CN208171357U - A kind of small micro-flow measurement device of liquid - Google Patents
A kind of small micro-flow measurement device of liquid Download PDFInfo
- Publication number
- CN208171357U CN208171357U CN201820600328.0U CN201820600328U CN208171357U CN 208171357 U CN208171357 U CN 208171357U CN 201820600328 U CN201820600328 U CN 201820600328U CN 208171357 U CN208171357 U CN 208171357U
- Authority
- CN
- China
- Prior art keywords
- oil
- gauge line
- flow measurement
- measurement device
- small micro
- 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.)
- Active
Links
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of small micro-flow measurement devices of liquid, including testboard, being fixedly connected sequentially from left to right on testboard has low level fuel tank and engine, gauge line is equipped between low level fuel tank and engine, fixing groove is offered on testboard, gauge line is connected in fixing groove by clamping apparatus, gauge line successively offers oil inlet and oil spilling mouth from top to bottom along the vertical direction on the side wall of upper end, oil inlet is connected with oil inlet pipe, the other end of oil inlet pipe extends in low level fuel tank, oil pump is installed in oil inlet pipe, oil spilling mouth is connected with oil spill pipe, the other end of oil spill pipe extends in low level fuel tank, liquid level sensor and lower liquid level sensor are sequentially installed on the inside middle portion wall of gauge line along the vertical direction, timer is fixedly connected on the middle part lateral wall of gauge line.The utility model structure is simple, easy to operate, and Automatic survey degree is relatively high, and workload is small, and work efficiency is high.
Description
Technical field
The utility model relates to small micro-flow measurement technical field more particularly to a kind of small micro-flow measurement devices of liquid.
Background technique
The sensing of the flow sensor for the rotator type that conventional engines testboard generally uses and various other measurement methods
Device all can not carry out Accurate Determining to small micro internal combustion engine.Because the fuel consumption of small micro internal combustion engine is very low, especially
It is that fuel flow is minimum in the case where underload, conventional flow sensor 0.1ml per second flow below can not almost be surveyed
It is fixed.
When being measured to this small micrometeor, wide model is measured using mass method, i.e., through quality determination come between
Connect the consumption of fuel oil in measurement certain time.Time-consuming for this method, practical application get up it is extremely inconvenient, while by with internal combustion engine
When being difficult to long period holding same operating, by the influence with external environment variable, also essence has rung measurement to bring accumulated error
Precision.Automatic survey degree is relatively low, heavy workload, and working efficiency is low.
Utility model content
Purpose of the utility model is to solve Automatic survey degree in the prior art is relatively low, heavy workload, work
The problem of making inefficiency, and the small micro-flow measurement device of a kind of liquid proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of small micro-flow measurement device of liquid, including testboard are fixedly connected sequentially from left to right on the testboard
There are low level fuel tank and engine, gauge line is equipped between the low level fuel tank and engine, offers fixation on the testboard
Slot, the gauge line are connected in fixing groove by clamping apparatus, the gauge line on the side wall of upper end along the vertical direction
Oil inlet and oil spilling mouth are successively offered from top to bottom, and the oil inlet is connected with oil inlet pipe, and the other end of the oil inlet pipe prolongs
Extend in low level fuel tank, oil pump be installed in the oil inlet pipe, the oil spilling mouth is connected with oil spill pipe, the oil spill pipe it is another
End extend in low level fuel tank, be sequentially installed with along the vertical direction on the inside middle portion wall of the gauge line liquid level sensor and
Lower liquid level sensor is fixedly connected with timer, side of the gauge line close to lower end on the middle part lateral wall of the gauge line
Oil outlet and oil return opening are offered on wall, flowline is connected on the oil outlet, and the other end connection of the flowline is started
Machine is equipped with carburetor in the flowline, oil return pipe is connected on the oil return opening, the other end of the oil return pipe is connected to
On engine.
Preferably, support column is fixedly connected between the low level fuel tank and gauge line, the upper end of support column is close to meter
LED illumination lamp is installed on the side wall of the side of buret, ccd sensor, the CCD are installed on the inner sidewall of the gauge line
The output end of sensor is connected with ccd signal by conducting wire and handles conversion and control plate, and the ccd signal processing conversion and control plate is solid
Surely it is connected on testboard.
Preferably, the clamping apparatus includes two arrival slots, and two arrival slots are symmetrically provided with the corresponding groove of fixing groove
On wall, the slot bottom of the arrival slot is fixedly connected with spring, and the other end of the spring is fixedly connected with support block, and the support block is separate
One end of spring offsets with the corresponding side wall of gauge line.
Preferably, the support block is symmetrically connected with sliding block, the correspondence of the arrival slot on the side wall of spring one end position
Sliding slot is symmetrically offered on cell wall, the sliding block is slidably connected in corresponding sliding slot.
Preferably, the sliding block offers rolling groove close to one end of support block, and the interior of the rolling groove is equipped with the rolling rolled
Pearl, the ball extend outwardly far from one end of support block, and roll the slot bottom for being connected to sliding slot.
Preferably, the sphere diameter of the ball is greater than the slot diameter of rolling groove notch.
Preferably, the support block is arc close to the side of gauge line, and support block is connected with rubber close to the side of gauge line
Pad.
Preferably, the timer includes starting timer and stopping timer.
Preferably, the upper end tube nozzle hinge connection of the gauge line has pipe lid.
Compared with prior art, the utility model provides a kind of small micro-flow measurement device of liquid, has following beneficial
Effect：
1, the small micro-flow measurement device of the liquid, by the way that low level fuel tank, engine, gauge line, fixing groove, oil inlet is arranged
Mouth, oil spilling mouth, oil inlet pipe, oil pump, oil spill pipe, upper liquid level sensor, lower liquid level sensor, timer, oil outlet, oil return opening,
Oil inlet pipe and engine, when measuring system works, pump start is extracted into the oil of low level fuel tank in gauge line, when gauge line oil
When position reaches oil spilling mouth, oil plant is overflowed by oil spilling mouth, by the dynamic equilibrium of oil spilling and oil pump feed, keeps oil in gauge line
Invariant position, this just carries out operation preheating and related preparation to engine when being tested, while gauge line being made to establish oil level,
At this moment engine start runs to specified operating condition, and when needing to start measurement, engine operating condition is kept, and stops oil pump feed, this
When gauge line oil level begin to decline, when dropping to upper liquid level sensor, triggering timing device starts timing, and oil level continues to decline, under
When dropping to lower liquid level sensor, stop timing, measurement terminates, is measured by the elapsed time to known capacity, can be very
Easily extrapolate the fuel flow and oil consumption level under the operating condition.
2, the small micro-flow measurement device of the liquid passes through setting LED illumination lamp, ccd sensor and ccd signal processing conversion
Control panel, pump start make gauge line establish oil level, and at this moment engine start runs to specified operating condition, when needs start to measure
When, engine operating condition is kept, and stops oil pump feed, at this moment gauge line oil level is begun to decline, when liquid level drops to the light of LED illumination lamp
When below source region, by quickly changing with fuel oil occlusion area, (measurement fuel oil suitably dyes) ccd sensor can be captured quickly
To the speed of this variation, ccd signal processing conversion and control plate is passed the signal along to, gauge line sectional area is it is known that be multiplied by fuel oil
Pace of change can obtain measurement result quickly, this process can be controlled by computer and is automatically performed.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
Structure is simple, easy to operate, and Automatic survey degree is relatively high, and workload is small, and work efficiency is high.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of small micro-flow measurement device of liquid structural schematic diagram；
Fig. 2 be the utility model proposes a kind of small micro-flow measurement device of liquid on liquid level sensor and lower level sensing
The electrical block diagram of device and timer；
Fig. 3 is the enlarged drawing of part A in Fig. 1；
Fig. 4 is the enlarged drawing of part B in Fig. 1.
In figure：1 testboard, 2 low level fuel tanks, 3 engines, 4 gauge lines, 5 fixing grooves, 6 oil inlets, 7 oil spilling mouths, 8 oil inlets
Pipe, 9 oil pumps, 10 oil spill pipes, liquid level sensor, 12 lower liquid level sensors, 13 timers, 14 oil outlets, 15 oil return openings, 16 on 11
Flowline, 18 carburetors, 19 oil return pipes, 20 ccd sensors, 21 ccd signals processing conversion and control plate, 22 arrival slots, 23 springs,
24 support blocks, 25 sliding blocks, 26 sliding slots, 27 rolling grooves, 28 balls, 29 pipe lids, 30 support columns, 31 LED illumination lamps.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-4, the small micro-flow measurement device of a kind of liquid, including testboard 1, on testboard 1 from left to right successively
It is fixedly connected with low level fuel tank 2 and engine 3, gauge line 4 is equipped between low level fuel tank 2 and engine 3, is opened up on testboard 1
There is fixing groove 5, gauge line 4 is connected in fixing groove 5 by clamping apparatus, and gauge line 4 is on the side wall of upper end along vertical side
To oil inlet 6 and oil spilling mouth 7 is successively offered from top to bottom, oil inlet 6 is connected with oil inlet pipe 8, and the other end of oil inlet pipe 8 extends
To low level fuel tank 2, oil pump 9 is installed in oil inlet pipe 8, oil spilling mouth 7 is connected with oil spill pipe 10, and the other end of oil spill pipe 10 extends
To low level fuel tank 2, liquid level sensor 11 and lower liquid level are sequentially installed on the inside middle portion wall of gauge line 4 along the vertical direction
Sensor 12 is fixedly connected with timer 13 on the middle part lateral wall of gauge line 4, and gauge line 4 opens up on the side wall of lower end
There are oil outlet 14 and oil return opening 15, flowline 16 is connected on oil outlet 14, the other end of flowline 16 connects engine 3, out
Carburetor 18 is installed in oil pipe 16, oil return pipe 19 is connected on oil return opening 15, the other end of oil return pipe 19 is connected to engine
On 3, when measuring system works, oil pump opens 9 and moves, and the oil of low level fuel tank 2 is extracted into gauge line 4, overflows when 4 oil level of gauge line reaches
When hydraulic fluid port 7, oil plant is overflowed by oil spilling mouth 7, by the dynamic equilibrium of oil spilling 7 and 9 fuel feeding of oil pump, keeps oil level in gauge line 4
Constant, this just carries out operation preheating and related preparation to engine 3 when being tested, while gauge line 4 being made to establish oil level,
At this moment the starting of engine 3 runs to specified operating condition, and when needing to start measurement, 3 operating condition of engine is kept, and stops 9 fuel feeding of oil pump,
At this moment 4 oil level of gauge line is begun to decline, and when dropping to upper liquid level sensor 11, triggering timing device 13 starts timing, and oil level continues
Decline when dropping to lower liquid level sensor 12, stops timing, and measurement terminates, surveyed by the elapsed time to known capacity
It is fixed, it can very easily extrapolate fuel flow and oil consumption level under the operating condition.
Support column 30 is fixedly connected between low level fuel tank 2 and gauge line 4,30 upper end of support column is close to the one of gauge line 4
LED illumination lamp 31 is installed on the side wall of side, ccd sensor 20 is installed on the inner sidewall of gauge line 4, ccd sensor 20
Output end is connected with ccd signal by conducting wire and handles conversion and control plate 21, and ccd signal processing conversion and control plate 21 is fixedly connected on
On testboard 1, oil pump opens 9 and moves, and gauge line 4 is made to establish oil level, and the at this moment starting of engine 3 runs to specified operating condition, when needs are opened
When beginning to measure, 3 operating condition of engine is kept, and stops 9 fuel feeding of oil pump, at this moment 4 oil level of gauge line is begun to decline, when liquid level drops to LED
When below the source region of headlamp 31, by quickly changing with fuel oil occlusion area, measurement fuel oil suitably dyes ccd sensor
20 can quickly capture the speed of this variation, pass the signal along to CCD signal processing conversion and control plate 21, measure tube section
Product can obtain measurement result it is known that be multiplied by fuel oil pace of change quickly, this process can be controlled by computer and is automatically performed.
Clamping apparatus includes two arrival slots 22, and two arrival slots 22 are symmetrically provided on the correspondence cell wall of fixing groove 5, arrival slot 22
Slot bottom be fixedly connected with spring 23, the other end of spring 23 is fixedly connected with support block 24, the one end of support block 24 far from spring 23
It offsets with the corresponding side wall of gauge line 4, gauge line 4 is connected and fixed.
Support block 24 is symmetrically connected with sliding block 25 on the side wall of 23 1 end position of spring, right on the correspondence cell wall of arrival slot 22
Title offers sliding slot 26, and sliding block 25 is slidably connected in corresponding sliding slot 26, prevents support block 24 from popping up arrival slot 22 by spring 23.
Sliding block 25 offers rolling groove 27 close to one end of support block 24, and the interior of rolling groove 27 is equipped with the ball 28 rolled, rolling
Pearl 28 extends outwardly far from one end of support block 24, and rolls the slot bottom for being connected to sliding slot 26, is rolled by ball 28, reduces cunning
Frictional force when block 24 moves in sliding slot 26.
The sphere diameter of ball 28 is greater than the slot diameter of 27 notch of rolling groove, prevents ball 28 from rolling out from rolling groove 27.
Support block 24 is arc close to the side of gauge line 4, and the contact being more bonded with gauge line 4, support block 24 is close to gauge line 4
Side be connected with rubber pad, prevent support block 24 spring 23 elastic force effect under directly impinge on gauge line 4, to metering
Pipe 4 causes to damage.
Timer 13 includes starting timer and stops timer, and starting timer passes through conducting wire and upper liquid level by conducting wire
The connection of 11 signal of sensor stops timer and connect with lower 12 signal of liquid level sensor.
The upper end tube nozzle hinge connection of gauge line 4 has pipe lid 29, prevents dust from falling into gauge line 4.
In the utility model, when measuring system works, oil pump opens 9 and moves, and the oil of low level fuel tank 2 is extracted into gauge line 4, when
When 4 oil level of gauge line reaches oil spilling mouth 7, oil plant is by the spilling of oil spilling mouth 7, by the dynamic equilibrium of oil spilling 7 and 9 fuel feeding of oil pump,
Keep oil level in gauge line 4 constant, this just carries out operation preheating and related preparation to engine 3 when being tested, simultaneously
Gauge line 4 is set to establish oil level, the at this moment starting of engine 3 runs to specified operating condition, when needing to start measurement, 3 operating condition of engine
It keeps, stops 9 fuel feeding of oil pump, at this moment 4 oil level of gauge line is begun to decline, when dropping to upper liquid level sensor 11, triggering timing device
13 start timing, and oil level continues to decline, and when dropping to lower liquid level sensor 12, stop timing, measurement terminates, by known appearance
The elapsed time of amount is measured, and can very easily extrapolate fuel flow and oil consumption level under the operating condition；Oil pump opens 9
It is dynamic, so that gauge line 4 is established oil level, the at this moment starting of engine 3 runs to specified operating condition, when needing to start measurement, 3 work of engine
Condition is kept, and stops 9 fuel feeding of oil pump, at this moment 4 oil level of gauge line is begun to decline, when liquid level drops to the source region of LED illumination lamp 31
When following, by quickly changing with fuel oil occlusion area, (measurement fuel oil suitably dyes) ccd sensor 20 can quickly capture this
The speed of variation passes the signal along to ccd signal processing conversion and control plate 21, and gauge line sectional area is it is known that be multiplied by fuel oil variation
Speed can obtain measurement result quickly, this process can be controlled by computer and is automatically performed.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of small micro-flow measurement device of liquid, including testboard (1), which is characterized in that from left past on the testboard (1)
The right side, which is fixedly connected sequentially, low level fuel tank (2) and engine (3), and metering is equipped between the low level fuel tank (2) and engine (3)
It manages (4), is offered fixing groove (5) on the testboard (1), the gauge line (4) is connected to fixing groove (5) by clamping apparatus
In, the gauge line (4) successively offers oil inlet (6) and oil spilling mouth on the side wall of upper end from top to bottom along the vertical direction
(7), the oil inlet (6) is connected with oil inlet pipe (8), and the other end of the oil inlet pipe (8) extends in low level fuel tank (2), institute
State and be equipped with oil pump (9) in oil inlet pipe (8), the oil spilling mouth (7) is connected with oil spill pipe (10), the oil spill pipe (10) it is another
End extends in low level fuel tank (2), is sequentially installed with liquid level biography on the inside middle portion wall of the gauge line (4) along the vertical direction
Sensor (11) and lower liquid level sensor (12) are fixedly connected with timer (13), institute on the middle part lateral wall of the gauge line (4)
It states gauge line (4) and offers oil outlet (14) and oil return opening (15) on the side wall of lower end, connected on the oil outlet (14)
Have flowline (16), the other end of the flowline (16) connects engine (3), is equipped with carburetor in the flowline (16)
(18), it is connected with oil return pipe (19) on the oil return opening (15), the other end of the oil return pipe (19) is connected to engine (3)
On.
2. the small micro-flow measurement device of a kind of liquid according to claim 1, which is characterized in that the low level fuel tank (2)
It is fixedly connected between gauge line (4) support column (30), the side of side of support column (30) upper end close to gauge line (4)
It is equipped on wall LED illumination lamp (31), is equipped with ccd sensor (20) on the inner sidewall of the gauge line (4), the CCD is passed
The output end of sensor (20) is connected with ccd signal processing conversion and control plate (21), the ccd signal processing conversion control by conducting wire
Making sheet (21) is fixedly connected on testboard (1).
3. the small micro-flow measurement device of a kind of liquid according to claim 1, which is characterized in that the clamping apparatus includes
Two arrival slots (22), two arrival slots (22) are symmetrically provided on the correspondence cell wall of fixing groove (5), the slot of the arrival slot (22)
Bottom is fixedly connected with spring (23), and the other end of the spring (23) is fixedly connected with support block (24), and the support block (24) is separate
One end of spring (23) offsets with the corresponding side wall of gauge line (4).
4. the small micro-flow measurement device of a kind of liquid according to claim 3, which is characterized in that the support block (24) is close
It is symmetrically connected with sliding block (25) on the side wall of (23) one end position of spring, is symmetrically offered on the correspondence cell wall of the arrival slot (22)
Sliding slot (26), the sliding block (25) are slidably connected in corresponding sliding slot (26).
5. the small micro-flow measurement device of a kind of liquid according to claim 4, which is characterized in that the sliding block (25) is close
One end of support block (24) offers rolling groove (27), and the interior of the rolling groove (27) is equipped with the ball (28) rolled, the ball
(28) one end far from support block (24) extends outwardly, and rolls the slot bottom for being connected to sliding slot (26).
6. the small micro-flow measurement device of a kind of liquid according to claim 5, which is characterized in that the ball of the ball (28)
Diameter is greater than the slot diameter of rolling groove (27) notch.
7. the small micro-flow measurement device of a kind of liquid according to claim 3, which is characterized in that the support block (24) is close
The side of gauge line (4) is arc, and support block (24) is connected with rubber pad close to the side of gauge line (4).
8. the small micro-flow measurement device of a kind of liquid according to claim 1, which is characterized in that timer (13) packet
It includes starting timer and stops timer.
9. the small micro-flow measurement device of a kind of liquid according to claim 1, which is characterized in that the gauge line (4)
Upper end tube nozzle hinge connection has pipe lid (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600328.0U CN208171357U (en) | 2018-04-25 | 2018-04-25 | A kind of small micro-flow measurement device of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820600328.0U CN208171357U (en) | 2018-04-25 | 2018-04-25 | A kind of small micro-flow measurement device of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208171357U true CN208171357U (en) | 2018-11-30 |
Family
ID=64370656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820600328.0U Active CN208171357U (en) | 2018-04-25 | 2018-04-25 | A kind of small micro-flow measurement device of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208171357U (en) |
-
2018
- 2018-04-25 CN CN201820600328.0U patent/CN208171357U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101858854B (en) | Spirit identifying system based on volatizing control and visualized array sensor | |
| RU2299322C1 (en) | Method for oil and gas-condensate well production measurement in air-tight oil collection systems | |
| CN208171357U (en) | A kind of small micro-flow measurement device of liquid | |
| CN208297506U (en) | Moisture on-line monitors system in a kind of oil liquid | |
| CN201650537U (en) | Microcomputer high-precision fuel-measuring test-bed for fuel injection pump | |
| CN208290968U (en) | A kind of metering apparatus for oil quantty | |
| CN202330293U (en) | White spirit identification device based on visualization array sensor | |
| CN217404062U (en) | Device for automatically weighing and testing viscosity of Martin funnel | |
| CN103850850A (en) | Flow gauge for detecting circular fuel-injection quantity of oil injector of high-pressure common rail system of diesel engine | |
| CN202266356U (en) | Microcomputer high-precision gauging digital-display oil injection pump test bed | |
| CN212429168U (en) | Water pump lift flow testing device | |
| CN104089754A (en) | Method and device for capturing bubble polymerization process | |
| CN209820589U (en) | Liquid flowmeter check out test set | |
| CN201212393Y (en) | Weighing type oil well metering device | |
| CN206848221U (en) | It is used for the device for checking flow index of correlation in a kind of liquid chromatograph calibrating | |
| CN105371928B (en) | The measurement method of continuous metering fluid flowmeter | |
| CN108105079A (en) | A kind of oil pump testing device | |
| CN208239078U (en) | A kind of engine cool water route multi-parameters test device | |
| SU1671149A3 (en) | Cyclone for separating powder material from air or gas flow | |
| CN209084747U (en) | Coal burning metering device before a kind of Boiler Furnace | |
| CN107064393B (en) | It is used for the device for checking flow index of correlation in a kind of liquid chromatograph calibrating | |
| CN205192906U (en) | Online oil viscosity detection appearance | |
| CN201096692Y (en) | Testing device for easy measuring onsite percent content of oxygen | |
| CN116929749B (en) | Detection device for electronic expansion valve | |
| CN203965330U (en) | Grain unstrained spirits acidity automatic checkout equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |