CN207937011U - A kind of intelligent digital fluid flowmeter circuit for refueling nozzle - Google Patents
A kind of intelligent digital fluid flowmeter circuit for refueling nozzle Download PDFInfo
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- CN207937011U CN207937011U CN201721679027.3U CN201721679027U CN207937011U CN 207937011 U CN207937011 U CN 207937011U CN 201721679027 U CN201721679027 U CN 201721679027U CN 207937011 U CN207937011 U CN 207937011U
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Abstract
This application involves measuring equipment technical field, specially a kind of intelligent digital fluid flowmeter circuit for refueling nozzle.The utility model is made of independent microcontroller (MCU) circuit and liquid crystal display (LCD1) circuit, and it be battery tray position, J2 be that program downloads mouth position, 24C02 is power down storage chip, S3 be tongue tube position, VD1 is general-purpose diode that it, which includes display module (LCD1), micro-control unit (MCU), first resistor to the 9th resistance, the first button, the second button, the first capacitance to the 5th capacitance, J1,.The utility model is simple and reasonable, can intuitively check that the flow of liquid crystal (LCD1) above rises number and flow velocity, battery capacity, unit show that push-botton operation is simple, easy to use.
Description
Technical field
This application involves measuring equipment technical field, specially a kind of intelligent digital fluid flowmeter electricity for refueling nozzle
Road.
Background technology
Since economical production falls behind, until the main flow meter used in twentieth century generation, industry also only has orifice flow
Meter, pitot tube flowmeter, suspended body flowmeter, pointer flowmeter, mechanical flowmeter.
Fluid to be measured must be full of closed conduct in the prior art, otherwise can measurement accuracy be reduced, for that cannot fill
The liquid in full packages road, have certain error so that practical performance substantially reduces, at the same when enclosure interior parts need into
Row repair and cleaning when, dismounting installation it is more complicated, the display screen of another aspect flowmeter is all uprightly arranged, carry and
It is unfavorable for the keeping of equipment during transport, it is inconvenient to carry, it be easy to cause the damage of display screen.
As industrial production is more automated, the requirement to fluid flow detection technique is also higher and higher.To solve to produce
In liquid measure problem, be on the one hand to use new liquid measure principle, develop new fluid flow detection instrument, expand inspection
On the other hand the means of survey need to develop towards Microcomputer and intelligentized direction is realized.
In recent years, the fast development of microelectric technique makes fluid flow detection technique that essence variation have occurred.New
The application of testing principle and electronic unit makes fluid flowmeter more towards miniaturization and micromation, especially some small-sized scenes
Fluid flow development is exceedingly fast.Fluid flow detection is also just developing towards intelligent direction, in field of liquid flow measurement extensively
Using microprocessing, to realize fault diagnosis and warning function, accuracy, reliability, safety and the more work(of measurement are improved
Energyization.Realize that contactless type or impermeable formula measure as possible applying and designing fluid flow timing.
With popularizing for computer application, the digitlization liquid flow sensor of direct output digit signals has become this
The development trend of field instrument；With the development of nanotechnology, biotechnology, nanotechnology and biotechnology are in liquid flow
Application in measurement also will be increasing.
Generally speaking, fluid flowmeter will be towards micromation, high-precision, applied widely, low-power consumption, intelligent direction
Development.
Utility model content
There is problem for the above-mentioned prior art, the utility model provides a kind of intelligent digital liquid flow for refueling nozzle
Gauge circuit, to solve the problems, such as above-mentioned background technology, this circuit structure provided by the utility model is simple, detection
Precisely, dismounting is easy for installation, and easy to carry, easy to operate, Intelligent-counting is more accurate, more practical, more intuitively.
For this purpose, the utility model provides following technical proposals：A kind of intelligent digital fluid flowmeter for refueling nozzle
Circuit, the circuit include display module LCD1, micro-control unit MCU, battery socket J1, program download mouth J2, first resistor
R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance
R8, the 9th resistance R9, the first capacitance C1, the second capacitance C2, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, power down storage
Chip IC 1, general-purpose diode VD1, tongue tube, the first button, the second button；
The display module LCD1 is electrically connected with the micro-control unit MCU；
The micro-control unit MCU downloads mouth J2, power down storage chip IC1, the with the battery socket J1, program respectively
Four capacitance C4, general-purpose diode VD1, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance
R9, the 5th capacitance C5, the first button S1 and the second button S2 electrical connections；
The both ends of the battery socket J1, the 4th resistance R4 and the second capacitance C2 respectively with input power VDD and ground GND phases
Connection；
The first resistor R1, second resistance R2 and the one end 3rd resistor R3 are electrically connected with power vd D；
The first resistor R1, second resistance R2 and the 3rd resistor R3 other ends are connected with the power down storage chip IC1
It connects；
The general-purpose diode VD1 other ends are electrically connected with the 5th resistance R5 and the 4th capacitance C4 respectively；
The 5th resistance R5 other ends connect with power vd D；
The 4th capacitance C4 other ends connect with ground GND；
The both ends of the third capacitance C3 are connected with power vd D and ground GND respectively；
The 6th resistance R6 other ends are connected with power vd D；
The 9th resistance R9 other ends are connected with tongue tube S3；
The tongue tube S3 other ends are grounded GND；
The 7th resistance R7 and the 8th resistance R8 other ends are connected with power vd D；
The first button S1 and the second button S2 other ends are connected with ground GND.
Further, the power down storage chip IC1 models 24C02.
Further, the first button S1 is reset key.
Further, the second button S2 is that total integrated flow and flow velocity switch select button.
Further, the tongue tube S3 is sent to the display module LCD1 later for acquiring external signal and counting
In shown.
Technical solution provided by the present application includes following advantageous effects：The utility model passes through by refueling nozzle
Flowmeter electronics are installed, the data processing and display module in metering gun are acquired in data to be inputted, and data processing effect is improved
Rate improves the accuracy of data acquisition；The device can be calculated the quality of fluid, made by the mutual cooperation between element
Volume read-out is more accurate, and on certain depth, reduces data processing, improves the service life of refueling nozzle power supply.This
Utility model is simple and reasonable, can intuitively check that the flow of liquid crystal (LCD1) above rises number and flow velocity, battery capacity, unit
It has been shown that, push-botton operation is simple, easy to use.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of circuit knot of intelligent digital fluid flowmeter circuit for refueling nozzle provided by the embodiments of the present application
Structure schematic diagram.
Reference sign：
J1:Battery tray R4:4th resistance C2:Second capacitance IC1:240C02 power down storage chips
C1:First capacitance R1:First resistor R2:Second resistance R3:3rd resistor LCD1:Display module
J2:Program downloads mouth MCU:Micro-control unit C3:Third capacitance R5:5th resistance C4:4th capacitance
VD1:General-purpose diode R6:6th resistance R9:9th resistance C5:5th capacitance S3:Tongue tube
R7:7th resistance S1:First button R8:8th resistance S2:Second button
Specific implementation mode
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, other drawings may also be obtained based on these drawings.
As shown in Figure 1, a kind of intelligent digital fluid flowmeter circuit for refueling nozzle, the circuit includes display module
LCD1, micro-control unit MCU, battery socket J1, program download mouth J2, first resistor R1, second resistance R2,3rd resistor R3,
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the first capacitance C1,
Second capacitance C2, it third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, power down storage chip IC1, general-purpose diode VD1, does
Reed pipe, the first button, the second button；
The display module LCD1 is electrically connected with the micro-control unit MCU；
The micro-control unit MCU downloads mouth J2, power down storage chip IC1, the with the battery socket J1, program respectively
Four capacitance C4, general-purpose diode VD1, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance
R9, the 5th capacitance C5, the first button S1 and the second button S2 electrical connections；
The both ends of the battery socket J1, the 4th resistance R4 and the second capacitance C2 respectively with input power VDD and ground GND phases
Connection；
The first resistor R1, second resistance R2 and the one end 3rd resistor R3 are electrically connected with power vd D；
The first resistor R1, second resistance R2 and the 3rd resistor R3 other ends are connected with the power down storage chip IC1
It connects；
The general-purpose diode VD1 other ends are electrically connected with the 5th resistance R5 and the 4th capacitance C4 respectively；
The 5th resistance R5 other ends connect with power vd D；
The 4th capacitance C4 other ends connect with ground GND；
The both ends of the third capacitance C3 are connected with power vd D and ground GND respectively；
The 6th resistance R6 other ends are connected with power vd D；
The 9th resistance R9 other ends are connected with tongue tube S3；
The tongue tube S3 other ends are grounded GND；
The 7th resistance R7 and the 8th resistance R8 other ends are connected with power vd D；
The first button S1 and the second button S2 other ends are connected with ground GND.
One as the present embodiment technical solution improves greatly, the power down storage chip IC1 models 24C02.
One as the present embodiment technical solution improves greatly, and the first button S1 is reset key.
One as the present embodiment technical solution improves greatly, and the second button S2 is total integrated flow and flow velocity switching choosing
Select button.
One as the present embodiment technical solution improves greatly, after the tongue tube S3 is used to acquire external signal and counts
It is sent in the display module LCD1 and is shown.
The present embodiment uses technical grade component, adaptable；Using digital processing technology, Product Precision is high；Product from
All the safeguard procedures such as multiple filter is used effectively to inhibit noise on hardware to software, electromagnetism interference.
Particularly, flow refers to the amount of fluid that pipeline effective cross-section is flowed through in the unit interval, amount of fluid volume
It indicates to be known as volume flow, l/h etc..
Currently, flowmeter is a kind of velocity-type measuring instrumentss, since its is simple in structure, precision is high, and measurement range is wide,
It is small, it is easy to maintenance the advantages that.It is widely used in oil, chemical industry, medicine, traffic, food wait in industry and business.
Flowmeter is exactly a kind of instrument for measuring fluid flow in pipeline or open channel in simple terms, is commonly used in engineering single
Position rises (L), it can be divided into instantaneous flow (Flow Rate) and integrated flow (Total), crosses and seals in instantaneous flow, that is, unit interval
The flow in stopped pipe road or open channel, integrated flow be in institute's having time liquid flow through the total of closed conduct or open channel effective cross-section
Cumulative amount.
Specifically, the circuit function realizes that process is as follows：
First, when using flowmeter metering work, first by metering display zero；Secondly, tongue tube S3 external pulses letter
Number input is shown on liquid crystal display；Finally, after counting, added oil volume can be seen directly that by liquid crystal LCD1 display screens
(L)。
Measurement unit is arranged
Under standby mode or current adding amount dispaly state, while pressing first button S1+ the second button S2 keys 5 seconds.
It is arranged into Conversion of measurement unit, presses the first button S1, shows LTR → GAL → PT → QT → LTR selection measurement units successively, simultaneously
Accumulative adding amount is shown after converting according to current measurement unit.The second button S2 clocks for 3 seconds are pressed again, are exited Conversion of measurement unit and are set
It sets.
Flow is resetted to reset
Long-press the first button S1, LCD1 display all over the screen, after waiting for display all over the screen, the first button S1 is pressed in release, all
Display zero.
Dispaly state switches
Under standby mode or current adding amount dispaly state, short-press the second button S2 can be in flow velocity and accumulative filling
Switch display between amount.
Error coefficient and total accumulative inquiry
In the standby state, while number of rows word display error system on the first the second buttons of button S1+ S2, liquid crystal LCD1 is pressed
Number, lower row show always tired flow.
The effect of the present embodiment is：By installing flowmeter on refueling nozzle；Data processing in metering gun and aobvious
Show that module is acquired in data to input, improves data-handling efficiency, improve the accuracy of data acquisition；The device can pass through element
Between mutual cooperation, calculate the quality of fluid, keep volume read-out more accurate, and on certain depth, reduce data
Processing, improves the service life of refueling nozzle power supply.
It should be noted that the relational terms of such as " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include but also include not having so that article or equipment including a series of elements include not only those elements
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited by sentence "including a ..." in the case of more limiting, it is not excluded that in the mistake for including the element
There is also other identical elements in journey, method, article or equipment.
The above is only the specific implementation mode of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (5)
1. a kind of intelligent digital fluid flowmeter circuit for refueling nozzle, it is characterised in that：The circuit includes display module
LCD1, micro-control unit MCU, battery socket J1, program download mouth J2, first resistor R1, second resistance R2,3rd resistor R3,
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the first capacitance C1,
Second capacitance C2, it third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, power down storage chip IC1, general-purpose diode VD1, does
Reed pipe, the first button, the second button；
The display module LCD1 is electrically connected with the micro-control unit MCU；
The micro-control unit MCU downloads mouth J2, power down storage chip IC1, the 4th electricity with the battery socket J1, program respectively
Hold C4, general-purpose diode VD1, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the
Five capacitance C5, the first button S1 and the second button S2 electrical connections；
The both ends of the battery socket J1, the 4th resistance R4 and the second capacitance C2 are connected with input power VDD and ground GND respectively
It connects；
The first resistor R1, second resistance R2 and the one end 3rd resistor R3 are electrically connected with power vd D；
The first resistor R1, second resistance R2 and the 3rd resistor R3 other ends are connected with the power down storage chip IC1；
The general-purpose diode VD1 other ends are electrically connected with the 5th resistance R5 and the 4th capacitance C4 respectively；
The 5th resistance R5 other ends connect with power vd D；
The 4th capacitance C4 other ends connect with ground GND；
The both ends of the third capacitance C3 are connected with power vd D and ground GND respectively；
The 6th resistance R6 other ends are connected with power vd D；
The 9th resistance R9 other ends are connected with tongue tube S3；
The tongue tube S3 other ends are grounded GND；
The 7th resistance R7 and the 8th resistance R8 other ends are connected with power vd D；
The first button S1 and the second button S2 other ends are connected with ground GND.
2. a kind of intelligent digital fluid flowmeter circuit for refueling nozzle according to claim 1, it is characterised in that：Institute
State power down storage chip IC1 models 24C02.
3. a kind of intelligent digital fluid flowmeter circuit for refueling nozzle according to claim 1, it is characterised in that：Institute
It is reset key to state the first button S1.
4. a kind of intelligent digital fluid flowmeter circuit for refueling nozzle according to claim 1, it is characterised in that：Institute
It is that total integrated flow and flow velocity switch select button to state the second button S2.
5. a kind of intelligent digital fluid flowmeter circuit for refueling nozzle according to claim 1, it is characterised in that：Institute
Tongue tube S3 is stated to be shown for acquiring external signal and counting to be sent in the display module LCD1 later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721679027.3U CN207937011U (en) | 2017-12-06 | 2017-12-06 | A kind of intelligent digital fluid flowmeter circuit for refueling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721679027.3U CN207937011U (en) | 2017-12-06 | 2017-12-06 | A kind of intelligent digital fluid flowmeter circuit for refueling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937011U true CN207937011U (en) | 2018-10-02 |
Family
ID=63644778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721679027.3U Active CN207937011U (en) | 2017-12-06 | 2017-12-06 | A kind of intelligent digital fluid flowmeter circuit for refueling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207937011U (en) |
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2017
- 2017-12-06 CN CN201721679027.3U patent/CN207937011U/en active Active
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