CN207439487U - Flow detector and system - Google Patents
Flow detector and system Download PDFInfo
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- CN207439487U CN207439487U CN201721649342.1U CN201721649342U CN207439487U CN 207439487 U CN207439487 U CN 207439487U CN 201721649342 U CN201721649342 U CN 201721649342U CN 207439487 U CN207439487 U CN 207439487U
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Abstract
The utility model embodiment provides a kind of flow detector and system, belongs to flow detection technical field.Flow detector includes：Pipeline, hydraulic pressure flow detection module, solenoid valve and the main control module being electrically connected with hydraulic pressure flow detection module and solenoid valve；Pipeline is divided into hydrospace and goes out hydrospace after closure of the solenoid valve in pipeline, hydraulic pressure flow detection module is arranged on out in hydrospace.By main control module according to the detection of hydraulic pressure flow detection module come judge hydrospace whether decompression.When being judged as YES, then master control module controls solenoid valve is opened, and so as to generate current by pressure differential, the current flow signal that main control module is sent according to hydraulic pressure flow detection module obtains flow value.Therefore, the initial closure state of solenoid valve is passed through so that afterwards regardless of whether there is the phenomenon that water clock, the current generated are opened according to follow-up solenoid valve can accurately count flow value.
Description
Technical field
The utility model is related to flow detection technical field, in particular to a kind of flow detector and system.
Background technology
At present, the mode of flowmeter statistics can be used to obtain user's used water in daily life.
During using which, if the just common water of user, then which can accurately obtain water used by a user.
If but user with water there are the phenomenon that water clock, water during water clock in pipe remains static, then the stream which is obtained
Amount can have leakage meter.
Therefore, the water consumption of user how can also be accurately counted in the state of water clock is current one disaster of industry
Topic.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of flow detector and system, can effectively change
The kind above problem.
The realization method of the utility model embodiment is as follows：
In a first aspect, the utility model embodiment provides a kind of flow detector, including：Pipeline, the inspection of hydraulic pressure flow
Survey module, solenoid valve and the main control module being electrically connected with the hydraulic pressure flow detection module and the solenoid valve；The electricity
The pipeline is divided into hydrospace after the solenoid closure in the pipeline and goes out hydrospace, the hydraulic pressure by magnet valve
Flow detection module is arranged in the pipeline.The main control module, for the detection according to the hydraulic pressure flow detection module
Come judge it is described go out hydrospace whether decompression, when to be, the solenoid valve is controlled to be in an open state by closure state switching, root
The current flow signal sent according to the hydraulic pressure flow detection module obtains flow value.
Further, the flow detector further includes：Water feeding pressure detection module, the water feeding pressure detection module
It is arranged on described into hydrospace, the water feeding pressure detection module is electrically connected with the main control module.The water feeding pressure inspection
Module is surveyed, it is described into the current water feeding pressure value in hydrospace for detecting, the current water feeding pressure value is sent to described
Main control module.The main control module, for obtaining working as between the current water feeding pressure value and the current water outlet hydraulic pressure value
Preceding pressure difference value, according to the current pressure whether more than predetermined threshold value come go out described in judging hydrospace whether decompression, be yes
When, the solenoid valve is controlled to be in an open state by closure state conversion, and according to institute after the solenoid valve is in opening state
The current flow signal for stating the transmission of hydraulic pressure flow detection module obtains the flow value.
Further, the hydraulic pressure flow detection module includes：Water outlet hydraulic pressure detection unit and water flow detection unit,
The water outlet hydraulic pressure detection unit and the water flow detection unit are electrically connected with the main control module.The water outlet hydraulic pressure
Detection unit, for detect it is described go out hydrospace in the current water outlet hydraulic pressure value, will the current water outlet hydraulic pressure value transmission
To the main control module.The water flow detection unit, for detect it is described go out hydrospace in the current flow signal,
The current flow signal is sent to the main control module.
Further, the water feeding pressure detection module is first pressure signal transducer.
Further, the water outlet hydraulic pressure detection unit is second pressure signal transducer.
Further, the water flow detection unit is flowmeter.
Further, the flow detector further includes：The communication module being connected with the main control module, the communication
Module is used to be connected with terminal device by wireless network.
Further, the communication module is short message communication chip.
Further, the main control module is microcontroller.
Second aspect, the utility model embodiment provide a kind of flow quantity detecting system, and the flow quantity detecting system includes：
Terminal device and the flow detector, the flow detector are used to connect by wireless network and the terminal device
It connects.
The advantageous effect of the present embodiment is：
By being divided into hydrospace by pipeline after closure of the solenoid valve in pipeline and going out hydrospace, so that with user's
With water, it can the hydraulic pressure in hydrospace to continuously decrease.Further through main control module according to hydraulic pressure flow detection module detect come
Judge hydrospace whether decompression.When being judged as YES, then master control module controls solenoid valve is opened, so as to be generated by pressure differential
Current, and then by current, the current flow signal that main control module is sent according to hydraulic pressure flow detection module obtains flow value.Cause
This, passes through the initial closure state of solenoid valve so that afterwards regardless of whether there is the phenomenon that water clock, is opened and produced according to follow-up solenoid valve
Raw current can accurately count flow value.
Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification
It becomes apparent or is understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can
It realizes and obtains by specifically noted structure in the specification, claims and attached drawing write.
Description of the drawings
It 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
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.By the way that shown in attached drawing, the above and other purpose, feature and advantage of the utility model will more
Clearly.Identical reference numeral indicates identical part in whole attached drawings.Do not painted by actual size equal proportion scaling deliberately
Attached drawing processed, it is preferred that emphasis is show the purport of the utility model.
Fig. 1 shows a kind of sectional view for flow detector that the utility model first embodiment provides；
Fig. 2 shows a kind of first structure block diagram for flow detector that the utility model first embodiment provides；
Fig. 3 shows a kind of the second structure diagram of flow detector that the utility model first embodiment provides；
Fig. 4 shows a kind of flow chart for flow rate testing methods that the utility model second embodiment provides；
Fig. 5 shows the flow of step S100 in a kind of flow rate testing methods that the utility model second embodiment provides
Figure；
Fig. 6 shows a kind of structure diagram for flow quantity detecting system that the utility model 3rd embodiment provides.
Icon：100- flow detectors；110- pipelines；111- is into hydrospace；112- goes out hydrospace；120- solenoid valves；
130- water feeding pressure detection modules；140- hydraulic pressure flow detection modules；141- water outlet hydraulic pressure detection units；142- water flows are examined
Survey unit；150- main control modules；160- communication modules；200- flow quantity detecting systems；210- terminal devices.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Term " first ", " the
Two " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or removable
It unloads connection or is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
First embodiment
It please refers to Fig.1 and Fig. 2, the utility model first embodiment provides a kind of flow detector 100, flow inspection
Surveying device 100 includes：Pipeline 110, solenoid valve 120, water feeding pressure detection module 130, hydraulic pressure flow detection module 140, master control
Module 150 and communication module 160.Wherein, solenoid valve 120, water feeding pressure detection module 130,140 and of hydraulic pressure flow detection module
Communication module 160 is electrically connected with main control module 150.
Pipeline 110 is as the perforative tubular structure made by rigid material.In the present embodiment, 110 longitudinal section of pipeline
Shape can be：Round, rectangle is polygonal etc., and optionally, to ensure the convenience of actual use installation, pipeline 110 is vertical
The shape in section may be selected to be circle, but not limit.In addition, 110 length of pipeline, is for straight tubbiness or tool with pipeline 110
There are one or multiple bendings, can be made choice according to actual place and cost needs size.
The inside of pipeline 110 is hollow, therefore after solenoid valve 120 sets 110 inside of pipeline, if the lock of the solenoid valve 120
Door is closed, and then the inside of pipeline 110 is then split by the solenoid valve 120 for being in closure state for two independent spaces.
One of space is into hydrospace 111, other in which space Ze Weichu hydrospaces 112.It may be connected to certainly into hydrospace 111
The water supply side of water, the tap water obtained from water supply side can be under the closure states of solenoid valve 120 into depositing in hydrospace 111
Storage.Go out hydrospace 112 be then connected to for water side, go out in hydrospace 112 to be also stored with after solenoid valve 120 is opened from water inlet
The tap water that space 111 obtains.With user with water side to going out the use of the tap water stored in hydrospace 112, in electromagnetism
Under the closure state of valve 120, the tap water gone out in hydrospace 112 can gradually decrease.
Solenoid valve can be the solenoid valve 120 of conventional type number, for example, its model can be DN40-2000 types.Solenoid valve is pacified
In pipeline 110, specifically, the size of solenoid valve can be adapted to the internal diameter of pipeline 110, therefore the edge of solenoid valve can be with pipe
The inner wall in road 110 is fixedly connected, so that solenoid valve is arranged in pipeline 110.
Solenoid valve 120 is in the initial state for valve closure state, therefore the closure of solenoid valve valve is by the inside of pipeline 110
It is partitioned into hydrospace 111 and goes out hydrospace 112.The control terminal of solenoid valve 120 can be connected with main control module 150 by conducting wire
It connects, and solenoid valve 120 can be that low level or high level trigger.When solenoid valve 120 obtains the triggering letter of the transmission of main control module 150
Number when, under the driving of the trigger signal, solenoid valve 120 can switch to opening state by closure state, so that into hydrospace 111
It is connected with hydrospace 112 is gone out.The continuous action of trigger signal may be such that solenoid valve 120 is lasting to solenoid valve 120 and stay open
State.And after continuing to trigger signal to disappear, then solenoid valve 120 is just recovered by opening state to initial closure state again.
As depicted in figs. 1 and 2, water feeding pressure detection module 130 can be the sensor of integrated circuit, wherein, water of intaking
It can be first pressure signal transducer to press detection module 130.For example, trigger-type can be used in water feeding pressure detection module 130
Pressure signal sensor；Also for example, the pressure signal that the detection of high-precision pressure value can also be used in water feeding pressure detection module 130 passes
Sensor.Certainly, in actual implementation, water feeding pressure detection module 130 can be selected then according to actual cost and demand..
In the present embodiment, water feeding pressure detection module 130 be arranged in pipeline 110 into hydrospace 111.Specifically,
Water feeding pressure detection module 130 can be by being fixedly connected, so as to fulfill being arranged on into hydrospace 111 with the inner wall of pipeline 110.
Water feeding pressure detection module 130 is by being arranged on into hydrospace 111, therefore water feeding pressure detection module 130 is sustainable empty to water inlet
Between whether water shortage is detected in 111.
As a kind of mode, if water feeding pressure detection module 130 is using trigger-type, water feeding pressure detection module 130
The first pressure threshold value of a pressure can be set.If into the hydraulic pressure in hydrospace 111 when less than the first pressure threshold value, water of intaking
Pressure detection module 130 is failure to actuate.If into the hydraulic pressure in hydrospace 111 when higher than the first pressure threshold value, water feeding pressure inspection
It surveys module 130 and can be used for the first trigger signal of generation.
Alternatively, if water feeding pressure detection module 130 detects for high-precision pressure value, water feeding pressure inspection
Module 130 is surveyed to can be used for detecting into the current water feeding pressure value in hydrospace 111.
After connection of the output terminal of water feeding pressure detection module 130 by conducting wire and main control module 150, water feeding pressure detection
Module 130 first trigger signal or detects current water feeding pressure value generating, then by first trigger signal or should advance
Water hydraulic pressure value is exported by conducting wire to main control module 150, in order to which main control module 150 according to the first trigger signal or works as advancing water
Hydraulic pressure value carries out subsequent processing.
As depicted in figs. 1 and 2, hydraulic pressure flow detection module 140 can go out mounted on described in being arranged in hydrospace 112, and
Pass through the connection with main control module 150.Therefore hydraulic pressure flow detection module 140 can be used for by going out hydraulic pressure in hydrospace 112
Detection come cause main control module 150 judge hydrospace 112 whether decompression.Hydraulic pressure flow detection module 140 is additionally operable to detect
Current flow signal in hydrospace 112, and the current flow signal is also sent to main control module 150.
As a kind of mode, hydraulic pressure flow detection module 140 can be multiple functional integrated electronic circuits in physics
On it is integrated, i.e., multiple electronic circuits have carried out integrated design encapsulation.And the also multiple functionality of hydraulic pressure flow detection module 140
Integrated electronic circuit physically carry out distributed arrangement, i.e., multiple electronic circuits logically be considered as form one it is whole
The hydraulic pressure flow detection module 140 of body.
As shown in figures 1 and 3, in the present embodiment, hydraulic pressure flow detection module 140 may include：Water outlet hydraulic pressure detection unit
141 and water flow detection unit 142.
Water outlet hydraulic pressure detection unit 141 is used for through the detection to going out hydraulic pressure in hydrospace 112 come main control module 150
Judge hydrospace 112 whether decompression.Specifically, water outlet hydraulic pressure detection unit 141 can be the sensor of integrated circuit,
In, water outlet hydraulic pressure detection unit 141 can be second pressure signal transducer.For example, water outlet hydraulic pressure detection unit 141 can also adopt
With the pressure signal sensor of trigger-type；Or the pressure of high-precision pressure value detection can also be used in water outlet hydraulic pressure detection unit 141
Signal transducer.Certainly, in actual implementation, water outlet hydraulic pressure detection unit 141 can be selected then according to actual cost and demand.
In the present embodiment, water outlet hydraulic pressure detection unit 141 is arranged on going out in hydrospace 112 in pipeline 110.Specifically,
Water outlet hydraulic pressure detection unit 141 can be by being fixedly connected, so as to fulfill being arranged on out in hydrospace 112 with the inner wall of pipeline 110.
As a kind of mode, if water outlet hydraulic pressure detection unit 141 is using trigger-type, water outlet hydraulic pressure detection unit 141
The second pressure threshold value of a pressure can be set.If go out the hydraulic pressure in hydrospace 112 when less than the second pressure threshold value, water outlet water
Pressure detection unit 141 is failure to actuate.If going out the hydraulic pressure in hydrospace 112 when higher than the second pressure threshold value, the inspection of water outlet hydraulic pressure
It surveys unit 141 and can be used for the second trigger signal of generation.
It is understood that ensure the working properly of equipment, the first pressure threshold value of setting should be more than second pressure threshold
Value.
Alternatively, if water outlet hydraulic pressure detection unit 141 detects for high-precision pressure value, the inspection of water outlet hydraulic pressure
Unit 141 is surveyed to can be used for detecting out the current water outlet hydraulic pressure value in hydrospace 112.
After connection of the output terminal of water outlet hydraulic pressure detection unit 141 also by conducting wire and main control module 150, the inspection of water outlet hydraulic pressure
Unit 141 is surveyed to generate the second trigger signal or when detecting current water outlet hydraulic pressure value, then believing the second triggering of the generation
Number or the current water outlet hydraulic pressure value exported by conducting wire to main control module 150, in order to which main control module 150 is according to the second of generation
Trigger signal or current water outlet hydraulic pressure value carry out subsequent processing.
As shown in figures 1 and 3, water flow detection unit 142 may be provided in pipeline 110, for ease of more accurate inspection
It surveys, the position set can be positioned at into hydrospace 111 or going out in hydrospace 112, and close to solenoid valve 120.Optionally, water outlet
Flow detection unit 142 can be set out in hydrospace 112, and for detecting the current flow signal in hydrospace 112, it ought
Preceding flow signal is sent to main control module 150.Specifically, water flow detection unit 142 can be the sensor of integrated circuit,
Wherein, water flow detection unit 142 can be flowmeter.For example, the model of water flow detection unit 142 can be FE-
500EX type pipeline flowmeters.
In the present embodiment, water flow detection unit 142 is arranged on going out in hydrospace 112 in pipeline 110.Specifically,
Water flow detection unit 142 can be by being fixedly connected, so as to fulfill being arranged on out in hydrospace 112 with the inner wall of pipeline 110.
Water flow detection unit 142 is by being arranged on out hydrospace 112, therefore water flow detection unit 142 can be in any case
Detect out the current flow signal corresponding to the current of originally water flowing generation in hydrospace 112.
After connection of the output terminal of water flow detection unit 142 also by conducting wire and main control module 150, water flow inspection
It surveys unit 142 and is detecting current flow signal, then export the current flow signal to main control module 150 by conducting wire, with
Subsequent processing is carried out according to current flow signal convenient for main control module 150.
It should be noted that water flow detection unit 142 can be detected out in any case in hydrospace 112
Current flow signal, that is, the flow velocity for going out current in hydrospace 112 is more than the minimum detected value of water flow detection unit 142
When, water flow detection unit 142 can detect corresponding current flow signal.It is understood that going out hydrospace 112
In the case of water clock when being not used there are user or in the case of the storage water that goes out in hydrospace 112 is used by a user, due to water
Reduction very little, therefore the water gone out in hydrospace 112 is still substantially at static state actually, therefore in these cases, water flow inspection
Current flow signal can not be detected by surveying unit 142.It is hydrospace 112 there are during water clock, flow detector 100 is not
It directly can go to measure the data of water clock under water clock state, but cause the current water outlet water in hydrospace 112 by water clock
After pressure value continuously decreases, measured in subsequent entirety and use water summation comprising water clock.
It please refers to Fig.1 and Fig. 3, main control module 150 is the ic core for possessing signal reception, transmission and processing capacity
Piece.Wherein, main control module 150 can be microcontroller, and the model of main control module 150 can be any model of STM32 series.
The I/O ports of main control module 150, for example, arbitrary 4 pins in PA0-PA7 pins can be examined with corresponding water feeding pressure respectively
Survey module 130, the water outlet hydraulic pressure detection unit 141 in hydraulic pressure flow detection module 140 and water flow detection unit 142, with
And communication module 160 connects.In addition, the TIM1 serial ports in main control module 150 can be as the serial ports of triggering control and solenoid valve 120
Connection.
As first way, main control module 150 is obtaining water feeding pressure by above-mentioned connection relation, main control module 150
The first trigger signal and obtain the second trigger signal that water outlet hydraulic pressure detection unit 141 is sent that detection module 130 is sent.
Wherein, the first trigger signal is symbolized into 111 non-water shortage of hydrospace, and the second trigger signal has symbolized out hydrospace 112
Decompression.And then main control module 150 when obtaining the first trigger signal and the second trigger signal, then main control module 150 can be according to pre-
If one trigger signal of control Program Generating to solenoid valve.
As second way main control module 150 by above-mentioned connection relation, main control module 150 can obtain the inspection of water outlet hydraulic pressure
Survey unit 141 send current water outlet hydraulic pressure value, and according to the current water outlet hydraulic pressure value judge hydrospace 112 whether decompression.
A pressure threshold is preset in main control module 150, which can be pressing force threshold to decompression shape
The critical value of state.Main control module 150 can be by current water outlet hydraulic pressure value compared with pressure threshold, to judge current water outlet water
Whether pressure value is less than pressure threshold.It is understood that in normal state, go out produced by the tap water of 112 memory storage of hydrospace
Current water outlet hydraulic pressure value be greater than the pressure threshold.With continuing for user's water or continuing for water clock, then currently go out
Water hydraulic pressure value can continuously decrease.When the current water outlet hydraulic pressure value is also greater than pressure threshold, main control module 150 is judged as NO, and
According to judgement then without further control operation.When the current water outlet hydraulic pressure value decreases below pressure threshold, then lead
Control module 150 is judged as YES, that is, goes out the decompression of hydrospace 112.Then main control module 150 can be according to default control Program Generating one
A trigger signal is to solenoid valve.
As the third embodiment, the predetermined threshold value of a pressure differential is preset in main control module 150, this is default
Difference when threshold value can be pressing force threshold to decompression state between normal pressure and decompression pressure.Main control module 150 is obtaining
After current water feeding pressure value and current water outlet hydraulic pressure value, due to deserving advancing water hydraulic pressure value as normal pressure value, and then master control
Module 150 can further obtain the current pressure difference between current water feeding pressure value and current water outlet hydraulic pressure value.Afterwards, it is main
Module 150 is controlled by current pressure difference compared with predetermined threshold value, to judge whether current pressure difference is less than default threshold
Value.It is understood that in normal state, going out current water outlet hydraulic pressure value caused by the tap water of 112 memory storage of hydrospace is
More than the pressure threshold, and then current pressure difference is also greater than predetermined threshold value.With user water continue or water clock
Continue, then current water outlet hydraulic pressure value can continuously decrease.When the current water outlet hydraulic pressure value is also greater than predetermined threshold value, main control module
150 are judged as NO, and according to judgement then without further control operation.When current water outlet hydraulic pressure value reduction is most current
When water outlet hydraulic pressure value is less than predetermined threshold value, then main control module 150 is judged as YES, that is, goes out the decompression of hydrospace 112.Then main control module
150 also can be according to default control one trigger signal of Program Generating to solenoid valve.
Afterwards, the output that the trigger signal that main control module 150 is generated can continue is to solenoid valve, so that solenoid valve is by being closed
State switching is in an open state, and solenoid valve 120 lasting is kept open in the state for obtaining trigger signal.Electromagnetism
After valve 120 is opened, cause into hydrospace 111 and the pressure difference value gone out between hydrospace 112 anxious into the tap water in hydrospace 111
The flow direction of speed goes out hydrospace 112, thus main control module 150 just can obtain it is current detected by water flow detection unit 142
Flow signal.Just so that into hydrospace 111 and to go out pressure between hydrospace 112 equal can be continued for some time due to current again after
Weighing apparatus, therefore, main control module 150 can obtain the current flow signal continued for some time.Further, 150 basis of main control module
Current flow signal then obtains the flow value that hydrospace 112 is flow to out into hydrospace 111.The flow value is namely in solenoid valve
In 120 last openings to the time of this opening, the water used in user.Afterwards, when into hydrospace 111 and going out hydrospace
Pressure initiation between 112 is balanced, and when main control module 150 does not obtain the current flow signal, then main control module 150 is also corresponding
Stopping generate and send trigger signal to solenoid valve so that solenoid valve 120 is restored to closure state.
In the present embodiment, the time at the moment can also be recorded in main control module 150 at the time of trigger signal is generated,
And user obtained according to the time of the time and last record this uses period of water, and then by period and the stream obtained
Magnitude is packaged as this use water information of user.By the connection with communication module 160, then this is sent to communication with water information
Module 160.
Referring to Fig. 3, communication module 160 can be the IC chip for possessing signal communication capability, for example, communication mould
Block 160 can be short message communication chip, and model can be：USR-GPRS232-7S3 types.The RS-232 strings of communication module 160
Mouth can be connected by converter with main control module 150.In addition, communication module 160 is also used for and external end by wireless network
End equipment 210 connects.When communication module 160 obtains after using water information of the transmission of main control module 150, communication module 160 uses this
Water information carries out code conversion, this is sent to corresponding terminal device 210 with water information so as to fulfill in the form of short message.
Second embodiment
Referring to Fig. 4, the utility model second embodiment provides a kind of flow rate testing methods, flow rate testing methods application
In the main control module of flow detector.Flow rate testing methods include：
Step S100：Go out described in being judged according to the detection of the hydraulic pressure flow detection module hydrospace whether decompression.
Step S200：When to be, the solenoid valve is controlled to be in an open state by closure state switching, according to the hydraulic pressure
The current flow signal that flow detection module is sent obtains flow value.
Referring to Fig. 5, in a kind of flow rate testing methods provided in the utility model second embodiment, step S100 is also wrapped
It includes：
S110：Obtain the current pressure difference between current water feeding pressure value and the current water outlet hydraulic pressure value.
S120：According to the current pressure whether more than predetermined threshold value come go out described in judging hydrospace whether decompression.
It should be noted that due to it is apparent to those skilled in the art that, convenience and letter for description
Clean, the specific work process of the method for foregoing description may be referred to corresponding in the embodiment of aforementioned system, device and unit
Journey, details are not described herein.
3rd embodiment
Referring to Fig. 6, the utility model first embodiment provides a kind of flow quantity detecting system 200, the flow detection system
System 200 includes：Terminal device 210 and flow detector 100.
Specifically, terminal device 210 can be tablet computer, smart mobile phone, personal digital assistant (personal
Digital assistant, PDA) etc..In the present embodiment, terminal device 210 may be selected to be the smart mobile phone of user.Terminal is set
After standby 210 are connected by wireless network with flow detector 100, terminal device 210 then can obtain flow with short message mode
What detection device 100 was sent uses water information, and by this with water presentation of information so that user intuitively accurately know oneself use water
Situation.
In conclusion the utility model embodiment provides a kind of flow detector and system.Flow detector bag
It includes：Pipeline, hydraulic pressure flow detection module, solenoid valve and the master control being electrically connected with hydraulic pressure flow detection module and solenoid valve
Module；Pipeline is divided into hydrospace and goes out hydrospace after closure of the solenoid valve in pipeline, hydraulic pressure flow detection module is set
It puts and in hydrospace.Main control module, for according to hydraulic pressure flow detection module detect judge hydrospace whether decompression,
During to be, control solenoid valve is in an open state by closure state switching, and according to hydraulic flow after solenoid valve is in opening state
It measures the current flow signal that detection module is sent and obtains flow value.
By being divided into hydrospace by pipeline after closure of the solenoid valve in pipeline and going out hydrospace, so that with user's
With water, it can the hydraulic pressure in hydrospace to continuously decrease.Further through main control module according to hydraulic pressure flow detection module detect come
Judge hydrospace whether decompression.When being judged as YES, then master control module controls solenoid valve is opened, so as to be generated by pressure differential
Rapidly current, and then by current, the current flow signal that main control module is sent according to hydraulic pressure flow detection module obtains flow
Value.Therefore, the initial closure state of solenoid valve is passed through so that afterwards regardless of whether there is the phenomenon that water clock, according to follow-up solenoid valve
Opening the current generated can accurately count flow value.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of flow detector, which is characterized in that including：Pipeline, hydraulic pressure flow detection module, solenoid valve and with institute
State the main control module that hydraulic pressure flow detection module and the solenoid valve are electrically connected；The solenoid valve is described in the pipeline
The pipeline is divided into hydrospace and goes out hydrospace after solenoid closure, the hydraulic pressure flow detection module is arranged on described
In pipeline；
The main control module goes out whether hydrospace loses described in judging for the detection according to the hydraulic pressure flow detection module
Pressure when to be, controls the solenoid valve to be in an open state by closure state switching, is sent out according to the hydraulic pressure flow detection module
The current flow signal sent obtains flow value.
2. flow detector according to claim 1, which is characterized in that the flow detector further includes：Water inlet
Hydraulic pressure detection module, the water feeding pressure detection module be arranged on it is described into hydrospace, the water feeding pressure detection module with
The main control module electrical connection；
The water feeding pressure detection module, it is described into the current water feeding pressure value in hydrospace for detecting, it will be described when advance
Water hydraulic pressure value is sent to the main control module；
The main control module, for obtaining the current pressure between the current water feeding pressure value and the current water outlet hydraulic pressure value
Difference, according to the current pressure whether more than predetermined threshold value come go out described in judging hydrospace whether decompression, when to be, control
The solenoid valve is in an open state by closure state conversion, and according to the hydraulic flow after the solenoid valve is in opening state
It measures the current flow signal that detection module is sent and obtains the flow value.
3. flow detector according to claim 2, which is characterized in that the hydraulic pressure flow detection module includes：Go out
Water hydraulic pressure detection unit and water flow detection unit, the water outlet hydraulic pressure detection unit and the water flow detection unit are equal
It is electrically connected with the main control module；
The water outlet hydraulic pressure detection unit, for detect it is described go out hydrospace in the current water outlet hydraulic pressure value, described will work as
Preceding water outlet hydraulic pressure value is sent to the main control module；
The water flow detection unit, for detect it is described go out hydrospace in the current flow signal, will it is described currently
Flow signal is sent to the main control module.
4. flow detector according to claim 3, which is characterized in that the water feeding pressure detection module is the first pressure
Force signal sensor.
5. flow detector according to claim 3, which is characterized in that the water outlet hydraulic pressure detection unit is the second pressure
Force signal sensor.
6. flow detector according to claim 3, which is characterized in that the water flow detection unit is flow
Meter.
7. according to the flow detector described in claim 1-6 any one, which is characterized in that the flow detector is also
Including：The communication module being connected with the main control module, the communication module are used to be connected with terminal device by wireless network.
8. flow detector according to claim 7, which is characterized in that the communication module is short message communication chip.
9. flow detector according to claim 1, which is characterized in that the main control module is microcontroller.
10. a kind of flow quantity detecting system, which is characterized in that the flow quantity detecting system includes：Terminal device and such as claim
Flow detector described in 1-9 any one, the flow detector are used for through wireless network and the terminal device
Connection.
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| CN201721649342.1U CN207439487U (en) | 2017-11-29 | 2017-11-29 | Flow detector and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007515A (en) * | 2017-11-29 | 2018-05-08 | 鄂州市泽瑞高科分质供水工程有限公司 | Flow detector, method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007515A (en) * | 2017-11-29 | 2018-05-08 | 鄂州市泽瑞高科分质供水工程有限公司 | Flow detector, method and system |
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