CN220896004U

CN220896004U - Module plug-in type communication adapter plate

Info

Publication number: CN220896004U
Application number: CN202322588327.2U
Authority: CN
Inventors: 沙伟星; 周用华; 丁志友; 田伟华
Original assignee: Ningde Yikong Power System Co ltd
Current assignee: Ningde Yikong Power System Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-05-03
Anticipated expiration: 2033-09-22

Abstract

The utility model provides a module plug-in type communication adapter plate which is provided with a 4G communication module, a wifi communication module and a Bluetooth communication module, wherein the adapter plate comprises a minimum system circuit module, a power supply module, an onboard 485 communication conversion module, a CAN communication conversion module and a UART communication conversion module, the CAN communication conversion module comprises a CAN transceiver, a CAN transceiver receiving pin and a transmitting pin are connected with a CAN communication interface of a singlechip, the CAN transceiver is connected with a common mode inductor, an output end of the common mode inductor is connected with a terminal resistor in series, the 485 communication conversion module comprises a 485 transceiver, and a data input pin, a data output pin, a receiving enabling end and a transmitting enabling end of the 485 transceiver are connected with an IO interface of the singlechip; according to the utility model, the 4G module, the GPS module, the Bluetooth module, the WiFi module, the onboard 485 module and the CAN module are converted through the singlechip, so that the product volume is controlled; the communication signals of the adapter plate are flexibly converted and matched, and the conversion requirements of different signals of a user can be met.

Description

Module plug-in type communication adapter plate

Technical Field

The utility model relates to the technical field of communication switching, in particular to a module plug-in type communication switching board.

Background

With the continuous development of information technology, the concept of the internet of things gradually enters various industries, and the battery industry is no exception. At present, the battery pack is applied to the scenes including vehicles such as vehicles and ships, and meanwhile, the concept of automatic driving is carried out by more and more manufacturers, so that the battery pack is particularly important to the real-time monitoring of battery state information for vehicles/ships using batteries as energy sources.

At present, most battery information is transmitted through a signal protocol of CAN/RS485 and then is converted into a Bluetooth/WiFi/4G mode to be communicated with a cloud platform, most of existing adapter plates in the market are only aimed at conversion of one protocol, the use of the battery information is not flexible, meanwhile, the data transmission with an Internet of things platform is realized through an adapter module, the signal conversion type is relatively fixed, a user cannot adjust the system according to personal requirements, the use cost is increased, and the development cost is increased; in addition, the current transfer module is relatively large in size, and the space of the battery box is crowded.

Disclosure of utility model

The utility model aims to provide a module plug-in type communication adapter plate.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

The module plug-in type communication adapter plate is provided with a 4G communication module, a wifi communication module and a Bluetooth communication module, and is characterized by further comprising a minimum system circuit module, a power supply module, an onboard 485 communication conversion module, a CAN communication conversion module and a UART communication conversion module,

The power supply module supplies power to the adapter plate device, the CAN communication conversion module comprises a CAN transceiver, a data receiving pin and a data transmitting pin of the CAN transceiver are connected with a CAN communication interface of the singlechip, a high-level signal pin and a low-level signal pin of the CAN transceiver are connected with two input ends of a common-mode inductor, two output ends of the common-mode inductor are connected with a terminal resistor in series,

The 485 communication conversion module comprises a 485 transceiver, and a data input pin, a data output pin, a receiving enabling end and a transmitting enabling end of the 485 transceiver are connected with an IO interface of the singlechip.

Further, the power supply module provides 12V/24V direct current voltage.

Further, the 4G communication module comprises a 4G module socket, the 4G module socket comprises a power supply socket and a communication socket, and the power supply socket is connected with 24V direct current voltage.

Further, two output ends of the common mode inductor are grounded through a capacitor and a TVS (transient voltage suppression switch) ground respectively.

Further, the output end of the 485 transceiver is grounded through a capacitor and a TVS.

According to the utility model, the 4G module, the GPS module, the Bluetooth module, the WiFi module, the onboard 485 module and the CAN module are converted through the singlechip, so that the product volume is controlled; the communication signals of the adapter plate are flexibly converted and matched, and the conversion requirements of different signals of a user can be met.

Drawings

FIG. 1 is a schematic diagram of an interposer of the present utility model;

FIG. 2 is a schematic circuit diagram of the CAN communication conversion module of the utility model;

FIG. 3 is a schematic circuit diagram of a 485 communication conversion module according to the present utility model;

Fig. 4 is a schematic diagram of a 4G module socket according to the present utility model.

Reference numerals:

u1 CAN transceiver, U2 485 transceiver,

A C1 first capacitor, a C2 second capacitor, a C3 third capacitor, a C4 fourth capacitor,

A first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5,

A D1 first TVS tube, a D2 second TVS tube, a D3 third TVS tube, a D4 fourth TVS tube,

A J1 power supply socket, a J2 communication socket and an L common mode inductor.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model discloses a module plug-in type communication adapter plate, which is provided with a 4G communication module, a wifi communication module and a Bluetooth communication module as shown in fig. 1.

As shown in fig. 2, the CAN communication conversion module includes a CAN transceiver U1, the CAN transceiver U1 adopts a TJA1050, and a data receiving pin RXD4 pin and a data transmitting pin TXD1 pin of the CAN transceiver U1 are connected with a CAN communication interface of the single chip microcomputer.

The utility model is used in combination with STM32 series single chip microcomputer, the high level signal pin and the low level signal pin of the CAN transceiver U1 are connected with two input ends of the common mode inductance L, the common mode inductance L plays a role of EMI filtering, two output ends of the common mode inductance L are connected with a terminal resistor in series, the terminal resistor comprises a first resistor R1 and a second resistor R2 which are connected in series, the first resistor R1 and the second resistor R2 are 60.4Ω, and the first resistor R1 and the second resistor R2 are used for coping with electric device damage caused by short circuit fault, so that CAN communication CAN be stabilized.

The two output ends of the common-mode inductor are grounded through a first capacitor C1, a first TVS tube D1, a second capacitor C2 and a second TVS tube D2 respectively, and the first capacitor C1 and the second capacitor C2 are 100PF and 50V.

As shown in fig. 3, the 485 communication conversion module includes a 485 transceiver U2, the 485 transceiver U2 adopts SP3485, a data input pin, a data output pin, a receiving enabling end and a transmitting enabling end of the 485 transceiver U2 are connected with an IO interface of the single chip microcomputer, a B pin of the 485 transceiver U2 is grounded through a third capacitor C3 and a third TVS tube D3, an a pin of the 485 transceiver U2 is grounded through a fourth capacitor C4 and a fourth TVS tube D4, a B pin and an a pin of the 485 transceiver U2 are provided with a third resistor R3, a fourth resistor R4 and a fifth resistor R5 which are connected in parallel, the third resistor R3 is 120Ω, and the fourth resistor R4 and the fifth resistor R5 are each 360 Ω.

The adapter plates are connected in an inserting mode, sockets of a 4G communication module, a wifi communication module and a Bluetooth communication module are reserved on the adapter plates respectively, as shown in fig. 4, the 4G communication module comprises a 4G module socket, the 4G module socket comprises a power supply socket and a communication socket, the power supply socket is connected with 24V direct-current voltage, and the communication socket is connected with a 4G signal receiving and transmitting interface of a singlechip.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The module plug-in type communication adapter plate is provided with a 4G communication module, a wifi communication module and a Bluetooth communication module, and is characterized by further comprising a minimum system circuit module, a power supply module, an onboard 485 communication conversion module, a CAN communication conversion module and a UART communication conversion module,

2. The modular jack communications patch of claim 1, wherein the power module provides a 12V/24V dc voltage.

3. The module plugging type communication adapter plate according to claim 1, wherein the 4G communication module comprises a 4G module socket, the 4G module socket comprises a power supply socket and a communication socket, and the power supply socket is connected with 24V direct current voltage.

4. The modular jack communications patch panel of claim 1, wherein the two outputs of the common mode inductor are grounded through a capacitor and TVS, respectively.

5. The modular jack communication patch panel of claim 1, wherein the output of the 485 transceiver is grounded through a capacitor and a TVS ground.