CN204202669U - Low boiling fuel oil consumption test macro - Google Patents

Low boiling fuel oil consumption test macro Download PDF

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Publication number
CN204202669U
CN204202669U CN201420685350.1U CN201420685350U CN204202669U CN 204202669 U CN204202669 U CN 204202669U CN 201420685350 U CN201420685350 U CN 201420685350U CN 204202669 U CN204202669 U CN 204202669U
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China
Prior art keywords
oil
fuel
enclosure
low boiling
type
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Withdrawn - After Issue
Application number
CN201420685350.1U
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Chinese (zh)
Inventor
张强
史振盛
李国祥
王桂华
李孟涵
韩奎超
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Shandong University
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Shandong University
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Priority to CN201420685350.1U priority Critical patent/CN204202669U/en
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Publication of CN204202669U publication Critical patent/CN204202669U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of low boiling fuel oil consumption test macro, in order to improve the measurement problem of gas-liquid two-phase fuel oil consumption.This system comprises tanks, oil consumption testing device and engine, and oil consumption testing device comprises enclosure-type device, is provided with measuring cup in enclosure-type device, and the bottom of measuring cup is connected with balance by the flexible sealing diaphragm being positioned at enclosure-type bottom of device; Balance is provided with laser testing device, and laser testing device is cascaded by signal processing module and display module; Enclosure-type device is also provided with oil sources oil inlet pipe and engine oil inlet pipe, and oil sources oil inlet pipe inserts in measuring cup.Low boiling fuel is utilized constantly to vaporize in enclosure-type device, and the vapour pressure that reaches capacity, the low boiling fuel entered subsequently in described measuring cup keeps liquid under normal temperature, saturated vapour pressure condition, the fuel consumption values of low boiling liquid fuel can be measured, measure accurately, system reliability is high and fuel leakage rate is low.

Description

Low boiling fuel oil consumption test macro
Technical field
The utility model relates to technical field of internal combustion engines, particularly relates to a kind of measurement low boiling internal combustion engine liquid fuel oil consumption test macro.
Background technology
Low boiling fuel is gaseous state under normal temperature, normal pressure, and internal combustion engine needs measurement quality consumption during research experiment.The measuring method existed at present mainly contains two kinds: weight method and Coriolis flowmeter method are measured.
Weight method is placed on scale by low boiling fuel, carrys out the consumption of computing fuel by the difference of low boiling tanks weight in the unit of account time.The method is relatively simple for structure, and shortcoming is that the single measurement oil consumption used time is longer, can not transient measurement, and measuring result error is large.
Coriolis flowmeter measuring method increases pressure by passing into gases at high pressure (as nitrogen) to low boiling tanks to low boiling fuel, makes it keep liquid, liquid fuel is pressed into fuel system simultaneously, measures the consumption of low boiling fuel with fuel contents gauge.The shortcoming of this kind of method needs increase gas cylinder, and bulky, system pressure reaches more than 16bar, easily causes seal to reveal; Liquid nitrogen incorporates in engine fuel oil system and easily causes cavitation pitting, and engine operation is unstable.
Utility model content
The purpose of this utility model be in order to exist when overcoming in prior art and adopt weight method the single measurement oil consumption used time longer, can not transient measurement, measuring result error large and adopt to exist during Coriolis flowmeter measuring method and need to increase gas cylinder, cause the defects such as seal leakage, a kind of low boiling internal combustion engine liquid fuel oil consumption test macro with sealed construction is provided.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of low boiling fuel oil consumption test macro, comprise tanks, oil consumption testing device and engine, described oil consumption testing device comprises enclosure-type device, be provided with measuring cup in described enclosure-type device, the bottom of described measuring cup is connected with balance by the flexible sealing diaphragm being positioned at enclosure-type bottom of device;
Described balance is provided with laser testing device, and described laser testing device is cascaded by signal processing module and display module;
Described enclosure-type device is also provided with oil sources oil inlet pipe interface and engine oil inlet interface tube, and one end of oil sources oil inlet pipe adapter is all inserted in measuring cup by engine oil inlet interface tube by one end of oil sources oil inlet pipe interface and the first engine oil inlet pipe.
Described enclosure-type device is also provided with exhaust-valve.
Described tanks is connected with engine with the oil consumption testing device of parallel connection by T-valve;
The other end of described oil sources oil inlet pipe is connected with tanks by T-valve with the first engine oil inlet pipe other end.
Adopt the method for low boiling fuel oil consumption test system and test fuel consumption values: (1) first, makes low boiling fuel flow in the measuring cup described enclosure-type device from tanks; (2) then, in enclosure-type device, low boiling fuel is constantly vaporized, and the vapour pressure that reaches capacity, the low boiling fuel entered subsequently in described measuring cup keeps liquid under normal temperature, saturated vapour pressure condition; (3) now fuel shutoff tank leads to the second engine oil inlet pipe of engine and the oil sources oil inlet pipe of described packoff measuring cup, and the fuel in an engine consumption cup, can measure the fuel consumption values of low boiling liquid fuel.
In described step (1), regulating three-way valve makes low boiling fuel flow in the measuring cup enclosure-type device from tanks, fuel is filled to measuring cup, keep the on-state of tanks and the second engine oil inlet pipe to make normal working of engine simultaneously, and cut off the path that oil consumption testing device leads to the first engine oil inlet pipe.
In described step (3), balance is adopted to record the quality of liquid fuel in measuring cup, laser testing device is used for accurately recording the reading of balance, and signal processing module can obtain fuel consumption values by calculating laser testing device data, and the fuel consumption values that signal processing module obtains is presented on display module.
The beneficial effects of the utility model are: test system structure of the present utility model is simple, and easy to operate, the single measurement oil consumption used time is short, and accurately, system reliability is high, and slip is low in test.Test macro of the present utility model have employed the principle of saturated vapor pressure cleverly, make that test process is simple, data accuracy is high, solve in prior art to exist when adopting weight method the single measurement oil consumption used time longer, can not transient measurement, measuring result error large and adopt to exist during Coriolis flowmeter measuring method and need to increase gas cylinder, cause the defects such as seal leakage, for providing reliable accurately, the simple method of testing of a kind of testing result on internal combustion engine during research experiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the low boiling fuel oil consumption testing device in the utility model embodiment 1.
Fig. 2 is the structural representation of the low boiling fuel oil consumption test macro in the utility model embodiment 1.
Wherein, 1-tanks, 2-T-valve, 3-oil consumption testing device, 4-engine, 5-oil sources oil inlet pipe, 6.1-first engine oil inlet pipe, 6.2-second engine oil inlet pipe, 7-enclosure-type device, 8-measuring cup, 9-flexible sealing diaphragm, 10-exhaust-valve, 11-precision balance, 12-laser testing device, 13-signal processing module, 14-display module.
Embodiment
Embodiment 1
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2, a kind of low boiling fuel oil consumption test macro, comprises tanks 1, oil consumption testing device 3 and engine 4, and described tanks 1 is connected with engine 4 with the oil consumption testing device 3 of parallel connection by T-valve 2;
As shown in Figure 1, described oil consumption testing device 3, for measuring the Fuel Consumption of engine, comprise enclosure-type device 7, measuring cup 8 is provided with in described enclosure-type device 7, the bottom of described measuring cup 8 with for measuring the precision balance 11 of weight of oil in measuring cup 8, be connected to reduce by corrosion-resistant flexible sealing diaphragm 8 error that mechanical friction brings;
Described enclosure-type device 7 is provided with oil sources oil inlet pipe interface and engine oil inlet interface tube, and one end of oil sources oil inlet pipe 5 is all inserted in measuring cup 8 by one end of oil sources oil inlet pipe interface and the first engine oil inlet pipe 6.1 by engine oil inlet interface tube;
The other end of described oil sources oil inlet pipe 5 is connected with tanks 1 by T-valve with first engine oil inlet pipe 6.1 other end.
Described enclosure-type device 7 is provided with exhaust-valve 10, measures for the fuel vapour in emptying packoff after terminating, ensures security, such as dimethyl ether fuel.
Described precision balance 11 is provided with laser testing device 12, is used for accurately recording the reading of precision balance.
Described laser testing device 12 is connected with display module 14 by signal processing module 13, and described signal processing module 13 can obtain fuel consumption values by calculating laser testing device 12 data, and display module 14 is for the display of fuel consumption values.
The process of described low boiling fuel oil consumption test system and test fuel consumption values: regulating three-way valve 2 makes low boiling fuel flow in the measuring cup 8 described enclosure-type device 7 from tanks 1 to fill fuel to measuring cup, keep the on-state of tanks 1 and the second engine oil inlet pipe 6.2 to make normal working of engine simultaneously, and cut off the path that oil consumption testing device 3 leads to the first engine oil inlet pipe 6.1.In described enclosure-type device 7, low boiling fuel is constantly vaporized, and the vapour pressure that reaches capacity, the fuel of gaseous state is full of in whole enclosure-type device 7, and the low boiling fuel entered subsequently in described measuring cup 8 keeps liquid under normal temperature, saturated vapour pressure condition.Liquid level in measuring cup 8 arrive measuring cup 8 need range time, regulating three-way valve 2 fuel shutoff tank leads to the pipeline of packoff 7 and engine second oil inlet pipe 6.2, the fuel now in an engine consumption cup.Precision balance 11 is now adopted to record the quality of liquid fuel in measuring cup 8, laser testing device 12 is used for accurately recording the reading of precision balance, signal processing module 13 can obtain fuel consumption values by calculating laser testing device 12 data, and the fuel consumption values that signal processing module 13 obtains is presented on display module 14.
Test macro of the present utility model is simple relative to prior art structure, and accurately, system reliability is high and combustion leakage rate is low in test.
Test macro of the present utility model have employed the principle of saturated vapor pressure cleverly, make that method of testing is simple, data accuracy is high, solve in prior art to exist when adopting weight method the single measurement oil consumption used time longer, can not transient measurement, measuring result error large and adopt to exist during Coriolis flowmeter measuring method and need to increase gas cylinder, cause the defects such as seal leakage, for providing reliable accurately, the simple method of testing of a kind of testing result on internal combustion engine during research experiment.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.

Claims (4)

1. a low boiling fuel oil consumption test macro, comprises tanks, oil consumption testing device and engine, it is characterized in that:
Described oil consumption testing device comprises enclosure-type device, is provided with measuring cup in described enclosure-type device, and the bottom of described measuring cup is connected with balance by the flexible sealing diaphragm being positioned at enclosure-type bottom of device;
Described balance is provided with laser testing device, and described laser testing device is cascaded by signal processing module and display module;
Described enclosure-type device is also provided with oil sources oil inlet pipe interface and the first engine oil inlet interface tube, and one end of oil sources oil inlet pipe is inserted in measuring cup by the first engine oil inlet interface tube respectively by one end of oil sources oil inlet pipe interface and the first engine oil inlet pipe.
2. low boiling fuel oil consumption test macro as claimed in claim 1, is characterized in that: described enclosure-type device is also provided with exhaust-valve.
3. low boiling fuel oil consumption test macro as claimed in claim 1, is characterized in that: described tanks is connected with engine with the oil consumption testing device of parallel connection by T-valve.
4. low boiling fuel oil consumption test macro as claimed in claim 1, is characterized in that: the other end of described oil sources oil inlet pipe is connected with tanks by T-valve with the first engine oil inlet pipe other end.
CN201420685350.1U 2014-11-14 2014-11-14 Low boiling fuel oil consumption test macro Withdrawn - After Issue CN204202669U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420685350.1U CN204202669U (en) 2014-11-14 2014-11-14 Low boiling fuel oil consumption test macro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420685350.1U CN204202669U (en) 2014-11-14 2014-11-14 Low boiling fuel oil consumption test macro

Publications (1)

Publication Number Publication Date
CN204202669U true CN204202669U (en) 2015-03-11

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Application Number Title Priority Date Filing Date
CN201420685350.1U Withdrawn - After Issue CN204202669U (en) 2014-11-14 2014-11-14 Low boiling fuel oil consumption test macro

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374442A (en) * 2014-11-14 2015-02-25 山东大学 Oil consumption testing system and method for low-boiling-point fuel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374442A (en) * 2014-11-14 2015-02-25 山东大学 Oil consumption testing system and method for low-boiling-point fuel
CN104374442B (en) * 2014-11-14 2016-09-07 山东大学 Low boiling fuel oil consumption test system and method

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20150311

Effective date of abandoning: 20160907

C25 Abandonment of patent right or utility model to avoid double patenting