CN103645376A - Digital current voltmeter of wireless transmission signal - Google Patents
Digital current voltmeter of wireless transmission signal Download PDFInfo
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- CN103645376A CN103645376A CN201310574456.4A CN201310574456A CN103645376A CN 103645376 A CN103645376 A CN 103645376A CN 201310574456 A CN201310574456 A CN 201310574456A CN 103645376 A CN103645376 A CN 103645376A
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Abstract
The invention discloses a digital current voltmeter of a wireless transmission signal. The digital current voltmeter comprises a data acquisition circuit, a data transmission circuit, a signal amplification module, a main controller, a host computer interface circuit and a host computer, wherein the data acquisition circuit, the data transmission circuit, the main controller, the host computer interface circuit and the host computer are successively connected in series; the data acquisition circuit employs a CS5460C chip; and the data transmission circuit employs a CC2530 chip. The advantages are as follows: a 3.3 V battery and a 220 V AC power supply are employed, and the low-power current voltage measuring chip CS5460 performs real-time measuring on current and voltage for transmitting to a receiving device through a CS2530 ZigBee module and related circuits by a frequency of 2.4 GHz. The apparatus provided by the invention can be used as both a transmitter end and a receiver end, has an RS485 wired data uploading function, and transmits data to the host through a modbus RTU communication protocol so that workers can timely and accurately handle related work.
Description
Technical field
The present invention relates to a kind of current voltmeter, relate in particular to a kind of digital electric ampere-voltage meter of wireless signal transmission.
Background technology
The design and development of digital current voltage table, has had polytype and style.But existing digital current voltage table is in the market only suitable for doing at the scene hand dipping, lacks data upload the function to the further analyzing and processing of measurement data, waste of manpower and material resources.
Summary of the invention
Object of the present invention is exactly in order to address the above problem, and a kind of digital electric ampere-voltage meter of wireless signal transmission is provided, and it is simple in structure, can doublely do transmitting terminal and receiving end use, completes data upload, to host computer, transmits data transmission.
To achieve these goals, the present invention adopts following technical scheme:
A kind of digital electric ampere-voltage meter of wireless signal transmission, comprise data acquisition circuit, data transmission circuit, signal amplification module, master controller, host computer interface circuit and host computer, described data acquisition circuit, data transmission circuit, master controller, host computer interface circuit and host computer are connected in series successively, described data acquisition circuit adopts CS5460C chip, and described data transmission circuit adopts CC2530 chip.
Described CS5460C chip has temperature sensor, voltage drop detecting device and phase compensation block.
Described signal amplification module adopts CC2591 chip.
Described host computer interface circuit adopts RS485 chip.
Preferably, master controller adopts upd78f0513 model.
Adopt the digital electric ampere-voltage meter of above-mentioned wireless signal transmission, voltage, current data that data acquisition circuit collection is measured in real time, the data of collecting reach master controller through data transmission circuit programming flash memory, signal amplification module, then utilize RS485 cable data upload function, with modbus RTU communication protocol, to host computer, transmit data.
CS5460C chip comprises two Δ Σ analog-digital converters (ADC), power calculator, electric energy to frequency converter and a serial line interface, it can accurately measure instantaneous voltage, electric current and calculating IRMS, VRMS, instantaneous power, active power, reactive power,, 2 lines single-phase for developing or 3 line ammeters; CS5460C chip can be used shunt or mutual inductor measurement electric current cheaply, uses divider resistance or voltage measuring transformer voltage; CS5460C has the two-way serial ports with microcontroller communication, programmable electric energy-pulse output function; CS5460C also has SOC (system on a chip) calibration function easily.
CC2530 chip is a real SOC (system on a chip) (SoC) solution for IEEE802.15.4, ZigBee and RF4CE application, it can set up powerful network node with low-down total material cost, CC2530 combines the premium properties of leading RF transceiver, the enhancement mode 8051CPU of standard, In-System Programmable flash memory, 8-KB RAM and many other powerful functions; CC2530 has tetra-kinds of different flash versions of CC2530F32/64/128/256, has respectively the flash memory of 32/64/128/256KB; CC2530 has different operational modes, makes it especially adapt to the system of super low-power consumption requirement, and switching time between operational mode is short has further guaranteed low energy expenditure.
CC2591 chip, can increase transmission range, makes transmission range surpass 1000 meters.
Beneficial effect of the present invention: the present invention adopts 3.3V battery and 220V Alternating Current Power Supply, low power consumption current voltage measurement chip CS5460 carries out current/voltage and measures in real time, and by CC2530ZigBee module and interlock circuit with the frequency real-time Transmission of 2.4GHz to receiving trap, this device can doublely do transmitting terminal and receiving end is used, there is RS485 cable data upload function simultaneously, with modbus RTU communication protocol, to host computer, transmit data, make the processing related work that staff can be promptly and accurately.
Accompanying drawing explanation
Fig. 1 is circuit theory schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, a kind of digital electric ampere-voltage meter of wireless signal transmission, the present invention includes data acquisition circuit, data transmission circuit, signal amplification module, master controller, host computer interface circuit, host computer, data acquisition circuit, data transmission circuit, master controller, host computer interface circuit, host computer is connected in series successively, described data acquisition circuit adopts CS5460C chip, described data transmission circuit adopts CC2530 chip, described signal amplification module adopts CC2591 chip, described host computer interface circuit adopts RS485 chip, described master controller adopts upd78f0513 model.
Adopt CS5460C chip accurately to measure instantaneous voltage, electric current and calculating IRMS, VRMS, instantaneous power, active power, reactive power, use shunt or mutual inductor measurement electric current cheaply, use divider resistance or voltage measuring transformer voltage, carry out SOC (system on a chip) calibration simultaneously; Adopt CC2530 chip, with low-down total material cost, set up powerful network node, by after data flash memory, receive and dispatch; Adopt CC2591 chip to increase transmission range, make transmission range surpass 1000 meters; Adopt master controller upd78f0513 to programme and hardware integration, the collection of electrical energy parameter and transmission are combined together, realized Real-time Collection and the sending function of the data such as real-time current, voltage, power; By RS485 interface, uploaded on host computer or PC.
The present invention adopts 3.3V battery and 220V Alternating Current Power Supply, low power consumption current voltage measurement chip CS5460 carries out current/voltage and measures in real time, and by CC2530ZigBee module and interlock circuit with the frequency real-time Transmission of 2.4GHz to receiving trap, this device can doublely do transmitting terminal and receiving end is used, there is RS485 cable data upload function simultaneously, with modbus RTU communication protocol, to host computer, transmit data, make the processing related work that staff can be promptly and accurately.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (5)
1. the digital electric ampere-voltage meter of a wireless signal transmission, it is characterized in that, comprise data acquisition circuit, data transmission circuit, signal amplification module, master controller, host computer interface circuit and host computer, described data acquisition circuit, data transmission circuit, master controller, host computer interface circuit and host computer are connected in series successively, described data acquisition circuit adopts CS5460C chip, and described data transmission circuit adopts CC2530 chip.
2. the digital electric ampere-voltage meter of a kind of wireless signal transmission as claimed in claim 1, is characterized in that, described CS5460C chip has temperature sensor, voltage drop detecting device and phase compensation block.
3. the digital electric ampere-voltage meter of a kind of wireless signal transmission as claimed in claim 1, is characterized in that, described signal amplification module adopts CC2591 chip.
4. the digital electric ampere-voltage meter of a kind of wireless signal transmission as claimed in claim 1, is characterized in that, described host computer interface circuit adopts RS485 chip.
5. the digital electric ampere-voltage meter of a kind of wireless signal transmission as claimed in claim 1, is characterized in that, described master controller adopts upd78f0513 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574456.4A CN103645376A (en) | 2013-11-15 | 2013-11-15 | Digital current voltmeter of wireless transmission signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574456.4A CN103645376A (en) | 2013-11-15 | 2013-11-15 | Digital current voltmeter of wireless transmission signal |
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| CN103645376A true CN103645376A (en) | 2014-03-19 |
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| CN201310574456.4A Pending CN103645376A (en) | 2013-11-15 | 2013-11-15 | Digital current voltmeter of wireless transmission signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596882A (en) * | 2018-12-24 | 2019-04-09 | 彭希南 | A kind of photovoltaic generating system voltmeter |
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| CN102128977A (en) * | 2010-01-20 | 2011-07-20 | 华北电网有限公司 | Single-phase watt-hour meter supporting two-way communication |
| CN101873010A (en) * | 2010-07-14 | 2010-10-27 | 河南龙杰电气有限公司 | Intelligent monitoring terminal of electric distribution system |
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Application publication date: 20140319 |
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