Intelligent gateway of low-voltage circuit breaker

Abstract

The utility model discloses an intelligent gateway for a low-voltage circuit breaker, which supports the expansion of a low-voltage circuit breaker model and comprises a processor, a downlink communication module, an uplink communication module and the like, each of the downlink communication module and the uplink communication module comprises at least one different type of communication module, which type of communication module is used is determined through the processor, no more than 10 low-voltage circuit breaker devices are accessed to a single gateway, the gateway supports RS485 and LORA interfaces, a Modbus protocol is mainly used for downlink communication, a user-defined MQTT protocol is adopted for uplink communication, and the MQTT protocol is used for uplink communication. The gateway integrates a plurality of network modes, supports automatic network switching, and is responsible for uploading low-voltage circuit breaker data to a cloud platform, including electrical measurement data, state data, diagnosis data, record data and the like, receiving a remote control instruction issued by a user at the same time, and carrying out opening and closing operation on the low-voltage circuit breaker.

Description

Technical Field

[0001] The present application relates to the technical field of low-voltage circuit breaker components, and specifically to a low-voltage circuit breaker intelligent gateway. Background Art

[0002] For a long time, the low-voltage power distribution network has been a weak link in the power supply system, and the low-voltage circuit breaker, as the terminal device in the "cloud-pipe-edge-end" system, is the most terminal link. The application conditions on site are complex and changeable. For some private application scenarios, the low-voltage circuit breaker can be connected to the network through an intelligent gateway, enabling users to monitor and remotely control the low-voltage circuit breaker.

[0003] For example, a patent document with authorization announcement number CN212304735U discloses an intelligent circuit breaker device with a Lora communication function, including at least one intelligent circuit breaker and a Lora communication module; the Lora communication module is arranged on one side of the intelligent circuit breaker and is connected to the Internet cloud platform through a Lora gateway; the intelligent circuit breaker includes an acquisition and control module and a circuit breaker body; the Lora communication module is used to obtain data of the intelligent circuit breaker, and the acquired data is converted and processed by the Lora gateway and uploaded to the Internet cloud platform; the acquisition and control module is used to receive command data sent by the Internet platform through the Lora communication module and the Lora gateway, and perform corresponding actions according to the command data.

[0004] However, the circuit breaker of the prior art has only one communication mode, and cannot be used for different network access scenarios such as outdoor and indoor, and cannot realize remote control opening and closing operations of low-voltage circuit breakers in different network access scenarios or even in special circumstances. Summary of the invention

[0005] In view of the deficiencies of the prior art, this solution provides a low-voltage circuit breaker intelligent gateway to solve the problem that the above-mentioned existing low-voltage circuit breaker intelligent gateway cannot adapt to complex network access scenario environments.

[0006] To achieve the above objectives, this scheme is implemented through the following technical solutions:

[0007] A low-voltage circuit breaker intelligent gateway is used for remote communication between a low-voltage circuit breaker and a cloud platform, comprising a processor, a downlink communication module, an uplink communication module, a power module, a storage module and a man-machine module, wherein the downlink communication module, the uplink communication module and the power module, the storage module and the man-machine module are all electrically connected to the processor, the downlink communication module and the uplink communication module each include no less than one different type of communication modules and determine which type of communication module to use through the processor, the downlink communication module is used to communicate with each low-voltage circuit breaker, the uplink communication module is used to communicate with the cloud platform, the man-machine module is arranged on the front panel of the low-voltage circuit breaker intelligent gateway and is used to switch the communication module and display the running status, the power module is arranged in the front upper part of the lower layer inside the low-voltage circuit breaker intelligent gateway and is used to supply power to other modules, the processor is arranged in the front middle part of the lower layer inside the low-voltage circuit breaker intelligent gateway, and the storage module is arranged in the middle part of the lower layer inside the low-voltage circuit breaker intelligent gateway and is used to store the configuration parameters of the low-voltage circuit breaker and IAP upgrade data.

[0008] Preferably, the downlink communication module includes an RS485 communication module and a LORA communication module.

[0009] Preferably, the uplink communication module includes a cellular communication module, an ETH communication module, and a WIFI communication module.

[0010] Preferably, the storage module communicates with the processor using an SPI interface.

[0011] Preferably, the human-machine module includes an indicator light module and a button module.

[0012] Preferably, the processor uses an ARM processor.

[0013] Preferably, the RS485 communication module is arranged in the upper middle part of the lower layer inside the low-voltage circuit breaker intelligent gateway and opens to the upper part of the low-voltage circuit breaker intelligent gateway shell, and the LORA communication module is arranged in the lower front part of the lower layer inside the low-voltage circuit breaker intelligent gateway.

[0014] Preferably, the cellular communication module is arranged in the upper layer inside the low-voltage circuit breaker intelligent gateway, the ETH communication module is arranged in the upper rear part of the lower layer inside the low-voltage circuit breaker intelligent gateway and opens to the upper part of the low-voltage circuit breaker intelligent gateway shell, and the WIFI communication module is arranged in the lower rear part of the lower layer inside the low-voltage circuit breaker intelligent gateway.

[0015] Preferably, the indicator light module is arranged on the upper front panel of the low-voltage circuit breaker intelligent gateway.

[0016] Preferably, the button module is arranged at the lower part of the front panel of the low-voltage circuit breaker intelligent gateway.

[0017] Compared with the prior art, the beneficial effects of this solution are as follows: the low-voltage circuit breaker intelligent gateway of this application has been designed with models for different types of low-voltage circuit breakers, and through parameter configuration, it can complete the networking of low-voltage circuit breakers of different models, with low cost. As an accessory module of the low-voltage circuit breaker, it can adapt to different application conditions, transmit the relevant data of the low-voltage circuit breaker to the cloud platform in real time, and can meet the user's remote control of the low-voltage circuit breaker. The low-voltage circuit breaker intelligent gateway of this application proposes a set of low-cost distributed network access technology solutions, and provides automatic switching of cellular, ETH, and WIFI networks for uplink communication, in order to adapt to different network access scenarios such as outdoor and indoor. Downlink communication provides LORA and RS485, in order to meet the needs of different wiring for wireless and wired collection. The intelligent gateway also supports remote control of low-voltage circuit breakers to meet the remote control of low-voltage circuit breakers in special circumstances. The low-voltage circuit breaker intelligent gateway of the present application is mainly used as an accessory of the low-voltage circuit breaker. It solves the problem that a universal gateway can realize the network access and monitoring support for various types of low-voltage circuit breakers. By expanding the low-voltage circuit breaker model and configuring parameters, the adaptability and versatility of the intelligent gateway to different types of low-voltage circuit breakers are further improved, and the network access cost and maintenance cost of different types of low-voltage circuit breakers are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an application block diagram of an embodiment of the present application;

[0019] Figure 2 This is a structural block diagram of an embodiment of the present application;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of an embodiment of the present application;

[0021] Figure 4 This is a schematic diagram of a main view of an embodiment of the present application;

[0022] Figure 5 This is a schematic diagram of the upper internal layer from a side view of an embodiment of the present application;

[0023] Figure 6 This is a schematic diagram of the lower layer of the interior from a side view of an embodiment of the present application;

[0024] Among them, 1-processor, 2-downlink communication module, 201-RS485 communication module, 202-LORA communication module, 3-uplink communication module, 301-cellular communication module, 302-ETH communication module, 303-WIFI communication module, 4-power module, 5-storage module, 6-human-machine module, 601-indicator module, 602-button module. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0026] The present embodiment provides a technical solution: a low-voltage circuit breaker intelligent gateway, including a processor 1, a downlink communication module 2, an uplink communication module 3, a power module 4, a storage module 5 and a human-machine module 6, wherein the downlink communication module 2, the uplink communication module 3 and the power module 4, the storage module 5 and the human-machine module 6 are all electrically connected to the processor 1, and the downlink communication module 2 and the uplink communication module 3 each include no less than one different type of communication modules and determine which type of communication module to use through the processor 1. The low-voltage circuit breaker intelligent gateway of the present application supports access to multiple models of low-voltage circuit breakers, and a single low-voltage circuit breaker intelligent gateway accesses no more than 10 low-voltage circuit breaker devices, allowing one-to-one and one-to-many connection modes, and the downlink interface allows the selection of RS485 or LORA interface, and the downlink communication mainly uses the Modbus protocol. When the low-voltage circuit breaker intelligent gateway selects the LORA interface, the message sent to the low-voltage circuit breaker using the LORA communication module 202 is completed through the LORA relay forwarding. The uplink communication of the low-voltage circuit breaker intelligent gateway supports cellular, ETH, and WIFI networks. The uplink communication adopts a custom MQTT protocol. The low-voltage circuit breaker intelligent gateway performs real-time monitoring for all network modes. The low-voltage circuit breaker intelligent gateway will inspect all communication modules when it is powered on for the first time and at regular intervals, and update the hardware status of all communication modules in real time. All communication modules of the uplink communication module 3 of the low-voltage circuit breaker intelligent gateway of this embodiment are inspected in the order of cellular, ETH, and WIFI. When the program determines that a module exists, the network will automatically switch according to the current network card status. In this embodiment, the processor 1 adopts an ARM processor, and other types of processors such as X86, MIPS, or even microprocessors can also be used.

[0027] During specific operation, in the low-voltage circuit breaker intelligent gateway described in this embodiment, the ARM processor 1 selects one of the RS485 communication module 201 and the LORA communication module 202 as the communication method with the low-voltage circuit breaker according to the low-voltage circuit breaker related parameters set inside the intelligent gateway. The power module 4 supports a wide voltage input mode, supports DC9-36V, and generates DC4.88V power supply, DC3.3V power supply, and DC3.88V power supply through LDO devices. The DC3.88V power supply is used for the cellular communication module 301, and the DC3.3V power supply is used for other modules. The storage module 5 is used to store the configuration parameters of the low-voltage circuit breaker and the IAP upgrade data. The human-machine module 6, wherein the button module 601 is used for configuration mode switching and gateway internal parameters to restore the default control, and the indicator light module 602 is used to display the current gateway operation status, including data interaction status and message communication status. After acquiring all the data of the low-voltage circuit breaker, the ARM processor 1 selects the currently used network mode to upload the data, mainly including status report upload, periodic report upload, event record upload and wave recording data upload. The low-voltage circuit breaker intelligent gateway also processes the remote control message. If a remote control message is received, the data needs to be parsed and stored in the device model queue. The low-voltage circuit breaker communication task is responsible for completing the corresponding remote control operation. The uplink communication module 3 inspects the cellular communication module 301, the ETH communication module 302, and the WIFI communication module 303 in turn, and selects the network that meets the criteria as the uplink communication mode. If the network switching is met, the network is automatically switched according to the current network status and under certain conditions.

[0028] A low-voltage circuit breaker intelligent gateway described in an embodiment of the present application adopts a double-layer design internally, which is divided into an upper and lower layer, comprehensively considering the high-frequency and low-frequency distributions, and also considering the power consumption and control requirements of different modules. The power module 4 is arranged in the front upper part of the lower layer inside the low-voltage circuit breaker intelligent gateway, the processor 1 is arranged in the front middle part of the lower layer inside the low-voltage circuit breaker intelligent gateway, the RS485 communication module 201 is arranged in the middle upper part of the lower layer inside the low-voltage circuit breaker intelligent gateway and opens to the upper part of the low-voltage circuit breaker intelligent gateway shell, and the LORA communication module 2 02 is arranged at the front lower part of the lower layer inside the low-voltage circuit breaker intelligent gateway, the cellular communication module 301 is arranged at the upper layer inside the low-voltage circuit breaker intelligent gateway, the ETH communication module 302 is arranged at the upper rear part of the lower layer inside the low-voltage circuit breaker intelligent gateway and opens to the upper part of the low-voltage circuit breaker intelligent gateway shell, the WIFI communication module 303 is arranged at the lower rear part of the lower layer inside the low-voltage circuit breaker intelligent gateway, the indicator light module 601 is arranged at the upper part of the front panel of the low-voltage circuit breaker intelligent gateway, and the button module 602 is arranged at the lower part of the front panel of the low-voltage circuit breaker intelligent gateway.

[0029] A low-voltage circuit breaker intelligent gateway in an embodiment of the present application has low cost and an operating temperature range of -40°C to 80°C. As an accessory module of a low-voltage circuit breaker, it can adapt to different application conditions and transmit relevant data of the low-voltage circuit breaker including electrical measurement data, status data, diagnostic data, record data, etc. to a cloud platform in real time. It can also receive remote control commands issued by users and perform opening and closing operations on the low-voltage circuit breaker, thereby satisfying users' remote control of the low-voltage circuit breaker.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope required by the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A low-voltage circuit breaker intelligent gateway, used for remote communication between a low-voltage circuit breaker and a cloud platform, comprising a processor (1), a downlink communication module (2), an uplink communication module (3), a power module (4), a storage module (5) and a human-machine module (6), characterized in that: The downlink communication module (2), the uplink communication module (3), the power module (4), the storage module (5) and the man-machine module (6) are all electrically connected to the processor (1); the downlink communication module (2) and the uplink communication module (3) each include at least one different type of communication module and determine which type of communication module to use through the processor (1); the downlink communication module (2) is used to communicate with each low-voltage circuit breaker; the uplink communication module (3) is used to communicate with the cloud platform; the man-machine module (6) is arranged on the front panel of the low-voltage circuit breaker intelligent gateway and is used to switch the communication module and display the operating status; the power module (4) is arranged at the front upper part of the lower layer inside the low-voltage circuit breaker intelligent gateway and is used to supply power to other modules; the processor (1) is arranged at the front middle part of the lower layer inside the low-voltage circuit breaker intelligent gateway; the storage module (5) is arranged at the middle part of the lower layer inside the low-voltage circuit breaker intelligent gateway and is used to store the configuration parameters of the low-voltage circuit breaker and IAP upgrade data.

2. The low voltage circuit breaker intelligent gateway according to claim 1, characterized in that: The downlink communication module (2) comprises an RS485 communication module (201) and a LORA communication module (202).

3. The low voltage circuit breaker intelligent gateway according to claim 1, characterized in that: The uplink communication module (3) comprises a cellular communication module (301), an ETH communication module (302), and a WIFI communication module (303).

4. The low voltage circuit breaker intelligent gateway according to claim 1, characterized in that: The storage module (5) communicates with the processor (1) using an SPI interface.

5. The low voltage circuit breaker intelligent gateway according to claim 1, characterized in that: The human-machine module (6) comprises an indicator light module (601) and a key module (602).

6. The low voltage circuit breaker intelligent gateway according to claim 1, characterized in that: The processor (1) uses an ARM processor.

7. The low voltage circuit breaker intelligent gateway according to claim 2, characterized in that: The RS485 communication module (201) is arranged in the middle upper part of the lower layer inside the low-voltage circuit breaker intelligent gateway and opens to the upper part of the housing of the low-voltage circuit breaker intelligent gateway, and the LORA communication module (202) is arranged in the front lower part of the lower layer inside the low-voltage circuit breaker intelligent gateway.

8. The low voltage circuit breaker intelligent gateway according to claim 3, characterized in that: The cellular communication module (301) is arranged at the upper inner layer of the low-voltage circuit breaker intelligent gateway, the ETH communication module (302) is arranged at the upper rear part of the lower inner layer of the low-voltage circuit breaker intelligent gateway and opens to the upper part of the housing of the low-voltage circuit breaker intelligent gateway, and the WIFI communication module (303) is arranged at the lower rear part of the lower inner layer of the low-voltage circuit breaker intelligent gateway.

9. The low voltage circuit breaker intelligent gateway according to claim 5, characterized in that: The indicator light module (601) is arranged on the upper part of the front panel of the low-voltage circuit breaker intelligent gateway.

10. The low voltage circuit breaker intelligent gateway according to claim 5, characterized in that: The button module (602) is arranged at the lower part of the front panel of the low-voltage circuit breaker intelligent gateway.

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