CN216770670U - Sensor parameter acquisition equipment - Google Patents

Abstract

The utility model provides a sensor parameter acquisition device, which comprises: the analog-to-digital converter is used for receiving the analog signal from the analog sensor and performing analog-to-digital conversion; the ADC data acquisition module is used for generating an interrupt request signal, transmitting the interrupt request signal to the interrupt signal processing module and writing the analog sensor signal data into the data cache module; the data cache module is used for storing the received sensor signal data; the interrupt signal processing module is used for sending a signal to the data packaging module; and the data encapsulation module is used for acquiring the sensor signal data from the communication bus through the register management module, performing protocol analysis and signal coding on the sensor signal data, and writing the encapsulated sensor signal data into the communication bus through the register management module. The utility model can carry out centralized acquisition, protocol analysis and signal coding on each parameter of various sensors, has simple and convenient operation and sends the information to external communication equipment.

Description

Sensor parameter acquisition equipment

Technical Field

The utility model relates to the technical field of sensor acquisition, in particular to sensor parameter acquisition equipment.

Background

The sensor as a detection device can sense the measured information and convert the sensed information into an electric signal or other information in a required form for output, so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. However, many kinds of sensors lack a uniform sensor parameter collecting device, which is inconvenient for uniform management and control of the sensors by the devices loaded with the sensors, and for making clear judgment and controlling each actuating mechanism according to the current sensor state.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a universal sensor parameter acquisition device which can be used for carrying out centralized acquisition, protocol analysis and signal coding on various parameters of various sensors, is simple and convenient to operate and sends the information to external communication equipment.

The technical scheme of the utility model is as follows:

a sensor parameter acquisition device comprises an analog sensor, an ADC (analog-to-digital converter), an ADC data acquisition module, an analog sensor data cache module, an interrupt signal processing module and a data encapsulation module;

the ADC is in communication connection with the analog sensor and the ADC data acquisition module and is used for receiving an analog signal from the analog sensor and performing analog-to-digital conversion;

the ADC data acquisition module is respectively in communication connection with the ADC and the analog sensor data cache module, and is used for generating an interrupt request signal and transmitting the interrupt request signal to the interrupt signal processing module after receiving complete analog sensor signal data, and writing the analog sensor signal data into the analog sensor data cache module;

the analog sensor data caching module is connected with the communication bus and used for storing the received analog sensor signal data;

the interrupt signal processing module is connected with the ADC data acquisition module through a communication bus and used for sending a signal to the data packaging module after receiving the interrupt request signal;

and the data encapsulation module is in communication connection with the interrupt signal processing module and is used for acquiring sensor signal data from the communication bus through the register management module after receiving the signal of the interrupt signal processing module, performing protocol analysis and signal coding on the data, and writing the encapsulated sensor signal encapsulation data into the communication bus through the register management module.

Further, the sensor parameter acquisition equipment still includes:

the LVDS communication module is in communication connection with the LVDS data cache module in the data cache module and the external communication equipment, and is used for reading data from the LVDS data cache module and sending the data to the external communication equipment;

and the RS422 communication module is respectively in communication connection with the digital sensor data cache module and the digital sensor in the data cache module, and is used for generating an interrupt request signal and transmitting the interrupt request signal to the interrupt signal processing module after receiving complete digital sensor signal data, and writing the digital sensor signal data into the digital sensor data cache module.

The utility model carries out data acquisition and data storage according to the acquisition frequency of an analog signal, simultaneously receives and stores a digital signal transmitted by RS422, generates an interrupt signal to an interrupt signal processing module after the signal acquisition is finished, reads the acquired sensor parameter information through a communication bus by a data encapsulation module after the interrupt signal processing module receives the interrupt signal, finishes the packaging of the sensor parameter information according to the format requirement, forms encapsulation data, writes the encapsulation data into an LVDS data cache module through the communication bus, and finally sends the encapsulation data into external communication equipment through an LVDS interface.

By adopting the scheme, the sensor parameter acquisition equipment can be used for carrying out centralized acquisition, protocol analysis and signal coding on various parameters of various sensors such as impact, noise, vibration, overload, angular rate, heat flow, pressure, temperature and the like, is simple and convenient to operate, and sends the information to external communication equipment, so that the external communication equipment can make clear judgment according to the current sensor state and control each actuating mechanism; meanwhile, the utility model has simple and small integral structure, simple circuit layout design and low cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of a sensor parameter acquisition device according to the present invention.

Detailed Description

Embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1, an embodiment of the present invention provides a sensor parameter acquisition device, which includes a main processor, where the main processor is designed by an FPGA, is a high-performance and low-power-consumption processor, and includes a Processing System (Processing System) and a programmable Logic (programmable Logic), that is, a PS terminal and a PL terminal, and the PS terminal and the PL terminal are connected through an APB communication bus.

The PL end comprises an ADC data acquisition module, an LVDS communication module, an RS422 communication module, a data cache module and a bus processing module; the ADC data acquisition module is respectively in communication connection with the ADC and the analog sensor data cache module, and is used for generating an interrupt request signal and transmitting the interrupt request signal to the interrupt signal processing module after receiving complete analog sensor signal data, and writing the analog sensor signal data into the analog sensor data cache module; the LVDS communication module is in communication connection with the LVDS data cache module in the data cache module and the external communication equipment, and is used for reading data from the LVDS data cache module and sending the data to the external communication equipment; the RS422 communication module is respectively in communication connection with the digital sensor data cache module and the digital sensor in the data cache module, and is used for generating an interrupt request signal after receiving complete digital sensor signal data, transmitting the interrupt request signal to the interrupt signal processing module through an APB communication bus, and writing the digital sensor signal data into the digital sensor data cache module; and the analog sensor data caching module is in communication connection with the communication bus and used for storing the received analog sensor signal data.

The PS terminal comprises an interrupt signal processing module, a data packaging module and a register management module, wherein the interrupt signal processing module is used for sending a signal to the data packaging module after receiving an interrupt request signal; and the data encapsulation module is used for acquiring sensor signal data from the communication bus through the register management module after receiving the signal of the interrupt signal processing module, performing protocol analysis and signal coding on the data, and writing the encapsulated sensor signal encapsulation data into the APB communication bus through the register management module.

The sensor parameter acquisition equipment also comprises an ADC (analog-to-digital converter) which is in communication connection with the analog sensor and the ADC data acquisition module and is used for receiving the analog signal from the analog sensor and performing analog-to-digital conversion.

The sensor parameter acquisition equipment described in this embodiment can collect, analyze and signal code each parameter of various digital sensors or analog sensors such as impact, noise, vibration, overload, angular rate, heat flow, pressure, temperature, etc. in a centralized manner, and the operation is simple and convenient, and sends these information to the external communication equipment through the LVDS communication module, so that the external communication equipment can make clear judgment according to the current sensor state and control each actuating mechanism.

Claims (2)

1. A sensor parameter acquisition device is characterized by comprising an analog sensor, an ADC (analog-to-digital converter), an ADC data acquisition module, an analog sensor data cache module, an interrupt signal processing module and a data encapsulation module;

the ADC is in communication connection with the analog sensor and the ADC data acquisition module and is used for receiving an analog signal from the analog sensor and performing analog-to-digital conversion;

the ADC data acquisition module is respectively in communication connection with the ADC and the data cache module, and is used for generating an interrupt request signal and transmitting the interrupt request signal to the interrupt signal processing module after receiving complete analog sensor signal data, and writing the analog sensor signal data into the analog sensor data cache module;

the analog sensor data caching module is in communication connection with the communication bus and used for storing received analog sensor signal data;

the interrupt signal processing module is connected with the ADC data acquisition module through a communication bus and used for sending a signal to the data packaging module after receiving the interrupt request signal;

and the data encapsulation module is in communication connection with the interrupt signal processing module and is used for acquiring sensor signal data from the communication bus through the register management module after receiving the signal of the interrupt signal processing module, performing protocol analysis and signal coding on the data, and writing the encapsulated sensor signal encapsulation data into the communication bus through the register management module.

2. The sensor parameter acquisition device of claim 1, further comprising:

the LVDS communication module is in communication connection with the LVDS data cache module in the data cache module and the external communication equipment, and is used for reading data from the LVDS data cache module and sending the data to the external communication equipment;

and the RS422 communication module is respectively in communication connection with the digital sensor data cache module and the digital sensor in the data cache module, and is used for generating an interrupt request signal and transmitting the interrupt request signal to the interrupt signal processing module after receiving complete digital sensor signal data, and writing the digital sensor signal data into the digital sensor data cache module.

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