CN101419083B - Plug-in water meter - Google Patents
Plug-in water meter Download PDFInfo
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- CN101419083B CN101419083B CN2007101134376A CN200710113437A CN101419083B CN 101419083 B CN101419083 B CN 101419083B CN 2007101134376 A CN2007101134376 A CN 2007101134376A CN 200710113437 A CN200710113437 A CN 200710113437A CN 101419083 B CN101419083 B CN 101419083B
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- permanent magnet
- capacitor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 8
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The invention discloses an insert type water meter, and belongs to the field of water supply measuring instrumentation. The insert type water meter consists of a coaxial cable, a copper tube, a stainless steel shell, a polarity detector, a permanent magnet, a magnetic field test coil, positive and negative electrodes, a lead wire plate, a shield plate, a coil brace, a plastic piece and an intelligent part; and the insert type water meter is mainly used in the field of flow measurement. The insert type water meter has a simple structure, small volume and low cost, changes to utilize the permanent magnet and the electrodes as a basic meter, has the advantages of reliable performance, flexible control, uneasy blockage and so on, and has quite important significance.
Description
Technical field
The invention belongs to the flow metering field, particularly component of machine and circuit information transmission technology association area.
Background technology
What generally use at present is that water meter is the impeller base table, be to utilize the water impact impeller, learn flow velocity and corresponding discharge information is delivered to circuit, can show fluid flow, and this water meter structure complexity, cost height, not easy to assemble, required initiating flow is bigger, to the water quality requirement height, make troubles for production and use.
Summary of the invention
Problem for the dissatisfied above-mentioned technology existence of determining, technical matters to be solved by this invention provides in a kind of direct insertion pipeline, utilize permanent magnet and electrode a kind of pitometer as base table, the present invention is simple in structure, cost is low, measure that accurate, required initiating flow is little, the life-span improves a lot than impeller base table, required water quality requirement is also lower.
The technical scheme that technical solution problem of the present invention is taked is, the contrast accompanying drawing, describe, Fig. 1, the present invention is by coaxial cable 1 in 2, copper pipe 2, stainless steel casing 3, polarity detection bodies 4, permanent magnet 5, magnetic field detection coil 6, positive and negative electrode 7, wire guide plate 8, barricade 9, coil brace 10, working of plastics 11, intelligence part 12 is formed, wherein positive and negative electrode 7 is fixed on the wire guide plate 8, the coaxial cable 1 that is enclosed within 2 li of copper pipes also is fixed on the wire guide plate 8, barricade 9 is at the upside of wire guide plate 8, support 10 is 6 of permanent magnet 5 and magnetic field detection coils, working of plastics 11 is near permanent magnet 5, polarity detection bodies 4 is in the upper end of product of the present invention one side, stainless steel casing 3 is in the outside, described a kind of plug-in permanent magnet flow transmitter, it is characterized in that, permanent magnet 5 is " E " shape (seeing accompanying drawing 2), and the shape at its two poles of the earth, outside all becomes miter angle with level; In order to realize the monitoring of traffic transport data, it is characterized in that intelligent part 12 is by single-chip microcomputer U6MSP430F133, signal shaping amplifier 13, A/D changes sample circuit 14, reference voltage shaping circuit 16, magnetic sensor circuit 17, voltage detecting/reset circuit 18 is formed, and single-chip microcomputer U6MSP430F133 respectively with signal shaping amplifier 13, A/D changes sample circuit 14, reference voltage shaping circuit 16, magnetic sensor circuit 17, voltage detecting/reset circuit 18 is connected, and wherein signal shaping amplifier 13 is by amplifier U2, amplifier U3, amplifier U7 and inductance R6, inductance R8, inductance R10, inductance R11, inductance R25, inductance R26, inductance R19～R22 forms; A/D conversion sample circuit 14 is made up of U17 LTC2484 and capacitor C 16, capacitor C 23, capacitor C 25; Reference voltage shaping circuit 16 is made up of U8 LMC7111, capacitor C 21, capacitor C 22, inductance R4, inductance R15, inductance R16 and diode D1, diode D3.Former and the workflow of work of the present invention is: by positive and negative electrode 7 measurement flow rate, the electric signal that produces is through signal shaping amplifier 13, A/D conversion Acquisition Circuit 14 to single-chip microcomputer U6, thereby learn flow through corresponding program, thereby single-chip microcomputer U6 detects the magnetic power of permanent magnet 5 by control magnetic sensor circuit 17.
The present invention compared with prior art, the invention has the beneficial effects as follows: adopt permanent magnet and electrode as base table, make power consumption grand low, required initiating flow is relatively little, can use for a long time, " E " shape of permanent magnet, significantly reduced the magnetic amount of leakage, simple in structure, cooperate the intelligence part to improve precision, reduce cost, played positive effect from many aspects.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is a product scheme of installation of the present invention.
Fig. 2 is product A of the present invention-A diagrammatic cross-section.
Fig. 3 is a product intelligent partial circuit block diagram of the present invention.
Fig. 4 is product one an embodiment circuit diagram of the present invention.
1. coaxial cables among the figure, 2. copper pipe, 3. stainless steel casing, 4. polarity detection bodies, 5. permanent magnet, 6. magnetic field detection coil, 7. positive and negative electrode, 8. wire guide plate, 9. barricade, 10. support, 11. working of plastics, 12 intelligent parts, 13. signal shaping amplifiers, 14.A/D the conversion sample circuit, 15.D/A switching signal, 16. reference voltage shaping circuits, 17. magnetic sensor circuit, 18. voltage detecting/reset circuit, 19. temperature probes.
Embodiment
With coaxial cable, copper pipe, stainless steel casing, the polarity detection bodies, permanent magnet, the magnetic field detection coil, positive and negative electrode, wire guide plate, barricade, support, working of plastics, the intelligence part is according to Fig. 1, the requirement of Fig. 2 is installed, among Fig. 4,4 pin of single-chip microcomputer U6MSP430F133 connect 1 pin of U7 in the signal shaping amplifier 13,5 pin of single-chip microcomputer U6MSP430F133,20 pin, 21 pin connect the COILPOWER pin of magnetic sensor circuit 17 respectively, the CoilGate pin, the CoilGtrl pin, 6 pin of single-chip microcomputer U6 connect signal shaping amplifier 13 by inductance R3,8 pin, 9 pin meet crystal oscillator Y2,7 pin, 10 pin are respectively by capacitor C 33, C34 connects 11 pin, 12 pin of single-chip microcomputer U6,60 pin, 61 pin connect temperature probe 19 respectively, 15 pin～19 pin meet the CS of A/D conversion sample circuit 14 respectively, SCK, SDI, SD0, the F0 end, 26 pin connect reference voltage shaping circuit 16,62 pin, 63 pin are earth terminals, 54 pin～58 pin connect 1 pin of J12 respectively, 3 pin, 4 pin, 5 pin, 6 pin, 8 pin of J12,10 pin are earth terminal, 9 pin of J12 are power end, 1 pin of single-chip microcomputer U6MSP430F133,64 pin are respectively by capacitor C 18, C19 ground connection, 2 pin of U2 in the signal shaping amplifier 13 wherein, 5 pin ground connection, 1 pin connects 3 pin of U7 by inductance R6 one tunnel, another road connects 1 pin of U7 by inductance R8,2 pin of U7,5 pin are earth terminal, 4 pin of U7 connect 1 pin of U3 by inductance R25,2 pin of U3,5 pin are earth terminal, 3 pin of U3 are by inductance R11, R21 connects 3 pin of U2,4 pin of U3 are by inductance R22, R10 connects 4 pin of U2,2 pin of U17 in the A/D conversion sample circuit 14,3 pin are power end and pass through capacitor C 16 ground connection, 8 pin of U17,11 pin are earth terminal, 4 pin of U17,5 pin connect signal shaping amplifier 13, and respectively by capacitor C 23, C25 ground connection, 1 pin of U8 in the reference voltage shaping circuit 16,4 pin connect signal shaping amplifier 13 by inductance R4,2 pin, 5 pin ground connection, and respectively through the capacitor C 21 that is connected in parallel, inductance R15 and the capacitor C 22 that is connected in parallel, inductance R16 connects 3 pin of U8,2 pin of U5 in voltage detecting/ reset circuit 18,3 pin are respectively by inductance R13, capacitor C 17 ground connection, wherein 3 pin of U5 are power end, in manufacturing process, reasonably arrange circuit board and import corresponding program to single-chip microcomputer, install according to accompanying drawing, connect, debugging can reach the above-mentioned functions requirement.
Claims (1)
1. pitometer, it is characterized in that, by coaxial cable (1), copper pipe (2), stainless steel casing (3), polarity detection bodies (4), permanent magnet (5), magnetic field detection coil (6), positive and negative electrode (7), wire guide plate (8), barricade (9), coil brace (10), working of plastics (11), intelligence part (12) is formed, wherein positive and negative electrode (7) is fixed on the wire guide plate (8), the coaxial cable (1) that is enclosed within copper pipe (2) lining also is fixed on the wire guide plate (8), barricade (9) is at the upside of wire guide plate (8), support (10) is between permanent magnet (5) and magnetic field detection coil (6), working of plastics (11) is near permanent magnet (5), polarity detection bodies (4) is in the upper end of product of the present invention one side, stainless steel casing (3) is in the outside, and described permanent magnet (5) is " E " shape; Intelligence part (12) is by single-chip microcomputer MSP430F133 (U6), signal shaping amplifier (13), A/D changes sample circuit (14), reference voltage shaping circuit (16), magnetic sensor circuit (17), voltage detecting reset circuit (18) is formed, and single-chip microcomputer MSP430F133 (U6) respectively with signal shaping amplifier (13), A/D changes sample circuit (14), reference voltage shaping circuit (16), magnetic sensor circuit (17), voltage detecting reset circuit (18) is connected, and wherein signal shaping amplifier (13) is by amplifier U2, amplifier U3, amplifier U7, inductance R6, inductance R8, inductance R10, inductance R11, inductance R25, inductance R26, inductance R19～R22 forms; A/D conversion sample circuit (14) is made up of LTC2484 (U17) and capacitor C 16, capacitor C 23, capacitor C 25; Reference voltage shaping circuit (16) is made up of LMC7111 (U8), capacitor C 21, capacitor C 22, inductance R4, inductance R15, inductance R16 and diode D1, diode D3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101134376A CN101419083B (en) | 2007-10-23 | 2007-10-23 | Plug-in water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101134376A CN101419083B (en) | 2007-10-23 | 2007-10-23 | Plug-in water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101419083A CN101419083A (en) | 2009-04-29 |
| CN101419083B true CN101419083B (en) | 2011-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101134376A Active CN101419083B (en) | 2007-10-23 | 2007-10-23 | Plug-in water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101419083B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103163A (en) * | 1993-11-19 | 1995-05-31 | 黄佑仲 | Electronic water-meter |
| US5691484A (en) * | 1995-04-26 | 1997-11-25 | Feller; Murray F. | Magnetic flow sensor |
| CN1560569A (en) * | 2004-02-18 | 2005-01-05 | 沈阳市传感技术研究所 | Permanent-magnet small bore flowmeter |
| CN201107064Y (en) * | 2007-10-23 | 2008-08-27 | 庄革 | Inserted type permanent magnetism flow transmitter |
| CN201110772Y (en) * | 2007-10-23 | 2008-09-03 | 庄革 | Insert type water meter |
| CN101419084A (en) * | 2007-10-23 | 2009-04-29 | 庄革 | Plug-in permanent magnet flow transmitter |
-
2007
- 2007-10-23 CN CN2007101134376A patent/CN101419083B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103163A (en) * | 1993-11-19 | 1995-05-31 | 黄佑仲 | Electronic water-meter |
| US5691484A (en) * | 1995-04-26 | 1997-11-25 | Feller; Murray F. | Magnetic flow sensor |
| CN1560569A (en) * | 2004-02-18 | 2005-01-05 | 沈阳市传感技术研究所 | Permanent-magnet small bore flowmeter |
| CN201107064Y (en) * | 2007-10-23 | 2008-08-27 | 庄革 | Inserted type permanent magnetism flow transmitter |
| CN201110772Y (en) * | 2007-10-23 | 2008-09-03 | 庄革 | Insert type water meter |
| CN101419084A (en) * | 2007-10-23 | 2009-04-29 | 庄革 | Plug-in permanent magnet flow transmitter |
Non-Patent Citations (1)
| Title |
|---|
| CN 1560569 A,全文. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101419083A (en) | 2009-04-29 |
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