CN217560747U

CN217560747U - Vibration rod switch for detecting material position

Info

Publication number: CN217560747U
Application number: CN202220090348.4U
Authority: CN
Inventors: 时彦彬
Original assignee: Feide Qingdao Electronic Co ltd
Current assignee: Feide Qingdao Electronic Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-10-11
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to a material level detection area just discloses a rod switch shakes of detection material position, and the effectual current check out test set detectivity that has solved is lower at present to make the problem that there is the error in detection structure, including casing and piezoelectric device, the connecting block is installed to the bottom of casing, and the display is installed in the front of casing, and adjust knob is installed to one side of casing, and the internally mounted of casing has the material level determine module, and the material level determine module includes that the symmetry is seted up in the inside groove of casing, has seted up the middle part mounting groove between two inside grooves, the utility model discloses, through the resonance condition of destroying interior vibrating tube and outer vibrating tube for piezoelectric device's amplitude obviously reduces, thereby makes piezoelectric device output signal amplitude also reduce thereupon, and signal variation is detected the analysis and is exported a switching signal by intelligent circuit, thereby detects out the material level height, improves detectivity then.

Description

Vibration rod switch for detecting material position

Technical Field

The utility model belongs to material level detection area specifically is a detect excellent switch that shakes of material position.

Background

The vibrating rod material level switch is one kind of switch type sensor for detecting the material level of particle and powder. Vibrating rod level switches are suitable for measuring the level of particulate solids, for example: measurement of materials such as PVC, sodium hydroxide, lime, cement, sand, soil, coal, dust, flour, sugar, salt, grain, bean, etc.

When current material level check out test set detected the material level, detectivity was lower to make detection structure have the error.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a detect excellent switch that shakes of material position, the effectual current check out test set detectivity that has solved is lower to make the problem that detects the structure and have the error.

In order to achieve the above object, the utility model provides a following technical scheme: a vibrating bar switch for detecting the position of a material comprises a shell and a piezoelectric device, wherein a connecting block is installed at the bottom end of the shell, a display is installed on the front face of the shell, an adjusting knob is installed on one side of the shell, and a material level detection assembly is installed inside the shell;

the inside groove of casing is seted up including the symmetry to the material level determine module, the middle part mounting groove has been seted up between two inside grooves, the both ends of middle part mounting groove are run through respectively to two inside inslots, the institute's inside inslot internally mounted of top has interior vibrating tube, the top spring is installed on the top of interior vibrating tube, the interior roof fixed connection in top spring and inside groove, the inside inslot internally mounted of below has outer vibrating tube, the bottom spring is installed to the bottom of outer vibrating tube, the bottom of bottom spring and the interior diapire fixed connection in inside groove, piezoelectric device installs in the inside of middle part mounting groove, piezoelectric device's both ends contact with interior vibrating tube and outer vibrating tube respectively, piezoelectric device is used for realizing the drive and the detection of vibration, the intercommunication groove has been seted up to the bottom in the inside groove of below, the intercommunication groove runs through to the bottom of connecting block, the inside in intercommunication groove is pegged graft and has the inserted bar, the stick that shakes is installed to the bottom of inserted bar.

Preferably, the top end of inserted bar installs the screw rod, screw rod threaded connection in the inside of bottom thread groove, and the bottom thread groove is seted up in the bottom of outer vibration pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) When the vibrating bar is contacted with a material to be detected, the resonant frequency of the vibrating bar contacted with the material is changed, so that the resonance condition of the inner vibrating tube and the outer vibrating tube is destroyed, the amplitude of the piezoelectric device is obviously reduced, the amplitude of an output signal of the piezoelectric device is reduced, the signal change is detected and analyzed by the intelligent circuit and a switching signal is output, the material level height is detected, and the detection sensitivity is improved;

(2) The utility model discloses a, pass through screw rod and outer vibration pipe threaded connection through the stick that shakes to can directly unscrew and install new stick that shakes behind the stick that shakes, thereby improve change speed, thereby improve easy maintenance nature.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the structure of the level detecting assembly of the present invention;

FIG. 3 is a schematic view of the structure of the housing of the present invention;

FIG. 4 is a schematic view of the vibrating rod of the present invention;

in the figure: 1. a housing; 2. connecting blocks; 3. a display; 4. adjusting a knob; 5. a material level detection assembly; 501. A middle mounting groove; 502. a piezoelectric device; 503. an inner groove; 504. an inner vibrating tube; 505. a top spring; 506. an outer vibrating tube; 507. a bottom spring; 508. a communicating groove; 509. a bottom screw groove; 510. inserting a rod; 511. a screw; 512. and (5) vibrating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1-4, the present invention includes a casing 1 and a piezoelectric device 502, a connecting block 2 is installed at the bottom end of the casing 1, a display 3 is installed on the front surface of the casing 1, an adjusting knob 4 is installed on one side of the casing 1, and a material level detecting assembly 5 is installed inside the casing 1.

Second embodiment, on the basis of the first embodiment, the material level detecting assembly 5 includes two inner grooves 503 symmetrically arranged inside the housing 1, a middle mounting groove 501 is arranged between the two inner grooves 503, two ends of the middle mounting groove 501 respectively penetrate into the two inner grooves 503, an inner vibrating tube 504 is arranged inside the upper inner groove 503, a top spring 505 is arranged at the top end of the inner vibrating tube 504, the top spring 505 is fixedly connected with the inner top wall of the inner groove 503, an outer vibrating tube 506 is arranged inside the lower inner groove 503, a bottom spring 507 is arranged at the bottom end of the outer vibrating tube 506, the bottom end of the bottom spring 507 is fixedly connected with the inner bottom wall of the inner groove 503, a piezoelectric device 502 is arranged inside the middle mounting groove 501, two ends of the piezoelectric device 502 respectively contact with the inner vibrating tube 504 and the outer vibrating tube 506, and the piezoelectric device 502 is used for driving and detecting vibration;

the piezoelectric device 502 vibrates the inner vibrating tube 504 and the outer vibrating tube 506, the adjusting knob 4 is adjusted to enable the piezoelectric device 502 to have the same vibration frequency of the inner vibrating tube 504 and the outer vibrating tube 506, so that the vibration frequency of the inner vibrating tube 504 and the vibration frequency of the outer vibrating tube 506 are the same at the moment, the inner vibrating tube 504 and the outer vibrating tube 506 resonate under the completely consistent resonance frequency, the vibrating rod 512 is in threaded connection with the outer vibrating tube 506, so that the resonance frequency of the inner vibrating tube 504 is the same as that of the vibrating rod 512, when the vibrating rod 512 contacts with a material to be tested, the resonance frequency of the vibrating rod 512 contacting with the material changes, so that the resonance conditions of the inner vibrating tube 504 and the outer vibrating tube 506 are destroyed, the amplitude of the piezoelectric device 502 is obviously reduced, the amplitude of a signal output by the piezoelectric device 502 is reduced accordingly, the signal change is detected and analyzed by an intelligent circuit, a switching signal is output, so that the material level height is detected, and the detection sensitivity is improved.

In the third embodiment, on the basis of the first embodiment, the bottom end of the lower internal groove 503 is provided with a communicating groove 508, the communicating groove 508 penetrates through the bottom end of the connecting block 2, an inserting rod 510 is inserted into the communicating groove 508, the bottom end of the inserting rod 510 is provided with a vibrating rod 512, the top end of the inserting rod 510 is provided with a screw 511, the screw 511 is in threaded connection with the inside of a bottom screw groove 509, and the bottom screw groove 509 is arranged at the bottom end of the outer vibrating tube 506;

when the vibrating rod 512 needs to be replaced, the vibrating rod 512 is in threaded connection with the outer vibrating tube 506 through the screw 511, so that a new vibrating rod 512 can be installed after the vibrating rod 512 is directly unscrewed, the replacement speed is increased, and the maintenance convenience is improved.

The working principle is as follows: when the device is used, the device is turned on, so that the piezoelectric device 502 vibrates the inner vibrating tube 504 and the outer vibrating tube 506, the adjusting knob 4 is adjusted, the vibration frequency of the piezoelectric device 502 on the inner vibrating tube 504 and the outer vibrating tube 506 is the same, the vibration frequency of the inner vibrating tube 504 and the vibration frequency of the outer vibrating tube 506 are the same at the moment, the inner vibrating tube 504 and the outer vibrating tube 506 resonate at the completely same resonance frequency, the vibrating rod 512 is in threaded connection with the outer vibrating tube 506, the resonance frequency of the inner vibrating tube 504 and the vibrating rod 512 are the same, when the vibrating rod 512 contacts with a material to be detected, the resonance frequency of the vibrating rod 512 contacting the material is changed, the resonance condition of the inner vibrating tube 504 and the resonance condition of the outer vibrating tube 506 are damaged, the amplitude of the piezoelectric device 502 is obviously reduced, the amplitude of a signal output by the piezoelectric device 502 is reduced, the signal change is detected and analyzed by the intelligent circuit, a switching signal is output, the material level height is detected, and the detection sensitivity is improved;

when the vibration rod 512 collides with the charging barrel during vibration, the vibration rod 512 is easily damaged, and when the vibration rod 512 needs to be replaced, the vibration rod 512 is in threaded connection with the outer vibration pipe 506 through the screw 511, so that a new vibration rod 512 can be installed after the vibration rod 512 is directly screwed down, the replacement speed is increased, and the maintenance convenience is improved.

Claims

1. A vibrating rod switch for detecting the position of a material comprises a shell (1) and a piezoelectric device (502), and is characterized in that: the material level detection device is characterized in that a connecting block (2) is installed at the bottom end of the casing (1), a display (3) is installed on the front face of the casing (1), an adjusting knob (4) is installed on one side of the casing (1), and a material level detection assembly (5) is installed inside the casing (1);

material level detection subassembly (5) including the symmetry set up in inside groove (503) of casing (1), middle part mounting groove (501) have been seted up between two inside grooves (503), the both ends of middle part mounting groove (501) run through respectively to inside two inside grooves (503), inside groove (503) internally mounted of top has interior vibrating tube (504), top spring (505) are installed to the top of interior vibrating tube (504), top spring (505) and the interior roof fixed connection of inside groove (503), inside groove (503) internally mounted of below has outer vibrating tube (506), bottom spring (507) is installed to the bottom of outer vibrating tube (506), the bottom of bottom spring (507) and the interior diapire fixed connection of inside groove (503), install in the inside of middle part mounting groove (501) piezoelectric device (502), the both ends of piezoelectric device (502) contact with interior vibrating tube (504) and outer vibrating tube (506) respectively, piezoelectric device (502) are used for realizing the drive and the detection of vibration, vibration groove (503)'s of below bottom has seted up vibration groove (508), vibration groove (508) runs through vibration rod (508) to the bottom of connecting block (508) (510) 2), inserted bar (512) bottom of connecting block (510) is installed.

2. A vibrating rod switch for detecting the position of a material as claimed in claim 1, wherein: screw rod (511) are installed to the top of inserted bar (510), and screw rod (511) threaded connection is in the inside of bottom thread groove (509), and bottom thread groove (509) are seted up in the bottom of outer vibration pipe (506).