CN115479640A

CN115479640A - Electromagnetic flowmeter with alarm function

Info

Publication number: CN115479640A
Application number: CN202211179734.1A
Authority: CN
Inventors: 夏前明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-16

Abstract

The invention discloses an electromagnetic flowmeter with an alarm function, which comprises a flowmeter body and a display screen, wherein the upper end of the flowmeter body is fixedly connected with a sleeve, the upper end of the flowmeter body is provided with a temperature sensor, the flowmeter body is internally provided with a first cleaning mechanism for cleaning the side wall of the sleeve, the first cleaning mechanism comprises a protective cover which is arranged on the side wall of the flowmeter body through a bolt, the bottom in the protective cover is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating shaft, and the upper end of a circular disc is fixedly connected with a connecting plate. According to the invention, through arranging the rotating shaft, the disc, the connecting plate, the scraper and other structures, impurities attached to the pipeline at the joint can be actively removed, the influence on the measurement result of the flowmeter is avoided, and the measurement precision of the flowmeter is improved.

Description

Electromagnetic flowmeter with alarm function

Technical Field

The invention relates to the technical field of electromagnetic flowmeter production, in particular to an electromagnetic flowmeter with an alarm function.

Background

The electromagnetic flowmeter is a novel flow measuring instrument which is rapidly developed along with the development of electronic technology in the twentieth century, and the electromagnetic flowmeter is an instrument which measures the flow of a conductive fluid according to the electromotive force induced when the conductive fluid passes through an external magnetic field by applying the electromagnetic induction principle.

In the use of electromagnetic flowmeter, need measure and calculate the rivers of process in the connecting tube, because often there are some impurity in the rivers, and current electromagnetic flowmeter lacks the subassembly of initiative to the pipeline clearance, therefore these impurity often can be attached to on the pipeline lateral wall that electromagnetic flowmeter and rivers are connected, if not clean it, can cause the influence to electromagnetic flowmeter measurement result, and the display screen of electromagnetic flowmeter can expose outside when using, lead to piling up of dust can appear in the surface of display screen, accumulational dust can cause the display screen to appear fuzzy, influence the use of display screen.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an electromagnetic flowmeter with an alarm function, which can actively remove impurities attached to a pipeline at a joint by arranging structures such as a rotating shaft, a disc, a connecting plate, a scraper and the like, so that the influence on the measurement result of the flowmeter is avoided, and the measurement precision of the flowmeter is improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an electromagnetic flowmeter with alarm function, includes flowmeter body and display screen, the upper end fixedly connected with sleeve pipe of flowmeter body, the upper end of flowmeter body is equipped with the temperature-sensing ware, this internal first clearance mechanism that is used for clearing up the sleeve pipe lateral wall that is equipped with of flowmeter, first clearance mechanism includes the protection casing of installing on flowmeter body lateral wall through the bolt, bottom fixedly connected with motor in the protection casing, the output shaft fixedly connected with axis of rotation of motor, disc upper end fixedly connected with links up the board, the lateral wall fixedly connected with scraper blade of linking up the board, be equipped with the second clearance mechanism that is used for clearing up the display screen on the flowmeter body.

Preferably, second clearance mechanism includes the backup pad of fixed connection at flowmeter body lateral wall, the upper end of backup pad is equipped with reciprocal lead screw, the outer wall cover of reciprocal lead screw is equipped with the lead screw cover, the upper end fixedly connected with mounting panel of backup pad, be equipped with the cleaning roller between lead screw cover and the mounting panel relative lateral wall.

Preferably, a gear is sleeved on an output shaft on one side of the cleaning roller, a rotating mechanism which rotates in a matched manner with the gear is arranged on the mounting plate, the rotating mechanism comprises a rack arranged on the mounting plate, the rack is meshed with the gear, and the reciprocating lead screw is connected with the rotating shaft through a transmission mechanism.

Preferably, drive mechanism is including the belt pulley of fixed connection respectively at axis of rotation and reciprocal lead screw lateral wall, two be equipped with driving belt between the belt pulley, be equipped with in the backup pad and remove spacing stop gear of in-process to the lead screw cover.

Preferably, stop gear includes the gag lever post of fixed connection in backup pad upper end, the lateral wall of sliding connection gag lever post is run through to the lead screw cover.

Preferably, the lateral wall of protection casing has seted up the louvre, louvre department is equipped with the filter screen, be equipped with the protection pad between protection casing and the motor, the protection pad is the rubber material.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up axis of rotation, disc, linkage plate and scraper blade isotructure, thereby drive the axis of rotation through the motor and rotate and drive the disc and rotate, drive linkage plate and scraper blade and surround display screen and flowmeter body junction pipeline rotation when the pivoted to clear away the adnexed impurity of junction pipeline, avoid causing the influence to flowmeter measuring result.

2. Through setting up reciprocal lead screw, lead screw cover, mounting panel, gear and cleaning roller isotructure, realize reciprocal lead screw through motor and belt pulley and rotate to the cooperation lead screw cover realizes reciprocating in the spacing drive cleaning roller of gag lever post, reaches the purpose of automatic clearance display screen, not only can improve the practicality of device, can also improve driving motor's utilization ratio, and the cleaning roller rolls simultaneously and can also improve the clean effect of display screen.

Drawings

Fig. 1 is a schematic front view of an electromagnetic flowmeter with an alarm function according to the present invention;

fig. 2 is a schematic diagram of a back side structure of an electromagnetic flowmeter with an alarm function according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic structural diagram of a mounting plate of an electromagnetic flowmeter having an alarm function according to the present invention.

In the figure: the device comprises a flowmeter body 1, a display screen 2, a sleeve 3, a temperature sensor 4, a motor 5, a protective cover 6, a belt pulley 7, a support plate 8, a reciprocating screw rod 9, a screw rod sleeve 10, a mounting plate 11, a gear 12, a cleaning roller 13, a limiting rod 14, a rotating shaft 15, a disc 16, a connecting plate 17 and a scraper 18.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Referring to fig. 1-4, an electromagnetic flowmeter with alarm function, including flowmeter body 1 and display screen 2, the upper end fixedly connected with sleeve pipe 3 of flowmeter body 1, the upper end of flowmeter body 1 is equipped with temperature-sensing ware 4, be equipped with the alarm on temperature-sensing ware 4, can monitor the interior liquid temperature of pipeline, when the liquid temperature surpasss temperature-sensing ware 4 when setting for the threshold value when too high, the alarm reports to the police, thereby realize the automatic alarm function, be equipped with the first clearance mechanism that is used for clearing up sleeve pipe 3 lateral wall in flowmeter body 1, the first clearance mechanism includes the protection casing 6 of installing on flowmeter body 1 lateral wall through the bolt, bottom fixedly connected with motor 5 in protection casing 6, the lateral wall of protection casing 6 has seted up the louvre, the louvre is equipped with the filter screen in the louvre, be equipped with the protection pad between protection casing 6 and the motor 5, the protection pad is the rubber material, motor 5's output shaft fixedly connected with 15, disc 16 upper end fixedly connected with joint board 17, the lateral wall fixedly connected with scraper blade 18 of joint board 17, set up the protection pad can protect when motor 5 uses, the louvre can dispel the heat when using motor 5, improve the life of motor 5, scraper blade 18 can realize the clean effect to the sleeve pipe 3 outer wall.

Be equipped with the second clearance mechanism that is used for clearing up display screen 2 on flowmeter body 1, second clearance mechanism includes fixed connection in the backup pad 8 of flowmeter body 1 lateral wall, and the upper end of backup pad 8 is equipped with reciprocal lead screw 9, and the outer wall cover of reciprocal lead screw 9 is equipped with screw housing 10, and the upper end fixedly connected with mounting panel 11 of backup pad 8 is equipped with cleaning roller 13 between the relative lateral wall of screw housing 10 and mounting panel 11.

The gear 12 is sleeved on an output shaft on one side of the cleaning roller 13, the mounting plate 11 is provided with a rotating mechanism which is matched and rotated with the gear 12, the rotating mechanism comprises a rack arranged on the mounting plate 11, the rack is meshed with the gear 12, and the rolling of the cleaning roller 13 can be realized by means of the rack and the gear 12, so that the effect of cleaning the display screen 2 is achieved.

Reciprocating screw 9 passes through drive mechanism and is connected with axis of rotation 15, and drive mechanism includes belt pulley 7 of difference fixed connection at axis of rotation 15 and reciprocating screw 9 lateral wall, is equipped with driving belt between two belt pulleys 7, and when can making axis of rotation 15 rotate through belt pulley 7 and driving belt effect, belt pulley 7 can drive reciprocating screw 9 and rotate, improves the utilization ratio of motor 5.

Be equipped with in the backup pad 8 and remove spacing stop gear in-process to lead screw cover 10, stop gear includes the gag lever post 14 of fixed connection in backup pad 8 upper end, and lead screw cover 10 runs through the lateral wall of sliding connection gag lever post 14, carries on spacingly to lead screw cover 10 with the help of gag lever post 14, makes lead screw cover 10 can only realize reciprocating along with reciprocal lead screw 9 and reciprocates.

When the invention is used, as shown in fig. 1-4, when the flowmeter body 1 needs to remove impurities attached to a pipeline on the sleeve 3 at the joint between the display screen 2 and the flowmeter body 1 in the use process, the driving motor 5 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the disc 16 to rotate while rotating, and then the disc 16 drives the scraper 18 to rotate around the side wall of the pipeline through the connecting plate 17 so as to clean the side wall of the pipeline, thereby avoiding the impurities at the pipeline from affecting the measuring result of the flowmeter;

when the rotating shaft 15 rotates, the reciprocating screw rod 9 is driven to rotate through the belt pulley 7 and the transmission belt, the screw rod sleeve 10 can only reciprocate along with the reciprocating screw rod 9 under the limiting of the limiting rod 14 during rotation, and the cleaning roller 13 can be driven to move on the outer wall of the display screen 2 when the screw rod sleeve 10 reciprocates, so that the aim of automatically cleaning the display screen 2 is fulfilled, the practicability of the device can be improved, and the utilization rate of the motor 5 can be improved;

reciprocate the in-process at cleaning roller 13, gear 12 on the cleaning roller 13 output shaft can with the rack toothing on the mounting panel 11, can drive cleaning roller 13 then and rotate to clean the dust of 2 outer walls of display screen through the rolling mode of cleaning roller 13, make the clearance effect of display screen 2 better (cleaning roller 13 is in reciprocal lead screw 9 below during initial condition, thereby can not influence the use of display screen 2).

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an electromagnetic flowmeter with alarm function, includes flowmeter body (1) and display screen (2), its characterized in that, the upper end fixedly connected with sleeve pipe (3) of flowmeter body (1), the upper end of flowmeter body (1) is equipped with temperature-sensing ware (4), be equipped with the first clearance mechanism that is used for clearing up sleeve pipe (3) lateral wall in flowmeter body (1), first clearance mechanism includes protection casing (6) of installing on flowmeter body (1) lateral wall through the bolt, bottom fixedly connected with motor (5) in protection casing (6), the output shaft fixedly connected with axis of rotation (15) of motor (5), disc (16) upper end fixedly connected with link plate (17), the lateral wall fixedly connected with scraper blade (18) of link plate (17), be equipped with the second clearance mechanism that is used for clearing up display screen (2) on flowmeter body (1).

2. The electromagnetic flowmeter with the alarm function according to claim 1, wherein the second cleaning mechanism comprises a support plate (8) fixedly connected to the side wall of the flowmeter body (1), a reciprocating lead screw (9) is arranged at the upper end of the support plate (8), a lead screw sleeve (10) is sleeved on the outer wall of the reciprocating lead screw (9), a mounting plate (11) is fixedly connected to the upper end of the support plate (8), and a cleaning roller (13) is arranged between the lead screw sleeve (10) and the opposite side wall of the mounting plate (11).

3. The electromagnetic flowmeter with the alarm function according to claim 2, wherein a gear (12) is sleeved on an output shaft on one side of the cleaning roller (13), a rotating mechanism which rotates in cooperation with the gear (12) is arranged on the mounting plate (11), the rotating mechanism comprises a rack arranged on the mounting plate (11), the rack is meshed with the gear (12), and the reciprocating lead screw (9) is connected with the rotating shaft (15) through a transmission mechanism.

4. The electromagnetic flowmeter with the alarm function as claimed in claim 3, wherein the transmission mechanism comprises belt pulleys (7) fixedly connected to the rotating shaft (15) and the side wall of the reciprocating screw (9), respectively, a transmission belt is arranged between the two belt pulleys (7), and a limiting mechanism for limiting the movement of the screw sleeve (10) is arranged on the support plate (8).

5. The electromagnetic flowmeter with the alarm function as claimed in claim 4, wherein the limiting mechanism comprises a limiting rod (14) fixedly connected to the upper end of the support plate (8), and the lead screw sleeve (10) penetrates through the side wall of the limiting rod (14) in sliding connection.

6. The electromagnetic flowmeter with the alarm function according to claim 5, wherein the side wall of the shield (6) is provided with heat dissipation holes, a filter screen is arranged at the heat dissipation holes, and a protection pad is arranged between the shield (6) and the motor (5), and is made of rubber.