CN202077069U - Wireless maintenance system of power distribution terminal - Google Patents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
技术领域 technical field
本实用新型属于电力领域，具体的说涉及一种配电终端的无线维护系统。The utility model belongs to the field of electric power, and in particular relates to a wireless maintenance system for power distribution terminals.
背景技术 Background technique
配电终端是配电自动化系统中的最底层设备，主要负责现场的遥测、遥信、遥控、数据采集及与主站系统之间的通讯。配电终端的系统软件需要升级和维护，同时各种参数也需要下载和标定，所以配电终端一般都具有下载维护的功能，主要分为远程下载维护和本地下载维护。本地下载维护主要通过配电终端的维护口进行。The power distribution terminal is the lowest-level equipment in the power distribution automation system. It is mainly responsible for on-site telemetry, remote signaling, remote control, data acquisition and communication with the master station system. The system software of the power distribution terminal needs to be upgraded and maintained, and various parameters also need to be downloaded and calibrated. Therefore, the power distribution terminal generally has the function of downloading maintenance, which is mainly divided into remote downloading maintenance and local downloading maintenance. Local download maintenance is mainly performed through the maintenance port of the power distribution terminal.
在配电终端装置的现场维护过程中，需要对其进行参数配置、遥测、遥信等实时数据的监视以及对配电终端进行遥控等操作。配电终端维护口大都通过RS232接口、RS422/485接口或者以太网口与计算机之间进行通信，因此存在着计算机与配电终端之间需通过电缆线进行交互的技术问题，不但造成作业人员必须反复接线；而且对于安装在电线杆上的配电终端和不方便接近的配电终端进行现场维护，不仅耗费大量的人力成本，存在严重安全隐患，而且必须打开封闭装置，使配电终端内部设备直接暴露在恶劣的室外环境之下，容易导致配电终端可靠性降低，尤其在雨天、雪天、冰冻等恶劣环境下，给作业人员维护终端设备造成很大的困难。During the on-site maintenance of power distribution terminal devices, it is necessary to monitor real-time data such as parameter configuration, telemetry, and remote signaling, and to perform remote control operations on power distribution terminals. The maintenance port of the power distribution terminal mostly communicates with the computer through the RS232 interface, RS422/485 interface or Ethernet port, so there is a technical problem that the computer and the power distribution terminal need to communicate with each other through cables, which not only causes the operators to have to Repeated wiring; and on-site maintenance of power distribution terminals installed on utility poles and inconveniently accessible power distribution terminals not only consumes a lot of labor costs, but also poses serious safety hazards, and the closed device must be opened to make the internal equipment of the power distribution terminal Direct exposure to harsh outdoor environments can easily lead to a reduction in the reliability of power distribution terminals, especially in rainy, snowy, freezing and other harsh environments, causing great difficulties for operators to maintain terminal equipment.
实用新型内容 Utility model content
本实用新型所要解决的技术问题，就是克服上述已有技术的不足，提供一种利用无线通信技术实现既能够对配电终端进行升级操作，又可以不打开封闭的配电终端设备的配电终端的无线维护系统。The technical problem to be solved by the utility model is to overcome the deficiencies of the above-mentioned prior art, and to provide a power distribution terminal that utilizes wireless communication technology to upgrade the power distribution terminal without opening the closed power distribution terminal equipment. wireless maintenance system.
本实用新型采用如下技术方案：The utility model adopts the following technical solutions:
一种配电终端的无线维护系统，A wireless maintenance system for power distribution terminals,
所述的无线维护系统包括安装在配电终端内的前置装置和外置于配电终端的手持装置；The wireless maintenance system includes a front-end device installed in the power distribution terminal and a handheld device external to the power distribution terminal;
所述的前置装置由I/O模块、CPU模块I、无线模块I、天线I依次连接而成，其中I/O模块与配电终端内的维护接口电连接，天线I伸出配电终端外，CPU模块I还与存储模块I电连接，供电模块I为上述各模块供电；The front device is formed by sequentially connecting an I/O module, a CPU module 1, a wireless module 1, and an antenna 1, wherein the I/O module is electrically connected to the maintenance interface in the power distribution terminal, and the antenna 1 extends out of the power distribution terminal In addition, the CPU module 1 is also electrically connected to the storage module 1, and the power supply module 1 supplies power for the above-mentioned modules;
所述的手持装置由对外接口、CPU模块II、无线模块II、天线II依次连接而成，CPU模块II还分别与LCD和存储模块II电连接，供电模块II为上述各模块供电。The handheld device is composed of an external interface, a CPU module II, a wireless module II, and an antenna II connected sequentially. The CPU module II is also electrically connected to the LCD and the storage module II, and the power supply module II supplies power to the above-mentioned modules.
进一步的，所述的I/O模块的接口可以是USB、UART或SPI。Further, the interface of the I/O module may be USB, UART or SPI.
进一步的，所述的CPU模块I由DSP单元和MCU单元依次连接而成。Further, described CPU module 1 is formed by connecting successively with DSP unit and MCU unit.
进一步的，所述的供电模块I和供电模块II由锂电池、充电管理单元、电源接口依次连接而成。Further, the power supply module I and the power supply module II are composed of a lithium battery, a charging management unit, and a power interface connected in sequence.
进一步的，所述的CPU模块I和无线模块I之间连接闪存模块。Further, a flash memory module is connected between the CPU module 1 and the wireless module 1.
进一步的，天线I与配电终端密封连接。Further, the antenna 1 is sealed and connected to the power distribution terminal.
进一步的，所述的无线模块I和无线模块II为蓝牙通信模块。Further, the wireless module I and the wireless module II are bluetooth communication modules.
进一步的，所述的对外接口为USB或RS232。Further, the external interface is USB or RS232.
进一步的，所述的存储模块II为SD卡。Further, the storage module II is an SD card.
进一步的，所述的CPU模块I还与状态指示灯电连接。Further, the CPU module 1 is also electrically connected with the status indicator light.
本实用新型的有益效果是：本实用新型提供的配电终端的无线维护系统利用了无线通信技术，实现了无需打开配电终端设备就能完成对其的升级操作。The beneficial effects of the utility model are: the wireless maintenance system of the power distribution terminal provided by the utility model utilizes the wireless communication technology, and realizes the upgrading operation of the power distribution terminal without opening it.
I/O模块接口种类多，对应各种不同型号配电终端的维护接口，可扩展性强。There are many types of I/O module interfaces, corresponding to the maintenance interfaces of various types of power distribution terminals, and the scalability is strong.
CPU模块包括DSP单元和MCU单元，数据处理速度能力强。The CPU module includes a DSP unit and an MCU unit, and has strong data processing speed.
供电模块I和供电模块II包含充电管理单元，可以有效提高本系统的使用寿命。The power supply module I and the power supply module II include a charging management unit, which can effectively improve the service life of the system.
CPU模块I和无线模块I之间连接闪存模块，增加了数据传输的安全性。A flash memory module is connected between the CPU module 1 and the wireless module 1, which increases the security of data transmission.
天线I与配电终端密封连接，保证了配电终端的密封性。The antenna I is sealed and connected to the power distribution terminal, which ensures the airtightness of the power distribution terminal.
无线模块I和无线模块II为蓝牙通信模块，信号抗干扰能力强。Wireless module I and wireless module II are Bluetooth communication modules with strong signal anti-interference ability.
对外接口为USB或RS232，方便了手持装置与其它装置的连接和数据传输。The external interface is USB or RS232, which facilitates the connection and data transmission between the handheld device and other devices.
存储模块II为SD卡，保证了数据的存取速度和存储安全。The storage module II is an SD card, which ensures the data access speed and storage security.
CPU模块I还与状态指示灯电连接，方便指示前置装置的工作状态。The CPU module 1 is also electrically connected with the status indicator light, which is convenient for indicating the working status of the front-end device.
附图说明 Description of drawings
图1是本实用新型的系统原理图；Fig. 1 is a system schematic diagram of the present utility model;
图2是本实用新型实施例1的前置装置示意图；Fig. 2 is a schematic diagram of the front device of Embodiment 1 of the present utility model;
图3是本实用新型实施例1的手持装置示意图。Fig. 3 is a schematic diagram of the handheld device of Embodiment 1 of the present invention.
具体实施方式 Detailed ways
如图1所示，本实用新型的配电终端的无线维护系统由前置装置10和手持装置20两部分组成，其中前置装置安装在配电终端内部，其通过I/O模块14与配电终端内的维护接口连接，具体的I/O模块接口可以是图中的RS232，也可以是USB、UART(UniversalAsynchronousReceiver/Transmitter，通用异步接收/发送接口)或者SPI(Serial Peripheral interface，串行外围设备接口)，前置装置的天线I11伸出配电终端外；手持装置的无线模块II23通过天线II24与前置装置进行无线通信，无线通信既可以采用如图所示的蓝牙通信方式，也可以采用Wi-Fi方式。As shown in Figure 1, the wireless maintenance system of the power distribution terminal of the present invention is composed of two parts: a front-end device 10 and a handheld device 20, wherein the front-end device is installed inside the power distribution terminal, and communicates with the distribution The maintenance interface connection in the electrical terminal. The specific I/O module interface can be RS232 in the figure, or USB, UART (Universal Asynchronous Receiver/Transmitter, Universal Asynchronous Receiver/Transmitter) or SPI (Serial Peripheral interface, serial peripheral device interface), the antenna I11 of the pre-device extends out of the power distribution terminal; the wireless module II23 of the handheld device communicates wirelessly with the pre-device through the antenna II24, and the wireless communication can adopt the bluetooth communication method as shown in the figure, or Use the Wi-Fi method.
实施例1，本实用新型公开了一种配电终端的无线维护系统，该系统包括前置装置和手持装置。其中前置装置的示意图如图2所示，请参见图2，本前置装置由I/O模块14、CPU模块I13、无线模块I12、天线I11依次连接而成，其中I/O模块与配电终端内的维护接口电连接，天线I伸出配电终端外，CPU模块I还与存储模块I15电连接，供电模块I16为上述各模块供电。Embodiment 1, the utility model discloses a wireless maintenance system for power distribution terminals, the system includes a front-end device and a handheld device. The schematic diagram of the front-end device is shown in Figure 2, please refer to Figure 2, the front-end device is connected in sequence by I/O module 14, CPU module I13, wireless module I12, and antenna I11, in which the I/O module and the distribution The maintenance interface in the electric terminal is electrically connected, the antenna 1 extends out of the power distribution terminal, the CPU module 1 is also electrically connected to the storage module 115, and the power supply module 116 supplies power for the above-mentioned modules.
具体的说，I/O模块的接口可以是USB、UART、SPI或RS232中的一种，提供丰富的接口可以提高本系统的通用性。Specifically, the interface of the I/O module can be one of USB, UART, SPI or RS232, and providing rich interfaces can improve the versatility of the system.
CPU模块I由DSP(Digital Signal Processing数字信号处理)单元131和MCU(MicroControl Unit微控制芯片)单元132依次连接而成，采用这样的结构设计可以提高CPU模块I的信号处理和运算能力。CPU模块I与存储模块I电连接，既可以为CPU模块I的数据运算提供缓存支持，同时也可以存储运算指令。CPU module 1 is formed by connecting successively with DSP (Digital Signal Processing) unit 131 and MCU (MicroControl Unit micro-control chip) unit 132, adopting such structural design can improve the signal processing and computing power of CPU module 1. The CPU module 1 is electrically connected to the storage module 1, which can not only provide cache support for the data operation of the CPU module 1, but also store operation instructions.
在CPU模块I和无线模块I之间连接闪存模块17，接收的数据可以先经闪存模块缓存后再输入CPU模块I进行运算。The flash memory module 17 is connected between the CPU module 1 and the wireless module 1, and the data received can be firstly input into the CPU module 1 for calculation after the flash memory module caches.
天线I伸出配电终端后，其与配电终端相交的部分进行相应的密封处理，在能够接收到手持装置信号的情况下，保证配电终端的整体密封性。After the antenna 1 protrudes from the power distribution terminal, the part where it intersects with the power distribution terminal is sealed accordingly, so as to ensure the overall sealing of the power distribution terminal when the signal from the handheld device can be received.
供电模块I由锂电池161、充电管理单元162、电源接口163依次连接而成，增加了充电管理单元，实现智能充电管理。The power supply module 1 is formed by connecting a lithium battery 161, a charging management unit 162, and a power interface 163 in sequence, and a charging management unit is added to realize intelligent charging management.
CPU模块I还与状态指示灯18电连接，用以指示前置装置的工作状态。CPU module 1 is also electrically connected with status indicator light 18, in order to indicate the working state of front-end device.
本系统手持装置的示意图如图3所示，请参见图3，手持装置由对外接口21、CPU模块II22、无线模块II23、天线II24依次连接而成，CPU模块II还分别与LCD25和存储模块II26电连接，供电模块II27为上述各模块供电。The schematic diagram of the handheld device of this system is shown in Figure 3. Please refer to Figure 3. The handheld device is connected in sequence by the
具体的说，对外接口可以采用USB或者RS232，方便用户对手持装置进行数据升级。Specifically, the external interface can adopt USB or RS232, which is convenient for the user to upgrade the data of the handheld device.
存储模块II采用SD卡，保证数据的存取速度和存储安全。Storage module II adopts SD card to ensure data access speed and storage security.
供电模块II由锂电池271、充电管理单元272、电源接口273依次连接而成，增加了充电管理单元，实现智能充电管理。The power supply module II is composed of a
手持装置上面安装的配电终端维护软件需要密码登陆，登陆后搜索前置装置，如果有搜索结果，则进入“连接”界面，要求输入配对码，进行配对，配对成功则建立连接，连接完成后便可以通过配电终端维护软件实现对配电终端的遥控、遥测、遥信、参数下发、对时等操作。The power distribution terminal maintenance software installed on the handheld device requires a password to log in. After logging in, search for the front-end device. If there is a search result, it will enter the "Connection" interface, requiring the input of the pairing code to perform pairing. If the pairing is successful, the connection will be established. After the connection is completed Operations such as remote control, telemetry, remote signaling, parameter delivery, and time synchronization of the power distribution terminal can be realized through the power distribution terminal maintenance software.
手持装置的对外接口获取外部数据后，可以在CPU模块II的调度下存储到存储模块II，用户通过LCD可以获知这一过程并发出各种指令。当需要对配电终端进行升级维护时，CPU模块II获取存储模块II内的数据后，向无线模块II发送传输指令，无线模块II通过天线II，采用蓝牙通信的方式将数据传输出去，在以上的过程中，供电模块II为上述各模块供电。After the external interface of the handheld device acquires external data, it can be stored in the storage module II under the scheduling of the CPU module II. The user can learn about this process and issue various instructions through the LCD. When the power distribution terminal needs to be upgraded and maintained, the CPU module II obtains the data in the storage module II, and then sends a transmission command to the wireless module II, and the wireless module II transmits the data through the antenna II by means of Bluetooth communication. During the process, the power supply module II supplies power to the above modules.
前置装置的无线模块I通过天线I接收到手持装置的升级维护信息后，可以先存入闪存模块，其后CPU模块I会将闪存模块内的数据再转存到存储模块I并进行分析，如需升级操作，则可以通过I/O模块将数据传送到配电终端的维护接口以完成升级操作。在上述的过程中，状态指示灯对前置装置的工作状态进行指示，供电模块I为上述各模块供电。After the wireless module 1 of the front-end device receives the upgrade and maintenance information of the handheld device through the antenna 1, it can be stored in the flash memory module first, and then the CPU module 1 will transfer the data in the flash memory module to the storage module 1 for analysis. If an upgrade operation is required, the data can be transmitted to the maintenance interface of the power distribution terminal through the I/O module to complete the upgrade operation. In the above-mentioned process, the status indicator light indicates the working state of the pre-installation device, and the power supply module 1 supplies power for the above-mentioned modules.
本系统在实际使用的过程中，首先要采用AT指令对前置装置进行设置，主要包括设备名称、模块角色、查询访问码、查询访问模式、配对码、串口参数、连接模式、绑定蓝牙地址、安全加密模式等的设置。设置完成后，再与配电终端连接。操作中既可以和配电终端维护接口安装在同一块单板上，也可以单独安装。此时前置装置处于自动连接模式。打开手持装置上面安装的配电终端维护软件，通过无线模块II和天线II来与配电终端上的前置装置进行配对，实现连接的建立，完成后便可以通过配电终端维护软件实现对配电终端的遥控、遥测、遥信、参数下发、对时等操作。前置装置完全兼容v2.0Compliant+EDR蓝牙规范，最高可支持3M数据传输，点对点传输距离可达100米。可以通过USB或者SPI对前置装置进行软件升级。具有自动切换到节能模式的功能，可以在低功耗工作模式和高速工作模式之间切换。In the actual use of this system, the front-end device must first be set using AT commands, mainly including device name, module role, query access code, query access mode, pairing code, serial port parameters, connection mode, and binding Bluetooth address , security encryption mode and other settings. After the setting is completed, connect to the power distribution terminal. During operation, it can be installed on the same board as the maintenance interface of the power distribution terminal, or installed separately. At this time, the pre-device is in automatic connection mode. Open the power distribution terminal maintenance software installed on the handheld device, and pair with the front-end device on the power distribution terminal through the wireless module II and antenna II to realize the establishment of the connection. After completion, the pairing can be realized through the power distribution terminal maintenance software Operations such as remote control, telemetry, remote signaling, parameter sending, and time synchronization of electric terminals. The front-end device is fully compatible with the v2.0Compliant+EDR Bluetooth specification, and can support up to 3M data transmission, and the point-to-point transmission distance can reach 100 meters. The software of the front-end device can be upgraded through USB or SPI. It has the function of automatically switching to energy-saving mode, and can switch between low-power working mode and high-speed working mode.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390931A (en) * | 2012-05-08 | 2013-11-13 | 苏州工业园区讯贝智能系统有限公司 | Power distribution system and device with cloud terminal function |
| CN103457645A (en) * | 2013-08-22 | 2013-12-18 | 成都卫士通信息产业股份有限公司 | Method for maintaining industrial device on posts through Bluetooth wireless technology |
| CN104101748A (en) * | 2014-07-18 | 2014-10-15 | 航天科工深圳（集团）有限公司 | Upgrade method and system of fault indicator probe |
| CN104868591A (en) * | 2014-02-20 | 2015-08-26 | 国网上海市电力公司 | Hand-held distribution automation device maintenance terminal |
| CN106849351A (en) * | 2016-12-30 | 2017-06-13 | 航天科工深圳（集团）有限公司 | The collocation method and system of distribution terminal |
| CN109408311A (en) * | 2018-10-26 | 2019-03-01 | 科大智能电气技术有限公司 | A kind of intelligence distribution transformer terminals USB maintenance system and method |
| CN113515298A (en) * | 2021-09-13 | 2021-10-19 | 国网江西省电力有限公司电力科学研究院 | System and method for upgrading and managing power distribution terminal program |
-
2011
- 2011-04-26 CN CN2011201289218U patent/CN202077069U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390931A (en) * | 2012-05-08 | 2013-11-13 | 苏州工业园区讯贝智能系统有限公司 | Power distribution system and device with cloud terminal function |
| CN103457645A (en) * | 2013-08-22 | 2013-12-18 | 成都卫士通信息产业股份有限公司 | Method for maintaining industrial device on posts through Bluetooth wireless technology |
| CN104868591A (en) * | 2014-02-20 | 2015-08-26 | 国网上海市电力公司 | Hand-held distribution automation device maintenance terminal |
| CN104101748A (en) * | 2014-07-18 | 2014-10-15 | 航天科工深圳（集团）有限公司 | Upgrade method and system of fault indicator probe |
| CN106849351A (en) * | 2016-12-30 | 2017-06-13 | 航天科工深圳（集团）有限公司 | The collocation method and system of distribution terminal |
| CN109408311A (en) * | 2018-10-26 | 2019-03-01 | 科大智能电气技术有限公司 | A kind of intelligence distribution transformer terminals USB maintenance system and method |
| CN113515298A (en) * | 2021-09-13 | 2021-10-19 | 国网江西省电力有限公司电力科学研究院 | System and method for upgrading and managing power distribution terminal program |
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