CN211321382U

CN211321382U - Split type communication device

Info

Publication number: CN211321382U
Application number: CN202020320570.XU
Authority: CN
Inventors: 刘勇; 李艳萍; 刘蕤; 汤野; 单义; 袁明阳; 史兴才; 艾杨; 任刚; 时春龙; 郭友; 朱文静
Original assignee: Liaoning Shuangyi Electric Power Electronics Co ltd
Current assignee: Liaoning Shuangyi Electric Power Electronics Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-08-21
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a split type communication device, which comprises a split type main module and a split type slave module, wherein the split type main module comprises a communication module interface, a communication module, a data output level conversion circuit and a data output interface which are connected in sequence, and a first power supply unit which provides a working power supply for the split type main module; the split type slave module comprises a data input interface, a data input level conversion circuit, a 4G module with an SIM card seat, a built-in antenna and a second power supply unit which provides a working power supply for the split type slave module, wherein the data input interface, the data input level conversion circuit, the 4G module with the SIM card seat and the built-in antenna are sequentially connected, and the data output interface is connected with the data input interface through a network communication line. The utility model has the advantages of simple structure and convenient use.

Description

Split type communication device

Technical Field

The utility model relates to the field of communication, more specifically say, in particular to split type communication device.

Background

At present, with the completion of the comprehensive construction of the power utilization information acquisition system of the state network company, the comprehensive application of the total acquisition function increases the assessment of assessment indexes. The requirements on the signal quality of the acquisition terminal are higher and higher. However, for some acquisition terminals installed in basements or with weak signals, the requirement for normal communication between the acquisition terminals and the master station cannot be met due to weak surrounding mobile signals. In order to improve the signal strength received by such an acquisition terminal, a signal amplifier or other signal enhancement devices are usually installed, but due to the high installation cost of the amplifier devices and labor cost, the installation process requirements are complex, and in order to solve the problem that the signal of such an acquisition terminal is weak or has no signal, a split communication device needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type communication device to overcome prior art's defect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a split type communication device comprises a split type main module and a split type slave module, wherein the split type main module comprises a communication module interface, a communication module, a data output level conversion circuit, a data output interface and a first power supply unit, the communication module interface, the communication module, the data output level conversion circuit and the data output interface are sequentially connected, and the first power supply unit is used for providing a working power supply for the split type main module; the split type slave module comprises a data input interface, a data input level conversion circuit, a 4G module with an SIM card seat, a built-in antenna and a second power supply unit which provides a working power supply for the split type slave module, wherein the data input interface, the data input level conversion circuit, the 4G module with the SIM card seat and the built-in antenna are sequentially connected, and the data output interface is connected with the data input interface through a network communication line.

Further, first power supply unit still is connected with first power indicator, communication module still is connected with first NET pilot lamp and first T/X pilot lamp, second power supply unit still is connected with second power indicator, the 4G module still is connected with second NET pilot lamp and second T/X pilot lamp.

Further, the communication module is an RS485 communication module.

Further, the data output level conversion circuit adopts a power supply module with the model number of XL 6019E.

Further, the data input level conversion circuit adopts a power supply module with the model number LM 2576S.

Further, the data output interface and the data input interface adopt a TC485H communication chip to realize data communication between the split type master module and the split type slave module.

Compared with the prior art, the utility model has the advantages of: when the utility model is used, after the external acquisition terminal is started to enter a working state, the AT instruction can be issued to the communication module through the communication module interface of the split main module, the instruction signal converts TTL level signals into RS485 differential signals through the data output level conversion circuit, and then the data signal is sent to the data input level conversion circuit through the data output interface, the network communication line and the data input interface, the RS485 signals are converted into TTL signals and finally sent to the 4G module; the 4G module replies corresponding instruction to acquisition terminal after receiving the AT instruction, so carry out acquisition terminal and 4G module and carry out data interchange, log in main website server until outside acquisition terminal, the utility model has the advantages of simple structure, convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the split communication device of the present invention.

Fig. 2 is a connection diagram of the specific modules of the split communication device of the present invention.

Fig. 3 is a circuit diagram of the communication interface module, the communication module and the data output interface in the split main module according to the present invention.

Fig. 4 is a circuit diagram of a data output level shift circuit in the split main module according to the present invention.

Fig. 5 is a circuit diagram of the first power supply unit/the second power supply unit according to the present invention.

Fig. 6 is the circuit diagram of the power indicator, NET indicator and T/X indicator in the split main module.

Fig. 7 is a circuit diagram of a split slave module of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1 and fig. 2, the utility model provides a split type communication device, including split type master module and split type slave module, wherein, split type master module all is an independent structure product with split type slave module, and split type master module all is equipped with the shell with split type slave module, and the inside loading of shell has the circuit board, sets up corresponding module circuit on the circuit board.

In this embodiment, referring to fig. 3, the split main module includes a communication module interface 2, a communication module 3, a data output level conversion circuit 4, and a data output interface 5, which are connected in sequence, and a first power supply unit 1 for providing a working power supply for the split main module.

In this embodiment, the split slave module B includes a data input interface 6, a data input level conversion circuit 7, a 4G module 8 with a SIM card socket, and a built-in antenna 9, which are connected in sequence, and a second power supply unit 10 for providing a working power supply to the split slave module B, and the data output interface is connected to the data input interface through a network communication line.

Referring to fig. 5, a circuit diagram of the first power supply unit 1 or the second power supply unit 10 is shown, and a chip of PS3120A is mainly used.

Referring to fig. 6, the first power supply unit 1 is further connected with a first power indicator lamp ZLED1, the communication module 3 is further connected with a first NET indicator lamp ZLED2 and a first T/X indicator lamp ZLED3, the second power supply unit 10 is further connected with a second power indicator lamp ZLED1, and the 4G module 8 is further connected with a second NET indicator lamp ZLED2 and a second T/X indicator lamp ZLED 3.

Preferably, the communication module 3 is an RS485 communication module, and the data output level conversion circuit 4 is a power module of a model XL6019E, as shown in fig. 4.

Preferably, the data output interface 5 and the data input interface 6 both adopt TC485H communication chips to realize data communication between the master communication module and the slave communication module.

Referring to fig. 7, the data input level shifter 7 uses a power module of model LM 2576S. The 4G module 8 with the SIM card holder and the built-in antenna 9 can be purchased directly, for example, the model of the 4G module 8 is M72-D.

The working principle of the utility model is that, after the collection terminal is powered on, the AT instruction is issued to the communication module 3 through the communication module interface 2 inserted into the main module of the split communication module on the collection terminal communication module, the instruction signal converts TTL level signal into RS485 differential signal through the data output level conversion circuit 4, and then the data is sent to the data input level conversion circuit 7 through the data output interface 5, the network communication line and the data input interface 6, the RS485 signal is converted into TTL signal, and finally the TTL signal is sent to the 4G module 8, and the SIM card is arranged in the SIM card seat of the 4G module 8; reply corresponding instruction to acquisition terminal after the AT instruction is received to 4G module 8, so carry out acquisition terminal and 4G module 8 and carry out data interchange, log in main website server until acquisition terminal, the utility model has the advantages of simple structure, convenient to use.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. A split communication device, comprising: the split type master module comprises a communication module interface, a communication module, a data output level conversion circuit, a data output interface and a first power supply unit, wherein the communication module interface, the communication module, the data output level conversion circuit and the data output interface are sequentially connected, and the first power supply unit is used for providing a working power supply for the split type master module; the split type slave module comprises a data input interface, a data input level conversion circuit, a 4G module with an SIM card seat, a built-in antenna and a second power supply unit which provides a working power supply for the split type slave module, wherein the data input interface, the data input level conversion circuit, the 4G module with the SIM card seat and the built-in antenna are sequentially connected, and the data output interface is connected with the data input interface through a network communication line.

2. The split communication device of claim 1, wherein: the first power supply unit is further connected with a first power indicator lamp, the communication module is further connected with a first NET indicator lamp and a first T/X indicator lamp, the second power supply unit is further connected with a second power indicator lamp, and the 4G module is further connected with a second NET indicator lamp and a second T/X indicator lamp.

3. The split communication device of claim 1, wherein: the communication module is an RS485 communication module.

4. The split communication device of claim 1, wherein: the data output level conversion circuit adopts a power supply module with the model number XL 6019E.

5. The split communication device of claim 1, wherein: the data input level conversion circuit adopts a power supply module with the model number LM 2576S.

6. The split communication device of claim 1, wherein: the data output interface and the data input interface adopt TC485H communication chips to realize data communication between the split type master module and the split type slave module.