A Small Vibration Sensor Based on RS485

Abstract

The utility model relates to a small vibration sensor based on RS485, comprising a shell, a sleeve is fitted on the surface of the shell, a slip ring is fitted on the inner wall of the shell, a first connection block is fixedly connected to the surface of the slip ring and the inner wall of the sleeve, a strip hole is opened on the surface of the shell, and the inner wall of the strip hole contacts the surface of the first connection block. The utility model relates to a small vibration sensor based on RS485, through the cooperation of the shell, the sleeve, the slip ring, the first connection block, the strip hole, the connecting column, the supporting ring and the adjusting bracket, the user can change the distance between the movable electrode and the fixed electrode by twisting the hand screw on the adjusting bracket, and the sensitivity of the small vibration sensor can be changed by changing the distance between the movable electrode and the fixed electrode, so that the sensitivity of the small vibration sensor can be adjusted as needed.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a small vibration sensor based on RS485. Background Art

[0002] RS485 communication protocol is a bus protocol used in industrial fields, which has the characteristics of high speed, low level, and multi-machine networking.

[0003] A vibration sensor is also called a vibrometer or a vibration meter. Its function is to accurately receive the mechanical vibration (displacement, velocity or acceleration) of the object being measured and convert this mechanical quantity into an electrical signal (current or voltage) to output or display.

[0004] At present, the small vibration sensor based on RS485 is mainly composed of a shell, a vibrating body, a movable electrode, a fixed electrode and a mounting plate. When the small vibration sensor is vibrated, the movable electrode is moved by the vibrating body, and the small vibration sensor sends out an electrical signal through the cooperation of the movable electrode and the fixed electrode. However, since the distance between the movable electrode and the fixed electrode is fixed, the sensitivity of the small vibration sensor cannot be adjusted as needed, resulting in a small application range of the small vibration sensor.

[0005] Therefore, there is an urgent need for a small vibration sensor based on RS485 that can directly adjust the sensitivity so that the small vibration sensor can be suitable for different usage scenarios. Utility Model Content

[0006] The utility model aims to overcome the above-mentioned shortcomings and provide a small vibration sensor based on RS485 which can directly adjust the sensitivity.

[0007] The purpose of the utility model is achieved in this way:

[0008] A small vibration sensor based on RS485 comprises a shell, a sliding sleeve is fitted on the surface of the shell, a slip ring is fitted on the inner wall of the shell, a first connecting block is fixedly connected to the surface of the slip ring and the inner wall of the sliding sleeve, a strip hole is opened on the surface of the shell, the inner wall of the strip hole contacts the surface of the first connecting block, a connecting column is fixedly connected to the bottom of the slip ring, a supporting ring is fixedly connected to the bottom of the connecting column, the surface of the supporting ring contacts the inner wall of the shell, a vibrating body is bonded to the bottom of the supporting ring, a movable electrode is bonded to the bottom of the vibrating body, a fixed electrode is fixedly connected to the inner wall of the shell, a circuit board is fixedly connected to the inner wall of the shell, a wiring terminal is fixedly connected to the upper surface of the shell, the circuit board is electrically connected to the movable electrode, the fixed electrode and the wiring terminal respectively, and an adjustment bracket is fixedly connected to the left side of the sliding sleeve and the left side of the shell.

[0009] Preferably, the vibrating body includes a column, a sphere is fixedly connected to the upper surface of the column, an elastic rubber sheet is bonded to the surface of the column and the bottom of the support ring, the bottom of the elastic rubber sheet is bonded to the upper surface of the movable electrode, and air holes are opened inside the elastic rubber sheet.

[0010] Preferably, the adjustment bracket includes a hand-tightening bolt, the surface of the hand-tightening bolt is threadedly connected to a threaded barrel, the surface of the threaded barrel and the left side of the sliding sleeve are fixedly connected to a second connecting block, the surface of the hand-tightening bolt is fixedly connected to a bearing, and the surface of the bearing and the left side of the housing are fixedly connected to a third connecting block.

[0011] Preferably, the centers of the column, the sphere and the elastic rubber sheet are all on the same vertical line.

[0012] Preferably, an iron ring is fitted on the surface of the shell, a magnetic block is fitted on the bottom of the iron ring, the left side of the magnetic block is fixedly connected to the right side of the shell, an arc groove is opened on the left side of the iron ring, a rubber ring is fitted on the inner wall of the arc groove, and the inner wall of the rubber ring contacts the surface of the hand-tightened bolt.

[0013] Preferably, a mounting plate is fixedly connected to the surface of the shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is a small vibration sensor based on RS485. Through the cooperation of a shell, a sliding sleeve, a slip ring, a first connecting block, a bar hole, a connecting column, a supporting ring and an adjusting bracket, a user can change the distance between a movable electrode and a fixed electrode by twisting a hand screw on the adjusting bracket, and change the distance between the movable electrode and the fixed electrode to change the sensitivity of the small vibration sensor, so that the sensitivity of the small vibration sensor can be adjusted as needed.

[0016] 2. The utility model is a small vibration sensor based on RS485. The rubber ring can be fixed in the arc groove through the suction force of the magnetic block on the iron ring, and the friction between the rubber ring and the iron ring can make the hand-tightened bolt difficult to rotate after being vibrated, so that the distance between the movable electrode and the fixed electrode of the small vibration sensor is not easy to change after being vibrated. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural schematic diagram of a small vibration sensor based on RS485.

[0018] Figure 2 This is a front view of a small vibration sensor based on RS485 of the utility model.

[0019] Figure 3 The utility model is a front view of a shell of a small vibration sensor based on RS485.

[0020] Figure 4 The utility model is a top view of a sliding sleeve in a small vibration sensor based on RS485.

[0021] Figure 5 The utility model is a schematic diagram of a vibrating body in a small vibration sensor based on RS485.

[0022] Figure 6 The utility model is a top view of an elastic rubber sheet in a small vibration sensor based on RS485.

[0023] Figure 7 The utility model is a schematic diagram of an adjustment bracket in a small vibration sensor based on RS485.

[0024] Figure 8 The utility model is a top view of an iron ring in a small vibration sensor based on RS485.

[0025] Among them: shell 1, sleeve 2, slip ring 3, first connecting block 4, strip hole 5, connecting column 6, support ring 7, vibrating body 8, column 81, sphere 82, elastic rubber sheet 83, air hole 84, movable electrode 9, fixed electrode 10, circuit board 11, terminal 12, adjustment bracket 13, hand screw bolt 131, threaded barrel 132, second connecting block 133, bearing 134, third connecting block 135, iron ring 14, magnetic block 15, arc groove 16, rubber ring 17, mounting plate 18. DETAILED DESCRIPTION

[0026] See also Figures 1 to 8The utility model relates to a small vibration sensor based on RS485, comprising a shell 1, a sleeve 2 is fitted on the surface of the shell 1, a slip ring 3 is fitted on the inner wall of the shell 1, a first connecting block 4 is fixedly connected to the surface of the slip ring 3 and the inner wall of the sleeve 2, a strip hole 5 is opened on the surface of the shell 1, the strip hole 5 is sealed by the sleeve 2, the inner wall of the strip hole 5 contacts the surface of the first connecting block 4, a connecting column 6 is fixedly connected to the bottom of the slip ring 3, a supporting ring 7 is fixedly connected to the bottom of the connecting column 6, and the surface of the supporting ring 7 contacts the inner wall of the shell 1. A vibrating body 8 is bonded to the bottom of the support ring 7. Through the cooperation of the first connecting block 4, the slip ring 3, the connecting column 6 and the support ring 7, the vibrating body 8 can move with the sliding sleeve 2. A movable electrode 9 is bonded to the bottom of the vibrating body 8. A fixed electrode 10 is fixedly connected to the inner wall of the shell 1. A circuit board 11 is fixedly connected to the inner wall of the shell 1. A wiring terminal 12 is fixedly connected to the upper surface of the shell 1. The circuit board 11 is electrically connected to the movable electrode 9, the fixed electrode 10 and the wiring terminal 12 respectively. An adjusting bracket 13 is fixedly connected to the left side of the sliding sleeve 2 and the left side of the shell 1.

[0027] Furthermore, the vibrating body 8 includes a column 81, the upper surface of which is fixedly connected to a sphere 82, the surface of the column 81 and the bottom of the support ring 7 are both bonded with an elastic rubber sheet 83, the bottom of the elastic rubber sheet 83 is bonded to the upper surface of the movable electrode 9, and when the small vibration sensor is vibrated, the movable electrode 9 is brought into contact with the fixed electrode 10 through the cooperation of the column 81, the sphere 82 and the elastic rubber sheet 83, and an air hole 84 is opened inside the elastic rubber sheet 83.

[0028] Furthermore, the adjusting bracket 13 includes a hand-tightening bolt 131, the surface of the hand-tightening bolt 131 is threadedly connected with a threaded barrel 132, the surface of the threaded barrel 132 and the left side of the sliding sleeve 2 are fixedly connected with a second connecting block 133, the surface of the hand-tightening bolt 131 is fixedly connected with a bearing 134, the surface of the bearing 134 and the left side of the housing 1 are fixedly connected with a third connecting block 135, when the hand-tightening bolt 131 rotates, the sliding sleeve 2 moves upward or downward through the cooperation of the hand-tightening bolt 131 and the threaded barrel 132.

[0029] Furthermore, the centers of the pillar 81 , the sphere 82 and the elastic rubber sheet 83 are all on the same vertical line.

[0030] Furthermore, an iron ring 14 is fitted on the surface of the shell 1, and a magnetic block 15 is fitted on the bottom of the iron ring 14. The left side of the magnetic block 15 is fixedly connected to the right side of the shell 1. An arc groove 16 is opened on the left side of the iron ring, and a rubber ring 17 is fitted on the inner wall of the arc groove 16. The inner wall of the rubber ring 17 contacts the surface of the hand-tightening bolt 131. The rubber ring 17 can be fixed in the arc groove 16 through the suction force of the magnetic block 15 on the iron ring 14, and the friction between the rubber ring 17 and the iron ring 14 can make the hand-tightening bolt 131 difficult to rotate after being vibrated, so that the distance between the movable electrode 9 and the fixed electrode 10 of the small vibration sensor is not easy to change after being vibrated.

[0031] Furthermore, a mounting plate 18 is fixedly connected to the surface of the housing 1 , and the small vibration sensor can be fixed on the mounting frame through the cooperation of the fixing bolts and the mounting plate 18 .

[0032] The working principle of the small vibration sensor based on RS485 of the utility model is as follows: first, the small vibration sensor is fixed on the mounting frame through the cooperation of the fixing bolt and the mounting plate 18; when the small vibration sensor is vibrated, the movable electrode 9 is contacted with the fixed electrode 10 through the cooperation of the upright column 81, the sphere 82 and the elastic rubber sheet 83; and the small vibration sensor sends out an electrical signal through the cooperation of the movable electrode 9, the fixed electrode 10, the circuit board 11 and the wiring terminal 12; when the user needs to adjust the sensitivity of the small vibration sensor, the sliding sleeve 2 is moved upward or downward under the cooperation of the hand screw bolt 131 and the threaded cylinder 132 by rotating the hand screw bolt 131; and the distance between the movable electrode 9 and the fixed electrode 10 is changed through the cooperation of the sliding sleeve 2, the first connecting block 4, the slip ring 3, the connecting column 6 and the supporting ring 7; at this time, the sensitivity of the small vibration sensor can be changed by changing the distance between the movable electrode 9 and the fixed electrode 10.

[0033] In addition: It should be noted that the above specific implementation is only an optimization scheme of this patent. Any changes or improvements made by technicians in this field based on the above concept are within the scope of protection of this patent.

Claims

1. A small vibration sensor based on RS485, comprising a housing (1), characterized in that: The surface of the housing (1) is fitted with a sliding sleeve (2), the inner wall of the housing (1) is fitted with a sliding ring (3), the surface of the sliding ring (3) and the inner wall of the sliding sleeve (2) are both fixedly connected with a first connecting block (4), the surface of the housing (1) is provided with a strip hole (5), the inner wall of the strip hole (5) is in contact with the surface of the first connecting block (4), the bottom of the sliding ring (3) is fixedly connected with a connecting column (6), the bottom of the connecting column (6) is fixedly connected with a supporting ring (7), the surface of the supporting ring (7) is in contact with the inner wall of the housing (1), A vibrating body (8) is bonded to the bottom of the support ring (7), a movable electrode (9) is bonded to the bottom of the vibrating body (8), a fixed electrode (10) is fixedly connected to the inner wall of the shell (1), a circuit board (11) is fixedly connected to the inner wall of the shell (1), a wiring terminal (12) is fixedly connected to the upper surface of the shell (1), the circuit board (11) is electrically connected to the movable electrode (9), the fixed electrode (10) and the wiring terminal (12) respectively, and an adjustment bracket (13) is fixedly connected to the left side of the sliding sleeve (2) and the left side of the shell (1).

2. A small vibration sensor based on RS485 according to claim 1, characterized in that: The vibrating body (8) comprises a column (81), the upper surface of which is fixedly connected to a sphere (82), the surface of the column (81) and the bottom of the support ring (7) are both bonded with an elastic rubber sheet (83), the bottom of the elastic rubber sheet (83) is bonded to the upper surface of the movable electrode (9), and an air hole (84) is provided inside the elastic rubber sheet (83).

3. A small vibration sensor based on RS485 according to claim 1, characterized in that: The adjusting bracket (13) comprises a hand-tightening bolt (131), the surface of the hand-tightening bolt (131) being threadedly connected to a threaded barrel (132), the surface of the threaded barrel (132) and the left side of the sliding sleeve (2) being fixedly connected to a second connecting block (133), the surface of the hand-tightening bolt (131) being fixedly connected to a bearing (134), and the surface of the bearing (134) and the left side of the housing (1) being fixedly connected to a third connecting block (135).

4. A small vibration sensor based on RS485 according to claim 2, characterized in that: The centers of the upright post (81), the sphere (82) and the elastic rubber sheet (83) are all on the same vertical line.

5. A small vibration sensor based on RS485 according to claim 3, characterized in that: An iron ring (14) is fitted on the surface of the shell (1), a magnetic block (15) is fitted on the bottom of the iron ring (14), the left side of the magnetic block (15) is fixedly connected to the right side of the shell (1), an arc-shaped groove (16) is provided on the left side of the iron ring (14), a rubber ring (17) is fitted on the inner wall of the arc-shaped groove (16), and the inner wall of the rubber ring (17) is in contact with the surface of the hand-tightening bolt (131).

6. A small vibration sensor based on RS485 according to claim 1, characterized in that: A mounting plate (18) is fixedly connected to the surface of the housing (1).

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