CN113588025A - Ultrasonic flow measuring device and method for measuring liquid or gas flow - Google Patents
Ultrasonic flow measuring device and method for measuring liquid or gas flow Download PDFInfo
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- CN113588025A CN113588025A CN202111075855.7A CN202111075855A CN113588025A CN 113588025 A CN113588025 A CN 113588025A CN 202111075855 A CN202111075855 A CN 202111075855A CN 113588025 A CN113588025 A CN 113588025A
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- ultrasonic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an ultrasonic flow measuring device and method for measuring liquid or gas flow, comprising an upper shell and a lower shell, wherein the upper shell is internally provided with a circuit control unit, the bottom end of the lower shell is provided with a measuring channel, and the inside of the lower shell is provided with an ultrasonic sensor receiving component and an ultrasonic sensor sending component which are connected with the circuit control unit through wireless data transmission by adopting an ultrasonic measurement V method; the ultrasonic sensor receiving assembly comprises an ultrasonic receiving sensor and a first sensor support, the ultrasonic sensor sending assembly comprises an ultrasonic sending sensor and a second sensor support, and the bottom ends of the first sensor support and the second sensor support are vertically opposite to the measuring channel and are parallelly abutted to the top end of the pipeline to be measured; both sides bottom all is provided with the chimb around the first sensor support, and the sliding tray has been seted up along controlling the horizontal direction to lower casing below two chimbs, and first sensor support top is provided with the locating part that restricts its removal.
Description
Technical Field
The invention relates to the technical field of measurement and flow measurement, in particular to an ultrasonic flow measurement device and method for measuring liquid or gas flow.
Background
With the progress of society and the development of science and technology, the progress in the field of ultrasonic velocity measurement is particularly obvious. In the current family life, the flow test of water and gas still uses the measuring device of access formula, and the measuring device of different flow scope, different pipe diameters is also different moreover. However, such a measuring device is inconvenient to assemble and replace, and is not universal, so that a strong universal device for measuring the flow of liquid or gas, which is convenient to assemble and disassemble and accurate in measurement, is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an ultrasonic flow measuring device and method for measuring the flow of liquid or gas.
The technical purpose of the invention is realized by the following technical scheme:
an ultrasonic flow measuring device for measuring liquid or gas flow comprises an upper shell and a lower shell, wherein a circuit control unit is arranged in the upper shell, clamps are arranged at the left end and the right end of the lower shell and are connected with a pipeline to be measured, a measuring channel communicated with the inside of the lower shell is arranged at the bottom end of the lower shell, the measuring channel is positioned between the two clamps, an ultrasonic sensor receiving assembly and an ultrasonic sensor sending assembly are sequentially arranged in the lower shell along the left horizontal direction and the right horizontal direction by adopting an ultrasonic measuring V method, and the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly are connected with the circuit control unit through wireless data transmission;
the ultrasonic sensor receiving assembly comprises an ultrasonic receiving sensor and a first sensor support, the ultrasonic sensor sending assembly comprises an ultrasonic sending sensor and a second sensor support, and the bottom ends of the first sensor support and the second sensor support are vertically opposite to the measuring channel and are parallelly abutted to the top end of the pipeline to be measured; the second sensor support passes through the bolt fastening and in the inferior valve body, and the clamp is changed according to the diameter size of the pipeline that awaits measuring, and both sides bottom all is provided with the chimb around the first sensor support, and the sliding tray has been seted up along controlling the horizontal direction to lower casing below two chimbs, and first sensor support top is provided with the locating part of restriction its removal.
Further preferably, the circuit control unit comprises a control electric plate and a connection socket, the control electric plate is wirelessly transmitted with the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly, the connection socket is welded at the bottom end of the right side of the control electric plate, a waterproof connector for an external wiring harness is installed on the right side of the upper shell, and the external wiring harness enters the upper shell through the waterproof connector and is connected with the connection socket.
Preferably, the upper shell is internally provided with a middle partition plate, the top end of the middle partition plate and the bottom end of the upper shell are provided with edge grooves in staggered edges for mutual buckling, the right side of the middle partition plate is provided with a lower partition plate which is in parallel butt joint with the left side of the wiring socket, the upper shell is internally provided with an upper partition plate which is opposite to the lower partition plate, and the control electric plate is clamped between the upper partition plate and the lower partition plate.
Further preferably, the right side of the control electric plate is sleeved with a sealing ring, and the upper end and the lower end of the sealing ring are respectively abutted against the upper partition plate and the lower partition plate.
Further preferably, the limiting part comprises two pressing plates and a fastening base, the pressing plates and the fastening base are located above the two sliding grooves, the fastening base is arranged in the lower shell in a left-right horizontal direction in a plurality of modes and is fixedly installed in the lower shell, a threaded hole is formed in the top end of the fastening base and is used for being matched with a bolt to fix, and a through hole is formed in the position, opposite to the threaded hole, of each pressing plate and is used for the bolt to penetrate through.
Further preferably, control electroplax top is provided with and is used for reminding ultrasonic sensor receiving component to remove a plurality of pilot lamps to the assigned position, goes up the casing top and corresponds with the relative position of a plurality of pilot lamps and has seted up a plurality of logical grooves, and a plurality of logical inslots set up the display lens of different colours.
Further preferably, the bottom of the lower shell is provided with a mounting bracket, the bottom of the left side and the bottom of the right side of the mounting bracket are provided with arc surfaces matched with the pipeline to be tested, and the mounting bracket is replaced according to the diameter of the pipeline to be tested.
Another object of the present disclosure is to provide an ultrasonic flow rate measuring method for measuring a flow rate of a liquid or gas, in which the ultrasonic flow rate measuring apparatus includes a circuit control unit, an ultrasonic sensor receiving module and an ultrasonic sensor transmitting module, which are sequentially disposed along a left-right horizontal direction by using an ultrasonic measurement V method; the measurement is completed through the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly according to an ultrasonic measurement V method, and the calculation and the output of measurement data are completed through the circuit control unit.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
by arranging the ultrasonic receiving sensor and the ultrasonic transmitting sensor and adopting the existing ultrasonic measurement V method for installation, the existing access type measurement mode is avoided, and the measurement is more convenient and accurate; the utility model discloses a pipeline installation that awaits measuring, including ultrasonic sensor receiving assembly, ultrasonic sensor sending assembly, installation support and clamp, the diameter size of still installing support and clamp according to the pipeline that awaits measuring changes, and the change is controlled in the aspect of the ultrasonic sensor receiving assembly moreover and the interval that ultrasonic sensor sent the subassembly is in order to accord with ultrasonic measurement V method installation requirement, and the range of application is wider, and the fixed mode of clamp is to the pipeline installation that awaits measuring simple and convenient, compares in the measuring device of current access formula wholly and changes in the popularization.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an expanded view of an ultrasonic flow rate measuring device in example 1;
FIG. 3 is an expanded view of the upper casing in embodiment 1;
FIG. 4 is a plan view of the lower casing in embodiment 1;
FIG. 5 is a top view of example 1 FIG. 4 with the platen removed;
fig. 6 is a schematic diagram of embodiment 2.
Reference numerals: 1. an upper housing; 2. a lower housing; 3. a fixed base; 4. buckling the plate; 5. a circuit control unit; 51. a control panel; 52. a connection socket; 53. welding a head; 6. connecting the ear edges; 7. clamping a hoop; 8. a pipeline to be tested; 9. a waterproof joint; 10. a middle partition plate; 11. grooving along the edges; 12. a lower partition plate; 13. a seal ring; 14. a measurement channel; 15. an ultrasonic receiving sensor; 16. a first sensor mount; 17. an ultrasonic transmission sensor; 18. a second sensor support; 19. a bolt; 20. a sliding groove; 21. pressing a plate; 22. fastening a base; 23. an indicator light; 24. displaying the lens; 25. mounting a bracket; 26. an arc-shaped surface.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Reference in the specification to "an embodiment" or "an implementation" may mean either one embodiment or one implementation or some instances of embodiments or implementations.
As will be appreciated by one skilled in the art, embodiments of the present invention may be embodied as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of: entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
According to the embodiment of the invention, an ultrasonic flow measuring device and method for measuring the flow of liquid or gas are provided.
It is to be noted that any number of elements in the figures are provided by way of example and not limitation, and any nomenclature is used for distinction only and not in any limiting sense.
Example 1:
the utility model provides a measure liquid or gas flow's ultrasonic wave flow measuring device, refer to fig. 1 and show, including last casing 1 and lower casing 2, go up and realize connecting through unable adjustment base 3 and the buckle 4 on outer edge between casing 1 and the lower casing 2, upward be provided with circuit control unit 5 in the casing 1, be provided with ultrasonic sensor receiving component and ultrasonic sensor sending module in the casing 2 down, it links to each other with 2 border locks of casing down to go up casing 1, it is shown specifically to refer to fig. 1, the left and right sides of casing 2 is provided with connection ear limit 6 down, two connection ear limits 6 all form a complete set are equipped with clamp 7 and are connected with the pipeline 8 that awaits measuring, clamp 7 is the standard component, and clamp 7 can be changed according to the diameter size of the pipeline 8 that awaits measuring.
Referring to fig. 2 and 3, the circuit control unit 5 includes a control circuit board 51 and a connection socket 52, the control circuit board 51 wirelessly transmits data with the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly, that is, data detected in real time by wireless data of the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly is sent to the control circuit board 51 by a wireless data transmission method, the connection socket 52 is welded at the bottom end of the right side of the control circuit board 51, specifically, two rows of welding heads 53 are arranged at the top end of the connection socket 52, the control circuit board 51 is correspondingly provided with small holes for the welding heads 53 to pass through, and the top end of the welding head 53 penetrates out of the top end of the control circuit board 51, then the connection socket 52 is fixedly connected with the control circuit board 51 by welding, a waterproof connector 9 for externally connecting a wire harness is further installed at the right side of the upper housing 1, the waterproof connector 9 is detachably connected with the upper housing 1, the external wiring harness enters the upper housing 1 through the waterproof connector 9 and is connected with the wiring socket 52.
In order to realize waterproof effect, the correspondence has set up waterproof construction, be provided with intermediate bottom plate 10 in the upper casing 1, intermediate bottom plate 10 top and 1 bottom of upper casing are seted up the border fluting 11 at the border dislocation and are used for mutual lock, concrete structure can refer to as shown in fig. 3, intermediate bottom plate 10's right side is provided with the lower baffle 12 with the parallel butt in wiring socket 52 left side plane, the inside top of upper casing 1 is provided with the last baffle relative with baffle 12 down, go up baffle and the inside top fixed connection of upper casing 1, control electroplax 51 centre gripping is in the middle of last baffle and lower baffle 12, for better waterproof sealing effect, control electroplax 51 right side cover is equipped with sealing washer 13, both ends respectively with last baffle about sealing washer 13, baffle 12 offsets tightly down.
Referring to fig. 4 and 5, a measurement channel 14 communicated with the inside of the shell is formed in the bottom end of the shell, the measurement channel 14 is located between the two hoops 7, the measurement channel 14 is formed in the left horizontal direction and the right horizontal direction, the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly are sequentially arranged inside the lower shell 2 in the left horizontal direction and the right horizontal direction, and the bottom ends of the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly are opposite to the measurement channel 14 up and down and are required to be in parallel butt joint with the top end of the pipeline 8 to be measured.
The ultrasonic sensor receiving assembly comprises an ultrasonic receiving sensor 15 and a first sensor support 16, the ultrasonic sensor sending assembly comprises an ultrasonic sending sensor 17 and a second sensor support 18, the parallel distance between the ultrasonic receiving sensor 15 and the ultrasonic sending sensor 17 is determined according to the diameter of the pipeline 8 to be measured, the pipeline material and the substances in the pipeline, the clamp 7 can be replaced according to the diameter of the pipeline 8 to be measured, and the parallel distance between the ultrasonic receiving sensor 15 and the ultrasonic sending sensor 17 needs to be adjustable according to the installation requirement of an ultrasonic measurement V method.
In this embodiment, the second sensor support 18 is fixed, i.e. immovable, within the lower housing 2 by means of bolts 19, while the first sensor support 16 is movable; specifically, both sides bottom all is provided with the chimb around first sensor support 16, and sliding tray 20 has been seted up along controlling the horizontal direction to casing 2 below two chimbs down, and first sensor support 16 top is provided with the locating part that limits its removal.
The limiting members include two pressing plates 21 and two fastening bases 22 located above the two sliding grooves 20, the fastening bases 22 are provided in plurality in the left-right horizontal direction and are fixedly installed in the lower casing 2, in this embodiment, there are 3 fastening bases 22, and the top end of the fastening base 22 is provided with a threaded hole for fixing with the bolt 19.
The top end of the control electric board 51 is provided with a plurality of indicator lamps 23 for reminding the ultrasonic sensor receiving assembly to move to a designated position, in this embodiment, the number of the indicator lamps 23 is two, two through grooves are correspondingly formed in the top end of the upper shell 1 and opposite to the two indicator lamps 23, display lenses 24 with different colors are respectively arranged in the two through grooves, and in this embodiment, the display lenses are set to be red and green.
Referring to fig. 2, in order to better fix the pipeline 8 to be measured, the bottom end of the lower casing 2 is provided with a mounting bracket 25, the bottom ends of the left and right sides of the mounting bracket 25 are provided with arc-shaped surfaces 26 matched with the pipeline 8 to be measured, the middle part of the mounting bracket 25 is arranged in a hollow manner at a position opposite to the measuring channel 14, and the mounting bracket 25 and the clamp 7 are replaced according to the diameter of the pipeline 8 to be measured.
Example 2:
an ultrasonic flow measuring method for measuring liquid or gas flow applies the ultrasonic flow measuring device, which comprises a circuit control unit 5, an ultrasonic sensor receiving component and an ultrasonic sensor sending component which are sequentially arranged along the left and right horizontal directions by adopting an ultrasonic measurement V method; the measurement is completed by the ultrasonic sensor receiving component and the ultrasonic sensor sending component according to the ultrasonic measurement V method, and the calculation and the output of the measurement data are completed by the circuit control unit 5.
The specific principle content is as follows:
referring to fig. 6, a pair of transducers are mounted on the pipe 8 to be measured: the downstream transducer and the upstream transducer respectively correspond to the ultrasonic transmitting sensor 17 and the ultrasonic receiving sensor 15, the diameter of the pipeline 8 to be measured is D, the ultrasonic sound path is L (L1+ L2), the downstream propagation time is tu, the upstream propagation time is td, the included angle between the ultrasonic propagation defense line and the fluid direction is theta (theta 1 is ≈ theta 2), according to the superposition principle of speed, under the action of the water flow speed v, the ultrasonic downstream propagation time is shorter than the upstream propagation time, and the time difference can be calculated.
The velocity v obtained by the formula 4 is a linear average velocity along the sound channel direction, and because the flow velocity of the fluid is unevenly distributed along the diameter of the pipeline, the linear average velocity v is not equal to the actual flow velocity, and the average flow velocity of the cross section can be obtained by multiplying the flow velocity distribution correction coefficient k, and then multiplying the average flow velocity by the cross section of the pipeline to obtain the instantaneous flow Q.
The specific principle that the indicator lamp 23 is moved to the specified position to light up is as follows:
referring to fig. 6, when the ultrasonic transmission sensor 17 is determined to be at the left position, the control circuit 51 calculates the downstream ultrasonic sound path L1, the ultrasonic reception sensor 15 is moved, and the control circuit 51 calculates the downstream ultrasonic sound path L2, the distance D between the ultrasonic transmission sensor 17 and the ultrasonic reception sensor 15 becomes 2(L1sin θ 1+ L2sin θ 2), and the indicator lamp 23 is turned on if D is within the set optimal distance range.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (8)
1. An ultrasonic flow measuring device for measuring liquid or gas flow comprises an upper shell and a lower shell, and is characterized in that a circuit control unit is arranged in the upper shell, clamps are arranged at the left end and the right end of the lower shell and connected with a pipeline to be measured, a measuring channel communicated with the inside of the lower shell is arranged at the bottom end of the lower shell and positioned between the two clamps, an ultrasonic sensor receiving assembly and an ultrasonic sensor sending assembly are sequentially arranged in the lower shell along the left horizontal direction and the right horizontal direction by adopting an ultrasonic measurement V method, and the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly are connected with the circuit control unit through wireless data transmission;
the ultrasonic sensor receiving assembly comprises an ultrasonic receiving sensor and a first sensor support, the ultrasonic sensor sending assembly comprises an ultrasonic sending sensor and a second sensor support, and the bottom ends of the first sensor support and the second sensor support are vertically opposite to the measuring channel and are parallelly abutted to the top end of the pipeline to be measured; the second sensor support passes through the bolt fastening and in the inferior valve body, and the clamp is changed according to the diameter size of the pipeline that awaits measuring, and both sides bottom all is provided with the chimb around the first sensor support, and the sliding tray has been seted up along controlling the horizontal direction to lower casing below two chimbs, and first sensor support top is provided with the locating part of restriction its removal.
2. The ultrasonic flow measuring device for measuring the flow of liquid or gas according to claim 1, wherein the circuit control unit comprises a control electric board and a connection socket, the control electric board is wirelessly transmitted with the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly, the connection socket is welded at the bottom end of the right side of the control electric board, a waterproof joint for an external wiring harness is installed at the right side of the upper shell, and the external wiring harness enters the upper shell through the waterproof joint and is connected with the connection socket.
3. An ultrasonic flow measuring device according to claim 2, wherein a middle partition is provided in the upper case, the top end of the middle partition and the bottom end of the upper case are provided with edge grooves at staggered edges for being fastened to each other, a lower partition is provided on the right side of the middle partition in parallel abutting against the left side of the connector socket, an upper partition opposite to the lower partition is provided in the upper case, and the control electric plate is held between the upper partition and the lower partition.
4. An ultrasonic flow measuring device according to claim 3, wherein a sealing ring is sleeved on the right side of the control electrode, and the upper and lower ends of the sealing ring are respectively abutted against the upper and lower partition plates.
5. The ultrasonic flow measuring device for measuring the flow of liquid or gas according to claim 1, wherein the position limiting member comprises two pressing plates and a fastening base which are positioned above the two sliding grooves, the fastening base is provided with a plurality of pressing plates and is fixedly installed in the lower shell along the left and right horizontal directions, the top end of the fastening base is provided with a threaded hole for fixing a bolt in a matching manner, and a through hole is formed in the position of the pressing plate, which is opposite to the threaded hole, for the bolt to pass through.
6. An ultrasonic flow measuring device according to claim 1, wherein a plurality of indicator lights for reminding the ultrasonic sensor receiving module to move to a predetermined position are provided at the top end of the control circuit board, a plurality of through grooves are provided at the top end of the upper housing at positions corresponding to the plurality of indicator lights, and display lenses of different colors are provided in the plurality of through grooves.
7. The ultrasonic flow measuring device for measuring the flow of liquid or gas according to claim 1, wherein the bottom end of the lower shell is provided with a mounting bracket, the bottom ends of the left side and the right side of the mounting bracket are provided with arc surfaces matched with the pipeline to be measured, and the mounting bracket is replaced according to the diameter of the pipeline to be measured.
8. An ultrasonic flow measuring method for measuring liquid or gas flow, which applies the ultrasonic flow measuring device of the claims 1-7, is characterized in that the device comprises a circuit control unit, an ultrasonic sensor receiving component and an ultrasonic sensor sending component which are sequentially arranged along the left and right horizontal directions by adopting an ultrasonic measurement V method; the measurement is completed through the ultrasonic sensor receiving assembly and the ultrasonic sensor sending assembly according to an ultrasonic measurement V method, and the calculation and the output of measurement data are completed through the circuit control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075855.7A CN113588025A (en) | 2021-09-14 | 2021-09-14 | Ultrasonic flow measuring device and method for measuring liquid or gas flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075855.7A CN113588025A (en) | 2021-09-14 | 2021-09-14 | Ultrasonic flow measuring device and method for measuring liquid or gas flow |
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| CN113588025A true CN113588025A (en) | 2021-11-02 |
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| CN202111075855.7A Pending CN113588025A (en) | 2021-09-14 | 2021-09-14 | Ultrasonic flow measuring device and method for measuring liquid or gas flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818057A (en) * | 2023-08-18 | 2023-09-29 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Flowmeter on-site metering system and method |
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2021
- 2021-09-14 CN CN202111075855.7A patent/CN113588025A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818057A (en) * | 2023-08-18 | 2023-09-29 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Flowmeter on-site metering system and method |
| CN116818057B (en) * | 2023-08-18 | 2023-11-17 | 江苏省计量科学研究院(江苏省能源计量数据中心) | Flowmeter on-site metering system and method |
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