CN109357885A - A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle - Google Patents
A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle Download PDFInfo
- Publication number
- CN109357885A CN109357885A CN201811302101.9A CN201811302101A CN109357885A CN 109357885 A CN109357885 A CN 109357885A CN 201811302101 A CN201811302101 A CN 201811302101A CN 109357885 A CN109357885 A CN 109357885A
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- liquid
- pressure
- tank
- valve
- nozzle
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
Abstract
The present invention discloses a kind of discharge coefficient Intelligent Calibration system of multichannel nozzle, including intelligent control and acquisition system, air-channel system, liquid channel system, nozzle quick replacement device, Back pressure adjusting system；The air-channel system includes high-pressure air source, high pressure hand-operated stop valve, high-pressure gas circuit solenoid valve, intelligent control pressure reducer, tank safety valve, and the liquid channel system includes that tank unloads liquid hand valve, tank, liquid and adds row's hand valve, liquid main road solenoid valve, flowmeter and nozzle.Inlet pressure process control of the present invention, Simple detachable structure, can be realized quick-replaceable, disposably demarcate a variety of inlet pressure operating conditions, improve calibration efficiency；Existing liquid rocket thrust chamber head is evenly distributed with situation frequently with multiinjector, and multichannel nozzle is demarcated together, closer to actual conditions；It is demarcated suitable for fluid injector, gas nozzle；Inlet pressure process control is particularly suitable for the calibration of unsteady flow flow nozzle or the dynamic property of nozzle.
Description
Technical field
The present invention relates to the calibration of the discharge coefficient of nozzle, the discharge coefficient Intelligent Calibration system of specially a kind of multichannel nozzle
System.
Background technique
Nozzle is widely used in work, agricultural production, transport facility, and the various aspects of life, industrial furnace, pot
Nozzle must be used when furnace, thermodynamic device, civilian combustion apparatus liquid, gas and solid (powder) fuel, non-burning
Nozzle is also generally utilized in equipment, such as atomization, dry, removing surface and coating, Ferrous Metallurgy, agricultural pouring device and equipment
Spraying function.
In liquid rocket field, the spray atomization of nozzle is even more to directly affect combustibility, to influence rocket
Overall performance, therefore, it is necessary to the nozzle of liquid rocket, it is necessary to carry out discharge coefficient calibration, it is ensured that liquid rocket system high efficiency
Burning.
Existing liquid rocket system is equipped with frequently with multiinjector structure on large-scale liquid rocket system spray panel
Hundreds of nozzles, therefore, it is necessary to the discharge coefficient calibration system of multichannel nozzle targetedly be developed, in nozzle assembling advance rower
It is fixed, shorten the production cycle, improves production efficiency.
Summary of the invention
Technical problem solved by the invention is to provide a kind of discharge coefficient Intelligent Calibration system of multichannel nozzle, with solution
Disadvantage in certainly above-mentioned background technique.
Technical problem solved by the invention is realized using following technical scheme: a kind of discharge coefficient intelligence of multichannel nozzle
Energy calibration system, including intelligent control and acquisition system, air-channel system, liquid channel system, nozzle quick replacement device, backpressure regulation
System；
The intelligent control is realized the closed-loop control of liquid channel system tank pressure, is passed through by controlling the unlatching of solenoid valve
The opening and closing of tank intake solenoid valve, exhaust solenoid valve are controlled, realize tank pressure with set point change.
The acquisition system is used for each point pressure of acquisition system, flow.Acquisition system mainly includes pressure sensor, flow
The composition such as meter, signal adapter, capture card, computer.For pressure, the acquisition and preservation of the signal of flow, while data are done
Further analysis.
The air-channel system includes high-pressure air source, high pressure hand-operated stop valve, high-pressure gas circuit solenoid valve, intelligent control decompression
Device, tank safety valve, the high-pressure air source are sequentially connected the high pressure hand-operated stop valve and high-pressure gas circuit electromagnetism by pipeline
Valve, a high-pressure air source pressure gauge in parallel between the high-pressure gas circuit solenoid valve and intelligent control pressure reducer,
The liquid channel system include tank unload liquid hand valve, tank, liquid add row hand valve, liquid main road solenoid valve, flowmeter and
Nozzle, the tank unload liquid hand valve and are mounted on the inlet pipeline of the tank, and it is described that the liquid adds row's hand valve to be mounted on
On the liquid discharge tube road of tank, the liquid main road solenoid valve, the flow are installed between the tank and flowmeter
Several in parallel described nozzles on the outlet of meter, be installed in series on each nozzle a liquid branch solenoid valve, institute
The liquid branch solenoid valve having is both connected on liquid back pressure chamber, and the exit of the liquid back pressure chamber is connected to an intelligent control
Counterbalance valve.
The Back pressure adjusting system is mainly intelligent control counterbalance valve, and spool is pintle formula structure, is entered by acquiring valve
Mouth pressure, when inlet pressure is higher than setting value, spool aperture increases；When inlet pressure is lower than setting value, spool aperture reduces.
In the present invention, further, a tank gas circuit is installed on the pipeline between the tank safety valve and tank
Pressure gauge.
In the present invention, the discouraged hand valve of a tank further, on the inlet of the tank is also installed.
In the present invention, further, the liquid, which adds, is installed with a tank fluid path pressure in another outlet for arranging hand valve
Table.
In the present invention, further, pressure gauge before a nozzle is also installed in another import of the flowmeter.
In the present invention, further, pressure gauge after a nozzle is installed on the liquid back pressure chamber.
Beneficial effects of the present invention:
1. inlet pressure process control, Simple detachable structure, can be realized quick-replaceable, a variety of entrance pressures are disposably demarcated
Power operating condition improves calibration efficiency；
2. existing liquid rocket thrust chamber head is evenly distributed with situation frequently with multiinjector, multichannel nozzle is demarcated together, closer
Actual conditions；
3. being suitable for fluid injector, gas nozzle is demarcated；
4. inlet pressure process control is particularly suitable for the calibration of unsteady flow flow nozzle or the dynamic property of nozzle.
Detailed description of the invention
Fig. 1 is attachment structure schematic diagram of the invention.
In figure:
1. high-pressure air source；2. high pressure hand-operated stop valve；3. high-pressure gas circuit solenoid valve；4. intelligent control pressure reducer；5. tank
Lose heart hand valve；6. tank safety valve；7. tank；8. tank unloads liquid hand valve；9. liquid main road solenoid valve；10. flowmeter；11. nozzle；
12. liquid branch solenoid valve；13. liquid back pressure chamber；14. intelligent control counterbalance valve；
P1. high-pressure air source pressure gauge；P2. tank airline pressure table；P3. tank fluid path pressure gauge；P4. pressure before nozzle
Table；P5. pressure gauge after nozzle.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1, a kind of discharge coefficient Intelligent Calibration system of multichannel nozzle, including intelligent control and acquisition system,
Air-channel system, liquid channel system, nozzle quick replacement device, Back pressure adjusting system；
The air-channel system includes that high-pressure air source 1, high pressure hand-operated stop valve 2, high-pressure gas circuit solenoid valve 3, intelligent control subtract
Depressor 4, tank safety valve 6, the high-pressure air source 1 are sequentially connected the high pressure hand-operated stop valve 2 and high pressure gas by pipeline
Way solenoid valve 3, a high-pressure air source pressure gauge in parallel between the high-pressure gas circuit solenoid valve 3 and intelligent control pressure reducer 4
P1,
The liquid channel system include tank unload liquid hand valve 8, tank 7, liquid add row hand valve, liquid main road solenoid valve 9, flowmeter
10 and nozzle 11, the tank unload liquid hand valve 8 and be mounted on the inlet pipeline of the tank 7, the liquid add row hand valve peace
On the liquid discharge tube road of the tank 7, the liquid main road electromagnetism is installed between the tank 7 and flowmeter 10
Valve 9, several in parallel described nozzles 11 on the outlet of the flowmeter 10 are installed in series one on each nozzle 11
A liquid branch solenoid valve 12, all liquid branch solenoid valves 12 are both connected on liquid back pressure chamber 13, the liquid back pressure chamber 13
Exit be connected to an intelligent control counterbalance valve 14.One is installed on pipeline between the tank safety valve 6 and tank 7
A tank airline pressure table P2.One tank discouraged hand valve 5 is also installed on the inlet of the tank 7.The liquid adds row
One tank fluid path pressure gauge P3 is installed in another outlet of hand valve.One is also installed in another import of the flowmeter 10
Pressure gauge P4 before a nozzle.Pressure gauge P5 after one nozzle is installed on the liquid back pressure chamber 13.
The intelligent control is realized the closed-loop control of 7 pressure of liquid channel system tank, is led to by controlling the unlatching of solenoid valve
The opening and closing of control tank 7 intake solenoid valve, exhaust solenoid valve are crossed, realize 7 pressure of tank with set point change.
The acquisition system is used for each point pressure of acquisition system, flow.Acquisition system mainly includes pressure sensor, flow
The composition such as meter 10, signal adapter, capture card, computer.For pressure, the acquisition and preservation of the signal of flow, while to data
It is further analyzed.
The nozzle quick replacement device mainly includes pedestal, rubber seal and Quick Release spray head, and pedestal, rubber seal
It is connected between circle and Quick Release spray head using engagement thread, forms fast disassembly type sealing structure, humanized enhances installation and removal
Agility, the unarmed also achievable replacement under severe mounting condition.
The Back pressure adjusting system is mainly intelligent control counterbalance valve 14, and spool is pintle formula structure, by acquiring valve
Inlet pressure, when inlet pressure is higher than setting value, spool aperture increases；When inlet pressure is lower than setting value, spool aperture reduces.
The working principle of the invention and process for using: in the present invention, nozzle inlet pressure, nozzle outlet pressure can shift to an earlier date
Pass through program setting.Adjustment inlet pressure realizes that adjustment outlet pressure passes through intelligent control back pressure by intelligent control pressure reducer
Valve is realized.Inlet pressure is adjusted, can also be realized by controlling the switch of two way solenoid valves, all the way high pressure admission solenoid valve,
High pressure gas solenoid valve all the way is adjusted by the difference of measurement pressure and goal pressure come the open and close state of control valve
Pressure, outlet pressure adjustment, can also be realized by serving volume valve, i.e., by the pressure after control flow nozzle, will store
Liquid feeding, direct pure gas medium can not carry out the rating test of gas circuit nozzle to case.
Basic principles and main features and advantages of the present invention of the invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. the discharge coefficient Intelligent Calibration system of a kind of multichannel nozzle, it is characterized in that: including air-channel system and liquid channel system；
The air-channel system includes high-pressure air source (1), high pressure hand-operated stop valve (2), high-pressure gas circuit solenoid valve (3), intelligent control
Pressure reducer (4), tank safety valve (6), the high-pressure air source (1) are sequentially connected the high pressure hand-operated stop valve by pipeline
(2) and high-pressure gas circuit solenoid valve (3), in parallel one between the high-pressure gas circuit solenoid valve (3) and intelligent control pressure reducer (4)
A high-pressure air source pressure gauge (P1),
The liquid channel system include tank unload liquid hand valve (8), tank (7), liquid add row hand valve, liquid main road solenoid valve (9), flow
Meter (10) and nozzle (11), the tank unload liquid hand valve (8) and are mounted on the inlet pipeline of the tank (7), the liquid
Add row's hand valve to be mounted on the liquid discharge tube road of the tank (7), is equipped with one between the tank (7) and flowmeter (10)
A liquid main road solenoid valve (9), several in parallel described nozzles (11), Mei Gesuo on the outlet of the flowmeter (10)
The liquid branch solenoid valve (12) that is installed in series on nozzle (11) is stated, all liquid branch solenoid valves (12) are both connected to
On liquid back pressure chamber (13), the exit of the liquid back pressure chamber (13) is connected to an intelligent control counterbalance valve (14).
2. the discharge coefficient Intelligent Calibration system of a kind of multichannel nozzle according to claim 1, it is characterized in that: the tank
One tank airline pressure table (P2) is installed on the pipeline between safety valve (6) and tank (7).
3. the discharge coefficient Intelligent Calibration system of a kind of multichannel nozzle according to claim 1, it is characterized in that: the tank
(7) tank is also installed on inlet and loses heart hand valve (5).
4. the discharge coefficient Intelligent Calibration system of a kind of multichannel nozzle according to claim 1, it is characterized in that: the liquid
Add and a tank fluid path pressure gauge (P3) is installed in another outlet of row's hand valve.
5. the discharge coefficient Intelligent Calibration system of a kind of multichannel nozzle according to claim 1, it is characterized in that: the flow
It counts and pressure gauge (P4) before a nozzle is also installed in another import of (10).
6. the discharge coefficient Intelligent Calibration system of a kind of multichannel nozzle according to claim 1, it is characterized in that: the liquid is anti-
Pressure gauge (P5) after a nozzle is installed in pressure chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302101.9A CN109357885A (en) | 2018-11-02 | 2018-11-02 | A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302101.9A CN109357885A (en) | 2018-11-02 | 2018-11-02 | A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle |
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| CN109357885A true CN109357885A (en) | 2019-02-19 |
Family
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Family Applications (1)
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| CN201811302101.9A Withdrawn CN109357885A (en) | 2018-11-02 | 2018-11-02 | A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617170A (en) * | 2019-07-10 | 2019-12-27 | 西安成立航空制造有限公司 | Multi-nozzle flow measurement system and measurement method thereof |
| CN110646037A (en) * | 2019-11-22 | 2020-01-03 | 潍柴动力股份有限公司 | Gas nozzle flow calibration method and device |
| CN114147951A (en) * | 2021-11-29 | 2022-03-08 | 浙江大学 | Pneumatic multi-channel control system and method for multi-nozzle biological 3D printing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617170A (en) * | 2019-07-10 | 2019-12-27 | 西安成立航空制造有限公司 | Multi-nozzle flow measurement system and measurement method thereof |
| CN110646037A (en) * | 2019-11-22 | 2020-01-03 | 潍柴动力股份有限公司 | Gas nozzle flow calibration method and device |
| CN110646037B (en) * | 2019-11-22 | 2020-04-10 | 潍柴动力股份有限公司 | Gas nozzle flow calibration method and device |
| CN114147951A (en) * | 2021-11-29 | 2022-03-08 | 浙江大学 | Pneumatic multi-channel control system and method for multi-nozzle biological 3D printing system |
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Application publication date: 20190219 |