CN1417564A - Magnetiaclly driven optoelectronic flowmeter - Google Patents
Magnetiaclly driven optoelectronic flowmeter Download PDFInfo
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- CN1417564A CN1417564A CN 01129016 CN01129016A CN1417564A CN 1417564 A CN1417564 A CN 1417564A CN 01129016 CN01129016 CN 01129016 CN 01129016 A CN01129016 A CN 01129016A CN 1417564 A CN1417564 A CN 1417564A
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- transmission
- flowmeter
- impeller
- gas
- rotating disk
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Abstract
The magnetically driven potoelectronic flowmeter for measuring and controlling flow rate of fluid includes valve body, vane wheel and vane wheel shaft. The vane wheel is mounted on the vane wheel shaft and inside the sealed valve body compartment. One rotating disk is also installed onto the vane wheel shaft, one transmitting disk is installed onto the transmitting shaft in the transmitting compartment, and any one of the rotating disk and the transmitting disk is made of permanent magnet while the other is made of magnetic steel or other magnetic conducting material. One light chopping disk with radial through holes is also installed onto the transmitting shaft and a potoelectronic emitting tube and a potoelectronic receiving tube are mounted on two sides of the through holes. The magnetically driven potoelectronic flowmeter has high stability, high reliability and less error.
Description
Affiliated technical field:
The present invention relates to a kind of flowmeter of measuring and controlling the fluid flow size.
Background technology:
In the pipeline of fluid,, therefore be extensive use of flowmeter in order to understand and control the flow and the flow velocity of fluid at any time.Existing flowmeter general using fluid comes image data to the rotation of the impulsion impeller axle of impeller and handles, and finally obtains flow rate of fluid and flow value.
(patent name is: a kind of flowmeter) in the ZL98249939.6 patent, disclose a kind of by on the disk under the impeller, having uniform magnet mounting hole, utilize hall device to detect the signal of the magnetic line of force and the signal that processing obtains again, thereby the flow of convection cell detect, control.But adopt this flowmeter, because disk and magnet are installed in the valve pocket, the corrosion that is subjected to fluid influences its life-span, and the impurity in the fluid also can produce adverse influence to the measuring accuracy of flowmeter simultaneously.Owing to the installation requirement of magnet, it is installed quantity and is restricted in addition, and generally in ten, therefore the data of gathering are limited for quantity, and measuring accuracy is limited.
Summary of the invention:
Technical matters to be solved by this invention provides the flowmeter that separate with input in a kind of fluid-tight storehouse, thereby impurity such as the scale crust in the minimizing fluid, silt are to the influence of measuring accuracy.
Technical scheme of the present invention is: magnetic transmission photoelectricity flowmeter comprises valve body, water inlet, water delivering orifice, impeller, impeller shaft, impeller is installed on the impeller shaft and places the valve seal storehouse, and rotating disk is installed also on impeller shaft, on the transmission shaft in the transmission storehouse that isolates with gas-tight silo drive plate is installed, in rotating disk and the drive plate any one adopts permanent-magnet steel to make, another is made for magnet steel or permeability magnetic material, above-mentioned drive plate is that magnetic force is inhaled and positioned opposite mutually with the axial end of above-mentioned rotating disk, blanking disc also is installed on transmission shaft, the periphery of above-mentioned blanking disc has radial direction through hole, and photoemission cell and photoelectric receiving tube are installed in the both sides of above-mentioned radial direction through hole.
Adopt magnetic transmission photoelectricity flowmeter of the present invention to have and measure the advantage stable, reliable, that error is little.After the quantity of radial direction through hole is increased, in wheel rotation during one week, the output terminal of photoelectric receiving tube even can produce 100 electric impulse signals, so measuring accuracy significantly improves.Rotating disk in the gas-tight silo can adopt permeability magnetic material, has etch-proof advantage.
Description of drawings:
Fig. 1 is the front view of magnetic transmission photoelectricity flowmeter;
Fig. 2 is the A-A cut-open view among Fig. 1;
Fig. 3 opens the C of transmission storehouse end cap to view among Fig. 2;
Fig. 4 opens the B of gas-tight silo end cap to view among Fig. 2.
Embodiment:
Magnetic transmission photoelectricity flowmeter comprises valve body 5, fluid intake 4, fluid egress point 1, impeller 2, impeller shaft 8, impeller 2 is installed on the impeller shaft 8 and places valve seal storehouse 6, rotating disk 10 also is installed on impeller shaft 8, on the transmission shaft 16 in the transmission storehouse 18 that isolates with gas-tight silo 6 drive plate 12 is installed, blanking disc 17 also is installed on transmission shaft 16, the periphery of above-mentioned blanking disc 17 has radial direction through hole 21, and photoemission cell 15 and photoelectric receiving tube 14 are installed in the both sides of above-mentioned radial direction through hole 21.
Its turntable 10 is made with any one the employing permanent-magnet steel in the drive plate 12, another is made for magnet steel or permeability magnetic material, above-mentioned drive plate 12 is with the axial end positioned opposite of above-mentioned rotating disk 10 and by the magnetic attraction effect, guarantee that rotating disk 10 rotates with impeller 2 when the impulsion of fluid, because the magnetic interaction between rotating disk 10 and the drive plate 12 is also rotated drive plate 12 with rotating disk 10.Drive plate 12 drives blanking disc 17 rotations by transmission shaft 16 simultaneously, light beam between 21 pairs of photoemission cells 15 of radial direction through hole on the blanking disc 17 and the photoelectric receiving tube 14 cuts, output terminal at photoelectric receiving tube 14 produces continuous square wave electric signal, this electric signal can calculate by traffic analyzer, obtains high-precision data on flows and also can control by convection cell.
Between impeller 2 in gas-tight silo 6 and the rotating disk 10 gas-tight silo positioning disk 20 is installed, the periphery of above-mentioned gas-tight silo positioning disk 20 cooperates with the inwall of gas-tight silo 6.Between the drive plate 12 in transmission storehouse 18 and blanking disc 17, transmission storehouse positioning disk 19 is installed.The quantity of radial direction through hole 21 is more than one, is distributed on the peripheral position of blanking disc 17.
Embodiment:
As shown in Figure 1, in gas-tight silo 6, be provided with impeller 2, impeller 2 axially with valve body 5 on fluid intake 4 and fluid egress point 1 axial vertical, so when fluid passes through fluid intake 4 and fluid egress point 1, the fluid impeller 2 of just can getting excited rotates.Flow in the gas-tight silo 6 in order to reduce impurity, 4 places are provided with screen pack 3 at fluid intake.
As shown in Figure 2, the valve body 5 of magnetic transmission photoelectricity flowmeter comprises two gas-tight silo 6 and transmission storehouses 18 that isolate fully mutually.Impeller 2 is fixedly mounted on the impeller shaft 8, and the two ends of impeller shaft 8 are installed on valve body 5 and the gas-tight silo end cap 7 and guarantee freely to rotate.Hypomere at impeller shaft 8 also is installed with rotating disk pallet 11, and rotating disk 10 is placed in this rotating disk pallet 11, and rotating disk 10 can be a ring-type integral body, also can be several being distributed in the rotating disk pallet 11.Be provided with gas-tight silo positioning disk 20 between impeller 2 and rotating disk 10, the periphery of sealing storehouse positioning disk 20 cooperates with the inwall of gas-tight silo 6, leaks into operate as normal and the measuring accuracy that rotating disk 10 places influence flowmeter thereby reduce fluid impurity as much as possible.So driving rotating disk 10 by impeller shaft 8 after impeller 2 is by fluid impulsion rotation rotates thereupon.
In transmission storehouse 18 shown in Figure 2, on valve body 5 and transmission storehouse end cap 22, rotating transmission shaft 16 is installed, the upper end of transmission shaft 16 is installed with drive plate pallet 13, and drive plate 12 is installed in drive plate pallet 13.Drive plate 16 and rolling disc 10 corresponding installations, and rotating disk 10 adopts magnet steel or permeability magnetic material to make, and drive plate 12 adopts permanent-magnet steel to make, and therefore owing to the magnetic force adelphotaxy between rotating disk 10 and the drive plate 12, rotating disk 10 also drives drive plate 12 rotations.Its turntable 10 adopts permeability magnetic material to have etch-proof advantage.
Hypomere at transmission shaft 16 also is installed with circular blanking disc 17, and blanking disc 17 has many radial direction through hole 21 at a peripheral position as shown in Figure 3.Simultaneously corresponding photoemission cell 15 and photoelectric receiving tube 14 are installed on the inwall in transmission storehouse 18, photoemission cell 15 and photoelectric receiving tube 14 place the two ends up and down of the radial direction through hole 21 of blanking disc 17 respectively.Drive blanking disc 17 rotations when drive plate 12 rotations and by transmission shaft 16, rotation along with blanking disc 17, light beam between 21 pairs of photoemission cells 15 of radial direction through hole on the blanking disc 17 and the photoelectric receiving tube 14 cuts, output terminal at photoelectric receiving tube 14 produces continuous square wave electric signal, this electric signal can calculate by traffic analyzer, obtains high-precision data on flows and also can control.Thereby reach purpose of the present invention.
In addition, in transmission storehouse 18, transmission storehouse positioning disk 19 can also be set between drive plate 12 and blanking disc 17, its structure is identical with gas-tight silo positioning disk 20.The lower end of impeller shaft 8 also can be installed on the gas-tight silo positioning disk 20, and the upper end of transmission shaft 16 is installed on the transmission storehouse positioning disk 19, can regulate the distance and the position of rotating disk 10 and drive plate 12 by the installation site of adjusting gas-tight silo positioning disk 20 and transmission storehouse positioning disk 19.
Faying face between gas-tight silo 2 and gas-tight silo end cap 7 adopts O-ring seal 9 to seal.
Claims (5)
1, a kind of magnetic transmission photoelectricity flowmeter, comprise valve body (5), fluid intake (4), fluid egress point (1), impeller (2), impeller shaft (8), impeller (2) is installed in impeller shaft (8) and goes up and place valve seal storehouse (6), it is characterized in that: rotating disk (10) also is installed on impeller shaft (8), on the transmission shaft (16) in the transmission storehouse (18) that isolates with gas-tight silo (6) drive plate (12) is installed; Rotating disk (10) is made with any one the employing permanent-magnet steel in the drive plate (16), another is made for magnet steel or permeability magnetic material, above-mentioned drive plate (12) is that magnetic force is inhaled and positioned opposite mutually with the axial end of above-mentioned rotating disk (10), blanking disc (17) also is installed on above-mentioned transmission shaft (16), the periphery of above-mentioned blanking disc (17) has radial direction through hole (21), and (150 are installed in the both sides of above-mentioned radial direction through hole (21) with photoelectric receiving tube (14) to photoemission cell.
2,, a kind of magnetic transmission photoelectricity flowmeter as claimed in claim 1, it is characterized in that: rotating disk (10) is a permeability magnetic material, and drive plate (12) is a permanent-magnet steel.
3, a kind of magnetic transmission photoelectricity flowmeter as claimed in claim 1, it is characterized in that: between impeller (2) in gas-tight silo (6) and the rotating disk (10) gas-tight silo positioning disk (20) is installed, the periphery of above-mentioned gas-tight silo positioning disk (20) cooperates with the inwall of gas-tight silo (6), and an end of impeller shaft (8) is installed on the gas-tight silo positioning disk (20).
4, a kind of magnetic transmission photoelectricity flowmeter as claimed in claim 1, it is characterized in that: between the drive plate (12) of transmission storehouse (18) and blanking disc (17), transmission storehouse positioning disk (19) is installed, the periphery of above-mentioned transmission storehouse positioning disk (19) cooperates with the inwall of transmission storehouse (18), and an end of transmission shaft (16) is installed on the transmission storehouse positioning disk (19).
5, a kind of magnetic transmission photoelectricity flowmeter as claimed in claim 1, it is characterized in that: the quantity of described radial direction through hole (21) is more than one, is distributed on the periphery of blanking disc (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01129016 CN1417564A (en) | 2001-11-01 | 2001-11-01 | Magnetiaclly driven optoelectronic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01129016 CN1417564A (en) | 2001-11-01 | 2001-11-01 | Magnetiaclly driven optoelectronic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1417564A true CN1417564A (en) | 2003-05-14 |
Family
ID=4668823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01129016 Pending CN1417564A (en) | 2001-11-01 | 2001-11-01 | Magnetiaclly driven optoelectronic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1417564A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464166C (en) * | 2006-09-26 | 2009-02-25 | 重庆前卫克罗姆表业有限责任公司 | Grating electronic counting pulse generator for fine gas meter |
| CN101799028B (en) * | 2009-02-06 | 2012-02-29 | 上海融德机电工程设备有限公司 | Valve position indicator for indicating position of hydraulic actuator |
| CN104792385A (en) * | 2014-11-20 | 2015-07-22 | 上海星空自动化仪表有限公司 | Waist wheel flow meter |
| CN111044109A (en) * | 2019-12-06 | 2020-04-21 | 金卡智能集团股份有限公司 | Metering instrument photoelectric sampling assembly and metering instrument |
-
2001
- 2001-11-01 CN CN 01129016 patent/CN1417564A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100464166C (en) * | 2006-09-26 | 2009-02-25 | 重庆前卫克罗姆表业有限责任公司 | Grating electronic counting pulse generator for fine gas meter |
| CN101799028B (en) * | 2009-02-06 | 2012-02-29 | 上海融德机电工程设备有限公司 | Valve position indicator for indicating position of hydraulic actuator |
| CN104792385A (en) * | 2014-11-20 | 2015-07-22 | 上海星空自动化仪表有限公司 | Waist wheel flow meter |
| CN111044109A (en) * | 2019-12-06 | 2020-04-21 | 金卡智能集团股份有限公司 | Metering instrument photoelectric sampling assembly and metering instrument |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |