CN212060927U - Central chip circuit of intelligent wagon balance weighing system - Google Patents

Abstract

The utility model discloses an intelligence weighbridge weighing system central chip circuit, including power supply system, 4G communication module, LED shows, TF card circuit, central processing chip, WIFI communication module, bee calling organ, reset circuit, LED instruction and serial ports communication circuit, central processing chip is connected with power supply system, 4G communication module, LED demonstration, WIFI communication module, serial ports communication circuit, reset circuit, LED instruction, bee calling organ and TF card circuit, central processing chip's output and 4G communication module, LED show, TF card circuit, central processing chip, WIFI communication module, bee calling organ, reset circuit, LED instruction and serial ports communication circuit's input electric connection. An intelligence weighbridge weighing system central chip circuit, can improve people's availability factor, can also improve the accurate performance that weighbridge weighed, the simple operation, convenient to use, the practicality is strong, brings better use prospect.

Description

Central chip circuit of intelligent wagon balance weighing system

Technical Field

The utility model relates to a central chip circuit field, in particular to intelligence weighbridge weighing system central chip circuit.

Background

The intelligent weighbridge weighing system central chip circuit is the support equipment that is convenient for intelligent weighbridge weighs, in the use that intelligent weighbridge was weighed, in order to improve the accurate performance that intelligent weighbridge was weighed, operating performance is more, need use intelligent weighbridge weighing system central chip circuit to weigh, improve people's availability factor, also improve people's work efficiency, along with the continuous development of science and technology, people also are more and more high to the manufacturing process requirement of intelligent weighbridge weighing system central chip circuit.

The central chip circuit of the existing intelligent wagon balance weighing system has certain defects when in use, when the wagon balance is used for weighing, the precision performance is poor, the intelligence is poor, certain adverse effects are brought to the use process of people, and therefore the central chip circuit of the intelligent wagon balance weighing system is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an intelligence weighbridge weighing system central chip circuit possesses the simple operation, and convenient to use and practicality advantage such as strong can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an intelligence weighbridge weighing system central chip circuit, includes power supply system, 4G communication module, and LED shows, TF card circuit, central processing chip, WIFI communication module, bee calling organ, reset circuit, LED instruct with the serial ports, central processing chip is connected with power supply system, 4G communication module, LED show, WIFI communication module, serial ports communication circuit, reset circuit, LED instruct, bee calling organ and TF card circuit.

Preferably, the output end of the central processing chip is electrically connected with the input end of the 4G communication module, the LED display, the TF card circuit, the central processing chip, the WIFI communication module, the buzzer, the reset circuit and the LED indication and serial port communication circuit.

Preferably, the power supply system is divided into 2 power supply systems, the 2 power supply systems are divided into a core board system power supply and other system power supplies, the core board power supply system adopts a chip MP1482, the MP1482 is a synchronous rectification step-down DC-DC with 2 MOS transistors built in, and belongs to a current mode control mode, the other system power supply system adopts a chip TPS54335, the chip is a synchronous converter, the input voltage is between 4.5V and 28V, and the series of devices are integrated with a low-side switching effect transistor.

Preferably, the 4G communication module adopts the EC20 module, adopts the module of 4G full net expert, and the inside nuclear core plate of weighbridge weighing system passes through the 4G network and uploads surveillance video to the high in the clouds, LED shows that central processing unit passes through serial ports communication mode, shows license plate information and weighing information.

Preferably, the serial communication circuit is divided into a 232 communication circuit and a 485 communication circuit, the 232 communication circuit adopts C86 and C87 to remove high-frequency interference, a TVS (transient voltage suppressor) and resistors R119 and R122 are used for protecting the communication circuit, the 485 communication circuit uses an SP3485 chip to convert TTL (transistor-transistor) signals into 485 communication information, and a triode Q10 is used for converting the transmitted information into 485 enabling signals.

Preferably, the reset circuit is used for resetting the central processing chip, when a core board in the weigh system of the weigh scale is disconnected from a network or has other faults and cannot run, the hardware reset circuit is used for forcibly disconnecting the power supply to enable the power supply system to run again, the LED indication is used for indicating whether the weigh box is in a running state or a fault state, and 3.3V is adopted for supplying power.

Preferably, the buzzer adopts a C50 capacitor for filtering, and is used for prompting whether to process a fault state, and the core board chip in the TF card circuit reads the SD card data through the SD card reading circuit and stores the video monitoring data in the SD card.

Preferably, the central processing chip and the WIFI communication module adopt a high-performance core board A6G2C, use an A7 kernel, and integrate an industrial-grade WIFI module, and the core board is used for collecting various signals.

(III) advantageous effects

Compared with the prior art, the utility model provides an intelligence weighbridge weighing system central chip circuit possesses following beneficial effect:

the central chip circuit of the intelligent weighbridge weighing system is respectively a power supply system, a 4G communication module, an LED display, a TF card circuit, a central processing chip, a WIFI communication module, a buzzer, a reset circuit, an LED indicator and a serial port communication circuit, the central processing chip and the WIFI communication module adopt a high-performance core board A6G2C, an A7 kernel is used and integrated into an industrial-grade WIFI module, the core board is used for collecting various signals, such as data of a vehicle weighing system, a license plate identification system and the like, then the data are displayed by an LED dot matrix, a serial port printer and the like, the data are uploaded by the 4G communication module, the power supply system is divided into 2 power supply systems, the core board supplies power and other systems, such as the 4G module, the TF card and the like, the aim of ensuring the stability of the system is achieved, the core board power supply system adopts a chip MP1482 of an American core source company, the MP1482 is a synchronous rectification step-down DC-DC with 2 MOS, the power supply system of other systems adopts a chip TPS54335 of a Texas instrument TI in America, the series of chips are synchronous converters, the input voltage is between 4.5V and 28V, the series of devices are integrated with low-side switching effect transistors, the requirement on an external diode is eliminated, the number of components is reduced, a Shanghai moving EC20 module is used, a 4G full-network communication module is adopted, a core board uploads a monitoring video to the cloud end through a 4G network, an LED dot matrix display is realized, a central processing unit displays license plate information and weighing information in a serial port communication mode, and simultaneously prompts whether a truck can pass or not, a serial port communication circuit is divided into a 232 communication circuit and a 485 communication circuit, the 232 communication circuit adopts C86, C87 removes high-frequency interference, a TVS tube and resistors R119 and R122 are used for protecting the communication circuit, the 485 communication circuit adopts an SP3485 chip to convert TTL signals into 485 communication signals, the triode Q10 is used for converting a sending signal into an enabling signal of 485, the reset circuit is used for resetting the central processing chip, when a core board is disconnected or has other faults and cannot operate, the hardware reset circuit is used for forcibly disconnecting the power supply and re-operating the power supply system, the KEY1 in the communication circuit is a KEY, when the KEY1 is pressed down, the RST level is changed into low level, when the KEY1 is loosened, the level is changed into high level, the D9 is TVS and is used for preventing the shaking level generated by the KEY from damaging the hardware circuit, the LED circuit is used for indicating whether the weighing box is in an operating state or a fault state, 3.3V is used for supplying power, 3 LEDs are used for displaying different states, the triode Q1 is used for amplifying the signal by the buzzer circuit, the C50 capacitor is used for filtering the buzzer circuit, the LED indicating lamp is similar to an LED indicating lamp and is used for telling a client whether the fault state is processed at, the core board chip reads the SD card data through the SD card reading circuit and stores the video monitoring data in the SD card, and the central chip circuit of the whole intelligent wagon balance weighing system is simple in structure, convenient to operate and better in using effect compared with the traditional mode.

Drawings

Fig. 1 is the utility model discloses a circuit structure schematic diagram of intelligence weighbridge weighing system central chip circuit.

Fig. 2 is one of the schematic structural diagrams of the local circuit in the central chip circuit of the intelligent weighbridge weighing system of the present invention.

Fig. 3 is a second schematic diagram of a local circuit in a central chip circuit of an intelligent weighbridge weighing system according to the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, an intelligent weighbridge weighing system central chip circuit comprises a power supply system, a 4G communication module, an LED display, a TF card circuit, a central processing chip, a WIFI communication module, a buzzer, a reset circuit, an LED indication and a serial port, wherein the central processing chip is connected with the power supply system, the 4G communication module, the LED display, the WIFI communication module, the serial port communication circuit, the reset circuit, the LED indication, the buzzer and the TF card circuit.

Furthermore, the output end of the central processing chip is electrically connected with the input end of the 4G communication module, the LED display, the TF card circuit, the central processing chip, the WIFI communication module, the buzzer, the reset circuit and the LED indication and serial port communication circuit, so that the accuracy of data acquisition is improved.

Further, the power supply system is divided into 2 power supply systems, the 2 power supply systems are divided into a core board system power supply and other system power supplies, the core board power supply system adopts a chip MP1482, the MP1482 is a synchronous rectification step-down DC-DC with 2 MOS tubes inside, the current mode control mode belongs to, the other system power supply system adopts a chip TPS54335, the chip is a synchronous converter, the input voltage is between 4.5V and 28V, and the series of devices are integrated with a low-side switching effect transistor, so that the stability of the system is ensured.

Further, the 4G communication module adopts the EC20 module, adopts the full net of 4G to lead to the module, and the inside nuclear core plate of weighbridge weighing system passes through the 4G network and uploads surveillance video to the high in the clouds, and LED shows that central processing unit passes through serial ports communication mode, shows license plate information and weighing information, improves transmission data's efficiency.

Further, serial communication circuit divide into 232 communication circuit and 485 communication circuit, and 232 communication circuit adopts C86, and high frequency interference is got rid of to C87, uses TVS pipe and resistance R119 and R122 protection communication circuit, and 485 communication circuit uses the SP3485 chip to convert the TTL signal into 485 communication information, and triode Q10 is the enabling signal that is used for converting the routing information into 485, can play the effect of suggestion.

Furthermore, the reset circuit is used for resetting the central processing chip, when a core board in the local pound weighing system is disconnected or has other faults and cannot run, the hardware reset circuit is used for forcibly disconnecting the power supply so that the power supply system runs again, the LED indication is used for indicating whether the weighing box is in a running state or a fault state, 3.3V power supply is adopted, and the hardware circuit is prevented from being damaged by the jitter level generated by the keys.

Furthermore, the buzzer adopts a C50 capacitor for filtering and is used for prompting whether to process the fault state, and a core board chip in the TF card circuit reads the data of the SD card through the SD card reading circuit and stores the video monitoring data in the SD card, so that people can be informed whether to process the fault state at present.

Further, central processing chip adopts high performance nuclear core plate A6G2C with WIFI communication module, uses the A7 kernel to integrated industrial level WIFI module, nuclear core plate is used for collecting various signals, improves the efficiency that data uploaded.

The working principle is as follows: the central chip circuit of the intelligent weighbridge weighing system is respectively a power supply system, a 4G communication module, an LED display, a TF card circuit, a central processing chip, a WIFI communication module, a buzzer, a reset circuit, an LED indicator and a serial port communication circuit, the central processing chip and the WIFI communication module adopt a high-performance core board A6G2C, an A7 kernel is used and integrated into an industrial-grade WIFI module, the core board is used for collecting various signals, such as data of a vehicle weighing system, a license plate identification system and the like, then the data are displayed by an LED dot matrix, a serial port printer and the like, the data are uploaded by the 4G communication module, the power supply system is divided into 2 power supply systems, the core board supplies power and other systems, such as the 4G module, the TF card and the like, the aim of ensuring the stability of the system is achieved, the core board power supply system adopts a chip MP1482 of an American core source company, the MP1482 is a synchronous rectification step-down DC-DC with 2 MOS, the power supply system of other systems adopts a chip TPS54335 of a Texas instrument TI in America, the series of chips are synchronous converters, the input voltage is between 4.5V and 28V, the series of devices are integrated with low-side switching effect transistors, the requirement on an external diode is eliminated, the number of components is reduced, a Shanghai moving EC20 module is used, a 4G full-network communication module is adopted, a core board uploads a monitoring video to the cloud end through a 4G network, an LED dot matrix display is realized, a central processing unit displays license plate information and weighing information in a serial port communication mode, and simultaneously prompts whether a truck can pass or not, a serial port communication circuit is divided into a 232 communication circuit and a 485 communication circuit, the 232 communication circuit adopts C86, C87 removes high-frequency interference, a TVS tube and resistors R119 and R122 are used for protecting the communication circuit, the 485 communication circuit adopts an SP3485 chip to convert TTL signals into 485 communication signals, the triode Q10 is used for converting a sending signal into an enabling signal of 485, the reset circuit is used for resetting the central processing chip, when the core board is disconnected from the network or has other faults and cannot run, the hardware reset circuit is used for forcibly disconnecting the power supply, the power supply system does not run again, the KEY1 in the communication circuit is a KEY, when the KEY1 is pressed down, the level of RST is changed into low level, when the KEY1 is loosened, the level is changed into high level, the D9 is TVS and is used for preventing the shaking level generated by the KEY from damaging the hardware circuit, the LED circuit is used for indicating whether the weighing box is in a running state or a fault state, 3.3V is used for supplying power, 3 LEDs are used for displaying different states, the buzzer circuit uses the triode Q1 for amplifying the signal, a C50 capacitor for filtering the buzzer circuit and is similar to an LED indicator lamp and is used for telling a client whether the fault state is processed at present, the core board chip reads the SD card data through the SD card reading circuit and stores the video monitoring data in the SD card, and the central chip circuit of the whole intelligent wagon balance weighing system is simple in structure, convenient to operate and better in using effect compared with the traditional mode.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an intelligence weighbridge weighing system central chip circuit, includes power supply system, 4G communication module, and LED shows, TF card circuit, central processing chip, WIFI communication module, bee calling organ, reset circuit, LED instruct and serial ports communication circuit, its characterized in that: the central processing chip is connected with a power supply system, a 4G communication module, an LED display module, a WIFI communication module, a serial port communication circuit, a reset circuit, an LED indication module, a buzzer and a TF card circuit.

2. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: the output end of the central processing chip is electrically connected with the input end of the 4G communication module, the LED display, the TF card circuit, the central processing chip, the WIFI communication module, the buzzer, the reset circuit and the LED indication and serial port communication circuit.

3. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: the power supply system is divided into 2 power supply systems, the 2 power supply systems are divided into a core board system power supply and other system power supplies, the core board power supply system adopts a chip MP1482, the MP1482 is a synchronous rectification step-down DC-DC with 2 built-in MOS tubes, the current type control mode belongs to, the other system power supply system adopts a chip TPS54335, the chip is a synchronous converter, the input voltage is between 4.5V and 28V, and the series of devices are integrated with a low-side switching effect transistor.

4. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: 4G communication module adopts the EC20 module, adopts the module of 4G full net expert, and the inside nuclear core plate of weighbridge weighing system passes through the 4G network and uploads surveillance video to the high in the clouds, LED shows that central processing unit passes through serial ports communication mode, comes out license plate information and weighing information display.

5. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: the serial port communication circuit is divided into a 232 communication circuit and a 485 communication circuit, the 232 communication circuit adopts C86 and C87 to remove high-frequency interference, a TVS (transient voltage suppressor) tube and resistors R119 and R122 are used for protecting the communication circuit, the 485 communication circuit uses an SP3485 chip to convert TTL (transistor-transistor) signals into 485 communication information, and a triode Q10 is used for converting the transmitted information into 485 enabling signals.

6. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: the reset circuit is used for resetting the central processing chip, a hardware reset circuit is used for forcibly disconnecting the power supply when a core board in the local pound weighing system is disconnected or has other faults and cannot run, so that the power supply system runs again, the LED indication is used for indicating whether the weighing box is in a running state or a fault state, and 3.3V power supply is adopted.

7. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: the buzzer adopts a C50 capacitor for filtering and is used for prompting whether to process a fault state, and a core board chip in the TF card circuit reads SD card data through an SD card reading circuit and stores video monitoring data in the SD card.

8. The intelligent wagon balance weighing system central chip circuit of claim 1, wherein: central processing chip adopts high performance core board A6G2C with WIFI communication module, uses the A7 kernel to integrated industrial level WIFI module, core board are used for collecting various signals.

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