CN214410261U

CN214410261U - Wireless ad hoc network communication device

Info

Publication number: CN214410261U
Application number: CN202120368078.4U
Authority: CN
Inventors: 林知亮; 方建华; 许尊然
Original assignee: GUANGDONG KOTER ENERGY TECHNOLOGY CO LTD
Current assignee: GUANGDONG KOTER ENERGY TECHNOLOGY CO LTD
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-15
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a wireless ad hoc network communication device, which comprises a shell and a PCB board arranged in the shell; the PCB is provided with a control chip, a wireless communication module and a carrier communication module; the wireless communication module and the carrier communication module are respectively electrically connected with the control chip; the control chip is also electrically connected with external equipment and used for acquiring data sent by the external equipment and sending the data out through the wireless communication module and/or the carrier communication module; the external equipment comprises an intelligent electric meter, a three-phase unbalance device, a sensor, an SVG device and a data acquisition terminal. The utility model has the characteristics of small, simple installation etc.

Description

Wireless ad hoc network communication device

Technical Field

The utility model relates to a communication device especially relates to a wireless ad hoc network communication device.

Background

At present, when reporting leakage and measurement data of an electric meter, a three-phase unbalance device and the like, a corresponding communication module is generally embedded into equipment or is externally connected with other communication modules, so that the communication module is in communication connection with a remote monitoring terminal to realize data transmission. However, the embedded communication module or the external communication module has a large volume and is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a wireless ad hoc network communication device, which can provide a communication device with small volume and convenient installation.

The purpose of the utility model is realized by adopting the following technical scheme:

a wireless ad hoc network communication device comprises a shell and a PCB board arranged in the shell; the PCB is provided with a control chip, a wireless communication module and a carrier communication module; the wireless communication module and the carrier communication module are respectively electrically connected with the control chip; the control chip is electrically connected with the external equipment and is used for acquiring data sent by the external equipment and sending the data sent by the external equipment out through the wireless communication module and/or the carrier communication module; the external equipment comprises an intelligent electric meter, a three-phase unbalance device, a sensor, an SVG device and a data acquisition terminal.

Furthermore, a positioning module is arranged on the PCB; the positioning module is electrically connected with the control chip and used for acquiring positioning information and sending the positioning information to the control chip.

Furthermore, the positioning module is a GPS positioning module or a Beidou positioning module; the control chip is electrically connected with the positioning module by adopting a serial port interface; the RXD4 interface of the control chip is electrically connected with the TXD interface of the positioning module, and the TXD4 interface of the control chip is electrically connected with the RXD interface of the positioning module.

Furthermore, an antenna base is arranged on the PCB, and the positioning module comprises a positioning chip and a wiring terminal; the positioning chip is inserted into the antenna base through a wiring terminal.

Furthermore, the wireless communication module and the carrier communication module are electrically connected with the control chip through corresponding serial ports respectively.

Furthermore, the carrier communication module comprises a strong electric interface, and the strong electric interface is electrically connected with the PCB and used for supplying power to the PCB; the strong current pin comprises a first power interface, a second power interface, a first grounding interface, a second grounding interface, a first RESERVE interface, a second RESERVE interface, a first RXD interface, a first TXD interface, an enable pin interface, a state pin interface, a reset pin interface and an event pin interface; the carrier communication module comprises a first weak current interface, is electrically connected with the control chip through the first weak current interface and is used for sending out the acquired data sent by the control chip through the wireless power carrier.

Furthermore, the device also comprises a debugging module, and the debugging module is electrically connected with the control chip.

Further, the wireless communication module is a LORA module; wherein, the LORA module is a patch type wireless serial port module; the LORA module is arranged on the PCB in a stamp hole mounting mode; the LORA communication module comprises a second weak current interface, is electrically connected with the control chip through the second weak current interface, and is used for sending the acquired data sent by the control chip out through the wireless LORA communication module.

Further, the dimensions of the housing are 70mm by 50mm by 22.7 mm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a wireless communication module and carrier communication module can satisfy the data report of different distance equipment, but the wide application in intelligent terminal such as smart electric meter, circuit breaker, sensor, unbalanced three phase equipment and SVG equipment, and it has characteristics such as small, simple to operate.

Drawings

Fig. 1 is a block diagram of a wireless ad hoc network communication device according to the present invention;

FIG. 2 is a schematic diagram of the interface connection between the control chip and the wireless communication module in FIG. 1;

fig. 3 is a schematic diagram of the interface connection between the control chip and the positioning module in fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The utility model provides a wireless ad hoc network communication module can be applied to intelligent ammeter, sensor, unbalanced three phase equipment and intelligent terminal such as reactive compensation SVG equipment for leak the transmission of guaranteeing data, sensor measured data, current data and each other data, this communication device volume is littleer, pluggable connects, easy to assemble both can with in its inner space of embedding each equipment, also can locate the outside of each equipment.

As shown in fig. 1, the present invention provides an embodiment, which includes a housing and a communication control module installed in the housing. The shell adopts the appearance of a unidirectional phase carrier meter module structure, and the appearance size of the module is 70mm multiplied by 50mm multiplied by 22.7 mm. Preferably, the wireless ad hoc network communication module is connected with the main control module of other equipment in a hard pin mode, so that plug and play are realized, and the expandability is realized.

Preferably, the communication control module comprises a control chip, a LORA module, a GPS module, a carrier communication module and a debugging module. Wherein, LORA module, GPS module, carrier communication module, debugging module are respectively with control chip electric connection. More preferably, the LORA module, the GPS module, the carrier communication module and the debugging module are electrically connected with the control chip through serial ports respectively.

Preferably, the carrier communication module is configured to utilize a power supply cable to implement data transmission, that is, the control chip is electrically connected to the power supply cable through the carrier communication module and configured to transmit data to a remote background system.

Because the carrier communication module is electrically connected with the power supply cable, the carrier communication module can also provide power supply for the control chip. Preferably, the carrier communication module further includes a first weak current interface and a strong current interface. The carrier communication module is electrically connected with the PCB through a strong current interface, namely electrically connected with a main power supply interface of the PCB. The carrier communication module is electrically connected with the control chip through the first weak current interface and is used for acquiring data sent by the control chip and further sending the data out through wireless power carrier, for example, the data is transmitted to a background system and/or a concentrator. The definition of each pin of the first weak current interface is shown in table 1.

TABLE 1

The strong electrical interface comprises 8 pins. The pins 1 and 2 of the electric energy meter are electrically connected with the pins 7 and 8 of the control chip and used for inputting carrier signals.

Pins 3, 4, a housekeeper 5 and 6 of the electric energy meter, and pins 5, 6, 3 and 4 of the control chip are all empty pins. No contact pin is arranged at the position corresponding to the connecting piece on the PCB board, so that the safety distance is increased, and the insulating property is improved. The PCB adopts a no-pad design.

Pins 7 and 8 of the electric energy meter are electrically connected with pins 1 and 2 of the control chip, and a user inputs a carrier signal.

The control chip is electrically connected with the external equipment and used for acquiring data sent by the external equipment and uploading the data to the background system through a carrier communication module and/or a wireless communication module of the communication device to realize data transmission.

Preferably, the control chip is electrically connected to the carrier communication module through a serial port, and as shown in table 2, the definition of the pin between the control chip and the carrier communication module is defined.

TABLE 2

That is, the PB5 interface of the control chip is electrically connected to the M0 interface of the LORA module, the PB4 interface of the control chip is electrically connected to the M1 interface of the LORA module, the PB3 interface of the control chip is electrically connected to the AUX interface of the LORA module, the TXD5 interface of the control chip is electrically connected to the RXD interface of the LORA module, and the RXD5 interface of the control chip is electrically connected to the TXD interface of the LORA module.

Preferably, the LORA module adopts a patch type wireless serial port module. The patch type wireless transmission module has a LORA direct sequence spread spectrum technology, and the working frequency range of the patch type wireless transmission module is 410 MHz-441 MHz. Through serial ports and control chip electric connection, also carry out the receiving and dispatching of data through the serial ports, reduced wireless application's threshold. The communication module can be used for enabling the communication distance to be longer.

Preferably, the LORA module is installed in a stamp hole mode, so that welding is facilitated; it adopts 4V power supply to supply power. The LORA module has a level processing circuit inside, and outputs a high level of 3.3V through the TXD, so that no additional level conversion is needed. The LORA communication module comprises a second weak current interface, is electrically connected with the control chip through the second weak current interface, and is used for sending the acquired data sent by the control chip out through the wireless LORA communication module. As shown in table 3, the definition of each pin of the LORA module and the pin connection diagram of the control chip and the LORA module are shown in fig. 2.

Pin number	Name of pin	Remarks for note
			1	M0	Very weak pull-up
2	M1	Very weak pull-up
			3	RXD
4	TXD
			5	AUX
6	VCC	Connect with 3.3V power supply
			7、8、10、11	GND
9	ANT	Built-in antenna

TABLE 3

Preferably, the utility model provides a wireless ad hoc network communication module both can adopt carrier communication module to realize the transmission of data, can also adopt the LORA module to realize the transmission of data. In the actual application process, the carrier communication mode can be preferentially selected, and when the carrier communication mode is interfered, the LORA communication mode can be started, so that the communication stability is ensured; or, according to the actual communication reliability, such as the strength of the signal, a more reliable communication mode of the carrier communication mode and the LORA communication mode is automatically selected, and the data of the intelligent device is transmitted to the concentrator or the background. In addition, when the two communication modes are switched, the two communication modes can be automatically selected and switched without manual participation.

Preferably, the positioning module is a GPS module or a beidou positioning module, and is used for positioning the communication device. The positioning module adopts a positioning chip. Through set up the antenna pedestal on communication device's PCB board to peg graft the socket of positioning chip in the antenna pedestal, need not weld positioning module on the circuit, can realize positioning module's installation, greatly saved the space of circuit board. Preferably, the positioning module and the antenna are integrated into a whole design and are built in the antenna, so that the size of the device is further saved.

The positioning module is electrically connected with the control chip through a serial port. Preferably, as shown in fig. 3, the RXD4 interface of the control chip is electrically connected to the TXD interface of the positioning module, and the TXD4 interface of the control chip is electrically connected to the RXD interface of the positioning module.

Preferably, the embodiment can be applied to devices such as circuit breakers, data acquisition terminals, SVG devices, three-phase imbalance devices and related sensors. Through the utility model provides a wireless ad hoc network communication device passes through the mode electric connection back of plug with the host system of each equipment, can realize uploading of data.

In an actual application process, when there are a plurality of devices, management of the plurality of devices may be implemented by using both a LORA networking mode and an HPLC networking mode. Wherein, HPLC refers to high-speed power line carrier communication. For example, a plurality of devices can be connected through an LORA ad hoc network, and data of each device is uploaded to a background system through a carrier communication module by the wireless ad hoc network communication device provided by the utility model; or pass through LORA ad hoc network with a plurality of equipment and connect, through the data of gathering every equipment to pass through in the data set of every equipment the utility model provides a wireless ad hoc network communication device uploads backstage system.

Preferably, the present embodiment is also applicable to a three-phase unbalanced device, that is, used on a commutation switch of the three-phase unbalanced device. And (3) appointing a reserved standard interface by a third party manufacturer, appointing a communication protocol, and plug-and-play the three-phase unbalanced equipment and the communication device. And the communication device and the three-phase unbalanced equipment adopt LORA networking communication.

Preferably, the embodiment can also be applied to reactive compensation SVG equipment. Similarly, a reserved standard interface and an appointed communication protocol are established by a third party manufacturer, and the SVG equipment and the communication device are plugged and used. And LORA networking is adopted between the devices which are close to the communication device, and HPLC networking is adopted for the devices which are far from the communication device.

Preferably, the present implementation is applied to an electricity meter. By means of the space and the power supply on the electric meters, the original carrier function is reserved, all the electric meters near the communication device are managed through the LORA networking, and therefore wireless management of nearby equipment can be achieved under the condition that meter reading is not affected.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A wireless ad hoc network communication device is characterized by comprising a shell and a PCB board arranged in the shell; the PCB is provided with a control chip, a wireless communication module and a carrier communication module; the wireless communication module and the carrier communication module are respectively electrically connected with the control chip; the control chip is electrically connected with the external equipment and is used for acquiring data sent by the external equipment and sending the data sent by the external equipment out through the wireless communication module and/or the carrier communication module; the external equipment comprises an intelligent electric meter, a three-phase unbalance device, a sensor, an SVG device and a data acquisition terminal.

2. The wireless ad hoc network communication device according to claim 1, wherein a positioning module is provided on the PCB; the positioning module is electrically connected with the control chip and used for acquiring positioning information and sending the positioning information to the control chip.

3. The wireless ad hoc network communication device according to claim 2, wherein the positioning module is a GPS positioning module or a beidou positioning module; the control chip is electrically connected with the positioning module by adopting a serial port interface; the RXD4 interface of the control chip is electrically connected with the TXD interface of the positioning module, and the TXD4 interface of the control chip is electrically connected with the RXD interface of the positioning module.

4. The wireless ad hoc network communication device according to claim 3, wherein an antenna pedestal is provided on the PCB, and the positioning module comprises a positioning chip and a connection terminal; the positioning chip is inserted into the antenna base through a wiring terminal.

5. The wireless ad hoc network communication device according to claim 1, wherein the wireless communication module and the carrier communication module are electrically connected to the control chip through corresponding serial ports.

6. The wireless ad hoc network communication device according to claim 5, wherein the carrier communication module comprises a strong electric interface electrically connected to the PCB through the strong electric interface for providing power to the PCB; the strong current pin comprises a first power interface, a second power interface, a first grounding interface, a second grounding interface, a first RESERVE interface, a second RESERVE interface, a first RXD interface, a first TXD interface, an enable pin interface, a state pin interface, a reset pin interface and an event pin interface; the carrier communication module comprises a first weak current interface, is electrically connected with the control chip through the first weak current interface and is used for sending out the acquired data sent by the control chip through the wireless power carrier.

7. The wireless ad hoc network communication device according to claim 1, further comprising a debugging module, wherein the debugging module is electrically connected to the control chip.

8. The wireless ad hoc network communication device according to claim 1, wherein the wireless communication module is a LORA module; wherein, the LORA module is a patch type wireless serial port module; the LORA module is arranged on the PCB in a stamp hole mounting mode; the LORA communication module comprises a second weak current interface, is electrically connected with the control chip through the second weak current interface, and is used for sending the acquired data sent by the control chip out through the wireless LORA communication module.

9. The device of claim 1, wherein the housing has dimensions of 70mm x 50mm x 22.7 mm.