CN216357104U

CN216357104U - Communication conversion device

Info

Publication number: CN216357104U
Application number: CN202122236672.0U
Authority: CN
Inventors: 刘智超; 杨玲
Original assignee: Willfar Information Technology Co Ltd
Current assignee: Willfar Information Technology Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-19
Anticipated expiration: 2031-09-15

Abstract

The utility model is suitable for the technical field of wireless communication, and relates to a communication conversion device, which comprises: the Bluetooth module is used for transmitting and forwarding the received data; the wireless communication module is used for carrying out protocol analysis and processing on the data; a charging circuit for charging the rechargeable lithium battery; the rechargeable lithium battery is used for providing power supply for the communication conversion device; the power supply circuit is used for converting a power supply provided by the rechargeable lithium battery into a power supply required by the Bluetooth module and the wireless communication module; the switch is used for controlling the power supply of the communication conversion device to be switched on and off; charging circuit, chargeable lithium cell, switch, power supply circuit connect gradually, and wireless communication module and bluetooth module are connected with power supply circuit respectively, and wireless communication module passes through UART serial ports with bluetooth module and is connected. The utility model can realize the conversion of the Bluetooth communication technology into the wireless communication technology and realize the meter reading of the electric meter loaded with the wireless communication module by the Bluetooth handset.

Description

Communication conversion device

Technical Field

The utility model belongs to the technical field of wireless communication, and particularly relates to a communication conversion device.

Background

In the ramen region, because the communication environment is complex, most of the wireless communication modules (such as the micro-power wireless communication modules LoRa, Wisun and the like) which are carried on the electric meter and work in ISM frequency bands (a certain section of communication frequency bands mainly used by industrial, scientific and medical institutions) below 1GHz generally refer to wireless communication technologies with power consumption lower than 50mW, and are referred to as wireless communication modules for short, the LoRa is called Long Range (Long distance) and is a local area network wireless communication technology with low power consumption and Long distance, the success rate of using the wireless communication modules is high, and a concentrator and a meter reading system which are required by a matched power carrier communication meter reading technology are omitted, so meter reading by using the wireless communication technology becomes a first choice.

However, the conventional handset does not substantially include the wireless communication technology used in the electric meter, so a device for converting the wireless communication technology used in the handset into the wireless communication technology used in the electric meter is required. At present, a common method is that an electricity meter manufacturer customizes to a handset manufacturer to develop a handset of a wireless communication technology used locally, so as to realize meter reading. However, the prior art has long development period and is limited by a palm machine structure, the wireless communication performance is influenced, and the problem that the meter reading of a local existing Bluetooth handset (Bluetooth: an open global specification of wireless data and voice communication, which is a special short-distance wireless technology connection for establishing a communication environment for fixed and mobile equipment based on a short-distance wireless connection with low cost; handset: a handheld terminal capable of carrying out data communication (Wi-Fi/GPRS/Bluetooth and the like) with other equipment) cannot be solved.

Therefore, how to provide a device capable of converting the bluetooth communication technology into the wireless communication technology, and realizing the meter reading of the electric meter with the wireless communication module by the bluetooth handset is a problem to be solved urgently by the technical field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a communication conversion device to solve the problem that the communication conversion device in the prior art cannot realize meter reading of an electric meter with a wireless communication module.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a communication conversion device, comprising: the Bluetooth module is used for transmitting and forwarding the received data; the wireless communication module is used for carrying out protocol analysis and processing on the data; a charging circuit for charging the rechargeable lithium battery; the rechargeable lithium battery is used for providing power for the communication conversion device; the power supply circuit is used for converting the power supply provided by the rechargeable lithium battery into the power supply required by the Bluetooth module and the wireless communication module; the switch is used for controlling the power supply of the communication conversion device to be switched on and off; the charging circuit, the rechargeable lithium battery, the switch and the power circuit are sequentially connected, the wireless communication module and the Bluetooth module are respectively connected with the power circuit, and the wireless communication module and the Bluetooth module are connected through a UART serial port.

Furthermore, the communication conversion device further comprises an alarm circuit, and the alarm circuit is connected with the rechargeable lithium battery and used for monitoring the electric quantity of the rechargeable lithium battery.

Further, the communication conversion device further comprises an LED module, and the LED module is connected with the alarm circuit and used for prompting charging.

Further, the model of the LED module is GHZRV703D 1.

Furthermore, the Bluetooth module is ESP-WROOM-32.

Further, the charging circuit is TC 4056A.

Further, the rechargeable lithium battery is 803450 in model number.

Further, the model of the power supply circuit is SPX1117M 3.

Further, the switch model is SS-12D 11-G5.

Further, the rechargeable lithium battery provides a power supply voltage of 5V; the power supply voltage required by the Bluetooth module and the wireless communication module is 3.3V.

Compared with the prior art, the communication conversion device provided by the utility model at least has the following beneficial effects:

the utility model can realize the conversion of the Bluetooth communication technology into the wireless communication technology and realize the meter reading of the ammeter loaded with the wireless communication module by the Bluetooth handset; the rechargeable lithium battery is adopted for supplying power, is light and small, has power supply indication and is convenient for customers to carry and use.

Drawings

In order to illustrate the solution of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the utility model, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort.

Fig. 1 is a hardware configuration diagram of a communication conversion apparatus according to an embodiment of the present invention;

fig. 2 is a schematic meter reading flow diagram of a communication conversion device according to an embodiment of the present invention.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, e.g., the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order. In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" 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 being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The utility model provides a communication conversion device, which is applied to the communication between a Bluetooth handset and a wireless communication module on an ammeter, and comprises:

the Bluetooth module is used for transmitting and forwarding the received data; the wireless communication module is used for carrying out protocol analysis and processing on the data; a charging circuit for charging the rechargeable lithium battery; the rechargeable lithium battery is used for providing power supply for the communication conversion device; the power supply circuit is used for converting a power supply provided by the rechargeable lithium battery into a power supply required by the Bluetooth module and the wireless communication module; the switch is used for controlling the power supply of the communication conversion device to be switched on and off; charging circuit, chargeable lithium cell, switch, power supply circuit connect gradually, and wireless communication module and bluetooth module are connected with power supply circuit respectively, and wireless communication module passes through UART serial ports with bluetooth module and is connected.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

The utility model provides a communication conversion device, which is applied to the communication between a Bluetooth handset and a wireless communication module on an ammeter, and as shown in figure 1, the communication conversion device comprises: the Bluetooth module is internally provided with an original factory source code, adopts a transparent transmission mode and is used for transmitting and forwarding the received data, and the model of the Bluetooth module is ESP-WROOM-32; the wireless communication module can select corresponding wireless communication technologies and built-in programs according to different requirements, and the antenna can be divided into a built-in antenna and an external antenna and is used for carrying out protocol analysis and processing on data; the charging circuit is externally provided with a Micro USB interface, and can get electricity from a computer USB interface and various mobile phone chargers, so that a rechargeable lithium battery is charged, and the type of the rechargeable lithium battery is TC 4056A; the rechargeable lithium battery is used for providing a 5V power supply for the communication conversion device, and the model is 803450; the power supply circuit is used for converting a 5V power supply provided by the rechargeable lithium battery into a 3.3V power supply required by the Bluetooth module and the wireless communication module, and the model of the power supply circuit is SPX117M 3; the switch is used for controlling the power supply of the communication conversion device to be switched on and off, and the model is SS-12D 11-G5; charging circuit, chargeable lithium cell, switch, power supply circuit connect gradually, and wireless communication module and bluetooth module are connected with power supply circuit respectively, and wireless communication module passes through UART serial ports with bluetooth module and is connected.

Further, in this embodiment, as shown in fig. 1, the communication conversion device further includes an alarm circuit, the alarm circuit is connected to the rechargeable lithium battery and configured to monitor an electric quantity of the rechargeable lithium battery, when a set threshold is reached, the charging is prompted by the LED module, the LED module is connected to the alarm circuit, and the model of the LED module is GHZRV703D 1.

The meter reading process of the communication conversion device provided by the utility model is described below with reference to fig. 1 and fig. 2:

as can be seen from the meter reading flow chart, the meter reading device is totally divided into a handset, a conversion device and an electric meter. The communication distance of Bluetooth is generally less than 10 meters, so the distance between the handset and the conversion device cannot be too far. According to different wireless communication technologies, the effective communication distance is different from 100m to 1000m, so that the electric meters in the effective communication distance can be read by a handset and a conversion device.

Firstly, after a communication conversion device is powered on, a handset searches for Bluetooth equipment and is connected with the conversion device in a matching way;

then, the handset is successfully connected with the communication conversion device, the handset can issue a meter reading instruction through a meter reading App, after the conversion device receives the instruction, the message is transferred to the wireless communication module through a serial port inside the conversion device, and the wireless communication module transmits the received message to the air;

and finally, after receiving a meter reading command, the ammeter in the limited communication distance uploads the required data to the communication conversion device, and after receiving the data, the ammeter transmits the data to the Bluetooth module through the serial port inside the ammeter, and finally returns the data to the handset App, namely, one-time meter reading is completed.

The communication conversion device described in the above embodiment has strong compatibility, and can realize conversion of a bluetooth communication technology into a wireless communication technology, and realize meter reading of an electric meter carrying a wireless communication module by a bluetooth handset, wherein bluetooth supports classic bluetooth (a module supporting a bluetooth protocol below 4.0, which is generally used for transmission with a large data volume) and bluetooth low energy (a module supporting a bluetooth protocol 4.0 or above, which is also called a BLE module, and has the greatest characteristic of reducing cost and power consumption, and can be applied to products with high real-time requirements); the internal micropower wireless communication module can select LoRa, Wisun and micropower wireless communication technologies, and can select a corresponding module according to the type of a field wireless communication technology; the dual-mode Bluetooth module is used for supporting classic Bluetooth and low-power Bluetooth and can be adapted to different field Bluetooth handsets; the rechargeable lithium battery is adopted for supplying power, is light and small, has power supply indication and is convenient for customers to carry and use.

It is to be understood that the above-described embodiments are merely preferred embodiments of the present invention, and not all embodiments are shown in the drawings, which are set forth to limit the scope of the utility model. This invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All equivalent structures made by using the contents of the specification and the attached drawings of the utility model can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the utility model.

Claims

1. A communication conversion apparatus, comprising:

the Bluetooth module is used for transmitting and forwarding the received data;

the wireless communication module is used for carrying out protocol analysis and processing on the data;

a charging circuit for charging the rechargeable lithium battery;

the rechargeable lithium battery is used for providing power for the communication conversion device;

the power supply circuit is used for converting the power supply provided by the rechargeable lithium battery into the power supply required by the Bluetooth module and the wireless communication module;

the switch is used for controlling the power supply of the communication conversion device to be switched on and off;

the charging circuit, the rechargeable lithium battery, the switch and the power circuit are sequentially connected, the wireless communication module and the Bluetooth module are respectively connected with the power circuit, and the wireless communication module and the Bluetooth module are connected through a UART serial port.

2. The communication conversion device of claim 1, further comprising an alarm circuit coupled to the rechargeable lithium battery for monitoring the charge of the rechargeable lithium battery.

3. The communication conversion device of claim 2, further comprising an LED module, wherein the LED module is connected to the alarm circuit for prompting charging.

4. The communication conversion device as claimed in claim 3, wherein the LED module model is GHZRV703D 1.

5. The communication conversion device as claimed in claim 1, wherein the bluetooth module is model ESP-WROOM-32.

6. The communication conversion apparatus according to claim 1, wherein the charging circuit model is TC 4056A.

7. A communication switching device according to claim 1, wherein said rechargeable lithium battery is model number 803450.

8. The communication switching device of claim 1, wherein the power circuit model is SPX1117M 3.

9. The communication conversion apparatus according to claim 1, wherein the switch model is SS-12D 11-G5.

10. The communication switching device of claim 1, wherein the rechargeable lithium battery provides a supply voltage of 5V; the power supply voltage required by the Bluetooth module and the wireless communication module is 3.3V.