CN2655250Y - One meter system multipurpose power metering monitor for commerce - Google Patents
One meter system multipurpose power metering monitor for commerce Download PDFInfo
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- CN2655250Y CN2655250Y CN 03262837 CN03262837U CN2655250Y CN 2655250 Y CN2655250 Y CN 2655250Y CN 03262837 CN03262837 CN 03262837 CN 03262837 U CN03262837 U CN 03262837U CN 2655250 Y CN2655250 Y CN 2655250Y
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- meter
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Abstract
The utility model relates to a commercial used one meter multiple usage electric metering monitoring device, comprising a voltage transformer, a circuit transformer input end which is connected with an electrified wire netting, wherein the output end of the voltage transformer and the circuit transformer are respectively connected with the input end of an electric transducer and a phase identifier, the output end of the electric transducer is connected with a main central processing unit, the output end of the transducer is connected with a side central processing unit, the output end of the side central processing unit is connected with the main central processing unit,, a keyboard, a display, a power off mnemonic, a serial line interface, a concentrating meter copying device and a reactive-load compensation controller are respectively connected with the main central processing unit, and the serial line interface is connected with the concentrating meter copying device. The device finishes the job by one set which need four kinds of devices to finish originally, the device investment is small, the integration degree is high, one meter is used multiply, and the performance is safe and reliable, which is used to detect the operation of an electric system voltmeter, assessment the pipeline consumption, meter the charging, meter the feed back, copy the device collectively and increase a plurality of applying demands of the power factor reactive-load compensation.
Description
One, technical field
The utility model is that electric system is used for metering, distribution monitoring, centralized automatic meter-reading and reactive-load compensation instrument, particularly be a kind of commercial one meter system multi-usage electric-power metering monitoring device.
Two, background technology
Some technical matterss such as the city rural power grid transformation of electric system is finished substantially, and whether the market operation of electric system progressively deeply, reasonable to the configuration of the city rural power grid equipment transformed, and whether position resolver, Capacity Selection be reasonable are still to be tested.Whether, be the necessary means of dispensing electric department, the distribution monitoring device will installed by the electric department that at this moment provides and delivers on the post, on the transformer if utilizing the setting of distribution monitoring differentiation transformer reasonable.Current transformer CT, voltage transformer pt be distribution monitoring must adorn front-end equipment.Along with going deep into of electricity market market operation, the electricity consumption examination is again the necessary means that electricity consumption department (sale of electricity) manages the sale of electricity charge.Batch meter is installed is needed a cover current transformer and a voltage transformer (VT) again.The repeating to be installed in here of two departments embodied.On the index request to electrical network, the qualification rate of voltage, reactive-load compensation are again equipment on a kind of post that must install, at this moment just need a cover current transformer and a voltage transformer (VT) again.Exist and repeat to install, repeated construction increases investment, increases spatial area, complicated defective such as equipment on the post, the inevitable drawback that Here it is does not consider as a whole.
Three, summary of the invention
Goal of the invention of the present utility model provides a kind of work of being finished by 4 kinds of equipment of original needs, now finishes the commercial one meter system multi-usage electric-power metering monitoring device that metering, distribution monitoring, centralized automatic meter-reading and reactive-load compensation are one by a set of equipment.
The technology side that realizes the present utility model purpose is by being solution like this: comprise voltage transformer (VT), the current transformer input end is connected with electrical network, its improvements of the present utility model are also to comprise voltage transformer (VT), the output terminal of current transformer is connected with the input end of electric energy transmitter with the phase identification device respectively, output terminal by the electric energy transmitter is connected with host CPU, the output terminal of phase identification device is connected with the attached middle school central processor, the output terminal of attached middle school's central processor is connected with host CPU, keyboard, display, the power-failure memory storer, serial line interface, the centralized automatic meter-reading device, idle compensating control is connected with host CPU respectively again, and serial line interface is connected with the centralized automatic meter-reading device again.
The utility model compared with prior art, the conventional at present electric-power metering of using, compensation, distribution monitoring mostly are one-piece design, each is responsible for the function of self each monomer, does not have four to be collective's amount, distribution monitoring, centralized automatic meter-reading and the reactive-load compensation multifunctional comprehensive device of one.The innovation of this device just is to have concentrated the work of being finished by 4 kinds of equipment of original needs, finish by a set of equipment, thereby significantly reduced equipment investment, simplified equipment on the post, this device adopts four to be the one comprehensive Design, it is more reasonable than existing product to have the structure of making, and integrated degree is higher, and volume is little, in light weight, succinctly attractive in appearance, cheap, the characteristics of stable performance.A-table-multi-purpose, make equipment operation safe and reliable, transformer detection operation, the line loss that is widely used in electric system is examined, is charged and measure, examine metering, centralized automatic meter-reading and improve the reactive-load compensation of power factor or the multiple demands of applications such as reactive-load compensation of raising rate of qualified voltage.Good society and economic benefit are arranged.
Technical indicator
1. input voltage AC180-240U
2. input current AC0-5A
3. 0.5 grade of voltage measurement precision
4. 0.5 grade of current measurement precision
5. the active energy measuring accuracy is 1 grade
6. the reactive energy measuring accuracy is 2 grades
7. phase measurement accuracy positive and negative 1 is spent
8. service condition: 1. environment temperature-10 ℃---+55 ℃; 2. relative temperature 85%.
Four, description of drawings
Fig. 1 is principle framework figure of the present utility model;
Fig. 2 is the electrical schematic diagram of Fig. 1.
Five, embodiment
Accompanying drawing is a specific embodiment of the utility model
Below in conjunction with accompanying drawing particular content of the present utility model is described further:
With reference to shown in Figure 1, comprise voltage transformer (VT) 1, current transformer 2 input ends are connected with electrical network, also comprise voltage transformer (VT) 1, the output terminal of current transformer 2 is connected with the input end of electric energy transmitter 3 with phase identification device 4 respectively, output terminal by electric energy transmitter 3 is connected with host CPU 6, the output terminal of phase identification device 4 is connected with attached middle school central processor 5, the output terminal of attached middle school's central processor 5 is connected with host CPU 6, keyboard 7, display 8, power-failure memory storer 9, serial line interface 10, centralized automatic meter-reading device 11, idle compensating control 12 is connected with host CPU 6 respectively again, and serial line interface 10 is connected with centralized automatic meter-reading device 11 again.
In sum, signals such as the voltage of being gathered from electrical network by voltage transformer (VT) 1, current transformer 2, electric current, phase differential are given electric energy transmitter 3 and phase identification device 4 respectively.Electric energy transmitter 3 is transformed into voltage effective value, current effective value, active power, reactive power, active energy, reactive energy with voltage, current signal and gives central processing unit 6 after digital instrument is handled.Phase identification device 4 is given attached middle school's central processor 5 after treatment with the phase signal of inductance, electric current.After attached middle school's central processor 5 is handled phase signal, digital instrument, give host CPU 6, host CPU 6 will go to control work such as display 8, serial line interface 10, reactive-load compensation 12 after will gathering signal Processing such as voltage, electric current, meritorious, idle, phase differential.
Claims (4)
1, a kind of commercial one meter system multi-usage electric-power metering monitoring device, comprise voltage transformer (VT) (1), current transformer (2) input end is connected with electrical network, it is held to levy and is also to comprise voltage transformer (VT) (1), the output terminal of current transformer (2) is connected with the input end of electric energy transmitter (3) with phase identification device (4) respectively, output terminal by electric energy transmitter (3) is connected with host CPU (6), the output terminal of phase identification device is connected with attached middle school's central processor (5), the output terminal of attached middle school's central processor (5) is connected with host CPU (6), keyboard (7), display (8), power-failure memory storer (9), serial line interface (10), centralized automatic meter-reading device (11), idle compensating control (12) is connected with host CPU (6) respectively again, and serial line interface (10) is connected with centralized automatic meter-reading device (11) again.
2, commercial one meter system multi-usage electric-power metering monitoring device according to claim 1 is characterized in that said electric energy transmitter is the CS5460A collector.
3, commercial one meter system multi-usage electric-power metering monitoring device according to claim 1 is characterized in that said power-failure memory storer is a flash of light erasing type memory.
4, commercial one meter system multi-usage electric-power metering monitoring device according to claim 1 is characterized in that also connecting in the said attached middle school central processor digital processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262837 CN2655250Y (en) | 2003-09-26 | 2003-09-26 | One meter system multipurpose power metering monitor for commerce |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262837 CN2655250Y (en) | 2003-09-26 | 2003-09-26 | One meter system multipurpose power metering monitor for commerce |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2655250Y true CN2655250Y (en) | 2004-11-10 |
Family
ID=34329447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03262837 Expired - Fee Related CN2655250Y (en) | 2003-09-26 | 2003-09-26 | One meter system multipurpose power metering monitor for commerce |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2655250Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100492027C (en) * | 2006-12-08 | 2009-05-27 | 北京中星微电子有限公司 | Real time collection storage apparatus used for electric energy computation chip |
| CN101626162B (en) * | 2008-07-12 | 2012-05-23 | 湖北盛佳电器设备有限公司 | Electricity management terminal with power factor compensation function |
| CN102565527A (en) * | 2010-12-21 | 2012-07-11 | 英飞凌科技奥地利有限公司 | Power meter arrangement |
| CN103293374A (en) * | 2013-06-04 | 2013-09-11 | 陈永山 | Three-phase access type electric energy meter with electronic transformers and metering method for three phase access type electric energy meter |
-
2003
- 2003-09-26 CN CN 03262837 patent/CN2655250Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100492027C (en) * | 2006-12-08 | 2009-05-27 | 北京中星微电子有限公司 | Real time collection storage apparatus used for electric energy computation chip |
| CN101626162B (en) * | 2008-07-12 | 2012-05-23 | 湖北盛佳电器设备有限公司 | Electricity management terminal with power factor compensation function |
| CN102565527A (en) * | 2010-12-21 | 2012-07-11 | 英飞凌科技奥地利有限公司 | Power meter arrangement |
| CN102565527B (en) * | 2010-12-21 | 2015-11-18 | 英飞凌科技奥地利有限公司 | Power meter arrangement |
| CN103293374A (en) * | 2013-06-04 | 2013-09-11 | 陈永山 | Three-phase access type electric energy meter with electronic transformers and metering method for three phase access type electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |