CN211696524U

CN211696524U - Target type flowmeter with target rod for preventing blockage

Info

Publication number: CN211696524U
Application number: CN202020551397.4U
Authority: CN
Inventors: 王忠臣; 王威然; 王伟
Original assignee: Youbisheng Intelligent Technology Xi'an Co ltd
Current assignee: Youbisheng Intelligent Technology Xi'an Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-16
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to a liquid flow detects technical field, provides a target formula flowmeter that target bar prevents blocking. The utility model discloses target flowmeter produces the displacement and drives the target pole and produce deformation after acquireing fluidic impact force through the target, and then makes force cell sensor acquire the deformation that the target pole produced, and force cell sensor converts this deformation into the signal of telecommunication, handles display device and gathers this signal of telecommunication, shows this signal of telecommunication after the processing. The utility model discloses a single target pole of notched single target pole is seted up for the top, does not have the problem of being blocked by impurity between two traditional target poles to the target pole directly transmits the atress for force cell sensor, makes the flowmeter measuring result accurate.

Description

Target type flowmeter with target rod for preventing blockage

Technical Field

The utility model relates to a fluid flow detects technical field, specifically relates to a target formula flowmeter that target bar prevents blocking.

Background

The target rods of the traditional target type flowmeter are two target rods and are connected with the outer wall of the sensor containing cavity, a gap is reserved between the two target rods, and viscous media and media containing large impurities in fluid are easily blocked in the gap; and the target rod of the traditional target type flowmeter needs to transfer the stress to the force transducer through a force transfer medium, and the measurement result is not accurate.

Disclosure of Invention

The embodiment of the utility model provides a target flowmeter for viscous medium in the fluid does not have the jam phenomenon in the clearance between the target bar with the medium that contains impurity ratio is big, and the target bar is direct transmits the atress for force cell sensor, makes the measuring result accurate. The specific technical scheme is as follows:

the target type flowmeter provided by the embodiment of the utility model comprises a target plate, a target rod, a force transducer, an upper support seat, a sleeve and a processing and displaying device, wherein the lower end of the sleeve is fixedly connected with the upper support seat, and the upper end of the sleeve is fixedly connected with the processing and displaying device; a transverse partition plate with holes is arranged in the sleeve; the upper end of the target rod is provided with a groove, and the force measuring sensor is arranged in the groove; the upper end of the target rod is fixedly connected with the clapboard with holes, and the force cell is electrically connected with the processing and displaying device through a lead; the lead penetrates through the clapboard with the hole; the target plate is arranged on the target rod.

Furthermore, overload protection plates are arranged on two sides of the target rod, the upper ends of the overload protection plates are fixedly connected with the upper supporting seat, limiting blocks used for limiting the position of the target rod are mounted on the overload protection plates, and gaps are formed between the limiting blocks and the target rod; the target plate is connected with the target rod through a connecting piece penetrating through the overload protection plate.

The target rod penetrates through the upper support seat and extends into the measuring tube, and the upper support seat is connected with the lower support seat through a bolt; the overload protection plate is perpendicular to the axial direction of the measuring tube.

Furthermore, a sealing gasket is arranged between the upper support seat and the lower support seat.

Furthermore, two ends of the measuring tube are provided with connecting flanges.

Furthermore, the target surface of the target plate is a convex arc surface.

Furthermore, the processing and displaying device comprises a shell, a display screen arranged on the shell, and a micro-control board and a storage battery which are arranged in the shell, wherein the shell is fixedly connected with the sleeve, the micro-control board is electrically connected with the storage battery, and the micro-control board is respectively electrically connected with the display screen and the force measuring sensor.

The utility model discloses target flowmeter produces the displacement and drives the target pole and produce deformation after acquireing fluidic impact force through the target, and then makes force cell sensor acquire the deformation that the target pole produced, and force cell sensor converts this deformation into the signal of telecommunication, handles display device and gathers this signal of telecommunication, shows this signal of telecommunication after the processing. The utility model discloses a single target pole of notched single target pole is seted up for the top, does not have the problem of being blocked by impurity between two traditional target poles to the target pole directly transmits the atress for force cell sensor, makes the flowmeter measuring result accurate.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic diagram of a target flowmeter according to an embodiment of the present invention.

Wherein, 1-target plate; 2-target bar; 21-a groove; 3-a force sensor; 4-upper supporting seat; 5-a sleeve; 51-perforated partition boards; 6-overload protection plate; 7-a limiting block; 8-a connector; 9-measuring tube; 91-lower support seat; 92-a connecting flange; 101-a housing; 102-a display screen; 103-a micro-control board; 104-storage battery.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The terms "first" or "second", etc. are used merely to distinguish the same type of component or device, and do not represent limitations.

As shown in fig. 1, the target flowmeter according to the embodiment of the present invention includes a target plate 1, a target rod 2, a force sensor 3, an upper support base 4, a sleeve 5 and a processing and displaying device, wherein the lower end of the sleeve 5 is fixedly connected to the upper support base 4, and the upper end of the sleeve 5 is fixedly connected to the processing and displaying device; a transverse perforated partition plate 51 is arranged in the sleeve 5; the upper end of the target rod 2 is provided with a groove 21, and the force measuring sensor 3 is arranged in the groove 21; the upper end of the target rod 2 is fixedly connected with a clapboard 51 with a hole, and the force cell 3 is electrically connected with a processing display device through a lead; the lead wire passes through the perforated partition plate 51; the target plate 1 is mounted on a target rod 2.

Wherein the load cell 3 uses strain gauges, which may be located at the sides of the recess 21.

Wherein, overload protection plates 6 are arranged on two sides of the target rod 2, the upper ends of the overload protection plates 6 are fixedly connected with the upper supporting seat 4, limiting blocks 7 used for limiting the position of the target rod 2 are arranged on the overload protection plates 6, and gaps are arranged between the limiting blocks 7 and the target rod 2; the target plate 1 is connected to the target rod 2 by means of a connecting piece 8 which passes through the overload protection plate 6.

The device also comprises a measuring pipe 9, wherein a lower supporting seat 91 which corresponds to the upper supporting seat 4 and is communicated with the measuring pipe 9 is arranged on the measuring pipe 9, the target rod 2 penetrates through the upper supporting seat 4 and extends into the measuring pipe 9, and the upper supporting seat 4 is connected with the lower supporting seat 91 through a bolt; the overload protection plate 6 is perpendicular to the axial direction of the measuring tube 9.

Wherein, be equipped with sealed the pad 11 between upper support seat 4 and the lower support seat 10, sealed pad 11 is used for sealing up between upper support seat 4 and the lower support seat 10, prevents to survey the fluid in buret 9 and reveals outside surveying buret 9 through the clearance between upper support seat 4 and the lower support seat 10.

Wherein, the two ends of the measuring tube 9 are provided with connecting flanges 92, and the connecting flanges 651 are 92 used for connecting with an external pipeline to be measured.

Wherein, the target surface of target plate 1 is bellied cambered surface form for the fluid that target plate 1 received is even stable, can slow down the fluid impact force that target plate 1 received, can prevent 1 radial vibration of target plate, improves measuring accuracy.

The processing and displaying device comprises a shell 101, a display screen 102 installed on the shell 101, a micro control board 103 and a storage battery 104, wherein the micro control board 103 and the storage battery 104 are installed in the shell 101, the shell 101 is fixedly connected with the sleeve 5, the micro control board 103 is electrically connected with the storage battery 104, and the micro control board 103 is electrically connected with the display screen 102 and the load cell 3 respectively. The micro control board 103 is used for reading the signal of the load cell 3 and sending the processed signal to the display screen 102 for display. The display screen 102 is used to display the measured flow rate value and other information. The micro control board 103 may be a printed circuit board integrated with a processor, an auxiliary integrated circuit chip, and auxiliary electronic components, and the printed circuit board is provided with different types of interfaces for connecting or electrically connecting the micro control board 103 with other electronic components, such as an IC bus interface, a serial bus interface, and a parallel bus interface; and the micro control board 103 can be programmed by a general purpose computer.

The target plate 1, the target rod 2, the upper support seat 4, the sleeve 5, the partition plate 51 with holes, the overload protection plate 6, the limiting block 7, the connecting piece 8, the measuring tube 9, the lower support seat 91, the connecting flange 92, the cylinder body 31 and the shell 101 can be made of metal materials, and the measuring tube 9, the lower support seat 91 and the connecting flange 92 are integrally cast and molded; the sleeve 5 and the clapboard 51 with holes are cast and molded integrally; the shell 101 is welded with the sleeve 5, and the sleeve 5 is welded with the upper supporting seat 4; the connecting piece 8 is rod-shaped and is welded with the target plate 1 and the target rod 2; the target bar 2 is fused to the perforated spacer 51.

The utility model discloses target flowmeter, during the use as follows:

the measuring tube 9 is connected with a pipeline needing to measure the fluid flow through a connecting flange 92, the fluid in the measuring tube 9 impacts the target plate 1, the target plate 1 displaces and drives the target rod 2 to deform, then the target rod 2 drives the force sensor 3 in the groove 21 to deform, the resistance value of the force sensor 3 changes after being strained to generate electric signal change, the micro control board 103 acquires the electric signal change of the force sensor 3, processes the changed electric signal, and displays the numerical value of the processed electric signal through the display screen 102; at 1 atress in-process of target plate, single target rod 2 does not exist by the problem of impurity jam to when target plate 1 received fluidic high-speed impact, target plate 1 drives target rod 2 and produces and warp, and target rod 2 contacts with stopper 7, and stopper 7 carries out position restriction to target rod 2, prevents that target rod 2 from receiving huge deformation and damaging.

It should be understood that the mounting between the structures in the embodiments of the present invention may refer to welding, bolting, screwing, scarf joining, and bonding; the connection between the pipes may be referred to as communication; the connection between the appliances may refer to an electrical connection. The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A target type flowmeter for preventing target rods from being blocked is characterized by comprising a target plate, target rods, a force transducer, an upper support seat, a sleeve and a processing and displaying device, wherein the lower end of the sleeve is fixedly connected with the upper support seat, and the upper end of the sleeve is fixedly connected with the processing and displaying device; a transverse partition plate with holes is arranged in the sleeve; the upper end of the target rod is provided with a groove, and the force measuring sensor is arranged in the groove; the upper end of the target rod is fixedly connected with the clapboard with holes, and the force cell is electrically connected with the processing and displaying device through a lead; the lead penetrates through the clapboard with the hole; the target plate is arranged on the target rod.

2. The target flowmeter of claim 1, wherein overload protection plates are arranged on two sides of the target rod, the upper ends of the overload protection plates are fixedly connected with the upper supporting seat, limiting blocks for limiting the position of the target rod are arranged on the overload protection plates, and gaps are formed between the limiting blocks and the target rod; the target plate is connected with the target rod through a connecting piece penetrating through the overload protection plate.

3. The target flowmeter of claim 2, further comprising a measuring tube, wherein the measuring tube is provided with a lower supporting seat corresponding to the upper supporting seat and communicating with the measuring tube, the target rod passes through the upper supporting seat and extends into the measuring tube, and the upper supporting seat is connected with the lower supporting seat through a bolt; the overload protection plate is perpendicular to the axial direction of the measuring tube.

4. The target flowmeter of claim 3, wherein a seal is disposed between the upper and lower supports.

5. The target flowmeter of claim 3, wherein the measuring tube has attachment flanges at opposite ends thereof.

6. The target flowmeter of claim 1, wherein the target surface of the target plate is convex.

7. The target flowmeter of claim 1, wherein the processing and display device comprises a housing, a display screen mounted on the housing, a micro-control board mounted in the housing, and a battery, the housing is fixedly connected to the sleeve, the micro-control board is electrically connected to the battery, and the micro-control board is electrically connected to the display screen and the load cell, respectively.