CN2784886Y - Magnetic field sensing fluid meter - Google Patents
Magnetic field sensing fluid meter Download PDFInfo
- Publication number
- CN2784886Y CN2784886Y CN 200520000685 CN200520000685U CN2784886Y CN 2784886 Y CN2784886 Y CN 2784886Y CN 200520000685 CN200520000685 CN 200520000685 CN 200520000685 U CN200520000685 U CN 200520000685U CN 2784886 Y CN2784886 Y CN 2784886Y
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- China
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- magnetic field
- main body
- fluid meter
- pipeline main
- flow fluid
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- Expired - Fee Related
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Abstract
The utility model relates to a magnetic field sensing fluid meter, which comprises a pipeline main body, blade wheels and a cover plate, wherein the blade wheels are provided with a plurality of radial fans; the cover plate is provided with a magnetic field sensor; a magnet is inlaid in the end part of one radial fan; the inner side of the pipe diameter of the pipeline main body is arranged into a hollow pipeline; the pipe diameter is provided with a seat stand; the cover plate can be assembled on the seat stand so that the blade wheels can be arranged on the seat stand and the inner side of the cover plate in a free rotation mode; in such a way, the blade wheels form a revolving sluice of the hollow pipeline of the pipeline main body. When the fluid flows in the hollow pipeline of the pipeline main body, the blade wheels are impacted to rotate. When the blade wheels rotate, the fan which is inlaid with the magnet every time passes through the right bottom of the magnetic field sensor which is arranged on the cover, the magnetic field sensor senses generation of hall effect once and immediately outputs a signal to a micro computer processor. The utility model uses the micro computer processor to accurately measure the rotation speed of the blade wheels and converts the rotation speed to the flow quantity and the flow speed which are measured.
Description
Technical field
The utility model relates to a kind of fluid meter, particularly with the fluid meter of applying a magnetic field sensor measurement fluid flow.
Background technology
A kind of structure of knowing fluid meter 10 as shown in Figure 1, is to be set as the venturi tube structure with throat in the inside of pipeline main body 11.Just, the fluid intake portion 13 of the pipeline main body 11 of fluid meter 10 is set as the contraction pipeline, the fluid egress point portion 14 of pipeline main body 11 then is set as the diffusion pipeline, so, promptly form the A of throat and constitute the Venturi tube structure in the junction of shrinking pipeline and diffusion pipeline.
During use, know fluid meter 10 mats and measure the pressure head P2 of the fluid egress point portion 14 of the pressure head P1 of fluid intake portion 13 of pipeline main body 11 and pipeline main body 11 near necks, make differential pressure pickup 15 obtain the pressure reduction P1-P2 numerical value that fluid intake portion 13 and fluid egress point portion 14 are produced near the A of throat, after utilizing micro processor to convert measured pressure reduction P1-P2 to measure flow and flow velocity again, promptly show the measured numerical value that comes out.
But, this shortcoming of knowing fluid meter 10 is exactly that differential pressure pickup 15 is because the upper and lower end face must be born pressure head P1 and pressure head P2 simultaneously, so often causing differential pressure pickup 15 can not bear pressure reduction changes and breaks down, and cause this serviceable life of knowing fluid meter 10 shorter, and be not inconsistent economic benefit.
Summary of the invention
Therefore, fundamental purpose of the present utility model is to provide a kind of magnetic field senses flow fluid meter, comprise: a pipeline main body, one is provided with the blade wheel of some radially leaf fans, and a cover plate that is provided with magnetic field sensor is formed jointly, especially wherein a slice of blade wheel radially is embedded with magnet in the end of leaf fan, and the caliber inside of pipeline main body is to be set as to be the hollow pipeline, not to constitute the Venturi tube structure, and the caliber of pipeline main body is provided with a seat stand, except provide the cover plate that is provided with magnetic field sensor can be assembled in this above seat stand, but and facilitate the blade wheel that is provided with some radially leaf fans to be arranged on the inside of this seat stand and this cover plate and to make the blade wheel constitute the rotary gate of the hollow pipeline of described pipeline main body with free rotation mode; When flowing to the hollow pipeline of pipeline main body, fluid produced rotation because the blade wheel can be impacted, and it is each through under the magnetic field sensor of being located at cover plate that it is embedded with radially leaf fan of magnet during one rotation of blade wheel, can make magnetic field sensor sense that Hall effect produces and immediately output signal to micro processor, therefore, after can utilizing micro processor accurately to measure the rotating speed of blade wheel, convert flow and the flow velocity measured again to, and show the measured numerical value that comes out.
The secondary objective of the utility model, be that a kind of multi-functional fluid meter is being provided, on the pipeline main body of fluid meter, other is provided with TDS water-quality test device, when measuring tap water, mountain spring water, mineral water, and during the flow of various packing water, can measuring tap water, mountain spring water, mineral water, and the water quality purity and the water hardness of various packing water in the lump.
Magnetic field of the present utility model senses flow fluid meter, by a pipeline main body, one blade wheel, and a cover plate that is provided with magnetic field sensor is formed jointly, it is characterized in that, the caliber of described pipeline main body is provided with a seat stand and described caliber inside and is set as and is the hollow pipeline, described blade wheel has a rotating shaft and described rotating shaft is provided with some radially leaf fans, and wherein a slice radially is embedded with magnet in the end of leaf fan, described cover plate is assembled on the described seat stand, make described blade wheel be arranged on the inside of described seat stand and cover plate, and constitute the rotary gate of the hollow pipeline of described pipeline main body.
Described blade wheel have six radially leaf fan and radial angle wherein be spaced apart three of 120 degree radially the leaf fan be provided with magnet.
Described blade wheel also can have four radially leaf fan and radial angle wherein be spaced apart two of 180 degree radially the leaf fan be provided with magnet.
Described magnetic field sensor is a kind of Hall IC.
Each sheathed leakproof wheel rim of rotating shaft both sides of described blade wheel, and described leakproof wheel rim is provided with ring groove, the seat stand of described pipeline main body respectively is provided with an arcuation hub rib on across the table top of hollow pipeline both sides, and embed the ring groove of described leakproof wheel rim respectively, and that described enclosure interior is provided with the set arcuation hub rib of a pair of arcuation hub rib and described seat stand is corresponding, embeds the ring groove of described leakproof wheel rim respectively.
The caliber end of described pipeline main body is set as the structure of rapid-acting coupling.
The caliber of described pipeline main body also is provided with TDS water-quality test device.
Description of drawings
Fig. 1 is sectional view and a user mode synoptic diagram thereof of knowing fluid meter;
Fig. 2 is the stereographic map of a kind of magnetic field senses flow fluid meter shown in the utility model;
Fig. 3 is the part sectioned view of fluid meter shown in Figure 2;
Fig. 4 is the stereographic map that fluid meter shown in Figure 2 is taken cover plate apart;
Fig. 5 is the spare part exploded view of fluid meter shown in Figure 2.
The simple declaration of assembly conventional letter
10, know fluid meter 11, pipeline main body
13, fluid intake portion 14, fluid egress point portion
15, differential pressure pickup A, throat
20, fluid meter 21, pipeline main body
22, seat stand 22a, arcuation hub rib
25, bearing 27, hollow pipeline
211, rapid-acting coupling 30, magnet-wheel device
40, blade wheel 41, rotating shaft
42, radially leaf fan 43, caulking groove
50, magnet 60, leakproof wheel rim
61, ring groove 62, axis hole
70, cover plate 71, housing
72, pickup groove 73, magnetic field sensor
73a, output terminal 80, TDS water-quality test device
Embodiment
As Fig. 2 to shown in Figure 5, the fluid meter 20 shown in the utility model, its essential structure by a pipeline main body 21, a magnet-wheel device 30, and a cover plate 70 that is provided with magnetic field sensor 73 form jointly.
Wherein, the inside of pipeline main body 21 is set as and is hollow pipeline 27, but then is arranged with a seat stand 22 on the caliber of pipeline main body 21, assembles and covers on this seat stand 22 for cover plate 70; And this seat stand 22 respectively is provided with an arcuation hub rib 22a on across the table top of hollow pipeline 27 both sides, and its purpose is to provide magnet-wheel device 30 to get mat arcuation hub rib 22a and is arranged in the seat stand 22 of this pipeline main body 21.
Magnet-wheel device 30 is made of jointly blade wheel 40, a slice or the magnet more than a slice 50 and a pair of leakproof wheel rim 60.Wherein, this blade wheel 40 has a rotating shaft 41, and some radially leaves of arranging with the same radial angle that are provided with on every side of rotating shaft 41 fan 42; And one of them sheet radially leaf fan 42 is established a caulking groove 43 on the position of on the side axial towards rotating shaft 41 and fanning 42 ends near leaf radially, makes magnet 50 be embedded in this radially in the caulking groove 43 of leaf fan 42.
Preferred embodiment of the present utility model is blade wheel 40 to be set as have radially leaf fan 42 of four or six, and have four radially the blade wheel 40 of leaf fan 42 be select wherein relative two radially leaf fan 42 be provided with magnet 50; And have six radially leaf fan 42 blade wheel 40 as shown in Figure 3, be select wherein radial angle be spaced apart three of 120 degree radially leaf fan 42 be provided with magnet 50.
The leakproof wheel rim 60 of magnet-wheel device 30 has a ring groove 61 and an axis hole 62, wherein, the rotating shaft 41 that the axis hole 62 of leakproof wheel rim 60 provides to blade wheel 40 articulates in it, after the axis hole 62 of leakproof wheel rim 60 is inserted in the rotating shaft 41 of blade wheel 40, the axis hole 62 of leakproof wheel rim 60 promptly constitutes the bearing of this rotating shaft 41, so blade wheel 40 can rotate freely; And the ring groove 61 of leakproof wheel rim 60 be with the seat stand 22 of being located at pipeline main body 21 on arcuation hub rib 22a constitute combinations matches, so, be fixed on immediately above the arcuation hub rib 22a after 61 combinations of leakproof wheel rim 60 mat ring grooves embed arcuation hub rib 22a.
Therefore, as shown in Figures 3 and 4, after the leakproof wheel rim 60 of whole group magnet-wheel device 30 mat both sides embeds the set arcuation hub rib 22a of the seat stand 22 of pipeline main body 21 respectively, promptly be assembled in the seat stand 22 of pipeline main body 21, and facilitate the radially leaf of the blade wheel 40 of magnet-wheel device 30 to fan 42 because of in the hollow pipeline 27 that enters into pipeline main body 21, and the rotary gate of formation hollow pipeline 27, so, when in a single day fluid passed through the hollow pipeline 27 of pipeline main body 21, the blade wheel 40 of magnet-wheel device 30 will produce rotation.
Cover plate 70 has the housing 71 that is used to hold magnet-wheel device 30 first halves, and the upper end of housing 71 is provided with a pickup groove 72, especially be provided with a magnetic field sensor 73 in the groove of this pickup groove 72, and the output terminal 73a of this magnetic field sensor 73 links to each other with the input end of micro processor.
Be located at the magnetic field sensor 73 of cover plate 70 upper ends, be to measure and magnetic field sensor 73 Hall effect that small field variation produced in vertical direction, and when magnetic field sensor 73 1 sensed the Hall effect generation, its output terminal 73a exported the input end of a Hall voltage to micro processor immediately synchronously.And the employed magnetic field sensor 73 of the utility model is a most preferred embodiment to select Hall IC (HALL IC) for use.
The inside of this housing 71 is provided with a pair of arcuation hub rib (figure does not paint), and the set arcuation hub rib 22a of the seat stand 22 of the shape and the position of being set up and pipeline main body 21 is corresponding, so the arcuation hub rib that cover plate 70 is set and the leakproof wheel rim of magnet-wheel device 30 60 set ring grooves 61 also constitute combinations matches.When cover plate 70 is assembled on the seat stand 22 of pipeline main body 21, cover plate 70 set a pair of arcuation hub ribs embed respectively in the ring groove 61 of leakproof wheel rim 60 of magnet-wheel device 30 both sides, make magnet-wheel device 30 mat leakproof wheel rims 60 folder that is fixed pull and firmly be set at seat stand 22 inside of cover plate 70 and pipeline main body 21.In addition, be assembled on the seat stand 22 of pipeline main body 21 when cover plate 70 after, but mat leakproof wheel rim 60 and anti-drain gasket (figure does not paint) are reached the effect of sealing and leakproof jointly.
As shown in Figure 3, when fluid is flowed through the hollow pipeline 27 of pipeline main body 21 of the fluid meter 20 shown in the utility model, because the blade wheel 40 of the magnet-wheel device 30 of the rotary gate of formation hollow pipeline 27 can be subjected to fluid impact and produce rotation, and the rotating speed of blade wheel 40 and flow rate of fluid or flow are proportional, so flow rate of fluid is faster or flow is bigger, the rotating speed of blade wheel 40 is just faster.Therefore, the utility model calculates the method that blade is taken turns 40 rotating speeds, be utilize blade take turns 40 1 rotations then its to be embedded with the radially leaf fan 42 of magnet 50 each through under the magnetic field sensor 73 of being located at cover plate 70 time, can make magnetic field sensor 73 sense the generation of a Hall effect, and export Hall voltage input end immediately synchronously to micro processor.Therefore, when the blade of magnet-wheel device 30 wheel 40 be to use have four radially leaf fan 42 and wherein radial angle be spaced apart 180 degree two radially leaf fan 42 is provided with magnet 50 time, then micro processor connects one and calculates once Hall voltage and import continuously, promptly represent blade wheel 40 rotation half-turns 180 degree of magnet-wheel device 30, import continuously and whenever calculated twice Hall voltage, promptly represent the blade wheel 40 of magnet-wheel device 30 to revolve 360 degree that turn around.
In like manner, when the blade of magnet-wheel device 30 wheel 40 be to use have six radially leaf fan 42 and radial angle wherein be spaced apart three of 120 degree radially leaf fan 42 be provided with magnet 50, then micro processor connects one and calculates once Hall voltage and import continuously, promptly represent blade wheel 40 rotations 120 degree of magnet-wheel device 30, import continuously and whenever calculated three Hall voltages, promptly represent the blade wheel 40 of magnet-wheel device 30 to revolve 360 degree that turn around.
Take turns the method for 40 rotating speeds according to above-described calculating blade, micro processor can accurately measure the rotating speed of blade wheel 40, cooperating the sectional area size of hollow pipeline 27 is known numerical value, so micro processor just can be taken turns blade 40 rotating speed according to the set reduction formula calculation back that has prestored and is converted into the fluid flow of measuring, and shows with numerical value.
In addition, shown in Fig. 2 to Fig. 5 figure, the one or both ends of the pipeline main body 21 of the fluid meter 20 shown in the utility model must be set as the structure of tool rapid-acting coupling 211, make fluid meter 20 have the function of quick joint upper pipeline; Perhaps, the caliber end of the pipeline main body 21 of the fluid meter 20 shown in the utility model must be set as tool internal thread or external thread, makes the caliber end of fluid meter 20 to screw togather with other pipeline and to be connected.
Perhaps, as shown in Figures 2 and 3, on the caliber of the pipeline main body 21 of the fluid meter 20 shown in the utility model, also be convexly equipped with a bearing 25 again, be exclusively used in the pollutant in the test water, TDS (Total Dissolved Solids) the water-quality test device 80 of impurity must be arranged in this bearing 25, makes the fluid meter 20 shown in the utility model have concurrently to measure the function of water hardness and water quality purity.
So, the fluid meter 20 that the utility model is provided with TDS water-quality test device 80 is used to measure tap water, mountain spring water, mineral water, and during the flow of various packing water, can measure tap water, mountain spring water, mineral water, and the water hardness and the water quality purity of various packing water simultaneously.
Claims (10)
1, a kind of magnetic field senses flow fluid meter, taking turns, reach a cover plate that is provided with magnetic field sensor by a pipeline main body, a blade forms jointly, it is characterized in that, the caliber of described pipeline main body is provided with a seat stand and described caliber inside and is set as and is the hollow pipeline, described blade wheel has a rotating shaft and described rotating shaft is provided with some radially leaf fans, and wherein a slice radially is embedded with magnet in the end of leaf fan, described cover plate is assembled on the described seat stand, and described blade wheel is arranged on the inside of described seat stand and cover plate.
2, magnetic field as claimed in claim 1 senses flow fluid meter is characterized in that, described blade wheel have six radially leaf fan and radial angle wherein be spaced apart three of 120 degree radially the leaf fan be provided with magnet.
3, magnetic field as claimed in claim 1 senses flow fluid meter is characterized in that, described blade wheel have four radially leaf fan and radial angle wherein be spaced apart two of 180 degree radially the leaf fan be provided with magnet.
4, magnetic field as claimed in claim 1 senses flow fluid meter is characterized in that described magnetic field sensor is a Hall IC.
5, as claim 1 wherein each described magnetic field senses flow fluid meter to claim 4, it is characterized in that, each sheathed leakproof wheel rim of rotating shaft both sides of described blade wheel, and described leakproof wheel rim is provided with ring groove, the seat stand of described pipeline main body respectively is provided with an arcuation hub rib on across the table top of hollow pipeline both sides, and embed the ring groove of described leakproof wheel rim respectively, and that described enclosure interior is provided with the set arcuation hub rib of a pair of arcuation hub rib and described seat stand is corresponding, embeds the ring groove of described leakproof wheel rim respectively.
6, magnetic field as claimed in claim 5 senses flow fluid meter is characterized in that the caliber end of described pipeline main body is set as the structure of rapid-acting coupling.
7, magnetic field as claimed in claim 6 senses flow fluid meter is characterized in that the caliber of described pipeline main body is provided with TDS water-quality test device.
8, magnetic field as claimed in claim 5 senses flow fluid meter is characterized in that the caliber of described pipeline main body is provided with TDS water-quality test device.
9, as claim 1 wherein each described magnetic field senses flow fluid meter, it is characterized in that the caliber end of described pipeline main body is set as the structure of rapid-acting coupling to claim 4.
10, as claim 1 wherein each described magnetic field senses flow fluid meter, it is characterized in that the caliber of described pipeline main body is provided with TDS water-quality test device to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000685 CN2784886Y (en) | 2005-02-03 | 2005-02-03 | Magnetic field sensing fluid meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000685 CN2784886Y (en) | 2005-02-03 | 2005-02-03 | Magnetic field sensing fluid meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2784886Y true CN2784886Y (en) | 2006-05-31 |
Family
ID=36771858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000685 Expired - Fee Related CN2784886Y (en) | 2005-02-03 | 2005-02-03 | Magnetic field sensing fluid meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2784886Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI418767B (en) * | 2009-08-27 | 2013-12-11 | Energy Man System Co Ltd | Non - contact sensing device and method for flowmeter |
| CN105181925A (en) * | 2015-09-30 | 2015-12-23 | 王竞 | Tap water detection device |
| CN114200969A (en) * | 2021-12-10 | 2022-03-18 | 安徽理工大学 | Low-power consumption pipeline flow detection and control device based on NB-IOT |
-
2005
- 2005-02-03 CN CN 200520000685 patent/CN2784886Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI418767B (en) * | 2009-08-27 | 2013-12-11 | Energy Man System Co Ltd | Non - contact sensing device and method for flowmeter |
| CN105181925A (en) * | 2015-09-30 | 2015-12-23 | 王竞 | Tap water detection device |
| CN105181925B (en) * | 2015-09-30 | 2017-08-01 | 王竞 | Running water detection means |
| CN114200969A (en) * | 2021-12-10 | 2022-03-18 | 安徽理工大学 | Low-power consumption pipeline flow detection and control device based on NB-IOT |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060531 Termination date: 20100203 |