CN211457160U

CN211457160U - Data transmission conversion equipment applied to Internet of things

Info

Publication number: CN211457160U
Application number: CN202020539528.7U
Authority: CN
Inventors: 陈忠兴
Original assignee: Foshan Deseman Technology Co Ltd
Current assignee: Foshan Deseman Technology Co Ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-09-08
Anticipated expiration: 2030-04-13

Abstract

A data transmission conversion device applied to the Internet of things comprises an MCU (microprogrammed control Unit) main control module, a hardware watchdog, an RTC (real time clock) clock module, a DDR (double data rate) memory, a full-network communication module, an SIM (subscriber identity module) card, a PHY (physical layer) interface, a surge protection module and an Ethernet, wherein the full-network communication module and an Ethernet connection module are simultaneously introduced into an internal circuit module, so that a transmission mode of internal network and external network connection is realized, and the MCU main control module automatically carries out switching actions, so that the transmission mode is diversified, and the phenomenon of data transmission interruption caused by single network signal failure is avoided; further, the voltage stabilizing input module, the low-power-consumption power conversion module and the serial port level conversion module which are sequentially connected are arranged in the power supply module, so that the power supply input is kept stable, a stable working environment is provided for the operation of an internal circuit, meanwhile, the MCU main control module can continue to operate through the low-power-consumption power conversion module after an external power supply is cut off, the basic operation of the MCU main control module is guaranteed, and the function damage of the MCU main control module is prevented.

Description

Data transmission conversion equipment applied to Internet of things

Technical Field

The utility model belongs to the technical field of thing networking data transmission, concretely relates to be applied to data transmission conversion equipment on the thing networking.

Background

The internet of things technology is a high and new technology emerging in recent years, and to realize that the internet of things needs a large amount of data transmission and conversion for technical support, so that data transmission and conversion equipment applied to the internet of things becomes a main infrastructure for the development of the internet of things technology, the data transmission and conversion equipment on the market is mainly divided into two types, one type is dependent on an external network for data transmission and conversion, the other type is dependent on an internal network for data transmission and conversion, and both have advantages and disadvantages, and meanwhile, the two types have a common transmission defect that the transmission mode is single, when a transmission network fails, data transmission is immediately interrupted, so that data is incomplete or missing, and the function is abnormal, and meanwhile, in the aspect of power supply, the existing data transmission and conversion equipment is unstable in processing on a power supply voltage stabilizing circuit, voltage fluctuation often occurs, and the internal working voltage of the equipment vibrates, therefore, the phenomenon of abnormal function of the internal electric device is damaged, and meanwhile, after the external power supply network is cut off, the equipment can stop all work quickly, so that the internal electric device is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a data transmission conversion equipment applied to the Internet of things.

The utility model provides a technical scheme that technical problem adopted is:

a data transmission conversion equipment applied to the Internet of things comprises: the MCU main control module is used for processing various protocol data conversion at high speed; the hardware watchdog is directly connected with the MCU main control module and is used for monitoring whether the equipment is normal in a data transmission task; the RTC clock module is directly connected with the MCU master control module and provides an accurate time reference for the MCU master control module; the DDR memory is directly connected with the MCU master control module and is used for storing and executing data; the device comprises a whole network communication module and an SIM card, wherein the SIM card is connected with an MCU main control module through the whole network communication module and is used for communicating a wireless network, and the device is communicated with an external network for data transmission through the external network; the device comprises a PHY interface, a surge protection module and an Ethernet, wherein the Ethernet is connected with an MCU main control module through the surge protection module and the PHY interface in sequence and is used for being connected with a line network, the device is communicated with an intranet, and data transmission is carried out through the intranet; and the power supply module is respectively connected with the MCU main control module, the hardware watchdog, the RTC clock module and the DDR memory to provide electric energy.

The utility model discloses in, still include the casing, the back of casing is equipped with power source and LAN interface, the upper surface of casing is equipped with a plurality of pilot lamp, the side of casing is equipped with the louvre and the draw-in groove of dot matrix arrangement structure.

The utility model discloses in, power module is including consecutive steady voltage input module, low-power consumption power conversion module and serial ports level conversion module, steady voltage input module is direct to be connected with MCU host system, low-power consumption power conversion module passes through serial ports level conversion module and is connected with MCU host system.

In the utility model, the voltage-stabilizing input module comprises a synchronous rectifier, the No. 1 pin of the synchronous rectifier is connected with a first annular circuit composed of a diode D2, an inductor L1 and a capacitor C2 which are connected in turn, the connection point of the No. 1 pin and the first annular circuit is positioned between D2 and C2, the anode of D2 is connected with L1, the No. 2 pin of the synchronous rectifier is connected with the cathode of the diode D1, the cathode of the Zener diode Z1, a resistor R4, a capacitor C1, C5 and C6, the anodes of C1, C5, C6 and Z1 are all grounded, the anode of D1 is connected with a bidirectional port, the No. 3 pin of the synchronous rectifier is connected with the first annular circuit, the connection point of the No. 3 pin and the first annular circuit is positioned between L1 and C2, the No. 4 pin of the synchronous rectifier is grounded, the No. 5 pin of the synchronous rectifier is connected with R1 and R2, r2 ground connection, R1 links to each other with the output, and the output still links to each other with first annular circuit, electric capacity C7, C8 are direct, and the output is located between L1 and D2 with the tie point of first annular circuit, and C7, C8 all ground connection, synchronous rectifier's No. 6 pin links to each other with electric capacity C4, and the C4 other end even has a resistance R3 that grounds, synchronous rectifier's No. 7 pin and resistance R4, R5 are direct to be connected, and R5 ground connection, synchronous rectifier's No. 8 pin even has a capacitance C3 that grounds.

The utility model has the advantages that: the utility model discloses an introduce whole network communication module and ethernet connection module simultaneously in the internal circuit module to realize the transmission mode that intranet and extranet are connected together, through the automatic switching action of MCU host system, thereby make the transmission mode diversified, avoid single network signal trouble and the phenomenon that data transmission breaks off; further, the voltage stabilizing input module, the low-power-consumption power conversion module and the serial port level conversion module which are sequentially connected are arranged in the power supply module, so that the power supply input is kept stable, a stable working environment is provided for the operation of an internal circuit, meanwhile, the MCU main control module can continue to operate through the low-power-consumption power conversion module after an external power supply is cut off, the basic operation of the MCU main control module is guaranteed, and the function damage of the MCU main control module is prevented.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic connection diagram of the present embodiment;

FIG. 2 is a front view of the housing of the present embodiment;

FIG. 3 is a right side view of the housing of the present embodiment;

FIG. 4 is a bottom view of the housing of the present embodiment;

FIG. 5 is a circuit diagram of a voltage-stabilizing input module according to the present embodiment;

FIG. 6 is a circuit diagram of a low power switching module according to the present embodiment;

fig. 7 is a circuit model diagram of the serial port level conversion module according to the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Example (b):

as shown in fig. 1 to 4, the embodiment discloses a data transmission and conversion device applied to the internet of things, including: the system comprises an MCU (microprogrammed control Unit) main control module 1, a hardware watchdog 2, an RTC (real time clock) clock module 3, the MCU main control module 1, a DDR (double data rate) memory 4, a full-network communication module 5, an SIM (subscriber identity module) card 6, a PHY (physical layer) interface 7, a surge protection module 8, an Ethernet 9 and a power supply module 10, and is used for processing various protocol data conversion at a high speed; the hardware watchdog 2 is directly connected with the MCU main control module 1 and used for monitoring whether the equipment is normal in a data transmission task; the RTC clock module 3 is directly connected with the MCU main control module 1 and provides accurate time reference for the MCU main control module 1, so that the running timeliness of the equipment is guaranteed; the DDR memory 4 is directly connected with the MCU main control module 1 and is used for storing and executing data; the system comprises a whole network communication module 5 and an SIM card 6, wherein the SIM card 6 is connected with the MCU main control module 1 through the whole network communication module 5 and is used for communicating a wireless network, equipment is communicated with an external network, and data transmission is carried out through the external network, and the whole network communication module 5 can be a 4G/5G communication module; the device comprises a PHY interface 7, a surge protection module 8 and an Ethernet 9, wherein the Ethernet 9 is connected with the MCU main control module 1 through the surge protection module 8 and the PHY interface 7 in sequence and is used for being connected with a line network, the device is communicated with an intranet, and data transmission is carried out through the intranet; power module 10 is connected with MCU host system 1, hardware watchdog 2, RTC clock module 3, DDR memory 4 respectively and is provided the electric energy, the utility model discloses an introduce whole network communication module 5 and ethernet 9 linking module simultaneously in the internal circuit module to realize the transmission mode that intranet and extranet link together, through MCU host system 1 automatic implementation switching action, thereby make transmission mode diversified, avoid single network signal trouble and the phenomenon that data transmission interrupted appears.

As a preferred embodiment, as shown in fig. 2 to 4, the portable electronic device further includes a housing 11, a power source 12 and a LAN interface 13 are disposed on the back of the housing 11, a plurality of indicator lights 14 are disposed on the upper surface of the housing 11, heat dissipation holes 15 and clamping grooves 16 of a dot matrix arrangement structure are disposed on the side surface of the housing 11, the housing 11 includes a base and a surface cover which are mutually matched, the surface cover is of an L-shaped plate structure, glue injection grooves 20 are disposed on the edges of the base and the surface cover, glue injection holes 21 are disposed on the surface cover, when the base and the surface cover are assembled, the surface cover is firstly assembled on the base, then the base and the surface cover are locked by locking bolts, waterproof glue is injected into the glue injection holes 21, and the waterproof glue is injected along the glue injection grooves 20, so that an assembly gap between the base and the surface cover is encapsulated by the waterproof glue, thereby achieving good waterproof performance.

As a preferred embodiment, the power module 10 includes a voltage-stabilizing input module 17, a low-power-consumption power conversion module 18 and a serial port level conversion module 19, which are connected in sequence, the voltage-stabilizing input module 17 is directly connected to the MCU main control module 1, the low-power-consumption power conversion module 18 is connected to the MCU main control module 1 through the serial port level conversion module 19, and the voltage-stabilizing input module 17, the low-power-consumption power conversion module 18 and the serial port level conversion module 19, which are connected in sequence, are disposed in the power module 10, so that power input is kept stable, a stable working environment is provided for internal circuit operation, and the MCU main control module 1 can continue to operate through the low-power-consumption power conversion module 18 after an external power is cut off, thereby ensuring basic operation thereof and preventing functional damage thereof.

In this embodiment, as shown in fig. 5, the regulated voltage input module 17 includes a synchronous rectifier, the pin 1 of the synchronous rectifier is connected to a first loop circuit formed by sequentially connecting a diode D2, an inductor L1 and a capacitor C2, the connection point of the pin 1 and the first loop circuit is located between D2 and C2, the anode of D2 is connected to L1, the pin 2 of the synchronous rectifier is directly connected to the cathode of the diode D1, the cathode of the zener diode Z1, a resistor R4, a capacitor C1, C5 and C6, the anodes of C1, C5, C6 and Z1 are all grounded, the anode of D1 is connected to a bidirectional port, the pin 3 of the synchronous rectifier is connected to the first loop circuit, the connection point of the pin 3 and the first loop circuit is located between L1 and C2, the pin 4 of the synchronous rectifier is grounded, and the pin 5 of the synchronous rectifier is connected to the resistor R1, R2 direct link to each other, R2 ground connection, R1 links to each other with the output, the output still with first annular circuit, electric capacity C7, C8 direct link to each other, the output is located between L1 and D2 with the tie point of first annular circuit, C7, C8 all ground connection, synchronous rectifier's No. 6 pin links to each other with electric capacity C4, and the C4 other end even has a resistance R3 that grounds, synchronous rectifier's No. 7 pin and resistance R4, R5 direct link to each other, R5 ground connection, synchronous rectifier's No. 8 pin even has a capacitance C3 that grounds.

In this embodiment, as shown in fig. 6 and 7, the low power consumption power switching module includes a transistor Q, a base of the transistor Q is connected to the signal-on terminal GPIOEN, an emitter of the transistor Q is connected to the low power consumption power VBAT, a collector of the transistor Q is directly connected to an external power source, a capacitor C, and a capacitor C, all of which are grounded, the serial port level conversion module 19 is connected to a VCC system and a VCC system, the VCC system is directly connected to resistors R and R, the resistor R is directly connected to the capacitor C, an anode of a diode D, a first receiving terminal RXD, the capacitor C is grounded, a cathode of the diode D is connected to a second sending terminal TXD, the capacitor C is directly connected to the base of the transistor Q, the capacitor C is grounded, an emitter of the transistor Q is connected to the first sending terminal TXD, the VCC system is connected to the resistor R, a collector of the transistor Q, the collector of the transistor, The second receiving end RXD2 is directly connected, and the capacitors C1, C6, C7, C14 and C15 are all electrolytic capacitors.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a be applied to data transmission conversion equipment on thing networking which characterized in that includes:

the MCU main control module (1) is used for processing various protocol data conversion at high speed;

the hardware watchdog (2) is directly connected with the MCU main control module (1) and is used for monitoring whether the equipment is normal in a data transmission task;

the RTC clock module (3) is directly connected with the MCU main control module (1) and provides an accurate time reference for the MCU main control module (1);

the DDR memory (4) is directly connected with the MCU master control module (1) and is used for storing and executing data;

the device comprises a whole network communication module (5) and an SIM card (6), wherein the SIM card (6) is connected with the MCU main control module (1) through the whole network communication module (5) and is used for being communicated with a wireless network, and the device is communicated with an external network for data transmission through the external network;

the device comprises a PHY interface (7), a surge protection module (8) and an Ethernet (9), wherein the Ethernet (9) is connected with the MCU main control module (1) through the surge protection module (8) and the PHY interface (7) in sequence and is used for being connected with a line network, the equipment is communicated with an intranet, and data transmission is carried out through the intranet;

and the power supply module (10) is respectively connected with the MCU master control module (1), the hardware watchdog (2), the RTC clock module (3) and the DDR memory (4) to provide electric energy.

2. The data transmission and conversion equipment applied to the Internet of things of claim 1, wherein: the LED lamp is characterized by further comprising a casing (11), wherein a power supply interface (12) and a LAN interface (13) are arranged on the back of the casing (11), a plurality of indicator lamps (14) are arranged on the upper surface of the casing (11), and heat dissipation holes (15) and clamping grooves (16) of a dot matrix arrangement structure are formed in the side face of the casing (11).

3. The data transmission and conversion equipment applied to the Internet of things of claim 1, wherein: the power supply module (10) comprises a voltage stabilization input module (17), a low-power-consumption power conversion module (18) and a serial port level conversion module (19) which are sequentially connected, the voltage stabilization input module (17) is directly connected with the MCU master control module (1), and the low-power-consumption power conversion module (18) is connected with the MCU master control module (1) through the serial port level conversion module (19).

4. The data transmission and conversion equipment applied to the Internet of things of claim 3, wherein: the stabilized voltage input module (17) comprises a synchronous rectifier, a pin 1 of the synchronous rectifier is connected with a first annular circuit consisting of a diode D2, an inductor L1 and a capacitor C2 which are sequentially connected, the connection point of the pin 1 and the first annular circuit is positioned between D2 and C2, the anode of D2 is connected with L1, a pin 2 of the synchronous rectifier is directly connected with the cathode of the diode D1, the cathode of a stabilized diode Z1, a resistor R4, a capacitor C1, C5 and C6, the anodes of C1, C5, C6 and Z1 are all grounded, the anode of D1 is connected with a bidirectional port, a pin 3 of the synchronous rectifier is connected with the first annular circuit, the connection point of the pin 3 and the first annular circuit is positioned between L1 and C2, a pin 4 of the synchronous rectifier is grounded, a pin 5 of the synchronous rectifier is directly connected with resistors R1, R2 and R2, r1 links to each other with the output, and the output still links to each other with first annular circuit, electric capacity C7, C8 are direct, and the output is located between L1 and D2 with the tie point of first annular circuit, and C7, C8 are all earthed, synchronous rectifier's No. 6 pin links to each other with electric capacity C4, and the C4 other end even has a resistance R3 that earths, synchronous rectifier's No. 7 pin and resistance R4, R5 are direct to be connected to each other, and R5 is earthed, synchronous rectifier's No. 8 pin even has a capacitor C3 that earths.