CN212274950U

CN212274950U - Novel absolute value encoder with good anti-interference effect

Info

Publication number: CN212274950U
Application number: CN202020890781.7U
Authority: CN
Inventors: 郭峰
Original assignee: YANGZHOU WEIPENG AUTOMATION TECHNOLOGY CO LTD
Current assignee: YANGZHOU WEIPENG AUTOMATION TECHNOLOGY CO LTD
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-01
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a novel effectual absolute value encoder of anti-interference of absolute value encoder technical field, which comprises an outer shell body, the cavity wall gluing is provided with anti-interference board one in the shell body, the shell body right side cup joints and is provided with fixed lid, fixed lid outer wall welded fastening has flange, the top and the bottom of flange right-hand member face all are provided with clamping screw, the shell body right side is connected with the connector, the shell body left end face is provided with the bed plate, evenly run through on the bed plate and be provided with connecting bolt, this absolute value encoder can carry out anti-interference processing to external interference signal, and simultaneously, this absolute value encoder installation is fixed convenient, is convenient for dismantle the maintenance.

Description

Novel absolute value encoder with good anti-interference effect

Technical Field

The utility model relates to an absolute value encoder technical field specifically is a novel effectual absolute value encoder of anti-interference.

Background

The absolute encoder optical code disc has a plurality of optical channel scribes, each of which is sequentially arranged by 2 lines, 4 lines, 8 lines and 16 lines, so that at each position of the encoder, a group of unique 2-system codes (Gray codes) from the zero power of 2 to the n-1 power of 2 is obtained by reading the passing and the dark of each scribe line, which is called an n-bit absolute encoder.

At present, signal interference's phenomenon can often appear in the use to the absolute value encoder, and if set up the jam-proof device in addition comparatively troublesome to the signal interference phenomenon, simultaneously, the installation is fixed comparatively inconvenient between the current absolute value encoder casing, influences absolute value encoder's dismantlement maintenance efficiency, and consequently, a novel absolute value encoder that anti-interference effect is good is very valuable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel effectual absolute value encoder of anti-interference to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel effectual absolute value encoder of anti-interference, includes the shell body, cavity wall gluing is provided with anti-jamming plate one in the shell body, the shell body right side cup joints and is provided with fixed lid, fixed lid outer wall welded fastening has flange, the top and the bottom of flange right-hand member face all are provided with clamping screw, the shell body right side is connected with the connector, shell body left end face is provided with the bed plate, evenly run through on the bed plate and be provided with connecting bolt.

Preferably, the fixed cover comprises a cover main body, an inner cavity of the cover main body is provided with a second anti-interference plate, the second anti-interference plate is arranged at the center of the right end face of the cover main body and the center of the right end face of the second anti-interference plate, a central through hole matched with the connector is transversely arranged in a penetrating mode, the connector penetrates through and extends out of the inner cavity of the central through hole, a limiting ring groove is arranged on the right side of the inner cavity of the cover main body, an inner groove is formed in the inner wall of the cover main body, a ring groove is formed in.

Preferably, the right side of the outer shell is inserted into the inner cavity of the left side of the cover main body, the longitudinal section of the outer shell is circular, and the right end face of the outer shell is movably inserted into the inner cavity of the limiting ring groove.

Preferably, the right side of the outer wall of the outer shell is provided with an external thread matched with the internal groove, and the outer shell is movably connected with the cover main body through the internal groove.

Preferably, the inner cavities of the second anti-interference plate and the first anti-interference plate are all permalloy plate layers.

Preferably, the outer wall of the sealing rubber ring is tightly attached and connected with the outer wall of the outer shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a novel effectual absolute value encoder of anti-interference, the device realizes carrying out anti interference treatment to the absolute value encoder through the anti-jamming plate one of shell body inner chamber setting and the anti-jamming plate two of lid main part inner chamber setting, and the permalloy sheet layer that anti-jamming plate one and anti-jamming plate two inner chambers set up adopts permalloy to often indicate the iron-nickel alloy, is to use very extensive soft magnetic alloy. Through a proper process, the magnetic performance can be effectively controlled, the first anti-interference plate and the permalloy plate layer in the inner cavity of the cover main body surround the absolute value encoder, so that a space coupling channel of an interference field is cut off or weakened, the transmission of electromagnetic energy of the interference field is prevented, and the anti-interference effect of the absolute value encoder is realized;

the inner screw groove on the inner cavity of the cover main body is matched with the outer screw thread on the outer wall of the outer shell, so that the outer shell and the cover main body are easy and convenient to install, meanwhile, the sealing rubber ring is tightly attached to the outer wall of the outer shell, so that the sealing treatment of the joint of the cover main body and the outer shell is realized through the sealing rubber ring, and external dust, liquid and the like are prevented from entering the joint of the cover main body and the outer shell;

through the spacing ring groove in the lid main part, realize carrying out spacing fixed processing to the shell body right side of pegging graft in the lid main part, prevent to cover main part and shell body junction and take place to rock the phenomenon, influence the two stability of connecting fixedly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the fixing cover of the present invention.

In the figure: 1. an outer housing; 2. a first anti-interference plate; 3. a fixed cover; 31. a cover main body; 32. a second anti-interference plate; 33. a central through hole; 34. a limit ring groove; 35. an inner spiral groove; 36. a ring groove; 37. sealing the rubber ring; 4. a connector; 5. a connecting flange; 6. fixing the screw rod; 7. a base plate; 8. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a novel effectual absolute value encoder of anti-interference, includes shell body 1, and the chamber wall gluing is provided with anti-jamming board one 2 in shell body 1, and shell body 1 right side cup joints and is provided with fixed lid 3, and fixed lid 3 outer wall welded fastening has flange 5, and the top and the bottom of 5 right-hand member faces of flange all are provided with clamping screw 6, and shell body 1 right side is connected with connector 4, and shell body 1 left end face is provided with bed plate 7, evenly runs through on the bed plate 7 and is provided with connecting bolt 8.

Referring to fig. 2, the fixed cover 3 includes a cover main body 31, an inner cavity of the cover main body 31 is provided with a second anti-interference plate 32, the centers of right end faces of the second anti-interference plate 32 and the cover main body 31 are transversely provided with a central through hole 33 matched with the connector 4, the connector 4 passes through and extends out of the inner cavity of the central through hole 33, the right side of the inner cavity of the cover main body 31 is provided with a limit ring groove 34, the inner wall of the cover main body 31 is provided with an inner groove 35, the left side of the inner groove 35 is provided with a ring groove 36, and the inner cavity of the.

Referring to fig. 1 and 2, the right side of the outer shell 1 is inserted into the inner cavity of the left side of the cap body 31, the longitudinal section of the outer shell 1 is circular, the right end face of the outer shell 1 is movably inserted into the inner cavity of the limit ring groove 34, and the limit ring groove 34 on the cap body 31 is used for limiting and fixing the right side of the outer shell 1 inserted into the cap body 31, so that the connection between the cap body 31 and the outer shell 1 is prevented from shaking, and the connection and fixation stability of the cap body 31 and the outer shell 1 is prevented from being affected.

Referring to fig. 1 and 2, the right side of the outer wall of the outer shell 1 is provided with an external thread matching with the internal thread groove 35, and the outer shell 1 and the cap body 31 are movably connected through the internal thread groove 35, and the internal thread groove 35 on the inner cavity of the cap body 31 is matched with the external thread on the outer wall of the outer shell 1, so that the outer shell 1 and the cap body 31 are easy and convenient to install.

Referring to fig. 1 and 2, the inner cavities of the first anti-jamming plate 32 and the second anti-jamming plate 2 are permalloy plate layers, the anti-jamming processing of the absolute value encoder is realized through the first anti-jamming plate 2 arranged in the inner cavity of the outer shell 1 and the second anti-jamming plate 32 arranged in the inner cavity of the cover main body 31, the permalloy plate layers arranged in the inner cavities of the first anti-jamming plate 2 and the second anti-jamming plate 32 are permalloy, which usually refers to iron-nickel alloy, and the nickel content is within the range of 30-90%. Is a very widely used soft magnetic alloy. Through a proper process, the magnetic performance can be effectively controlled, such as initial permeability exceeding 105, maximum permeability exceeding 106, coercive force as low as 2% oersted, and rectangular coefficient close to 1 or close to 0, the permalloy with the face-centered cubic crystal structure has good plasticity, can be processed into a ultrathin strip with the thickness of 1 mu m and various use forms, and the anti-interference plate I2 and the permalloy plate layer in the inner cavity of the cover main body 31 surround the absolute value encoder so as to cut off or weaken a space coupling channel of an interference field, prevent the transmission of electromagnetic energy of the interference field, and realize the anti-interference effect of the anti-absolute value encoder.

Referring to fig. 1 and 2, the outer wall of the sealing rubber ring 37 is tightly attached to the outer wall of the outer casing 1, and the sealing rubber ring 37 is tightly attached to the outer wall of the outer casing 1, so that the joint of the cover body 31 and the outer casing 1 is sealed by the sealing rubber ring 37, and external dust, liquid and the like are prevented from entering the joint.

The device realizes carrying out anti-interference treatment to the absolute value encoder through the anti-interference board 2 that 1 inner chamber of shell body set up and the anti-interference board two 32 that the 31 inner chambers of lid main part set up, and the permalloy sheet layer that anti-interference board 2 and the two 32 inner chambers of anti-interference board set up adopts permalloy to often indicate iron-nickel alloy, and nickel content is in 30 ~ 90% within range. Is a very widely used soft magnetic alloy. Through a proper process, the magnetic performance can be effectively controlled, such as initial permeability exceeding 105, maximum permeability exceeding 106, coercive force as low as 2% oersted, and rectangular coefficient close to 1 or close to 0, the permalloy with the face-centered cubic crystal structure has good plasticity, can be processed into a ultrathin strip of 1 mu m and various use forms, the anti-interference plate I2 and the permalloy plate layer in the inner cavity of the cover main body 31 surround the absolute value encoder so as to cut off or weaken a space coupling channel of an interference field, prevent the transmission of electromagnetic energy of the spatial coupling channel, and realize the anti-interference effect of the anti-absolute value encoder;

through the external screw thread fit of interior screw groove 35 on the lid main part 31 inner chamber and outer shell 1 outer wall for shell body 1 and lid main part 31 are simple and convenient to install before, simultaneously, closely laminate through sealing rubber circle 37 and outer shell 1 outer wall, make and realize sealed processing to lid main part 31 and shell body 1 junction through sealing rubber circle 37, prevent that the two junction from getting into outside dust and liquid etc..

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel effectual absolute value encoder of anti-interference, includes shell body (1), its characterized in that: cavity wall gluing is provided with anti-jamming plate one (2) in shell body (1), shell body (1) right side is cup jointed and is provided with fixed lid (3), fixed lid (3) outer wall welded fastening has flange (5), the top and the bottom of flange (5) right-hand member face all are provided with clamping screw (6), shell body (1) right side is connected with connector (4), shell body (1) left end face is provided with bed plate (7), evenly run through on bed plate (7) and be provided with connecting bolt (8).

2. The novel absolute value encoder with good interference rejection according to claim 1, wherein: fixed lid (3) are including covering main part (31), lid main part (31) inner chamber is provided with anti jamming board two (32), anti jamming board two (32) lid main part (31) and anti jamming board two (32) right-hand member face central authorities all transversely run through be provided with central through-hole (33) that match with connector (4), just connector (4) pass and extend central through-hole (33) inner chamber, lid main part (31) inner chamber right side is provided with spacing ring groove (34), lid main part (31) inner wall is provided with interior screw groove (35), interior screw groove (35) left side is provided with ring groove (36), ring groove (36) inner chamber is provided with sealing rubber circle (37).

3. The novel absolute value encoder with good interference rejection according to claim 2, wherein: the right side of the outer shell (1) is inserted into the inner cavity of the left side of the cover main body (31), the longitudinal section of the outer shell (1) is circular, and the right end face of the outer shell (1) is movably inserted into the inner cavity of the limit ring groove (34).

4. The novel absolute value encoder with good interference rejection according to claim 2, wherein: the outer wall right side of the outer shell (1) is provided with an external thread matched with the inner spiral groove (35), and the outer shell (1) is movably connected with the cover main body (31) through the inner spiral groove (35).

5. The novel absolute value encoder with good interference rejection according to claim 2, wherein: and the inner cavities of the second anti-interference plate (32) and the first anti-interference plate (2) are all permalloy plate layers.

6. The novel absolute value encoder with good interference rejection according to claim 2, wherein: the outer wall of the sealing rubber ring (37) is tightly attached and connected with the outer wall of the outer shell (1).