Electric energy meter information reading device
By designing an energy meter information reading device containing Bluetooth and RS485 communication units, the problems of unstable signal and limited communication range of the traditional energy meter information reading device are solved, and stable data interaction and remoteness between the electricity meter and the main station are realized Communication reduces maintenance costs and cabling complexity.
Patent Information
- Application Number
- CN202420815482.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-19
AI Technical Summary
Traditional power meter information reading devices adopt wired communication and power carrier systems, resulting in large wiring investment, high maintenance costs, unstable signal and limited communication range, making it impossible to achieve stable and fast data interaction between the power meter and the main station.
Design an electrical energy meter information reading device, including logic module, power module, downlink communication module and uplink communication module, and uses Bluetooth communication and RS485 communication units to realize automatic table search and data interaction, and supports multiple communication methods such as CAT.1. NB-IoT, 2G, and 4G avoid concentrator forwarding and realize remote communication and fee control.
It realizes stable and fast data interaction between the power meter and the main station, reduces wiring construction, improves communication flexibility and reliability, reduces maintenance costs, and supports remote pull-up and closing control and data reporting.
Smart Images

Figure CN222283420U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric meters, in particular to an electric energy meter information reading device. Background Art
[0002] With the rapid development of Internet of Things technology and the continuous expansion of the Internet of Things market, more and more Internet of Things devices have emerged, and the application scenarios of Internet of Things technology in smart meters are becoming more and more extensive and mature. The traditional way of reading and exchanging information of electric energy meter information is wired communication. The device reads the electric energy meter information through RS485 communication, and then exchanges electricity consumption information with the concentrator through power line carrier. The use of wired communication to read the electric energy meter information not only requires large wiring and investment, but also has high maintenance costs. If the line is slightly damaged, the signal cannot be exchanged. Secondly, the data transmission rate of the power carrier system is slow, and the communication range is limited to one station area. The electric energy meter information must be transferred to the concentrator and then reported to the main station. In addition, the power line is complex in power consumption and the power line load is unbalanced, so it is difficult to ensure stability. At the same time, since the power carrier must use a specific network, it has great limitations. The patent document with application number 201710719397.3 discloses an Internet of Things single-point data acquisition device, which cannot solve the above problems. Therefore, it is urgent to propose an electric energy meter information reading device to solve the technical problem of how to stably and quickly perform data exchange between the electric energy meter and the main station to achieve remote communication and fee control. Utility Model Content
[0003] The main purpose of the utility model is to provide an electric energy meter information reading device, aiming to solve the technical problem of how to stably and quickly perform data interaction between the electric energy meter and the main station to achieve remote communication and fee control.
[0004] To achieve the above-mentioned purpose, the utility model provides an electric energy meter information reading device, wherein the electric energy meter information reading device comprises: a logic module, a power module, a downlink communication module and an uplink communication module; the logic module comprises a microprocessor, a memory, and an indicator light circuit; the microprocessor is electrically connected to the indicator light circuit through a wire; the microprocessor is electrically connected to the memory, the uplink communication module and the downlink communication module through a wire; the uplink communication module is communicatively connected to a master station, and the downlink communication module is communicatively connected to an electric energy meter; the power module is electrically connected to the microprocessor, the uplink communication module and the downlink communication module respectively through wires.
[0005] In one of the preferred solutions, the downlink communication module includes a Bluetooth communication unit and an RS485 communication unit; the Bluetooth communication unit is connected to the microprocessor and the electric energy meter through communication, and the RS485 communication unit is connected to the microprocessor and the electric energy meter through communication.
[0006] In one of the preferred solutions, the RS485 communication unit includes an RS485-A line and an RS485-B line.
[0007] In one of the preferred solutions, the RS485 communication unit supports communication with up to 32 electric energy meters.
[0008] In one of the preferred embodiments, the downlink communication module includes one or more of a CAT.1 communication unit, a NB-IoT communication unit, a 2G communication unit or a 4G communication unit.
[0009] In one of the preferred solutions, the indicator light circuit includes a communication indicator light circuit and a status indicator light circuit; the microprocessor is electrically connected to the communication indicator light circuit and the status indicator light circuit via wires.
[0010] In one of the preferred solutions, the power module includes an AC220V-L line and an AC220V-N line.
[0011] In one of the preferred solutions, the memory includes an EEPROM storage unit and a FLASH storage unit.
[0012] In one of the preferred solutions, the energy meter information reading device further comprises a PCB board; the microprocessor, memory, indicator light circuit and RS485 communication unit are arranged on the bottom surface of the PCB board; the power module is arranged on one side of the corner of the PCB board; the Bluetooth communication unit and the uplink communication module are arranged on the other side of the corner relative to the power module.
[0013] In one of the preferred solutions, the Bluetooth communication unit is arranged at a right angle to the uplink communication module.
[0014] In the above technical solution of the utility model, the information reading device of the electric energy meter includes: a logic module, a power module, a downlink communication module and an uplink communication module; the logic module includes a microprocessor, a memory, and an indicator light circuit; the microprocessor is electrically connected to the indicator light circuit through a wire; the microprocessor is electrically connected to the memory, the uplink communication module and the downlink communication module through a wire; the uplink communication module is connected to the main station for communication, and the downlink communication module is connected to the electric energy meter for communication; the power module is electrically connected to the microprocessor, the uplink communication module and the downlink communication module through a wire. The utility model solves the technical problem of how to stably and quickly perform data exchange between the electric energy meter and the main station to realize remote communication and fee control.
[0015] In the utility model, the downlink communication module includes a Bluetooth communication unit and an RS485 communication unit, through which Bluetooth and RS485 automatic meter search can be realized, data interaction with the electric energy meter can be realized through wired and / or wireless methods, and daily frozen data of the electric energy meter can be reported, supporting operations such as master station reading and remote switch control.
[0016] In the utility model, the uplink communication module includes one or more of a CAT.1 communication unit, a NB-IoT communication unit, a 2G communication unit or a 4G communication unit, supports multiple uplink communication modes, is more flexible, is not limited to one station area, and does not require a concentrator to forward. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0018] Figure 1 This is a first structural schematic diagram of an electric energy meter information reading device according to an embodiment of the utility model;
[0019] Figure 2 This is a second structural schematic diagram of an electric energy meter information reading device according to an embodiment of the utility model;
[0020] Figure 3 Schematic diagram of a microcontroller according to an embodiment of the present utility model.
[0021] Description of Figure Numbers:
[0022] 1. Logic module; 11. Microprocessor; 12. Memory; 13. Indicator light circuit;
[0023] 2. Downlink communication module; 21. Bluetooth communication unit; 22. RS485 communication unit;
[0024] 3. Uplink communication module;
[0025] 4. Power module.
[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] It should be noted that all directional indications (such as up, down, etc.) in the implementation mode of the utility model are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0029] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.
[0030] Furthermore, the technical solutions between the various implementation modes of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0031] See also Figure 1-Figure 3 According to one aspect of the utility model, the utility model provides an electric energy meter information reading device, wherein the electric energy meter information reading device comprises: a logic module 1, a power module 4, a downlink communication module 2 and an uplink communication module 3; the logic module comprises a microprocessor 11, a memory 12, and an indicator light circuit 13; the microprocessor 11 is electrically connected to the indicator light circuit 13 through a wire; the microprocessor 11 is electrically connected to the memory 12, the uplink communication module 3 and the downlink communication module 2 through a wire; the uplink communication module 3 is communicatively connected to a master station, and the downlink communication module 2 is communicatively connected to an electric energy meter; the power module 4 is electrically connected to the microprocessor 11, the downlink communication module 2 and the uplink communication module 3 through wires.
[0032] Specifically, in this embodiment, the downlink communication module 2 includes a Bluetooth communication unit 21 and an RS485 communication unit 22; the Bluetooth communication unit 21 is connected to the microprocessor 11 and the electric energy meter through communication, and the RS485 communication unit 22 is connected to the microprocessor 11 and the electric energy meter through communication; the downlink communication module 2 can realize Bluetooth and RS485 automatic meter search, and automatic addressing through power-on. Installation or replacement of the electric energy meter only requires physical installation, and the electric energy meter information reading device can automatically search the meter and report to the main station; through Data interaction with the electric energy meter is realized in a wired and / or wireless manner, and the daily frozen data of the electric energy meter is reported, supporting operations such as master station reading and remote switch control; the electric energy meter data can be read by connecting to the electric energy meter information reading device through Bluetooth via a mobile phone or other terminal, which is convenient for supplier maintenance and users to obtain electricity consumption information in real time; the downlink communication module 2 has both RS485 communication link and Bluetooth communication functions, and Bluetooth or RS485 can be used for communication according to user needs, reducing wiring construction and increasing the aesthetics and reliability of the wiring inside the meter box.
[0033] Specifically, in this embodiment, the RS485 communication unit 22 includes an RS485-A line and an RS485-B line; the RS485-A line and the RS485-B line are set by the RS485 communication unit 22 to support different device communication interfaces to adapt to different communication scenarios.
[0034] Specifically, in this embodiment, the RS485 communication unit 22 supports communication with up to 32 electric energy meters; the Bluetooth communication unit 21 supports communication with up to 32 electric energy meters; the present invention does not make specific limitations; the present invention does not make specific limitations, and different numbers of electric energy meters can be connected according to needs.
[0035] Specifically, in this embodiment, the uplink communication module 3 includes one or more of a CAT.1 communication unit, a NB-IoT communication unit, a 2G communication unit or a 4G communication unit; it supports multiple communication modes such as CAT.1 communication, NB-IoT communication, 2G and 4G, is more flexible, is not limited to one area, and does not require a concentrator for forwarding, which facilitates data interaction between the electric energy meter and the main station.
[0036] Specifically, in this embodiment, the indicator light circuit 13 includes a communication indicator light circuit and a status indicator light circuit; the microprocessor 11 is electrically connected to the communication indicator light circuit and the status indicator light circuit through a wire; when the electric energy meter information reading device is in a communication state, the communication indicator light flashes; when the electric energy meter information reading device is in a normal operating state, the status indicator light is always on, and the status indicator light flashes during the startup process.
[0037] Specifically, in this embodiment, the power module 4 includes an AC220V-L line and an AC220V-N line; the AC220V-L line is a live line, and the AC220V-N line is a neutral line. The internal circuits such as the microprocessor 11 are connected from the PCB board through the AC220V-L line and the AC220V-N line, so that the external power supply can supply power to the electric energy meter information reading device.
[0038] Specifically, in this embodiment, the memory 12 includes an EEPROM storage unit and a FLASH storage unit; the memory 12 is used to store the electric energy meter data read by the electric energy meter information reading device, which is not specifically limited in the present invention and can be set according to needs.
[0039] Specifically, in this embodiment, the energy meter information reading device also includes a PCB board; the microprocessor 11, the memory 12, the indicator light circuit 13 and the RS485 communication unit 22 are arranged on the bottom surface of the PCB board; the power module 4 is arranged on one side of the corner of the PCB board; the Bluetooth communication unit 21 and the uplink communication module 3 are arranged on the other side of the corner relative to the power module 4; the Bluetooth communication unit 21 is arranged at a right angle to the uplink communication module 3.
[0040] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. An electric energy meter information reading device, characterized in that: include: A logic module, a power module, a downlink communication module and an uplink communication module; the logic module includes a microprocessor, a memory, and an indicator light circuit; the microprocessor is electrically connected to the indicator light circuit through a wire; the microprocessor is electrically connected to the memory, the uplink communication module and the downlink communication module through a wire; the uplink communication module is communicatively connected to the main station, and the downlink communication module is communicatively connected to the electric energy meter; the power module is electrically connected to the microprocessor, the uplink communication module and the downlink communication module respectively through wires.
2. The device for reading electric energy meter information according to claim 1, characterized in that: The downlink communication module includes a Bluetooth communication unit and an RS485 communication unit; the Bluetooth communication unit is respectively connected to the microprocessor and the electric energy meter through communication, and the RS485 communication unit is respectively connected to the microprocessor and the electric energy meter through communication.
3. The device for reading electric energy meter information according to claim 2, characterized in that: The RS485 communication unit includes an RS485-A line and an RS485-B line.
4. The device for reading electric energy meter information according to claim 2, characterized in that: The RS485 communication unit supports communication with up to 32 electric energy meters.
5. An electric energy meter information reading device according to any one of claims 1 to 4, characterized in that: The downlink communication module includes one or more of a CAT.1 communication unit, a NB-IoT communication unit, a 2G communication unit or a 4G communication unit.
6. An electric energy meter information reading device according to any one of claims 1 to 4, characterized in that: The indicator light circuit includes a communication indicator light circuit and a status indicator light circuit; the microprocessor is electrically connected to the communication indicator light circuit and the status indicator light circuit through a wire.
7. An electric energy meter information reading device according to any one of claims 1 to 4, characterized in that: The power supply module includes an AC220V-L line and an AC220V-N line.
8. An electric energy meter information reading device according to any one of claims 1 to 4, characterized in that: The memory includes an EEPROM storage unit and a FLASH storage unit.
9. The device for reading electric energy meter information according to claim 2, characterized in that: The electric energy meter information reading device also includes a PCB board; the microprocessor, memory, indicator light circuit and RS485 communication unit are arranged on the bottom surface of the PCB board; the power module is arranged on one side of the corner of the PCB board; the Bluetooth communication unit and the uplink communication module are arranged on the other side of the corner relative to the power module.
10. The device for reading electric energy meter information according to claim 9, characterized in that: The Bluetooth communication unit is arranged at a right angle to the uplink communication module.