CN207472393U - For the calibrating installation of ultrasonic flow sensor - Google Patents
For the calibrating installation of ultrasonic flow sensor Download PDFInfo
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- CN207472393U CN207472393U CN201721625641.1U CN201721625641U CN207472393U CN 207472393 U CN207472393 U CN 207472393U CN 201721625641 U CN201721625641 U CN 201721625641U CN 207472393 U CN207472393 U CN 207472393U
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- calibration
- flow sensor
- ultrasonic flow
- calibrating installation
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Abstract
The utility model is related to a kind of calibrating installation for ultrasonic flow sensor, including cistern assembly；Drive component；Flow control assembly, flow control assembly are set in three branches；Standard component, calibration assemblies include normal stream scale and temperature sensor；And calibration assemblies, calibration assemblies include calibration platform, several fixed seats being connect with calibration platform, several ultrasonic flow sensors being arranged in each fixed seat and several flow indication plates being connect with each ultrasonic flow sensor.The above-mentioned calibrating installation for ultrasonic flow sensor, by the way that different solenoid valves is controlled to achieve that the multiple calibration to each ultrasonic flow sensor, calibration accuracy can be improved and manipulation is simple, different circuit is divided to be connect with water tank element with D5 ends by D3 ends reduces influence of the reflux road to calibration loop and then raising calibration accuracy, and set by temperature sensor and heating tube, it can also be achieved and the temperature of each ultrasonic flow sensor is calibrated.
Description
Technical field
The utility model is related to product testings to calibrate field, more particularly to a kind of school for ultrasonic flow sensor
Standard apparatus.
Background technology
As people's demands for quality of life are getting higher and higher, intelligentized Furniture starts to come into our life, wherein just wrapping
Intelligent closestool is included, intelligent closestool has the function of intelligent cleaning, heating etc., to realize that these functions are required for using flow sensor
Flow is detected, and then controls the power of water pump and heater to adjust the size of flow and temperature, therefore flow sensing
The precision of device just seems particularly main.
The existing flowrate calibrating device for intelligent closestool is primarily directed to rotator type flow sensor or photo-electric stream
Quantity sensor is limited by product itself technology, and the calibration accuracy of flow sensor of the special caliber less than or equal to DN08 is low
Problem.
Utility model content
Based on this, it is necessary to it is low for prior art calibration accuracy and the problem of can not be calibrated to temperature, provide one
Kind can effectively improve calibration accuracy and the calibrating installation for ultrasonic flow sensor that can be calibrated to temperature.
In order to realize the purpose of this utility model, the utility model uses following technical scheme：
A kind of calibrating installation for ultrasonic flow sensor includes：
Cistern assembly, the cistern assembly include water tank element and the heating tube mounted on the water tank element；
Drive component, the driving component are connect with the cistern assembly；
Flow control assembly, the flow control assembly are set in three branches；The flow control assembly includes first point
The first solenoid valve for being set on the L3 of road and the second solenoid valve that is set on first manual valve, the second branch L4 and the second hand-operated valve,
And the third solenoid valve set on third branch L5 and third hand-operated valve；
Standard component, the standard component are connect with the flow control assembly；The calibration assemblies include normal flow
Table and temperature sensor；And
Calibration assemblies, the calibration assemblies include calibration platform, mounted on it is described calibration platform several fixed seats and
For several flow indication plates being connect with ultrasonic flow sensor；Calibration loop L6 passes through the calibration platform interior.
The above-mentioned calibrating installation for ultrasonic flow sensor, by the way that different solenoid valves is controlled to achieve that each ultrasound
The multiple calibration of wave flow sensor, can improve calibration accuracy and manipulation is simple, divide different circuit by D3 ends and D5 ends
The influence and then raising calibration accuracy for reducing reflux road to calibration loop are connect with water tank element, and by temperature sensor with adding
Heat pipe is set, and can also be achieved and the temperature of each ultrasonic flow sensor is calibrated.
The first branch L3, the second branch L4, third branch L5 are in be set up in parallel in one of the embodiments, and one
End is connected to D2 ends with drive component, and the other end is connected to D4 ends with standard component.It is logical in guarantee is set up in parallel by each branch
Crossing three solenoid valves of control can be such that three branches are connected respectively with calibration loop L6, and can be with by adjusting three hand-operated valves
The uninterrupted for adjusting each branch is different.
The driving component setting is for flow path L1 and reflux road respectively there are two branch in one of the embodiments,
L2。
It is described for being provided with main valve and driving element on flow path L1 in one of the embodiments, it is described to flow back on the L2 of road
Return valve is provided with, it is described to be engaged in the D2 ends for the flow path L1 and reflux road L2.By controlling main valve and return valve can
Lead to so as to be terminated for flow path L1 with reflux road L2 in D2, ensure that the flow of each corresponding branch can be controlled by adjusting each hand-operated valve.
The reflux road L2 is connected to D3 ends, the calibration loop with the water tank element in one of the embodiments,
L6 is connected to D5 ends with the water tank element.It is connect, dropped with water tank element respectively with calibration loop L6 by setting reflux road L2
Influence of the flow to calibration loop L6 in low reflux road L2.
The setting quantity of each fixed seat and the setting quantity phase of the flow indication plate in one of the embodiments,
Together.
The fixed seat and the quantity of the flow indication plate are one kind in 6-15 in one of the embodiments,.
The normal stream scale and the temperature sensor connect respectively with calibration loop L6 in one of the embodiments,
It connects, to ensure that device works normally.Ensure that standard component is detected flow in calibration loop L6 with temperature.
The fixed seat is set along the direction of calibration loop L6 in one of the embodiments,.
In one of the embodiments, card hole is provided in the fixed seat.For being clamped the ultrasonic flow sensing
Device makes simple, convenient installation.
Description of the drawings
Fig. 1 is that the structure of the calibrating installation for ultrasonic flow sensor of one better embodiment of the utility model is shown
It is intended to.
The meaning of each label is in attached drawing：
100- is used for the calibrating installation of ultrasonic flow sensor；
10- cistern assemblies, 11- water tank elements, 15- heating tubes；
20- drive components, 21- main valves, 22- return valves, 25- driving elements；
30- flow control assemblies, the first solenoid valves of 31-, 32- second solenoid valves, 33- third solenoid valves, 35- first manuals
Valve, the second hand-operated valves of 36-, 37- third hand-operated valves；
40- standard components, 41- normal stream scales, 45- temperature sensors；
50- calibration assemblies, 51- calibration platforms, 52- fixed seats, 53- flow indication plates；
60- fluid circulation components；
90- ultrasonic flow sensors.
Specific embodiment
For the ease of understanding the utility model, the utility model will be described more fully below.But this practicality
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, provide these implementations
The purpose of example is to make the more thorough and comprehensive of the understanding to the disclosure of the utility model.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Referring to Fig. 1, the calibrating installation for ultrasonic flow sensor for one better embodiment of the utility model
100, the drive component 20 being connect including cistern assembly 10, with cistern assembly 10, the flow control group being connect with drive component 20
Part 30, the standard component 40 being connect with flow control assembly 30, calibration assemblies 50 being connect with standard component 40 and by each group
The fluid circulation component 60 of part connection.Wherein, " connection " in this case represents " connection " that can be operated for fluid.
The cistern assembly 10 includes water tank element 11 and heating tube 15；Water tank element 11 is set in hollow structure, interior
Portion is provided with the fluid for calibration, and heating tube 15 is set in structure setting annular in shape on water tank element 11, in water tank element 11
There are three connecting pin D1, D2, D3 for upper setting, and three connecting pins are connect respectively with fluid circulation component 60, and then make water tank element
11 internal flows enter each section component.In the present embodiment, the fluid is water.
The setting of the driving component 20 is connect there are two branch with D1, D3 end respectively；One of branch is to connect with D1 ends
The main valve 21 connect, the driving element 25 being connect with main valve 21；Another branch is the return valve 22 being connect with D3 ends；D1 ends with
Main valve 21, which is connected, to be connected and composed through driving element 25 and D2 ends for flow path L1, and D3 sections connect and compose reflux through return valve 22 and D2 ends
Road L2, the D1 ends in the case where main valve 21 is all opened with return valve 22 are connected with D3 sections.In the present embodiment, the driving
Element 25 is water pump.
The flow control assembly 30 is set in three branches, which includes the first solenoid valve 31, the
It two solenoid valves 32, third solenoid valve 33 and is respectively connect with 31 second solenoid valve of the first solenoid valve, 32 third solenoid valve 33
First manual valve 35, the second hand-operated valve 36, third hand-operated valve 37；First solenoid valve 31 is connected and composed with first manual valve 35
First branch L3,32 and second hand-operated valve 36 of second solenoid valve connect and compose the second branch L4, third solenoid valve 33 and third hand
Dynamic valve 37 connects and composes third branch L5；One end of each branch L3, L4, L5 are connect with D2 ends, by D2 ends respectively with for flow path
L1 is connect with reflux road L2, and each branch of the other end is in the tandem of D4 ends；Each branch L3, L4, L5 of the flow control assembly 30 are in simultaneously
Array structure is set, the connection of the first solenoid valve 31 of control, second solenoid valve 32, third solenoid valve 33 correspond to control each branch L3,
L4, L5 and the connection for flow path L1, are adjusted by the way that first manual valve 35, the second hand-operated valve 36, third hand-operated valve 37 is controlled to correspond to
Uninterrupted in each branch L3, L4, L5.
The standard component 40 is connect with D4 ends, which includes normal stream scale 41 and temperature sensor 45；
Normal stream scale 41 is connect with temperature sensor 45 by fluid circulation component 60 with flow control assembly 30, normal stream scale
41 are set with temperature sensor 45 in cascaded structure, and normal stream scale 41 corresponds to the flow of testing calibration circuit L6, temperature sensing
Device 45 corresponds to fluid temperature (F.T.) in testing calibration circuit L6, and then adjusts the power of heating tube 15.
The calibration assemblies 50 include calibration platform 51, mounted on calibration platform 51 several fixed seats 52 and be used for
Connect several flow indication plates 53 of ultrasonic flow sensor 90；The calibration platform 51 is in straight panel shape structure setting, calibration
Circuit L6 is passed through and setting is connect with water tank element 11 through D5 ends inside calibration platform 51, and one end of several fixed seats 52 and calibration are flat
Platform 51 connects, and the other end is provided with ultrasonic flow sensor 90, and card hole, ultrasonic flow sensing are provided in each fixed seat 52
Device 90 is clamped by card hole and the fixed seat 52, the handling of convenience for ultrasonic wave flow sensor 90, and each fixed seat 52 is along calibration
Circuit L6 directions are set in uniform intervals mode, and each fixed seat 52 is correspondingly arranged at the top of calibration loop L6；Each flow indication
The setting quantity of plate 53 is identical with the setting quantity of each fixed seat 52, and each flow indication plate 53 is by each ultrasonic flow sensor 90
Monitoring data show and facilitate adjusting.It is to be appreciated that the setting quantity of the fixed seat is one kind in 6-15,
In the present embodiment, it is provided with 9 fixed seats.
The operation principle of the calibrating installation 100 for ultrasonic flow sensor of the utility model：In water tank element 11
Outside is arranged heating tube 15, can be by the way that heating tube 15 is controlled to heat 11 internal flow of water tank element, driving element 25
Liquid in water tank element 11 can be pulled out and, the normal work for whole device provides power.
Preparation stage, successively open L1 on main valve 21, the return valve 22 on L2, driving element 25, first manual valve 35,
Second hand-operated valve 36 and third hand-operated valve 37；Fluid is flowed into through D1 ends at this time enters reflux road L2 through D2 ends, finally by D3
End is formed into a loop into water tank element 11, since the first solenoid valve 31, second solenoid valve 32, third solenoid valve 33 are not beaten at this time
Opening does not have flow in the D4 ends, calibration loop L6, calibration assemblies 50 are shown without numerical value；Then the first solenoid valve 31 is opened,
Fluid flows into D2 ends through D1 ends at this time, is shunted at D2 ends, and one flows into reflux road L2 and flows into water tank element 11 through D3 ends；Another
Into the first branch L3, enter calibration loop L6 by D4 ends, most flowing into water tank element 11 through D5 afterwards completes circuit, opens first
There is flow in D4 ends, calibration loop L6 after solenoid valve 31, there is numerical value to show in standard component 40；Then first manual valve is adjusted
Uninterrupted in 35, adjustment calibration loop L6, the first solenoid valve 31 is closed after being transferred to a relatively low numerical value；Open the second electromagnetism
Valve 32, the circuit of the second branch L4 accesses at this time, repeats the above steps, and adjusting the second hand-operated valve 36 arrives flow in calibration loop L6
Second solenoid valve 32 is closed after up to another numerical value placed in the middle；Third solenoid valve 33 is opened, tertiary circuit L5 accesses circuit at this time, repeats
Above-mentioned steps, adjusting third hand-operated valve 37 makes the flow in calibration loop L6 be closed after reaching a high value.It then will be each super
The correspondence of acoustic wave flow sensor 90, which is caught in each fixed seat 52, to be fixed, and each flow indication plate 53 and each ultrasonic flow are passed
Sensor 90 connects, it is ensured that the number of degrees are shown normally.
Calibration phase first opens the first solenoid valve 31, passes through contrast standard flowmeter 41 and each flow indication plate 53, difference
Each ultrasonic flow sensor 90 is calibrated, the first solenoid valve 31 of the consistent rear closing of calibration；Second solenoid valve 32 is opened,
Again by contrast standard flowmeter 41 and each flow indication plate 53, each ultrasonic flow sensor 90 is calibrated respectively, school
Accurate consistent rear closing second solenoid valve 32；Third solenoid valve 33 is opened, repeats the above steps and is calibrated.Temperature is calibrated
When, there are one guarantees, and solenoid valve opening is constant, and by temperature sensor 45 and the number of degrees of standard scale, each ultrasonic flow is sensed
Device 90 is calibrated, and fluid is heated by heating tube 15 after the completion, is passing through temperature sensor 45 and standard flow-meter
Table 41 calibrates each ultrasonic flow sensor 90, due to spread speed of the ultrasonic wave under same fluid different temperatures not
Together, it can repeat the above steps repeatedly, to reduce alignment error.
Final stage removes the ultrasonic flow sensor 90 that each calibration is completed, then loads onto supersonic flow to be calibrated
Quantity sensor 90 repeats calibration phase step.
The above-mentioned calibrating installation for ultrasonic flow sensor, by the way that different solenoid valves is controlled to achieve that each ultrasound
The multiple calibration of wave flow sensor, can improve calibration accuracy and manipulation is simple, divide different circuit by D3 ends and D5 ends
The influence and then raising calibration accuracy for reducing reflux road to calibration loop are connect with water tank element, and by temperature sensor with adding
Heat pipe is set, and can also be achieved and the temperature of each ultrasonic flow sensor is calibrated.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of calibrating installation for ultrasonic flow sensor, for calibrating ultrasonic flow sensor, which is characterized in that
The calibrating installation for ultrasonic flow sensor includes：
Cistern assembly, the cistern assembly include water tank element and the heating tube mounted on the water tank element；
Drive component, the driving component are connect with the cistern assembly；
Flow control assembly, the flow control assembly are set in three branches；The flow control assembly includes the first branch L3
First solenoid valve of upper setting and the second solenoid valve that is set on first manual valve, the second branch L4 and the second hand-operated valve and the
The third solenoid valve set on three branch L5 and third hand-operated valve；
Standard component, the standard component are connect with the flow control assembly；The calibration assemblies include normal stream scale and
Temperature sensor；And
Calibration assemblies, the calibration assemblies include calibration platform, mounted on it is described calibration platform several fixed seats and be used for
Several flow indication plates being connect with ultrasonic flow sensor；Calibration loop L6 passes through the calibration platform interior.
2. the calibrating installation according to claim 1 for ultrasonic flow sensor, which is characterized in that described first point
In being set up in parallel, one end is connected to D2 ends, the other end and standard group with drive component by road L3, the second branch L4, third branch L5
Part is connected to D4 ends.
3. the calibrating installation according to claim 2 for ultrasonic flow sensor, which is characterized in that the driving group
Part setting is for flow path L1 and reflux road L2 respectively there are two branch.
4. the calibrating installation according to claim 3 for ultrasonic flow sensor, which is characterized in that described to supply flow path
Main valve and driving element are provided on L1, return valve is provided on the reflux road L2, it is described to supply flow path L1 and the reflux road
L2 is engaged in the D2 ends.
5. the calibrating installation according to claim 4 for ultrasonic flow sensor, which is characterized in that the reflux road
L2 is connected to D3 ends with the water tank element, and the calibration loop L6 is connected to D5 ends with the water tank element.
6. the calibrating installation according to claim 1 for ultrasonic flow sensor, which is characterized in that each fixation
The setting quantity of seat is identical with the setting quantity of the flow indication plate.
7. the calibrating installation according to claim 6 for ultrasonic flow sensor, which is characterized in that the fixation
The quantity of seat and the flow indication plate is 6~15.
8. the calibrating installation according to claim 6 for ultrasonic flow sensor, which is characterized in that the normal stream
Scale and the temperature sensor are connect respectively with calibration loop L6, to ensure that device works normally.
9. the calibrating installation according to claim 1 for ultrasonic flow sensor, which is characterized in that the fixed seat
It is set along the direction of calibration loop L6.
10. the calibrating installation according to claim 9 for ultrasonic flow sensor, which is characterized in that the fixation
Card hole is provided on seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625641.1U CN207472393U (en) | 2017-11-28 | 2017-11-28 | For the calibrating installation of ultrasonic flow sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625641.1U CN207472393U (en) | 2017-11-28 | 2017-11-28 | For the calibrating installation of ultrasonic flow sensor |
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| Publication Number | Publication Date |
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| CN207472393U true CN207472393U (en) | 2018-06-08 |
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| CN201721625641.1U Expired - Fee Related CN207472393U (en) | 2017-11-28 | 2017-11-28 | For the calibrating installation of ultrasonic flow sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763311A (en) * | 2019-12-03 | 2020-02-07 | 中环天仪（天津）气象仪器有限公司 | Automatic detection equipment and detection method for ultrasonic evaporation sensor |
| CN112577571A (en) * | 2020-12-11 | 2021-03-30 | 浙江启尔机电技术有限公司 | Liquid supply system with sensor calibration flow path and calibration method thereof |
| CN112595373A (en) * | 2020-11-24 | 2021-04-02 | 宁波水表(集团)股份有限公司 | Ultrasonic water meter design method and system |
| CN114422927A (en) * | 2021-12-13 | 2022-04-29 | 中国航空工业集团公司北京长城计量测试技术研究所 | Microphone calibrating device with variable temperature |
-
2017
- 2017-11-28 CN CN201721625641.1U patent/CN207472393U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763311A (en) * | 2019-12-03 | 2020-02-07 | 中环天仪（天津）气象仪器有限公司 | Automatic detection equipment and detection method for ultrasonic evaporation sensor |
| CN112595373A (en) * | 2020-11-24 | 2021-04-02 | 宁波水表(集团)股份有限公司 | Ultrasonic water meter design method and system |
| CN112595373B (en) * | 2020-11-24 | 2022-12-06 | 宁波水表(集团)股份有限公司 | Ultrasonic water meter design method and system |
| CN112577571A (en) * | 2020-12-11 | 2021-03-30 | 浙江启尔机电技术有限公司 | Liquid supply system with sensor calibration flow path and calibration method thereof |
| CN112577571B (en) * | 2020-12-11 | 2024-04-16 | 浙江启尔机电技术有限公司 | Liquid supply system with sensor calibration flow path and calibration method thereof |
| CN114422927A (en) * | 2021-12-13 | 2022-04-29 | 中国航空工业集团公司北京长城计量测试技术研究所 | Microphone calibrating device with variable temperature |
| CN114422927B (en) * | 2021-12-13 | 2024-05-24 | 中国航空工业集团公司北京长城计量测试技术研究所 | Microphone calibrating device of variable temperature |
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Granted publication date: 20180608 Termination date: 20211128 |