CN108759953A - A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply - Google Patents
A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply Download PDFInfo
- Publication number
- CN108759953A CN108759953A CN201810894988.9A CN201810894988A CN108759953A CN 108759953 A CN108759953 A CN 108759953A CN 201810894988 A CN201810894988 A CN 201810894988A CN 108759953 A CN108759953 A CN 108759953A
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- China
- Prior art keywords
- vacuum tank
- fuel consumption
- oil
- consumption meter
- fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 239000000446 fuel Substances 0.000 title claims abstract description 56
- 239000000872 buffer Substances 0.000 title claims abstract description 15
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 11
- 239000002828 fuel tank Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 48
- 239000000295 fuel oil Substances 0.000 abstract description 22
- 239000010761 intermediate fuel oil Substances 0.000 abstract description 5
- 238000013467 fragmentation Methods 0.000 abstract description 3
- 238000006062 fragmentation reaction Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 abstract description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply, including vacuum tank, the vacuum tank is connected by vacuum tank oil feed line with main fuel pipeline, and the vacuum tank is connected by fuel consumption meter oil feed line with fuel consumption meter oil inlet port；The first liquid level sensor and the second liquid level sensor are disposed in the side wall of the vacuum tank from bottom to top, the vacuum tank is located at the top of fuel consumption meter oil inlet port, the upper end of the vacuum tank is provided with breathing pipeline, and first switch solenoid valve is provided on the vacuum tank oil feed line；First liquid level sensor, the second liquid level sensor, first switch solenoid valve are electrically connected by A/D converter with main control computer.For the present invention by the setting of vacuum tank, the bubble in one side fuel oil can float in vacuum tank and fragmentation, is effectively reduced the bubbles volume into fuel consumption meter intermediate fuel oil, another aspect fuel oil can buffer the pressure oscillation in a part of pipeline under gravity.
Description
Technical field
The present invention relates to engine test facility technical fields, and in particular to a kind of fuel consumption meter input pressure of automatic liquid supply
Buffer unit.
Background technology
In power performance and the emission performance experiment of engine, fuel consumption always is engine development personnel
Make the important indicator of fuel delivery parameters amendment and evaluation of the economy.In general, fuel consumption is surveyed by fuel consumption instrument
Amount, therefore, the accuracy of fuel consumption meter and the consistency repeatedly measured will significantly influence engine test result.
At present in the configuration of the fuel oil delivery hardware facility of most enterprises engine testing room, fuel oil is generally stored in
In the buried tank with laboratory with certain distance, then by oil pump and Pipeline transport to the main oil pipe road in laboratory,
The fuel consumption meter of each engine pedestal powerhouse is connected by fuel oil branch with the main oil pipe road in laboratory.This configuration mode, is examined
Consider the isolation safe factor of fuel oil and personnel activity region, but has caused to contain bubble in fuel oil by the extension of pipeline road
And oil pump generates the fluctuation of pressure, the measuring element of fuel consumption meter will be directly passed to by oil circuit branch, to the essence of fuel consumption meter
The consistency of degree and measurement result influences huge.
Invention content
To solve the above problems, the present invention provides a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply, structure
Simply, combustion bubble in oil and compensator or trimmer pressure fluctuation can be removed, the measurement accuracy of fuel consumption meter is improved.
To achieve the above object, the technical solution that the present invention takes is：A kind of fuel consumption meter input pressure of automatic liquid supply is slow
Flushing device, including vacuum tank, the vacuum tank are connected by vacuum tank oil feed line with main fuel pipeline, and the vacuum tank is logical
Fuel consumption meter oil feed line is crossed with fuel consumption meter oil inlet port to be connected；Is disposed in the side wall of the vacuum tank from bottom to top
One liquid level sensor and the second liquid level sensor, the vacuum tank are located at the top of fuel consumption meter oil inlet port, the vacuum tank
Upper end is provided with breathing pipeline, and first switch solenoid valve is provided on the vacuum tank oil feed line；First level sensing
Device, the second liquid level sensor, first switch solenoid valve are electrically connected by A/D converter with main control computer.
As a preferred technical solution of the invention：The vacuum tank is connected by pipeline of draining the oil with fuel tank of draining the oil,
The drain line road is provided with second switch solenoid valve；It is provided with third level sensing above second liquid level sensor
Device；The second switch solenoid valve, third liquid level sensor are electrically connected by A/D converter with main control computer.
As a preferred technical solution of the invention：Described breathing pipeline one end is connected with vacuum tank, and the other end is logical
Piping interface is connected with dust cover and fuel tank of draining the oil respectively.
As a preferred technical solution of the invention：The dust cover is in inverted trapezoidal, and the side of the dust cover is arranged
There are multiple ventholes.
As a preferred technical solution of the invention：The first switch solenoid valve, second switch solenoid valve are normally closed
Solenoid valve, break-make are controlled by the voltage signal of 0~5V.
As a preferred technical solution of the invention：The bottom of the vacuum tank is big at a distance from fuel consumption meter oil inlet port
In 3m.
The invention has the advantages that：
1, by the setting of vacuum tank, the bubble in one side fuel oil can float in vacuum tank and fragmentation, effectively
Reduce the bubbles volume into fuel consumption meter intermediate fuel oil, another aspect fuel oil can buffer in a part of pipeline under gravity
Pressure oscillation.
2, the setting of the first liquid level sensor and the second liquid level sensor can monitor the fuel oil liquid in vacuum tank in real time
Position, can quickly be automatically replenished when fuel oil is reduced, and ensure that there is a certain amount of fuel oil in vacuum tank always is in standing shape
State.
3, the setting of third liquid level sensor can prevent vacuum tank from occurring oil-filled.
Description of the drawings
Fig. 1 is overall structure of the present invention；
In Fig. 1,1, vacuum tank, 2, vacuum tank oil feed line, 3, main fuel pipeline, 4, fuel consumption meter oil feed line, 5, oil consumption
Instrument oil inlet port, the 6, first liquid level sensor, the 7, second liquid level sensor, 8, breathing pipeline, 9, first switch solenoid valve, 10,
A/D converter, 11, main control computer, 12, pipeline of draining the oil, 13, fuel tank of draining the oil, 14, second switch solenoid valve, 15, third liquid level passes
Sensor, 16, pipe joint, 17, dust cover.
Specific implementation mode
In order to make objects and advantages of the present invention be more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
As shown in Figure 1, an embodiment of the present invention provides a kind of fuel consumption meter input pressure buffer units of automatic liquid supply, including
Vacuum tank 1, vacuum tank 1 are connected with main fuel pipeline 3 by vacuum tank oil feed line 2, are provided on vacuum tank oil feed line 2
First switch solenoid valve 9.Main fuel pipeline 3 intermediate fuel oil in laboratory has the initial pressure of 3bar or so.
Vacuum tank 1 is connected by fuel consumption meter oil feed line 4 with fuel consumption meter oil inlet port 5, vacuum tank 1 be located at fuel consumption meter into
The bottom of the top of oily port 5, vacuum tank 1 is more than 3m at a distance from fuel consumption meter oil inlet port 5 and after installation, vacuum tank
1 height remains unchanged, to keep the fuel pressure at oil inlet port 5 constant.
The upper end of vacuum tank 1 is provided with breathing pipeline 8, and fuel oil enters in vacuum tank 1, is statically placed in advance in vacuum tank 1,
Vacuum tank 1 is discharged in the gas after the bubble fragmentation in fuel oil by breathing pipeline 8, while can be utilized by high-order placement
The gravity for standing fuel oil itself buffers the fuel pressure fluctuation before entering fuel consumption meter, to realize to firing bubble in oil
And removal and the buffering purpose of pressure oscillation.
The first liquid level sensor 6 and the second liquid level sensor 7 are disposed in the side wall of vacuum tank 1 from bottom to top, the
The setting of one liquid level sensor 6 and the second liquid level sensor 7, can monitor the fuel liquid level in vacuum tank 1 in real time, subtract in fuel oil
It can be quickly automatically replenished when few, ensure that there is a certain amount of fuel oil always in vacuum tank is in static condition.Second liquid level
The top of sensor 7 is provided with third liquid level sensor 15, and the setting of third liquid level sensor 15 can prevent vacuum tank 1 from going out
It now crosses oil-filled.
Vacuum tank 1 is connected by pipeline 12 of draining the oil with fuel tank 13 of draining the oil, and second switch electricity is provided on pipeline 12 of draining the oil
Magnet valve 14；8 one end of breathing pipeline is connected with vacuum tank 1, the other end by pipe joint 16 respectively with dust cover 17 and drain the oil
Fuel tank 13 is connected.Dust cover 17 is in inverted trapezoidal, and the side of dust cover 17 is provided with multiple ventholes.
First liquid level sensor 6, the second liquid level sensor 7, first switch solenoid valve 9, second switch solenoid valve 14, third
Liquid level sensor 15 is connected by communication line with A/D converter 10, and A/D converter 10 can be by liquid level sensor, switch
The analog signal of solenoid valve is converted into digital signal and is controlled by controlling the control program in computer 11, controls computer 11
In control program have according to liquid level signal to the state of liquid level in vacuum tank 1 carry out indicator light show, judgement and split
Powered-down magnet valve sends out corresponding feedback control function；A/D converter 10 can believe the simulation of liquid level sensor, switch electromagnetic valve
It number is converted into digital signal, and is controlled by controlling the control program in computer 11, first switch solenoid valve 9, second open
Powered-down magnet valve 14 is normally closed solenoid valve, and break-make is controlled by the voltage signal of 0~5V.
The operation principle of the present invention is that：
Main fuel pipeline 3 intermediate fuel oil in laboratory has the initial pressure of 3bar or so, when first switch solenoid valve 9 is opened
When, the fuel oil in main fuel pipeline 3 is entered under the action of initial pressure by vacuum tank oil inlet pipe 2 in high-order steady
Tank 1 is pressed, the bubble in fuel oil floats after standing, and the air of the bubble generation of rupture passes sequentially through breathing pipeline 8 and is discharged into air, most
The fuel oil by buffering enters fuel consumption meter by fuel consumption meter oil feed line 4 eventually.
When the fuel liquid level in vacuum tank 1 is less than the position of the first liquid level sensor 6, the control journey in computer 11 is controlled
The signal of the first liquid level sensor of ordered pair 6 is judged, is executed the low malfunction coefficient of liquid level in a program and is passed through A/D converter pair
9 opening signal of first switch solenoid valve (5V voltages), first switch solenoid valve 9 is opened after receiving 5V voltage signals, vacuum tank 1
Execute oil-filled action；When 1 intermediate fuel oil liquid level of vacuum tank is higher than the position of the second liquid level sensor 7, the control in computer 11 is controlled
The signal of the second liquid level sensor of processing procedure ordered pair 7 is judged, is released the low malfunction coefficient of liquid level in a program and is converted by A/D
Device is to 9 shutdown signal of first switch solenoid valve (0V voltages), and first switch solenoid valve 9 is closed after receiving 0V signals, vacuum tank 1
Release oil-filled action.
When the first liquid level sensor 6, the second liquid level sensor 7 and first switch solenoid valve 9 occur abnormal, vacuum tank
1 will appear persistently oil-filled failure, when liquid level can be higher than the position of third liquid level sensor 15 in vacuum tank 1, control in computer 11
Control program the signal of third liquid level sensor 15 is judged, execute excessively oil-filled malfunction coefficient and pass through in a program
A/D converter 10 sends out 9 shutdown signal of first switch solenoid valve (0V voltages) and 14 opening signal of second switch solenoid valve (5V electricity
Pressure), second switch solenoid valve 14 is opened after receiving 5V signals, and extra fuel oil is transferred to fuel tank of draining the oil by pipeline 12 of draining the oil
In 12, reaching prevents the surge tank failure that excessively oil-filled or even fuel oil is leaked from 17 venthole of dust cover.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply, it is characterised in that：Including vacuum tank (1), the voltage stabilizing
Tank (1) is connected by vacuum tank oil feed line (2) with main fuel pipeline (3), and the vacuum tank (1) passes through fuel consumption meter fuel feed pump
Road (4) is connected with fuel consumption meter oil inlet port (5)；It is disposed with the first liquid from bottom to top in the side wall of the vacuum tank (1)
Level sensor (6) and the second liquid level sensor (7), the vacuum tank (1) is located at the top of fuel consumption meter oil inlet port (5), described
The upper end of vacuum tank (1) is provided with breathing pipeline (8), and first switch solenoid valve is provided on the vacuum tank oil feed line (2)
(9)；First liquid level sensor (6), the second liquid level sensor (7), first switch solenoid valve (9) pass through A/D converter
(10) it is electrically connected with main control computer (11).
2. a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply according to claim 1, it is characterised in that：It is described
Vacuum tank (1) is connected by pipeline of draining the oil (12) with fuel tank of draining the oil (13), and being provided with second on the pipeline of draining the oil (12) opens
Powered-down magnet valve (14)；It is provided with third liquid level sensor (15) above second liquid level sensor (7)；The second switch
Solenoid valve (14), third liquid level sensor (15) are electrically connected by A/D converter (10) with main control computer (11).
3. a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply according to claim 2, it is characterised in that：It is described
Breathing pipeline (8) one end is connected with vacuum tank (1), the other end by pipe joint (16) respectively with dust cover (17) and drain the oil
Fuel tank (13) is connected.
4. a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply according to claim 3, it is characterised in that：It is described
Dust cover (17) is in inverted trapezoidal, and the side of the dust cover (17) is provided with multiple ventholes.
5. a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply according to any one of claims 1 to 4, feature
It is：The first switch solenoid valve (9), second switch solenoid valve (14) are normally closed solenoid valve, the electricity that break-make passes through 0~5V
Press signal control.
6. a kind of fuel consumption meter input pressure buffer unit of automatic liquid supply according to any one of claims 1 to 4, feature
It is：The bottom of the vacuum tank (1) is more than 3m at a distance from fuel consumption meter oil inlet port (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894988.9A CN108759953A (en) | 2018-08-08 | 2018-08-08 | A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894988.9A CN108759953A (en) | 2018-08-08 | 2018-08-08 | A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108759953A true CN108759953A (en) | 2018-11-06 |
Family
ID=63969316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894988.9A Pending CN108759953A (en) | 2018-08-08 | 2018-08-08 | A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108759953A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2252331Y (en) * | 1995-04-28 | 1997-04-16 | 锦州电子应用技术研究所 | Single-well crude oil automatic control monitoring instrument |
| RU117002U1 (en) * | 2011-12-12 | 2012-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Самарский государственный университет путей сообщения" (СамГУПС) | DEVICE FOR MEASURING DIESEL FUEL CONSUMPTION |
| CN204101293U (en) * | 2014-07-29 | 2015-01-14 | 宁波吉利罗佑发动机零部件有限公司 | The gas and oil separating plant of engine fuel test |
| CN204493043U (en) * | 2015-02-27 | 2015-07-22 | 天津吉森机电设备工程有限公司 | A kind of marine fuel oil managing and control system |
| CN105181057A (en) * | 2015-09-28 | 2015-12-23 | 安徽江淮汽车股份有限公司 | Fuel spilling protection device for fuel consumption meter |
| CN206919949U (en) * | 2017-07-17 | 2018-01-23 | 上海同圆发动机测试设备有限公司 | A kind of oil-feed stable-pressure device in the measurement applied to engine consumption |
| CN208458811U (en) * | 2018-08-08 | 2019-02-01 | 无锡沃尔福汽车技术有限公司 | A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply |
-
2018
- 2018-08-08 CN CN201810894988.9A patent/CN108759953A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2252331Y (en) * | 1995-04-28 | 1997-04-16 | 锦州电子应用技术研究所 | Single-well crude oil automatic control monitoring instrument |
| RU117002U1 (en) * | 2011-12-12 | 2012-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Самарский государственный университет путей сообщения" (СамГУПС) | DEVICE FOR MEASURING DIESEL FUEL CONSUMPTION |
| CN204101293U (en) * | 2014-07-29 | 2015-01-14 | 宁波吉利罗佑发动机零部件有限公司 | The gas and oil separating plant of engine fuel test |
| CN204493043U (en) * | 2015-02-27 | 2015-07-22 | 天津吉森机电设备工程有限公司 | A kind of marine fuel oil managing and control system |
| CN105181057A (en) * | 2015-09-28 | 2015-12-23 | 安徽江淮汽车股份有限公司 | Fuel spilling protection device for fuel consumption meter |
| CN206919949U (en) * | 2017-07-17 | 2018-01-23 | 上海同圆发动机测试设备有限公司 | A kind of oil-feed stable-pressure device in the measurement applied to engine consumption |
| CN208458811U (en) * | 2018-08-08 | 2019-02-01 | 无锡沃尔福汽车技术有限公司 | A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181106 |