CN209706871U - A kind of water flow measuring device based on single impeller - Google Patents
A kind of water flow measuring device based on single impeller Download PDFInfo
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- CN209706871U CN209706871U CN201920586457.3U CN201920586457U CN209706871U CN 209706871 U CN209706871 U CN 209706871U CN 201920586457 U CN201920586457 U CN 201920586457U CN 209706871 U CN209706871 U CN 209706871U
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Abstract
The utility model embodiment discloses a kind of water flow measuring device, comprising: impeller, the impeller include multiple blades, and the end of at least one blade in the multiple blade is provided with the first magnet；Cantilever beam, the cantilever beam are arranged above the impeller, and the cantilever beam has fixing end and free end, and the free end close to the cantilever beam is provided with the second magnet；Fiber-optic grating sensor is set at the ontology of the cantilever beam；Fiber grating demodulation device is connected with the fiber-optic grating sensor by optical fiber, receives and demodulate the real-time wavelength data of the optical signal from the fiber-optic grating sensor；Signal processing module calculates the size of the water flow and is presented according to the real-time wavelength data.In this way, can be realized more rapidly, more convenient and more accurate water flow measurement, anti-interference ability is stronger.
Description
Technical field
The utility model embodiment is related to field of photodetection more particularly to a kind of water flow based on fiber-optic grating sensor
Measuring device and method.
Background technique
Wisdom water utilities is one of core direction of smart city, is the final goal of water utilities informationization, and Intelligent watermeter
It is wisdom water utilities important component again.As city intelligent water utilities is built, intelligence is widely applied, and traditional water flow measures
Amount device water meter is no longer satisfied the long-range measurement of meter reading in real time water flow, make the water meter intelligence of traditional type measurement water also at
For key.
Utility model people has found in the process of implementing the utility model: most traditional electronic sensors are due to sensing
The influence of device intrinsic characteristic and external condition has some defects and deficiency that can not ignore in use.For example, in strong electromagnetic
Under conditions of, electronic sensor is easy by electromagnetic interference, in remote work, conditional electronic formula sensor power supply,
Signal transmits etc. at a distance to be not sufficiently stable.
Therefore, a kind of more convenient, quick and reliable and stable measurement method is needed, to realize the measurement of water flow.
Utility model content
In view of this, the utility model embodiment provides a kind of water flow measuring device based on fiber-optic grating sensor,
Solve the problems, such as that measuring water flow is inconvenient, inaccurate.
In a first aspect, the utility model embodiment provides a kind of water flow measuring device, including water inlet, water outlet,
It is characterized in that, the water flow measuring device further include:
Impeller is arranged between the water inlet and the water outlet, and the impeller includes multiple blades, described more
The end of at least one blade in a blade is provided with the first magnet；
Cantilever beam, the cantilever beam are arranged above the impeller, and the cantilever beam has fixing end and free end, are leaned on
The free end of the nearly cantilever beam is provided with the second magnet；
Fiber-optic grating sensor is set at the ontology of the cantilever beam；
Fiber grating demodulation device is connected with the fiber-optic grating sensor by optical fiber, receives and demodulate from the light
The real-time wavelength data of the optical signal of fiber grating sensor；
Signal processing module calculates the size of the water flow and is presented according to the real-time wavelength data.
Optionally, it includes: described that the end of at least one blade in the multiple blade, which is provided with the first magnet,
The end of a blade in multiple blades is provided with the first magnet.In this case, impeller per revolution, the first magnet with
Second magnet meets once, and direct action occurs therebetween, and a deformation, the light in fiber-optic grating sensor occur for cantilever beam
One-shot change occurs for signal wavelength.
Optionally, it includes: described that the end of at least one blade in the multiple blade, which is provided with the first magnet,
The end of equally distributed multiple blades is provided with multiple first magnet on impeller.Optionally, more on the impeller
The end of a blade is evenly arranged with 2 first magnet, and the two sides that the two first magnet are oppositely arranged on wheel disc are close
Edge；Optionally, the end of multiple blades on the impeller is evenly arranged with 3 first magnet；Optionally, In
The end of multiple blades on the impeller is evenly arranged with 4 first magnet.In this case, the every rotation one of impeller
Circle, the first magnet and the second magnet meet repeatedly, and repeatedly effect occurs therebetween, and multiple deformation, optical fiber light occur for cantilever beam
Repeatedly variation occurs for the wavelength of optical signal in gate sensor.By analyzing wavelength change number, also anti-wheel rotation can be released
Number is enclosed, and then calculates water flow size.
Optionally, described device further includes shell, and the water inlet and the water outlet are respectively arranged at the shell and lean on
The two sides of nearly bottom；The impeller, the cantilever beam are all set in the inside of the shell；The fixing end of the cantilever beam is consolidated
Due on the inner sidewall of the shell；The optical fiber passes through the fiber grating solution that the side wall of outer shell is connected to the shell exterior
Adjust device.
Optionally, the fixing end of the cantilever beam is welded on the inner sidewall of the shell.
Optionally, there is a mounting hole on the side wall of the shell, optical fiber passes through institute after fiber-optic grating sensor stretching
Mounting hole is stated, external fiber grating demodulation device is then connected to.
Optionally, the fiber-optic grating sensor is arranged at the body interior of the cantilever beam or is arranged at described outstanding
The surface of arm beam.
Optionally, there is groove in the middle part of the cantilever beam, the fiber-optic grating sensor is arranged at the inside grooves；
Optionally, there is long stripes through hole in the middle part of the cantilever beam, the fiber-optic grating sensor is placed in the through-hole；It is optional
, the cantilever beam is strip thin slice, and the modes such as the fiber-optic grating sensor is stuck, welds, bundling, screw is fixed are solid
At the cantilever beam.
Optionally, the wheel disc of the impeller is in that vertical direction is placed in the interior of shell, the blade face of side
The water inlet, when water flow is flowed into from the water inlet, the impeller can rotate under the promotion of the water flow.It is optional
, the wheel disc of the impeller is in that non-level direction is placed in the interior of shell, when water flow is flowed into from the water inlet,
The impeller can rotate under the promotion of the water flow.In fact, only if it were not for the impeller is horizontally arranged, as long as when described
When the first magnet rotors to highest point, can be located above the water surface, do not influence gravitation between the first magnet and the second magnet or
The effect of person's repulsion, can just realize the technical effect to be realized of the utility model.
Optionally, wherein second magnet is correspondingly arranged with first magnet, when first magnet turns with blade
When moving to the cantilever beam, second magnet be located at first magnet position directly above or near so that two
Person can generate magnetic force induction effect.Wherein, first magnet and the second magnet are all positions when carrying out magnetic force induction effect
In air, rather than it is located at below the water surface, in this case, the resistance of water can be reduced, improve measurement accuracy.
Optionally, the homopolarity of second magnet and first magnet is oppositely arranged；Optionally, the two is also possible to
It is heteropolar to be oppositely arranged.By repulsion or graviational interaction, so that a degree of deformation occurs for cantilever beam.When the two is heteropolar opposite
When setting, between cantilever beam and the impeller should between be separated with preset distance, avoid being bonded because of gravitation therebetween, after influencing
Continuous measurement.
Optionally, if cantilever beam itself is made if it is ferroalloy materials or ferrous material, it is also not necessary to set
The second magnet is set, at this point, also can produce a degree of deformation effects by the gravitation of the first magnet and cantilever beam itself.
When the metallic character and first magnet generation gravitation by overarm arm itself, the overarm arm should be between the wheel disc
Every the distance of predetermined length, avoids being bonded because of gravitation therebetween, influence subsequent measurement.
Optionally, the water flow measuring device further includes wireless communication module, for passing the real-time wavelength data
It is defeated by the signal processing module of distal end.
Optionally, can be carried out data transmission by the mobile communication modules such as bluetooth, WIFI, WLAN, GSM, 4G.
Optionally, the water flow measuring device further includes filtering module, is used for before water flow enters the water inlet,
Impurity in water flow is filtered.
The utility model embodiment is measured using fiber grating sensing technology come flow, the flow velocity to water flow.Firstly,
Fiber grating sensing technology has higher reliability and validity, compared to conditional electronic formula sensor, optical fiber grating sensing
Device overcomes electromagnetic interference and actively powered limitation, also has the characteristics that highly sensitive, anticorrosive, high temperature resistant, and optical fiber
Grating sensor it is small in size, at low cost, be suitble to be widely used in every field.Compared to the fiber optics displacement based on light-intensity test
Sensor, fiber-optic grating sensor, will not be because of the decaying shadows of power due to the frequency that the variable of detection is center wavelength
The change of measurand is rung, measurement and transmission are more stable.The measurement that fiber grating sensing technology is applied to water flow can be more
The deficiency of conventional water meter measurement water device is mended, but also is able to satisfy under more complex environments and remote real-time water measurement.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the water flow measuring device that an embodiment of the present invention provides；
Fig. 2 is the operation schematic diagram for the water flow measuring device that another embodiment of the utility model provides.
Appended drawing reference:
The second magnet of 1-；2- fiber bragg grating (FBG)；3- cantilever beam；The first magnet of 4-；A- water inlet；B- water outlet
Mouthful.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
It also should be noted that illustrating only part relevant to the utility model for ease of description, in attached drawing
Rather than full content.It should be mentioned that some exemplary embodiment quilts before exemplary embodiment is discussed in greater detail
It is described as the processing or method described as flow chart.Although operations (or step) are described as the place of sequence by flow chart
Reason, but many of these operations can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be with
It is rearranged.Processing can be terminated when its operations are completed, it is also possible to have the extra step being not included in attached drawing
Suddenly.Processing can correspond to method, function, regulation, subroutine, subprogram etc..
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
Optical fiber sensing technology has been come across earliest in the 1970s, since appearance, is just widely paid close attention to and again
Depending on being applied in various fields, and play good effect.In recent years, with the continuous development of optical fiber sensing technology, light
Fiber sensor is widely used in fields such as electric system, petrochemical industry, aerospace, environmental protection, national defence, and shows wide
Wealthy development prospect.
Fig. 1 shows a kind of structural schematic diagram of water flow measuring device, as shown in Figure 1, the device includes water inlet, goes out
The mouth of a river, which is characterized in that the water flow measuring device further include:
Impeller is arranged between the water inlet and the water outlet, and the impeller includes multiple blades, described more
The end of at least one blade in a blade is provided with the first magnet；
Cantilever beam, the cantilever beam are arranged above the impeller, and the cantilever beam has fixing end and free end, are leaned on
The free end of the nearly cantilever beam is provided with the second magnet；
Fiber-optic grating sensor is set at the ontology of the cantilever beam；
Fiber grating demodulation device is connected with the fiber-optic grating sensor by optical fiber, receives and demodulate from the light
The real-time wavelength data of the optical signal of fiber grating sensor；
Signal processing module calculates the size of the water flow and is presented according to the real-time wavelength data.
Wherein, the quantity that the end of at least one blade in the multiple blade is provided with the first magnet can be 1
It is a or multiple, it is depending on the circumstances.For example, the end of a blade in the multiple blade is provided with the first magnetic
Iron, in this case, impeller per revolution, the first magnet and the second magnet meet once, and direct action occurs therebetween,
Deformation occurs for cantilever beam, and one-shot change occurs for the wavelength of optical signal in fiber-optic grating sensor.In this case, it measures
Precision highest is also to enclose corresponding water flow with wheel rotation one to be limited, that is, impeller one week corresponding water flow of every rotation.
If it is intended to measurement is more accurate, if impeller size is bigger, multiple first magnetic can be set
Iron.Two first magnet are uniformly arranged on the impeller for example, working as, and the line of two first magnet just will
When the impeller is divided into two, impeller per revolution, the first magnet and the second magnet meet 2 times, and 2 works occur therebetween
With 2 deformation occurs for cantilever beam, and 2 variations occur for the wavelength of optical signal in fiber-optic grating sensor.In this case, it surveys
Accuracy of measurement is that wheel rotation 1/2 encloses corresponding water flow.
Certainly, in the appropriate case, three, four, five even more first magnet also can be set, these
Magnet is evenly distributed on wheel disc, and is located at corresponding blade at the position at edge.In this case, the every rotation one of impeller
Circle, the first magnet and the second magnet meet repeatedly, and repeatedly effect occurs therebetween, and multiple deformation, optical fiber light occur for cantilever beam
Repeatedly variation occurs for the wavelength of optical signal in gate sensor.By analyzing wavelength change number, also anti-wheel rotation can be released
Number is enclosed, and then calculates water flow size.
It certainly, is not that the first magnet number is The more the better, cantilever beam deformation recovery needs the regular hour, if deformation yet
Frequency is too high, it is difficult to restore completely, then can also seriously affect the accuracy of measurement.
Under normal conditions, described device can also include shell, and the water inlet and the water outlet are respectively arranged at institute
State two sides of the shell close to bottom；The impeller, the cantilever beam are all set in the inside of the shell；The cantilever beam is consolidated
Fixed end is fixed on the inner sidewall of the shell；The optical fiber passes through the light that the side wall of outer shell is connected to the shell exterior
Fine grating demodulation device.The purpose being arranged in this way, be in order to allow under impeller it is partially submerged in water, top quartile in air,
When its rotation and the second magnet in overarm arm, magnetic force work occurs between the first magnet and the second magnet in air
With without the resistance by water, and influencing the accuracy of measurement.
Optionally, the fixing end of the cantilever beam is welded on the inner sidewall of the shell.It equally, can also be by viscous
Other physics modes such as patch, screw fixation are fixed.
Optionally, there is a mounting hole on the side wall of the shell, optical fiber passes through institute after fiber-optic grating sensor stretching
Mounting hole is stated, external fiber grating demodulation device is then connected to.
Wherein, the fiber-optic grating sensor is arranged at the body interior of the cantilever beam or is arranged at the cantilever
The surface of beam.
Optionally, there is groove in the middle part of the cantilever beam, the fiber-optic grating sensor is arranged at the inside grooves；
Optionally, there is long stripes through hole in the middle part of the cantilever beam, the fiber-optic grating sensor is placed in the through-hole；It is optional
, the cantilever beam is strip thin slice, and the modes such as the fiber-optic grating sensor is stuck, welds, bundling, screw is fixed are solid
At the cantilever beam.
Wherein, the wheel disc of the impeller can be placed in the interior of shell, the blade face of side in vertical direction
The water inlet, when water flow is flowed into from the water inlet, the impeller can rotate under the promotion of the water flow.It is optional
, the wheel disc of the impeller is in that non-level direction is placed in the interior of shell, when water flow is flowed into from the water inlet,
The impeller can rotate under the promotion of the water flow.In fact, only if it were not for the impeller is horizontally arranged, as long as when described
When the first magnet rotors to highest point, can be located above the water surface, do not influence gravitation between the first magnet and the second magnet or
The effect of person's repulsion, can just realize the technical effect to be realized of the utility model.
When vertical place, impeller is directly by the impact of water flow, and velocity of rotation is more faster；When placing at other angles
When, although its revolving speed is affected, its with respect to water flow be it is certain, can also be with by the circle number of measurement rotation
The measured value of water flow is obtained by calculation.
Optionally, wherein second magnet is correspondingly arranged with first magnet, when first magnet turns with blade
When moving to the cantilever beam, second magnet be located at first magnet position directly above or near so that two
Person can generate magnetic force induction effect.Wherein, first magnet and the second magnet are all positions when carrying out magnetic force induction effect
In air, rather than it is located at below the water surface, in this case, the resistance of water can be reduced, improve measurement accuracy.
Optionally, the homopolarity of second magnet and first magnet is oppositely arranged；Optionally, the two is also possible to
It is heteropolar to be oppositely arranged.By repulsion or graviational interaction, so that a degree of deformation occurs for cantilever beam.When the two is heteropolar opposite
When setting, between cantilever beam and the impeller should between be separated with preset distance, avoid being bonded because of gravitation therebetween, after influencing
Continuous measurement.
Optionally, if cantilever beam itself is made if it is ferroalloy materials or ferrous material, it is also not necessary to set
The second magnet is set, at this point, also can produce a degree of deformation effects by the gravitation of the first magnet and cantilever beam itself.
When the metallic character and first magnet generation gravitation by overarm arm itself, the overarm arm should be between the wheel disc
Every the distance of predetermined length, avoids being bonded because of gravitation therebetween, influence subsequent measurement.
Optionally, the water flow measuring device further includes wireless communication module, for passing the real-time wavelength data
It is defeated by the signal processing module of distal end.
Optionally, can be carried out data transmission by the mobile communication modules such as bluetooth, WIFI, WLAN, GSM, 4G.It is optional
, the water flow measuring device should have independent numbering, transmit the same of real-time wavelength data in mode by wireless communication
When, the independent numbering of itself can be sent to recipient in the form of a signal, recipient receives after signal, it will be able to corresponding
Ground finds specific measurement position or room number, is unlikely to mutually to obscure.
Optionally, the wireless communication module can also be used to send caution signal, when water flow exception, for example, centainly
When (for example, 1 year, one month, half a year etc.) passes through without water flow in time, alternatively, for example, continuous long-time big flow passes through
When (for example, continuous one day night is all big flow), alarm signal can be all issued, to prompt user to check.
Sealing device has can be set in the water inlet, prevents water flow from flowing out from the water inlet, and measurement is tied
Fruit inaccuracy.
Filtering module has can be set in the water inlet, is used for before water flow enters the water inlet, in water flow
Impurity be filtered.
Due to the characteristic that magnet has homopolar-repulsion or there is a natural attraction between the sexes, when the fluid impact impeller as water, water
Power potential energy impeller carry out circular motion, be bonded in magnet each cycle on impeller all can with it is Nian Jie on a cantilever beam
Magnet generates repulsive force, so that cantilever beam generating period is bent, is pasted onto the fiber bragg grating of cantilever beam middle part surface
Physical deformation is also occurred therewith by the curved power of cantilever beam, the physical deformation of fiber bragg grating leads to its refractive index and week
Phase changes simultaneously, and the variation of the two also further determines the wherein long variation occurred of cardiac wave.It is direct in cantilever beam front
By the active force of magnet, the variable quantity of the central wavelength of fiber bragg grating increases, and waveform and wavelength show one
The form of kind jump.It is drifted about and is jumped according to fiber bragg grating central wavelength, the number of statistics wavelength jump is revolved with impeller
The accumulative revolution of the wing is directly proportional, calculates the relationship of outdegree and Water interaction, can calculate the size of fluid flow.
It is measured by the utility model embodiment come flow, the flow velocity to water flow.Firstly, fiber grating sensing technology
With higher reliability and validity, compared to conditional electronic formula sensor, fiber-optic grating sensor overcomes electromagnetic interference
With actively powered limitation, also have the characteristics that highly sensitive, anticorrosive, high temperature resistant, and the volume of fiber-optic grating sensor
It is small, at low cost, it is suitble to be widely used in every field.Compared to the optical fibre displacement sensor based on light-intensity test, fiber grating
Sensor, will not changing because of the influence of fading measurand of power due to the frequency that the variable of detection is center wavelength
Become, measurement and transmission are more stable.The measurement that fiber grating sensing technology applies to water flow can overcome the disadvantages that conventional water meter measures
The deficiency of water device, but also be able to satisfy under more complex environments and remote real-time water flow measurement.
Fig. 2 shows the operation schematic diagrams for the water flow measuring device that another embodiment of the utility model provides, such as Fig. 2 institute
Show, which includes conversion module, optical fiber grating sensing module and information acquisition module, in which:
Conversion module is used to for the power of water flow being converted into the kinetic energy of impeller rotation, and the kinetic energy that impeller rotates is converted into
The deformation of the cantilever beam is further converted forming fibre-optic grating by fiber grating sensor module by the deformation of cantilever beam
The variation of wavelength of optical signal in sensor；Demodulation is carried out by situation of change of the information acquisition module to the wavelength of optical signal
Analysis determines the size of corresponding water flow.
In the utility model embodiment, conversion module may include impeller.When water flow flows into, from water inlet from water outlet
When outflow, the percussion of water flow starts turning the impeller, to realize the kinetic energy of water flow between the kinetic energy of impeller
Conversion；It further, further include the first magnet on the impeller and the second magnet on cantilever beam, impeller turns
During dynamic, gravitation or repulsion occur between the first magnet and the second magnet, so that a degree of deformation occurs for overarm arm.
Optical fiber grating sensing module includes the fiber-optic grating sensor positioned at overarm arm inside or surface, when cantilever beam is sent out
When raw deformation, a degree of variation can occur for the optical signal in fiber-optic grating sensor, for example, wavelength changes a lot.
Information acquisition module can be acquired and analyze to the optical signal, determine the frequency and secondary of its optical wavelength variation
The information such as number converse the number of wheel rotation, and then calculate the size of water flow.
This mode illustrated by the utility model embodiment, can greatly promote the sensitivity and standard of measuring water flow
Exactness, also, due to compared to conditional electronic formula sensor, fiber-optic grating sensor overcome electromagnetic interference and actively powered
Limitation, also has the characteristics that highly sensitive, anticorrosive, high temperature resistant, and fiber-optic grating sensor is small in size, at low cost, fits
Conjunction is widely used in every field, is able to satisfy under more complex environments and remote real-time water flow measurement.
The utility model embodiment additionally provides a kind of water flow measuring method, is applied to measuring water flow above-mentioned and fills
It sets, it is characterised in that:
When water flow is flowed into from the water inlet, the impeller starts to rotate under the promotion of the water flow；
First magnet installed on impeller is started turning also with impeller, when first magnet rotors are to close to outstanding
It when the second magnet of arm beam free end, has an effect therebetween, causes described because of the gravitation or repulsion between magnet
Deformation occurs for cantilever beam；
On the basis of deformation occurs for the cantilever beam, it is placed in inside the cantilever beam or the fiber grating on surface passes
The wavelength of optical signal in sensor changes；
Receive and demodulate the optical signal of the fiber-optic grating sensor output；
According to the real-time wavelength data of the optical signal, calculates the size of the water flow and presented.
Due to the characteristic that magnet has homopolar-repulsion or there is a natural attraction between the sexes, when the fluid impact impeller as water, water
Power potential energy impeller carry out circular motion, be bonded in magnet each cycle on impeller all can with it is Nian Jie on a cantilever beam
Magnet generates repulsive force, so that cantilever beam generating period is bent, is pasted onto the fiber bragg grating of cantilever beam middle part surface
Physical deformation is also occurred therewith by the curved power of cantilever beam, the physical deformation of fiber bragg grating leads to its refractive index and week
Phase changes simultaneously, and the variation of the two also further determines the wherein long variation occurred of cardiac wave.It is direct in cantilever beam front
By the active force of magnet, the variable quantity of the central wavelength of fiber bragg grating increases, and waveform and wavelength show one
The form of kind jump.It is drifted about and is jumped according to fiber bragg grating central wavelength, the number of statistics wavelength jump is revolved with impeller
The accumulative revolution of the wing is directly proportional, calculates the relationship of outdegree and Water interaction, can calculate the size of fluid flow.
The utility model embodiment is measured using fiber grating sensing technology come flow, the flow velocity to water flow.Firstly,
Fiber grating sensing technology has higher reliability and validity, compared to conditional electronic formula sensor, optical fiber grating sensing
Device overcomes electromagnetic interference and actively powered limitation, also has the characteristics that highly sensitive, anticorrosive, high temperature resistant, and optical fiber
Grating sensor it is small in size, at low cost, be suitble to be widely used in every field.Compared to the fiber optics displacement based on light-intensity test
Sensor, fiber-optic grating sensor, will not be because of the decaying shadows of power due to the frequency that the variable of detection is center wavelength
The change of measurand is rung, measurement and transmission are more stable.The measurement that fiber grating sensing technology is applied to water flow can be more
The deficiency of conventional water meter measurement water device is mended, but also is able to satisfy under more complex environments and remote real-time water measurement.
It is schematical, only a kind of logical function partition to the division of module in the utility model above-described embodiment,
There may be another division manner in actual implementation, in addition, each functional module in each embodiment of the application can integrate
In a processor, it is also possible to physically exist alone, can also be integrated in two or more modules in a module.
Above-mentioned integrated module both can take the form of hardware realization, can also be realized in the form of software function module.
The electronic equipment of the utility model embodiment exists in a variety of forms, including but not limited to:
(1) mobile communication equipment: the characteristics of this kind of equipment is that have mobile communication function, and to provide speech, data
Communication is main target.This Terminal Type includes: smart phone (such as iPhone), multimedia handset, functional mobile phone and low
Hold mobile phone etc..
(2) super mobile personal computer equipment: this kind of equipment belongs to the scope of personal computer, there is calculating and processing function
Can, generally also have mobile Internet access characteristic.This Terminal Type includes: PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device: this kind of equipment can show and play multimedia content.Such equipment includes: sound
Frequently, video player (such as iPod), handheld device, e-book and intelligent toy and portable car-mounted navigation equipment.
(4) server: providing the equipment of the service of calculating, and the composition of server includes processor 1010, hard disk, memory, is
Bus of uniting etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, is handling
Ability, stability, reliability, safety, scalability, manageability etc. are more demanding.
(5) other electronic devices with data interaction function.
The apparatus embodiments described above are merely exemplary, wherein module can be as illustrated by the separation member
Or may not be and be physically separated, the component shown as module may or may not be physical module, i.e.,
It can be located in one place, or may be distributed on multiple network modules.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
The utility model embodiment provides a kind of non-volatile computer readable storage medium storing program for executing, and non-volatile computer is readable
Storage medium is stored with program instruction, when electronic equipment executes program instructions, for executing the side in above method embodiment
Method and step.
The utility model embodiment provides a kind of computer program product, wherein computer program product includes storage
Computer program in non-transient computer readable storage medium, computer program include program instruction, wherein when program refers to
When order is executed by electronic equipment, electronic equipment is made to execute the method in above-mentioned any means embodiment.
Each functional module in each embodiment of the utility model can integrate in one processing unit, be also possible to
Modules physically exist alone, and can also be integrated in one unit with two or more modules.Above-mentioned integrated unit
Both it can take the form of hardware realization, can also have been realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Device (can be personal computer, server or network equipment etc.) or intelligent terminal or processor (Processor)
Execute the part steps of each embodiment method of the utility model.And storage medium above-mentioned include: USB flash disk, it is mobile hard disk, read-only
Memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or
The various media that can store program code such as person's CD.
In above-described embodiment provided by the utility model, it should be understood that disclosed device and method, Ke Yitong
Other modes are crossed to realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of module, only
Only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.
Module may or may not be physically separated as illustrated by the separation member, show as module
Component may or may not be physical module, it can and it is in one place, or may be distributed over multiple networks
On unit.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
The above is only the embodiments of the present invention, are not intended to limit the scope of the patents of the utility model, although referring to before
Embodiment is stated the utility model is described in detail, it, still can be right for coming for those skilled in the art
Technical solution documented by aforementioned each specific embodiment is modified, or carries out equivalent replace to part of technical characteristic
It changes.All equivalent structures done using the utility model specification and accompanying drawing content are directly or indirectly used in other correlations
Technical field, similarly within the utility model patent protection scope.
Claims (9)
1. a kind of water flow measuring device, including water inlet, water outlet, which is characterized in that the water flow measuring device also wraps
It includes:
Impeller is arranged between the water inlet and the water outlet, and the impeller includes multiple blades, in the multiple leaf
The end of at least one blade in piece is provided with the first magnet；
Cantilever beam, the cantilever beam are arranged above the impeller, and the cantilever beam has fixing end and free end, close to institute
The free end for stating cantilever beam is provided with the second magnet；
Fiber-optic grating sensor is set at the ontology of the cantilever beam；
Fiber grating demodulation device is connected by optical fiber with the fiber-optic grating sensor, is received and is demodulated from the optical fiber light
The real-time wavelength data of the optical signal of gate sensor；
Signal processing module calculates the size of the water flow and is presented according to the real-time wavelength data.
2. water flow measuring device according to claim 1, wherein at least one blade in the multiple blade
End is provided with the first magnet
The end of a blade in the multiple blade is provided with the first magnet.
3. water flow measuring device according to claim 1, wherein at least one blade in the multiple blade
End is provided with the first magnet
The end of equally distributed multiple blades is provided with multiple first magnet on the impeller.
4. water flow measuring device according to claim 1, wherein described device further includes shell, the water inlet and
The water outlet is respectively arranged at the shell close to the two sides of bottom；The impeller, the cantilever beam are all set in described outer
The inside of shell；The fixing end of the cantilever beam is fixed on the inner sidewall of the shell；The optical fiber passes through the shell side
Wall is connected to the fiber grating demodulation device of the shell exterior.
5. water flow measuring device according to claim 4, wherein the wheel disc of the impeller is in that vertical direction is placed
In the interior of shell, side blade faces the water inlet, and when water flow is flowed into from the water inlet, the impeller can
It is rotated under the promotion of the water flow.
6. water flow measuring device according to claim 1, wherein second magnet is corresponding with first magnet to be set
It sets, when first magnet turns to immediately below the cantilever beam with blade, second magnet is located at first magnet
Position directly above or near, enable the two generate magnetic force induction effect.
7. water flow measuring device according to claim 1, wherein the homopolarity of second magnet and first magnet
It is oppositely arranged.
8. water flow measuring device according to claim 1, wherein the water flow measuring device further includes wireless communication
Module, for the real-time wavelength data to be transferred to the signal processing module of distal end.
9. water flow measuring device according to claim 1, wherein the water flow measuring device further includes filter module
Block, for being filtered to the impurity in water flow before water flow enters the water inlet.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110006495A (en) * | 2019-04-26 | 2019-07-12 | 南京溯极源电子科技有限公司 | A kind of water flow measuring device and method based on single impeller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110006495A (en) * | 2019-04-26 | 2019-07-12 | 南京溯极源电子科技有限公司 | A kind of water flow measuring device and method based on single impeller |
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