CN114720651A - Water meter water quality detection system - Google Patents
Water meter water quality detection system Download PDFInfo
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- CN114720651A CN114720651A CN202210360481.1A CN202210360481A CN114720651A CN 114720651 A CN114720651 A CN 114720651A CN 202210360481 A CN202210360481 A CN 202210360481A CN 114720651 A CN114720651 A CN 114720651A
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- water
- fixedly connected
- water quality
- shell
- quality detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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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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- 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
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention discloses a water meter water quality detection system, which adopts the technical scheme that: the water meter comprises a water meter body, wherein a connecting shell is fixedly arranged on one side of the water meter body, a turbidity meter is fixedly arranged in the connecting shell, a fixed shell is fixedly arranged in the connecting shell, and a water quality detection mechanism is arranged in the fixed shell; water quality testing mechanism includes the processing assembly, and the processing assembly includes the sleeve pipe of intaking, and the fixed set casing of locating of the sleeve pipe of intaking is inside, and the outside bearing housing that passes through of the sleeve pipe of intaking is equipped with the second gear, the inside fixed motor that is equipped with of set casing, motor output end fixedly connected with transmission shaft, transmission shaft one end is passed through the bearing with the set casing top and is connected, and the fixed cover in transmission shaft outside is equipped with first gear, and a water gauge water quality testing system beneficial effect is: the water quality detection has timeliness, can detect at any time or at regular time, discover the water condition in time, conveniently detect the water quality, improve the water quality detection efficiency, and reduce the cost consumption of manpower and material resources detection.
Description
Technical Field
The invention relates to the technical field of water meter water quality detection, in particular to a water meter water quality detection system.
Background
The water meter is an instrument for measuring water flow, mostly is an accumulated flow measurement of water, generally is divided into a positive displacement water meter and a speed water meter, and originates from the uk, the development of the water meter has a history of nearly two hundred years, when the specification of the water meter is selected, the size and the flow range of the used flow under the normal condition are firstly estimated, and then the water meter with the specification of which the common flow is closest to the value is selected as a first choice.
The existing water quality detection method generally comprises the steps of sampling a sample, and detecting turbidity and pH in a laboratory, wherein an important defect of a detection process is hysteresis, the detection is usually carried out when the quality of water is obviously not up to the standard, a water meter generally only has a water body metering function and cannot detect water body pollution, and because abnormal conditions of the water body are not found in time, a lot of adverse consequences are caused to the health of people, and a large amount of manpower and material resources are consumed to detect the water quality.
Disclosure of Invention
Therefore, the invention provides a water meter water quality detection system, which aims to solve the problems that the hysteresis of a detection process is usually detected when the water quality is obviously not up to the standard, a water meter generally only has a water body metering function and cannot detect water body pollution, the abnormal conditions of the water body are not found in time, a plurality of adverse effects are caused to the health of people, and a large amount of manpower and material resources are consumed to detect the water quality.
In order to achieve the above purpose, the invention provides the following technical scheme: a water meter water quality detection system comprises a water meter body, wherein a connecting shell is fixedly arranged on one side of the water meter body, a turbidity meter is fixedly arranged in the connecting shell, a fixed shell is fixedly arranged in the connecting shell, and a water quality detection mechanism is arranged in the fixed shell;
the water quality detection mechanism comprises a treatment assembly, the treatment assembly comprises a water inlet sleeve, the water inlet sleeve is fixedly arranged inside a fixed shell, a second gear is sleeved outside the water inlet sleeve through a bearing, a motor is fixedly arranged inside the fixed shell, the output end of the motor is fixedly connected with a transmission shaft, one end of the transmission shaft is connected with the top of the fixed shell through a bearing, a first gear is fixedly sleeved outside the transmission shaft and meshed with the second gear, a fixed rod is fixedly connected to the bottom of the second gear, a connecting frame is fixedly connected to the bottom of the fixed rod, a pulley is connected to the inner side of the connecting frame through a bearing, a guide sleeve is arranged at the bottom of the second gear, a chute is formed in the top of the guide sleeve and is contacted with the pulley, four slide bars are fixedly connected to the bottom of the guide sleeve, and all the four slide bars penetrate through the bottom of the fixed shell, the four sliding rods are sleeved with springs, the bottoms of the four sliding rods are fixedly connected with inner linings, the tops of the inner linings are in contact with the bottom of the fixed shell, bottom sleeve plates are fixedly arranged on the inner sides of the inner linings, plungers are fixedly connected to the tops of the bottom sleeve plates, and the tops of the plungers extend into the interior of the water inlet sleeve and are in contact with the side walls of the water inlet sleeve.
Preferably, a plurality of through-holes have been seted up at bottom lagging top, a plurality of sealed posts of bottom lagging top fixedly connected with, bottom lagging top is equipped with the top lagging, the fixed connecting plate that is equipped with in top lagging top, connecting plate top and solid fixed casing bottom fixed connection, a plurality of logical grooves have been seted up to top lagging one side, and is a plurality of it is equipped with the filter plate all to inlay to lead to groove one side.
Preferably, the bottom of the fixed shell is fixedly connected with a housing, the housing is arranged outside the inner bushing, a PH detector is fixedly arranged inside the housing, the bottom of the housing is fixedly connected with a second pump, the output end of the second pump is fixedly connected with a first connecting pipe, and the first connecting pipe penetrates through the plunger.
Preferably, the plunger is externally sleeved with a sealing ring.
Preferably, the housing bottom fixedly connected with first pump machine, first pump machine input end fixedly connected with second connecting pipe, second connecting pipe one end extends into inside the housing, the second connecting pipe runs through the plunger, first pump machine other end fixedly connected with blow off pipe, the blow off pipe runs through and connects the shell.
Preferably, the top of the connecting shell is fixedly connected with an electric valve, one end of the electric valve is fixedly connected with a water inlet pipe, and the water inlet pipe is fixedly connected with the water meter body.
Preferably, a communication module and a data processor module are respectively and fixedly arranged in the connecting shell, and the communication module and the data processor module are arranged at the bottom of the fixed shell.
Preferably, the output end of the data processor module is electrically connected with the input ends of the electric valve, the second pump, the first pump and the motor respectively, the output end of the data processor module is electrically connected with the input end of the communication module, and the input end of the data processor module is electrically connected with the output ends of the turbidity meter and the pH detector respectively.
The embodiment of the invention has the following advantages:
1. the turbidity of the water quality is detected through the turbidity meter, the detected signal data is sent to the data processor module, the PH detection is carried out through the PH detector, the PH detection value is sent to the data processor module, and after the water quality data are collected, the water quality data are sent to a water supply company through the communication module;
2. outside cover of plunger through the processing assembly is equipped with the sealing washer, the sealing washer has sealed effect, move down and promote the bush through the slide bar and remove, make the bush promote the bottom lagging and move down, and the plunger moves down, the water in the connection shell enters into top lagging top through the sleeve that intakes this moment, and filter through the filter plate at top lagging top, water after the filtration falls into in the housing, and impurity can be handled together and arrange away through the blow off pipe on the lagging of top, conveniently carry out the detection of quality of water, improve water quality testing efficiency, reduce the cost consumption that manpower and materials detected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a cross-sectional view of a coupling housing provided in accordance with the present invention;
FIG. 3 is a cross-sectional view of a stationary housing provided by the present invention;
FIG. 4 is a perspective view of a processing assembly provided by the present invention;
FIG. 5 is a perspective view of a plunger provided in accordance with the present invention;
FIG. 6 is a perspective view of a top strap provided by the present invention;
FIG. 7 is a perspective view of a bottom deck provided by the present invention;
FIG. 8 is an enlarged view of the portion A of FIG. 3 according to the present invention;
fig. 9 is a structural diagram of a water quality detecting system provided by the present invention.
In the figure: the water meter comprises a water meter body 1, a connecting shell 2, an electric valve 3, a water inlet pipe 4, a turbidity meter 5, a fixing shell 6, a communication module 7, a data processor module 8, a cover shell 9, a first pump 10, a transmission shaft 11, a first gear 12, a fixing rod 13, a motor 14, a water inlet sleeve 15, a second gear 16, a guide sleeve 17, a sliding groove 18, a connecting frame 19, a pulley 20, a spring 21, a sliding rod 22, an inner bushing 23, a plunger 24, a sealing ring 25, a top sleeve plate 26, a filter plate 27, a bottom sleeve plate 28, a first connecting pipe 29, a pH detector 30, a second pump 31, a second connecting pipe 32, a through hole 33, a sealing column 34, a through groove 35 and a drain pipe 36.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 the attached drawings 1-9, the water meter water quality detection system provided by the invention comprises a water meter body 1, wherein a connecting shell 2 is fixedly arranged on one side of the water meter body 1, a turbidity meter 5 is fixedly arranged inside the connecting shell 2, a fixed shell 6 is fixedly arranged inside the connecting shell 2, and a water quality detection mechanism is arranged inside the fixed shell 6;
the water quality detection mechanism comprises a treatment assembly, the treatment assembly comprises a water inlet sleeve 15, the water inlet sleeve 15 is fixedly arranged inside a fixed shell 6, a second gear 16 is sleeved outside the water inlet sleeve 15 through a bearing sleeve, a motor 14 is fixedly arranged inside the fixed shell 6, the output end of the motor 14 is fixedly connected with a transmission shaft 11, one end of the transmission shaft 11 is connected with the top of the fixed shell 6 through a bearing, a first gear 12 is fixedly sleeved outside the transmission shaft 11, the first gear 12 is meshed with the second gear 16, a fixed rod 13 is fixedly connected at the bottom of the second gear 16, a connecting frame 19 is fixedly connected at the bottom of the fixed rod 13, a pulley 20 is connected to the inner side of the connecting frame 19 through a bearing, a guide sleeve 17 is arranged at the bottom of the second gear 16, a sliding groove 18 is formed in the top of the guide sleeve 17, and the sliding groove 18 is in contact with the pulley 20, the bottom of the guide sleeve 17 is fixedly connected with four slide bars 22, the four slide bars 22 all penetrate through the bottom of the fixed shell 6, the spring 21 is sleeved outside the four slide bars 22, the bottoms of the four slide bars 22 are fixedly connected with an inner bushing 23, the top of the inner bushing 23 is contacted with the bottom of the fixed shell 6, the inner side of the inner bushing 23 is fixedly provided with a bottom sleeve plate 28, the top of the bottom sleeve plate 28 is fixedly connected with a plunger 24, the top of the plunger 24 extends into the water inlet sleeve 15 and is contacted with the side wall of the water inlet sleeve 15, the top of the bottom sleeve plate 28 is provided with a plurality of through holes 33, the top of the bottom sleeve plate 28 is fixedly connected with a plurality of sealing columns 34, the top of the bottom sleeve plate 28 is provided with a top sleeve plate 26, the top of the top sleeve plate 26 is fixedly provided with a connecting plate, the top of the connecting plate is fixedly connected with the bottom of the fixed shell 6, and one side of the top sleeve plate 26 is provided with a plurality of through grooves 35, filter plates 27 are fixedly embedded in one sides of the through grooves 35;
in this embodiment, the motor 14 is started and drives the transmission shaft 11 to rotate, the transmission shaft 11 rotates and drives the first gear 12 to rotate, the first gear 12 rotates and drives the second gear 16 to rotate, the second gear 16 rotates and drives the fixed rod 13 to rotate, the fixed rod 13 rotates and drives the connecting frame 19 to rotate, so that the connecting frame 19 drives the pulley 20 to rotate, the pulley 20 rolls on the chute 18, the guide sleeve 17 rolls and pushes the guide sleeve 17 to move downwards, the guide sleeve 17 moves downwards and pushes the slide rod 22 to move downwards, the spring 21 compresses, the slide rod 22 moves downwards and pushes the inner bushing 23 to move, so that the inner bushing 23 pushes the bottom sleeve plate 28 to move downwards, the sealing column 34 at the top of the bottom sleeve plate 28 is separated from the through groove 35 at the top of the top sleeve plate 26, at this time, water in the connecting shell 2 enters the top sleeve plate 26 through the water inlet sleeve 15 and is filtered through the filter plate 27 at the top of the top sleeve plate 26, the filtered water falls into the housing 9.
Wherein, in order to realize the purpose of water quality testing, this device adopts following technical scheme to realize: the bottom of the fixed shell 6 is fixedly connected with a housing 9, the housing 9 is arranged outside the inner bushing 23, the housing 9 is internally and fixedly provided with a PH detector 30, the bottom of the housing 9 is fixedly connected with a second pump 31, the output end of the second pump 31 is fixedly connected with a first connecting pipe 29, the first connecting pipe 29 penetrates through the plunger 24, the bottom of the housing 9 is fixedly connected with a first pump 10, the input end of the first pump 10 is fixedly connected with a second connecting pipe 32, one end of the second connecting pipe 32 extends into the housing 9, the second connecting pipe 32 penetrates through the plunger 24, the other end of the first pump 10 is fixedly connected with a sewage pipe 36, the sewage pipe 36 penetrates through the connecting shell 2, the inside of the connecting shell 2 is respectively and fixedly provided with a communication module 7 and a data processor module 8, the communication module 7 and the data processor module 8 are arranged at the bottom of the fixed shell 6, the output end of the data processor module 8 is electrically connected with the input ends of the electric valve 3, the second pump 31, the first pump 10 and the motor 14 respectively, the output end of the data processor module 8 is electrically connected with the input end of the communication module 7, the input end of the data processor module 8 is electrically connected with the output ends of the turbidity meter 5 and the PH detector 30 respectively, the turbidity meter 5 inside the connecting shell 2 detects the turbidity of water quality and sends the detected signal data to the data processor module 8, the PH detector 30 detects PH, the PH detected value is sent to the data processor module 8, and after the water quality data are collected, the data are sent to a water supply company through the communication module 7;
wherein, in order to realize the purpose of sealing, this device adopts following technical scheme to realize: a sealing ring 25 is sleeved outside the plunger 24, and the sealing ring 25 has a sealing function;
wherein, in order to realize the purpose of water delivery, this device adopts following technical scheme to realize: 2 top fixedly connected with motorised valve 3 of connection shell, 3 one end fixedly connected with inlet tube 4 of motorised valve, inlet tube 4 and 1 fixed connection of water gauge body, water passes through inlet tube 4 and gets into in water gauge body 1, when needing to carry out water quality testing when getting into, and the timing program control motorised valve 3 through the setting of data processor module 8 starts, makes motorised valve 3 will get into the water in the inlet tube 4 and carry in the connection shell 2.
The using process of the invention is as follows: when the invention is used, water enters the water meter body 1 through the water inlet pipe 4, when water quality detection is needed during entering, the electric valve 3 is controlled to be started through a timing program arranged in the data processor module 8, so that the electric valve 3 conveys the water entering the water inlet pipe 4 into the connecting shell 2, the turbidity meter 5 in the connecting shell 2 detects the turbidity of the water quality and sends detected signal data to the data processor module 8, when PH value detection is needed, because impurities need to be filtered during the PH value detection, the detection accuracy is not influenced, the motor 14 is started and drives the transmission shaft 11 to rotate, the transmission shaft 11 rotates and drives the first gear 12 to rotate, the first gear 12 rotates and drives the second gear 16 to rotate, the second gear 16 rotates and drives the fixed rod 13 to rotate, the fixed rod 13 rotates and drives the connecting frame 19 to rotate, the connecting frame 19 drives the pulley 20 to rotate, the pulley 20 rolls on the sliding groove 18, the pulley 20 rolls and pushes the guide sleeve 17 to move downwards, the guide sleeve 17 moves downwards and pushes the slide rod 22 to move downwards, meanwhile, the spring 21 is compressed, the slide rod 22 moves downwards and pushes the inner bushing 23 to move, the inner bushing 23 pushes the bottom sleeve plate 28 to move downwards, the sealing column 34 at the top of the bottom sleeve plate 28 is separated from the through groove 35 at the top of the top sleeve plate 26, at the moment, water in the connecting shell 2 enters the top of the top sleeve plate 26 through the water inlet sleeve 15 and is filtered through the filter plate 27 at the top of the top sleeve plate 26, the filtered water falls into the shell 9, the PH detection is carried out through the PH detector 30, the value of the PH detection is sent to the data processor module 8, after the water quality data are collected, the water is sent to a water supply company through the communication module 7, the transmission shaft 11 is controlled to rotate reversely by the motor 14, so that the plunger 24 blocks the water inlet sleeve 15 again, at this moment, the second pump machine 31 is started, the top sleeve plate 26 top is conveyed to the water in the housing 9 by the second pump machine 31, the through groove 35 at the top of the top sleeve plate 26 is plugged by the sealing column 34, water leakage is avoided, meanwhile, the first pump machine 10 is started, the water and impurities at the top of the top sleeve plate 26 are conveyed through the second connecting pipe 32, the water and the impurities are discharged through the drain pipe 36, and water quality data can be detected in real time.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a water gauge water quality testing system, includes water gauge body (1), its characterized in that: a connecting shell (2) is fixedly arranged on one side of the water meter body (1), a turbidity meter (5) is fixedly arranged inside the connecting shell (2), a fixed shell (6) is fixedly arranged inside the connecting shell (2), and a water quality detection mechanism is arranged inside the fixed shell (6);
the water quality detection mechanism comprises a treatment assembly, the treatment assembly comprises a water inlet sleeve (15), the water inlet sleeve (15) is fixedly arranged inside a fixed shell (6), a second gear (16) is sleeved outside the water inlet sleeve (15) through a bearing, a motor (14) is fixedly arranged inside the fixed shell (6), the output end of the motor (14) is fixedly connected with a transmission shaft (11), one end of the transmission shaft (11) is connected with the top of the fixed shell (6) through a bearing, a first gear (12) is fixedly sleeved outside the transmission shaft (11), the first gear (12) is meshed with the second gear (16), a fixing rod (13) is fixedly connected to the bottom of the second gear (16), a connecting frame (19) is fixedly connected to the bottom of the fixing rod (13), and the inner side of the connecting frame (19) is connected with a pulley (20) through a bearing, the bottom of the second gear (16) is provided with a guide sleeve (17), the top of the guide sleeve (17) is provided with a sliding groove (18), the sliding groove (18) is in contact with a pulley (20), the bottom of the guide sleeve (17) is fixedly connected with four sliding rods (22), the four sliding rods (22) penetrate through the bottom of the fixed shell (6), the four sliding rods (22) are sleeved with springs (21) and are fixedly connected with inner bushings (23) at the bottoms of the sliding rods (22), the top of each inner bushing (23) is in contact with the bottom of the fixed shell (6), a bottom sleeve plate (28) is fixedly arranged on the inner side of each inner bushing (23), a plunger (24) is fixedly connected to the top of each bottom sleeve plate (28), and the top of the plunger (24) extends into the inside of the water inlet sleeve (15) and is in contact with the side wall of the water inlet sleeve (15).
2. A water meter water quality detection system as claimed in claim 1, wherein: a plurality of through-holes (33) have been seted up at bottom lagging (28) top, a plurality of sealed posts (34) of bottom lagging (28) top fixedly connected with, bottom lagging (28) top is equipped with top lagging (26), top lagging (26) top is fixed and is equipped with the connecting plate, connecting plate top and set casing (6) bottom fixed connection, a plurality of logical groove (35) have been seted up to top lagging (26) one side, and are a plurality of it is equipped with filter plate (27) all to lead to groove (35) one side fixed the inlaying.
3. A water meter water quality detection system as claimed in claim 1, wherein: the PH detector is characterized in that a housing (9) is fixedly connected to the bottom of the fixed shell (6), the housing (9) is arranged outside the inner bushing (23), a PH detector (30) is fixedly arranged inside the housing (9), a second pump (31) is fixedly connected to the bottom of the housing (9), a first connecting pipe (29) is fixedly connected to the output end of the second pump (31), and the first connecting pipe (29) penetrates through the plunger (24).
4. A water meter water quality detection system according to claim 3, characterized in that: and a sealing ring (25) is sleeved outside the plunger (24).
5. A water meter water quality detection system according to claim 4, characterized in that: the improved pump is characterized in that a first pump (10) is fixedly connected to the bottom of the housing (9), a second connecting pipe (32) is fixedly connected to the input end of the first pump (10), one end of the second connecting pipe (32) extends into the housing (9), the second connecting pipe (32) penetrates through the plunger (24), a drain pipe (36) is fixedly connected to the other end of the first pump (10), and the drain pipe (36) penetrates through the connecting shell (2).
6. A water meter water quality detection system as claimed in claim 5, characterized in that: connect shell (2) top fixedly connected with motorised valve (3), motorised valve (3) one end fixedly connected with inlet tube (4), inlet tube (4) and water gauge body (1) fixed connection.
7. A water meter water quality detection system as claimed in claim 6, wherein: the connecting shell (2) is internally and respectively fixedly provided with a communication module (7) and a data processor module (8), and the communication module (7) and the data processor module (8) are arranged at the bottom of the fixed shell (6).
8. A water meter water quality detection system as claimed in claim 7, wherein: the output end of the data processor module (8) is electrically connected with the input ends of the electric valve (3), the second pump (31), the first pump (10) and the motor (14), the output end of the data processor module (8) is electrically connected with the input end of the communication module (7), and the input end of the data processor module (8) is electrically connected with the output ends of the turbidity meter (5) and the PH detector (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210360481.1A CN114720651B (en) | 2022-04-07 | 2022-04-07 | Water meter water quality detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210360481.1A CN114720651B (en) | 2022-04-07 | 2022-04-07 | Water meter water quality detection system |
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| CN114720651A true CN114720651A (en) | 2022-07-08 |
| CN114720651B CN114720651B (en) | 2023-04-28 |
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| EP3909917A1 (en) * | 2020-05-15 | 2021-11-17 | Tapp Water S.L. | Filtering and quality monitoring of liquid in real-time |
| CN114152725A (en) * | 2021-12-29 | 2022-03-08 | 苏州圣艮启科技有限公司 | Automatic environmental water quality monitoring equipment and use method thereof |
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| CN2256087Y (en) * | 1996-03-19 | 1997-06-11 | 张幸栓 | Preparation of ice cup |
| CN106946449A (en) * | 2017-04-10 | 2017-07-14 | 安徽江南春包装科技有限公司 | It is classified the drive-type glassware hot prosthetic appliance of end flaw and its application method |
| US20210208031A1 (en) * | 2020-01-07 | 2021-07-08 | Chinese Research Academy Of Environmental Sciences | Diffusive gradients in thin films (dgt) probe test device for sediment core in lake and test method using the same |
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| CN114720651B (en) | 2023-04-28 |
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