CN105571685B - Device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method - Google Patents
Device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method Download PDFInfo
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- CN105571685B CN105571685B CN201510938850.0A CN201510938850A CN105571685B CN 105571685 B CN105571685 B CN 105571685B CN 201510938850 A CN201510938850 A CN 201510938850A CN 105571685 B CN105571685 B CN 105571685B
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- liquid
- optical signal
- volumetric flow
- receiver
- fluid
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- 239000002828 fuel tank Substances 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 title claims abstract description 30
- 239000000446 fuel Substances 0.000 title claims abstract description 21
- 238000000691 measurement method Methods 0.000 title claims abstract description 14
- 239000003981 vehicle Substances 0.000 title abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 230000003287 optical effect Effects 0.000 claims abstract description 91
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 239000003380 propellant Substances 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 description 21
- 239000000295 fuel oil Substances 0.000 description 14
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000105 evaporative light scattering detection Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention provides a kind of device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method, which includes：Optical signal transmitter, optical signal transmitter measure light for the liquid propellant into liquid reserve tank；The bottom of fuel tank is arranged in catoptric arrangement, and catoptric arrangement is for being reflected into the intracorporal optical signal of liquid；Receiver, receiver are used to receive the optical signal for reflecting through catoptric arrangement and going out from liquid refracting；Processor, processor are connect with receiver, and processor determines the amount of liquid in liquid reserve tank according to through catoptric arrangement reflection and from the optical signal of liquid refracting out.The technical solution provided through the invention is able to solve the problem of measurement result inaccuracy in the prior art.
Description
Technical field
The present invention relates to liquid measure technical field, in particular to a kind of device for measuring volumetric flow of fluid, fuel tank, vehicle with
And fuel measurement method.
Background technique
Currently, slide bar is mainly put into oil with the float being arranged on slide bar for the oil measurement in automotive oil tank
In case, float changes with oil mass and is floated up and down, and how much oil meter can show oil mass by float variation.
When passing through float measurement fuel tank fuel quantity in the prior art, with slide bar frictional interference can occur for float, so affect
The accuracy of measurement, and float can be moved slowly by frictional influence, so that there are hysteresis qualitys for measurement result.
Summary of the invention
The present invention provides a kind of device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method, to solve in the prior art
Measurement result inaccuracy problem.
According to an aspect of the invention, there is provided a kind of device for measuring volumetric flow of fluid, including：Optical signal transmitter, optical signal
Transmitter measures light for the liquid propellant into liquid reserve tank；Catoptric arrangement, is arranged in the bottom of liquid reserve tank, and catoptric arrangement is used for
It is reflected into the intracorporal optical signal of liquid；Receiver, receiver are used to receive the light for reflecting through catoptric arrangement and going out from liquid refracting
Signal；Processor, processor are connect with receiver, and processor is according to the optical signal for reflecting through catoptric arrangement and going out from liquid refracting
Determine the amount of liquid in liquid reserve tank.
Further, optical signal transmitter includes：Signal transmitter unit, for emitting initial light；Energy-absorbing component, setting exist
In the optical path of initial light, for energy-absorbing component for reducing the energy of initial light, initial light is formed after energy-absorbing component measures light.
Further, energy-absorbing component includes dispersing lens.
Further, energy-absorbing component further includes：Plane reflection lens, be arranged in dispersing lens to liquid optical signal road
On diameter.
Further, energy-absorbing component further includes：Heat sink is arranged on the path of the light of plane reflection lens refraction.
Further, fuel tank includes cabinet and the flange that box opening is arranged in, and optical signal transmitter and receiver are all provided with
It sets on flange.
Further, the center line of signal transmitter unit is overlapped with the center line of dispersing lens, in plane reflection lens
The heart is located on the center line of signal transmitter unit.
Further, signal transmitter unit is laser.
According to an aspect of the invention, there is provided a kind of fuel tank, including device for measuring volumetric flow of fluid, device for measuring volumetric flow of fluid are upper
The device for measuring volumetric flow of fluid of offer is provided.
According to another aspect of the present invention, a kind of vehicle, including fuel tank are provided, fuel tank is the above-mentioned fuel tank provided.
According to another aspect of the present invention, a kind of fuel measurement method is provided, is filled by the liquid measure of above-mentioned offer
The amount of liquid of measurement liquid reserve tank is set, fuel measurement method includes sending light in the liquid of direction from liquid by optical signal transmitter
Signal；The optical signal for being reflected and being reflected out of liquid by the intracorporal catoptric arrangement of liquid is received by receiver；According to reflecting
Optical signal calculate liquid reserve tank in amount of liquid.
Further, the optical signal for being reflected by liquid internal reflection structure and being reflected out of liquid is received by receiver,
Obtain the location parameter of optical signal；The amount of liquid in liquid reserve tank is calculated according to location parameter.
Further, when there is no liquid in calibration liquid reserve tank in advance, the position for the optical signal that receiver receives, Yi Jibiao
When determining liquid reserve tank and being filled with liquid, the position for the optical signal that receiver receives；By the location parameter of the optical signal of measurement and in advance
The position of the optical signal of calibration is compared, and liquid height data are obtained；The amount of liquid of liquid reserve tank is calculated according to liquid height data.
It applies the technical scheme of the present invention, by the way that optical signal transmitter, catoptric arrangement and receiver are arranged in liquid reserve tank,
And be electrically connected receiver with processor, processor is calculated by the optical signal that receiver receives, you can get it liquid storage
Oil mass in case.The device for measuring volumetric flow of fluid provided through the invention can avoid contacting with other structures or liquid, reduce other knots
Influence of the structure to measurement result, and then can be improved the accuracy of amount of liquid detection；Also, carrying out detection by optical signal can
Improve Data Detection speed.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the device for measuring volumetric flow of fluid provided according to embodiments of the present invention；
Fig. 2 shows the structural schematic diagrams of optical signal transmitter in Fig. 1；
Fig. 3 shows the flow diagram of the fuel measurement method provided according to embodiments of the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, optical signal transmitter；11, signal transmitter unit；12, dispersing lens；13, plane reflection lens；14, it radiates
Plate；20, catoptric arrangement；30, receiver；40, flange；50, fuel level.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As described in Figure 1, the device for measuring volumetric flow of fluid of the present embodiment includes：Optical signal transmitter 10, catoptric arrangement 20, receiver
30 and processor.Wherein, in the present embodiment, which is fuel tank, and liquid is fuel oil.Optical signal transmitter 10 be used for
Fuel level 50 emits initial optical signal, and the setting of catoptric arrangement 20 is entered in fuel oil in tank bottoms by catoptric arrangement 20
Optical signal reflects fuel oil layer.Receiver 30 receives the optical signal for reflecting through catoptric arrangement 20 and reflecting from fuel oil layer concurrent
Processor is given, processor is tied by handling and calculating the initial optical signal data of the transmission of optical signal transmitter 10 and through reflection
The optical signal data that structure 20 is reflected and reflected from fuel level, and the specific geometry of fuel tank is combined, it can calculate fuel-displaced
Fuel Oil Remaining in case.Specifically, it is α that record optical signal transmitter 10, which sends optical signal to enter the incidence angle of fuel level, into
Refraction angle after entering fuel level is β, and level h, fluid change amount is △ h, as fluid change △ h, receiver 30
The distance of s can be moved by receiving the optical signal reflected by liquid level, it is possible thereby to which the relationship of △ h and s is calculated, then be calculated
When fuel tank is from full oil condition to the shift position relationship of no oil condition time point, the optical signal position when liquid level reflects can be obtained
The oil mass of fuel tank at this time can be calculated in conjunction with fuel tank volume in corresponding Height of oil when 30 a certain position of receiver.
Using the embodiment of fuel measurement device provided by the invention, by be arranged in fuel tank optical signal transmitter 10,
Catoptric arrangement 20 and receiver 30, and receiver 30 is electrically connected with processor, receiver 30 can be handled by processor connect
The optical signal received is computed the Fuel Oil Remaining that can be obtained in fuel tank.The device for measuring volumetric flow of fluid provided through the invention, in light
During 10 reflected light signal of signal projector and receiver 30 receive optical signal, no other structures interference can so subtract
Few influence of the other structures to measurement result, and then can be improved the accuracy of oil mass detection；Also, it is carried out using light as medium
Detection can be improved Data Detection speed, calculate oil mass variation can by processor in real time, and be shown to user.
In the present embodiment, optical signal transmitter 10 includes signal transmitter unit 11 and energy-absorbing component.Signal transmitting is single
Member 11 is for emitting initial light.Wherein, in order to avoid the optical signal that optical signal transmitter 10 issues has higher-energy, make fuel tank
It causes danger.Before the optical signal that optical signal transmitter 10 issues is radiated at fuel oil, signal transmitting is reduced by energy-absorbing component
The energy for the optical signal that unit 11 emits to fuel oil.It is measurement light that initial light is formed after energy-absorbing component.
Specifically, which includes dispersing lens 12.Wherein, dispersing lens 12 setting signal transmitter unit 11 to
On the path of the optical signal of fuel oil transmitting.By 12 scattered light signal of dispersing lens, to reduce the optical signal being radiated on fuel oil
Energy.Wherein, according to the needs of use, settable multiple groups dispersing lens 12, the light beam that will be issued by signal transmitter unit 11
It is dispersed into biggish hot spot, to reduce the energy of the optical signal absorbed in oil liquid unit volume.
In the present embodiment, which further includes plane reflection lens 13.Wherein, which is arranged
On the path of the optical signal of dispersing lens 12 to fuel oil.Specifically, can be set as needed multiple groups plane reflection lens 13 with
It is further reduced the energy of optical signal.Incident optical signal can be divided into reflected light and refraction light by the plane reflection lens 13,
In, in order to be further reduced enter fuel oil when optical signal energy, can adjust plane reflection lens 13 angle so that reflection
Illumination enters in fuel oil, and refraction illumination is mapped to other places.
Specifically, which further includes heat sink 14, by being arranged heat sink 14 in 13 folding of plane reflection lens
On the path for the optical signal penetrated, the energy accumulating that can be avoided refraction light is excessively high, makes to generate excessive temperature in fuel tank, wherein dissipate
Hot plate 14 can be bonded with the inner wall of fuel tank, disperse the heat of heat sink 14 by thermally conductive mode.
In the present embodiment, for the ease of installation optical signal transmitter 10 and receiver 30, by 10 He of optical signal transmitter
Receiver 30 is arranged on the flange 40 of tank body of oil tank opening.Optionally, in order to improve measurement accuracy, optical signal launch
Device 10 and the interval of receiver 30 are arranged, that is, are arranged on different flanges, to reduce the generation when changing of light refraction angle
Displacement.
Specifically, it as shown in Fig. 2, the center line of signal transmitter unit 11 is overlapped with the center line of dispersing lens 12, puts down
The center of face mirror lens 13 is located on the center line of signal transmitter unit 11, in order to simplify apparatus structure, reaches convenient for peace
The purpose of dress.
Wherein, the reflecting surface of catoptric arrangement 20 may be configured as plane, may be alternatively provided as curved surface.For further dispersed light letter
Number energy set convex surface for the reflecting surface of catoptric arrangement 20 in the present embodiment.
In order to improve stabilization, the accuracy of optical signal, laser is set by signal transmitter unit 11, is issued with laser
Laser as optical signal, the accuracy of DATA REASONING can be improved.Specifically, it when using laser transmitting laser, may be selected
Small-power type reduces laser energy, and can shorten the time of transmitting laser, extends the sampling period, to reduce the energy of laser carrying
Amount.
The present invention also provides a kind of fuel tank, the embodiment (not shown) of fuel tank according to the present invention includes liquid measure dress
It sets, which is aforesaid liquid measuring device, and the oil mass of liquid level of fuel oil in fuel tank is measured by the device for measuring volumetric flow of fluid.
The present invention also provides a kind of vehicle, the embodiment (not shown) of vehicle according to the invention includes fuel tank, the oil
Case is above-mentioned fuel tank, being capable of oil mass in real-time detection vehicle top tank.
The present invention also provides a kind of fuel measurement method, the device for measuring volumetric flow of fluid measurement provided through the foregoing embodiment is stored up
The amount of liquid of liquid case, as shown in figure 3, the embodiment of fuel measurement method according to the present invention includes：
Step 1：Optical signal is sent in the liquid of direction from liquid by optical signal transmitter；
Step 2：The optical signal for being reflected and being reflected out of liquid by the intracorporal catoptric arrangement of liquid is received by receiver；
Step 3：The amount of liquid in liquid reserve tank is calculated according to the optical signal reflected.
Specifically, the optical signal for being reflected by liquid internal reflection structure and being reflected out of liquid can be received by receiver,
To obtain the location parameter of optical signal, the amount of liquid in liquid reserve tank is calculated according to the location parameter.
Before using the device for measuring volumetric flow of fluid, need to demarcate in advance in liquid reserve tank when there is no liquid, receiver receives
The position of the optical signal arrived, and calibration liquid reserve tank, when being filled with liquid, the position for the optical signal that receiver receives can so be obtained
Liquid reserve tank by not having oil to full oil when, the corresponding displacement of optical signal.Then by detection optical signal location parameter and with it is preparatory
The position of the optical signal of calibration is compared, and can obtain liquid height data, after obtaining liquid height data, in conjunction with liquid storage
The amount of liquid of liquid reserve tank can be calculated in the size of case.
The device for measuring volumetric flow of fluid provided is provided using the present invention, can be convenient for measuring under inflammable and explosive liquid environment,
On the basis of safe and reliable, facilitate installation and debugging and application.No other structures interference, can so reduce other structures and tie to measurement
The influence of fruit, and then can be improved the accuracy of oil mass detection；Also, laser and receiver are waterproof and oilproof structure, because
The service life of device can be improved in this；In addition, carrying out detection using light as medium can be improved Data Detection speed, it is really achieved reality
When the effect that detects.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of device for measuring volumetric flow of fluid, which is characterized in that including：
Optical signal transmitter (10), the optical signal transmitter (10) measure light for the liquid propellant into liquid reserve tank；
The bottom of the liquid reserve tank is arranged in catoptric arrangement (20), and the catoptric arrangement (20) is for being reflected into the liquid
Interior optical signal；
Receiver (30), the receiver (30) are reflected through the catoptric arrangement (20) for receiving and are gone out from the liquid refracting
Optical signal；
Processor, the processor are connect with the receiver (30), and the processor is according to anti-through the catoptric arrangement (20)
It penetrates and determines the amount of liquid in the liquid reserve tank from the optical signal that the liquid refracting goes out；
The optical signal transmitter (10) includes：
Signal transmitter unit (11), for emitting initial light；
Energy-absorbing component is arranged in the optical path of the initial light, energy of the energy-absorbing component for reducing the initial light, institute
It states initial light and forms the measurement light after the energy-absorbing component.
2. device for measuring volumetric flow of fluid according to claim 1, which is characterized in that the energy-absorbing component includes dispersing lens
(12)。
3. device for measuring volumetric flow of fluid according to claim 2, which is characterized in that the energy-absorbing component further includes：
Plane reflection lens (13) are arranged on the path of the optical signal of the dispersing lens (12) to the liquid.
4. device for measuring volumetric flow of fluid according to claim 3, which is characterized in that the energy-absorbing component further includes：
Heat sink (14) is arranged on the path for the light that the plane reflection lens (13) reflect.
5. device for measuring volumetric flow of fluid according to claim 4, which is characterized in that the liquid reserve tank includes cabinet and is arranged in institute
The flange (40) of box opening is stated, the optical signal transmitter (10) and the receiver (30) are arranged at the flange (40)
On.
6. device for measuring volumetric flow of fluid according to claim 5, which is characterized in that the center line of the signal transmitter unit (11)
It is overlapped with the center line of the dispersing lens (12), the center of the plane reflection lens (13) is located at the signal transmitter unit
(11) on center line.
7. device for measuring volumetric flow of fluid according to claim 1, which is characterized in that the signal transmitter unit (11) is laser
Device.
8. a kind of fuel tank, including device for measuring volumetric flow of fluid, which is characterized in that the device for measuring volumetric flow of fluid is to appoint in claim 1 to 7
Device for measuring volumetric flow of fluid described in one.
9. a kind of vehicle, including fuel tank, which is characterized in that the fuel tank is fuel tank according to any one of claims 8.
10. a kind of fuel measurement method, which is characterized in that pass through device for measuring volumetric flow of fluid described in any one of claims 1 to 7
The amount of liquid of liquid reserve tank is measured, the fuel measurement method includes：
Optical signal is sent in liquid described in direction from liquid by optical signal transmitter；
The optical signal for being reflected and being reflected out of described liquid by the intracorporal catoptric arrangement of the liquid is received by receiver；
The amount of liquid in the liquid reserve tank is calculated according to the optical signal reflected.
11. fuel measurement method according to claim 10, which is characterized in that
The optical signal for being reflected by the liquid internal reflection structure and being reflected out of described liquid is received by the receiver, is obtained
Take the location parameter of optical signal；
The amount of liquid in the liquid reserve tank is calculated according to the location parameter.
12. fuel measurement method according to claim 11, which is characterized in that
It is demarcated when there is no liquid in the liquid reserve tank in advance, the position for the optical signal that the receiver receives, and calibration institute
When stating liquid reserve tank and being filled with liquid, the position for the optical signal that the receiver receives；
By the location parameter of the optical signal of measurement compared with the position for the optical signal demarcated in advance, liquid height number is obtained
According to；
The amount of liquid of the liquid reserve tank is calculated according to the liquid height data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938850.0A CN105571685B (en) | 2015-12-15 | 2015-12-15 | Device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938850.0A CN105571685B (en) | 2015-12-15 | 2015-12-15 | Device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571685A CN105571685A (en) | 2016-05-11 |
| CN105571685B true CN105571685B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510938850.0A Active CN105571685B (en) | 2015-12-15 | 2015-12-15 | Device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115305B (en) * | 2018-08-06 | 2019-10-29 | 珠海格力电器股份有限公司 | Container liquid level detection device and method and water purifier |
| CN110440876B (en) * | 2019-08-23 | 2020-11-24 | 交通运输部天津水运工程科学研究所 | Non-contact wave measuring method and system |
| CN110441094A (en) * | 2019-08-23 | 2019-11-12 | 浙江方圆检测集团股份有限公司 | A kind of fuel oil sampler and its application method |
| CN113720443A (en) * | 2020-05-26 | 2021-11-30 | 深圳市大族数控科技股份有限公司 | Laser power test system and test method |
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| EP1160566A3 (en) * | 2000-05-31 | 2002-03-20 | CESI Centro Elettrotecnico Sperimentale Italiano Giacinto Motta S.P.A. | Apparatus for the continuous detection of oils on water surfaces by means of surface reflection |
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| CN105571685A (en) | 2016-05-11 |
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