CN211877145U

CN211877145U - NB-IOT intelligent remote water meter

Info

Publication number: CN211877145U
Application number: CN202020395345.2U
Authority: CN
Inventors: 宋纯立; 王有军; 周升高
Original assignee: Nanjing Weiqi Science & Technology Co ltd
Current assignee: Nanjing Weiqi Science & Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-06
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an NB-IOT intelligent remote water meter, which comprises a lower cavity and an upper cavity, wherein an impeller is arranged in the lower cavity, and a driving shaft is fixedly connected in the impeller; the upper cavity is internally and sequentially provided with a control layer, a power supply layer, a charging layer and a metering layer in a longitudinal direction, an insulating rod is inserted in the driving shaft, an axial magnetic pole is sleeved outside the insulating rod, a Hall sensor is arranged in the metering layer and on the same horizontal line with the axial magnetic pole, the upper end of the insulating rod is in threaded connection with a power generation device, magnetic steels are oppositely and parallelly arranged in the charging layer, the power generation device is arranged between the magnetic steels and is electrically connected with a charger, the charger is electrically connected with a bridge rectifier, and the bridge; be equipped with singlechip, electronic switch, timer, trigger, NB-IOT antenna and NB-IOT wireless transmission module in the control layer, electronic switch and timer parallel connection just with the trigger series connection, the utility model discloses compact structure, the low power dissipation, long service life regularly checks meter and uploads water consumption data.

Description

NB-IOT intelligent remote water meter

Technical Field

The utility model relates to an intelligence water gauge technical field, concretely relates to NB-IOT intelligence teletransmission water gauge.

Background

The remote water meter is an intelligent water meter consisting of a common mechanical water meter and an electronic acquisition and signaling module, the meter body adopts an integrated design, and the electronic acquisition module finishes signal acquisition, data processing and storage and transmits data to a server management system through a communication line, so that an operator can conveniently count and analyze data and avoid manual meter reading of property, which wastes time and labor.

Along with the development of the internet of things technology and the construction of an intelligent water network, the intelligent remote water meter is widely used. At present, some remote water meters on the market transmit wirelessly in an unauthorized frequency band, and both the signal intensity and the anti-interference capability are low; the battery in the remote water meter is supplied with power by the display screen, the acquisition, control and transmission module, all-weather power supply enables the electric quantity in the battery to be quickly reduced, the service life of the battery is short, and the remote water meter is inconvenient to disassemble, so that the battery is inconvenient to disassemble, and the workload of maintenance personnel is increased.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a NB-IOT intelligence teletransmission water gauge regularly checks meter and uploads the water data of using, converts water energy into electric energy and charges for the lithium cell, increases life.

The utility model adopts the technical proposal that:

an NB-IOT intelligent remote water meter comprises a lower cavity and an upper cavity, wherein an impeller is arranged in the lower cavity, and a driving shaft is fixedly connected in the impeller; the magnetic field measuring device comprises an upper cavity, a lower cavity, a driving shaft, an upper cavity, a lower cavity, a measuring layer, an insulating rod, an axial magnetic pole, a Hall sensor, a power generation device, a bridge rectifier and a lithium battery, wherein the control layer, the power supply layer, the charging layer and the measuring layer are sequentially arranged in the upper cavity in the longitudinal direction, the measuring layer is arranged on the lower cavity, the insulating rod is inserted into the driving shaft, the outer side of the insulating rod is sleeved with the axial magnetic pole, the Hall sensor is arranged in the measuring layer and on the same horizontal line with the axial magnetic pole, the Hall sensor is ensured to accurately detect the change of a magnetic field, the upper end of the insulating rod is in threaded connection; be equipped with singlechip, electronic switch, timer, trigger, NB-IOT antenna and NB-IOT wireless transmission module in the control layer, electronic switch with the equal electric connection of timer the singlechip, electronic switch with timer parallel connection and with the trigger series connection, trigger electric connection the NB-IOT antenna with NB-IOT wireless transmission module is convenient for carry out meter reading, water gauge data upload through artifical or regularly arouse the trigger.

Preferentially, power generation facility includes closed loop, copper ring and brush, the closed loop is located between the magnet steel, the closed loop both ends are all connected the copper ring, the copper ring outside is connected the brush, power generation facility with the charger forms closed circuit, ensures power generation facility makes cutting magnetic induction linear motion in the magnetic field, takes place the electromagnetic induction phenomenon, makes the interior induced alternating current that produces of closed loop.

Preferentially, the single chip microcomputer comprises a control module, a data storage module and a calculation conversion module, the data storage module and the calculation conversion module are electrically connected with the control module, the control module is connected with a display screen, the calculation conversion module is connected with the Hall sensor, pulse voltage monitored by the Hall sensor is convenient to match with the inner diameter of the pipeline, and flow is calculated in the calculation conversion module.

Preferentially, the magnetism of the two opposite sides of the magnetic steel is different, so that a uniform magnetic field is ensured to exist between the magnetic steels.

Preferentially, the closed loop adopts a copper wire and a conductive cavity, the closed loop is rectangular, two ends of the closed loop are arranged in parallel, and the copper ring is respectively connected with one end of the closed loop and is not in contact with the other end of the closed loop, so that the induced current is ensured to circulate through the charger.

Preferentially, the NB-IOT wireless transmission module adopts a low-power consumption NB-IOT module, so that wireless transmission is facilitated under an authorized frequency band, the burden of the lithium battery is reduced, the power consumption is reduced, and the service life is prolonged.

Preferably, a water inlet and a water outlet are respectively arranged at two ends of the lower cavity, and a filter screen is arranged outside the water inlet and the water outlet to filter impurities in water.

Preferentially, the layer just charges the magnet steel both sides are equipped with the vacuum cavity respectively, improve the layer that charges the power supply layer with control layer dampproofing ability avoids the device short circuit.

Preferably, a threaded cavity is formed in the driving shaft, the insulating rod is in threaded connection with the driving shaft through the threaded cavity, and the upper end of the driving shaft is flush with the upper surface of the lower cavity.

Preferentially, the insulating rod penetrates through the metering layer and is in threaded connection with the closed loop, a sealing ring is sleeved on the upper surface and the lower surface of the metering layer and on the outer side of the insulating rod, and water vapor is prevented from permeating into the upper cavity from the lower cavity.

The utility model has the advantages that:

1. the electronic switch is connected with the trigger in series after being connected with the timer in parallel, the water meter data can be acquired after the electronic switch is manually started, or the trigger is triggered at specific time every day and every month after being timed by the timer, signals are enhanced through the NB-IOT antenna and are uploaded to the cloud server through the NB-IOT wireless transmission module, the power consumption and the power consumption are reduced, the service life of the remote water meter is prolonged, and a user can be ensured to accurately know the water consumption of the day degree and the month degree;

2. when water is used, the impeller, the driving shaft, the insulating rod and the closed loop are driven to rotate by water flow, the closed loop cuts a magnetic induction line between the magnetic steels to move, so that the closed loop generates induction current to charge a lithium battery, water energy is converted into electric energy to supply power to each part of the remote water meter, the energy consumption is reduced, the lithium battery is continuously charged by adopting the electromagnetic induction principle, and the service life of the water meter is prolonged;

3. the induced current generated by the closed loop charges the lithium battery through the charger, and the alternating current connected with the charger is rectified by the bridge rectifier, so that the output current of the charger is converted into the direct current, and the service life of the lithium battery is prolonged.

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 schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the power generation apparatus according to the present invention;

fig. 3 is a schematic diagram of the connection of the control layer of the present invention;

fig. 4 is a schematic axial magnetic pole of the present invention.

Labeled as: 1. the device comprises a lower cavity, 11. an impeller, 12. a driving shaft, 13. an insulating rod, 14. a water inlet, 15. a water outlet, 16. a filter screen, 2. an upper cavity, 3. a control layer, 31. an electronic switch, 32. a timer, 33. a trigger, 34. an NB-IOT antenna, 35. an NB-IOT wireless transmission module, 36. a display screen, 4. a power supply layer, 41. a charger, 42. a bridge rectifier, 43. a lithium battery, 5. a charging layer, 51. a power generation device, 511. a closed loop, 512. a copper ring, 513. an electric brush, 52. magnetic steel, 53. a vacuum cavity, 6. a metering layer, 61. an axial magnetic pole, 62. a Hall sensor, 63. a sealing ring, 7. a singlechip, 71. a control module, 72. a data storage module and 73. a calculation conversion module.

Detailed Description

As shown in fig. 1-4, an NB-IOT intelligent remote water meter includes a lower chamber 1 and an upper chamber 2, an impeller 11 is disposed in the lower chamber 1, and a driving shaft 12 is fixedly connected in the impeller 11; the upper cavity 2 is internally and sequentially provided with a control layer 3, a power supply layer 4, a charging layer 5 and a metering layer 6 in a longitudinal direction, the metering layer 6 is arranged on the lower cavity 1, an insulating rod 13 is inserted into a driving shaft 12, an axial magnetic pole 6 is sleeved outside the insulating rod 13, a Hall sensor 62 is arranged in the metering layer 6 and on the same horizontal line with the axial magnetic pole 6 to ensure that the Hall sensor 62 accurately detects the change of a magnetic field, the upper end of the insulating rod 13 is in threaded connection with a power generation device 51, magnetic steels 52 are oppositely and parallelly arranged in the charging layer 5 and perpendicular to the metering layer 6, the power generation device 51 is arranged between the magnetic steels 52, the power generation device 51 is electrically connected with a charger 41, the charger 41 is electrically connected with a bridge rectifier 42, the bridge rectifier 42 is electrically; the control layer 3 is internally provided with a singlechip 7, an electronic switch 31, a timer 32, a trigger 33, an NB-IOT antenna 34 and an NB-IOT wireless transmission module 35, the electronic switch 31 and the timer 32 are both electrically connected with the singlechip 7, the electronic switch 31 and the timer 32 are connected in parallel and are connected in series with the trigger 33, and the trigger 33 is electrically connected with the NB-IOT antenna 34 and the NB-IOT wireless transmission module 35, so that meter reading and water meter data uploading can be conveniently carried out by manually or regularly triggering the trigger 33.

Specifically, as shown in fig. 1-2, the power generation device 51 includes a closed loop 511, a copper ring 512 and an electric brush 513, the closed loop 511 is disposed between the magnetic steels 52, two ends of the closed loop 511 are both connected to the copper ring 512, an outer side of the copper ring 512 is connected to the electric brush 513, the power generation device 51 and the charger 41 form a closed loop, and it is ensured that the power generation device 51 makes a cutting magnetic induction line motion in a magnetic field, an electromagnetic induction phenomenon occurs, and an induced alternating current is generated in the closed loop 511.

Specifically, as shown in fig. 3, the single chip microcomputer 7 includes a control module 71, a data storage module 72 and a calculation conversion module 73, the data storage module 72 and the calculation conversion module 73 are both electrically connected to the control module 71, the control module 71 is connected to the display screen 36, and the calculation conversion module 73 is connected to the hall sensor 62, so that the pulse voltage monitored by the hall sensor 62 is conveniently matched with the inner diameter of the pipe, and the flow rate is calculated in the calculation conversion module 73.

Specifically, as shown in fig. 1-2, the magnetic steel 52 has different magnetism on opposite sides, so as to ensure that a uniform magnetic field exists between the magnetic steel 52.

Specifically, as shown in fig. 1-2, the closed loop 511 is made of copper wire and a conductive cavity, the closed loop 511 is rectangular, two ends of the closed loop 511 are arranged in parallel, and the copper rings 512 are respectively connected with one end of the closed loop 511 and are not in contact with the other end of the closed loop 511, so as to ensure that the induced current flows through the charger 41.

Specifically, as shown in fig. 1 to 3, the NB-IOT wireless transmission module 35 is a low-power NB-IOT module, which facilitates wireless transmission in an authorized frequency band, reduces the burden of the lithium battery 43, reduces power consumption, and increases service life.

Specifically, as shown in fig. 1, a water inlet 14 and a water outlet 15 are respectively arranged at two ends of the lower cavity 1, and a filter screen 16 is arranged outside the water inlet 14 and the water outlet 15 to filter impurities in water.

Specifically, as shown in fig. 1, vacuum cavities 53 are respectively arranged on the two sides of the charging layer 5 and the magnetic steel 52, so that the moisture-proof capability of the charging layer 5, the power supply layer 4 and the control layer 3 is improved, and the short circuit of the device is avoided.

Specifically, as shown in fig. 1, a threaded cavity is formed in the driving shaft 12, the insulating rod 13 is in threaded connection with the driving shaft 12 through the threaded cavity, and the upper end of the driving shaft 12 is flush with the upper surface of the lower cavity 1.

Specifically, as shown in fig. 1, the insulating rod 13 penetrates through the metering layer 6 to be in threaded connection with the closed loop 511, and the sealing rings 63 are sleeved on the upper surface and the lower surface of the metering layer 6 and on the outer side of the insulating rod 13, so as to prevent water vapor from permeating from the lower cavity 1 to the upper cavity 2.

As shown in fig. 1-4, the working principle of the present invention is: the water flow flows into the lower cavity 1 from the water inlet 14, the water flow pushes the impeller 11 to rotate, the impeller 11 drives the driving shaft 12, the insulating rod 13, the axial magnetic pole 6 and the closed loop 511 to rotate, the axial magnetic pole 6 rotates, the Hall sensor 62 outputs pulse voltage after monitoring the change of the magnetic field, data are transmitted to the calculation and conversion module 73, the number of the pulse voltage in unit time is the flow rate, the inner diameter of the pipeline is matched to calculate the water flow, the calculation data are transmitted to the control module 71, the control module 71 excites the trigger 33 according to the meter reading requirement or the preset specific time of each day and each month, on the basis that the NB-IOT antenna 34 strengthens the strength of the transmission signal, the water flow is uploaded to the cloud server through the NB-IOT wireless transmission module 35, and the daily and monthly; the closed loop 511 cuts magnetic induction lines between the magnetic steels 52 to rotate, induction alternating currents are generated due to different cutting directions of the front and rear circumferences of the closed loop 511 before and after rotation, the lithium battery 43 supplies power for all electric parts of the control layer 3, in order to prolong the service life of the lithium battery 43, the power generation device 51 is connected with the charger 41 to output constant alternating currents, and the constant alternating currents are rectified into direct currents through the bridge rectifier 42 to charge the lithium battery 43, so that the service time of the intelligent remote water meter is greatly prolonged.

The utility model has the advantages that: compact structure, it is convenient to load and unload, and the low power dissipation is equipped with charging mechanism, make full use of hydroenergy when the user's water, make hydroenergy convert the electric energy into and charge for the lithium cell, long service life regularly checks meter and uploads water consumption data, and the user of being convenient for knows self time quantum water consumption such as daily, monthly.

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 in the foregoing embodiments, 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

1. The utility model provides a NB-IOT intelligence teletransmission water gauge which characterized in that: the device comprises a lower cavity and an upper cavity, wherein an impeller is arranged in the lower cavity, and a driving shaft is fixedly connected in the impeller; the measuring device comprises an upper cavity, a lower cavity, a driving shaft, an upper cavity, a lower cavity, an upper power supply layer, a measuring layer and a power supply layer, wherein the upper cavity is internally and sequentially provided with the control layer, the power supply layer, the charging layer and the measuring layer in a longitudinal direction; the control layer is internally provided with a single chip microcomputer, an electronic switch, a timer, a trigger, an NB-IOT antenna and an NB-IOT wireless transmission module, wherein the electronic switch and the timer are both electrically connected with the single chip microcomputer, the electronic switch and the timer are connected in parallel and are connected with the trigger in series, and the trigger is electrically connected with the NB-IOT antenna and the NB-IOT wireless transmission module.

2. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: the power generation device comprises a closed loop, a copper ring and an electric brush, the closed loop is arranged between the magnetic steels, two ends of the closed loop are connected with the copper ring, the outer side of the copper ring is connected with the electric brush, and the power generation device and the charger form a closed loop.

3. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: the single chip microcomputer comprises a control module, a data storage module and a calculation conversion module, the data storage module and the calculation conversion module are electrically connected with the control module, the control module is connected with a display screen, and the calculation conversion module is connected with the Hall sensor.

4. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: the magnetic steel has different magnetism on two opposite sides.

5. The NB-IOT intelligent remote water meter as set forth in claim 2, wherein: the closed loop is made of copper wires, is rectangular, and is arranged at two ends of the closed loop in parallel, and the copper rings are respectively connected with one end of the closed loop and are not in contact with the other end of the closed loop.

6. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: the NB-IOT wireless transmission module adopts a low-power consumption NB-IOT module.

7. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: and a water inlet and a water outlet are respectively arranged at two ends of the lower cavity, and filter screens are arranged outside the water inlet and the water outlet.

8. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: the layer just charges just magnet steel both sides are equipped with the vacuum cavity respectively.

9. The NB-IOT intelligent remote water meter as set forth in claim 1, wherein: the driving shaft is provided with a threaded cavity, the insulating rod is in threaded connection with the driving shaft through the threaded cavity, and the upper end of the driving shaft is flush with the upper surface of the lower cavity.

10. The NB-IOT intelligent remote water meter as set forth in claim 2, wherein: the insulating rod penetrates through the metering layer and is in threaded connection with the closed loop, and sealing rings are sleeved on the upper surface and the lower surface of the metering layer and on the outer side of the insulating rod.