CN112835390A - High-resolution micropressure flow state pressure regulating device - Google Patents
High-resolution micropressure flow state pressure regulating device Download PDFInfo
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- CN112835390A CN112835390A CN202110236875.1A CN202110236875A CN112835390A CN 112835390 A CN112835390 A CN 112835390A CN 202110236875 A CN202110236875 A CN 202110236875A CN 112835390 A CN112835390 A CN 112835390A
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- water
- box body
- pressure
- water inlet
- water outlet
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/14—Control of fluid pressure with auxiliary non-electric power
- G05D16/16—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a high-resolution micro-pressure flow state pressure regulating device which comprises a closed box body, a water inlet control device, a water outlet control device, an air inlet valve, a pressure sensor and a water level meter, wherein a water inlet pipeline is arranged on one side of the box body, a water outlet pipeline is arranged on the other side of the box body, an air inlet pipeline is arranged at the upper end of the box body, the water inlet control device is arranged on the water inlet pipeline and used for controlling the flow of inlet water, the water outlet control device is arranged on the water outlet pipeline and used for controlling water outlet, the air inlet valve is arranged on the air inlet pipeline, the pressure sensor is used for detecting the pressure in the box body, and the water level meter is; the technical scheme of the invention can realize liquid supply under the condition of lower pressure.
Description
Technical Field
The invention relates to the technical field of airplane water system detection equipment, in particular to a high-resolution micro-pressure flow state pressure regulating device.
Background
When an aircraft water system is tested, pressure regulation under a medium flowing state needs to be carried out under a small pressure (for example, less than 0.5PSI), and dynamic pressure regulation of liquid supply under an extremely low pressure condition is difficult to realize by a common pressure regulating device.
Disclosure of Invention
The invention mainly aims to provide a high-resolution micro-pressure flow state pressure regulating device which can realize liquid supply under a lower pressure condition.
In order to achieve the above object, the present invention provides a high resolution micro-pressure flow state pressure regulating device, comprising:
the water inlet pipeline is arranged at one side of the box body, the water outlet pipeline is arranged at the other side of the box body, and the air inlet pipeline is arranged at the upper end of the box body;
the water inlet control device is arranged on the water inlet pipeline and is used for controlling the flow of inlet water;
the water outlet control device is arranged on the water outlet pipeline and used for controlling water outlet;
the air inlet valve is arranged on the air inlet pipeline;
a pressure sensor for detecting a pressure inside the tank; and the number of the first and second groups,
and the water level meter is used for detecting the water level in the box body.
Optionally, the water inlet control device comprises:
the water inlet throttle valve is arranged on the water inlet pipeline; and the number of the first and second groups,
the electromagnetic water inlet valve is arranged on the water inlet pipeline and is positioned between the water inlet throttle valve and the box body.
Optionally, the effluent control apparatus comprises:
and the electromagnetic water outlet valve is arranged on the water outlet pipeline.
Optionally, the water inlet line and the water outlet line are disposed on opposite sides of the tank.
Optionally, a partition plate is arranged in the box body, and the partition plate separates an outlet of the water inlet pipeline from an inlet of the water outlet pipeline.
Optionally, a water discharge pipeline is arranged at the bottom of the box body, and a water discharge control valve is arranged on the water discharge pipeline.
Optionally, the high-resolution micro-pressure flow state pressure regulating device further includes:
the adjusting cavity is arranged in a penetrating manner, and one end of the adjusting cavity is connected with the upper end of the box body; and the number of the first and second groups,
and the sealing plug is in sealing sliding fit with the adjusting cavity, and a spring is arranged between the outer end of the sealing plug and the adjusting cavity.
The working process of the high-resolution micro-pressure flow state pressure regulating device provided by the invention is as follows:
the box body is a sealed cavity, a certain amount of liquid medium and air are pre-filled in the box body, the upper part in the box body is air, the lower part in the box body is liquid medium, the water inlet control device is adjusted, when the flow of liquid entering the box body is larger than the flow of liquid flowing out of the box body, gas in the box body is compressed, as the box body is a sealed space, the pressure in the box body rises, the pressure of liquid flowing out of the box body rises, and the pressure of liquid flowing out of the box body in the pressure range of inlet liquid is adjustable.
On the contrary, when the liquid flow entering the box body is smaller than the liquid flow flowing out of the box body, the volume of gas in the box body is increased, the pressure in the box body is reduced because the box body is a closed space, the pressure of the liquid flowing out of the box body is reduced at the same time, and the pressure of the liquid flowing out of the box body in the range of the pressure of the liquid at the outlet is adjustable.
The inlet control device is adjusted until the pressure in the box body reaches the set pressure, then the inlet control device is adjusted to the inlet and the outlet of the box body to be consistent in flow, at the moment, the outlet pressure (which depends on and is equal to the inlet pressure of a measured piece) is kept constant, and the pressure adjustment is realized through gas compression or expansion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a high-resolution micro-pressure flow state pressure regulating device provided by the present invention.
The embodiment of the invention is illustrated by reference numerals:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | High-resolution micropressure flow state pressure regulating device | 22 | Electromagnetic water inlet valve |
| 1 | Box body | 3 | Water outlet control device |
| 1a | Water inlet pipeline | 31 | Electromagnetic water outlet valve |
| 1b | |
4 | Intake airValve with a |
| 1c | |
5 | |
| 1d | Drainage pipeline | 6 | |
| 2 | Water |
7 | Water discharge control valve |
| 21 | Water |
8 | Partition board |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a high resolution micro-pressure flow state pressure regulating device 100, comprising:
the water-saving device comprises a closed box body 1, wherein a water inlet pipeline 1a is arranged on one side of the box body 1, a water outlet pipeline 1b is arranged on the other side of the box body 1, and an air inlet pipeline 1c is arranged at the upper end of the box body 1;
the water inlet control device 2 is arranged on the water inlet pipeline 1a, and the water inlet control device 2 is used for controlling the flow of inlet water;
the water outlet control device 3 is arranged on the water outlet pipeline 1b and used for controlling water outlet;
an intake valve 4 provided in the intake pipe 1 c;
a pressure sensor 5 for detecting the pressure inside the tank 1; and the number of the first and second groups,
a water level gauge 6 for detecting a water level in the tank 1.
The working process of the high-resolution micro-pressure flow state pressure regulating device 100 provided by the invention is as follows:
the box body 1 is a sealed cavity, a certain amount of liquid medium and air are pre-filled in the box body 1, the upper part in the box body 1 is the air, the lower part in the box body 1 is the liquid medium, the water inlet adjusting control device 2 is adjusted, when the flow of the liquid entering the box body 1 is larger than the flow of the liquid flowing out of the box body 1, the gas in the box body 1 is compressed, as the box body 1 is a sealed space, the pressure in the box body 1 rises, the pressure of the liquid flowing out of the box body 1 rises, and the pressure of the liquid flowing out of the box.
On the contrary, the water inlet control device 2 is adjusted and adjusted, when the liquid flow entering the box body 1 is smaller than the liquid flow flowing out of the box body 1, the volume of the gas in the box body 1 is increased, because the box body 1 is a closed space, the pressure in the box body 1 is reduced, the liquid pressure flowing out of the box body 1 is reduced at the same time, and the liquid pressure flowing out of the box body 1 in the range of the outlet liquid pressure is adjustable.
The inlet water control device 2 is adjusted until the pressure in the box body 1 reaches the set pressure, then the inlet and outlet flows from the inlet and the outlet of the inlet water control device 2 to the box body 1 are adjusted to be consistent, at the moment, the outlet pressure (which depends on and is equal to the inlet pressure of a measured part) is kept constant, and the pressure adjustment is realized through gas compression or expansion, so that the device has the characteristic of high adjustment resolution, and the resolution of the adjustment of the device can be adjusted by adjusting the volume ratio of gas to liquid in the box body 1.
The water inlet control device 2 is used for controlling the water inlet and the water inlet flow of the water inlet pipeline 1a, the specific structure of the water inlet control device is not limited, specifically, in this embodiment, the water inlet control device 2 comprises a water inlet throttle valve 21 and an electromagnetic water inlet valve 22, the water inlet throttle valve 21 is arranged on the water inlet pipeline 1a, the electromagnetic water inlet valve 22 is arranged on the water inlet pipeline 1a and is located between the water inlet throttle valve 21 and the box body 1, namely, the electromagnetic water inlet valve 22 controls the opening and closing, and the water inlet flow of the water inlet pipeline 1a is controlled by the water inlet throttle valve 21, so that the water inlet can be accurately controlled.
The water outlet control device 3 is used to control the water outlet of the water outlet pipeline 1b, and the specific structure thereof is not limited, specifically, in this embodiment, the water outlet control device 3 includes an electromagnetic water outlet valve 31, and the electromagnetic water outlet valve 31 is disposed on the water outlet pipeline 1b, and is controlled to open and close by the electromagnetic water outlet valve 31.
In the present embodiment, the water inlet pipe 1a and the water outlet pipe 1b are disposed on two opposite sides of the housing 1, obviously, the present design is not limited thereto, and the water inlet pipe 1a and the water outlet pipe 1b may be disposed on two adjacent sides, and in the present embodiment, they are disposed so far as to avoid the water coming in and going out too close to each other to form turbulence. Further, in this embodiment, a partition plate 8 is arranged in the box body 1, and the partition plate 8 separates the outlet of the water inlet pipeline 1a from the inlet of the water outlet pipeline 1b, so that the inlet water flow is prevented from disturbing the outlet water to cause pressure fluctuation.
In this embodiment, a drain line 1d1c is provided at the bottom of the tank 1, and a drain control valve 7 is provided on the outlet line 1b to control the opening and closing of the drain line 1d1c through the drain control valve 7.
In other embodiments of the present invention, the high resolution micro-pressure flow state pressure regulating device 100 further includes a regulating cavity and a sealing plug, the regulating cavity is disposed in a penetrating manner, one end of the regulating cavity is connected to the upper end of the box body 1, the sealing plug is in sealing sliding fit with the regulating cavity, and a spring is disposed between the outer end of the sealing plug and the regulating cavity, so that the pressure in the box body 1 can be controlled by controlling the elastic force of the spring to keep the pressure within a set range value.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A high resolution micro-pressure flow state pressure regulating device, comprising:
the water inlet pipeline is arranged at one side of the box body, the water outlet pipeline is arranged at the other side of the box body, and the air inlet pipeline is arranged at the upper end of the box body;
the water inlet control device is arranged on the water inlet pipeline and is used for controlling the flow of inlet water;
the water outlet control device is arranged on the water outlet pipeline and used for controlling water outlet;
the air inlet valve is arranged on the air inlet pipeline;
a pressure sensor for detecting a pressure inside the tank; and the number of the first and second groups,
and the water level meter is used for detecting the water level in the box body.
2. The high resolution micro-pressure flow regime pressure regulating device of claim 1, wherein the water ingress control device comprises:
the water inlet throttle valve is arranged on the water inlet pipeline; and the number of the first and second groups,
the electromagnetic water inlet valve is arranged on the water inlet pipeline and is positioned between the water inlet throttle valve and the box body.
3. The high resolution micro-pressure flow state pressure regulating device of claim 1, wherein the water outlet control device comprises:
and the electromagnetic water outlet valve is arranged on the water outlet pipeline.
4. The high resolution micro-pressure flow regime pressure regulating device of claim 1, wherein the water inlet line and the water outlet line are disposed on opposite sides of the tank.
5. The high resolution micro-pressure flow state pressure regulating device according to claim 4, wherein a partition is provided in the tank, the partition blocking an outlet of the water inlet pipe from an inlet of the water outlet pipe.
6. The high resolution micro-pressure flow regime pressure regulating device of claim 1, wherein a drain line is provided on a bottom of the tank, and a drain control valve is provided on the drain line.
7. The high resolution micro-pressure flow regime pressure regulating device of claim 1, further comprising:
the adjusting cavity is arranged in a penetrating manner, and one end of the adjusting cavity is connected with the upper end of the box body; and the number of the first and second groups,
and the sealing plug is in sealing sliding fit with the adjusting cavity, and a spring is arranged between the outer end of the sealing plug and the adjusting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110236875.1A CN112835390A (en) | 2021-03-03 | 2021-03-03 | High-resolution micropressure flow state pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110236875.1A CN112835390A (en) | 2021-03-03 | 2021-03-03 | High-resolution micropressure flow state pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112835390A true CN112835390A (en) | 2021-05-25 |
Family
ID=75934457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110236875.1A Pending CN112835390A (en) | 2021-03-03 | 2021-03-03 | High-resolution micropressure flow state pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112835390A (en) |
-
2021
- 2021-03-03 CN CN202110236875.1A patent/CN112835390A/en active Pending
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| CB03 | Change of inventor or designer information |
Inventor after: Yao Bin Inventor after: Sun Gaohua Inventor after: Tian Xiaoli Inventor before: Sun Gaohua Inventor before: Yao Bin Inventor before: Tian Xiaoli |
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