CN102230946B - Multifunctional intelligent electric power monitoring instrument - Google Patents
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- CN102230946B CN102230946B CN 201110084344 CN201110084344A CN102230946B CN 102230946 B CN102230946 B CN 102230946B CN 201110084344 CN201110084344 CN 201110084344 CN 201110084344 A CN201110084344 A CN 201110084344A CN 102230946 B CN102230946 B CN 102230946B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
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- 238000005259 measurement Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
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- 238000004088 simulation Methods 0.000 abstract 1
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- 238000004378 air conditioning Methods 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention provides a multifunctional intelligent electric power monitoring instrument which is a preferred intelligent type electric power monitoring instrument in a communication network equipment rack. Communication equipment installed in the communication network equipment rack employs dual power supply. The electric power monitoring instrument is a set of double channel intelligent electric power monitoring unit which carries out sampling, determination, and respective superposition calculation on electrical parameter of a dual power load circuit simultaneously, carries out network transmission on measured and calculated data, integrates the data on a display screen for querying, and displays arbitrary one and two superposition data. The most advanced SoC technology at present in industry is adopted in a circuit structure of the present invention. By adopting the technology, circuit complexity is greatly reduced, influence of electromagnetic interference on product performance is effectively reduced, signal to noise ratio of simulation signal is raised, furthermore measuring precision of various electrical parameters is raised, and good cooperation of good performance and low cost of the product is realized.
Description
Technical field
The present invention relates to a kind of multifunctional intellectual electric power monitoring instrument, is the multifunctional intellectual electric power monitoring instrument on a kind of communication network device rack that is particularly suitable for being installed among the IDC (Internet Data Center).
Background technology
Data communication service is occupied critical role in telecommunications company, trust server is the important item to manage of telecommunications company.Various places telecommunications company feels at ease in these and has adorned the various network services device all at Large scale construction Internet data center (IDC) in recent years, and that does not day and night stop provides service for global customers.The power consumption of the webserver and necessary air-conditioning equipment is huge, and the energy-saving and cost-reducing of IDC machine room is the important energy-conservation task of telecom operators.Reduce the power consumption of server in each communication network rack, equal the more webserver can be installed, when supporting the environmental protection cause, create remarkable economic efficiency.Cut down the consumption of energy, must carry out monitoring management accurately to it, must adopt the advanced multifunctional intellectual electric power monitoring instrument that satisfies particular demands efficiently.
Two-way digital display galvanometer only is installed on the communication network device rack in IDC at present, and it can only monitor and show load current, can not carry out monitoring and metering to electric parameters such as voltage, frequency, power factor (PF), active power, reactive power, active electrical degrees.
The previous optional technical scheme of order be adopt 2 independently the multifunctional intellectual ammeter integrate respectively each road in the two-way power load circuit monitored, but this scheme, cost height not only, and can not be implemented in a display screen inquiry, demonstration wherein arbitrary road and two-way superposition of data in rack this locality, and by 1 computing machine address data are sent to background computer monitoring system center.
The at present existing common design proposal of multifunctional intellectual ammeter is to adopt special-purpose analog-digital conversion ic+intelligent chip+storage chip+clock chip+a plurality of integrated circuit such as lcd driver chip to combine, cause the circuit complexity, reliability reduces, simultaneously feeble signal is produced and disturb, influence measuring accuracy and stability.If desired the two-way power load circuit is measured, needed 2 this intelligent chips.In addition, the current transformer of common interchange intelligent electric energy meter is fixedly mounted on its inside, in case intelligent electric energy meter breaks down when needing to change, current transformer (can not damage generally speaking) also will be changed simultaneously even without damaging.
Chinese patent literature CN201732471U discloses a kind of intelligent electric power monitoring device on February 2nd, 2011, it is characterized in that: comprise mutual inductor, intelligence instrument, data converter, control computer, wherein mutual inductor is installed in A, B, each phase of C of the transmission line of electricity of consumer front end respectively, and be connected with described intelligence instrument by cable, a plurality of intelligence instruments are by connecting the input end of data converter after the cable parallel connection, the output terminal of data converter connects the control computer by communication interface.The mutual inductor of this structure and intelligence instrument branch are arranged, but since an intelligence instrument can only monitor one road power supply, be unfavorable for using in IDC the communication network device rack on.
Summary of the invention
Purpose of the present invention aim to provide a kind of simple and reasonable, cost is low, precision is high, the operation easy for installation, long service life, can sample, judge the electric parameter of two-way power load circuit simultaneously and calculate with stack respectively, the measurements and calculations data are carried out network to be transmitted, concentrate on the display screen inquiry, show the wherein two-way multifunctional intellectual electric power monitoring unit on arbitrary road and two-way superposition of data, to overcome weak point of the prior art.
By a kind of multifunctional intellectual electric power monitoring instrument of this purpose design, be selected in the electric power monitoring instrument of using on the communication network device rack headed by the described electric power monitoring instrument; The communication facilities that is installed on the communication network device rack adopts the power supply of two-way power supply, its architectural feature is that described electric power monitoring instrument is that a cover is sampled, judged the electric parameter of this two-way power load circuit simultaneously and calculates with stack respectively, the measurements and calculations data are carried out network transmit, concentrate on inquiry on the display screen, show the wherein two-way multifunctional intellectual electric power monitoring unit on arbitrary road and two-way superposition of data.
Described multifunctional intellectual electric power monitoring instrument is made up of measuring instrument main frame and current sensor assembly.The current sensor assembly can be installed in beyond the left side of measuring instrument main frame or right side or the measuring instrument main frame other position.The shell of the shell of current sensor assembly and measuring instrument main frame is separate member, and the convenient left side that is installed in the measuring instrument main frame in different installation environments flexibly or right side or other are the position easily.In equipment running process, if the measuring instrument main frame breaks down in the time of must changing, it is constant in former installation site to keep the current sensor assembly, thereby is implemented in the purpose of changing faulty equipment under the condition of not interrupting user power utilization.
Described measuring instrument main frame comprises special intelligent chip circuit, serial communication circuit, LCD display circuit, keyboard circuit and power module; The special intelligent chip circuit is provided with a special intelligent chip, and the special intelligent chip internal comprises multiple functional module and integrated feeble signal modulate circuit.The special intelligent chip adopts present state-of-the-art SoC technical scheme, is the MSP430F471XX series that Texas Instruments produces, and this chip aims at design of intelligent instrument, its can be applied in single-phase or the three-phase intelligent instrument product on, design is used to single power supply.The special intelligent chip internal comprises the functional module that multiple intelligence instrument product needed is used, and makes product circuit greatly simplify.Because integrated feeble signal modulate circuit, product measuring accuracy and stability are significantly improved.
Described special intelligent chip is the intelligent chip of MSP430F471XX series, and the XX among the MSP430F471XX is 63,73,83,93,26,66,76,86,96,27,67,77,87 or 97; The functional module of described special intelligent chip comprises that CPU register module, power supply detection module, hardware multiplier module, watchdog module, timer module, calendar clock module, LCD display drive port module, wireless communication port module, dma controller module, oscillator module, program register module, data register module, conversion module, comparator module and general purpose I/O port module and (these functional modules focused on the technology that constitutes the multiple functional dedicated devices of high integration in the intelligent chip, be commonly referred to as the SoC technology.At present most common intelligent electric energy meter adopt the special-purpose electrical quantity sampling A+real-time chip+temperature sensor of universal intelligent chip MCU++variable gain amplifier+... circuit structure complexity, cost height).
Described serial communication circuit is the RS-485 serial communication circuit, and this circuit is provided with SN65HVD3085 communication chip and photoelectric coupled device.The RS-485 communication port adopts SN65HVD3085 communication chip and the photoelectric coupled device of band antisurge ability, realizes the purpose of isolating fully with core circuit.Guaranteeing that monitoring means can be stablized is operated under the electromagnetic environment rugged environment exactly, guarantees that communication port and core circuit are not destroyed by outside lightening pulse, have improved the viability of equipment.
Described measuring instrument main frame is provided with the control panel that turns forward from lower to upper, and control panel is provided with LCD display, operation keyboard and pilot lamp, and LCD display is connected with the LCD display circuit, and operation keyboard is connected with keyboard circuit with pilot lamp.LCD display is for adopting the electrical design index specialized designs customization that is complementary with special intelligent chip drive circuit characteristic, directly use the driving function of special intelligent built-in chip type, when realizing good display effect, simplified the peripheral circuit of product greatly.The LCD display of giant-screen is obliquely installed, even be installed in eminence, also the handled easily personnel watch the parameter on the LCD display.
Described keyboard circuit is provided with the external keyboard connector, and this connector is connected with the external key control enclosure by cable; And/or the measuring instrument main frame also is provided with radio remote control circuit, and this radio remote control circuit is provided with RF remote-controlled communication module or infrared remote control communication module, and supporting the wireless remote control control enclosure is arranged.The keyboard of measuring instrument host computer control panel is provided with three buttons, and the button design is on the LCD display next door; In addition, the measuring instrument main frame also designs external key control enclosure and the wireless remote control control enclosure that connects by cable, and the operating function of keyboard components is overlapping therewith, makes things convenient under the different application environment operating personnel to the use of measuring instrument.The wireless communication port design has RF remote-controlled communication module and two kinds of forms of infrared remote control communication module, and the wireless communication port support adopts communication to connect the measuring instrument main frame, realizes expansion button operation convenience.
Described measuring instrument main frame is provided with pilot relay module connector.The pilot relay module offers the extra extendible control ability of client, and relay possesses the control ability of 250VAC/10A.Relay can be operated according to the instruction that transmits by communication port, also can be by the measuring instrument main frame according to the condition that sets in advance from main control.With relay module interlock local audible and visual alarm function can also be arranged.
Described two-way power load circuit is single phase alternating current power supply A and the power supply B that is controlled respectively by two switches and the apparatus of load that is subjected to electricity thereof; Perhaps, the two-way power load circuit is direct supply A and the power supply B that is controlled respectively by two switches and the apparatus of load that is subjected to electricity thereof.
Described power module also includes at the lithium battery that does not have to provide for the calendar clock module of special intelligent chip under the condition of external power source power supply.Power module is responsible for providing power supply to measuring instrument.Measuring instrument uses the power supply of the separate power supply of two-way simultaneously, if one of them power supply can normal power supply just can the support equipment operate as normal.Power module inside comprises lithium battery, supports the continuation operation of intelligent chip inside day calendar clock under the condition that does not have external power source fully.
Intelligent electric power measuring instrument of the present invention is installed the intelligent electric power measuring instrument by the power supply leading-in end at the communication network device rack, and the client is carried out the fees policy directly related with power consumption.Be conducive to encourage the user to select, install the new and effective network equipment for use with comparing by the space fees policy, be conducive to telecommunications company and improve the IDC capacity, improve the equipment operational reliability, reduce power consumption, cut operating costs.The intelligent electric power measuring instrument can sample, judge the electric parameter of two-way power load circuit simultaneously and calculate with stack respectively, the measurements and calculations data are carried out network to be transmitted, concentrate on the display screen inquiry, show the work of each road and two-way superposition of data, comparing with the ability that common intelligent electric energy meter can only be monitored 1 road power supply has very big difference.The circuit structure of equipment has adopted the state-of-the-art SoC technology of present industry, adopt this mode can significantly reduce the complexity of circuit, effectively reduce electromagnetic interference (EMI) to the influence of product, improve the signal to noise ratio (S/N ratio) of simulating signal and then improve the measuring accuracy of various electrical quantitys, realize the high-performance of product and good fit cheaply.The intelligent electric power measuring instrument is supporting press key control box and the wireless remote control controller that has designed the cable connection also, and the handled easily personnel are installed in the intelligent electric power measuring instrument of higher position in terrestrial operation.It is simple and reasonable, cost is low, precision is high, easy for installation, the long service life of operation.
Description of drawings
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is another angle structural representation of Fig. 1.
Fig. 3 is the backsight structural representation of Fig. 1.
Fig. 4 is that special intelligent chip functions module constitutes block diagram.
Fig. 5 is special intelligent chip circuit figure.
Fig. 6 is the RS-485 serial communication circuit.
Fig. 7 is radio remote control circuit.
Fig. 8 is the LCD display circuit.
Fig. 9 is keyboard and LCD backlight control circuit.
Figure 10 is intelligent electric power measuring instrument operational flowchart.
Figure 11 constitutes block diagram for invention.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1-Fig. 9 and Figure 11, be selected in the electric power monitoring instrument of using on the communication network device rack headed by this multifunctional intellectual electric power monitoring instrument, described electric power monitoring instrument; The communication facilities that is installed on the communication network device rack adopts the power supply of two-way power supply, described electric power monitoring instrument, it is characterized in that being that a cover is sampled, judged the electric parameter of this two-way power load circuit simultaneously and calculates with stack respectively, the measurements and calculations data are carried out network transmit, concentrate on the display screen double-path intelligent electric power monitoring unit of inquiring about, show each road and two-way superposition of data.The two-way power load circuit is single phase alternating current power supply A and the power supply B that is controlled respectively by two switches and the apparatus of load that is subjected to electricity thereof; Perhaps, the two-way power load circuit is direct supply A and the power supply B that is controlled respectively by two switches and the apparatus of load that is subjected to electricity thereof.The intelligent electric power measuring instrument is made up of measuring instrument main frame 1 and current sensor assembly 3.Measuring instrument main frame 1 is thin box, and both sides and rear end are provided with erecting frame 2.
Measuring instrument main frame 1 comprises special intelligent chip circuit, serial communication circuit, LCD display circuit, keyboard circuit and power module; The special intelligent chip circuit is provided with a special intelligent chip, and the special intelligent chip internal comprises multiple functional module and integrated feeble signal modulate circuit.The special intelligent chip is the intelligent chip of MSP430F471XX series, and the XX among the MSP430F471XX is 63,73,83,93,26,66,76,86,96,27,67,77,87 or 97; The functional module of described special intelligent chip comprises that CPU register module, power supply detection module, hardware multiplier module, watchdog module, timer module, calendar clock module, LCD display drive port module, wireless communication port module, dma controller module, oscillator module, program register module, data register module, conversion module, comparator module and general purpose I/O port module.
Serial communication circuit is the RS-485 serial communication circuit, and this circuit is provided with SN65HVD3085 communication chip and photoelectric coupled device.
The measuring instrument main frame is provided with the control panel 1.1 that turns forward from lower to upper, control panel is provided with LCD display 1.3, operation keyboard 1.2 and pilot lamp 1.4, LCD display is connected with the LCD display circuit, and operation keyboard is connected with keyboard circuit with pilot lamp.Measuring instrument main frame 1 also includes the LCD backlight control circuit, for LCD display provides illumination.
Keyboard circuit is provided with external keyboard connector 1.6, and this connector is connected with the external key control enclosure by cable; The measuring instrument main frame also is provided with radio remote control circuit, and this radio remote control circuit is provided with chip SM5032, and supporting the wireless remote control control enclosure is arranged.Measuring instrument main frame 1 is provided with pilot relay module connector 1.5.Power module also includes at the lithium battery that does not have to provide for the calendar clock module of special intelligent chip under the condition of external power source power supply.
Referring to Figure 10, this intelligent electric power measuring instrument operating process: (1) turns on the power switch, and enters the measurement state automatically, and automatic rolling shows various measurement parameters, and 15s can manually change display parameter with the Up/Down key at interval.(2) press "enter" key" in short-term, enter query State, display screen order display device basic setup parameter is with the replaceable display parameter of any key; Intervene as unmanned, each parameter shows 30s; Return measurement state after operation is finished.(3) length is pressed "enter" key"＞5s, enters the state of setting, and weak point is pressed the Up/Down key, carries out the basic parameter setting, and order arranges various fundamental measurement parameters, and "enter" key" is selected to enter setting, and the Up/Down key can manually change display parameter; Use the Up/Down key to skip the not parameter of desired modifications; Return measurement state after operation is finished.Perhaps, enter the state of setting after, long press "enter" key"＞5s, carry out that 9 grades of voltages are carried out in the measurement parameter setting successively, current measurement is calibrated; "enter" key" is carried out a certain shelves calibration, and down key is skipped a certain shelves calibration; Return measurement state after operation is finished.
The performance parameter of this multifunctional intellectual electric power monitoring instrument is as follows:
Products characteristics
(1) adopts advanced electric-power metering special intelligent chip, true rms measurement.Electric parameter measurement precision height, good stability.
(2) possess two-way single phase alternating current power supply or two-way direct supply load circuit are carried out real-time electrical quantity monitoring and function of measuring.
(3) measuring instrument main frame and current sensor assembly are isolating construction, can adapt to the installing space of different racks, are supported under the condition that does not have a power failure and change measuring instrument.
(4) possess abundant statistical function, can preserve over 6 months monthly electric energy consumption record, can preserve power supply requirement data according to the time that arranges.
(5) possess the RS-485 communication port of full isolation, the pilot relay that can arrange is installed, possess the audible and visual alarm of interlock.
(6) measuring instrument is installed in communication network device rack top, standard 19 " machine dish mounting structure, do not influence the installation of the webserver and relevant cables.
Claims (6)
1. multifunctional intellectual electric power monitoring instrument, the electric power monitoring instrument of described electric power monitoring instrument for using at the communication network device rack; The communication facilities that is installed on the communication network device rack adopts the power supply of two-way power supply, it is characterized in that described electric power monitoring instrument is that a cover is sampled, judged the electric parameter of this two-way power load circuit simultaneously and calculates respectively with stack and calculate, the measurements and calculations data are carried out network transmit, concentrate on inquiry on the display screen, show the wherein two-way multifunctional intellectual electric power monitoring unit on arbitrary road and two-way superposition of data;
Described two-way multifunctional intellectual electric power monitoring unit is made up of measuring instrument main frame (1) and current sensor assembly (3); Current sensor assembly (3) is installed in beyond the left side of measuring instrument main frame or right side or the measuring instrument main frame other position;
Described measuring instrument main frame (1) comprises special intelligent chip circuit, serial communication circuit, LCD display circuit, keyboard circuit and power module; The special intelligent chip circuit is provided with a special intelligent chip, and the special intelligent chip internal comprises functional module and integrated feeble signal modulate circuit;
Described special intelligent chip is the intelligent chip of MSP430F471XX series, and the XX among the MSP430F471XX is 63,73,83,93,26,66,76,86,96,27,67,77,87 or 97; The functional module of described special intelligent chip comprises that CPU register module, power supply detection module, hardware multiplier module, watchdog module, timer module, calendar clock module, LCD display drive port module, wireless communication port module, dma controller module, oscillator module, program register module, data register module, conversion module, comparator module and general purpose I/O port module;
Described serial communication circuit is the RS-485 serial communication circuit, and this circuit is provided with SN65HVD3085 communication chip and photoelectric coupled device.
2. according to the described multifunctional intellectual electric power monitoring instrument of claim 1, it is characterized in that described measuring instrument main frame is provided with the control panel (1.1) that turns forward from lower to upper, control panel is provided with LCD display (1.3), operation keyboard (1.2) and pilot lamp (1.4), LCD display is connected with the LCD display circuit, and operation keyboard is connected with keyboard circuit with pilot lamp.
3. according to the described multifunctional intellectual electric power monitoring instrument of claim 2, it is characterized in that described keyboard circuit is provided with external keyboard connector (1.6), this connector is connected with the external key control enclosure by cable; And/or the measuring instrument main frame also is provided with radio remote control circuit, and this radio remote control circuit is provided with RF remote-controlled communication module or infrared remote control communication module, and supporting the wireless remote control control enclosure is arranged.
4. according to the described multifunctional intellectual electric power monitoring instrument of claim 1, it is characterized in that described measuring instrument main frame (1) is provided with pilot relay module connector (1.5).
5. according to the described multifunctional intellectual electric power monitoring instrument of claim 1, it is characterized in that described two-way power load circuit for the single phase alternating current power supply A that controlled respectively by two switches and be subjected to apparatus of load and the single phase alternating current power supply B of electricity and be subjected to the apparatus of load of electricity; Perhaps, the two-way power load circuit is for the direct supply A that controlled respectively by two switches and be subjected to apparatus of load and the direct supply B of electricity and be subjected to the apparatus of load of electricity.
6. according to the described multifunctional intellectual electric power monitoring instrument of claim 1, it is characterized in that described power module also includes at the lithium battery that does not have to provide for the calendar clock module of special intelligent chip under the condition of external power source power supply.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084344 CN102230946B (en) | 2011-04-02 | 2011-04-02 | Multifunctional intelligent electric power monitoring instrument |
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| CN 201110084344 CN102230946B (en) | 2011-04-02 | 2011-04-02 | Multifunctional intelligent electric power monitoring instrument |
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| CN102230946A CN102230946A (en) | 2011-11-02 |
| CN102230946B true CN102230946B (en) | 2013-07-10 |
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| CN 201110084344 Expired - Fee Related CN102230946B (en) | 2011-04-02 | 2011-04-02 | Multifunctional intelligent electric power monitoring instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104237629A (en) * | 2013-06-17 | 2014-12-24 | 苏州工业园区新宏博通讯科技有限公司 | Electric energy meter |
| CN105022256A (en) * | 2015-07-03 | 2015-11-04 | 烟台北极星石英钟有限公司 | Design method of pointer type multifunction intelligent clock |
| CN107167744A (en) * | 2016-03-07 | 2017-09-15 | 中国电力科学研究院 | A kind of power distribution automation device power supply (DPS) method for testing and detecting |
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| CN2783635Y (en) * | 2005-01-13 | 2006-05-24 | 北京东方信联科技有限公司 | Outer hanging type monitor for mobile communication direct amplifying station |
| CN201215495Y (en) * | 2008-07-04 | 2009-04-01 | 昆明理工大学 | Economic multifunctional agricultural environmental information collecting device |
| CN201340435Y (en) * | 2009-01-06 | 2009-11-04 | 武汉任驰能源科技开发有限公司 | Energy source metering and analyzing system |
| CN201984625U (en) * | 2011-04-02 | 2011-09-21 | 广东天乐通信设备有限公司 | Multifunctional intelligent electric power monitoring instrument |
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Effective date of registration: 20190523 Address after: 528300 30, 168 Yang Da Road, Xiyong Village Committee, Lunjiao Street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Tianle Communication Photoelectric Equipment Co.,Ltd. Address before: 528300 168 Lunjiaoyang Road, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG TIANLE COMMUNICATIONS EQUIPMENT Co.,Ltd. |
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