CN114459560B - Water meter with enhanced anti-interference capability and protection method thereof - Google Patents
Water meter with enhanced anti-interference capability and protection method thereof Download PDFInfo
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- CN114459560B CN114459560B CN202210116584.3A CN202210116584A CN114459560B CN 114459560 B CN114459560 B CN 114459560B CN 202210116584 A CN202210116584 A CN 202210116584A CN 114459560 B CN114459560 B CN 114459560B
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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
- G01F15/14—Casings, e.g. of special material
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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
- G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
- G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention discloses a water meter with enhanced anti-interference capability and a protection method thereof, and relates to the technical field of water meters. Receive insolate, water logging etc. in order to solve traditional water gauge installation back, shortened life greatly, increased manufacturing cost, mechanical water gauge and intelligent object form wholly, the dismouting is inconvenient, can't change mechanical water gauge or intelligent object alone, causes cost of maintenance's increase problem. The water meter with the strengthened anti-interference capability and the protection method thereof have the advantages that the anti-interference effect is further achieved on the water meter through the anti-interference box, the detection accuracy of the non-magnetic sensor is guaranteed, the anti-frequency-change interference protection effect is achieved, the measurement precision is improved, the water meter is suitable for water meters of different sizes and models, the application range is enlarged, meanwhile, the protection effect is achieved on the water meter, the water meter is prevented from being impacted or being interfered by dust and water stains, the service life of the water meter is effectively prolonged, and the impact resistance and the waterproof and dustproof performance of the water meter are improved.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to a water meter with strengthened anti-interference capability and a protection method thereof.
Background
With the progress of science and technology, the water meter is gradually replaced by an intelligent water meter, which is a novel water meter for measuring the water consumption and transmitting and settling the water consumption data by utilizing the modern microelectronic technology, the modern sensing technology and the intelligent IC card technology. Compared with the traditional water meter which only has the functions of flow acquisition and mechanical pointer display of water consumption, the water meter is a great improvement. However, most of the intelligent water meters on the market still have the following problems:
1. the intelligent water meter measures the water consumption through a modern microelectronic technology, a modern sensing technology and an intelligent IC card technology, is easily interfered by external electromagnetic interference, and cannot accurately calculate the flow in the water meter;
2. and traditional water gauge installation back receives insolate, water logging etc. has shortened life greatly, has increased manufacturing cost, and mechanical water gauge and intelligent object form wholly, and the dismouting is inconvenient, can't change mechanical water gauge or intelligent object alone, causes cost of maintenance's increase.
Disclosure of Invention
The invention aims to provide a water meter with enhanced anti-interference capability and a protection method thereof, an anti-interference effect is further achieved on the water meter through an anti-interference box, the detection accuracy of a non-magnetic sensor is ensured, the anti-frequency-change interference protection effect is achieved, the measurement accuracy is improved, a movable clamping seat is matched with a fixed clamping seat to fix the water meter, the stability of fixing the water meter is ensured, the water meter is suitable for water meters with different sizes, the use flexibility of the anti-interference box is improved, the application range is expanded, the water meter is protected, the water meter is prevented from being impacted or interfered by dust and water stains, the service life of the water meter is effectively prolonged, the anti-impact performance and the waterproof and dustproof performance of the water meter are improved, an anti-interference mechanism and an upper cover are detachably mounted, the installation and the maintenance are convenient, the anti-interference performance is strong, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a water gauge with reinforce interference killing feature, including anti-interference case and water gauge, anti-interference case both ends are provided with the water piping connection hole respectively, anti-interference case upper surface is connected with the maintenance door is opened and shut through the hinge respectively, anti-interference case one side is provided with the opening with maintenance door looks adaptation, opening lower extreme one side is provided with the draw-in groove, the water gauge is installed at anti-interference incasement, anti-interference incasement wall lower surface one side is through bolt and fixed cassette fixed connection, fixed cassette opposite side is provided with movable cassette, activity cassette and fixed cassette symmetry set up, activity cassette one side and elastic stay one end fixed connection, the cover has the spring on the elastic stay, the elastic stay other end and anti-interference incasement wall one side fixed connection, fixed cassette and activity cassette inner wall are connected with water gauge lower extreme buckle.
Further, the water gauge includes that shell body, upper cover and anti jamming mechanism constitute, and shell body one end is provided with the water inlet, and the shell body other end is provided with the delivery port, and the shell body upper surface is provided with the external screw thread, and the upper cover inner wall is provided with the internal thread of looks adaptation, and the upper cover passes through internal thread and shell body meshing, and anti jamming mechanism is installed to upper cover one side, installs mechanical water gauge body in the shell body, upper cover lower surface and mechanical water gauge body upper surface contact.
Further, the upper cover is including sealed lid and protective cover, and sealed upper surface one side of covering is provided with the round pin axle bed respectively, and protective cover one side is provided with the fixed pin, and the fixed pin rotates with round pin axle bed buckle to be connected, sealed lid and protective cover lower surface buckle swing joint, sealed lid center is provided with observation glass, and observation glass lower surface mounting has the sealing ring, and sealed lid one side is provided with fixed ear seat respectively, and protective cover one side is provided with the spacing groove with anti-jamming mechanism one side looks adaptation.
Further, the mechanical water meter body comprises a filter screen, a fixed base, an impeller, a transmission gear, a gear disc and a display panel, wherein the upper surface of the filter screen is connected with the fixed base in an embedded mode, the center of the upper surface of the fixed base is rotatably connected with the center of the lower end of the impeller through a pin shaft, the center of the upper surface of the impeller is in interference connection with the lower end of a transmission shaft, the upper end of the transmission shaft is in interference connection with the transmission gear, a through hole matched with the transmission gear is formed in the center of the lower surface of the gear disc, and the upper surface of the gear disc is fixedly connected with the display panel through a connecting rod.
Furthermore, the surface of the filter screen is respectively provided with uniformly distributed filter holes, the side wall of the fixed base is respectively provided with uniformly distributed permeable grooves, the lower surface of the gear plate is provided with a sealing sleeve, the sealing sleeve covers the gear plate and the display panel inside the sealing sleeve, and the upper surface of the sealing sleeve is tightly connected with the upper cover.
Furthermore, a digital display port, a gear table and an indicating gear are respectively arranged on the upper surface of the display panel, gears are arranged in the gear disc and respectively correspond to the gear table and the indicating gear, a synchronous induction pointer is arranged at the center of the upper surface of the gear table, and the indicating gear and the impeller synchronously rotate.
Further, anti-interference mechanism includes fixed quick-witted case, no magnetism sensor and singlechip, and no magnetism sensor and singlechip are installed respectively to fixed quick-witted case upper surface, and no magnetism sensor one side and singlechip fixed connection do not have magnetism sensor setting in synchronous induction pointer upper end, and fixed quick-witted case one side is provided with the connection ear seat, and connection ear seat one side is provided with the bolt hole, and the connection ear seat passes through bolt hole and fixed bolt pin meshing.
Furthermore, a sensing seat matched with the non-magnetic sensor is arranged on one side of the fixed case, the sensing seat is connected with one side of the upper surface of the upper cover in a buckling mode, and the connecting lug seat is fixedly connected with one side of the upper cover through a fixing bolt pin.
Furthermore, a coil inductor corresponding to the gear meter is arranged on the lower surface of the non-magnetic sensor, a metering communication module, a coil inductor receiving module, a logic processing module and a pulse counting signal sending module are arranged in the single chip microcomputer, the input end of the logic processing module is electrically connected with the output end of the coil inductor receiving module, the output end of the logic processing module is electrically connected with the input end of the pulse counting signal sending module, the output end of the pulse counting signal sending module is electrically connected with the input end of the metering communication module, and the input end of the coil inductor receiving module is electrically connected with the output end of the non-magnetic sensor.
The invention provides another technical scheme, and a protection method of a water meter with strengthened anti-interference capability comprises the following steps:
the method comprises the following steps: installing a water meter in the anti-interference box, wherein a water inlet pipe and a water outlet pipe respectively penetrate through a water pipe connecting hole, and a water inlet and a water outlet at two ends of the water meter are respectively and fixedly connected with the water inlet pipe and the water outlet pipe;
step two: the water flow passes through the filter screen and the fixed base to drive the inner impeller to rotate so as to drive the synchronous induction pointer on the upper surface of the display panel to rotate, the singlechip detects the change of the inductance of the coil of the non-magnetic sensor so as to obtain the reading of the water meter, and the data is uploaded through the metering communication module;
step three: the anti-interference ability of the water meter is enhanced through the anti-interference box, the detection accuracy of the non-magnetic sensor is guaranteed, the instability of the non-magnetic sensor and the single chip microcomputer caused by external factors is avoided, the anti-frequency-change interference protection effect is achieved, and the measurement precision is improved.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the water meter with the strengthened anti-interference capability and the protection method thereof, the anti-interference effect is further achieved on the water meter through the anti-interference box, the detection accuracy of a non-magnetic sensor is guaranteed, the anti-frequency-change interference protection effect is achieved, the measurement accuracy is improved, the movable clamping seat is matched with the fixed clamping seat to fix the water meter, the fixing stability of the water meter is guaranteed, the water meter is suitable for water meters of different sizes, the use flexibility of the anti-interference box is improved, the application range is expanded, the water meter is protected, the water meter is prevented from being impacted or interfered by dust and water stains, the service life of the water meter is effectively prolonged, and the anti-impact performance and the waterproof and dustproof performance of the water meter are improved.
2. According to the water meter with the strengthened anti-interference capability and the protection method thereof, water flow passes through the filter screen and the fixed base to drive the inner impeller to rotate, so that the transmission gear drives the gear in the gear disc to rotate, the digital display port on the surface of the display panel and the gear meter synchronously rotate, the metering precision is high, the energy consumption is low, the service life is long, and the production cost is greatly reduced.
3. When the synchronous induction pointer rotates, the metal eddy effect is utilized, the change of the coil inductance of the synchronous induction pointer is respectively induced by the non-magnetic sensor and is transmitted to the single chip microcomputer, the single chip microcomputer carries out logic processing by detecting the change of the coil inductance of the non-magnetic sensor, a logic processing module carries out logic processing to generate a pulse counting signal, a pulse counting signal sending module sends data to a metering communication module, the metering communication module uploads the obtained reading of the water meter, the metering precision is high, the data transmission is fast, remote real-time monitoring is realized, the intelligent level is greatly improved, an anti-interference mechanism and an upper cover are detachably mounted, the mounting and maintenance are convenient, and the anti-interference performance is strong.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a cross-sectional perspective view of the tamper resistant case structure of the present invention;
fig. 3 is a perspective view of the water meter of the present invention;
FIG. 4 is a partially exploded perspective view of the water meter of the present invention;
figure 5 is an exploded perspective view of the mechanical water meter body of the present invention;
FIG. 6 is an exploded perspective view of the upper cover of the present invention;
FIG. 7 is an exploded perspective view of the anti-jamming mechanism of the present invention;
fig. 8 is a schematic diagram of a single chip microcomputer module of the invention.
In the figure: 1. an anti-interference box; 11. a water pipe connecting hole; 12. repairing the door; 13. a card slot; 14. fixing the card holder; 15. a movable card holder; 16. an elastic stay bar; 17. a spring; 2. a water meter; 21. an outer housing; 22. an upper cover; 221. a sealing cover; 222. a protective cover; 223. a pin shaft seat; 224. a fixing pin; 225. observing glass; 226. a seal ring; 227. fixing the ear seat; 228. a limiting groove; 23. an anti-interference mechanism; 231. fixing the case; 232. a non-magnetic sensor; 233. a single chip microcomputer; 2331. a metering communication module; 2332. a coil inductance receiving module; 2333. a logic processing module; 2334. a pulse counting signal sending module; 234. connecting the ear seat; 235. fixing a bolt pin; 236. an induction seat; 24. a mechanical water meter body; 241. a filter screen; 242. a fixed base; 243. an impeller; 244. a transmission gear; 245. a gear plate; 246. a display panel; 2461. a digital display port; 2462. a gear meter; 2463. an indicator gear; 2464. synchronously sensing a pointer; 247. a drive shaft; 248. a filtration pore; 249. a water permeable tank; 25. a water outlet; 26. a water inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a water meter with enhanced anti-interference capability comprises an anti-interference box 1 and a water meter 2, wherein two ends of the anti-interference box 1 are respectively provided with a water pipe connecting hole 11, the upper surface of the anti-interference box 1 is respectively connected with a maintenance door 12 through hinges in an opening and closing manner, one side of the anti-interference box 1 is provided with an opening matched with the maintenance door 12, one side of the lower end of the opening is provided with a clamping groove 13, the water meter 2 is installed in the anti-interference box 1, one side of the lower surface of the inner wall of the anti-interference box 1 is fixedly connected with a fixed clamping seat 14 through bolts, the other side of the fixed clamping seat 14 is provided with a movable clamping seat 15, the movable clamping seat 15 is symmetrically arranged with the fixed clamping seat 14, one side of the movable clamping seat 15 is fixedly connected with one end of an elastic support rod 16, the elastic support rod 16 is sleeved with a spring 17, and the other end of the elastic support rod 16 is fixedly connected with one side of the inner wall of the anti-interference box 1, the inner walls of the fixed clamping seat 14 and the movable clamping seat 15 are connected with the lower end of the water meter 2 in a buckling mode, an anti-interference effect is further achieved on the water meter 2 through the anti-interference box 1, the detection accuracy of the non-magnetic sensor 232 is guaranteed, the anti-frequency-change interference protection effect is achieved, the measurement accuracy is improved, the movable clamping seat 15 is matched with the fixed clamping seat 14 to fix the water meter 2, the fixing stability of the water meter 2 is guaranteed, the anti-interference box is suitable for the water meters 2 of different sizes, the use flexibility of the anti-interference box 1 is improved, the application range is expanded, meanwhile, the water meter 2 is protected, the water meter 2 is prevented from being impacted or being interfered by dust and water stains, the service life of the water meter 2 is effectively prolonged, and the anti-impact performance and the waterproof and dustproof performance of the water meter 2 are improved;
referring to fig. 3-6, the water meter 2 includes an outer casing 21, an upper cover 22 and an anti-interference mechanism 23, wherein one end of the outer casing 21 is provided with a water inlet 26, the other end of the outer casing 21 is provided with a water outlet 25, the upper surface of the outer casing 21 is provided with an external thread, the inner wall of the upper cover 22 is provided with an internal thread adapted to the external thread, the upper cover 22 is engaged with the outer casing 21 through the internal thread, one side of the upper cover 22 is provided with the anti-interference mechanism 23, the outer casing 21 is internally provided with a mechanical water meter body 24, the lower surface of the upper cover 22 is in contact with the upper surface of the mechanical water meter body 24, the upper cover 22 includes a sealing cover 221 and a protecting cover 222, one side of the upper surface of the sealing cover 221 is respectively provided with a pin seat 223, one side of the protecting cover 222 is provided with a fixing pin 224, the fixing pin 224 is rotatably connected with the pin seat 223, the sealing cover 221 is movably connected with the lower surface of the protecting cover 222, the center of the sealing cover 221 is provided with an observation glass 225, and the lower surface of the observation glass 225 is provided with a sealing ring 226, one side of the sealing cover 221 is respectively provided with a fixing lug 227, one side of the protective cover 222 is provided with a limit groove 228 matched with one side of the anti-interference mechanism 23, the mechanical water meter body 24 comprises a filter screen 241, a fixing base 242, an impeller 243, a transmission gear 244, a gear disc 245 and a display panel 246, the upper surface of the filter screen 241 is nested and connected with the fixing base 242, the center of the upper surface of the fixing base 242 is rotatably connected with the center of the lower end of the impeller 243 through a pin shaft, the center of the upper surface of the impeller 243 is in interference connection with the lower end of a transmission shaft 247, the upper end of the transmission shaft 247 is in interference connection with the transmission gear 244, the center of the lower surface of the gear disc 245 is provided with a through hole matched with the transmission gear 244, the upper surface of the gear disc 245 is fixedly connected with the display panel 246 through a connecting rod, the surface of the filter screen 241 is respectively provided with uniformly distributed filter holes 248, the side wall of the fixing base 242 is respectively provided with uniformly distributed water permeable grooves 249, the lower surface of the gear disc 245 is provided with a sealing sleeve which covers the gear disc 245 and the display panel 246 inside, the upper surface of the sealing sleeve is tightly connected with the upper cover 22, the upper surface of the display panel 246 is respectively provided with a digital display port 2461, a gear meter 2462 and an indication gear 2463, a gear is arranged in the gear disc 245 and corresponds to the gear meter 2462 and the indication gear 2463 respectively, the center of the upper surface of the gear meter 2462 is provided with a synchronous induction pointer 2464, the indication gear 2463 and an impeller 243 rotate synchronously, water flows through the filter screen 241 and the fixed base 242 to drive the inner impeller 243 to rotate, so that the transmission gear 244 drives the gear in the gear disc 245 to rotate, the digital display port 2461 and the gear meter 2462 on the surface of the display panel 246 rotate synchronously, the metering precision is high, the energy consumption is low, the service life is long, the production cost is greatly reduced, the anti-interference mechanism 23 and the upper cover 22 are detachably mounted, the installation and maintenance are convenient, and the anti-interference performance is strong;
referring to fig. 7-8, the anti-jamming mechanism 23 includes a fixed chassis 231, a non-magnetic sensor 232 and a single chip microcomputer 233, the non-magnetic sensor 232 and the single chip microcomputer 233 are respectively mounted on the upper surface of the fixed chassis 231, one side of the non-magnetic sensor 232 is fixedly connected to the single chip microcomputer 233, the non-magnetic sensor 232 is disposed at the upper end of the synchronous sensing pointer 2464, one side of the fixed chassis 231 is provided with a connecting ear seat 234, one side of the connecting ear seat 234 is provided with a bolt hole, the connecting ear seat 234 is engaged with a fixed bolt pin 235 through the bolt hole, one side of the fixed chassis 231 is provided with a sensing seat 236 adapted to the non-magnetic sensor 232, the sensing seat 236 is connected to one side of the upper surface of the upper cover 22 in a snap-fit manner, the connecting ear seat 234 is fixedly connected to one side of the upper cover 22 through the fixed bolt pin 235, the lower surface of the non-magnetic sensor 232 is provided with a coil inductor corresponding to the gear table 2462, the single chip microcomputer 233 is provided with a metering communication module 2331, a coil inductor receiving module 2332, a logic processing module 2333 and a pulse counting signal transmitting module 2334, the input end of the logic processing module 2333 is electrically connected with the output end of the coil inductance receiving module 2332, the output end of the logic processing module 2333 is electrically connected with the input end of the pulse counting signal sending module 2334, the output end of the pulse counting signal sending module 2334 is electrically connected with the input end of the metering communication module 2331, the input end of the coil inductance receiving module 2332 is electrically connected with the output end of the nonmagnetic sensor 232, when the synchronous induction pointer 2464 rotates, the change of the coil inductance of the synchronous induction pointer 2464 is respectively induced by the nonmagnetic sensor 232 by utilizing the metal eddy current effect and the signal is transmitted to the single chip microcomputer 233, the single chip microcomputer 233 carries out logic processing by detecting the change of the coil inductance of the nonmagnetic sensor 232, the logic processing module 2333 generates a pulse counting signal, the pulse counting signal sending module 2334 sends the data to the metering communication module 2331, the metering communication module 2331 uploads the obtained water meter reading, so that the metering precision is high, the data transmission is fast, the remote real-time monitoring is realized, and the intelligent level is greatly improved.
A protection method of a water meter with strengthened anti-interference capability comprises the following steps:
the method comprises the following steps: the water meter 2 is arranged in the anti-interference box 1, the water inlet pipe and the water outlet pipe respectively penetrate through the water pipe connecting hole 11, the water inlet 26 and the water outlet 25 at the two ends of the water meter 2 are respectively and fixedly connected with the water inlet pipe and the water outlet pipe,
step two: the water flow passes through the filter screen 241 and the fixed base 242 to drive the inner impeller 243 to rotate, so as to drive the synchronous induction pointer 2464 on the upper surface of the display panel 246 to rotate, the single chip microcomputer 233 obtains the reading of the water meter 2 by detecting the change of the inductance of the coil of the non-magnetic sensor 232, and the data is uploaded through the metering communication module 2331;
step three: the anti-interference ability of the water meter 2 is enhanced through the anti-interference box 1, the detection accuracy of the non-magnetic sensor 232 is guaranteed, the instability of the non-magnetic sensor 232 and the single chip microcomputer 233 caused by external factors is avoided, the anti-frequency-change interference protection effect is achieved, and the measurement precision is improved.
In conclusion, the water meter with the strengthened anti-interference capability and the protection method thereof have the advantages that the anti-interference effect is further achieved on the water meter 2 through the anti-interference box 1, the detection accuracy of the non-magnetic sensor 232 is ensured, the anti-frequency-change interference protection effect is achieved, the measurement accuracy is improved, the movable clamping seat 15 is matched with the fixed clamping seat 14 to fix the water meter 2, the stability of fixing the water meter 2 is ensured, the water meter is suitable for the water meters 2 with different sizes, the use flexibility of the anti-interference box 1 is improved, the application range is expanded, the water meter 2 is protected, the water meter 2 is prevented from being impacted or interfered by dust and water stains, the service life of the water meter 2 is effectively prolonged, the anti-impact performance and the waterproof and dustproof performance of the water meter 2 are improved, water flow drives the inner impeller 243 to rotate through the filter screen 241 and the fixed base 242, so that the transmission gear 244 drives the gears in the gear disc 245 to rotate, the digital display port 2461 and the gear meter 2462 on the surface of the display panel 246 rotate synchronously, the metering precision is high, the energy consumption is low, the service life is long, the production cost is greatly reduced, the anti-interference mechanism 23 and the upper cover 22 are detachably mounted, the installation and maintenance are convenient, the anti-interference performance is strong, when the synchronous induction pointer 2464 rotates, the change of the coil inductance of the synchronous induction pointer 2464 is respectively induced by the non-magnetic sensor 232 by utilizing the metal eddy current effect, and the signal is transmitted to the single chip microcomputer 233, the single chip microcomputer 233 carries out logic processing by detecting the change of the coil inductance of the non-magnetic sensor 232 and the logic processing module 2333 to generate a pulse counting signal, the pulse counting signal sending module 2334 sends the data to the metering communication module 2331, the metering communication module 2331 uploads the obtained water meter reading data, the metering precision is high, the data transmission is fast, and the remote real-time monitoring greatly improves the intelligent level.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. The utility model provides a water gauge with reinforce interference killing feature, includes anti-interference case (1) and water gauge (2), its characterized in that: the water pipe connecting holes (11) are respectively formed in two ends of the anti-interference box (1), the upper surface of the anti-interference box (1) is connected with the maintenance door (12) in an opening and closing mode through hinges respectively, an opening matched with the maintenance door (12) is formed in one side of the anti-interference box (1), a clamping groove (13) is formed in one side of the lower end of the opening, the water meter (2) is installed in the anti-interference box (1), one side of the lower surface of the inner wall of the anti-interference box (1) is fixedly connected with the fixed clamping seat (14) through bolts, a movable clamping seat (15) is arranged on the other side of the fixed clamping seat (14), the movable clamping seat (15) is symmetrically arranged with the fixed clamping seat (14), one side of the movable clamping seat (15) is fixedly connected with one end of the elastic supporting rod (16), a spring (17) is sleeved on the elastic supporting rod (16), the other end of the elastic supporting rod (16) is fixedly connected with one side of the inner wall of the anti-interference box (1), and the inner walls of the fixed clamping seat (14) and the movable clamping seat (15) are connected with the lower end of the water meter (2) in a buckling mode; the water meter (2) comprises an outer shell (21), an upper cover (22) and an anti-interference mechanism (23), wherein a water inlet (26) is formed in one end of the outer shell (21), a water outlet (25) is formed in the other end of the outer shell (21), external threads are formed in the upper surface of the outer shell (21), matched internal threads are formed in the inner wall of the upper cover (22), the upper cover (22) is meshed with the outer shell (21) through the internal threads, the anti-interference mechanism (23) is installed on one side of the upper cover (22), a mechanical water meter body (24) is installed in the outer shell (21), and the lower surface of the upper cover (22) is in contact with the upper surface of the mechanical water meter body (24); the upper cover (22) comprises a sealing cover (221) and a protective cover (222), a pin shaft seat (223) is arranged on one side of the upper surface of the sealing cover (221), a fixing pin (224) is arranged on one side of the protective cover (222), the fixing pin (224) is in buckle rotary connection with the pin shaft seat (223), the sealing cover (221) is in buckle movable connection with the lower surface of the protective cover (222), observation glass (225) is arranged in the center of the sealing cover (221), a sealing ring (226) is arranged on the lower surface of the observation glass (225), a fixing lug seat (227) is arranged on one side of the sealing cover (221), and a limiting groove (228) matched with one side of the anti-interference mechanism (23) is arranged on one side of the protective cover (222); the mechanical water meter body (24) comprises a filter screen (241), a fixing base (242), an impeller (243), a transmission gear (244), a gear disc (245) and a display panel (246), wherein the upper surface of the filter screen (241) is connected with the fixing base (242) in a nested manner, the center of the upper surface of the fixing base (242) is rotatably connected with the center of the lower end of the impeller (243) through a pin shaft, the center of the upper surface of the impeller (243) is in interference connection with the lower end of a transmission shaft (247), the upper end of the transmission shaft (247) is in interference connection with the transmission gear (244), a through hole matched with the transmission gear (244) is formed in the center of the lower surface of the gear disc (245), and the upper surface of the gear disc (245) is fixedly connected with the display panel (246) through a connecting rod; the surface of the filter screen (241) is respectively provided with uniformly distributed filter holes (248), the side wall of the fixed base (242) is respectively provided with uniformly distributed water permeable grooves (249), the lower surface of the gear disc (245) is provided with a sealing sleeve, the sealing sleeve covers the gear disc (245) and the display panel (246) in the sealing sleeve, and the upper surface of the sealing sleeve is tightly connected with the upper cover (22); the upper surface of the display panel (246) is respectively provided with a digital display port (2461), a gear meter (2462) and an indication gear (2463), a gear is installed in the gear disk (245), the gear corresponds to the gear meter (2462) and the indication gear (2463), the center of the upper surface of the gear meter (2462) is provided with a synchronous induction pointer (2464), and the indication gear (2463) and the impeller (243) rotate synchronously.
2. A water meter with enhanced interference rejection capability as recited in claim 1, wherein: anti-interference mechanism (23) are including fixed quick-witted case (231), no magnetism sensor (232) and singlechip (233) are installed respectively to fixed quick-witted case (231) upper surface, no magnetism sensor (232) one side and singlechip (233) fixed connection, no magnetism sensor (232) set up in synchronous response pointer (2464) upper end, fixed machine case (231) one side is provided with connecting lug seat (234), connecting lug seat (234) one side is provided with the bolt hole, connecting lug seat (234) pass through bolt hole and fixed bolt round pin (235) meshing.
3. A water meter with enhanced interference rejection capability as recited in claim 2, wherein: an induction seat (236) matched with the non-magnetic sensor (232) is arranged on one side of the fixed case (231), the induction seat (236) is connected with one side of the upper surface of the upper cover (22) in a buckling mode, and the connecting lug seat (234) is fixedly connected with one side of the upper cover (22) through a fixing bolt pin (235).
4. A water meter with enhanced interference rejection capability as recited in claim 3, wherein: the lower surface of the nonmagnetic sensor (232) is provided with a coil inductor corresponding to the gear meter (2462), the single chip microcomputer (233) is internally provided with a metering communication module (2331), a coil inductor receiving module (2332), a logic processing module (2333) and a pulse counting signal sending module (2334), the input end of the logic processing module (2333) is electrically connected with the output end of the coil inductor receiving module (2332), the output end of the logic processing module (2333) is electrically connected with the input end of the pulse counting signal sending module (2334), the output end of the pulse counting signal sending module (2334) is electrically connected with the input end of the metering communication module (2331), and the input end of the coil inductor receiving module (2332) is electrically connected with the output end of the nonmagnetic sensor (232).
5. A method of protecting a water meter having enhanced tamper resistance as recited in any one of claims 1-4, wherein: the method comprises the following steps:
the method comprises the following steps: the water meter (2) is arranged in the anti-interference box (1), a water inlet pipe and a water outlet pipe respectively penetrate through a water pipe connecting hole (11), and a water inlet (26) and a water outlet (25) at two ends of the water meter (2) are respectively and fixedly connected with the water inlet pipe and the water outlet pipe;
step two: the water flow passes through the filter screen (241) and the fixed base (242) to drive the inner impeller (243) to rotate, so that the synchronous induction pointer (2464) on the upper surface of the display panel (246) is driven to rotate, the single chip microcomputer (233) obtains the reading of the water meter (2) by detecting the change of the inductance of the coil of the non-magnetic sensor (232), and the data is uploaded through the metering communication module (2331);
step three: the anti-interference ability of the water meter (2) is enhanced through the anti-interference box (1), the detection accuracy of the non-magnetic sensor (232) is guaranteed, the instability of the non-magnetic sensor (232) and the single chip microcomputer (233) caused by external factors is avoided, the anti-frequency-change interference protection effect is achieved, and the measurement precision is improved.
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| JP2013092493A (en) * | 2011-10-27 | 2013-05-16 | Kashiwabara Keiki Kogyo Kk | Hybrid water meter |
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| CN114459560A (en) | 2022-05-10 |
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