Valve control prepayment intelligent remote water meter

Abstract

The utility model belongs to the technical field of water meters, and particularly relates to a valve-controlled prepayment intelligent remote water meter which comprises a device body, a water meter control device and a water meter control device. The valve control switch connecting piece is located at the bottom of the device body; the valve control switch connecting piece is connected with a valve control switch, and the valve control switch is driven by a valve motor. The circuit board is arranged in the device body; the power supply is arranged at the top of the device body and located below the separation cover; the power supply is connected with the circuit board; the circular containing hole is formed in the device body and located below the turning cover. On the basis of a traditional remote water meter, the prepaid water fee metering function is added, and the valve control switch can be switched in time according to arrearage / water fee payment of a user, so that an additional intelligent effect is achieved on the basis of the remote water meter, and the remote water meter has good market application prospects.

Description

Technical Field

[0001] This utility model belongs to the field of water meter technology, specifically relating to a valve-controlled prepaid smart remote water meter. Background Technology

[0002] A water meter is an instrument that measures water flow, mostly cumulative flow. Accurately reading water meter data helps users calculate water consumption and costs. Wireless remote water meters are a type of remote water meter used for meter reading and control, classifying and processing the collected data to perform various complex tasks previously done manually.

[0003] Traditional remote water meters typically only have remote reading capabilities, failing to meet other user needs and thus having certain limitations. Therefore, this invention, based on the traditional remote water meter, adds a prepaid water bill metering function. It can promptly switch the valve control switch based on the user's outstanding / paid water bills, thereby achieving additional intelligent features on top of the traditional remote water meter functionality.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide a valve-controlled prepaid smart remote water meter that can switch the valve control switch in a timely manner according to the user's arrears / payment of water fees.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] Valve-controlled prepaid smart remote water meters include:

[0008] The main body of the device has a flip cover and a detachable cover on top;

[0009] A valve-controlled switch is located at the bottom of the device body and is driven by a valve motor.

[0010] A circuit board is disposed inside the main body of the device;

[0011] A power supply is located on the top of the device body, below the separation cover; the power supply is connected to the circuit board.

[0012] A circular receiving hole is formed inside the device body, located below the flip cover.

[0013] As preferred, the device body is internally provided with a remote control module, an abnormality early warning module and a stepped water price execution module; the remote control module is used for realizing remote valve opening and closing and remote meter reading; the abnormality early warning module has attack prevention and water leakage detection functions, and automatically closes the valve and records information when encountering abnormality; the stepped water price execution module is internally provided with a charging module, and is used for automatically calculating the stepped water price according to water consumption.

[0014] As preferred, the device body is internally provided with a flow sensor, which is used for accumulating water consumption.

[0015] As preferred, the circuit board integrates a microprocessor, a communication module, a metering module and a valve control driving circuit, and is used for processing water consumption data, prepayment account information, receiving / sending control instructions and realizing encrypted communication, data storage and abnormality detection.

[0016] As preferred, the power supply adopts a 3.6V high-power lithium battery, which is used for supplying power to the circuit board and the valve motor.

[0017] As preferred, the device body is internally provided with a flow sensor, which is used for accumulating water consumption.

[0018] As preferred, the device body is internally provided with a flow sensor, which is used for accumulating water consumption.

[0019] Compared with the prior art, the utility model has following beneficial effect: the valve control prepayment intelligent remote water meter of the utility model increases additional intelligent effect on the basis of traditional remote water meter, can realize prepayment water fee metering, and switches valve control switch in time according to user's arrears / water fee payment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the external schematic diagram of the utility model;

[0021] Figure 2 It is the internal schematic diagram of the utility model;

[0022] Figure 3 It is the bottom schematic diagram of the utility model;

[0023] Figure 4 It is the valve control driving circuit diagram of the utility model;

[0024] Figure 5 It is the schematic diagram of water meter and valve connection of the utility model;

[0025] Figure 6 It is the overhead view of valve;

[0026] Figure 7 It is the internal structure schematic diagram of valve.

[0027] Explanation of key figure labels:

[0028] 1. Device body; 2. Flip cover; 3. Separation cover; 4. Viewing window; 5. Protrusion; 6. Shaft seat; 7. Circular receiving hole; 8. Power supply; 9. Circuit board; 10. Valve-controlled switch connector. Detailed Implementation

[0029] The technical solution of this utility model patent will be clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0030] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] See attached document Figures 1-3 The valve-controlled prepaid smart remote water meter includes: a device body 1, a valve-controlled switch connector 10, a circuit board 9, a power supply 8, and a circular receiving hole 7. Among these,

[0033] The valve-controlled switch connector 10 is located at the bottom of the device body 1; the valve-controlled switch connector 10 is connected to the valve-controlled switch, which is driven by a valve motor.

[0034] The device body 1 is equipped with a flip cover 2 and a detachable cover 3 on the top. The flip cover 2 serves as a protective cover for the water meter dial. It can be opened when viewing the display data and closed after daily use or operation. It has the functions of dustproof, waterproof and protecting the internal electronic components.

[0035] The top side of the device body 1 is provided with an axle seat 6, and the end of the flip cover 2 away from the separation cover 3 is hinged to the axle seat 6 through a rotating shaft; the separation cover 3 is provided with a perspective window 4 and a protruding part 5, and the two sides thereof are fixed to the device body 1 through bolts. The protruding part 5 is used for accommodating an induction antenna, and the perspective window 4 is located on the separation cover 3 and mainly provides a position of a touch button, so that a user can trigger the reporting of water meter data by touching the button.

[0036] The circuit board 9 is connected to the power supply 8, and both are arranged inside and at the top of the device body 1 and below the separation cover 3. The circuit board 9 serves as a core control unit, integrates a microprocessor, a communication module, a metering module and a valve control driving circuit, is responsible for processing water consumption data, prepayment account information, receiving / sending control instructions, and can also realize functions such as encrypted communication, data storage and abnormality detection. The power supply 8 adopts a 3.6V high-power lithium battery to supply power to the circuit board 9 and the valve motor, thereby ensuring the power of the valve switch.

[0037] The valve control driving circuit is shown in FIG. 8. Figure 4 The microprocessor MCU is arranged in the central region of the circuit board 9 (PCB board); the power supply 8 is close to the battery interface (the edge of the PCB board) to facilitate power supply wiring; the metering module is close to the installation position of the Hall sensor of the water meter (one side of the PCB board); the communication module (NB-IoT / LoRa) is arranged in the corner of the PCB board and a reserved antenna area; the valve control module is close to the electric ball valve driving interface (the other side of the PCB board); and the display module and the storage module are arranged close to the MCU to shorten the communication wiring.

[0038] The microprocessor MCU controls the working mode of the valve motor through the MO_OPEN and MO_CLOSE ports, the output ends M+ and M- are connected to the power supply of the valve motor, the port MCHK is connected to the current detection pin of the valve motor, an external low-resistance resistor Rs is used to measure the current of the valve motor, and the valve running state is comprehensively judged in combination with the stroke feedback signal of the valve motor.

[0039] In the embodiment, the shape formed by the flip cover 2 and the separation cover 3 is consistent with the top profile of the device body 1, and can well cover the top of the device body 1. The circular accommodating hole 7 is arranged inside the device body 1 and below the flip cover 2, and is mainly used for reserving the position of the water meter base dial. One outwardly protruding mounting plate is arranged on each side of the device body 1 and corresponds to the mounting plate position arranged on each side of the separation cover 3, so that the separation cover 3 and the device body 1 can be locked through bolts.

[0040] The valve control switch is shown in FIG. 9. Figures 5-7 There is a protruding knob above the connection between the valve and the water meter as a valve control switch; the bottom of the valve control switch connecting piece 10 is a concave knob, which is matched with the valve control switch, so that the valve control switch can be driven to rotate under the drive of the valve motor, thereby realizing the opening and closing of the valve.

[0041] The valve control prepayment intelligent remote water meter records water consumption by a mechanical metering mechanism, associates a prepayment account through an electronic control module, and supplies water when a user account balance is sufficient, with the valve remaining in an open state; when the remaining water amount or balance reaches an alarm threshold, the water meter issues a reminder, and the valve is automatically closed to cut off water supply when the balance is depleted; after the user completes a recharge, the valve can be automatically or manually opened to restore water supply. Meanwhile, the water meter also integrates an NB-IoT Internet of Things communication module, which can upload water consumption data and valve status to a water management platform in real time.

[0042] On the basis of a conventional remote water meter, the valve control prepayment intelligent remote water meter of the utility model increases additional intelligent effects, including remote control, abnormal early warning, and stepped water price implementation. Among them, the remote control module supports remote valve opening and closing and remote meter reading by the water department, without the need for manual on-site operation, which can reduce management costs; the abnormal early warning module has attack prevention (strong magnetic / strong electric attack) and water leakage detection functions, and automatically closes the valve and records information when an abnormality is encountered; the stepped water price implementation module has a built-in charging module that can automatically calculate the stepped water price according to water consumption, to guide water conservation.

[0043] The valve control prepayment intelligent remote water meter of the utility model can realize prepayment water metering, and the specific implementation manner is as follows:

[0044] The user recharges online through an APP, WeChat / Alipay, or other platforms, and the funds are synchronized to a cloud account in real time; a flow sensor built in the water meter accumulates water consumption according to precision; the system automatically deducts the cost according to the unit price; and the valve is closed when the balance is zero.

[0045] The valve control prepayment intelligent remote water meter of the utility model can switch the valve control switch in a timely manner according to the user's arrears / payment of water fees, and the valve control switch and the valve switch of the water meter base are matched with each other. When the balance is insufficient, an attack is encountered, or the power is low, the electronic module sends a command to drive the motor to automatically close the valve; after recharging, the water meter detects account updates and automatically opens the valve.

[0046] In addition, the user can trigger the valve opening (after recharging) by the water meter key, and the water platform can also remotely send valve opening and closing instructions through the communication module.

[0047] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of explanation and illustration. These descriptions are not intended to limit the utility model to the precise forms disclosed, and it will be apparent to those skilled in the art that many modifications and variations are possible in light of the above teachings. The purpose of the selection and description of exemplary embodiments is to explain the specific principles of the utility model and its practical applications, so that those skilled in the art can implement and utilize various different exemplary embodiments and various different selections and changes of the utility model. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A valve controlled pre-paid smart remote water meter characterized in that, The utility model relates to a remote control water meter, which comprises: a device body with a flip cover and a separate cover on top; a valve control switch connecting piece at the bottom of the device body, which is connected with a valve control switch driven by a valve motor; a circuit board arranged inside the device body; a power supply arranged at the top of the device body below the separate cover, which is connected with the circuit board; a circular accommodating hole opened in the device body below the flip cover.

2. The valve regulated prepay smart remote water meter of claim 1, wherein, The device body is internally provided with a remote control module, an abnormality early warning module and a ladder water price execution module; the remote control module is used to realize remote switch valve and remote meter reading; the abnormality early warning module has the functions of attack prevention and water leakage detection, and automatically closes the valve and records information when encountering abnormality; the ladder water price execution module is internally provided with a charging module, which is used to automatically calculate the ladder water price according to water consumption.

3. The valve regulated prepay smart remote water meter of claim 1, wherein, The device body is internally provided with a flow sensor for accumulating water consumption.

4. The valve regulated prepay smart remote water meter of claim 1, wherein, The circuit board integrates a microprocessor, a communication module, a metering module and a valve control driving circuit, which is used to process water consumption data, prepayment account information, receive / send control instructions and realize encrypted communication, data storage and abnormality detection.

5. The valve regulated prepay smart remote water meter of claim 1, wherein, The power supply adopts a 3.6V lithium battery, which is used to supply power to the circuit board and the valve motor.

6. The valve regulated prepay smart remote water meter of claim 1, wherein, The top side of the device body is provided with a shaft seat, which is hinged to the end of the flip cover away from the separate cover through a rotating shaft.

7. The valve regulated prepay smart remote water meter of claim 1, wherein, The separate cover is provided with a perspective window and a protruding part, and its two sides are fixed to the device body through bolts.

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