CN212988681U

CN212988681U - Intelligent air blowing type pressure measuring device

Info

Publication number: CN212988681U
Application number: CN202021852449.8U
Authority: CN
Inventors: 吴磊; 郑大兴; 张金兰
Original assignee: Shanghai Kemao Industrial Co ltd
Current assignee: Shanghai Kemao Industrial Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-16
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses an intelligent air blowing type pressure measuring device, which comprises a measuring device body, wherein the measuring device body comprises a box body, a float flowmeter, an air source pressure reducing valve, a communication valve body and a flow control regulator are arranged in the box body, the top of the box body is provided with an air inlet main interface, the air inlet main interface penetrates through the top and is connected with the air source pressure reducing valve, the output end of the air source pressure reducing valve is connected with an air supply main pipeline, and the communication valve body is provided with a first air inlet interface, a second air inlet interface, a third air inlet interface, a first air outlet interface, a second air outlet interface, a third air outlet interface and a fourth air outlet interface; the flow control regulator comprises a flow regulation inlet and a flow regulation outlet, the air supply main pipeline is communicated with the first air inlet interface, and the first air outlet interface is communicated with the flow regulation inlet. The utility model provides a stable adjustable intelligence air blowing type pressure measurement device of air feed flow.

Description

Intelligent air blowing type pressure measuring device

Technical Field

The utility model relates to a pressure measurement technical field specifically is an intelligence air blowing type pressure measurement device.

Background

The existing pressure or differential pressure measuring instrument devices require, for the measurement of the pressure, that the measuring instrument device is mounted at least partially in a container or vessel containing the medium to be measured, in such a way that the pressure change at each sampling point in the container or pipeline, or the differential pressure change between different sampling points, is measured, on the basis of which the corresponding pressure is measured.

The existing pressure measurement equipment is only suitable for the condition of common media, and under the condition that the pressure of a medium with strong corrosion, high temperature and high radioactivity is measured or the contact between the medium and the equipment can damage the instrument equipment, an operator and the measurement instrument equipment need to be far away, and the measured medium cannot be measured on site, the existing pressure measurement equipment cannot be suitable for use, the service life and the accuracy of the measurement equipment are easily influenced, and the existing pressure measurement equipment cannot rapidly acquire the gas supply with stable flow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent air blowing type pressure measurement device of stable adjustable of air feed flow.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent air blowing type pressure measuring device comprises a measuring device body, wherein the measuring device body comprises a box body, a float flowmeter, an air source pressure reducing valve, a communicating valve body and a flow control regulator are arranged in the box body, an air inlet main interface is arranged at the top of the box body, the air inlet main interface penetrates through the top and is connected with the air source pressure reducing valve, an output end of the air source pressure reducing valve is connected with an air supply main pipeline, and a first air inlet interface, a second air inlet interface, a third air inlet interface, a first air outlet interface, a second air outlet interface, a third air outlet interface and a fourth air outlet interface are arranged on the communicating valve body; the flow control regulator comprises a flow regulation inlet and a flow regulation outlet, a gas supply main pipeline is communicated with a first gas inlet interface, a first gas outlet interface is communicated with the flow regulation inlet, the flow regulation outlet is communicated with a second gas inlet interface, the second gas outlet interface is connected with a gas inlet of the float flowmeter, a gas outlet of the float flowmeter is connected with a third gas inlet interface, the third gas outlet interface and a fourth gas outlet interface are communicated with a third gas inlet, the third gas outlet interface is connected with a gas outlet pipeline, the fourth gas outlet interface is connected with a pressure sensor, and the pressure sensor is used for measuring gas pressure in the third gas inlet.

Preferably, the third air outlet port and the fourth air outlet port are communicated with the third air inlet port through a three-way connecting piece, a first air inlet of the three-way connecting piece is communicated with the third air outlet port, and a flow regulator is arranged at the first air inlet of the three-way connecting piece and used for regulating the air flow of the first air inlet.

Preferably, the box body comprises a box door, a touch screen is arranged on the box door, a controller is arranged in the touch screen, and the touch screen is electrically connected with the pressure sensor and used for displaying the numerical value of the pressure sensor.

Preferably, the touch screen is electrically connected with the flow control regulator and is used for regulating the opening amount of the flow control regulator, and the touch screen is electrically connected with the flow regulator and is used for regulating the opening amount of the flow regulator.

Preferably, the box door is further provided with an observation window for observing the display numerical value of the float flowmeter.

Preferably, one side of box is equipped with power source and communication interface, power source is connected with the touch-sensitive screen electricity, is used for giving the measuring device body provides the electric energy, communication interface with be connected with the touch-sensitive screen electricity for output signal transmission to DCS control system or PLC control system with the touch-sensitive screen.

Preferably, the communicating valve body is fixedly installed inside the box body through a bolt.

Preferably, the flow control regulator and the float flowmeter are both mounted on a fixed plate, and the fixed plate is fixed inside the box body.

Preferably, the air source pressure reducing valve is fixedly arranged at the top of the box body.

Preferably, the pressure sensor is fixedly arranged on the communicating valve body, and the air outlet pipeline is fixed below the box body through a fixing piece.

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

the utility model discloses a measuring device body is through setting up flow control regulator and flow regulator respectively at float flowmeter's air inlet and gas outlet, carries out flow control of relatively large amplitude through the flow control regulator that sets up at float flowmeter air inlet, then sets up the flow regulator that sets up at float flowmeter gas outlet and carries out flow control of small amplitude to reach the balanced state of atmospheric pressure fast;

the measuring device body of the utility model is provided with the communicating valve body, and all the air inlet and outlet connecting pipelines are connected to the air inlet interface and the air outlet interface of the communicating valve body, so that the structure is compact and reasonable, and the volume is small;

the utility model discloses a touch-sensitive screen through setting up and pressure sensor electricity is connected can show pressure numerical value in real time to through setting up communication interface, conveniently be connected this measuring device body with DCS control system or PLC control system through communication interface.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a box body of an intelligent blowing type pressure measuring device of the present invention;

FIG. 2 is a schematic view of a sectional structure of a communicating valve body in a tank body of an intelligent blowing type pressure measuring device of the present invention;

fig. 3 is a schematic view of the front view structure of the intelligent blowing type pressure measuring device of the present invention.

In the figure: 1. a box body; 2. a float flow meter; 3. a gas source pressure reducing valve; 4. the valve body is communicated; 401. a first air inlet interface; 402. a second air inlet interface; 403. a third air inlet interface; 404. a first air outlet interface; 405. a second air outlet interface; 406. a third air outlet interface; 407. a fourth air outlet interface; 5. a flow control regulator; 501. a flow regulation inlet; 502. a flow regulation outlet; 6. an air inlet main interface; 7. a main gas supply pipeline; 8. a pressure sensor; 9. a flow regulator; 10. a box door; 11. a touch screen; 12. an observation window; 13. a power interface; 14. a communication interface; 15. a fixing plate; 16. a fixing member; 17. an air outlet pipeline; 18. a handle; 19. a clamping piece.

Detailed Description

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

As shown in fig. 1, the utility model provides an embodiment, an intelligence formula pressure measurement device of blowing, including the measuring device body, the measuring device body includes box 1, be equipped with float flowmeter 2, air supply relief pressure valve 3, intercommunication valve body 4 and flow control regulator 5 in the box 1, the top of box 1 is equipped with one and admits air total interface 6, admit air total interface 6 run through the top and with air supply relief pressure valve 3 is connected, the output of air supply relief pressure valve 3 is connected with air supply main line 7, be equipped with first interface 401 of admitting air, second interface 402 of admitting air, third interface 403 of admitting air and first interface 404 of giving vent to anger, second interface 405, third interface 406 of giving vent to anger, fourth interface 407 on the intercommunication valve body 4; this measuring device body is through setting up intercommunication valve body 4, all connects each admit air and give vent to anger connecting line to the interface of admitting air and giving vent to anger of intercommunication valve body 4 on, compact structure is reasonable, and is small. The box body 1 comprises a box door 10, a touch screen 11 is arranged on the box door 10, a controller is arranged in the touch screen 11, and the touch screen 11 is electrically connected with the pressure sensor 8 and used for displaying the numerical value of the pressure sensor 8; and the clamping piece 19 is arranged on one side of the box body 1 corresponding to the box door 10, so that the measuring device body can be conveniently arranged at a measuring place.

As shown in fig. 2, for the utility model, a schematic sectional structure diagram of the communicating valve body 4 in the box 1 of the intelligent blowing type pressure measuring device, the flow control regulator 5 includes a flow regulation inlet 501 and a flow regulation outlet 502, the main gas supply pipeline 7 is communicated with the first gas inlet interface 401, the first gas outlet interface 404 is communicated with the flow regulation inlet 501, the flow regulation outlet 502 is communicated with the second gas inlet interface 402, the second gas outlet interface 405 is connected with the gas inlet of the float flowmeter 2, the gas outlet of the float flowmeter 2 is connected with the third gas inlet interface 403, the third gas outlet interface 406 and the fourth gas outlet interface 407 are communicated with the third gas inlet, the third gas outlet interface 406 is connected with the gas outlet pipeline 17, the gas outlet pipeline 17 is connected with a corrosion-resistant pipe, the surface layer of the corrosion-resistant pipe is coated with a corrosion-resistant coating, the corrosion type medium is convenient to measure. The fourth outlet port 407 is connected to a pressure sensor 8, and the pressure sensor 8 is configured to measure a gas pressure in the third inlet port. The third air outlet port 406 and the fourth air outlet port 407 are communicated with a third air inlet port through a three-way connecting piece, a first air inlet of the three-way connecting piece is communicated with the third air outlet port 406, and a flow regulator 9 is arranged at the first air inlet of the three-way connecting piece and used for regulating the air flow of the first air inlet. The flow control regulator 5 and the flow regulator 9 are respectively arranged at the air inlet and the air outlet of the float flowmeter 2, the flow control regulator 5 arranged at the air inlet of the float flowmeter 2 is used for carrying out flow regulation with a relatively large amplitude, and then the flow regulator 9 arranged at the air outlet of the float flowmeter 2 is used for carrying out small-amplitude flow regulation so as to rapidly reach the state of air pressure balance.

The touch screen 11 is electrically connected with the flow control regulator 5 and used for regulating the opening amount of the flow control regulator 5, the touch screen 11 is electrically connected with the flow regulator 9 and used for regulating the opening amount of the flow regulator 9, and the touch screen 11 can display the pressure value in real time.

Preferably, the box door 10 is further provided with an observation window 12 for observing the display value of the float flowmeter 2.

As shown in fig. 3, one side of the box body 1 is provided with a power interface 13 and a communication interface 14, the power interface 13 is electrically connected with the touch screen 11 and is used for providing electric energy for the measuring device body, and the communication interface 14 is electrically connected with the touch screen 11 and is used for transmitting an output signal of the touch screen 11 to a DCS control system or a PLC control system. Through setting up communication interface 14, conveniently be connected this measuring device body with DCS control system or PLC control system through communication interface 14, give DCS control system or PLC control system with intelligent digital signal or analog signal transmission.

Preferably, the communication valve body 4 is fixedly installed inside the box body 1 by bolts.

Preferably, the flow control regulator 5 and the float flowmeter 2 are both mounted on a fixing plate 15, and the fixing plate 15 is fixed inside the case 1.

Preferably, the gas source pressure reducing valve 3 is fixedly installed on the top of the box body 1.

Preferably, the pressure sensor 8 is fixedly installed on the communication valve body 4, and the air outlet pipeline 17 is fixed below the box body 1 through a fixing member 16.

The working principle is as follows: the utility model discloses a measuring device body sets up flow control regulator 5 and flow regulator 9 respectively through air inlet and the gas outlet at float flowmeter 2, flow control by a relatively large margin is carried out through the flow control regulator 5 that sets up at float flowmeter 2 air inlet, then the flow regulator 9 that sets up at float flowmeter 2 gas outlet carries out the flow control of small margin, with the quick balanced state that reaches atmospheric pressure, atmospheric pressure after twice regulation enters into the tee junction spare through the first air inlet by tee junction spare in, tee junction spare and third interface 406 and the fourth interface 407 of giving vent to anger all inside communicate with each other, be in same atmospheric pressure value promptly, can detect the atmospheric pressure value in the tee junction spare through pressure sensor 8, export this flow stabilization's air feed through going out gas pipeline 17. The display value of the pressure sensor 8 is the gas pressure value output by the gas outlet pipeline 17.

When the measuring device body is used for measuring, the measuring device body can be fixed through the clamping piece 19, the air inlet main interface 6 is connected with the air inlet main pipeline, then the corrosion-resistant pipe communicated with the air outlet pipeline 17 is inserted into a medium to be measured, the air pressure value of the air outlet pipeline 17 is continuously increased, bubbles are continuously blown out from the lower end of the corrosion-resistant pipe after the air pressure in the air outlet pipeline 17 reaches a certain numerical value, and due to the fact that the air blowing amount is small, under the condition that other influence factors such as pipeline resistance are ignored, the pressure applied to the medium to be measured can be considered to be equal to the pressure value in the air outlet pipeline 17.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An intelligent blowing type pressure measuring device, which comprises a measuring device body and is characterized in that, the measuring device body comprises a box body (1), a float flowmeter (2), an air source pressure reducing valve (3), a communicating valve body (4) and a flow control regulator (5) are arranged in the box body (1), the top of the box body (1) is provided with an air inlet main joint (6), the air inlet main joint (6) penetrates through the top and is connected with the air source pressure reducing valve (3), the output end of the air source pressure reducing valve (3) is connected with an air supply main pipeline (7), a first air inlet interface (401), a second air inlet interface (402), a third air inlet interface (403), a first air outlet interface (404), a second air outlet interface (405), a third air outlet interface (406) and a fourth air outlet interface (407) are arranged on the communicating valve body (4); the flow control regulator (5) comprises a flow regulating inlet (501) and a flow regulating outlet (502), the air supply main pipeline (7) is communicated with a first air inlet interface (401), the first air outlet interface (404) is communicated with a flow regulation inlet (501), the flow regulating outlet (502) is communicated with a second air inlet interface (402), the second air outlet interface (405) is connected with an air inlet of the float flowmeter (2), the air outlet of the float flowmeter (2) is connected with the third air inlet interface (403), the third air outlet interface (406) and the fourth air outlet interface (407) are communicated with the third air inlet, the third air outlet interface (406) is connected with an air outlet pipeline (17), the fourth air outlet interface (407) is connected with a pressure sensor (8), the pressure sensor (8) is used for measuring the gas pressure in the third air inlet.

2. The intelligent blowing type pressure measuring device according to claim 1, characterized in that: the third air outlet interface (406) and the fourth air outlet interface (407) are communicated with a third air inlet through a three-way connecting piece, a first air inlet of the three-way connecting piece is communicated with the third air outlet interface (406), and a flow regulator (9) is arranged at the first air inlet of the three-way connecting piece and used for regulating the air flow of the first air inlet.

3. The intelligent blowing type pressure measuring device according to claim 2, characterized in that: the box body (1) comprises a box door (10), a touch screen (11) is arranged on the box door (10), a controller is arranged in the touch screen (11), and the touch screen (11) is electrically connected with the pressure sensor (8) and used for displaying the numerical value of the pressure sensor (8).

4. The intelligent blowing type pressure measuring device according to claim 3, characterized in that: the touch screen (11) is electrically connected with the flow control regulator (5) and used for regulating the opening amount of the flow control regulator (5), and the touch screen (11) is electrically connected with the flow regulator (9) and used for regulating the opening amount of the flow regulator (9).

5. The intelligent blowing type pressure measuring device according to claim 3, characterized in that: and the box door (10) is also provided with an observation window (12) for observing the display numerical value of the float flowmeter (2).

6. The intelligent blowing type pressure measuring device according to claim 2, characterized in that: one side of box (1) is equipped with power source (13) and communication interface (14), power source (13) are connected with touch-sensitive screen (11) electricity, be used for the measuring device body provides the electric energy, communication interface (14) are connected with touch-sensitive screen (11) electricity for output signal transmission to DCS control system or PLC control system with touch-sensitive screen (11).

7. The intelligent blowing type pressure measuring device according to claim 1, characterized in that: the communicating valve body (4) is fixedly arranged in the box body (1) through bolts.

8. The intelligent blowing type pressure measuring device according to claim 1, characterized in that: the flow control regulator (5) and the float flowmeter (2) are both arranged on a fixing plate (15), and the fixing plate (15) is fixed inside the box body (1).

9. The intelligent blowing type pressure measuring device according to claim 1, characterized in that: the air source pressure reducing valve (3) is fixedly arranged at the top of the box body (1).

10. The intelligent blowing type pressure measuring device according to claim 1, characterized in that: the pressure sensor (8) is fixedly arranged on the communicating valve body (4), and the air outlet pipeline (17) is fixed below the box body (1) through a fixing piece (16).