阅读说明：本技术 Nb-iot物联网阀控立式水表 (NB-IOT (network b-internet of things) valve control vertical water meter ) 是由 范耀荣 瞿龙辉 于 2019-11-18 设计创作，主要内容包括：本发明涉及一种NB-IOT物联网阀控立式水表。包括基表；基表包括基表壳及机心套件；基表壳的内部设有机心容纳腔,基表壳中还设有进水管和出水管；机心套件包括机心传动组件及机心表盘；基表还包括透明罩；该水表还包括外壳、阀控装置、及电路板组件；外壳上设有查看窗口、以及翻盖组件；翻盖组件包括一对销轴件、及保护翻盖；保护翻盖设有电池仓和通讯电路盒；电池仓包括电池仓体以及电池密封盖；通讯电路盒包括电路盒体、以及电路密封盖。本发明能自主控制或远程控制出水通断,而且该水表中的保护翻盖中集合了电池仓和通讯电路盒,不仅使得水表的整体结构更加的紧凑合理,而且将负责计量的机心套件与电路控制部件分离,实现机电分离,分工合作。(The invention relates to an NB-IOT (network B-Internet of things) valve control vertical water meter. Comprises a base table; the base watch comprises a base watch shell and a movement suite; a movement containing cavity is arranged inside the base meter shell, and a water inlet pipe and a water outlet pipe are also arranged in the base meter shell; the movement external member comprises a movement transmission component and a movement dial; the base watch also comprises a transparent cover; the water meter also comprises a shell, a valve control device and a circuit board component; the shell is provided with a viewing window and a flip component; the flip component comprises a pair of pin shaft elements and a protective flip; the protective flip cover is provided with a battery bin and a communication circuit box; the battery bin comprises a battery bin body and a battery sealing cover; the communication circuit box comprises a circuit box body and a circuit sealing cover. The invention can automatically control or remotely control the on-off of water outlet, and the battery chamber and the communication circuit box are integrated in the protective flip cover in the water meter, so that the whole structure of the water meter is more compact and reasonable, and a movement suite which is responsible for metering is separated from a circuit control component, thereby realizing electromechanical separation and division of work.)

1. The utility model provides a vertical water gauge of NB-IOT thing networking valve accuse which characterized in that: comprises a base table (1); the base meter (1) comprises a base meter shell (11) and a movement suite (12) which is arranged in the base meter shell (11) and is used for measuring water flow;

a movement accommodating cavity (111) is formed in the base case (11), the movement suite (12) is fixedly installed in the movement accommodating cavity (111), and a water inlet pipe (112) communicated between the outside and the bottom of the movement accommodating cavity (111) and a water outlet pipe (113) communicated between the outside and the middle position of the movement accommodating cavity (111) are further arranged in the base case (11); the movement suite (12) comprises a movement transmission assembly (121) at the lower part and a movement dial (122) which is connected with the movement transmission assembly (121) at the upper part and is used for metering and displaying measurement readings; the base watch (1) also comprises a transparent cover (13) which is fixedly covered at an opening above the movement accommodating cavity (111) and can check the measurement reading displayed on the movement dial (122);

the NB-IOT (network of things) valve-controlled vertical water meter further comprises a shell (2) fixedly sleeved on the outer periphery of the upper part of the base meter shell (11), a valve control device (3) which is arranged in the shell (2) and connected with the water outlet pipeline (113) and used for controlling the opening and closing of the water outlet pipeline (113), and a circuit board assembly (5) which is connected with the valve control device (3) and used for controlling the opening and closing work of the valve control device (3); a viewing window (231) for conveniently viewing the movement dial (122) and a flip component (4) which is buckled above the viewing window (231) and is hinged with the shell (2) are arranged at the position, corresponding to the transparent cover (13), on the shell (2);

the flip cover component (4) comprises a pair of pin shaft pieces (41) which are arranged in the shell (2) and extend along the horizontal direction, and a protective flip cover (42) which is rotationally connected to the two pin shaft pieces (41) and covers the transparent cover (13); the shell (2) is provided with a turning groove hole (21) which is used for conveniently protecting the turning cover (42) to realize the up-and-down turning at the position corresponding to the two pin shaft pieces (41);

the middle part of the protective flip cover (42) is provided with a battery compartment (421) and a communication circuit box (422); the battery compartment (421) comprises a battery compartment body (4211) for fixedly mounting a battery (6) and a battery sealing cover (4212) in threaded connection with an opening of the battery compartment body (4211); the communication circuit box (422) comprises a circuit box body (4221) which is opened towards the bottom of the protective turnover cover (42) and used for installing the circuit board assembly (5), and a circuit sealing cover (4222) which is arranged at the opening of the circuit box body (4221) in a sealing mode.

2. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 1, wherein: the base watch case (11) comprises a first case (114) and a second case (115) which are vertically extended and arranged along the longitudinal direction, and a third case (116) which is horizontally connected between the middle positions of the first case (114) and the second case (115); the movement holds chamber (111) and sets up in first casing (114), water inlet (1151) and delivery port (1152) have been seted up to the bottom of second casing (115), inlet tube (113) intercommunication water inlet (1151) on second casing (115) and extend through the inside of third casing (116) and last and the movement on first casing (114) hold chamber (111) and be connected correspondingly, outlet pipe (112) intercommunication delivery port (1152) on second casing (115) and extend through the inside of third casing (116) and last and the movement on first casing (114) hold chamber (111) and be connected correspondingly.

3. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 2, wherein: the shell (2) comprises a bottom plate (22) and a shell cover (23); an annular positioning flange (1141) is arranged on the outer peripheral wall of the first shell (114) in a surrounding mode, the bottom plate (22) is arranged on the upper surface of the second shell (115), an arc-shaped concave portion (221) matched with the outer diameter of the annular positioning flange (1141) is arranged at one longitudinal end of the bottom plate (22), and a sleeving through hole (222) matched with the outer diameter of the water outlet pipe (112) is formed in the other longitudinal end of the bottom plate (22); the sleeve joint through hole (222) is sleeved on the water outlet pipe (112) and is connected with the annular positioning flange (1141) in a positioning matching way through the arc-shaped concave part (221);

the outer shell cover (23) is fixedly connected with the bottom plate (22), and the outer shell cover (23) covers the upper peripheries of the first shell (114) and the second shell (115).

4. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 1, wherein: the valve control device (3) comprises a ball valve (31) and a valve control driving device (32); the ball valve (31) comprises a tubular valve body (311) with a pipe orifice at one end in threaded connection with a water outlet (1152) of the water outlet pipe (113), a sphere center (312) rotatably connected in the valve body (311), two groups of sealing rings (313) fixedly arranged in the valve body (311) and respectively arranged at the upper end and the lower end of the sphere center (312), and a valve rod (314) which is fixedly connected with the sphere center (312) and horizontally extends out of the valve body (311) and is used for driving the sphere center (312) to open and close; the valve rod (314) is connected with an output shaft of a motor of the valve control driving device (32), and a pipe orifice at the other end of the valve body (311) extends upwards out of the shell (2).

5. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 1, wherein: and a silica gel cover (4223) positioned between the circuit board assembly (5) and the circuit sealing cover (4222) is further arranged in the communication circuit box (422) and is used for sealing and waterproofing.

6. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 1, wherein: the outer peripheral wall of the base watchcase (11) is also provided with a pair of lug positioning platforms (117) which are connected with the two transverse sides of the base watchcase (11) and extend along the transverse direction, and the lug positioning platforms (117) are provided with lower connecting threaded holes (1171) which penetrate through the lug positioning platforms (117) from top to bottom; a plurality of vertically extending upper connecting counterbores (24) corresponding to the positions of the lower connecting threaded holes (1171) of the two lug positioning platforms (117) are distributed on the shell (2), and the shell (2) and the base surface shell (11) are fixed by connecting screws which penetrate through the upper connecting counterbores (24) from top to bottom and are fixedly connected with the lower connecting threaded holes (1171) of the boss positioning platforms (112); the upper end of the slotted hole of each upper connecting counter bore (24) is also plugged with a cylindrical hole plug (241) for preventing disassembly.

7. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 1, wherein: the circuit board assembly (5) includes: the system comprises an MCU main control module, an NB-IOT wireless transmission module, an antenna module and a power supply module;

the NB-IOT (network b of things) valve control vertical water meter further comprises a magnetic or non-magnetic signaling ring, wherein the magnetic or non-magnetic signaling ring is respectively connected with the MCU main control module and the movement dial (122) and is used for receiving a synchronous pulse signal output by the movement dial (122), carrying out forward and reverse judgment, and then processing a water flow electric signal to output to the MCU main control module;

the following steps:

the MCU master control module is connected with the magnetic or non-magnetic signaling ring and used for receiving the water flow electric signals output by the magnetic or non-magnetic signaling ring and performing positive and negative accumulation calculation;

the NB-IOT wireless transmission module is respectively connected with the MCU main control module and the antenna module and is used for receiving the water flow information output by the MCU main control module, converting the water flow information into a transmission signal and outputting the transmission signal to the antenna module;

the antenna module is respectively connected with the NB-IOT wireless transmission module and the remote platform and is used for receiving the transmission signal output by the NB-IOT wireless transmission module and transmitting the transmission signal to the remote platform;

and the power supply module is connected with the MCU master control module and used for supplying power to the MCU master control module.

8. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 7, wherein: the circuit board assembly (121) further comprises a valve control circuit module which is connected with the MCU main control module and used for controlling the opening and closing functions of the valve control device (3) through autonomous early warning control or receiving remote platform instructions.

9. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 7, wherein: the circuit board assembly (121) further comprises an SIM card module which is connected with the MCU master control module and used for matching the ID of the user account.

10. The NB-IOT internet-of-things valve-controlled vertical water meter according to claim 7, wherein: the circuit board assembly (121) further comprises an external storage module, and the external storage module is connected with the MCU main control module and used for storing monthly timing meter reading data and running logs.

Technical Field

The invention relates to the field of water meters, in particular to an NB-IOT (network b-internet of things) valve control vertical water meter.

Background

Along with social progress, city intellectualization is promoted, environmental protection requirements, leakage treatment and deep application of the Internet of things are met, the intelligent water meter is more and more widely applied, the regional prepayment function and IOT platform management requirements are met, and water charge is normally operated; however, when some emergency situations occur, such as pipe burst, water leakage and water pollution of a user, the existing intelligent water meter cannot automatically or forcibly turn off the water source entering the household in time, and cannot ensure the timely success of a plan and the safety of the civil life. And the battery compartment and the communication circuit box of the existing water meter are equally divided, so that the structure of the water meter is complicated.

Disclosure of Invention

The invention aims to: the water meter has the advantages of high efficiency, convenience and safety in installation and maintenance, and the battery bin and the communication circuit box are integrated in the protection flip cover in the water meter, so that the battery and the circuit board assembly can be installed in the protection flip cover, the integral structure of the water meter is more compact and reasonable, a machine core kit responsible for metering is separated from a circuit control component, electromechanical separation is realized, and the mutual influence can be avoided.

The invention is realized by the following technical scheme: the utility model provides a vertical water gauge of NB-IOT thing networking valve accuse which characterized in that: comprises a base table; the base meter comprises a base meter shell and a movement suite which is arranged in the base meter shell and is used for measuring water flow;

a machine core accommodating cavity is formed in the base case, the machine core suite is fixedly arranged in the machine core accommodating cavity, and a water inlet pipe communicated between the outside and the bottom of the machine core accommodating cavity and a water outlet pipe communicated between the outside and the middle position of the machine core accommodating cavity are further arranged in the base case; the machine core external member comprises a machine core transmission assembly at the lower part and a machine core dial plate which is connected with the machine core transmission assembly at the upper part and is used for metering and displaying measurement readings; the base watch also comprises a transparent cover which is fixedly covered at an opening above the movement accommodating cavity and can check the measurement reading displayed on the movement dial plate;

the NB-IOT (network of things) valve-controlled vertical water meter further comprises a shell fixedly sleeved on the periphery of the upper part of the base meter shell, a valve control device which is arranged in the shell and connected with the water outlet pipeline and used for controlling the opening or closing of the water outlet pipeline, and a circuit board assembly which is connected with the valve control device and used for controlling the opening and closing of the valve control device; a viewing window for conveniently viewing the movement dial plate and a flip component buckled above the viewing window and hinged with the shell are arranged at the position, corresponding to the transparent cover, on the shell;

the flip cover component comprises a pair of pin shaft pieces which are arranged in the shell and extend along the horizontal direction, and a protective flip cover which is rotationally connected to the two pin shaft pieces and covers the transparent cover; the shell is provided with a turnover slot hole which is used for conveniently protecting the turnover cover to realize vertical turnover at the position corresponding to the two pin shaft elements;

the middle part of the protective flip cover is provided with a battery bin and a communication circuit box; the battery bin comprises a battery bin body for fixedly mounting a battery and a battery sealing cover in threaded connection with an opening of the battery bin body; the communication circuit box comprises a circuit box body which is opened towards the bottom of the protective flip cover and used for installing a circuit board assembly, and a circuit sealing cover which is arranged at the opening of the circuit box body. Wherein the circuit sealing cover and the circuit box body can be connected through a hidden button arranged between the circuit sealing cover and the circuit box body in a matching way, and a circuit communicating groove for facilitating the circuit connection of the circuit board assembly and the valve control device is reserved in the circuit box body.

Preferably, the base case comprises a first case and a second case which are vertically extended and arranged along the longitudinal direction, and a third case which is horizontally connected between the middle positions of the first case and the second case; the movement holds the chamber and sets up in first casing, the water inlet has been seted up to the bottom of second casing and the delivery port has been seted up at the top, the water inlet on the inlet tube intercommunication second casing extends the inside of third casing and holds the chamber corresponding connection with the movement on the first casing at last, the delivery port on the outlet pipe intercommunication second casing extends the inside of third casing and holds the chamber corresponding connection with the movement on the first casing at last.

Preferably, the housing comprises a base plate and a housing cover; the outer peripheral wall of the first shell is provided with an annular positioning flange in a surrounding mode, the bottom plate is arranged on the upper surface of the second shell, one longitudinal end of the bottom plate is provided with an arc-shaped concave part matched with the outer diameter of the annular positioning flange, and the other longitudinal end of the bottom plate is provided with a sleeve through hole matched with the outer diameter of the water outlet pipe; the sleeve-joint through hole is sleeved on the water outlet pipe and is connected with the annular positioning flange in a positioning matching way through the arc-shaped concave part;

the outer housing cover is fixedly connected with the bottom plate, and the outer housing cover is arranged on the periphery of the upper parts of the first housing and the second housing. Wherein the outer shell cover and the bottom plate can be connected through a hidden buckle arranged between the outer shell cover and the bottom plate in a matching way and are locked and fixed by a screw connected between the outer shell cover and the bottom plate from bottom to top.

Preferably, the valve control device comprises a ball valve and a valve control driving device; the ball valve comprises a tubular valve body, a ball center, two groups of sealing rings and a valve rod, wherein a pipe orifice at one end of the tubular valve body is in threaded connection with a water outlet of the water outlet pipe, the ball center is rotatably connected in the valve body, the two groups of sealing rings are fixedly arranged in the valve body and are respectively arranged at the upper end and the lower end of the ball center, and the valve rod is fixedly connected with the ball center and horizontally extends out of the valve body and is used; the valve rod is connected with the output shaft of the motor of the valve control driving device, and the pipe orifice at the other end of the valve body extends upwards out of the shell.

Preferably, a silicone cover positioned between the circuit board assembly and the circuit sealing cover is further arranged in the communication circuit box and used for playing a role in sealing and waterproofing.

Preferably, the peripheral wall of the base watchcase is further provided with a pair of lug positioning platforms which are connected to two lateral sides of the base watchcase and extend along the lateral direction, and the lug positioning platforms are provided with lower connecting threaded holes which penetrate through the lug positioning platforms from top to bottom; a plurality of vertically extending upper connecting counter bores corresponding to the positions of the lower connecting threaded holes of the two lug positioning platforms are distributed on the shell, and the shell and the base surface shell are fixed by connecting screws which penetrate through the upper connecting counter bores from top to bottom and are fixedly connected with the lower connecting threaded holes of the lug positioning platforms; the upper end of each slotted hole connected with the counter bore is plugged with a cylindrical hole plug for preventing disassembly.

Preferably, the circuit board assembly comprises: the system comprises an MCU main control module, an NB-IOT wireless transmission module, an antenna module and a power supply module;

the NB-IOT (network b of things) valve control vertical water meter also comprises a magnetic or non-magnetic transmitting ring, wherein the magnetic or non-magnetic transmitting ring is respectively connected with the MCU main control module and the movement dial plate, and is used for receiving a synchronous pulse signal output by the movement dial plate, performing forward and reverse judgment, and then processing a water flow electric signal to output to the MCU main control module;

the following steps:

the MCU master control module is connected with the magnetic or non-magnetic signaling ring and used for receiving the water flow electric signals output by the magnetic or non-magnetic signaling ring and performing positive and negative accumulation calculation;

the NB-IOT wireless transmission module is respectively connected with the MCU main control module and the antenna module and is used for receiving the water flow information output by the MCU main control module, converting the water flow information into a transmission signal and outputting the transmission signal to the antenna module;

the antenna module is respectively connected with the NB-IOT wireless transmission module and the remote platform and is used for receiving the transmission signal output by the NB-IOT wireless transmission module and transmitting the transmission signal to the remote platform;

and the power supply module is connected with the MCU master control module and used for supplying power to the MCU master control module.

Preferably, the circuit board assembly further comprises a valve control circuit module, which is connected with the MCU main control module and used for controlling the switching function of the valve control device by autonomous early warning control or receiving a remote platform command.

Preferably, the circuit board assembly further comprises a SIM card module connected to the MCU master control module and configured to match the user account ID.

Preferably, the circuit board assembly further comprises an external storage module, which is connected with the MCU main control module and used for storing monthly timing meter reading data and running logs.

Preferably, the circuit board assembly further comprises an infrared circuit module, which is connected with the MCU main control module and used for communicating with a special handset to maintain the encrypted data of the water meter in the near field.

Preferably, the circuit board assembly further comprises an alarm module connected with the MCU main control module and used for realizing strong magnetic alarm, cover opening alarm, water soaking alarm, continuous small flow alarm, continuous overflowing alarm, reverse flow alarm and other alarms.

Compared with the prior art, the invention has the beneficial effects that:

1. the NB-IOT (network side of things) valve-controlled vertical water meter provided by the invention can automatically control or remotely control the on-off of water outlet by matching the circuit board assembly and the valve control device, has the advantages of high efficiency, convenience and safety in installation and maintenance, and the battery bin and the communication circuit box are integrated in the protection flip cover in the water meter, so that the battery and the circuit board assembly can be installed in the protection flip cover, the integral structure of the water meter is more compact and reasonable, a core set responsible for metering is separated from a circuit control component, the electromechanical separation is realized, the division of work and cooperation are realized, and the mutual influence can be avoided.

2. The protective flip cover plays the roles of preventing dust and protecting the base watch in a closed state, and can conveniently check the cubic number of the base watch displayed on the movement dial when the protective flip cover is opened upwards.

3. The shell comprises a bottom plate and a shell cover, wherein the bottom plate is arranged on the upper surface of the second shell, the sleeving through hole is sleeved on the water outlet pipe, and the arc-shaped concave part is connected with the annular positioning flange in a positioning matching manner; and the shell cover can be fixedly connected with the bottom plate through a buckle and a screw, so that the accurate matching, positioning and installation of the shell are achieved.

4. The communication circuit box is also provided with a silica gel cover positioned between the circuit board assembly and the circuit sealing cover and used for sealing and waterproofing.

5. In the invention, the upper end of each slotted hole connected with the counter bore is plugged with a cylindrical hole plug, so that the anti-dismantling effect of the water meter is further enhanced.

6. The protection flip cover and the base meter are separated electromechanically, work division and cooperation are achieved, the base meter is in charge of metering, the circuit board assembly is in charge of wireless meter reading, the base meter can still conduct normal metering even if the circuit board assembly works abnormally, a water department can provide a metering basis for arbitration when disputes occur between the water department and a user, the circuit board assembly has interchangeability, and user parameters can be configured in a near field mode after replacement, namely mechanical base meter metering and NB-IOT communication are separated.

7. The circuit board assembly can autonomously early-warn and control or receive a platform instruction to control the drive valve control device, can issue a valve closing instruction through the remote platform when a user defaults or a water quality pollution civil disaster plan is given, closes the ball valve, can block the valve according to the expected scale prevention, and periodically tests the opening and closing functions of the ball valve;

8. the invention also has the advantages of simple separation structure, good use performance of the assembly process, convenient and reliable water flow control of the valve, good anti-dismounting and anti-theft effects, high intelligent level, easy popularization and application, particular suitability for the installation and use of the vertical water pipe and the like.

Drawings

FIG. 1 is a first three-dimensional structure of the present invention;

FIG. 2 is a schematic diagram of a three-dimensional structure of the present invention;

FIG. 3 is a schematic vertical cross-sectional view of the present invention;

FIG. 4 is a schematic three-dimensional structure of a valve control device and a base table according to the present invention;

FIG. 5 is a vertical cross-sectional view of FIG. 4;

FIG. 6 is a schematic three-dimensional structure of the movement kit according to the present invention;

FIG. 7 is a schematic three-dimensional view of a base case of the present invention;

FIG. 8 is a vertical cross-sectional view of FIG. 7;

FIG. 9 is an exploded view of the valve control assembly, base gauge and housing of the present invention;

fig. 10 is an exploded view of a flip cover assembly in accordance with the present invention;

fig. 11 is an exploded view of the flip assembly of the present invention;

FIG. 12 is a schematic three-dimensional structure of a base table and a base plate according to the present invention;

FIG. 13 is a schematic three-dimensional structure of the base plate of the present invention;

FIG. 14 is a schematic three-dimensional structure of the present invention with the protective cover removed;

FIG. 15 is a top view of the present invention with the protective cover removed;

FIG. 16 is a cross-sectional view A-A of FIG. 15;

FIG. 17 is a first three-dimensional view of the housing shell of the present invention;

FIG. 18 is a second schematic three-dimensional view of the housing cover of the present invention;

FIG. 19 is a functional block diagram of a circuit board assembly of the present invention;

FIG. 20 is a schematic circuit diagram of an MCU master control module in the circuit board assembly of the present invention;

FIG. 21 is a schematic circuit diagram of an NB-IOT wireless transmission module in a circuit board assembly of the present invention;

fig. 22 is a schematic circuit diagram of an antenna module in the circuit board assembly of the present invention;

FIG. 23 is a schematic circuit diagram of a circuit board assembly of the present invention with or without a magnetic signaling coil;

FIG. 24 is a schematic circuit diagram of an infrared circuit module in the circuit board assembly of the present invention;

FIG. 25 is a schematic circuit diagram of a power module in the circuit board assembly of the present invention;

FIG. 26 is a schematic circuit diagram of a SIM card module in the circuit board assembly of the present invention;

FIG. 27 is a schematic circuit diagram of an external memory module in the circuit board assembly of the present invention;

fig. 28 is a schematic circuit diagram of a valve control driving module in the circuit board assembly of the present invention.

Description of reference numerals: 1-base watch, 11-base watch case, 111-movement containing cavity, 112-water inlet pipe, 113-water outlet pipe, 114-first case, 1141-annular positioning flange, 115-second case, 1151-water inlet, 1152-water outlet, 116-third case, 117-lug positioning platform, 1171-lower connecting threaded hole, 12-movement suite, 121-movement transmission component, 122-movement dial, 13-transparent cover, 2-shell, 21-turnover slotted hole, 22-bottom plate, 221-arc concave part, 222-socket through hole, 23-shell cover, 231-viewing window, 24-connecting counter hole, 241-cylindrical hole plug, 3-valve control device, 31-ball valve, 311-valve body, 312-ball center, 313-sealing ring, 314-valve rod, 32-valve control driving device, 4-flip component, 41-pin shaft component, 42-protection flip, 421-battery bin, 4211-battery bin body, 4212-battery sealing cover, 422-communication circuit box, 4221-circuit box body, 42211-circuit communicating groove, 4222-circuit sealing cover, 4223-silica gel cover, 5-circuit board component and 6-battery.

Detailed Description

The invention is described in detail below with reference to the following description of the drawings:

as shown in fig. 1 to 28, the invention relates to an NB-IOT internet of things valve-controlled vertical water meter, which is characterized in that: including base table 1; the base watch 1 comprises a base watch shell 11 and a movement suite 12 which is arranged in the base watch shell 11 and is used for measuring water flow;

a movement accommodating cavity 111 is formed in the base watch case 11, the movement suite 12 is fixedly installed in the movement accommodating cavity 111, and a water inlet pipe 112 communicated between the outside and the bottom of the movement accommodating cavity 111 and a water outlet pipe 113 communicated between the outside and the middle of the movement accommodating cavity 111 are further arranged in the base watch case 11; the movement suite 12 comprises a lower movement transmission assembly 121 and an upper movement dial 122 connected with the movement transmission assembly 121 and used for metering and displaying measurement readings; the base watch 1 further comprises a transparent cover 13 which is fixedly covered at an opening above the movement accommodating cavity 111 and can check the measurement reading displayed on the movement dial 122;

the NB-IOT (network of things) valve-controlled vertical water meter further comprises a shell 2 fixedly sleeved on the outer periphery of the upper part of the base shell 11, a valve control device 3 which is arranged in the shell 2 and connected with the water outlet pipeline 113 and used for controlling the opening or closing of the water outlet pipeline 113, and a circuit board assembly 5 which is connected with the valve control device 3 and used for controlling the valve control device 3 to work in a switching mode; a viewing window 231 for conveniently viewing the movement dial 122 and a flip component 4 buckled above the viewing window 231 and hinged with the shell 2 are arranged at the position, corresponding to the transparent cover 13, on the shell 2;

the flip cover assembly 4 comprises a pair of pin shaft members 41 which are arranged in the housing 2 and extend along the horizontal direction, and a protective flip cover 42 which is rotatably connected to the two pin shaft members 41 and covers the transparent cover 13; the shell 2 is provided with a turning slot 21 for conveniently protecting the turning cover 42 to realize the up-and-down turning at the position corresponding to the two pin shaft elements 41;

the middle part of the protective flip 42 is provided with a battery compartment 421 and a communication circuit box 422; the battery chamber 421 comprises a battery chamber 4211 for fixedly installing the battery 6 and a battery sealing cover 4212 which is in threaded connection with an opening of the battery chamber 4211; the communication circuit box 422 comprises a circuit box 4221 which is opened towards the bottom of the protective flip 42 and is used for installing the circuit board assembly 5, and a circuit sealing cover 4222 which is arranged at the opening of the circuit box 4221 in a sealing manner. The circuit sealing cover 4222 and the circuit box 4221 can be connected through a hidden button arranged between the circuit sealing cover and the circuit box 4221 in a matching mode, as shown in fig. 10-11, a circuit communicating groove 42211 for facilitating circuit connection of the circuit board assembly 5 and the valve control device 3 is reserved in the circuit box 4221.

As shown in fig. 1 to 9, preferably, base case 11 includes first case 114 and second case 115 extending vertically and arranged in the longitudinal direction, and third case 116 connected horizontally between the middle positions of first case 114 and second case 115; the movement accommodating cavity 111 is disposed in the first casing 114, a water inlet 1151 and a water outlet 1152 are disposed at the bottom of the second casing 115, the water inlet pipe 113 is communicated with the water inlet 1151 of the second casing 115 and extends through the inside of the third casing 116 to be finally connected with the movement accommodating cavity 111 of the first casing 114 correspondingly, and the water outlet pipe 112 is communicated with the water outlet 1152 of the second casing 115 and extends through the inside of the third casing 116 to be finally connected with the movement accommodating cavity 111 of the first casing 114 correspondingly.

As shown in fig. 1-9 and 12-18, preferably, the housing 2 includes a bottom plate 22 and a housing cover 23; the outer peripheral wall of the first shell 114 is provided with an annular positioning flange 1141 in a surrounding manner, the bottom plate 22 is arranged on the upper surface of the second shell 115, one longitudinal end of the bottom plate 22 is provided with an arc-shaped concave part 221 matched with the outer diameter of the annular positioning flange 1141, and the other longitudinal end of the bottom plate 22 is provided with a sleeve through hole 222 matched with the outer diameter of the water outlet pipe 112; the sleeve-joint through hole 222 is sleeved on the water outlet pipe 112 and is connected with the annular positioning flange 1141 in a positioning matching manner through the arc-shaped concave part 221;

the outer housing cover 23 is fixedly connected to the bottom plate 22, and the outer housing cover 23 covers the upper peripheries of the first housing 114 and the second housing 115. Wherein the shell cover 23 and the bottom plate 22 can be connected by a hidden buckle arranged between the two and locked by a screw connected between the two from bottom to top.

As shown in fig. 4-5, preferably, the valve control means 3 comprises a ball valve 31, and a valve control drive means 32; the ball valve 31 comprises a tubular valve body 311 with one end connected with the water outlet 1152 of the water outlet pipe 113 through a pipe orifice thread, a ball center 312 rotationally connected in the valve body 311, two groups of sealing rings 313 fixedly arranged in the valve body 311 and respectively arranged at the upper end and the lower end of the ball center 312, and a valve rod 314 fixedly connected with the ball center 312 and horizontally extending out of the valve body 311 for driving the ball center 312 to open and close; the valve rod 314 is connected with the output shaft of the motor of the valve control driving device 32, and the pipe orifice at the other end of the valve body 311 extends upwards out of the shell 2.

As shown in fig. 11 to 12, a silicone cover 4223 is preferably further disposed in the communication circuit box 422 between the circuit board assembly 5 and the circuit sealing cover 4222 for sealing and waterproofing.

As shown in fig. 15 to 16, preferably, the outer peripheral wall of base case 11 is further provided with a pair of lug positioning platforms 117 connected to both lateral sides of base case 11 and extending in the lateral direction, and lower connecting screw holes 1171 penetrating lug positioning platforms 117 from top to bottom are provided in lug positioning platforms 117; a plurality of vertically extending upper connecting counterbores 24 corresponding to the lower connecting threaded holes 1171 of the two lug positioning platforms 117 are distributed on the shell 2, and the shell 2 and the base surface shell 11 are fixed by connecting screws which penetrate through the upper connecting counterbores 24 from top to bottom and are fixedly connected with the lower connecting threaded holes 1171 of the boss positioning platforms 112; a cylindrical plug 241 for tamper-proofing is also plugged into the upper end of the slot bore in each upper connecting counterbore 24.

As shown in fig. 19 to 27, preferably, the circuit board assembly 5 includes: the system comprises an MCU main control module, an NB-IOT wireless transmission module, an antenna module and a power supply module;

the NB-IOT (network b of things) valve control vertical water meter further comprises a magnetic or non-magnetic transmitting ring, wherein the magnetic or non-magnetic transmitting ring is respectively connected with the MCU main control module and the movement dial 122, and is used for receiving a synchronous pulse signal output by the movement dial 122, performing forward and reverse judgment, processing a water flow electric signal and outputting the water flow electric signal to the MCU main control module;

the following steps:

the MCU master control module is connected with the magnetic or non-magnetic signaling ring and used for receiving the water flow electric signals output by the magnetic or non-magnetic signaling ring and performing positive and negative accumulation calculation;

the NB-IOT wireless transmission module is respectively connected with the MCU main control module and the antenna module and is used for receiving the water flow information output by the MCU main control module, converting the water flow information into a transmission signal and outputting the transmission signal to the antenna module;

the antenna module is respectively connected with the NB-IOT wireless transmission module and the remote platform and is used for receiving the transmission signal output by the NB-IOT wireless transmission module and transmitting the transmission signal to the remote platform;

and the power supply module is connected with the MCU master control module and used for supplying power to the MCU master control module.

Preferably, the circuit board assembly 121 further includes a valve control circuit module, connected to the MCU main control module, and configured to autonomously perform early warning control or receive a remote platform command to control the opening and closing functions of the valve control device 3.

Preferably, the circuit board assembly 121 further includes a SIM card module, connected to the MCU main control module, for matching the user account ID.

Preferably, the circuit board assembly 121 further includes an external storage module, connected to the MCU main control module, and configured to store monthly timing data and running log.

Preferably, the circuit board assembly 121 further includes an infrared circuit module, connected to the MCU main control module, and configured to communicate with a special handset to maintain encrypted data of the water meter in the near field.

Preferably, the circuit board assembly 121 further includes an alarm module connected to the MCU main control module for implementing strong magnetic alarm, lid opening alarm, water soaking alarm, continuous small flow alarm, continuous overflow alarm, reverse flow alarm, and the like.

While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be in any way limited except by the appended claims and their equivalents.