CN216930328U

CN216930328U - Bluetooth communication module applied to special transformer terminal

Info

Publication number: CN216930328U
Application number: CN202220276452.2U
Authority: CN
Inventors: 葛玉磊; 王虎生; 李政茂; 刘清; 李瑞文
Original assignee: Qingdao Topscomm Communication Co Ltd
Current assignee: Qingdao Topscomm Communication Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-08
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a Bluetooth communication module applied to a special transformer terminal, relating to the technical field of power equipment in a transformer area. The utility model utilizes the convenience of Bluetooth wireless transmission, can effectively solve the problem of inconvenient operation of workers when the terminal is in a severe environment, uses RS-485 to supply power, can ensure that the module state is in an open state for a long time, uses an RJ45 interface circuit to transmit data, and can ensure the stability of data transmission.

Description

Bluetooth communication module applied to special transformer terminal

Technical Field

The utility model relates to the technical field of power equipment in a transformer area, in particular to a Bluetooth communication module applied to a special transformer terminal.

Background

In the special electric energy transformer acquisition terminal pushed by the national network, the Bluetooth communication is a third field debugging communication mode after the Ethernet and serial communication, and the special electric energy transformer acquisition terminal has the advantages of convenience, low cost, high reliability, high transmission rate, safety and the like.

In the existing Ethernet and serial port communication modes, a network cable and an RS-232 serial port cable are respectively adopted to connect and communicate a terminal with debugging equipment, when the terminal is installed in a distribution box with a severe environment, debugging personnel are very difficult to approach the distribution box, and the debugging process has certain danger, so that the problems can be effectively solved by the Ethernet and serial port communication method. If be equipped with bluetooth module on the terminal, and the state is opened forever, when the debugging personnel is close the block terminal, opens the debugging equipment and uses the bluetooth to connect the back, can use APP to operate, and the in-process transmission data is stable and the operational safety is high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings of the prior art, the utility model provides the Bluetooth communication module applied to the special transformer terminal, so that the non-contact special transformer terminal debugging can be realized, the data transmission rate is greatly improved, and the working difficulty of operators is reduced; the volume is small, and the space in the terminal shell is effectively utilized; the cost is low, and the market popularization is facilitated; the compatibility is strong, can adapt to various debugging equipment.

The purpose of the utility model can be realized by the following technical scheme:

a Bluetooth communication module applied to a special transformer terminal comprises an RS-485 interface circuit, a Bluetooth chip and an Ethernet communication circuit.

Furthermore, the bluetooth module mounting means is vertical installation, and module length is 30mm, highly is 20mm, and thickness is 8mm, and the module inlays in the teletransmission module below to communication is connected with the terminal to pluggable mode.

Furthermore, an RS-485 interface circuit is designed in the Bluetooth module, an external lead is used for supporting module power supply, the module uses an Ethernet RJ45 interface to send and receive data, and meets the design specification of a national network III type special transformer terminal, wherein the Ethernet uses an RJ45 type interface, the interface contains 8 pins, 1 pin and 2 pin are TX + and TX-, namely, signaling + and signaling-, 3 pin and 6 pin are RX + and RX-, namely, receiving signal + and receiving signal-, and the impedance between 1 pin and 2 pin is relatively low, so that the stability of signal transmission can be ensured.

The utility model has the beneficial technical effects that: the integral volume of the utility model is 30mm 20mm 8mm, which meets the size requirements of the Q/GDW 2013 standard specification of the national power grid company and the OIML IR46 standard on electricity consumption metering products, and the volume is small, thereby effectively saving space; the maximum advantage is that the power consumption is reduced, the power consumption of the MCU is less than 90uA/MHz, the broadcast data packet of BLE5 is more flexible, the broadcast data packet can contain 200Byte data at most, the transmission rate is faster, the highest data throughput reaches 1.6Mbps, and the requirement of transparent transmission can be met; the compatibility is strong, and the method can be adapted to various debugging devices; the requirements of arbitrary connection in a certain range are met, the working difficulty of technicians is reduced, the cost performance is high, and the method has a wide market prospect.

Drawings

Fig. 1 is a circuit diagram of an interface of the present invention.

Fig. 2 is a front view of the appearance of the object of the present invention.

Fig. 3 is a side view showing the appearance of the present invention.

FIG. 4 is a top view of the appearance of an embodiment of the present invention.

Fig. 5 is a diagram of the installation position of the object of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

Examples are given.

As shown in fig. 1, a bluetooth communication module applied to a dedicated terminal includes a CMT4502 bluetooth chip, a 485 interface circuit, and an ethernet communication interface circuit.

The Bluetooth wireless transmission module adopts a CMT4502 Bluetooth chip, the chip is provided with 138KSRAM/Retention SRAM and 512/256KB system flash memory, has the characteristics of ultra-low power consumption, high performance and wireless multimode, and supports the BLE functions of safety, application and wireless updating. Meanwhile, the serial peripheral device IO and the integrated application program IP also bring the advantage of low cost to customers.

As shown in fig. 2, fig. 3, fig. 4, be bluetooth wireless module's front view, side view and plan view respectively, based on this module volume is less and need use the ethernet mouth to carry out data transmission, can inlay in the telecommunications module below of special transformer terminal for a long time during the installation, insert the ethernet mouth in the right side, the ethernet mouth also can play fixed module's effect simultaneously, the left side uses RS-485 to get the electricity, can continuously supply power for the module, ensures that the module state is in the open mode all the time, concrete mounted position is as shown in fig. 5. During the use, need not the staff and carry debugging equipment and climb pole high altitude construction repeatedly, only need open the bluetooth of debugging equipment in its certain limit, search for connect can, and this module compatibility is strong, can adapt to various debugging equipment, need not to worry the unable circumstances of connecting of certain equipment.

The above-mentioned embodiments are illustrative of the specific embodiments of the present invention, and are not restrictive, and those skilled in the relevant art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should be included in the scope of the present invention.

Claims

1. The utility model provides a be applied to bluetooth communication module at special transformer terminal, its characterized in that, includes and vertically inlays in the telecommunications module below, and this bluetooth module complements each other with each module at terminal, and the data acquisition function of equipment can be accomplished in the function of mutually supporting, and main control chip adopts CMT4502 bluetooth chip, can use the mobile device to connect.

2. The bluetooth communication module applied to a special transformer terminal as claimed in claim 1, wherein the bluetooth module is supported by power supply through an RS-485 interface, and ethernet data transmission is performed through an RJ45 interface.

3. The bluetooth communication module as claimed in claim 1, wherein the bluetooth module has a length of 30mm, a height of 20mm and a thickness of 8mm, and is embedded under the remote transmission module, and is connected to the motherboard in the form of a pluggable independent module for communication, and can be fixed to the terminal for a long time after being installed without repeated installation and disassembly.

4. The bluetooth communication module applied to a dedicated transformer terminal according to claim 1, wherein the bluetooth module employs a CMT4502 bluetooth chip, has the characteristics of ultra-low power consumption, high performance and wireless multi-mode, supports BLE5.0 high-speed data throughput, and has low cost.

5. The bluetooth communication module applied to the special transformer terminal as claimed in claim 1, wherein the bluetooth module can be connected to a mobile phone, a tablet, a computer or other operating systems, and different functions are implemented by controlling the operating terminal in the APP.