Three-sensor wireless remote water meter

Abstract

The utility model discloses a three-sensor wireless remote water meter, and belongs to the field of wireless water meter equipment. Comprising a water meter body and an electronic remote transmission device installed on the water meter body. Wherein a magnetic needle is installed at the position, corresponding to the synchronous wheel, of the 0.001 L position of the water meter body, and three sensors are arranged around the magnetic needle; every two of the three sensors form a certain included angle, and a single sensor forms a 40-60% duty ratio when the magnetic needle rotates for a circle. The three-sensor wireless remote water meter has the advantages that the three sensors are installed at the specific positions of the water meter body, three sets of forward and reverse rotation metering can be formed, and therefore metering accuracy and reliability are improved. Every two of the three sensors form a certain included angle, a single sensor forms a duty ratio of 40%-60% when the magnetic needle rotates by a circle, and the design can effectively reduce the consistency requirement on the magnetic force of the magnetic needle.

Description

Technical Field

[0001] The utility model relates to a three - sensor wireless remote - transmission water meter, belonging to the field of wireless water meter equipment. Background Technique

[0002] The two - sensor design of the prior art faces multiple challenges in identifying the forward and reverse rotation of the water meter, including having high requirements for the relative structural position of the base meter and the acquisition unit, the consistency of the magnetic force of the magnetic needle, the consistency of the sensor indicators, and the consistency of product welding and assembly. In addition, there is a phenomenon of pulse loss in actual applications, which affects the reliability and accuracy of the system. Content of the Utility Model

[0003] The purpose of the utility model is to provide a three - sensor wireless remote - transmission water meter, which can effectively solve the above - mentioned problems.

[0004] In order to solve the above - mentioned technical problems, the utility model is realized through the following technical solutions:

[0005] It includes a water meter body and an electronic remote - transmission device installed on the water meter body; wherein, a magnetic needle is installed at the 0.001L position of the water meter body 1 corresponding to the synchronous wheel position, and three sensors are arranged around the magnetic needle; the three sensors form a certain included angle with each other, and a single sensor forms a duty cycle of 40% - 60% when the magnetic needle rotates one week.

[0006] Further: The water meter body includes an installation shell and a meter shell, the magnetic needle is arranged on the meter shell and is close to the middle position of the upper end face of the installation shell; an installation block is arranged at the middle position of the upper end face of the installation shell, a circular arc - shaped depression is arranged on the upper end face of the installation block, and the magnetic needle rotates around the central axis of the circle where the circular arc - shaped depression is located; and three installation grooves are arranged on the installation block; the three installation grooves are circumferentially arrayed with the center of the circle where the circular arc - shaped depression is located as the center, and the sensors are installed in the installation grooves.

[0007] Further: The magnetic needle protrudes on the upper end of the meter shell, and a transparent cylindrical shell is covered outside the magnetic needle.

[0008] Further: The electronic remote - transmission device includes an MCU processing unit, and the MCU processing unit is communicatively connected to an information acquisition platform; the communication method adopts an NB communication unit or a wireless gateway.

[0009] The beneficial effects are as follows:

[0010] The present utility model proposes a design of a three-sensor wireless remote transmission water meter. By installing three sensors at specific positions on the water meter body, three groups of forward and reverse measurements can be formed, thereby improving the accuracy and reliability of measurement. The three sensors form a certain angle with each other, and a single sensor forms a duty cycle of 40% to 60% when the magnetic needle rotates one week. This design can effectively reduce the requirement for the consistency of the magnetic force of the magnetic needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] For ease of explanation, the present utility model will be described in detail by the following specific embodiments and accompanying drawings.

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a block diagram of the data transmission process of the electronic remote transmission device of the present utility model.

[0014] Description of the reference numerals in the drawings:

[0015] 1. Water meter body; 2. Magnetic needle; 3. Sensor; 4. Electronic remote transmission device; 5. Installation shell; 6. Meter housing; 7. Installation block; 8. Arc-shaped depression; 9. Transparent cylindrical shell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following details the embodiments of the present utility model, and the examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0017] It should be noted that in the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

[0018] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance.

[0019] Meanwhile, in the description of the present utility model, unless otherwise clearly specified and defined, the terms "connected" and "connected to" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Refer to Figure 1 、 Figure 2 This is an embodiment of a three-sensor wireless remote transmission water meter of the present utility model.

[0021] It includes a water meter body 1 and an electronic remote transmission device 4 installed on the water meter body 1. Among them, a magnetic needle 2 is installed at the position corresponding to the 0.001L position of the water meter body 1, and three sensors 3 are arranged around the magnetic needle 2. The three sensors 3 form a certain angle with each other, and a single sensor 3 forms a duty cycle of 40% - 60% when the magnetic needle 2 rotates one week.

[0022] Refer to Figure 1. The 0.001L position of the water meter usually refers to the smallest volume unit that the water meter can measure, that is, 0.001 liters. This accuracy is usually indicated by the red pointer on the water meter. The rightmost side of the red pointer represents 0.0001, and then to the left are 0.001, 0.01, 0.1, 1, 10, 100, 1000, etc. This representation method helps users accurately read the values on the water meter and ensures the accuracy of measurement.

[0023] The synchronous pulley is a gear group synchronization device in the water meter, used to control the rotation of the magnetic needle 2.

[0024] This design can form three groups of forward and reverse measurements by installing three sensors 3 at specific positions on the water meter body 1, thereby improving the accuracy and reliability of measurement. The three sensors form a certain angle with each other, and a single sensor forms a duty cycle of 40% to 60% when the magnetic needle 2 rotates one week. This design can effectively reduce the requirement for the consistency of the magnetic force of the magnetic needle 2.

[0025] In order to create a specific position to install the three sensors 3, the structure of the water meter body 1 is improved in this device.

[0026] The water meter body 1 includes an installation shell 5 and a meter shell 6. The magnetic needle 2 is arranged on the meter shell 6 and is close to the middle position of the upper end face of the installation shell 5. An installation block 7 is arranged at the middle position of the upper end face of the installation shell 5. An arc-shaped depression 8 is arranged on the upper end face of the installation block 7. The magnetic needle 2 rotates around the central axis of the circle where the arc-shaped depression 8 is located. And three installation grooves are arranged on the installation block 7. The three installation grooves are circumferentially arranged in an array with the center of the circle where the arc-shaped depression 8 is located as the center, and the sensors 3 are installed in the installation grooves.

[0027] In this way, when the magnetic needle 2 rotates, the three sensors 3 can receive the magnetic signal from the magnetic needle 2 without distinction, thereby improving the accuracy of detection. In this device, the normal water meter body 1 does not have a mounting block 7 because the sensor 3 is not provided. The mounting block 7 of this device is designed to install the three sensors 3. At the same time, in order to allow the three sensors 3 to receive the magnetic signal from the magnetic needle 2 without distinction, the upper end surface structure of the mounting block 7 is improved so that a circular arc-shaped recess 8 is formed on the upper end surface of the mounting block 7. The magnetic needle 2 can be placed in the circular arc-shaped recess 8 and rotated around the central axis of the circle where the circular arc-shaped recess 8 is located. In this way, the three sensors 3 can receive the magnetic force from the magnetic needle 2 without distinction.

[0028] The magnetic needle 2 is protrudingly arranged at the upper end of the watch case 6 , and a transparent cylindrical shell 9 is covered on the outside of the magnetic needle 2 .

[0029] The magnetic needle 2 is normally buried in the shell of the watch case 6 and then covered with a transparent glass plate. However, considering that the three sensors 3 receive magnetic signals, the magnetic needle 2 is raised and a transparent cylindrical shell 9 is provided to be raised on the flat glass plate originally on the watch case 6. Therefore, the device requires additional processing of the transparent glass plate, and the transparent glass plate that needs to be processed needs to be provided with an integrally formed transparent cylindrical shell 9.

[0030] See also Figure 2 The electronic remote transmission device 4 includes an MCU processing unit, and the MCU processing unit is communicatively connected to the information collection platform; the communication method adopts a NB communication unit or a wireless gateway.

[0031] The water sampling system of wireless water meters is a water meter data acquisition and monitoring system that uses wireless communication technology. This system usually consists of three parts: intelligent water meters, wireless communication modules, and central management systems. Intelligent water meters have built-in sensors and wireless communication devices that can monitor and transmit water consumption information in real time; the wireless communication module is responsible for establishing a communication link between the water meter and the management system; the central management system is responsible for receiving, processing, and storing this information, and providing users with detailed water consumption reports.

[0032] As for the technical details of wireless communication, the wireless part of the wireless water meter directly communicates with the wireless router collector through 470MHz-510MHz radio frequency. This communication method usually uses pulse water meter and wireless terminal to provide unified power supply, and the meter is designed to add a 3.6Ah 18505 lithium battery for power supply.

[0033] In addition, there are other types of wireless water meter systems, such as wireless water meter acquisition terminals based on NBIoT. Such terminals are mainly used for data acquisition of water meters and flow meters, support wireless NBIoT communication, and can access multiple communication networks. There is also a wireless water meter reading system based on ZigBee technology. This system uses ZigBee wireless transceiver devices to transmit data, does not require dedicated wiring, has a simple system structure, and saves manpower and material resources.

[0034] Generally speaking, the water acquisition system of wireless water meters realizes remote automatic reading and monitoring of water meter data through wireless communication technology, improves the efficiency and accuracy of data acquisition, and also supports the modernization and intelligentization of water resource management.

[0035] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or variations derived therefrom are still within the protection scope of the present utility model.

Claims

1. A three-sensor wireless remote water meter, characterized in that: The invention comprises a water meter body (1) and an electronic remote transmission device (4) installed on the water meter body (1); wherein a magnetic needle (2) is installed at a position of a synchronous wheel corresponding to the 0.001L position of the water meter body (1), and three sensors (3) are arranged around the magnetic needle (2); the three sensors (3) are arranged at an angle to each other, and a single sensor (3) forms a duty cycle of 40% to 60% when the magnetic needle (2) rotates one circle.

2. The three-sensor wireless remote water meter according to claim 1 is characterized by: The water meter body (1) comprises a mounting shell (5) and a meter case (6); the magnetic needle (2) is arranged on the meter case (6) and is close to the middle position of the upper end surface of the mounting shell (5); a mounting block (7) is arranged at the middle position of the upper end surface of the mounting shell (5); a circular arc-shaped recess (8) is arranged on the upper end surface of the mounting block (7); the magnetic needle (2) rotates about the central axis of the circle where the circular arc-shaped recess (8) is located; and three mounting grooves are arranged on the mounting block (7); the three mounting grooves are arranged in a circular array with the center of the circle where the circular arc-shaped recess (8) is located as the center, and the sensor (3) is mounted in the mounting groove.

3. The three-sensor wireless remote water meter according to claim 2 is characterized by: The magnetic needle (2) is protrudingly arranged on the upper end of the watch case (6), and a transparent cylindrical shell (9) is provided outside the magnetic needle (2).

4. The three-sensor wireless remote water meter according to claim 1 is characterized by: The electronic remote transmission device (4) comprises an MCU processing unit, and the MCU processing unit is communicatively connected to an information collection platform; the communication method adopts a NB communication unit or a wireless gateway.

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