CN110906984A - Signal acquisition and network transmission system based on localization platform - Google Patents
Signal acquisition and network transmission system based on localization platform Download PDFInfo
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- CN110906984A CN110906984A CN201911233735.8A CN201911233735A CN110906984A CN 110906984 A CN110906984 A CN 110906984A CN 201911233735 A CN201911233735 A CN 201911233735A CN 110906984 A CN110906984 A CN 110906984A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The invention provides a signal acquisition and network transmission system based on a localization platform, which realizes the acquisition and remote transmission of circuit board health information. The signal acquisition and network transmission system based on the localization platform comprises an HC32 single chip microcomputer, a voltage and current acquisition module, a power supply module, a first temperature sensor, a second temperature sensor and a network chip, wherein the HC32 single chip microcomputer is provided with an ADC module, and the voltage and current acquisition module, the first temperature sensor, the second temperature sensor and the network chip are all connected with the HC32 single chip microcomputer.
Description
Technical Field
The invention relates to a signal acquisition and network transmission system, in particular to a signal acquisition and network transmission system based on a domestic platform, and belongs to the technical field of domestic single chip microcomputer platforms and circuit design.
Background
With the pressing and blocking of China foreign countries, especially the United states, on the information industry aspect of China, we are more and more aware of the importance of localization and autonomous control. In recent years, more and more domestic chips with independent intellectual property rights enter the visual field of people, and development of an independent controllable platform is trended.
Disclosure of Invention
The invention aims to provide a signal acquisition and network transmission system based on a domestic platform, which realizes acquisition and remote transmission of circuit board health information.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the signal acquisition and network transmission system based on the localization platform comprises an HC32 single chip microcomputer, a voltage and current acquisition module, a power supply module, a first temperature sensor, a second temperature sensor and a network chip, wherein the HC32 single chip microcomputer is provided with an ADC module, and the voltage and current acquisition module, the first temperature sensor, the second temperature sensor and the network chip are all connected with the HC32 single chip microcomputer.
On the basis of the signal acquisition and network transmission system based on the domestic platform, the voltage and current acquisition module comprises voltage value data and current data of a plurality of signals, the voltage value data is input into an ADC module of the single chip microcomputer to be subjected to analog-to-digital conversion, and the current data is input into the ADC module of the single chip microcomputer through the current sensing amplifier to be converted into an actual current value.
On the basis of the signal acquisition and network transmission system based on the localization platform, the network chip is a CH395 chip, an RXD pin of the network chip is connected with a receiving pin PC6 of the CPU, and a TXD pin of the network chip is connected with a sending pin PC7 of the CPU.
On the basis of the signal acquisition and network transmission system based on the localization platform, the first temperature sensor and the second temperature sensor are both NST1001 chips, and the first temperature sensor and the second temperature sensor are mutually connected in parallel and in series to be connected to an I/O port of the HC32 singlechip.
On the basis of the signal acquisition and network transmission system based on the localization platform, the current sensing amplifier adopts a SY6052 chip.
The invention has the advantages that: the voltage and current acquisition module acquires a current and voltage signal, the temperature sensor detects the ambient temperature and the CPU temperature, the network chip realizes the transparent transmission of data receiving and sending of serial port-Ethernet, the whole system integrates data acquisition, processing and network transmission, can be expanded to the acquisition of other information, and has strong practicability; the main chips are all made in China and have important practical significance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic connection diagram according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate directions
The positional or positional relationship is based on that shown in the drawings and is for convenience of description and simplicity of illustration only
Rather than indicating or implying that the device or element so referred to must have a particular orientation, be constructed and arranged in a particular orientation
Operation, and therefore, should not be construed as limiting the invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The signal acquisition and network transmission system based on the localization platform comprises an HC32 single chip microcomputer, a voltage and current acquisition module, a power supply module, a first temperature sensor, a second temperature sensor and a network chip, wherein the HC32 single chip microcomputer is provided with an ADC module, and the voltage and current acquisition module, the first temperature sensor, the second temperature sensor and the network chip are all connected with the HC32 single chip microcomputer.
In this embodiment, the voltage and current acquisition module includes voltage value data and current data of a plurality of signals, and the ADC module of the single chip microcomputer is carried out analog-to-digital conversion to voltage value data input, and the current data is converted into actual current value through the ADC module of the single chip microcomputer that current sense amplifier input.
In this embodiment, the network chip is a CH395 chip, the RXD pin of the network chip is connected to the receiving pin PC6 of the CPU, and the TXD pin of the network chip is connected to the transmitting pin PC7 of the CPU.
In this embodiment, the first temperature sensor and the second temperature sensor are both NST1001 chips, and the first temperature sensor and the second temperature sensor are connected in parallel and in series to one I/O port of the HC32 single chip microcomputer.
In this embodiment, the current sense amplifier is a SY6052 chip.
In this embodiment, based on a domestic single-chip microcomputer platform HC32F073, current, voltage and temperature information of the board card are collected and reported to an upper management system through a network for real-time monitoring. The system detects three paths of reference voltages, and after voltage division, the system is connected to multiplexing pins PAO, PAO1 and PA2 of a built-in ADC module of the HC32 singlechip; the current sensing amplifier SY6052 inputs voltage at two ends of a divider resistor, outputs voltage which is 100 times of the voltage difference after amplification, obtains the voltage through an ADC of the single chip microcomputer, and converts the voltage into an actual current value inside the single chip microcomputer. The system integrates two patch temperature sensors NST1001, the size of the sensor is equivalent to that of a 0603 packaging resistor, the occupied area of a PCB is greatly reduced, and the first temperature sensor and the second temperature sensor are respectively used for acquiring the temperature of a CPU and the temperature of a working environment; when NST1001 works, only one common GPIO port is needed, before temperature is read, an IO port is configured into an output mode through a line, NST1001 is reset through output of low level, then input is configured, the pulse number output by the sensor is obtained through the interrupt function of the IO port, and a temperature value is obtained according to the pulse number. In order to report the collected system information to an upper management system, a CH395 network chip is adopted, the chip can realize the transparent transmission of a serial port, a parallel port, an SPI interface and an Ethernet and support TCP and UDP protocols; the system is connected with CH395 through a serial port, the information transmission of the serial port and a network can be realized only by configuring the serial port into a UDP mode, an upper management system issues a command through the network, a single chip microcomputer reports information through the serial port, and a communication protocol data transmission protocol can be completely customized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A signal acquisition and network transmission system based on a localization platform is characterized in that: including HC32 singlechip, voltage current acquisition module, power module, first temperature sensor, second temperature sensor and network chip, HC32 singlechip has the ADC module, and voltage current acquisition module, first temperature sensor, second temperature sensor, network chip all are connected with the HC32 singlechip.
2. The localization platform based signal acquisition and network transmission system according to claim 1, wherein: the voltage and current acquisition module comprises voltage value data and current data of a plurality of signals, the voltage value data are input into an ADC module of the single chip microcomputer to be subjected to analog-to-digital conversion, and the current data are input into the ADC module of the single chip microcomputer through the current sensing amplifier to be converted into an actual current value.
3. The localization platform based signal acquisition and network transmission system according to claim 1, wherein: the network chip is a CH395 chip, an RXD pin of the network chip is connected with a receiving pin PC6 of the CPU, and a TXD pin of the network chip is connected with a sending pin PC7 of the CPU.
4. The localization platform based signal acquisition and network transmission system according to claim 1, wherein: the first temperature sensor and the second temperature sensor are both NST1001 chips, and the first temperature sensor and the second temperature sensor are mutually connected in parallel and in series to an I/O port of the HC32 singlechip.
5. The localization platform based signal acquisition and network transmission system according to any one of claims 1 to 4, wherein: the current sensing amplifier adopts a SY6052 chip.
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| CN201911233735.8A CN110906984A (en) | 2019-12-05 | 2019-12-05 | Signal acquisition and network transmission system based on localization platform |
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| CN201911233735.8A CN110906984A (en) | 2019-12-05 | 2019-12-05 | Signal acquisition and network transmission system based on localization platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112671408A (en) * | 2020-12-29 | 2021-04-16 | 广东高云半导体科技股份有限公司 | Temperature and voltage sensor, chip and electronic equipment |
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| CN1991781A (en) * | 2005-12-26 | 2007-07-04 | 联想(北京)有限公司 | Method and device for detecting temperature of CPU |
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