CN108089046A - Bidirectional measuring data acquisition device under looped network pattern - Google Patents
Bidirectional measuring data acquisition device under looped network pattern Download PDFInfo
- Publication number
- CN108089046A CN108089046A CN201711032577.0A CN201711032577A CN108089046A CN 108089046 A CN108089046 A CN 108089046A CN 201711032577 A CN201711032577 A CN 201711032577A CN 108089046 A CN108089046 A CN 108089046A
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- CN
- China
- Prior art keywords
- data acquisition
- acquisition device
- circuit
- looped network
- device under
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Bidirectional measuring data acquisition device under looped network pattern, including signal pickup assembly, the signal pickup assembly passes sequentially through transmitter, signal conditioner, signal processing apparatus connection remote monitoring microcomputer, and DC power supply circuit is the transmitter, signal conditioner and signal processing apparatus uninterrupted power supply.It is directed to the two-way or multidirectional measurement data acquisition under " handing in hand " powering mode, provides and more accurately supports data.
Description
Technical field
The present invention relates to more particularly to ring network power supply field more particularly to looped network pattern under bidirectional measuring data acquisition fill
It puts.
Background technology
Currently, urban electricity supply is linked to be one generally using ring network power supply pattern by buried cable " handing in hand " etc. modes
The electric power networks of closure.Since mutually point is important high pressure measurement reference point between circuit, pass through electricity in some implementation bar lines
The important node of cable underground retrofit since the model of net cabinet limits and put into actual motion, carries out traditional high voltage electric energy meter
Amount scheme not only can destroy original cabinet but also installation and debugging not finished in the short time, strictly be limited for current power off time
For the power supply enterprise of system, it is undoubtedly extremely difficult to implement transformation.
In addition, using current loop obtain working power when, when work in ring network power supply system it is charged when, power load phase
To higher；But when load is relatively low, current transformer is difficult to obtain sufficient energy from power grid, therefore needs through internal standby electricity
Source provides the regulated power supply of excessive period.How stand-by power supply to be made to organically blend with draw-out power supply, the power supply for improving device can
It is always a difficulties by property.
Common situation is, when looped network branch operates a switch maintenance, due to not reliable supply of electric power, device to be caused to lose
Electricity so that acquisition continuous data loses or disorder, and irremediable heavy losses are brought to marketing maintenance work.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention proposes bidirectional measuring data acquisition device under looped network pattern, it is directed to
Two-way or multidirectional measurement data acquisition under " handing in hand " powering mode, provides and more accurately supports data.
To achieve these goals, the scheme that uses of the present invention is：
Bidirectional measuring data acquisition device under looped network pattern, including signal pickup assembly, the signal pickup assembly is successively
By transmitter, signal conditioner, signal processing apparatus connect remote monitoring microcomputer, DC power supply circuit for the transmitter,
Signal conditioner and signal processing apparatus uninterrupted power supply.
The signal pickup assembly includes voltage transformer and current transformer.
The DC power supply circuit includes：CT draw-out power supplies and solar panel；The CT draw-out power supplies pass through friendship
The direct current regulation circuit that circulates connects self-service switching circuit；The solar panel pass sequentially through DC to DC regulator circuit,
Battery charger connects battery pack, and the battery pack connects the self-service switching circuit, and the self-service switching circuit connection rises
Press voltage-stabilizing output circuit.
The transmitter is digital transmitter.
The number transmitter includes voltage transmitter and current transducer.
The signal processing apparatus includes：Communication interface, the communication interface connect central processing unit, the central processing
Device connects data storage, data display equipment and wireless communication device respectively.
Beneficial effects of the present invention are：
1st, power supply realizes uninterrupted supply, takes energy from current transformer loop all the way, need not be to Current Mutual Inductance
Device carries out insulating Design；Another way is solar energy and lithium battery, ensure that the reliable power supply to device.
2nd, have many advantages, such as to occupy little space, install and debug time is shorter, be particularly suitable for powering mode of " handing in hand "
Complicated metering need, can data more accurately be supported with the work such as ring network power supply line loss, metering offer.
Description of the drawings
Fig. 1 the structural representation of present invention；
The structure diagram of Fig. 2 DC power supplies.
The self-service switching circuits of Fig. 3.
Specific embodiment
In order to be better understood by technical scheme, the invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, bidirectional measuring data acquisition device under looped network pattern, including signal pickup assembly, the signal is adopted
Acquisition means pass sequentially through transmitter, signal conditioner, signal processing apparatus connection remote monitoring microcomputer, and DC power supply circuit is institute
State transmitter, signal conditioner and signal processing apparatus uninterrupted power supply.
The signal pickup assembly includes voltage transformer and current transformer.
As shown in Fig. 2, the DC power supply circuit includes：CT draw-out power supplies and solar panel；The CT takes energy
Power supply turns direct current regulation circuit by exchange and connects self-service switching circuit；The solar panel passes sequentially through DC to DC
Regulator circuit, battery charger connection battery pack, the battery pack connect the self-service switching circuit, the self-service switching electricity
Road connection boosting voltage-stabilizing output circuit.
As shown in figure 3, the circuit structure of the self-service switching circuit is：The exchange turns direct current regulation circuit and is connected by R1
The grid of PMOS tube M1 is connect, the node turned between direct current regulation circuit and resistance R1 that exchanges is grounded by capacitance C2, described
The anode of the source electrode connection battery pack of PMOS tube M1, the cathode ground connection of the battery pack, the grid of the PMOS tube M1 pass through electricity
Hold C1 ground connection, the capacitance C1 is connected in parallel resistance R2, and diode D1, institute are connected between the drain electrode of the PMOS tube M1 and grid
The drain electrode of PMOS tube M1 is stated as voltage output end, ensure that the uninterrupted power supply of circuit.
Diode D1 is breakdown diode, plays the role of overvoltage protection.The effect of capacitance C1, resistance R1 and R2 are filters
Ripple voltage stabilizing ensure that the stability of circuit.
So-called CT draw-out power supplies are：In electric system, the abbreviation of CT, that is, Current Transformer, i.e. Current Mutual Inductance
Device, for measuring the size of alternating current, people are also converted sometimes using its secondary output current, reach electric current induced electricity
The purpose in source, so in many occasions, current-inducing power supply is referred to as CT and takes energy.
The transmitter is digital transmitter.
The number transmitter includes voltage transmitter and current transducer.
The signal processing apparatus includes：Communication interface, the communication interface connect central processing unit, the central processing
Device connects data storage, data display equipment and wireless communication device respectively.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. bidirectional measuring data acquisition device under looped network pattern, which is characterized in that including signal pickup assembly, the signal acquisition
Device passes sequentially through transmitter, signal conditioner, signal processing apparatus connection remote monitoring microcomputer, and DC power supply circuit is described
Transmitter, signal conditioner and signal processing apparatus uninterrupted power supply.
2. bidirectional measuring data acquisition device under looped network pattern according to claim 1, which is characterized in that the signal is adopted
Acquisition means include voltage transformer and current transformer.
3. bidirectional measuring data acquisition device under looped network pattern according to claim 2, which is characterized in that the direct current
Source circuit includes：CT draw-out power supplies and solar panel；The CT draw-out power supplies turn direct current regulation circuit by exchange and connect
It is connected to and helps switching circuit；The solar panel passes sequentially through DC to DC regulator circuit, battery charger connection electricity
Pond group, the battery pack connect the self-service switching circuit, the self-service switching circuit connection boosting voltage-stabilizing output circuit.
4. bidirectional measuring data acquisition device under looped network pattern according to claim 2, which is characterized in that the transmitter
For digital transmitter.
5. bidirectional measuring data acquisition device under looped network pattern according to claim 4, which is characterized in that the digital quantity
Transmitter includes voltage transmitter and current transducer.
6. bidirectional measuring data acquisition device under looped network pattern according to claim 2, which is characterized in that at the signal
Reason device includes：Communication interface, the communication interface connect central processing unit, and the central processing unit connects data storage respectively
Device, data display equipment and wireless communication device.
7. bidirectional measuring data acquisition device under looped network pattern according to claim 3, which is characterized in that described self-service to cut
The circuit structure for changing circuit is：The exchange turns grid of the direct current regulation circuit by R1 connection PMOS tube M1, and the exchange turns
Node between direct current regulation circuit and resistance R1 is grounded by capacitance C2, and the source electrode connection battery pack of the PMOS tube M1 is just
Pole, the cathode ground connection of the battery pack, the grid of the PMOS tube M1 are grounded by capacitance C1, and the capacitance C1 is connected in parallel electricity
R2 is hindered, diode D1 is connected between the drain electrode of the PMOS tube M1 and grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032577.0A CN108089046A (en) | 2017-10-30 | 2017-10-30 | Bidirectional measuring data acquisition device under looped network pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711032577.0A CN108089046A (en) | 2017-10-30 | 2017-10-30 | Bidirectional measuring data acquisition device under looped network pattern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108089046A true CN108089046A (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711032577.0A Pending CN108089046A (en) | 2017-10-30 | 2017-10-30 | Bidirectional measuring data acquisition device under looped network pattern |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202178607U (en) * | 2011-08-11 | 2012-03-28 | 深圳长城开发科技股份有限公司 | Handheld device and battery and external power source power supply switching circuit thereof |
| CN102539909A (en) * | 2010-12-21 | 2012-07-04 | 珠海威瀚科技发展有限公司 | Electric energy metering module |
| CN103837738A (en) * | 2014-01-29 | 2014-06-04 | 河北工业大学 | Electrical quantity transducer |
| CN204086388U (en) * | 2014-05-08 | 2015-01-07 | 徐伟专 | A kind of variable-frequency electric component analysis instrument based on digital quantity transmission |
| CN204228817U (en) * | 2014-12-11 | 2015-03-25 | 国家电网公司 | Novel looped network cabinet is powered source point measuring apparatus mutually |
-
2017
- 2017-10-30 CN CN201711032577.0A patent/CN108089046A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539909A (en) * | 2010-12-21 | 2012-07-04 | 珠海威瀚科技发展有限公司 | Electric energy metering module |
| CN202178607U (en) * | 2011-08-11 | 2012-03-28 | 深圳长城开发科技股份有限公司 | Handheld device and battery and external power source power supply switching circuit thereof |
| CN103837738A (en) * | 2014-01-29 | 2014-06-04 | 河北工业大学 | Electrical quantity transducer |
| CN204086388U (en) * | 2014-05-08 | 2015-01-07 | 徐伟专 | A kind of variable-frequency electric component analysis instrument based on digital quantity transmission |
| CN204228817U (en) * | 2014-12-11 | 2015-03-25 | 国家电网公司 | Novel looped network cabinet is powered source point measuring apparatus mutually |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |
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| RJ01 | Rejection of invention patent application after publication |