CN206773470U - A kind of data concentrator - Google Patents
A kind of data concentrator Download PDFInfo
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- CN206773470U CN206773470U CN201720540972.9U CN201720540972U CN206773470U CN 206773470 U CN206773470 U CN 206773470U CN 201720540972 U CN201720540972 U CN 201720540972U CN 206773470 U CN206773470 U CN 206773470U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of data concentrator, the data concentrator includes microprocessor and the liquid crystal display drive circuit being connected respectively with microprocessor, uplink communication circuit, key circuit, data storage circuitry, timing circuit, alternating current sampling circuit, downgoing communication circuit, microprocessor by UART universal serial bus respectively with uplink communication circuit, downgoing communication circuit, alternating current sampling circuit connects, the microprocessor is connected by SPI universal serial bus with liquid crystal display drive circuit, the microprocessor is connected by data/address bus with the data storage circuitry, the microprocessor passes through I2C universal serial bus is connected with timing circuit.The utility model uses each circuit part of modularized design, outstanding advantages of with simple in construction, easy updating maintenance, good reliability, long lifespan, to realize that electric energy meter networking provides effective means, the utility model integrated level is high, feature-rich, suitable for promoting the use of a large area.
Description
Technical field
The utility model is related to electronic instrument technical field, specifically for, the utility model is related to a kind of data set
Middle device.
Background technology
With the continuous social and economic development with the continuous expansion of Urban Scale, the increasingly increase of mobility of people, so as to
Cause meter reading workload also increasing, the mode to check the electric meter from house to house is obviously no longer suitable, thus needs for big
The intelligent electric meter that amount is dispersed in various regions is managed concentratedly, so as to the data concentrator that has been born, realizes the intelligent electric meter to various regions
It is managed collectively.
But existing data concentrator exist transmission speed slow, function limitation, integrated level it is relatively low, it is complicated, be not easy
The shortcomings of maintenance, short life, it can not meet that the real-time of power information acquisition, rich, accuracy etc. require.
Therefore, the real-time of power information acquisition how is improved, rich and accuracy becomes those skilled in the art
Technical problem urgently to be resolved hurrily and the emphasis studied all the time.
Utility model content
To solve the problems such as existing data concentrator poor real, content is single, accuracy is poor, the utility model provides
A kind of data concentrator, is improved message transmission rate by a variety of universal serial bus connected modes, is set based on modularized circuit
Meter improves reliability of the present utility model, optimizes and simplified product structure, extends concentrator function, improves concentrator
Integrated level and life-span.
To realize above-mentioned technical purpose, the utility model discloses a kind of data concentrator, the data concentrator includes
Microprocessor and the liquid crystal display drive circuit being connected respectively with microprocessor, uplink communication circuit, key circuit, data storage electricity
Road, timing circuit, alternating current sampling circuit, downgoing communication circuit, the microprocessor by UART universal serial bus respectively with it is up
Communicating circuit, downgoing communication circuit, alternating current sampling circuit connection, the microprocessor pass through SPI universal serial bus and liquid crystal drive
Circuit is connected, and the microprocessor is connected by data/address bus with the data storage circuitry, and the microprocessor passes through I2C goes here and there
Row bus are connected with timing circuit.
Each functional circuit is connected by the utility model by a variety of universal serial bus with microprocessor, so as to improve data
Transmission speed, and this circuit overlapping mode is simple, significantly reduces the structure of data concentrator, has the utility model
Have reliability high, long lifespan and it is easy-maintaining outstanding advantages of.
Further, the data storage circuitry includes model HY57V281620ETP-H dynamic random access memory
The FLASH memory of device and model K9F2G08U, the dynamic random access memory and the FLASH memory pass through
Data/address bus is connected with the microprocessor.
Data storage and the speed of digital independent are improved by above-mentioned memory, and then improves main website and obtains number
According to real-time purpose.
Further, the downgoing communication circuit includes RS485 communicating circuits, and the microprocessor is communicated by RS485
Circuit connects electric energy meter, so as to realize the purpose of meter reading.
Further, the alternating current sampling circuit includes current sampling circuit, voltage sampling circuit and metering circuit, electric current
Sample circuit includes current transformer, electric capacity and resistance；Voltage sampling circuit includes electric resistance partial pressure networking and filter circuit；Metering
Circuit is connected with current sampling circuit, voltage sampling circuit respectively, and metering circuit is by current sampling signal and voltage sampling signal
Data signal is converted into, the microprocessor is connected with metering circuit, receives the data signal.
Further, the uplink communication circuit includes GPRS communicating circuits, and the microprocessor communicates electricity by GPRS
Communicated wirelessly between road and main website, main website is sent data to by wireless transmission method.
Further, the key circuit includes button, model 74HC245 bus transceiver, and the button passes through
The transceiver is connected with the microprocessor, the purpose of realizing parameter setting.
Further, the timing circuit includes model RX8025T clock chip, and the clock chip is described micro-
Processor provides clock signal.
Further, the liquid crystal display drive circuit includes model 74HC245 bus transceiver, the bus transceiver point
Not Lian Jie microprocessor and LED, reach to parameter and collection data show, the purpose of man-machine interaction.
Further, the microprocessor is 32 arm processors based on ARM9 cores, its model
AT91SAM9260。
The utility model employs high performance 32 arm processors and embedded Linux operating system and Yaffs2 texts
Part system, outstanding advantages of data-handling capacity is strong, memory capacity is big and data reliability is high.
Further, the downgoing communication circuit also includes infrared communication circuit, carrier communication circuit, the uplink communication
Circuit also includes Ethernet communication circuit.
The utility model uplink communication and uplink communication employ multiple communication modes, improve utility model works
Reliability and stability.
The beneficial effects of the utility model are：The utility model uses each circuit part of modularized design, has structure
Simply, outstanding advantages of easy updating maintenance, good reliability, long lifespan, to realize that electric energy meter networking provides effective means, this
Utility model integrated level is high, feature-rich, suitable for promoting the use of a large area.
Brief description of the drawings
Fig. 1 is the utility model data concentrator structural representation.
Fig. 2 is microprocessor architecture schematic diagram.
Fig. 3 is that the microprocessor architecture schematic diagram after pin is simplified to Fig. 2.
Fig. 4 is data storage circuitry structural representation.
Fig. 5 is RS485 communicating circuit structural representations.
Fig. 6 is metering circuit structural representation.
Fig. 7 is current sampling circuit structural representation.
Fig. 8 is voltage sampling circuit structural representation.
Fig. 9 is GPRS communicating circuit structural representations.
Figure 10 is key circuit structural representation.
Figure 11 is timing circuit structural representation.
Figure 12 is liquid crystal display drive circuit structural representation.
In figure,
1st, liquid crystal display drive circuit；2nd, uplink communication circuit；3rd, key circuit；4th, data storage circuitry；5th, microprocessor；6、
Timing circuit；7th, alternating current sampling circuit；8th, downgoing communication circuit.
Embodiment
Detailed explanation and illustration is carried out to the structure of data concentrator of the present utility model with reference to Figure of description.
As shown in figs. 1-12, the utility model discloses a kind of data concentrator, the data concentrator to be used for centralized automatic meter-reading,
It has electric energy meter data acquisition and connected network communication function, and then realizes the network savvy of electric energy meter, specifically, in the data set
Device include microprocessor 5 and be connected respectively with microprocessor 5 liquid crystal display drive circuit 1, uplink communication circuit 2, key circuit 3,
Data storage circuitry 4, timing circuit 6, alternating current sampling circuit 7, downgoing communication circuit 8, microprocessor 5 are obtained by key circuit 3
Take key information, microprocessor 5 by UART universal serial bus respectively with uplink communication circuit 2, downgoing communication circuit 8, exchange and adopt
Sample circuit 7 is connected, and microprocessor 5 is received the order of main website by uplink communication circuit 2, passes through the picking platform of downgoing communication circuit 8
The data of electric energy meter in area, and the data of collection are reported by main website by uplink communication circuit 2, microprocessor 5 is gone here and there by SPI
Row bus are connected with liquid crystal display drive circuit 1, and liquid crystal display drive circuit 1 is used for display button information, configuration information, status information etc.,
Microprocessor 5 is connected by data/address bus with data storage circuitry 4, and microprocessor 5 deposits the data of order, parameter and collection
Data storage circuitry 4 is stored up, microprocessor 5 passes through I2C universal serial bus is connected with timing circuit 6, and microprocessor 5 is according to timing electricity
Data in the data and electric energy meter of the time automatic data collection alternating current sampling circuit 7 that road 6 provides.In the present embodiment, this practicality is new
The microprocessor 5 that type is related to be American ATMEL 32 based on ARM9 cores arm processor, its model
AT91SAM9260, the microprocessor 5 have the advantages that integrated level height, aboundresources, and the onboard clock of microprocessor 5, can
Realize the functions such as calendar, timing, automatic leap year.For convenience of description and understand, while be easy to circuit diagram to draw, the present embodiment is to figure
Microprocessor pin in 2 is simplified, and it is Fig. 3 to simplify the processor after pin.
As Figure 1-4, more specifically, data storage circuitry 4 includes model HY57V281620ETP-H dynamic
The FLASH memory of random access memory and model K9F2G08U, dynamic random access memory and FLASH memory are equal
It is connected by data/address bus with microprocessor 5, as shown in Figure 2,4, data/address bus includes data/address bus D and data/address bus A, model
FLASH memory for K9F2G08U is also a kind of nand memory of SLC types, capacity and the wiping of 100,000 times with 2GB
The life-span is write, data retention period was up to 10 years.
As Figure 1-5, downgoing communication circuit 8 includes RS485 communicating circuits, and microprocessor 5 passes through RS485 communicating circuits
Electric energy meter is connected, downgoing communication circuit 8 also includes infrared communication circuit, carrier communication circuit.Specific circuit connecting mode can
Rationally connected according to being actually needed, such as, as shown in Fig. 3,5, the TX5 pins of microprocessor, RX pins respectively with RS485
The data issuing side of communicating circuit connects with data receiver, and the utility model utilizes the jelly of the copy reading ammeter of downgoing communication circuit 8
Tie the data such as electricity, instant electricity, parameter, variable.Certainly, the utility model not only can be set above-mentioned RS485 meter readings and lead to
Road, also settable RS485 cascade channels, RS485 main websites passage and infrared local maintenance communication interface, realizes PC or palm electricity
Brain is communicated by above-mentioned interface with concentrator, carries out parameter setting data upload operation.What be the utility model is related to is infrared
Communicating circuit can a length of 900nm of received wave, the infrared signal that modulating frequency is 38kHz, and the signal solution received is turned
It is changed to Transistor-Transistor Logic level data-signal, is transmitted to microprocessor 5.
As shown in figures 1-8, alternating current sampling circuit 7 includes current sampling circuit, voltage sampling circuit and metering circuit, electric current
Sample circuit, voltage sampling circuit are respectively used to be connected with metering circuit；As shown in fig. 7, current sampling circuit is mutual including electric current
Sensor (being omitted in figure), electric capacity and resistance, as shown in figure 8, voltage sampling circuit includes electric resistance partial pressure networking and filter circuit (figure
Middle omission)；Metering circuit is connected with current sampling circuit, voltage sampling circuit respectively, and specific pin annexation is according to need
Rationally connected, metering circuit by after the accurate processing of current sampling signal and voltage sampling signal, be converted into data signal,
Microprocessor 5 is connected with metering circuit, receives data signal, and in the present embodiment, the model of Ju Li companies is selected in metering circuit
For ATT7022 computation chips, the chip is a high-precision three-phase electric energy the special metering IC, suitable for phase three-wire three and three-phase
Four line applications, so as to realize that the utility model carries out electric energy acquisition under phase three-wire three and three-phase and four-line structure.Based on the metering
Chip, the utility model can have timesharing, split-phase, point to and multi tariff accurate measurement exchange combine active, active energy, essence
Really metering combination reactive energy and all quadrants reactive energy, and forward and reverse maximum demand and four rate maximum demands can be measured, also
With regularly freezing, instantaneously freeze, a variety of energy datas such as arrange to freeze and freeze to record；Can real-time monitoring voltage, electric current, apparent
The multinomial dynamic parameter such as power and power factor (PF).
As shown in figs 1-9, uplink communication circuit 2 includes GPRS communicating circuits, microprocessor 5 by GPRS communicating circuits with
Communicated wirelessly between main website.Moreover, uplink communication circuit 2 also includes Ethernet communication circuit.The utility model passes through upper
The communication relations that row communicating circuit 2 is established between concentrator and main website, main website are sent out by uplink communication circuit 2 to data concentrator
Send monitor command, the information by concentrator of the present utility model monitoring objective electric energy meter at any time.
As Figure 1-10 shows, key circuit 3 includes button, model 74HC245 bus transceiver, and button passes through transmitting-receiving
Device is connected with microprocessor 5.Six functionality buttons are given in Figure 10, it is certainly, according to specific needs, public in the utility model
Under the enlightenment for the scheme opened, key number and pin annexation can be reasonably adjusted.
As shown in figs. 1-11, the timing circuit 6 that the utility model is related to includes the model of Japanese EPSON companies
RX8025T clock chip, it has the function of temperature-compensating, and clock chip is that microprocessor 5 provides clock signal, microprocessor
Device 5 efficiently controls the operation of each circuit according to the clock signal.
As shown in figs. 1-12, liquid crystal display drive circuit 1 includes model 74HC245 bus transceiver, the bus transceiver
Microprocessor 5 and LED (being omitted in figure) are connected respectively, show that the running status of concentrator, various parameters are set by LED
Situation data and various continuous datas, LED is provided with information exchanging channel between being equal to microprocessor 5, for showing in concentrator
Setting parameter and friendship reconnaissance amount amount, liquid crystal is giant-screen lattice lcd, chinese disply interactive interface, thus the utility model can also lead to
Cross liquid crystal display drive circuit 1 and the operation of liquid crystal display circuit finishing man-machine interaction.
Certainly, based on said structure, the also settable safety detection circuit of the utility model etc., and data storage circuitry is passed through
4 record special events, such as upper electricity, power down, hardware fault etc..
The utility model is applied to the low-voltage power system of automation, can pass through the modes such as power line carrier, RS485 communications
By the data reading system of the equipment such as electric energy meter to concentrator and store, each phase can be measured and close the active power of phase, idle work(
Rate, apparent energy, active energy and quadergy, while each phase current, voltage effective value, power factor, phase can also be measured
The parameters such as angle, frequency, then transferred data to by Ethernet communication circuit or GPRS communicating circuits in main station system, it is main website
Analysis of the system to data, form various forms and provide data support, therefore, the utility model disclosure satisfy that common electric energy meter
Realize the demand of Internet of Things.Notebook data concentrator is arranged on low pressure and becomes platform, for the electricity of all users below copy reading this change platform
Can table energy data etc. and main website coordinate, realize remote bill control etc. on the electric supply meter with expense control function, while can be with
Examine the data such as the voltage, electric current, power of taiwan area, the load and electricity consumption shape that main website can be according to load variations situation analysis user
Condition, while taiwan area integral point is freezed into electric quantity data and copied back, running status and the loss of whole circuit are analyzed, therefore, this practicality is new
Type can directly substitute taiwan area to examine ammeter.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation "
It should be interpreted broadly Deng term, for example, it may be fixedly connected or be detachably connected, or integrally；Can be machinery
Connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two elements
Internal connection or the interaction relationship of two elements, limited unless otherwise clear and definite.For the ordinary skill people of this area
For member, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution and simple modifications for being made in utility model substantive content etc., it should be included in of the present utility model
Within protection domain.
Claims (10)
- A kind of 1. data concentrator, it is characterised in that：The data concentrator include microprocessor (5) and respectively with microprocessor (5) liquid crystal display drive circuit (1) of connection, uplink communication circuit (2), key circuit (3), data storage circuitry (4), timing circuit (6), alternating current sampling circuit (7), downgoing communication circuit (8), the microprocessor (5) by UART universal serial bus respectively with it is up Communicating circuit (2), downgoing communication circuit (8), alternating current sampling circuit (7) connection, the microprocessor (5) are serially total by SPI Line is connected with liquid crystal display drive circuit (1), and the microprocessor (5) is connected by data/address bus with the data storage circuitry (4), The microprocessor (5) passes through I2C universal serial bus is connected with timing circuit (6).
- 2. data concentrator according to claim 1, it is characterised in that：The data storage circuitry (4) includes model HY57V281620ETP-H dynamic random access memory and model K9F2G08U FLASH memory, the dynamic with Machine accesses memory and the FLASH memory is connected by data/address bus with the microprocessor (5).
- 3. data concentrator according to claim 1 or 2, it is characterised in that：The downgoing communication circuit (8) includes RS485 communicating circuits, the microprocessor (5) connect electric energy meter by RS485 communicating circuits.
- 4. data concentrator according to claim 3, it is characterised in that：The alternating current sampling circuit (7) is adopted including electric current Sample circuit, voltage sampling circuit and metering circuit, current sampling circuit include current transformer, electric capacity and resistance；Voltage sample Circuit includes electric resistance partial pressure networking and filter circuit；Metering circuit is connected with current sampling circuit, voltage sampling circuit respectively, meter Current sampling signal and voltage sampling signal are converted into data signal by amount circuit, and the microprocessor (5) connects with metering circuit Connect, receive the data signal.
- 5. the data concentrator according to claim 1 or 4, it is characterised in that：The uplink communication circuit (2) includes GPRS Communicating circuit, the microprocessor (5) between GPRS communicating circuits and main website by communicating wirelessly.
- 6. data concentrator according to claim 5, it is characterised in that：The key circuit (3) includes button, model 74HC245 bus transceiver, the button are connected by the transceiver with the microprocessor (5).
- 7. the data concentrator according to claim 1 or 6, it is characterised in that：The timing circuit (6) includes model RX8025T clock chip, the clock chip are that the microprocessor (5) provides clock signal.
- 8. data concentrator according to claim 1, it is characterised in that：The liquid crystal display drive circuit (1) includes model 74HC245 bus transceiver, the bus transceiver connect microprocessor (5) and LED respectively.
- 9. data concentrator according to claim 1, it is characterised in that：The microprocessor (5) is based on ARM9 cores 32 arm processors, its model AT91SAM9260.
- 10. data concentrator according to claim 5, it is characterised in that：The downgoing communication circuit (8) also includes infrared Communicating circuit, carrier communication circuit, the uplink communication circuit (2) also include Ethernet communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540972.9U CN206773470U (en) | 2017-05-16 | 2017-05-16 | A kind of data concentrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540972.9U CN206773470U (en) | 2017-05-16 | 2017-05-16 | A kind of data concentrator |
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| Publication Number | Publication Date |
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| CN206773470U true CN206773470U (en) | 2017-12-19 |
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| CN201720540972.9U Active CN206773470U (en) | 2017-05-16 | 2017-05-16 | A kind of data concentrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806224A (en) * | 2018-08-09 | 2018-11-13 | 浙江八达电子仪表有限公司 | Concentrator based on bandwidth carrier communication |
-
2017
- 2017-05-16 CN CN201720540972.9U patent/CN206773470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806224A (en) * | 2018-08-09 | 2018-11-13 | 浙江八达电子仪表有限公司 | Concentrator based on bandwidth carrier communication |
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