CN210222050U - Double-channel rotating speed sensor - Google Patents
Double-channel rotating speed sensor Download PDFInfo
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- CN210222050U CN210222050U CN201921198500.5U CN201921198500U CN210222050U CN 210222050 U CN210222050 U CN 210222050U CN 201921198500 U CN201921198500 U CN 201921198500U CN 210222050 U CN210222050 U CN 210222050U
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- circuit board
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Abstract
A dual channel speed sensor. It includes the shell, be equipped with circuit board and response piece in the shell, the shell inner wall vertically is equipped with the draw-in groove, the mounting is established to the cover on the circuit board, mounting circumference is equipped with the arch, protruding with the spacing cooperation of draw-in groove. The utility model discloses set up the mounting on the circuit board, it has the draw-in groove to open at the inner wall of shell, through the spacing cooperation of mounting with the draw-in groove, makes circuit board rigidity more firm, improves the stability in the detection.
Description
Technical Field
The utility model relates to a sensor field, in particular to binary channels revolution speed sensor.
Background
The proximity switch is also called contactless proximity switch, and is an ideal electronic switching value sensor. When the metal detection body approaches to the induction area of the switch, the switch can send out an electric command rapidly without contact, pressure and spark, and accurately reflect the position and the stroke of the motion mechanism. It is widely used in machine tool, metallurgy, chemical industry, light textile and printing industries. The automatic control system can be used as the links of limiting, counting, positioning control, automatic protection and the like.
The existing proximity switch generally comprises a shell, wherein an induction component and a main circuit board are arranged in the shell, the induction component is connected with the main circuit board through a lead of a coil, and the circuit board is assembled in the shell in a welding mode, so that the processing difficulty is high; and a simple plug-in mode is adopted, so that shaking and the like are easily generated, and the detection deviation is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem in the background art, the utility model provides a simple and high binary channels revolution speed transducer of stability of assembly.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a binary channels revolution speed transducer, includes the shell, the inner chamber of shell is equipped with circuit board and response piece, the shell inner wall vertically is equipped with the draw-in groove, the mounting is established to the cover on the circuit board, mounting circumference is equipped with the arch, protruding with the spacing cooperation of draw-in groove.
The clamping grooves comprise a first clamping groove and a second clamping groove, the first clamping groove and the second clamping groove are symmetrically arranged, and the protrusions correspond to the clamping grooves in number.
The induction part is provided with an arch-shaped groove, and the end part of the circuit board is provided with a bayonet matched with the arch-shaped groove.
The side wall of the induction part is provided with a connecting groove, and an element at the head of the induction part is connected with the circuit board through the connecting groove.
The size of the fixing piece is matched with the size of the inner cavity of the shell.
The utility model has the advantages that: the utility model discloses set up the mounting on the circuit board, it has the draw-in groove to open at the inner wall of shell, through the spacing cooperation of mounting with the draw-in groove, makes circuit board rigidity more firm, improves the stability in the detection.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a top view of a housing according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a fixing member according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a circuit board structure according to an embodiment of the present invention.
Fig. 5 and 6 are schematic external structural diagrams of the sensing element according to the embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
the embodiment of the utility model provides an in, a binary channels revolution speed sensor, including shell 1, the inner chamber of shell 1 is equipped with circuit board 2 and response piece 3, 1 inner wall of shell vertically is equipped with draw-in groove 4, mounting 5 is established to the cover on circuit board 2, mounting 5's size with the big or small adaptation of 1 inner chamber of shell, 5 circumference of mounting is equipped with arch 6, arch 6 with the spacing cooperation of draw-in groove 4.
During the assembly, 5 covers of mounting are established on circuit board 2, then aim at draw-in groove 4 of 1 inner wall of shell with protruding 6 on the mounting 5, along draw-in groove 4 with the circuit board inject the casing in, when rotational speed sensor during operation, through protruding 6 and draw-in groove 4's spacing cooperation, make the circuit board position more firm, can not take place to remove for the testing result is more accurate.
Preferably, the clamping grooves 4 include a first clamping groove 401 and a second clamping groove 402, the two clamping grooves enable the fixing effect to be better, the first clamping groove 401 and the second clamping groove 402 are symmetrically arranged, the processing is more convenient, and the protrusions 6 correspond to the clamping grooves 4 in number.
The induction part 3 is internally provided with a magnet for electromagnetic induction, the shell of the induction part is provided with an arch-shaped groove 7, the end part of the circuit board 2 is provided with a bayonet 8 matched with the arch-shaped groove 7, and the arch-shaped groove 7 is used for further limiting the circuit board 2, so that the position of the circuit board 2 is more stable.
The side wall of the sensing part 3 is provided with a connecting groove 9, the head part of the sensing part 3 is generally fixed with elements such as a detection chip, and connecting wires of the elements are connected with the circuit board 2 through the connecting groove 9, so that the volume can be saved.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.
Claims (5)
1. The utility model provides a binary channels revolution speed sensor, includes shell (1), the inner chamber of shell (1) is equipped with circuit board (2) and response piece (3), its characterized in that: the utility model discloses a circuit board, including shell (1), circuit board (2), mounting (5) are established to the cover on the shell, the inner wall of shell (1) vertically is equipped with draw-in groove (4), mounting (5) circumference is equipped with arch (6), arch (6) with draw-in groove (4) spacing cooperation.
2. The dual channel tachometer sensor of claim 1, wherein: the clamping grooves (4) comprise first clamping grooves (401) and second clamping grooves (402), the first clamping grooves (401) and the second clamping grooves (402) are symmetrically arranged, and the protrusions (6) correspond to the clamping grooves (4) in number.
3. The dual channel tachometer sensor of claim 1, wherein: an arch-shaped groove (7) is formed in the induction part (3), and a bayonet (8) matched with the arch-shaped groove (7) is arranged at the end of the circuit board (2).
4. The dual channel tachometer sensor of claim 1, wherein: the side wall of the induction part (3) is provided with a connecting groove (9), and an element at the head of the induction part (3) is connected with the circuit board (2) through the connecting groove (9).
5. The dual channel tachometer sensor of claim 1, wherein: the size of the fixing piece (5) is matched with the size of the inner cavity of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198500.5U CN210222050U (en) | 2019-07-29 | 2019-07-29 | Double-channel rotating speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198500.5U CN210222050U (en) | 2019-07-29 | 2019-07-29 | Double-channel rotating speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210222050U true CN210222050U (en) | 2020-03-31 |
Family
ID=69918832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198500.5U Active CN210222050U (en) | 2019-07-29 | 2019-07-29 | Double-channel rotating speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210222050U (en) |
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2019
- 2019-07-29 CN CN201921198500.5U patent/CN210222050U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |