CN105571685A - Liquid measurement device, oil tank, vehicle and fuel measurement method - Google Patents
Liquid measurement device, oil tank, vehicle and fuel measurement method Download PDFInfo
- Publication number
- CN105571685A CN105571685A CN201510938850.0A CN201510938850A CN105571685A CN 105571685 A CN105571685 A CN 105571685A CN 201510938850 A CN201510938850 A CN 201510938850A CN 105571685 A CN105571685 A CN 105571685A
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- liquid
- light signal
- light
- volumetric flow
- receiver
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- 239000007788 liquid Substances 0.000 title claims abstract description 102
- 239000000446 fuel Substances 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 title claims abstract description 18
- 238000000691 measurement method Methods 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 31
- 239000002828 fuel tank Substances 0.000 claims description 31
- 230000003287 optical effect Effects 0.000 claims description 30
- 239000003380 propellant Substances 0.000 claims description 2
- 241000219739 Lens Species 0.000 description 21
- 210000000695 crystalline len Anatomy 0.000 description 21
- 239000003921 oil Substances 0.000 description 18
- 239000000295 fuel oil Substances 0.000 description 14
- 238000001514 detection method Methods 0.000 description 7
- 239000003981 vehicle Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000105 evaporative light scattering detection Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling 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 invention provides a liquid measurement device, an oil tank, a vehicle and a fuel measurement method. The liquid measurement device comprises a light signal transmitter, a reflecting structure, a receiver and a processor, wherein the light signal transmitter is used for emitting measurement light to liquids in a liquid storage tank; the reflecting structure is arranged at the bottom of the oil tank and used for reflecting a light signal entering the liquids; the receiver is used for receiving the light signal which is reflected by the reflecting structure and refracted from the liquids; the processor is connected with the receiver and used for determining the quantity of liquids in the liquid storage tank according to the light signal which is reflected by the reflecting structure and refracted from the liquids. By means of the technical scheme, the problem of inaccuracy of the measurement result in the prior art can be solved.
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 and fuel measurement method.
Background technology
At present, for the oil measurement in automotive oil tank, mainly slide bar and the float be arranged on slide bar are put into fuel tank, float fluctuates with oil mass change, and it is how many that oil meter can show oil mass by float change.
Time in prior art by float measurement fuel tank fuel quantity, float can with slide bar generation frictional interference, so have impact on the accuracy of measurement, and float can move slowly, makes measurement result there is hysteresis quality by frictional influence.
Summary of the invention
The invention provides a kind of device for measuring volumetric flow of fluid, fuel tank, vehicle and fuel measurement method, to solve the inaccurate problem of measurement result of the prior art.
According to an aspect of the present invention, provide a kind of device for measuring volumetric flow of fluid, comprising: optical signal transmitter, optical signal transmitter is used for measuring light to the liquid propellant in liquid reserve tank; Reflection configuration, is arranged on the bottom of liquid reserve tank, and reflection configuration is for reflecting the light signal entered in liquid; Receiver, receiver is for receiving through reflection configuration reflection and the light signal gone out from liquid refracting; Processor, processor is connected with receiver, and processor is according to through reflection configuration reflection and amount of liquid in the light signal determination liquid reserve tank gone out from liquid refracting.
Further, optical signal transmitter comprises: signal transmitter unit, for launching initial light; Energy-absorbing assembly, is arranged in the light path of initial light, and energy-absorbing assembly is for reducing the energy of initial light, and initial light is formed after energy-absorbing assembly measures light.
Further, energy-absorbing assembly comprises dispersing lens.
Further, energy-absorbing assembly also comprises: plane reflection lens, is arranged on dispersing lens on the path of the light signal of liquid.
Further, energy-absorbing assembly also comprises: heat sink, is arranged on the path of the light of plane reflection lens reflection.
Further, fuel tank comprises casing and is arranged on the flange of box opening, and optical signal transmitter and receiver are all arranged on flange.
Further, the center line of signal transmitter unit overlaps with the center line of dispersing lens, on the center line being centrally located at signal transmitter unit of plane reflection lens.
Further, signal transmitter unit is laser instrument.
According to an aspect of the present invention, provide a kind of fuel tank, comprise device for measuring volumetric flow of fluid, device for measuring volumetric flow of fluid is the above-mentioned device for measuring volumetric flow of fluid provided.
According to a further aspect in the invention, provide a kind of vehicle, comprise fuel tank, fuel tank is the above-mentioned fuel tank provided.
According to a further aspect in the invention, provide a kind of fuel measurement method, measured the amount of liquid of liquid reserve tank by the above-mentioned device for measuring volumetric flow of fluid that provides, fuel measurement method comprises and sends light signal from liquid in the liquid of direction by optical signal transmitter; Received by receiver and reflected and the light signal reflected in liquid by the reflection configuration in liquid; The amount of liquid in liquid reserve tank is calculated according to the light signal reflected.
Further, received by liquid internal reflection structure reflects and the light signal reflected in liquid by receiver, obtain the location parameter of light signal; The amount of liquid in liquid reserve tank is calculated according to location parameter.
Further, when there is no liquid in advance in demarcation liquid reserve tank, the position of the light signal that receiver receives, and when demarcation liquid reserve tank is filled with liquid, the position of the light signal that receiver receives; By the location comparison of the location parameter of the light signal of measurement with the light signal demarcated in advance, obtain liquid height data; The amount of liquid of liquid reserve tank is calculated according to liquid height data.
Apply technical scheme of the present invention, by arranging optical signal transmitter, reflection configuration and receiver in liquid reserve tank, and be electrically connected with processor by receiver, the light signal that processor is received by receiver calculates, and can draw the oil mass in liquid reserve tank.By device for measuring volumetric flow of fluid provided by the invention, can avoid and other structure or liquid comes into contact, reduce the impact of other structure on measurement result, and then the accuracy of amount of liquid detection can be improved; Further, carry out detection by light signal and can improve Data Detection speed.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the device for measuring volumetric flow of fluid provided according to the embodiment of the present invention;
Fig. 2 shows the structural representation of optical signal transmitter in Fig. 1;
Fig. 3 shows the schematic flow sheet of the fuel measurement method provided according to the embodiment of the present invention.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, optical signal transmitter; 11, signal transmitter unit; 12, dispersing lens; 13, plane reflection lens; 14, heat sink; 20, reflection configuration; 30, receiver; 40, flange; 50, fuel level.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As described in Figure 1, the device for measuring volumetric flow of fluid of the present embodiment comprises: optical signal transmitter 10, reflection configuration 20, receiver 30 and processor.Wherein, in the present embodiment, this liquid reserve tank is fuel tank, and liquid is fuel oil.Optical signal transmitter 10 is for launching initial optical signal to fuel level 50, and reflection configuration 20 is arranged on tank bottoms, and the light signal entered in fuel oil by reflection configuration 20 reflects fuel oil layer.Receiver 30 will reflect through reflection configuration 20 and receive from the light signal that fuel oil layer reflects and send to processor, processor is by processing and calculating the initial optical signal data of optical signal transmitter 10 transmission and reflect through reflection configuration 20 and the optical signal data reflected from fuel level, and in conjunction with the concrete geometry of fuel tank, the Fuel Oil Remaining in fuel tank can be calculated.Particularly, it is α that recording light signal projector 10 sends the incident angle that light signal enters fuel level, entering the refraction angle after fuel level is β, level is h, level change amount is △ h, as level change △ h, receiver 30 receives the distance that the light signal reflected by liquid level can move s, the relation of △ h and s can be calculated thus, then calculate when fuel tank is from full oil condition to the shift position relation without oil condition time point, the Height of oil corresponding when the light signal that liquid level reflects is positioned at receiver 30 a certain position can be obtained, again in conjunction with fuel tank volume, the oil mass of now fuel tank can be calculated.
Apply the embodiment of fuel measurement device provided by the invention, by arranging optical signal transmitter 10, reflection configuration 20 and receiver 30 in fuel tank, and receiver 30 is electrically connected with processor, namely by the light signal that processor process receiver 30 receives, the Fuel Oil Remaining in fuel tank can be obtained as calculated.By device for measuring volumetric flow of fluid provided by the invention, in the process of optical signal transmitter 10 reflected light signal and receiver 30 receiving optical signals, disturb without other structure, so can reduce the impact of other structure on measurement result, and then the accuracy of oil mass detection can be improved; Further, carry out detection can improve Data Detection speed using light as medium, oil mass is changed can be calculated in real time by processor, and is shown to user.
In the present embodiment, optical signal transmitter 10 comprises signal transmitter unit 11 and energy-absorbing assembly.Signal transmitter unit 11 is for launching initial light.Wherein, the light signal sent in order to avoid optical signal transmitter 10, with higher-energy, makes fuel tank cause danger.Before the light signal sent at optical signal transmitter 10 is radiated at fuel oil, reduced the energy of the light signal that signal transmitter unit 11 is launched to fuel oil by energy-absorbing assembly.What initial light was formed after energy-absorbing assembly is measurement light.
Particularly, this energy-absorbing assembly comprises dispersing lens 12.Wherein, dispersing lens 12 is arranged on the path of the light signal that signal transmitter unit 11 is launched to fuel oil.By dispersing lens 12 scattered light signal, to reduce the energy of the light signal be radiated on fuel oil.Wherein, according to use needs, many group dispersing lenss 12 can be set, so that the light beam sent by signal transmitter unit 11 is dispersed into larger hot spot, thus reduce the energy of the light signal that fluid unit volume absorbs.
In the present embodiment, this energy-absorbing assembly also comprises plane reflection lens 13.Wherein, these plane reflection lens 13 are arranged on the path of the light signal of dispersing lens 12 to fuel oil.Particularly, many group plane reflection lens 13 can be set as required to reduce the energy of light signal further.The light signal of incidence can be divided into reflected light and refract light by these plane reflection lens 13, wherein, in order to reduce the energy of light signal when entering fuel oil further, the angle of adjustable plane reflection lens 13, to make reflected light be shining in fuel oil, and refract light is irradiated to other place.
Particularly, this energy-absorbing assembly also comprises heat sink 14, by heat sink 14 being arranged on the path of the light signal that plane reflection lens 13 reflect, the energy accumulating of refract light can be avoided too high, make to produce excessive temperature in fuel tank, wherein, heat sink 14 can be fitted with the inwall of fuel tank, and the heat of heat sink 14 is disperseed by the mode of heat conduction.
In the present embodiment, for the ease of installing optical signal transmitter 10 and receiver 30, optical signal transmitter 10 and receiver 30 being all arranged on and being positioned on the flange 40 of tank body of oil tank opening.Alternatively, in order to improve measuring accuracy, optical signal transmitter 10 and receiver 30 interval are arranged, and are namely arranged on different flange, to reduce the displacement that light refraction angle produces when changing.
Particularly, as shown in Figure 2, the center line of the center line of signal transmitter unit 11 with dispersing lens 12 is overlapped, on the center line being centrally located at signal transmitter unit 11 of plane reflection lens 13, so that simplification device structure, reach the object of being convenient to install.
Wherein, the reflecting surface of reflection configuration 20 can be set to plane, also can be set to curved surface.In order to the energy of further dispersed optical signal, in the present embodiment, the reflecting surface of reflection configuration 20 is set to convex surface.
In order to improve stable, the accuracy of light signal, signal transmitter unit 11 is set to laser instrument, the laser sent using laser instrument, as light signal, can improve the accuracy of DATA REASONING.Particularly, when adopting laser instrument Emission Lasers, miniwatt type can be selected to reduce laser energy, and the time of Emission Lasers can be shortened, extending the sampling period, to reduce the energy that laser carries.
Present invention also offers a kind of fuel tank, the embodiment (not shown) according to fuel tank of the present invention comprises device for measuring volumetric flow of fluid, and this device for measuring volumetric flow of fluid is aforesaid liquid measurement mechanism, is measured the oil mass of fuel oil in fuel tank by this device for measuring volumetric flow of fluid.
Present invention also offers a kind of vehicle, the embodiment (not shown) of vehicle according to the invention comprises fuel tank, and this fuel tank is above-mentioned fuel tank, can detect the oil mass in vehicle top tank in real time.
Present invention also offers a kind of fuel measurement method, the device for measuring volumetric flow of fluid provided by above-described embodiment measures the amount of liquid of liquid reserve tank, and as shown in Figure 3, the embodiment according to fuel measurement method of the present invention comprises:
Step one: send light signal from liquid in the liquid of direction by optical signal transmitter;
Step 2: received by receiver and reflected and the light signal reflected in liquid by the reflection configuration in liquid;
Step 3: calculate the amount of liquid in liquid reserve tank according to the light signal reflected.
Particularly, receive by liquid internal reflection structure reflects and the light signal reflected in liquid by receiver, to obtain the location parameter of light signal, calculate the amount of liquid in liquid reserve tank according to this location parameter.
Before this device for measuring volumetric flow of fluid of use, need to demarcate in advance liquid reserve tank inherence when there is no liquid, the position of the light signal that receiver receives, and demarcate liquid reserve tank when being filled with liquid, the position of the light signal that receiver receives, so can obtain liquid reserve tank by when not having oil to full oil, the displacement that light signal is corresponding.Then compared with the position of the light signal demarcated in advance by the location parameter of sensed light signal, can obtain liquid height data, after acquisition liquid height data, the size in conjunction with liquid reserve tank can calculate the amount of liquid of liquid reserve tank.
The device for measuring volumetric flow of fluid that application the invention process provides, can be convenient to measure under inflammable and explosive liquid environment, on safe and reliable basis, facilitate Installation and Debugging and application.Disturb without other structure, so can reduce the impact of other structure on measurement result, and then the accuracy of oil mass detection can be improved; Further, laser instrument and receiver are waterproof and oilproof structure, therefore can improve the serviceable life of device; In addition, carry out detection using light as medium and can improve Data Detection speed, really reach the effect detected in real time.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a device for measuring volumetric flow of fluid, is characterized in that, comprising:
Optical signal transmitter (10), described optical signal transmitter (10) is for measuring light to the liquid propellant in liquid reserve tank;
Reflection configuration (20), is arranged on the bottom of described liquid reserve tank, and described reflection configuration (20) is for reflecting the light signal entered in described liquid;
Receiver (30), described receiver (30) is for receiving through described reflection configuration (20) reflection and the light signal gone out from described liquid refracting;
Processor, described processor is connected with described receiver (30), and described processor is according to reflecting through described reflection configuration (20) and determining the amount of liquid in described liquid reserve tank from the light signal that described liquid refracting goes out.
2. device for measuring volumetric flow of fluid according to claim 1, is characterized in that, described optical signal transmitter (10) comprising:
Signal transmitter unit (11), for launching initial light;
Energy-absorbing assembly, is arranged in the light path of described initial light, and described energy-absorbing assembly is for reducing the energy of described initial light, and described initial light forms described measurement light after described energy-absorbing assembly.
3. device for measuring volumetric flow of fluid according to claim 2, is characterized in that, described energy-absorbing assembly comprises dispersing lens (12).
4. device for measuring volumetric flow of fluid according to claim 3, is characterized in that, described energy-absorbing assembly also comprises:
Plane reflection lens (13), are arranged on described dispersing lens (12) on the path of the light signal of described liquid.
5. device for measuring volumetric flow of fluid according to claim 4, is characterized in that, described energy-absorbing assembly also comprises:
Heat sink (14), is arranged on the path of the light that described plane reflection lens (13) reflect.
6. device for measuring volumetric flow of fluid according to claim 5, it is characterized in that, described liquid reserve tank comprises casing and is arranged on the flange (40) of described box opening, and described optical signal transmitter (10) and described receiver (30) are all arranged on described flange (40).
7. device for measuring volumetric flow of fluid according to claim 6, it is characterized in that, the center line of described signal transmitter unit (11) overlaps with the center line of described dispersing lens (12), on the center line being centrally located at described signal transmitter unit (11) of described plane reflection lens (13).
8. device for measuring volumetric flow of fluid according to claim 2, is characterized in that, described signal transmitter unit (11) is laser instrument.
9. a fuel tank, comprises device for measuring volumetric flow of fluid, it is characterized in that, the device for measuring volumetric flow of fluid of described device for measuring volumetric flow of fluid according to any one of claim 1 to 8.
10. a vehicle, comprises fuel tank, it is characterized in that, described fuel tank is fuel tank according to claim 9.
11. 1 kinds of fuel measurement methods, is characterized in that, measured the amount of liquid of liquid reserve tank by the device for measuring volumetric flow of fluid according to any one of claim 1 to 8, described fuel measurement method comprises:
In liquid described in direction liquid, light signal is sent by optical signal transmitter;
Received by receiver and reflected and the light signal reflected in described liquid by the reflection configuration in described liquid;
The amount of liquid in described liquid reserve tank is calculated according to the light signal reflected.
12. fuel measurement methods according to claim 11, is characterized in that,
Received by described liquid internal reflection structure reflects and the light signal reflected in described liquid by described receiver, obtain the location parameter of light signal;
The amount of liquid in described liquid reserve tank is calculated according to described location parameter.
13. fuel measurement methods according to claim 12, is characterized in that,
Demarcate in described liquid reserve tank when there is no liquid in advance, the position of the light signal that described receiver receives, and demarcate described liquid reserve tank when being filled with liquid, the position of the light signal that described receiver receives;
By the location comparison of the location parameter of the described light signal measured with the light signal demarcated in advance, obtain liquid height data;
The amount of liquid of described liquid reserve tank is calculated according to described 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 |
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| Publication Number | Publication Date |
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| CN105571685A true CN105571685A (en) | 2016-05-11 |
| CN105571685B CN105571685B (en) | 2018-11-20 |
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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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115305A (en) * | 2018-08-06 | 2019-01-01 | 珠海格力电器股份有限公司 | Container liquid level detection device and method and water purifier |
| CN110440876A (en) * | 2019-08-23 | 2019-11-12 | 交通运输部天津水运工程科学研究所 | Contactless wave measurement 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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| 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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