CN210603452U

CN210603452U - Be used for trace metal pipe flowmeter

Info

Publication number: CN210603452U
Application number: CN201921722244.5U
Authority: CN
Inventors: 杉时夫
Original assignee: Tokyo Design & Installation Zhangzhou Instrument Co Ltd
Current assignee: Tokyo Design & Installation Zhangzhou Instrument Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-05-22
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a flowmeter for trace metal pipe, which relates to the field of design quantity equipment, and comprises a measuring pipe, wherein the outer surface of one end of the measuring pipe is provided with a flange, the outer wall of the measuring pipe is provided with a monitoring box and a guard plate, the monitoring box is positioned on one side of the guard plate, the outer surface of the front end of the monitoring box is provided with an alarm lamp, the measuring pipe is internally provided with an inlet port, a throttle plate and a discharge port, the inlet port is positioned on one side of the throttle plate, the discharge port is positioned on the other side of the throttle plate, through the arrangement of an overpressure sensor, the overpressure sensor can effectively detect the pressure condition inside the flowmeter, when the pressure is overloaded, the overpressure sensor can send out a prompt alarm, thereby avoiding the damage of the equipment, through the arrangement of the guard plate, the arrangement of the guard plate can ensure that the daily, the work efficiency is improved, and the use effect is better than that of the traditional mode.

Description

Be used for trace metal pipe flowmeter

Technical Field

The utility model relates to a measuring equipment field, concretely relates to be used for trace metal pipe flowmeter.

Background

The flow meter is also called as a flow meter, and the development of flow measurement can be traced back to ancient hydraulic engineering and urban water supply systems. The water flow meter is mainly used for measuring the instantaneous flow and the accumulated flow of fluid in a pipeline or an open channel, and is divided into a differential pressure type flow meter, a rotor flow meter, a throttling type flow meter, a slit flow meter, a volume flow meter, an electromagnetic flow meter, an ultrasonic flow meter, a turbine flow meter, a vortex flow meter and the like according to media classification, namely a liquid flow meter, a gas flow meter, a steam flow meter and a solid flow meter, wherein the existing flow meter is usually subjected to overlarge internal pressure during use so as to cause equipment damage, and the existing flow meter needs to be regularly maintained and cleaned when being used for a long time, the inaccurate measurement data of the flowmeter can be caused by the untimely cleaning, and therefore, a flowmeter for the trace metal pipe is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a be used for trace metal pipe flowmeter, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a flow meter for trace metal pipes comprises a measuring pipe, wherein a flange is arranged on the outer surface of one end of the measuring pipe, a monitoring box and a guard plate are arranged on the outer wall of the measuring pipe, the monitoring box is positioned on one side of the guard plate, an alarm lamp is arranged on the outer surface of the front end of the monitoring box, an inlet port, a throttle plate and an outlet port are arranged in the measuring pipe, the inlet port is positioned on one side of the throttle plate, the outlet port is positioned on the other side of the throttle plate, a plate hole is arranged in the middle of the throttle plate, pressure sensors are arranged on the outer surfaces of the rear ends of the monitoring box, extend into the measuring pipe and are distributed on two sides of the throttle plate, a differential pressure sensor is arranged on the inner surface of the rear end of the monitoring box, an overvoltage sensor and a microprocessor are arranged on the outer surface of one side of the, the LED monitoring box is characterized in that an LED display is arranged on the inner surface of the front end of the monitoring box, a signal receiver and a lamp tube are arranged in the middle of the alarm lamp, the lamp tube is located above the signal receiver, and sealing strips are arranged on the outer surfaces of the periphery of the protection plate.

Further, be provided with the fixed slot between survey buret and the flange, survey buret one end surface and can dismantle through the inner wall of fixed slot and flange and be connected, the quantity of flange is two sets of.

Further, be provided with the cross screw between survey buret and the monitoring case, the outer wall of surveying buret can be dismantled through the rear end surface board of cross screw and monitoring case and be connected, be provided with the thumb screw between survey buret and the backplate, the outer wall of surveying buret can be dismantled through the rear end surface of thumb screw and backplate and be connected.

Furthermore, the inner wall of the measuring tube is fixedly connected with the peripheral outer surface of the inlet through welding.

Further, be provided with the hexagonal screw between survey buret and the throttle plate, survey the inner wall of buret and can dismantle with the surface all around of throttle plate through the hexagonal screw and be connected, be provided with the transmission line between monitoring case and the pressure sensor, the one end surface electric connection that the rear end surface of monitoring case passes through transmission line and pressure sensor.

Further, survey buret and be the metal material, its surface brush has anticorrosive paint, it glues to be provided with the hot pressing between backplate and the sealing strip, the surface all around of backplate glues the rear end fixed surface connection with the sealing strip through the hot pressing.

Compared with the prior art, the utility model discloses following beneficial effect has: this a be used for trace metal pipe flowmeter, through the setting of overpressure sensor, overpressure sensor can effectually detect the inside pressure condition of flowmeter, and overpressure sensor can send the suggestion police dispatch newspaper when pressure overload to avoid the damage of equipment, through the setting of backplate, the setting of backplate can make daily clearance and maintenance more convenient again, and convenient workman's use has improved work efficiency, and the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a micro metal tube flowmeter according to the present invention;

FIG. 2 is an internal structure diagram of a measuring tube 1 of the trace metal tube flowmeter according to the present invention;

fig. 3 is an internal structure diagram of a monitoring box 3 for a trace metal pipe flowmeter according to the present invention;

fig. 4 is a side view of a guard 4 for a trace metal pipe flowmeter according to the present invention.

In the figure: 1. a measurement tube; 2. a flange; 3. a monitoring box; 4. a guard plate; 5. an alarm lamp; 6. an inlet port; 7. a throttle plate; 8. an outlet port; 9. plate holes; 10. a pressure sensor; 11. a differential pressure sensor; 12. an overpressure sensor; 13. a microprocessor; 14. an LED display; 15. a signal receiver; 16. a sealing strip; 17. a lamp tube.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 to 4, a flowmeter for trace metal pipe comprises a measuring pipe 1, a flange 2 is provided on the outer surface of one end of the measuring pipe 1, a monitoring box 3 and a guard plate 4 are provided on the outer wall of the measuring pipe 1, the monitoring box 3 is located on one side of the guard plate 4, an alarm lamp 5 is provided on the outer surface of the front end of the monitoring box 3, an inlet port 6, a throttle plate 7 and an outlet port 8 are provided in the measuring pipe 1, the inlet port 6 is located on one side of the throttle plate 7, the outlet port 8 is located on the other side of the throttle plate 7, a plate hole 9 is provided in the middle of the throttle plate 7, pressure sensors 10 are provided on the outer surfaces of the rear ends of the monitoring box 3, the pressure sensors 10 extend into the measuring pipe 1 and are respectively arranged on both sides of the throttle plate 7, a differential pressure sensor 11 is provided on the inner surface of, the overvoltage sensor 12 is located on one side of the microprocessor 13, the LED display 14 is arranged on the inner surface of the front end of the monitoring box 3, the signal receiver 15 and the lamp tube 17 are arranged in the middle of the alarm lamp 5, the lamp tube 17 is located above the signal receiver 15, and the sealing strips 16 are arranged on the outer surfaces of the periphery of the protection plate 4.

A fixed groove is arranged between the measuring tube 1 and the flange 2, the outer surface of one end of the measuring tube 1 is detachably connected with the inner wall of the flange 2 through the fixed groove, and the number of the flanges 2 is two; a cross screw is arranged between the measuring tube 1 and the monitoring box 3, the outer wall of the measuring tube 1 is detachably connected with the rear outer surface plate of the monitoring box 3 through the cross screw, a butterfly screw is arranged between the measuring tube 1 and the protection plate 4, and the outer wall of the measuring tube 1 is detachably connected with the rear outer surface of the protection plate 4 through the butterfly screw; the inner wall of the measuring tube 1 is fixedly connected with the peripheral outer surface of the inlet 6 through welding; a hexagonal screw is arranged between the measuring tube 1 and the throttle plate 7, the inner wall of the measuring tube 1 is detachably connected with the peripheral outer surface of the throttle plate 7 through the hexagonal screw, a transmission line is arranged between the monitoring box 3 and the pressure sensor 10, and the outer surface of the rear end of the monitoring box 3 is electrically connected with the outer surface of one end of the pressure sensor 10 through the transmission line; the measuring tube 1 is made of metal, anti-corrosion paint is brushed on the surface of the measuring tube, hot-pressing glue is arranged between the guard plate 4 and the sealing strip 16, and the peripheral outer surface of the guard plate 4 is fixedly connected with the outer surface of the rear end of the sealing strip 16 through the hot-pressing glue.

It should be noted that, the utility model relates to a flow meter for trace metal pipe, when using, make the fluid enter into the measuring tube 1 through the inlet 6, the fluid flowing in the measuring tube 1 has kinetic energy and static pressure energy, and two kinds of energy can be mutually converted, when the fluid filling the measuring tube 1 flows through the throttle plate 7 in the measuring tube 1, because the plate hole 9 in the throttle plate 7 causes the local contraction of the stream, the fluid flow velocity in the center of the measuring tube 1 changes, its static pressure ability changes, because the fluid flows through the plate hole 9, produce local eddy current loss and frictional resistance loss, after the full recovery of the stream, the static pressure ability can not recover to the original value, the static pressure energy difference before and after the throttle plate 7 is related to the flow, the flow is bigger, the contraction and movement of the stream, the conversion of static pressure energy is also more obvious, the pressure difference that produces is bigger, as long as to measure the static pressure difference before and after the throttle element, can confirm the flow, pressure sensor 10 differential pressure signal transmission to differential pressure sensor 11 and overpressure sensor 12 at both ends around the throttle plate 7, differential pressure sensor 11 differential pressure signal transmission to microprocessor 13, handle the back through microprocessor 13 and export standard signal to LED display 14 in, when the pressure of throttle plate 7 both sides transships, overpressure sensor 12 can with signal transfer to in the alarm lamp 5, the suggestion of reporting to the police, when daily maintenance and clearance, can be directly through opening backplate 4 to surveying buret 1 inside clearance and maintenance, it is more convenient to use, and is comparatively practical.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A flowmeter for trace metal tubes, comprising a measuring tube (1), characterized in that: the outer surface of one end of the measuring pipe (1) is provided with a flange (2), the outer wall of the measuring pipe (1) is provided with a monitoring box (3) and a guard plate (4), the monitoring box (3) is positioned on one side of the guard plate (4), the outer surface of the front end of the monitoring box (3) is provided with an alarm lamp (5), the measuring pipe (1) is provided with an inlet (6), a throttle plate (7) and a discharge port (8), the inlet (6) is positioned on one side of the throttle plate (7), the discharge port (8) is positioned on the other side of the throttle plate (7), the middle part of the throttle plate (7) is provided with a plate hole (9), the outer surface of the rear end of the monitoring box (3) is provided with a pressure sensor (10), the pressure sensor (10) extends into the measuring pipe (1) and is distributed on two sides of the throttle plate (7), the inner surface of the rear end of the monitoring box (3) is provided with a, the utility model discloses a differential pressure sensor (11) is characterized in that one side surface of differential pressure sensor (11) is provided with overpressure sensor (12) and microprocessor (13), overpressure sensor (12) are located one side of microprocessor (13), the front end internal surface of monitoring box (3) is provided with LED display (14), the middle part of alarm lamp (5) is provided with signal receiver (15) and fluorescent tube (17), fluorescent tube (17) are located the top of signal receiver (15), the surface all around of backplate (4) all is provided with sealing strip (16).

2. A flowmeter for trace metal tubes as set forth in claim 1 wherein: survey and be provided with the fixed slot between buret (1) and flange (2), survey buret (1) one end surface and can dismantle through the inner wall of fixed slot and flange (2) and be connected, the quantity of flange (2) is two sets of.

3. A flowmeter for trace metal tubes as set forth in claim 1 wherein: survey and be provided with the cross screw between buret (1) and monitoring case (3), survey the outer wall of buret (1) and can dismantle through the rear end surface board of cross screw and monitoring case (3) and be connected, survey and be provided with the butterfly screw between buret (1) and backplate (4), the outer wall of surveying buret (1) can dismantle through the rear end surface of butterfly screw and backplate (4) and be connected.

4. A flowmeter for trace metal tubes as set forth in claim 1 wherein: the inner wall of the measuring pipe (1) is fixedly connected with the peripheral outer surface of the inlet (6) through welding.

5. A flowmeter for trace metal tubes as set forth in claim 1 wherein: survey and be provided with the hexagonal screw between buret (1) and throttle plate (7), survey the inner wall of buret (1) and pass through the hexagonal screw and can dismantle with the surface all around of throttle plate (7) and be connected, be provided with the transmission line between monitoring box (3) and pressure sensor (10), the rear end surface electric connection of transmission line and pressure sensor (10) is passed through to the rear end surface of monitoring box (3).

6. A flowmeter for trace metal tubes as set forth in claim 1 wherein: survey buret (1) and be the metal material, its surface brush has anticorrosive paint, it glues to be provided with the hot pressing between backplate (4) and sealing strip (16), the surface all around of backplate (4) is glued through the hot pressing and is connected with the rear end fixed surface of sealing strip (16).