Online upgrading device for low-voltage monitoring equipment

Abstract

The utility model is suitable for the technical field of power distribution, and relates to an online upgrading device for low-voltage monitoring equipment, which comprises an MCU (Microprogrammed Control Unit) master control module used for controlling each module of the upgrading device and processing data; the USB interface module is used for copying an upgrading program of equipment to be upgraded into the upgrading device; the key module is used for setting an upgrading protocol, an upgrading program and an upgrading channel; the indicator light module is used for indicating the upgrading state; the display screen module is used for man-machine interaction; the MCU master control module is in communication connection with the USB interface module, the key module, the indicating lamp module and the display screen module. The device is simple in structure and convenient to carry, the USB interface is directly connected into the device to achieve the online software upgrading function of the device, additional wiring is not needed, efficiency is high, and meanwhile safety performance is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power distribution, and in particular relates to an online upgrading device for low-voltage monitoring equipment. Background Art

[0002] The smart devices of the power Internet of Things include LTU, smart circuit breakers, photovoltaic switches, photovoltaic protocol converters, etc. The mainstream upgrade method for the above low-voltage monitoring equipment is broadcast upgrade, which is suitable for mature application scenarios with high standardization of protocols and interfaces. At present, the power substation is in the promotion and pilot stage of the smart substation of the Internet of Things. The frequency of software upgrades of smart devices is very high. The broadcast upgrade method cannot achieve full coverage of all devices, so manual upgrades cannot be ruled out. At present, the use of debugging port upgrades and 485 communication upgrades requires wiring and computer operation, which is inefficient; for online devices on the hanging platform, if manual wiring is used to upgrade through the debugging port and wired communication port, the workload will be very large, and the upgrade of online devices on the hanging network is a live operation, and connecting the upgrade cables will have great safety hazards.

[0003] The patent application with publication number CN115314384A provides a device upgrade method, device upgrade system and collector under RS485 bus, the upgrade method includes: S101: the collector scans the smart devices on the RS485 bus and obtains version information; S102: the upgrade operation is performed according to the input instruction, and the smart device is upgraded based on the upgrade operation using a predefined broadcast upgrade command, the predefined broadcast upgrade command includes the model, address and target version of the upgraded smart device; S103: according to the upgrade information fed back by the upgraded smart device, the upgrade content is sent to the smart device, the upgrade log is updated in real time and the upgrade result is output. This patent application adopts the broadcast upgrade method, which is inefficient and the security performance is not guaranteed, and has the same disadvantages as the prior art.

[0004] Therefore, how to improve the efficiency and safety of upgrading low-voltage monitoring equipment is an urgent problem to be solved by personnel in this technical field. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an online upgrading device for low-voltage monitoring equipment to solve the problems of low upgrading efficiency and safety of low-voltage monitoring equipment in the prior art.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model provides an online upgrade device for low-voltage monitoring equipment, comprising:

[0008] MCU main control module, used to control each module of the upgrade device and data processing;

[0009] A USB interface, used to copy the upgrade program of the device to be upgraded into the upgrade device;

[0010] Key module, used to set the upgrade protocol, upgrade program and upgrade channel;

[0011] Indicator light module, used to indicate the upgrade status;

[0012] Display screen module for human-computer interaction;

[0013] The MCU main control module is communicatively connected with the USB interface, the key module, the indicator light module and the display screen module respectively.

[0014] Furthermore, the button module includes a first button, a second button, a third button and a fourth button arranged in parallel, and the first button, the second button, the third button and the fourth button are arranged on one side of the display screen module.

[0015] Furthermore, the indicator light module includes a first indicator light and a second indicator light arranged side by side, and the first indicator light and the second indicator light are arranged on one side of the display screen.

[0016] Furthermore, it also includes a FLASH storage module for storing upgrade data, and the FLASH storage module is communicatively connected with the MCU main control module.

[0017] Furthermore, it also includes a Bluetooth communication module for upgrading via Bluetooth, and the Bluetooth communication module is communicatively connected to the MCU main control module.

[0018] Furthermore, it also includes a clock module for recording an upgraded operation log, and the clock module is communicatively connected to the MCU main control module.

[0019] Furthermore, it also includes a first shell and a second shell that are connected to each other, and the MCU main control module, USB interface, button module, indicator light module, display module, FLASH storage module, Bluetooth communication module, and clock module are all arranged in a cavity formed by the connection of the first shell and the second shell.

[0020] Furthermore, the first shell is provided with a USB connection hole, a first indicator light hole, a second indicator light hole, a first button hole, a second button hole, a third button hole, a fourth button hole and a display screen hole; the USB connection hole is arranged at a position corresponding to the USB interface; the first indicator light hole and the second indicator light hole are arranged side by side at positions corresponding to the first indicator light and the second indicator light; the first button hole, the second button hole, the third button hole and the fourth button hole are arranged side by side at positions corresponding to the first button, the second button, the third button and the fourth button; and the display screen hole is arranged at a position corresponding to the display screen module.

[0021] Furthermore, the first shell is connected to the second shell by snap-fitting.

[0022] Furthermore, the liquid crystal display screen of the display screen module is a 12864 liquid crystal dot matrix screen.

[0023] Compared with the prior art, the low-voltage monitoring equipment online upgrade device provided by the utility model has at least the following beneficial effects:

[0024] At present, low-voltage monitoring equipment uses debugging port upgrades, 485 communication upgrades, etc., which require wiring and computer operation, and are inefficient; for online devices on the hanging platform, if manual wiring is used to upgrade through the debugging port and wired communication port, the workload will be very large, and the upgrade of online devices on the hanging network is a live operation, and connecting the upgrade cable will pose a great safety hazard. The utility model has a simple structure and is easy to carry. It directly connects to the device through the USB interface to realize the online software upgrade function of the device without additional wiring. It has high efficiency and high safety performance; it is equipped with multiple functional modules such as indicator light module, button module, display screen module, etc., which are comprehensive and practical; the clock module can record the operation log of each upgrade, accurately record the upgrade operation, and improve the reliability of the upgrade process; it also supports Bluetooth wireless upgrade mode, which is suitable for products with Bluetooth upgrade function that are not convenient to operate directly. The Bluetooth communication channel can be used for software upgrade through this upgrade device. The product has strong adaptability and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the scheme of the utility model, a brief introduction is given below to the figures required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A partial structural block diagram of an online upgrade device for low-voltage monitoring equipment provided by an embodiment of the utility model;

[0027] Figure 2An exploded diagram of an online upgrade device for low-voltage monitoring equipment provided by an embodiment of the utility model;

[0028] Figure 3 A pin diagram of a connector for realizing data communication between an online upgrade device for low-voltage monitoring equipment and a device to be upgraded provided by the present invention;

[0029] Figure 4 A schematic diagram of an upgrade process of an online upgrade device for low-voltage monitoring equipment provided by an embodiment of the utility model;

[0030] Figure numerals: 10 - first shell; 101 - USB interface; 102 - first indicator light hole; 103 - second indicator light hole; 104 - first button hole; 105 - second button hole; 106 - third button hole; 107 - fourth button hole; 108 - display screen hole; 20 - second shell. DETAILED DESCRIPTION

[0031] Unless otherwise defined, all technical and scientific terms used in this document have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. For example, the directions or positions indicated by terms such as "length", "width", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", and "outside" are based on the directions or positions shown in the drawings, which are only for the convenience of description and cannot be understood as limitations on the present technical solution.

[0032] The terms "including" and "having" and any variations thereof in the specification and claims of the utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions; the terms "first", "second", etc. in the specification and claims of the utility model or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In the specification and claims of the utility model and the above-mentioned drawings, when an element is referred to as "fixed to" or "mounted on" or "disposed on" or "connected to" another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as "connected to" another element, it may be directly or indirectly connected to the other element.

[0033] In addition, the reference to "embodiment" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0034] The utility model provides an online upgrade device for low-voltage monitoring equipment, which is applied to the upgrade process of low-voltage monitoring equipment such as LTU, intelligent circuit breaker, photovoltaic switch, photovoltaic protocol converter, etc. The online upgrade device for low-voltage monitoring equipment includes:

[0035] The MCU main control module is used to control the various modules and data processing of the upgrade device; the USB interface module is used to copy the upgrade program of the device to be upgraded into the upgrade device; the key module is used to set the upgrade protocol, upgrade program and upgrade channel; the indicator light module is used to indicate the upgrade status; the display screen module is used for human-computer interaction; the MCU main control module is communicated and connected with the USB interface module, the key module, the indicator light module and the display screen module respectively.

[0036] The utility model has a simple structure and is easy to carry. It can directly access the device through the USB interface to realize the online software upgrade function of the device without additional wiring. It has high efficiency and high safety performance.

[0037] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0038] The utility model provides an online upgrade device for low-voltage monitoring equipment, which is applied to the upgrade process of low-voltage monitoring equipment such as LTU, intelligent circuit breaker, photovoltaic switch, photovoltaic protocol converter, etc. Figures 1 to 4 In this embodiment, the low voltage monitoring equipment online upgrade device includes:

[0039] The MCU main control module adopts a high-performance M4 core processor to control the various modules of the upgrade device and data processing; the USB interface module is used to copy the upgrade program of the device to be upgraded into the upgrade device; the button module is used to set the upgrade protocol, upgrade program and upgrade channel; the indicator light module is used to indicate the upgrade status; the display screen module adopts a 12864 LCD dot matrix screen for human-computer interaction; the MCU main control module is communicated and connected with the USB interface module, the button module, the indicator light module and the display screen module respectively, the upgrade program is copied into the upgrade device through the USB interface module, the upgrade protocol, upgrade program and upgrade channel are set by buttons and LCD screen operations, the device to be upgraded can be automatically upgraded, the upgrade status is indicated by LED indicators and LCD screen, and users can operate or view data through the human-computer interaction interface.

[0040] Furthermore, in this embodiment, the button module includes a first button, a second button, a third button and a fourth button arranged in parallel. The first button, the second button, the third button and the fourth button are arranged on the right side of the display screen module. The first button indicates menu up, the second button indicates menu down, the third button indicates menu confirmation and function confirmation, and the fourth button indicates menu exit and function cancellation.

[0041] In some other embodiments, the first button, the first button, the second button, the third button and the fourth button may also be arranged on any side of the display screen module.

[0042] Furthermore, in this embodiment, the indicator light module includes a first indicator light and a second indicator light arranged side by side, the first indicator light and the second indicator light are arranged on the upper side of the display screen, the first indicator light indicates the device operating status, and the second indicator light indicates the device upgrade status.

[0043] In some other embodiments, the first indicator light and the second indicator light may also be arranged on any side of the display screen module.

[0044] Furthermore, in this embodiment, a FLASH storage module for storing upgrade data is also included, and the FLASH storage module is communicatively connected to the MCU main control module.

[0045] Furthermore, in this embodiment, a Bluetooth communication module for upgrading via Bluetooth is also included. The Bluetooth communication module is communicatively connected to the MCU main control module. For scenarios where powered devices are already connected to the network and it is inconvenient to insert an upgrading device, upgrading can be performed via Bluetooth. The product has strong adaptability and a wide range of applications. When upgrading in wireless Bluetooth mode, a mobile power supply can be used to power the upgrading device through a USB interface module, which is convenient for actual on-site use.

[0046] In some other embodiments, the communication module can also communicate using 4G, WIFI, etc.

[0047] Furthermore, in this embodiment, a clock module for recording the operation log of the upgrade is also included. The clock module is communicatively connected with the MCU main control module, and records the operation log of each upgrade through a high-precision RTC clock to accurately record the upgrade operation.

[0048] Furthermore, the present embodiment also includes a first shell and a second shell connected to each other by a snap-fit ​​manner, and the MCU main control module, the USB interface module, the button module, the indicator light module, the display screen module, the FLASH storage module, the Bluetooth communication module, and the clock module are all arranged in a cavity formed by connecting the first shell 10 and the second shell 20. The first shell 10 is provided with a USB connection hole 101, a first indicator light hole 102, a second indicator light hole 103, a first button hole 104, a second button hole 105, a third button hole 106, a fourth button hole 107, and a display screen hole 108. The USB connection hole 101 is arranged at a corresponding position of the USB interface module, the first indicator light hole 102 and the second indicator light hole 103 are arranged side by side at corresponding positions of the first indicator light and the second indicator light, the first button hole 104, the second button hole 105, the third button hole 106, and the fourth button hole 107 are arranged side by side at corresponding positions of the first button, the second button, the third button, and the fourth button, and the display screen hole 108 is arranged at a corresponding position of the display screen module.

[0049] Furthermore, in this embodiment, the low-voltage monitoring equipment online upgrade device and the equipment to be upgraded realize data communication through 2*6 double-row pins as connectors, and has functions such as overcurrent, overvoltage and electrostatic protection.

[0050] Specifically, Figure 3 As shown, pins 1 and 2 are VDD pins, which serve as the power supply for the upgrade device and are provided by the device to be upgraded, with a voltage range of 12±1V (load current 0-125mA); pins 3 and 4 are GND pins, which are used for grounding; pin 5 is TXD pin, which serves as the signal sending pin of the upgrade device (3.3V TTL level); pin 8 is RXD pin, which serves as the signal receiving pin of the upgrade device (3.3V TTL level); pin 9 is RST pin, which is used for reset output (low level is valid); pins 6, 7, 10, 11, and 12 are left unconnected.

[0051] Combine the following Figure 4 The working process of an online upgrade device for low-voltage monitoring equipment provided by this embodiment is described as follows:

[0052] Power the upgrade device through the USB interface module and copy the upgrade program;

[0053] Through the operation of the button module and the display screen module, select the program to be upgraded, select the communication protocol, and select the upgrade channel;

[0054] When the device to be upgraded is powered on, insert the upgrade device, or connect the Bluetooth communication module for pairing. The upgrade device actively communicates with the device to be upgraded. If the device to be upgraded does not respond, the upgrade device issues an alarm through the display module and indicator module, records the operation log, and exits the upgrade.

[0055] After the protocol match response of the device to be upgraded is correct, the upgrade operation is performed;

[0056] If an error occurs during the upgrade process, the upgrade operation will stop, the device will issue an alarm, record the operation log, and exit the upgrade;

[0057] After the upgrade is successful, the operation log is recorded, and an upgrade success indication is issued through the display module and the indicator light module, and the upgrade is exited.

[0058] The online upgrade device for low-voltage monitoring equipment described in the above embodiment is compared with the prior art. At present, low-voltage monitoring equipment adopts debugging port upgrade, 485 communication upgrade and other methods, which require wiring and computer operation, and the efficiency is low; if the online equipment on the hanging platform is upgraded through the debugging port and wired communication port by manual wiring, the workload will be very large, and the upgrade of the online equipment on the hanging network is a live operation, and there will be great safety hazards in connecting the upgrade cable. The utility model has a simple structure and is easy to carry. It directly connects to the device through the USB interface to realize the online software upgrade function of the device without additional wiring. It has high efficiency and high safety performance; it is equipped with multiple functional modules such as indicator light module, button module, display screen module, etc., which are comprehensive and practical; the clock module can record the operation log of each upgrade, accurately record the upgrade operation, and improve the reliability of the upgrade process; it also supports Bluetooth wireless upgrade mode, which is suitable for products with Bluetooth upgrade function that are not convenient to operate directly. The Bluetooth communication channel can be used for software upgrade through this upgrade device. The product has strong adaptability and a wide range of applications.

[0059] Obviously, the embodiments described above are only preferred embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. An online upgrade device for low voltage monitoring equipment, It is characterized in that include: MCU main control module, used to control each module of the upgrade device and data processing; A USB interface module, used to copy the upgrade program of the device to be upgraded into the upgrade device; Key module, used to set the upgrade protocol, upgrade program and upgrade channel; Indicator light module, used to indicate the upgrade status; Display screen module for human-computer interaction; The MCU main control module is communicatively connected with the USB interface module, the key module, the indicator light module and the display screen module respectively.

2. According to claim 1, a low voltage monitoring equipment online upgrade device, It is characterized in that The button module includes a first button, a second button, a third button and a fourth button which are arranged in parallel. The first button, the second button, the third button and the fourth button are arranged on one side of the display screen module.

3. According to claim 2, a low voltage monitoring equipment online upgrade device, It is characterized in that The indicator light module comprises a first indicator light and a second indicator light arranged side by side, and the first indicator light and the second indicator light are arranged on one side of the display screen.

4. According to claim 1, a low voltage monitoring equipment online upgrade device, It is characterized in that It also includes a FLASH storage module for storing upgrade data, and the FLASH storage module is communicatively connected with the MCU main control module.

5. According to claim 1, a low voltage monitoring equipment online upgrade device, It is characterized in that It also includes a Bluetooth communication module for upgrading via Bluetooth, and the Bluetooth communication module is communicatively connected with the MCU main control module.

6. According to claim 1, a low voltage monitoring equipment online upgrade device, It is characterized in that It also includes a clock module for recording an upgraded operation log, and the clock module is communicatively connected to the MCU main control module.

7. The online upgrade device for low voltage monitoring equipment according to claim 1, It is characterized in that It also includes a first shell and a second shell that are connected to each other. The MCU main control module, USB interface module, button module, indicator light module, display module, FLASH storage module, Bluetooth communication module, and clock module are all arranged in a cavity formed by the connection of the first shell and the second shell.

8. The online upgrade device for low voltage monitoring equipment according to claim 7, It is characterized in that The first shell is provided with a USB connection hole, a first indicator light hole, a second indicator light hole, a first button hole, a second button hole, a third button hole, a fourth button hole and a display screen hole. The USB connection hole is arranged at a corresponding position of the USB interface module, the first indicator light hole and the second indicator light hole are arranged side by side at the corresponding positions of the first indicator light and the second indicator light, the first button hole, the second button hole, the third button hole and the fourth button hole are arranged side by side at the corresponding positions of the first button, the second button, the third button and the fourth button, and the display screen hole is arranged at a corresponding position of the display screen module.

9. The online upgrade device for low voltage monitoring equipment according to claim 8, It is characterized in that The first shell is connected to the second shell by snapping.

10. The online upgrade device for low voltage monitoring equipment according to claim 1, It is characterized in that The liquid crystal display screen of the display screen module is a 12864 liquid crystal dot matrix screen.

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