CN219834391U

CN219834391U - Multifunctional wireless communication intelligent measurement and control terminal

Info

Publication number: CN219834391U
Application number: CN202320447586.0U
Authority: CN
Inventors: 林文勇
Original assignee: Nanjing Yimite Electronic Technology Co ltd
Current assignee: Nanjing Yimite Electronic Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-10-13
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a multifunctional wireless communication intelligent measurement and control terminal, which comprises: the system comprises a main processor, an automatic networking communication module, a special metering chip, a high-speed peripheral IO processing module and a display screen, wherein the automatic networking communication module, the special metering chip, the high-speed peripheral IO processing module and the display screen are respectively connected with the main processor in an electric signal mode, and a DSP capable of rapidly processing ADC data is integrated inside the special metering chip.

Description

Multifunctional wireless communication intelligent measurement and control terminal

Technical Field

The utility model relates to the technical field of intelligent instruments, in particular to a multifunctional wireless communication intelligent measurement and control terminal.

Background

At present, the three-phase multifunctional network intelligent instrument data transmission mode in the market basically adopts wired 485 communication, field wiring is required, the field wiring is very complex and complicated, if in the power grid transformation project, the field wiring is more complex, the realization difficulty is greatly increased, in the aspect of data acquisition, the current market products mostly adopt MCU to directly acquire through an external ADC or an MCU internal ADC, and in consideration of real-time measurement and control, the MCU program cannot completely process ADC data in real time, such as linear compensation, frequency offset compensation and angle difference compensation, thereby causing certain measurement errors.

In addition, the existing automatic networking technology, such as CN114125981a, discloses a wireless intelligent device supporting RS485 automatic networking and a networking method thereof, and the networking method comprises: connecting the signal receiving transmitter with the control terminal through a WiFi wireless network or a data wireless network; installing an air-conditioning signal receiver on each air-conditioning body, connecting each air-conditioning body with an RS485 gateway cable, connecting each RS485 gateway cable with an RS485 gateway access bus cable in parallel, and connecting a control terminal with the air-conditioning signal receiver through a WiFi wireless network or a data wireless network, so that the control terminal can directly complete the control of the air-conditioning bodies through a wireless network connection mode; one end of the RS485 output bus cable, which is far away from the connected RS485 gateway, is connected with the master controller, and a large number of RS485 gateway cables are also applied in the scheme.

In view of the above, those skilled in the art are urgent to develop a multifunctional wireless communication intelligent measurement and control terminal, so as to solve the problems of on-site wiring and large measurement error in the current networking.

Disclosure of Invention

The utility model mainly aims to provide a multifunctional wireless communication intelligent measurement and control terminal so as to solve the problems that networking in the related art requires on-site wiring and measurement errors are large.

In order to achieve the above purpose, in a first aspect, the present utility model provides a multifunctional wireless communication intelligent measurement and control terminal.

The multifunctional wireless communication intelligent measurement and control terminal according to the utility model comprises: the system comprises a main processor, an automatic networking communication module, a special metering chip, a high-speed peripheral IO processing module and a display screen, wherein the automatic networking communication module, the special metering chip, the high-speed peripheral IO processing module and the display screen are respectively connected with the main processor in an electric signal mode, and a DSP capable of rapidly processing ADC data is integrated inside the special metering chip.

Further improved, the automatic networking communication module adopts TP1107.

Further improved, the special metering chip adopts HT7136.

Further improved is that UART communication is adopted between the main processor and the automatic networking communication module.

Further improved is that high-speed SPI communication is adopted between the main processor and the special metering chip.

Further improved is that the display screen adopts an LCD display screen.

Further improved is that the model of the main processor is GD32F303VET6.

Compared with the prior art, the multifunctional wireless communication intelligent measurement and control terminal provided by the utility model has the beneficial effects that: the automatic networking communication module TP1107 wireless communication technology of UNB is utilized to realize communication between a plurality of terminal devices and a server, automatic networking can be carried out, moreover, UNB communication is a relatively economical and practical communication mode, the use difficulty is greatly simplified, in addition, the special metering chip HT7136 is adopted to internally integrate DSP to rapidly process ADC data, the real-time performance of the measurement result is high, the precision is high, the nonlinear error is small, and the metering grade of a product is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:

FIG. 1 is a frame diagram of a multifunctional wireless communication intelligent measurement and control terminal;

FIG. 2 is a circuit diagram of a main processor;

FIG. 3 is a circuit diagram of an automatic networking module;

FIG. 4 is a circuit diagram of a dedicated metering chip;

FIG. 5 is a circuit diagram of a high-speed peripheral IO processing module;

fig. 6 is a circuit diagram of a display screen.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 6, a multifunctional wireless communication intelligent measurement and control terminal includes: the system comprises a main processor, an automatic networking communication module, a special metering chip, a high-speed peripheral IO processing module and a display screen, wherein the automatic networking communication module, the special metering chip, the high-speed peripheral IO processing module and the display screen are respectively connected with the main processor in an electric signal mode, and a DSP capable of rapidly processing ADC data is integrated inside the special metering chip.

As shown in fig. 3, in this embodiment, the automatic networking communication module adopts the uba automatic networking communication module TP1107, and since the uba communication is a relatively economical and practical communication mode, the use difficulty is greatly simplified, and the RS485 is not needed for on-site wiring, so that the economic benefit is high, and the implementation difficulty is greatly reduced.

In addition, as shown in fig. 4, in this embodiment, a special metering chip for HT7136 is adopted, and a DSP capable of rapidly processing ADC data is integrated therein, and DSP, that is, digital signal processing, is to perform processes such as acquisition, conversion, filtering, estimation, enhancement, compression, and recognition on signals in digital form by using a computer or a special processing device, so as to obtain signal forms meeting the needs of people, and then each terminal can perform data processing by itself, without transmitting the signal to a main processor through the terminal, and then perform data processing by the main processor.

In this embodiment, preferably, UART communication is adopted between the main processor and the automatic networking communication module.

In this embodiment, preferably, high-speed SPI communication is adopted between the main processor and the dedicated metering chip, and the model number of the main processor is GD32F303VET6.

As shown in fig. 6, in order to facilitate the person looking up the table to observe the data of the terminal in real time, the display screen adopts an LCD display screen.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A multifunctional wireless communication intelligent measurement and control terminal is characterized by comprising: the system comprises a main processor, an automatic networking communication module, a special metering chip, a high-speed peripheral IO processing module and a display screen, wherein the automatic networking communication module, the special metering chip, the high-speed peripheral IO processing module and the display screen are respectively connected with the main processor in an electric signal mode, and a DSP capable of rapidly processing ADC data is integrated inside the special metering chip.

2. The multifunctional wireless communication intelligent measurement and control terminal according to claim 1, wherein the automatic networking communication module adopts TP1107.

3. The multifunctional wireless communication intelligent measurement and control terminal according to claim 1, wherein the special metering chip adopts HT7136.

4. The intelligent multi-functional wireless communication measurement and control terminal according to claim 1, wherein UART communication is adopted between the main processor and the automatic networking communication module.

5. The multifunctional wireless communication intelligent measurement and control terminal according to claim 1, wherein high-speed SPI communication is adopted between the main processor and the special metering chip.

6. The multifunctional wireless communication intelligent measurement and control terminal according to claim 1, wherein the display screen is an LCD display screen.

7. The multifunctional wireless communication intelligent measurement and control terminal according to claim 1, wherein the model of the main processor is GD32F303VET6.