Wired remote water meter concentrator using CAT1 module
By using a CAT1 module to directly connect to the MBUS bus and combining it with level matching and voltage detection circuits, the problems of resource waste and low transmission efficiency in existing technologies are solved, achieving efficient transmission of water meter data and fault detection, and reducing costs.
Patent Information
- Application Number
- CN202422618987.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The use of MCU chips in existing technologies leads to resource waste and low data transmission efficiency in water meters.
By using a CAT1 module to directly connect to the MBUS bus, combined with a level matching circuit and a voltage detection circuit, the intermediate main control chip is reduced, enabling direct transmission of water meter data and fault detection.
This enabled the effective and timely transmission of water meter data, reducing costs and improving system efficiency.
Smart Images

Figure CN223485239U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of water meter data transmission equipment, specifically to a wired remote water meter concentrator using a CAT1 module. Background Technology
[0002] A Chinese utility model patent with application number 202322647332.6 discloses a wired remote water meter concentrator based on CAT1. It uses an MCU chip as the main control intermediary. Water meter data transmitted via MBUS bus is transmitted to the CAT1 4G communication module via the MCU chip and then transmitted outward. However, in the above structure, an MCU chip is used as the transmission medium, while the CAT1 module also has data transmission capabilities that can be used for water meter data collection and transmission. That is, in the existing solution, there is a problem of wasting resources by using an extra MCU chip. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of the aforementioned background technology by providing a wired remote water meter concentrator that reduces the use of the main control chip, saves resources, lowers costs, and ensures effective and accurate transmission of water meter data.
[0004] To achieve the above objectives, this utility model provides a wired remote water meter concentrator using a CAT1 module, which adopts the following technical solution:
[0005] A wired remote water meter concentrator using a CAT1 module includes a concentrator housing. Inside the concentrator housing is a circuit board for water meter data acquisition and transmission. The circuit board is equipped with a CAT1 module, which is connected to an external power supply circuit. The CAT1 module is also connected to an MBUS bus, which is connected to several wired remote water meters. The CAT1 module is wirelessly connected to a cloud-based backend.
[0006] A further improvement of this utility model of a wired remote water meter concentrator using a CAT1 module is that the external power supply circuit includes an adapter, which is connected to the CAT1 module via a step-down module connected to the circuit board.
[0007] A further improvement of this utility model of a wired remote water meter concentrator using a CAT1 module is that the CAT1 module is connected to the MBUS bus through a level matching circuit.
[0008] A further improvement of this utility model of a wired remote water meter concentrator using a CAT1 module is that the CAT1 module is connected to a first voltage detection circuit, which is used to detect the voltage of the external power supply.
[0009] A further improvement of this utility model of a wired remote water meter concentrator using a CAT1 module is that the MBUS bus includes a second voltage detection circuit, which is used to detect the MBUS bus voltage.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] 1. This utility model directly connects to the MBUS bus via a CAT14G communication module and then to a remote water meter, enabling effective and timely transmission of water meter data. Compared with existing technologies, it reduces the need for intermediate main control chips, ensuring functionality while reducing costs.
[0012] 2. This utility model is designed with two sets of voltage detection circuits, which are used to detect the external power supply voltage and the bus voltage respectively. When a fault occurs, it can communicate and report the error in time, thus improving the efficiency of use. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the principle structure of the CAT1 module of this utility model;
[0014] Figure 2 This is a schematic diagram of the principle structure of the external power supply circuit of this utility model;
[0015] Figure 3 This is a schematic diagram of the principle structure of the level matching circuit of this utility model;
[0016] Figure 4 This is a schematic diagram of the principle structure of the MBUS bus of this utility model;
[0017] Figure 5 This is a schematic diagram of the principle structure of the first voltage detection circuit of this utility model;
[0018] Figure 6 This is a schematic diagram of the frame structure of this utility model.
[0019] In the diagram: 1. Second voltage detection circuit. Detailed Implementation
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] like Figures 1 to 6As shown, a wired remote water meter concentrator using a CAT1 module includes a concentrator housing. Inside the housing is a circuit board for water meter data acquisition and transmission. The circuit board houses a CAT1 module, model NT26E. The CAT1 module is connected to an external power supply circuit and also to an MBUS bus. The MBUS bus connects to several wired remote water meter CAT1 modules, which are wirelessly connected to a cloud-based backend.
[0022] Specifically, the external power supply circuit includes an adapter, which is connected to a step-down module on the circuit board via a wired connection and then to the CAT1 module. The CAT1 module is connected to the MBUS bus via a level matching circuit.
[0023] Furthermore, the CAT1 module is connected to a first voltage detection circuit, which is used to detect the external power supply voltage. The MBUS bus includes a second voltage detection circuit, which is used to detect the MBUS bus voltage.
[0024] The CAT1 module is also connected to an indicator light module to display the working status.
[0025] The working principle of this utility model is as follows: an external power supply provides power to the whole system, and the data from the external water meter is transmitted to the CAT14G communication module via wired MBUS bus. The CAT14G communication module directly transmits the collected water meter information data to the external cloud backend.
[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A wired remote water meter concentrator using a CAT1 module, characterized in that, The device includes a concentrator housing, which contains a circuit board for water meter data acquisition and transmission. The circuit board has a CAT1 module connected to an external power supply circuit and an MBUS bus. The MBUS bus is connected to several wired remote water meters, and the CAT1 module is wirelessly connected to a cloud backend.
2. A wired remote water meter concentrator using a CAT1 module according to claim 1, characterized in that, The external power supply circuit includes an adapter, which is connected to the CAT1 module via a step-down module on the circuit board.
3. A wired remote water meter concentrator using a CAT1 module according to claim 2, characterized in that, The CAT1 module is connected to the MBUS bus via a level matching circuit.
4. A wired remote water meter concentrator using a CAT1 module according to claim 3, characterized in that, The CAT1 module is connected to a first voltage detection circuit, which is used to detect the external power supply voltage.
5. A wired remote water meter concentrator using a CAT1 module according to claim 4, characterized in that, The MBUS bus includes a second voltage detection circuit, which is used to detect the MBUS bus voltage.
Citation Information
Patent Citations
CAT1-based wired remote water meter concentrator
CN221151505U