CN217083854U - Low-power-consumption Hall sampling passive direct-reading water meter - Google Patents

Abstract

The utility model discloses a passive direct-reading water gauge of low-power consumption hall sampling, including water gauge shell and gauge outfit shell, the inside of water gauge shell is equipped with the core, gauge outfit shell fixed mounting is in the top of water gauge shell, one side top fixed mounting of gauge outfit shell has power supply unit, the top of gauge outfit shell is fixed with the translucent cover, the inboard of gauge outfit shell is from last to having set gradually data display chamber and data transmission chamber down, the inner wall in data display chamber is provided with water gauge character wheel and a plurality of hall sensor chip, each hall sensor chip is corresponding with each character wheel of water gauge character wheel, the inside in data transmission chamber is equipped with the singlechip respectively, PCB board and communication module. The utility model discloses there is not the intermediate voltage, need not worry the refraction phenomenon that light appears, is not afraid of the bubble and shelters from, and the sampling is accurate, does not have accumulative error, can not produce the measurement problem, adopts the chip encapsulation, and the fault rate depends on the fault rate of chip, but greatly reduced fault rate.

Description

Low-power-consumption Hall sampling passive direct-reading water meter

Technical Field

The utility model relates to an intelligence water gauge technical field specifically is a passive direct-reading water gauge of low-power consumption hall sampling.

Background

In recent years, intelligent water meters have been installed in large numbers. This is just a change in the communication mode of the intelligent water meter, and is actively being explored in the collection of the flow rate of the water meter.

The sampling principle of the water meter is various, and the current common use includes photoelectric pulse counting, photoelectric direct reading, non-magnetic sampling counting, ultrasonic measurement and the like. Except for a photoelectric direct-reading meter, other sampling modes all require that the water meter is powered up all the time, and principles such as sampling pulse counting and non-magnetic sampling have the possibility of meter leakage due to factors such as voltage fluctuation and interference. The ultrasonic measurement considers the problem of power consumption, a discontinuous measurement mode is adopted, and the water pressure fluctuation can influence the metering accuracy. In recent years, the photoelectric passive direct-reading meter has been the mainstream in the market.

In the application process of the photoelectric direct-reading passive water meter, various problems occur, most typically, the bubble problem of a wet-type passive direct-reading meter and the voltage judgment problem of a photoelectric receiving tube. The luminous flux of the photoelectric direct-reading meter is different when the character wheel rotates to different positions, the middle voltage value can be acquired during sampling, the sampling voltage value can be inaccurate when air bubbles are encountered, and even the signal which is supposed to be at a low level is changed into a high level. When the fault occurs in hundreds of azimuths and thousands of azimuths, the measurement data is greatly influenced, the data power consumption is large, and the fault rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a passive direct-reading water gauge of low-power consumption hall sampling to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a passive direct-reading water gauge of low-power consumption hall sampling, includes water gauge shell and gauge outfit shell, the inside of water gauge shell is equipped with the core, gauge outfit shell fixed mounting is in the top of water gauge shell, one side top fixed mounting of gauge outfit shell has power supply unit, the top of gauge outfit shell is fixed with the translucent cover, the inboard of gauge outfit shell has set gradually data display chamber and data transmission chamber from last to down, the inner wall in data display chamber is provided with water gauge character wheel and a plurality of hall sensor chip, each hall sensor chip is corresponding with each character wheel of water gauge character wheel, the inside in data transmission chamber is equipped with singlechip, PCB board and communication module respectively.

Furthermore, the communication module comprises a WIFI chip and an NB-IoT module, the NB-IoT module is connected with a spring antenna, the spring antenna is electrically connected with the PCB through a wire, the WIFI chip and the NB-IoT module are both electrically connected with the single chip microcomputer through UART interfaces in a bidirectional mode, and through the WIFI chip and the NB-IoT module, the data transmission efficiency is improved, and the communication module has the advantages of network deep coverage, wide link, low power consumption and the like, and is stable, reliable and safe in communication.

Further, the output of hall sensor chip and the input electric connection of singlechip, the two-way electric connection of the output of singlechip and communication module, communication module has terminal equipment through data transmission line or wireless signal connection, is connected with terminal equipment through communication module, is convenient for carry out remote monitoring water gauge.

Furthermore, power supply unit includes battery compartment and battery, battery fixed mounting is in the inside of battery compartment, supplies power to the part low-power consumption component in the gauge outfit shell through power supply unit, further extension live time.

Furthermore, each character wheel of the water meter character wheel is fixedly provided with a position identification device, the position identification device is specifically a round N, S-pole alternate permanent magnet, and the position of the water meter character wheel can be accurately identified by the Hall sensor chip by arranging the round N, S-pole alternate permanent magnet as the position identification device.

Further, the water gauge shell includes casing and lower casing, go up the casing and connect through the lock down between the casing, and go up the casing and be equipped with joint strip with the kneck between the casing down, help improving the leakproofness of water gauge shell.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a set up power supply unit, hall sensor chip, water gauge character wheel and position identification device, carry out direct sampling to the position identification device on the water gauge character wheel through the hall sensor chip, directly read the numerical value on the water gauge character wheel, make the character wheel wholly be whole entity structure, need not supply power all the time, there is not intermediate voltage, need not worry the refraction phenomenon of light to appear, be afraid of the bubble and shelter from, the sampling is accurate, there is not the accumulative error, can not produce the measurement problem, adopt chip encapsulation, the fault rate depends on the fault rate of chip, can greatly reduce the fault rate;

2. the utility model discloses a set up singlechip, PCB board and communication module, through WIFI chip and NB-IoT module, have advantages such as the deep cover of network, wide chain, low-power consumption, communication is stable, reliable, safety, and communication module has terminal equipment through data transmission line or wireless signal connection, is connected with terminal equipment through communication module, is convenient for carry out the remote monitoring water gauge.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the internal structure of the gauge head case of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a functional block diagram of the present invention;

in the figure: 1. a water meter housing; 2. a gauge head housing; 3. a power supply device; 4. a transparent cover; 5. a data display chamber; 6. a data transmission cavity; 7. a water meter print wheel; 8. a Hall sensor chip; 9. a single chip microcomputer; 10. a PCB board; 11. a communication module; 111. a WIFI chip; 112. an NB-IoT module; 12. a position identification device; 13. a spring antenna.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a passive direct-reading water gauge of low-power consumption hall sampling, including water gauge shell 1 and gauge outfit shell 2, the inside of water gauge shell 1 is equipped with the core, 2 fixed mounting in the top of water gauge shell 1 of gauge outfit shell, one side top fixed mounting of gauge outfit shell 2 has power supply unit 3, the top of gauge outfit shell 2 is fixed with translucent cover 4, the inboard of gauge outfit shell 2 has set gradually data display chamber 5 and data transmission chamber 6 from last to down, the inner wall in data display chamber 5 is provided with water gauge character wheel 7 and a plurality of hall sensor chip 8, each hall sensor chip 8 is corresponding with each character wheel of water gauge character wheel 7, the inside in data transmission chamber 6 is equipped with singlechip 9, PCB board 10 and communication module 11 respectively.

Further, the communication module 11 includes a WIFI chip 111 and an NB-IoT module 112, the NB-IoT module 112 is connected with a spring antenna 13, the spring antenna 13 is electrically connected to the PCB 10 through a wire, both the WIFI chip 111 and the NB-IoT module 112 are electrically connected to the single chip microcomputer 9 through a UART interface, and the WIFI chip 111 and the NB-IoT module 112 improve data transmission efficiency, and have advantages of network deep coverage, wide link, low power consumption, and the like, and the communication is stable, reliable, and safe.

Further, the output of hall sensor chip 8 and the input electric connection of singlechip 9, the two-way electric connection of the output of singlechip 9 and communication module 11, communication module 11 is connected with terminal equipment through data transmission line or wireless signal, is connected with terminal equipment through communication module 11, is convenient for carry out the remote monitoring water gauge.

Furthermore, power supply unit 3 includes battery compartment and battery, battery fixed mounting is in the inside of battery compartment, supplies power through power supply unit 3 to the part low-power consumption component in pair head shell 2, further extension live time.

Furthermore, each character wheel of water meter character wheel 7 is fixed with position identification device 12, position identification device 12 specifically is round N, S alternate permanent magnet, and through setting up round N, S alternate permanent magnet as position identification device 12, can make the accurate position of discerning water meter character wheel 7 of hall sensor chip 8.

Further, water gauge shell 1 includes casing and lower casing, go up the casing and connect through the lock down between the casing, and go up the casing and be equipped with joint strip with the kneck between the casing down, help improving water gauge shell 1's leakproofness.

The utility model discloses a theory of operation: the Hall sensor chip 8 is used for directly sampling the position identification device 12 on the water meter character wheel 7 and directly reading the numerical value on the water meter character wheel 7, so that the character wheel is integrally of a whole entity structure, power supply is not needed all the time, no intermediate voltage exists, the phenomenon of light refraction is not needed to be worried about, bubbles are not afraid of shielding, sampling is accurate, errors are not accumulated, and the metering problem is not generated; through setting up singlechip 9, PCB board 10 and communication module 11, through WIFI chip 111 and NB-IoT module 112, have advantages such as network deep coverage, wide chain, low-power consumption, communication is stable, reliable, safety, and communication module 11 has terminal equipment through data transmission line or wireless signal connection, is connected with terminal equipment through communication module 11, is convenient for carry out remote monitoring water gauge.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a passive direct-reading water gauge of low-power consumption hall sampling, includes water gauge shell (1) and gauge outfit shell (2), its characterized in that: the inside of water gauge shell (1) is equipped with the core, gauge outfit shell (2) fixed mounting is in the top of water gauge shell (1), one side top fixed mounting of gauge outfit shell (2) has power supply unit (3), the top of gauge outfit shell (2) is fixed with translucent cover (4), the inboard of gauge outfit shell (2) is from last to having set gradually data display chamber (5) and data transmission chamber (6) down, the inner wall in data display chamber (5) is provided with water gauge character wheel (7) and a plurality of hall sensor chip (8), each hall sensor chip (8) are corresponding with each character wheel of water gauge character wheel (7), the inside in data transmission chamber (6) is equipped with singlechip (9), PCB board (10) and communication module (11) respectively.

2. The low-power consumption hall sampling passive direct-reading water meter of claim 1, characterized in that: the communication module (11) comprises a WIFI chip (111) and an NB-IoT module (112), a spring antenna (13) is connected to the NB-IoT module (112), the spring antenna (13) is electrically connected with the PCB (10) through a wire, and the WIFI chip (111) and the NB-IoT module (112) are both electrically connected with the single chip microcomputer (9) through a UART interface in a bidirectional mode.

3. The low-power consumption hall sampling passive direct-reading water meter of claim 1, characterized in that: the output end of the Hall sensor chip (8) is electrically connected with the input end of the single chip microcomputer (9), the output end of the single chip microcomputer (9) is electrically connected with the communication module (11) in a bidirectional mode, and the communication module (11) is connected with terminal equipment through a data transmission line or a wireless signal.

4. The low-power consumption hall sampling passive direct-reading water meter of claim 1, characterized in that: the power supply device (3) comprises a battery compartment and a battery, and the battery is fixedly arranged in the battery compartment.

5. The low-power consumption hall sampling passive direct-reading water meter of claim 1, characterized in that: position identification devices (12) are fixedly mounted at each character wheel of the water meter character wheel (7), and the position identification devices (12) are circular permanent magnets with N, S poles arranged alternately.

6. The low-power consumption hall sampling passive direct-reading water meter of claim 1, characterized in that: the water meter shell (1) comprises an upper shell and a lower shell, the upper shell and the lower shell are connected through a lock, and a sealing rubber strip is assembled at a joint between the upper shell and the lower shell.

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