the auxiliary control system controls the elevator operation.

[0003] The existing related technology often has the following defects: the encoder in the prior art is installed at the center of the brake, so that when the brake is powered, the power coil often interferes with the encoder signal, thereby affecting the signal transmission.

[0004] Therefore, the utility model provides a double shielding anti -interference encoder. UTILITY MODEL CONTENT

[0005] The utility model discloses a double shielding anti -interference encoder to solve the shortcomings that the encoder in the prior art is installed at the center of the brake, so that when the brake is powered, the power coil often interferes with the encoder signal, thereby affecting the signal transmission.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a double shielding anti -interference encoder, including the encoder body, the surface fixed connection of encoder body has the connecting block, the inner wall mounting of connecting block has the connecting line, the one end electric connection of connecting line near encoder body has the plug, the surface of connecting line is covered with the elastic ring, the surface of connecting line is covered with ferrite nickel zinc magnetic ring, the inner wall screw thread of elastic ring inserts the connecting screw rod.

[0007] The effect of the above-mentioned components is that: by setting the connecting screw rod, the elastic ring can be fixed after being sleeved on the connecting line, by setting the elastic ring, the ferrite nickel zinc magnetic ring can be installed, and by setting the ferrite nickel zinc magnetic ring, the encoder body can be ensured to normally receive signals as far as possible.

[0008] Preferably, the ferrite nickel zinc magnetic ring is fixedly connected with a sliding plate on the side close to the elastic ring, the surface of the sliding plate is sleeved with a sleeve plate, and the sleeve plate is fixedly connected with the elastic ring.

[0009] The effect of the above-mentioned components is that: by setting the sleeve plate and the sliding plate, the position of the ferrite nickel zinc magnetic ring can be adjusted while ensuring the connection between the ferrite nickel zinc magnetic ring and the elastic ring.

[0010] Preferably, a stabilizing rod is fixedly connected to the side of the ferrite-nickel-zinc magnetic ring near the slide plate, and a sleeve is fitted on the surface of the stabilizing rod, which is fixedly connected to a tension ring.

[0011] The effect achieved by the above components is that the stabilizing bar, which is slidably connected to the inner wall of the sleeve, can move. By setting the sleeve and the stabilizing bar, the stability of the ferrite nickel-zinc magnetic ring during installation and movement can be improved.

[0012] Preferably, the inner wall of the elastic ring is bonded with a rubber pad, and the rubber pad is in close contact with the connecting wire.

[0013] The effect achieved by the above components is that by setting rubber pads, damage to the connecting wires can be avoided as much as possible during the installation and use of the tensioning rings.

[0014] Preferably, a control block is fixedly connected to the upper surface of the slide plate, the control block is slidably connected to the inner wall of the sleeve plate, and a connecting rod is fixedly connected to the side of the control block.

[0015] The effect achieved by the above components is that the control block, which is slidably connected to the inner wall of the sleeve, can be moved, and the position of the slide can be easily adjusted by setting the control block and the connecting rod.

[0016] Preferably, an "L"-shaped plate is fixedly connected to the upper surface of the connecting rod, a pull rod is slidably connected to the inner wall of the "L"-shaped plate, and a pull plate is fixedly connected to the upper surface of the pull rod.

[0017] The effect achieved by the above components is that by setting the "L"-shaped plate, the tie rod can be connected to the connecting rod, and by setting the pull plate, the position of the tie rod can be easily moved.

[0018] Preferably, the surface of the pull rod is fitted with a spring, the two ends of the spring are fixedly connected to the pull plate and the "L"-shaped plate respectively, a toothed plate is fixedly connected to the side of the sleeve plate, and a toothed block is fixedly connected to the end of the pull rod near the toothed plate.

[0019] The effects achieved by the above components are as follows: by setting a spring, a stable connection between the pull rod and the "L"-shaped plate can be ensured; by setting a toothed block and a toothed plate, the position of the pull rod can be restricted.

[0020] In summary:

[0021] 1. In this utility model, by setting a ferrite nickel-zinc magnetic ring, interference from the energized coil can be shielded, thereby ensuring that the encoder can receive signals normally as much as possible. By setting a tension ring, the ferrite nickel-zinc magnetic ring can be easily installed and disassembled. By setting a rubber pad, the connecting wire can be protected as much as possible when installing the tension ring.

[0022] 2. The utility model discloses a set up sleeve board and sliding plate can conveniently adjust the distance between the elastic ring and ferrite nickel zinc magnetic ring, thereby can conveniently adjust the position of ferrite nickel zinc magnetic ring, set up sleeve rod and stabilizer, can improve the stability of ferrite nickel zinc magnetic ring installation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is another angle structure schematic diagram of the utility model;

[0025] Figure 3 It is the partial structure schematic diagram of the utility model; Figure 1

[0026] Figure 4 It is the structure schematic diagram of the sliding plate of the utility model;

[0027] Figure 5 It is the partial structure schematic diagram of the utility model. Figure 2

[0028] Legend: 1, encoder body; 2, connecting block; 3, plug; 4, connecting line; 5, elastic ring; 6, ferrite nickel zinc magnetic ring; 7, rubber pad; 8, connecting screw; 9, sleeve rod; 10, stabilizer; 11, sleeve board; 12, sliding plate; 13, control block; 14, connecting rod; 15, toothed plate; 16, "L" type plate; 17, pull plate; 18, pull rod; 19, spring; 20, toothed block. DETAILED DESCRIPTION

[0029] Referring to Figure 1 The utility model provides a kind of technical scheme: a kind of double shielding anti-interference encoder, including encoder body 1, the surface of encoder body 1 is fixedly connected with connecting block 2, connecting block 2's inner wall is equipped with connecting line 4, connecting line 4 is electrically connected with plug 3 near one end of encoder body 1, connecting line 4 is equipped with elastic ring 5 on the surface, connecting line 4 is equipped with ferrite nickel zinc magnetic ring 6 on the surface, and connecting screw 8 is threadedly inserted in the inner wall of elastic ring 5.Through setting connecting screw 8, elastic ring 5 can be fixed after being sleeved on connecting line 4, by setting elastic ring 5, ferrite nickel zinc magnetic ring 6 can be installed, by setting ferrite nickel zinc magnetic ring 6, encoder body 1 can be guaranteed to normally receive signal as far as possible.

[0030] The overall specific setting and effect will be specifically described below.

[0031] Referring to Figures 1-5 ​​As shown, in the embodiment: the ferrite nickel zinc magnetic ring 6 is fixedly connected with the slide plate 12 on one side close to the elastic ring 5, the surface of the slide plate 12 is sleeved with the sleeve plate 11, and the sleeve plate 11 is fixedly connected with the elastic ring 5. By setting the sleeve plate 11 and the slide plate 12, the position of the ferrite nickel zinc magnetic ring 6 can be adjusted while ensuring the connection between the ferrite nickel zinc magnetic ring 6 and the elastic ring 5. The ferrite nickel zinc magnetic ring 6 is fixedly connected with the stabilizing rod 10 on one side close to the slide plate 12, the surface of the stabilizing rod 10 is sleeved with the sleeve rod 9, and the sleeve rod 9 is fixedly connected with the elastic ring 5. The stabilizing rod 10 slidably connected with the inner wall of the sleeve rod 9 can move, and by setting the sleeve rod 9 and the stabilizing rod 10, the stability of the ferrite nickel zinc magnetic ring 6 during installation and movement can be improved. The inner wall of the elastic ring 5 is glued with the rubber pad 7, and the rubber pad 7 is tightly attached to the connecting wire 4. By setting the rubber pad 7, damage to the connecting wire 4 during installation and use of the elastic ring 5 can be avoided as much as possible. The upper surface of the slide plate 12 is fixedly connected with the control block 13, the control block 13 is slidably connected with the inner wall of the sleeve plate 11, and the side surface of the control block 13 is fixedly connected with the connecting rod 14. The control block 13 slidably connected with the inner wall of the sleeve plate 11 can move, and by setting the control block 13 and the connecting rod 14, the position of the slide plate 12 can be adjusted conveniently.

[0032] The upper surface of the connecting rod 14 is fixedly connected with the "L" type plate 16, the inner wall of the "L" type plate 16 is slidably connected with the pull rod 18, and the upper surface of the pull rod 18 is fixedly connected with the pull plate 17. By setting the "L" type plate 16, the pull rod 18 can be connected with the connecting rod 14, and by setting the pull plate 17, the position of the pull rod 18 can be moved conveniently. The surface of the pull rod 18 is sleeved with the spring 19, the two ends of the spring 19 are fixedly connected with the pull plate 17 and the "L" type plate 16 respectively, the side surface of the sleeve plate 11 is fixedly connected with the toothed plate 15, and one end of the pull rod 18 close to the toothed plate 15 is fixedly connected with the tooth block 20. By setting the spring 19, the stable connection between the pull rod 18 and the "L" type plate 16 can be ensured, and by setting the tooth block 20 and the toothed plate 15, the position of the pull rod 18 can be limited.

[0033] The working principle is that before the encoder body 1 is installed, firstly, the connecting wire 4 is passed through the elastic ring 5 and the ferrite-nickel-zinc magnetic ring 6, then the elastic ring 5 is fixed through the connecting screw 8, the pull plate 17 is pulled to drive the pull rod 18 to slide on the inner wall of the L-shaped plate 16, the tooth block 20 is moved away from the tooth plate 15, the position of the connecting rod 14 and the control block 13 is released, the position of the sliding plate 12 is adjusted through the control block 13, and the stability of the movement of the ferrite-nickel-zinc magnetic ring 6 is improved through the sliding of the stabilizing rod 10 on the inner wall of the sleeve rod 9, then the pull plate 17 is loosened, under the elastic force of the spring 19, the tooth block 20 is moved to be close to the tooth plate 15, the position of the sliding plate 12 is limited, the installation and position adjustment of the ferrite-nickel-zinc magnetic ring 6 are completed, the connecting wire 4 is connected with the encoder body 1 through the plug 3, the position of the connecting wire 4 is fixed through the connecting block 2, the interference of the energized coil can be shielded through the ferrite-nickel-zinc magnetic ring 6, so that the encoder can normally receive signals as much as possible, the ferrite-nickel-zinc magnetic ring 6 can be conveniently installed and dismounted through the elastic ring 5, the connecting wire 4 can be protected as much as possible through the rubber pad 7 when the elastic ring 5 is installed, the distance between the elastic ring 5 and the ferrite-nickel-zinc magnetic ring 6 can be adjusted through the sleeve plate 11 and the sliding plate 12, so that the position of the ferrite-nickel-zinc magnetic ring 6 can be adjusted conveniently, and the stability of the installation of the ferrite-nickel-zinc magnetic ring 6 can be improved through the sleeve rod 9 and the stabilizing rod 10.

[0034] In the description of the utility model, it is to explain that, unless there is definite and limited, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood through specific circumstances.

Claims

1. A double shielded interference resistant encoder comprising an encoder body (1) characterized in that: The surface of the encoder body (1) is fixedly connected with a connecting block (2), the inner wall of the connecting block (2) is installed with a connecting line (4), one end of the connecting line (4) is electrically connected with a plug (3) close to the encoder body (1), the surface of the connecting line (4) is sleeved with an elastic ring (5), the surface of the connecting line (4) is sleeved with a ferronickel zinc magnetic ring (6), and the inner wall of the elastic ring (5) is threadedly inserted with a connecting screw (8).

2. A double shielded anti-tamper encoder according to claim 1, wherein: The ferronickel zinc magnetic ring (6) is fixedly connected with a sliding plate (12) on the side close to the elastic ring (5), the surface of the sliding plate (12) is sleeved with a sleeve plate (11), and the sleeve plate (11) is fixedly connected with the elastic ring (5).

3. A double shielded anti-tamper encoder according to claim 2, wherein: The ferronickel zinc magnetic ring (6) is fixedly connected with a stabilizing rod (10) on the side close to the sliding plate (12), the surface of the stabilizing rod (10) is sleeved with a sleeve rod (9), and the sleeve rod (9) is fixedly connected with the elastic ring (5).

4. The double shielded anti-tamper encoder of claim 1, wherein: The inner wall of the elastic ring (5) is glued with a rubber pad (7), and the rubber pad (7) is closely attached to the connecting line (4).

5. A double shielded anti-tamper encoder according to claim 2, wherein: The upper surface of the sliding plate (12) is fixedly connected with a control block (13), the control block (13) is slidingly connected to the inner wall of the sleeve plate (11), and the side surface of the control block (13) is fixedly connected with a connecting rod (14).

6. A double shielded anti-tamper encoder according to claim 5, wherein: The upper surface of the connecting rod (14) is fixedly connected with an "L" type plate (16), the inner wall of the "L" type plate (16) is slidingly connected with a pull rod (18), and the upper surface of the pull rod (18) is fixedly connected with a pull plate (17).

7. A double shielded anti-tamper encoder according to claim 6, wherein: The surface of the pull rod (18) is sleeved with a spring (19), the two ends of the spring (19) are fixedly connected with the pull plate (17) and the "L" type plate (16) respectively, the side surface of the sleeve plate (11) is fixedly connected with a toothed plate (15), and one end of the pull rod (18) close to the toothed plate (15) is fixedly connected with a tooth block (20).