CN105067932A - Intelligent electric power instrument - Google Patents
Intelligent electric power instrument Download PDFInfo
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- CN105067932A CN105067932A CN201510531799.1A CN201510531799A CN105067932A CN 105067932 A CN105067932 A CN 105067932A CN 201510531799 A CN201510531799 A CN 201510531799A CN 105067932 A CN105067932 A CN 105067932A
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Abstract
Disclosed in the invention is an intelligent electric power instrument comprising a multi-core processor, an information collection device, a communication unit, and a picture division device. The signal collection device is connected with user electric wires and signal inputting units; the picture division device is connected with a display screen and at least two signal output units; the communication unit is connected with a coding unit and the multi-core processor; and the multi-core processor is connected with the coding unit, the information inputting unit, the information outputting unit, a memory, a peripheral circuit, and a power circuit. At least two paths of user electric wires are arranged. According to the invention, the active energy and power can be calculated. The instrument has the under-voltage, over-voltage, and over-current alarming functions. With the multi-core processor, electricity usage information of multiple households can be processed simultaneously; and the picture division display and wireless transmission functions can be realized. Automation of the electrical detection equipment can be realized.
Description
technical field:
The present invention relates to a kind of electric instrument, particularly relate to a kind of intelligent electric instrument.
background technology:
Electric power is the main foundation energy in our daily life and commercial production, play very important effect in modern society, it is not only the large problem of strategy that relation National Industrial is produced, and and daily life, social stability has close relationship, the use of various household electrical appliance and extensive consumer, electric system becomes increasingly complex, also various new problem is brought thus, the requirement of various Novel electric equipment to the quality of power supply is more and more higher, simultaneously because the access electric system of disturbance load or other disturbing sources exist, cause a large amount of power quality problems, this just requires that power supply department and user can carry out Real-Time Monitoring to the grid operating conditions of a certain node, corresponding measure is taked according to grid operating conditions, improve the quality of power supply.
Along with power industry is measured and the robotization of management, intellectuality and networking iterative method, electric power monitoring instrument as electric power management system ingredient also plays a part more and more important, the measurement of electrical network parameter is not only paid close attention to widely always with monitoring and is paid attention to, and is also related to the lifting of electrical management level and the vital interests of power consumer simultaneously.
summary of the invention:
Technical matters to be solved by this invention is: overcome the deficiencies in the prior art, there is provided one can calculate active energy and power, there is under-voltage, overvoltage, overcurrent warning function, many families power information is processed by polycaryon processor simultaneously, and carry out the intelligent electric instrument of picture segmentation display and wireless transmission function.
Technical scheme of the present invention is: a kind of intelligent electric instrument, comprise polycaryon processor, information collecting device, communication unit and image splitter, described signal pickup assembly is opened with user's electric wire and signal and is connected into unit, described image splitter is outputed unit with display screen and at least two signals and is connected, described communication unit is connected with coding unit and polycaryon processor, described polycaryon processor and coding unit, information are opened and are outputed unit, reservoir, peripheral circuit and power circuit be connected into unit, information, and described user's electric wire is at least two-way.
Described signal gathering unit and signal are opened between unit and image splitter and signal are outputed between unit and be provided with Date Conversion Unit, and described communication unit is RS485 communication unit.
Be provided with interface along separate routes between described Date Conversion Unit and image splitter, described shunt interface is connected with coding unit.
Described information collecting device comprises voltage acquisition unit and current acquisition unit, and described power circuit outputs unit with display, image splitter, communication unit, coding unit, information collecting device, signal, signal is opened and is connected into unit and peripheral circuit.
Described power supply unit, be the AC220V power supply exchanged is become through buffer protection, EMC, rectifying and wave-filtering, PWM give, rectification output, voltage stabilizing feedback become the direct supply of DC12V, DC5V, the DC3.3V that can be used for each circuit working.
Described voltage, current acquisition unit are converted into weak electric signal the voltage in user's electric wire, current signal through superpotential, current acquisition unit, enter polycaryon processor and calculate parameters of electric power and metering electric energy.
Described RS485 communication unit, polycaryon processor responds the communication request of host computer by RS485, adopts Modbus agreement that the parameters of electric power measured and harmonic value are passed to host computer.
The invention has the beneficial effects as follows:
1, the present invention can calculate active energy and power, there is under-voltage, overvoltage, overcurrent warning function, many families power information is processed by polycaryon processor simultaneously, and carry out picture segmentation display and wireless transmission function, realize the robotization of electrical detection facility.
2, the present invention adopts polycaryon processor to replace traditional information about power measuring apparatus, can detect the power information of multiple user simultaneously, reduces the waste of resource.
3, the present invention is provided with image splitter, can show the power information of detected user over the display simultaneously, solves traditional multiple display and carries out showing the problem causing the wasting of resources.
4, the present invention's display to Monitoring Data by coding unit and communication unit realization, the setting of coding unit, ensures in the order of carrying out wireless telecommunications time data.
5, the present invention can replace the workload of the electric equipment of multiple tradition meter simultaneously, decreases the use amount of the electric equipment of tradition meter, makes checkout equipment smaller volume, decrease the use amount in space, reduce the waste of resource simultaneously.
6, the electric power basic parameter such as the real-time measuring voltage of the present invention, electric current, mains frequency, calculate active energy and power, reactive energy and power, the phase angle of apparent electric energy and power, power factor, line voltage and electric current, the amplitude of 2-31 subharmonic of line voltage and electric current and containing ratio, and show on a display screen.
The warning such as 7, the present invention has under-voltage, overvoltage, overcurrent, low frequency, high frequency, power factor is low, voltage phase sequence is wrong, and the action of different alert event control signal output switch amount can be set.
accompanying drawing illustrates:
Fig. 1 is the structural representation of intelligent electric instrument.
Fig. 2 is power circuit circuit diagram.
Fig. 3 is voltage collection circuit circuit diagram.
Fig. 4 is current collection circuit circuit diagram.
Fig. 5 is that signal is opened into circuit figure.
Fig. 6 is signal digital output circuit circuit diagram.
Fig. 7 is communicating circuit circuit diagram.
embodiment:
Embodiment: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7.
Intelligent electric instrument, comprise polycaryon processor, information collecting device, communication unit and image splitter, signal pickup assembly leaves with user's electric wire and signal and is connected into unit, image splitter is outputed unit with display screen and at least two signals and is connected, communication unit is connected with coding unit and polycaryon processor, polycaryon processor and coding unit, information are opened and are outputed unit, reservoir, peripheral circuit and power circuit be connected into unit, information, and user's electric wire is at least two-way.
Signal gathering unit and signal are opened between unit and image splitter and signal are outputed between unit and be provided with Date Conversion Unit, and communication unit is RS485 communication unit.Be provided with interface along separate routes between Date Conversion Unit and image splitter, interface is connected with coding unit along separate routes.
Information collecting device comprises voltage acquisition unit and current acquisition unit, and power circuit outputs unit with display, image splitter, communication unit, coding unit, information collecting device, signal, signal is opened and is connected into unit and peripheral circuit.
Power circuit is divided into buffer protection part, EMC part, rectifying and wave-filtering part, part is sent in PWM change, rectification output and voltage stabilizing feedback section assign to design, AC power is through buffer protection circuit RQ1 and MOV1, differential mode interference when occurring for preventing the situations such as thunderbolt, L3 and CX1 on EMC circuit is combined into a low-pass filter circuit, after rectifying and wave-filtering, wherein DB1 is rectifier bridge, change into high level direct current signal, high level direct current signal is modulated and pulse transformer EE16 magnetic core through PWM main control chip LNK364, material PC47, D11 fly-wheel diode, change into low-voltage AC pulse signal, low-voltage AC pulse signal changes into required direct current signal through overcommutation output, direct current signal connects voltage stabilizing again and fed back through optocoupler TL431 by the on/off Signal transmissions after isolation to Switching Power Supply control chip, thus the voltage stabilizing completed under output terminal different loads.
Current acquisition unit and voltage acquisition unit are that the electric current of three-phase in electrical network, voltage signal are converted into weak electric signal, T1 current transformer is HWGS-9 (5A/2.5mA), T4 voltage transformer (VT) is TR3121CH (2mA/2mA), R1, C1, R4, C2 form RC filtering circuit, when resistance R2, R3, R18, R19 sample of signal resistance ensures input peak signal, the signal of input does not exceed input range.
Signal is opened and outputed unit into unit and signal is that On-off signal detects and output switch parameter controls, light-coupled isolation U8, U10 are TLP127, isolation voltage 2500V, R29, R30, R32, R33 resistance is 200K, pull-up resistor R31 is 10K, R34 be 5.1K, C8 is 104 electric capacity, and D7 is IN4007, output switch parameter is relay R J1HF46F passive bus, and On-off signal and output are undertaken detecting and controlling by I/O mouth.
During use, signal pickup assembly gathers the current-voltage information on user's electric wire, by being transported to polycaryon processor after process, after polycaryon processor processes the information received, riches all the way delivers to image splitter, coding unit of separately the leading up to laggard communication unit of crossing that carries out encoding carries out wireless transmission, and image splitter processes the information received.Show on a display screen.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. an intelligent electric instrument, comprise polycaryon processor, information collecting device, communication unit and image splitter, it is characterized in that: described signal pickup assembly is opened with user's electric wire and signal and is connected into unit, described image splitter is outputed unit with display screen and at least two signals and is connected, described communication unit is connected with coding unit and polycaryon processor, described polycaryon processor and coding unit, information are opened and are outputed unit, reservoir, peripheral circuit and power circuit be connected into unit, information, and described user's electric wire is at least two-way.
2. intelligent electric instrument according to claim 1, is characterized in that: described signal gathering unit and signal are opened between unit and image splitter and signal are outputed between unit and be provided with Date Conversion Unit, and described communication unit is RS485 communication unit.
3. intelligent electric instrument according to claim 2, is characterized in that: be provided with interface along separate routes between described Date Conversion Unit and image splitter, described shunt interface is connected with coding unit.
4. intelligent electric instrument according to claim 1, it is characterized in that: described information collecting device comprises voltage acquisition unit and current acquisition unit, described power circuit outputs unit with display, image splitter, communication unit, coding unit, information collecting device, signal, signal opens and be connected into unit and peripheral circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531799.1A CN105067932A (en) | 2015-08-27 | 2015-08-27 | Intelligent electric power instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531799.1A CN105067932A (en) | 2015-08-27 | 2015-08-27 | Intelligent electric power instrument |
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| CN105067932A true CN105067932A (en) | 2015-11-18 |
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| CN201510531799.1A Pending CN105067932A (en) | 2015-08-27 | 2015-08-27 | Intelligent electric power instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308324A (en) * | 2019-07-10 | 2019-10-08 | 深圳市中远通电源技术开发有限公司 | A kind of method and device of threephase AC electric energy acquisition |
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| CN2160915Y (en) * | 1993-01-12 | 1994-04-06 | 董华 | Digital watt-hour meter for multiple consumers |
| CN2384228Y (en) * | 1999-04-27 | 2000-06-21 | 许若仁 | Multi-user intelligent watt-hour apparatus |
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| CN2519502Y (en) * | 2001-12-26 | 2002-10-30 | 王雯剑 | Single-phase integrated multiuser power meter |
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| CN202002973U (en) * | 2011-04-01 | 2011-10-05 | 盛隆电气集团有限公司 | Network multifunctional power meter |
| CN102166999A (en) * | 2011-04-07 | 2011-08-31 | 北京理工华创电动车技术有限公司 | High-voltage distribution box of pure electric commercial vehicle |
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| CN110308324A (en) * | 2019-07-10 | 2019-10-08 | 深圳市中远通电源技术开发有限公司 | A kind of method and device of threephase AC electric energy acquisition |
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Application publication date: 20151118 |