CN211013106U

CN211013106U - Non-magnetic water meter based on NB-IOT

Info

Publication number: CN211013106U
Application number: CN201922189051.4U
Authority: CN
Inventors: 丁宇彬; 封立平
Original assignee: Hangzhou Xinxin Technology Co ltd
Current assignee: Hangzhou Xinxin Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-14
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a no magnetism water gauge based on NB-IOT relates to intelligent water gauge technical field, aims at solving current ultrasonic water gauge and has improved the detection precision, still need the personnel of checking meter to go deep and check meter on the spot, because the running water user is more, causes the technical problem of the inefficiency of checking meter easily, and its technical scheme main points are including pipeline and the ultrasonic flow detection device of setting on the pipeline, ultrasonic flow detection device is coupled with and is used for handling the control chip who detects flow data, control chip is coupled with the NB-IoT wireless communication module with flow data transmission water supply plant terminal, control chip and NB-IoT wireless communication module electricity are connected with power module. The automatic meter reading can be realized, so that the meter reading efficiency is improved.

Description

Non-magnetic water meter based on NB-IOT

Technical Field

The utility model relates to an intelligence water gauge technical field, more specifically say, it relates to a no magnetism water gauge based on NB-IOT.

Background

The Narrow-Band Internet of Things (NB-IoT) is an important branch of the Internet of everything, is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an L TE network so as to reduce the deployment cost and realize smooth upgrade, is an emerging technology in the IoT field, supports cellular data connection of low-power-consumption equipment in a wide area network, and is also called a low-power-consumption wide area network (L PWAN). the NB-IoT supports efficient connection of equipment with long standby time and higher requirements on network connection.

The current chinese patent of grant publication No. CN209459712U discloses an ultrasonic water meter, which accurately measures the water flow in the pipeline by using ultrasonic waves, including: a connection pipe provided in a water inlet line of a user to transfer water in the line; the ultrasonic flow detector is arranged outside the pipeline, is connected with the connecting pipe and is used for detecting the flow of water in the connecting pipe and displaying the measured flow value; the reflecting support is arranged in the connecting pipe, at least two reflecting plates are arranged on the reflecting support, and the reflecting plates and the water flow direction in the connecting pipe form a certain included angle for reflecting the ultrasonic waves sent by the ultrasonic detector. Through using ultrasonic wave flow detector to measure the discharge in the pipeline, can the accurate concrete discharge in measuring the resident family's pipeline, simultaneously the water gauge device uses the ultrasonic reflection that the reflecting plate sent flow detector to assigned position, thereby improves with this the detection precision of ultrasonic wave water gauge.

However, although the conventional ultrasonic water meter has improved detection accuracy, it still requires a meter reading person to perform meter reading deeply in the field, and since there are many tap water users, meter reading efficiency is liable to be low, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, an object of the present invention is to provide a nonmagnetic water meter based on NB-IoT, which has the advantage of being able to realize automatic meter reading to improve the meter reading efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the non-magnetic water meter based on the NB-IOT comprises a pipeline and an ultrasonic flow detection device arranged on the pipeline, wherein a control chip used for processing and detecting flow data is coupled to the ultrasonic flow detection device, an NB-IoT wireless communication module used for transmitting the flow data to a water supply plant terminal is coupled to the control chip, and the control chip and the NB-IoT wireless communication module are electrically connected with a power supply module.

By adopting the technical scheme, the ultrasonic flow detection device checks the flow of water flow in the pipeline and transmits data to the control chip, the control chip converts the data through the ADC module in the control chip and transmits the data to the NB-IoT module, and the NB-IoT wireless communication module is accessed to the NB special network similar to GPRS of an operator, so that the NB-IoT wireless communication module can be accessed to any place where the Internet can be accessed, thereby realizing remote meter reading of a water plant and improving the meter reading efficiency.

Further, the control chip and the outer side wall of the NB-IoT wireless communication module are fixedly connected with a protection shell.

By adopting the technical scheme, the water meter is in a complex environment, so that the protection object can protect the control chip and the NB-IoT wireless communication module, and the probability that the control chip and the NB-IoT wireless communication module are damaged is reduced.

Further, protection casing one side is rotated and is connected with the closing cap, the protection casing is located its and the closing cap laminating department and rotates the ladder face that is connected with and closing cap looks adaptation, one side that the closing cap rotation junction was kept away from to the protection casing slides and is connected with the locking pole, the locking pole lateral wall is provided with the driving lever that is used for stirring the locking pole, the ladder face is laminated and is provided with on the surface in the locking pole end wall and supplies the locking pole to insert the locking hole of establishing.

Through adopting above-mentioned technical scheme, the setting of closing cap and ladder face is convenient for improve the inside leakproofness of protection casing to alleviate inside moisture entering protection casing. The setting in locking pole, driving lever and locking hole is convenient for carry out the locking to the closing cap to open the visor when needs overhaul the water gauge, and need not overhaul the time with the closing cap locking in order to improve the leakproofness.

Further, the locking pole connection of sliding is provided with the butt spring in the one end of closing cap.

Through adopting above-mentioned technical scheme, setting up of butt spring is convenient for pop out the locking pole auto-eject and inserts in the locking hole to the realization is to the automatic locking of closing cap.

Further, one end, far away from the abutting spring, of the locking rod is provided with a guide surface.

Through adopting above-mentioned technical scheme, the setting up of spigot surface is convenient for play the effect of direction when the locking pole inserts in the locking hole to the locking pole of being convenient for inserts in the locking hole.

Furthermore, a sealing rubber ring is arranged on the surface, attached to the stepped surface, of the surface wall of the closing cover.

Through adopting above-mentioned technical scheme, the leakproofness between closing cap and the protection casing has further been improved in setting up of sealing rubber circle, has alleviateed the inside probability of intaking of protection casing.

Furthermore, the top surface of the protection shell is provided with a transparent plate, and a display device used for displaying flow data and the residual electric quantity of the power module is arranged inside the protection shell and positioned at the bottom end of the transparent plate.

By adopting the technical scheme, the transparent plate and the display device are arranged, so that a user can conveniently observe the water consumption; meanwhile, the water plant staff can compare the displayed readings with the received readings when patrolling and examining, so as to verify whether interference exists in the transmission process.

Furthermore, the surface of one side of the protection shell, which is far away from the transparent plate, is rotatably connected with a hoop used for fixing the protection shell on the pipeline.

Through adopting above-mentioned technical scheme, the setting of staple bolt is convenient for fix the protection casing on the pipeline to can make the protection casing can be fixed on the pipeline all the time.

To sum up, the utility model discloses following beneficial effect has:

1. the technology that the ultrasonic flow detection device, the control chip, the NB-IoT wireless communication module and the power module are matched is adopted, so that the effect that data obtained by detection of the ultrasonic flow detection device is remotely transmitted to a water plant terminal through the NB-IoT wireless communication module is achieved;

2. the technology that the protective shell, the closed cover, the stepped surface, the locking rod, the shifting rod, the locking hole, the abutting spring, the guide surface and the sealing rubber pad are matched is adopted, so that the effect of conveniently protecting the control chip, the NB-IoT wireless communication module and the power supply module in the protective shell is achieved;

3. the technology that transparent plate, display device and staple bolt cooperate has been adopted to the production is fixed to the display device to with the pipeline vertical state for the effect that the user observed.

Drawings

FIG. 1 is a schematic overall structure diagram of a nonmagnetic water meter based on NB-IOT in an embodiment;

FIG. 2 is a schematic diagram for showing the structure at the sliding cavity in the embodiment.

In the figure: 1. a pipeline; 11. an ultrasonic flow detection device; 2. a control chip; 21. an NB-IoT wireless communication module; 22. a power supply module; 3. a protective housing; 30. a circuit board; 31. a closure cap; 311. sealing the rubber ring; 32. a transparent plate; 320. an observation hole; 321. a display device; 33. hooping; 331. an anti-skid rubber pad; 34. a step surface; 341. a sealing groove; 342. abutting the flange; 343. a locking hole; 35. a sliding cavity; 351. an adjustment hole; 4. a lock lever; 41. a deflector rod; 42. an abutment spring; 43. a guide surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a non-magnetic water meter based on NB-IOT, referring to FIG. 1, comprises a pipeline 1 and an ultrasonic flow detection device 11 arranged on the pipeline 1, wherein the ultrasonic flow detection device is an ultrasonic sensor, and flanges for butt joint are arranged at two ends of the pipeline 1.

Referring to fig. 1, a control chip 2 for processing detected flow data is coupled to the ultrasonic flow detection device 11, and the control chip 2 is preferably an FM3316 type single chip microcomputer manufactured by the double denier microelectronics group. The NB-IoT wireless communication module 21 is coupled to the control chip 2 and transmits flow data to the water supply plant terminal, the NB-IoT wireless communication module 21 comprises an NB-IoT module of NB-05-01, a matching circuit and an integrated SIM card module, the control chip 2 and the NB-IoT wireless communication module 21 are electrically connected with a power supply module 22, and the power supply module 22 is a lithium battery. The ultrasonic flow monitoring device detects the flow in the pipeline 1, performs data conversion through an ADC port in the control chip 2 and transmits data through the NB-IoT wireless communication module 21, and the NB-IoT wireless communication module 21 is accessed to an NB special network of a carrier similar to GPRS, so that communication can be performed at a place with a base station, and remote automatic meter reading is realized.

Referring to fig. 1, the outer side walls of the control chip 2 and the NB-IoT wireless communication module 21 are fixedly connected with a protection housing 3, the protection housing 3 is made of high-strength PVC material through ultrasonic welding, the control chip 2 and the NB-IoT wireless communication module 21 are fixed on a circuit board 30 through pin welding, and the circuit board 30 is fixed inside the protection housing 3 through bolts, so as to protect the control chip 2 and the NB-IoT wireless communication module 21.

Referring to fig. 1, a transparent plate 32 is disposed on a top surface of a protective housing 3, the transparent plate 32 is an acrylic plate, the protective housing 3 is provided with an observation hole 320 communicated with an inside of the protective housing 3, the transparent plate 32 is adhered to an inner side wall of the observation hole 320 and is sealed, a display device 321 for displaying flow data and a remaining capacity of the power module 22 is disposed at a bottom end of the transparent plate 32 inside the protective housing 3, the display device 321 is an L CD display screen, and the display device 321 is fixed on a circuit board 30 by bolts, so that a user can directly observe a consumed water amount from an outside of the protective housing 3.

Referring to fig. 1, an anchor ear 33 for fixing the protective housing 3 to the duct 1 is rotatably attached to a surface of one side of the protective housing 3 away from the transparent plate 32, and the anchor ear 33 is hinged to the protective housing 3 and is locked by a bolt. The anchor ear 33 is internally adhered with an anti-slip rubber pad 331 for increasing friction between the contact surface with the pipeline 1 to fix the protection casing 3 on the pipeline 1.

Referring to fig. 1 and 2, a sealing cover 31 is rotatably connected to one side of the protective housing 3 through a hinge, and a sealing groove 341 adapted to the sealing cover 31 is formed at a position of the protective housing 3, which is attached to the sealing cover 31; the middle of the sealing groove 341 is communicated with the inside of the protective case 3, and an abutment flange 342 abutting against the closing cap 31 is provided on the side wall thereof, and the sealing groove 341 and the abutment flange 342 form a stepped surface 34. A sealing rubber ring 311 is fixedly attached to the surface of the face wall of the closing lid 31, which is in contact with the stepped surface 34, and the sealing rubber ring 311 has the same size as the abutment flange 342 and can abut against the abutment flange 342, thereby improving the sealing property between the closing lid 31 and the stepped surface 34.

Referring to fig. 2, a side of the protective housing 3 away from the rotational connection with the sealing cover 31 is connected with a locking rod 4 in a sliding manner, and a side of the protective housing 3 away from the rotational connection with the sealing cover 31 is provided with a sliding cavity 35 for the locking rod 4 to slide. 4 lateral wall integrated into one piece of locking pole has the driving lever 41 that is used for stirring locking pole 4, and the regulation hole 351 of adjusting the 41 strokes of driving lever is seted up to the chamber 35 lateral wall that slides, and step face 34 is laminated and is provided with on the surface in 4 end walls of locking pole and supplies locking pole 4 to insert the locking hole 343 of establishing, locking hole 343 and 4 looks adaptations of locking pole to can carry out the locking to closing cap 31.

Referring to fig. 2, the lock rod 4 is slidably connected to one end of the closing cap 31 and is provided with an abutting spring 42, and the abutting spring 42 is placed between the bottom wall of the sliding cavity 35 and the end wall of the lock rod 4 to provide an automatic restoring force for the lock rod 4 to slide out of the sliding cavity 35.

Referring to fig. 2, a guide surface 43 is provided at an end of the locking rod 4 far from the abutting spring 42, and the guide surface 43 is obliquely arranged along a vertical direction so that a diameter of an end of the locking rod 4 far from the abutting spring 42 is smaller than a diameter of an end of the locking rod 4 near the abutting spring 42, thereby playing a guiding role on the locking rod 4 when the closing cover 31 rotates, and enabling the locking rod 4 to retract.

The working principle is as follows:

when water flows through the pipeline 1, the ultrasonic flow detection device 11 checks the flow of the water flow inside the pipeline 1 and transmits data to the control chip 2, and the control chip 2 converts the data and then communicates through the NB-IoT wireless communication module 21. Since the NB-IoT wireless communication module 21 is accessed to the similar GPRS network of the operator, the water plant can perform remote meter reading, thereby improving the meter reading efficiency. The user can simultaneously view the display from the top viewing aperture 320 and the transparent panel 32 to know the amount of water used.

When the water meter needs to be overhauled, the condition inside the protection shell 3 is observed through the observation port, then the shifting rod 41 can be upwards shifted, the unlocking of the sealing cover 31 is realized, and then the circuit board 30 inside the protection shell 3 can be taken out for overhauling.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A nonmagnetic water meter based on NB-IOT comprises a pipeline (1) and an ultrasonic flow detection device (11) arranged on the pipeline (1), and is characterized in that: the ultrasonic flow detection device (11) is coupled with a control chip (2) used for processing and detecting flow data, the control chip (2) is coupled with an NB-IoT wireless communication module (21) used for transmitting the flow data to a water supply plant terminal, and the control chip (2) and the NB-IoT wireless communication module (21) are electrically connected with a power supply module (22).

2. The NB-IOT based nonmagnetic water meter as set forth in claim 1, wherein: the control chip (2) and the NB-IoT wireless communication module (21) are fixedly connected with a protective shell (3) on the outer side wall.

3. The NB-IOT based nonmagnetic water meter as set forth in claim 2, wherein: protection casing (3) one side is rotated and is connected with closing cap (31), protection casing (3) are located its and closing cap (31) laminating department and rotate ladder face (34) that are connected with and closing cap (31) looks adaptation, one side that closing cap (31) rotated the junction is kept away from in protection casing (3) is slided and is connected with locking pole (4), locking pole (4) lateral wall is provided with driving lever (41) that are used for stirring locking pole (4), ladder face (34) are laminated in locking pole (4) end wall be provided with on the surface and supply locking pole (4) to insert locking hole (343) of establishing.

4. The NB-IOT based nonmagnetic water meter as set forth in claim 3, wherein: the locking rod (4) is connected with one end of the closing cover (31) in a sliding manner and is provided with an abutting spring (42).

5. The NB-IOT based nonmagnetic water meter as set forth in claim 4, wherein: and one end of the locking rod (4) far away from the abutting spring (42) is provided with a guide surface (43).

6. The NB-IOT based nonmagnetic water meter as set forth in claim 3, wherein: and a sealing rubber ring (311) is arranged on the surface, which is attached to the stepped surface (34), of the surface wall of the closing cover (31).

7. The NB-IOT based nonmagnetic water meter as set forth in claim 2, wherein: the protection casing (3) top surface is provided with transparent plate (32), the inside transparent plate (32) bottom that is located of protection casing (3) is provided with display device (321) that are used for showing flow data and power module (22) residual capacity.

8. The NB-IOT based nonmagnetic water meter as set forth in claim 7, wherein: one side surface of the protective shell (3) far away from the transparent plate (32) is rotatably connected with a hoop (33) used for fixing the protective shell (3) on the pipeline (1).