CN212302262U

CN212302262U - Multi-channel data remote acquisition controller

Info

Publication number: CN212302262U
Application number: CN202021477142.4U
Authority: CN
Inventors: 郁佳峰
Original assignee: Zhejiang Yongtailong Electronic Co ltd
Current assignee: Zhejiang Yongtailong Electronic Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-01-05
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a long-range acquisition controller of multichannel data, including main control chip and connect in main control chip's communication module, input/output interface, storage module and display module, communication module include two way RS485 communication interfaces and ethernet communication interface of the same kind, main control chip be connected with the communication and switch over the button. The utility model discloses set up 2 way RS485 communication interfaces and 1 way ethernet communication interface, can enough realize passing through of data, can realize changeing the agreement transmission again, can be connected to the product of different producers, different agreements, different equipment together, need not to inject the model when the equipment in the change system, have higher flexibility.

Description

Multi-channel data remote acquisition controller

Technical Field

The utility model belongs to the technical field of the electric energy meter, especially, relate to a multichannel data remote acquisition controller.

Background

The data acquisition and control are widely applied in the field of measurement and control, and become an important link of a computer measurement and control system, and particularly when equipment failure monitoring is carried out and a large amount of continuous data are used as information of equipment states, the data acquisition needs to be carried out quickly and accurately to ensure the real-time accuracy of the acquired data. Meanwhile, different manufacturers and equipment also need different processing during data acquisition.

The data acquisition control system generally consists of a data input channel, data storage and management, data processing, data output and display. The input channel is used for realizing detection, sampling and signal conversion of the measured object. The data storage and management should use the memory to store the collected data, establish the corresponding database, and manage and call. The data processing is to remove interference noise, irrelevant information and necessary information from the collected raw data. In addition, the data is statistically analyzed for easy retrieval, or the data is restored to the original form of the physical quantity and is output in an output form, such as printing, displaying, drawing, etc., on an output device.

The main controller in the measurement and control field of the prior art has more problems, for example:

1. the acquisition controller in the prior art has a single communication interface and communication directivity, and only can transparently transmit data or support a certain protocol;

2. the acquisition controller in the prior art generally has the indication effects of no internal RTC clock and only bright and unlighted LEDs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a multi-functional electric energy meter of two MCU designs of measurement and master control is provided.

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

the utility model provides a long-range acquisition controller of multichannel data, include main control chip and connect in main control chip's communication module, input/output interface, storage module and display module, communication module include two way RS485 communication interfaces and ethernet communication interface of the same kind, main control chip be connected with the communication and switch the button.

In the above multi-channel data remote acquisition controller, the communication switching button comprises a touch chip, a button indicator lamp connected to the main control chip is arranged on the touch chip, and the button indicator lamp is coupled to the touch chip.

In the above multi-channel data remote acquisition controller, the RS485 communication interface includes a non-polar RS485 chip.

In the above multi-channel data remote acquisition controller, the display module includes an 8-shaped display unit composed of seven LED lamps.

In the multi-channel data remote acquisition controller, the main control chip is connected with a lithium battery for maintaining an internal RTC clock.

In the above multi-channel data remote acquisition controller, the input/output interface includes eight input interfaces and eight output interfaces.

In the multi-channel data remote acquisition controller, the eight input interfaces and the eight output interfaces are respectively connected to the main control chip through the isolation circuit.

In the above multipath data remote acquisition controller, the isolation circuit comprises an isolation optocoupler.

In the multi-channel data remote acquisition controller, the main control chip is further connected with a passive buzzer.

The utility model discloses for prior art's advantage lie in:

1. 2 RS485 communication interfaces and 1 Ethernet communication interface are arranged, so that data can be transmitted transparently, protocol conversion transmission can be realized, products of different manufacturers, different protocols and different devices can be connected together, the type does not need to be limited when the devices in the system are replaced, and higher flexibility is achieved;

2. the 8-shaped display unit is arranged, can independently display bright or not, can display numbers and letters, displays English words or combination of abbreviations and numbers in a wheel display mode to display the current information content, and displays more visually;

3. the built-in lithium battery maintains the RTC, is used for recording the time of the data information read by the wheel, and can record normally when being off-line, so that the part which is not stored can be completely filled when the network is recovered.

Drawings

Fig. 1 is a block diagram of the circuit structure of the multi-path data remote acquisition controller of the present invention.

Reference numerals: a main control chip 1; a storage module 2; a display module 3; two RS485 communication interfaces 4; an Ethernet communication interface 5; a communication switching button 6; a button indicator lamp 7; an eight-way input interface 81; an eight-way output interface 82; a passive buzzer 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the present embodiment discloses a multi-channel data remote acquisition controller, which includes a main control chip 1, and a communication module, an input/output interface, a storage module 2, a display module 3, and a passive buzzer 9 connected to the main control chip 1.

The input/output interface is used for signal input detection and output control, and includes an eight-way input interface 81 and an eight-way output interface 82. The eight input interfaces 81 and the eight output interfaces 82 are connected to the main control chip 1 through the isolation optical couplers, respectively. The effects of signal safety isolation protection and signal quick transmission are achieved, and 300V and 100mA can be directly controlled to the maximum.

The passive buzzer 9 is used for giving an alarm sound when corresponding equipment data cannot be read in turn for multiple times.

Preferably, the display module 3 comprises an 8-shaped display unit consisting of seven ultra-high bright white red LED lamps, and the main control chip 1 is connected with a lithium battery for maintaining an internal RTC clock. Adopt the main control chip of the integrated RTC circuit in inside, peripheral line is simple and the precision is high, and 8 style of calligraphy display element can show alone bright or not bright, also can show digit and letter, shows the combination of english word or abbreviation and digit through the wheel display mode and show current information content, shows more directly perceived.

Particularly, the communication module of this embodiment includes two RS485 communication interfaces 4 and one ethernet communication interface 5, the main control chip 1 can be connected to a plurality of acquisition devices and/or terminal devices with different data protocols and/or baud rates through the communication module, the main control chip 1 is connected with a communication switch button 6 for switching one RS485 communication interface to another RS485 communication interface, one RS485 communication interface to one ethernet communication interface 5, one ethernet communication interface 5 to one RS485 communication interface, one ethernet communication interface 5 to two RS485 communication interfaces 4, and each communication interface works independently.

According to the scheme, two RS485 communication interfaces are arranged, independent work of two RS485 communication interfaces 4 and one Ethernet communication interface 5 can be achieved, one RS485 communication interface can be changed into another RS485 communication interface or one Ethernet communication interface can be achieved, or one Ethernet communication interface can be changed into one or two RS485 communication interfaces, and the three communication interfaces can be combined in a conversion mode at will.

Therefore, the data acquisition controller of this scheme can not only be for passing through mode transmission to the collection data, also can be for changing protocol transmission, can be with different producers, different protocols, the product of different equipment links together, for example, A is RS485 communication interface, B also is RS485 communication interface, if the agreement that equipment 1 and equipment 2 supported is the same, then for data passing through mode, what data is received to A, send away from B, or what data is received to B, send output from A to realize the data interchange between equipment 1 and the equipment 2: device 1-A-B-device 2;

when device 1 and device 2 support different protocols:

the device 1: modbus RTU protocol

The device 2: DLT645-2007 protocol

And the A receives Modbus RTU protocol data, converts the Modbus RTU protocol data into a DLT645-2007 protocol and sends the data out of the B. Or B converts the received data of DLT645-2007 protocol into Modbus RTU protocol and sends the Modbus RTU protocol from A, so that data exchange is realized between the equipment 1 and the equipment 2 with different protocols: apparatus 1-A-B-apparatus 2.

When the system is put into use, the system at least comprises 3 parts, namely equipment, a data acquisition controller and terminal data processing. Generally, equipment is maintained and replaced frequently, equipment in one set of system can only be replaced by the same type when replaced, if production is stopped or the equipment cannot be purchased, the whole set of system can only be replaced or similar products can only be purchased, and then a data acquisition unit is added and terminal data processing is modified to realize the replacement. If the data acquisition controller of the scheme is used, other equipment does not need to be added or terminal data processing does not need to be modified when system equipment is replaced.

Further, the communication switching button 6 comprises a touch chip, a button indicator light 7 connected to the main control chip 1 is arranged on the touch chip, and the button indicator light 7 is coupled to the touch chip. When the communication switching button 6 is pressed, the button indicator lamp 7 is lit to facilitate the user to recognize whether the button has been successfully pressed.

Preferably, the RS485 communication interface comprises a non-polar RS485 chip, and the problem of reverse connection of communication wiring is not needed to be worried about.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the main control chip 1 is used more herein; a storage module 2; a display module 3; two RS485 communication interfaces 4; an Ethernet communication interface 5; a communication switching button 6; a button indicator lamp 7; an eight-way input interface 81; an eight-way output interface 82; passive buzzer 9, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a long-range acquisition controller of multichannel data, include main control chip (1) and connect in communication module, input/output interface, storage module (2) and display module (3) of main control chip (1), its characterized in that, communication module include two way RS485 communication interface (4) and ethernet communication interface (5) of the same kind, main control chip (1) be connected with communication switch button (6).

2. The multi-channel data remote acquisition controller according to claim 1, wherein the communication switching button (6) comprises a touch chip, a button indicator lamp (7) connected to the main control chip (1) is arranged on the touch chip, and the button indicator lamp (7) is coupled to the touch chip.

3. The remote acquisition controller for multiple data sets according to claim 2, wherein said RS485 communication interface comprises a non-polar RS485 chip.

4. The multi-channel data remote acquisition controller according to claim 3, wherein the display module (3) comprises an 8-shaped display unit consisting of seven LED lamps.

5. The multi-channel data remote acquisition controller according to claim 4, wherein the master control chip (1) is connected with a lithium battery for maintaining an internal RTC clock.

6. The remote acquisition controller for multi-channel data according to claim 5, wherein said input/output interface comprises eight input interfaces (81) and eight output interfaces (82).

7. The multi-channel data remote acquisition controller according to claim 6, wherein the eight input interfaces (81) and the eight output interfaces (82) are respectively connected to the main control chip (1) through an isolation circuit.

8. The multi-channel data remote acquisition controller of claim 7, wherein the isolation circuit comprises an isolation optocoupler.

9. The multi-channel data remote acquisition controller according to claim 8, wherein the main control chip (1) is further connected with a passive buzzer (9).