CN102222974B - Far-end and local sampling control circuit for power supply - Google Patents

Far-end and local sampling control circuit for power supply Download PDF

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Publication number
CN102222974B
CN102222974B CN2011101606320A CN201110160632A CN102222974B CN 102222974 B CN102222974 B CN 102222974B CN 2011101606320 A CN2011101606320 A CN 2011101606320A CN 201110160632 A CN201110160632 A CN 201110160632A CN 102222974 B CN102222974 B CN 102222974B
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far
resistance
voltage
electronic circuit
sampling
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CN102222974A (en
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熊永波
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Beijing Machinery Equipment Research Institute
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Beijing Machinery Equipment Research Institute
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/248—UPS systems or standby or emergency generators

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  • Control Of Voltage And Current In General (AREA)
  • Dc-Dc Converters (AREA)

Abstract

The invention discloses a far-end and local sampling control circuit for a power supply. The circuit comprises a given subcircuit (1) and a voltage regulation subcircuit (2), and also comprises a local/far-end automatic sampling subcircuit (3), wherein the local/far-end automatic sampling subcircuit (3) comprises eight resistances (R1-R8), a resistance potentiometer RP1, a stabilivolt Z1 and a stabilivolt Z2 which are connected by a printed wiring, the local/far-end automatic sampling subcircuit (3) provides a feedback signal to the voltage regulation subcircuit (2), the given subcircuit (1) provides a voltage reference signal to the voltage regulation subcircuit (2), and the voltage regulation subcircuit (2) is used to control a power supply. According to the invention, the automatic switching between far-end sampling and local sampling can be realized on the basis of a node current principle. By the adoption of the circuit provided by the invention, automatic stepless switching between the far-end sampling and the local sampling can be realized and voltage at a load end can be stabilized within a set voltage range under the circumstance that the far-end sampling is failed and the far-end voltage regulation signal wire is disconnected.

Description

A kind of power supply far-end and local sampling control circuit
Technical field
The present invention relates to a kind of power supply sampling control circuit, particularly a kind of power supply far-end and local sampling control circuit.
Background technology
In the power-supply device power applications, in order to keep load power consumption equipment voltage stabilization, often need to carry out load (far) end controlling of sampling to power-supply device.Many situations are that power supply is far away apart from power consumption equipment, and the far-end sample line is longer, usually occur causing that because sample line opens circuit electric power output voltage is too high or it is undesired to work, and cause power consumption equipment fault even damage.
At present normal adopt power supply far-end/local sample circuit by far-end sample electronic circuit, local sampling electronic circuit, selector switch, form to stator circuit and voltage-regulation electronic circuit, far-end sampling electronic circuit all links to each other with selector switch with local sampling electronic circuit, select access voltage-regulation electronic circuit negative input end by selector switch, connect voltage-regulation electronic circuit positive input terminal to stator circuit.When needs when load is controlled to far-end, selector switch selects far-end sampling electronic circuit to be connected with the voltage-regulation electronic circuit, relies on the voltage-regulation electronic circuit that power supply is controlled, realization far-end load voltage stabilizing; When the far-end sample line disconnects when maybe needing this ground voltage controlled, selector switch selects local sampling electronic circuit to be connected with the voltage-regulation electronic circuit, relies on the voltage-regulation electronic circuit that power supply is controlled, the voltage stabilizing of realization local side.Sort circuit needs the operator manually to select, and can not automatically change, and disconnects moment in the far-end sample line and still has the situation that causes the power consumption equipment cisco unity malfunction.
Summary of the invention
The object of the present invention is to provide a kind of power supply far-end to sample and local sampling control circuit, solve the problem that present far-end sampling and local sampling need to be selected manually.
The sampling of a kind of power supply far-end and local sampling control circuit comprise: to stator circuit, voltage-regulation electronic circuit, also comprise: this locality/far-end electronic circuit of automatically sampling.Wherein, this locality/far-end electronic circuit of automatically sampling, comprising: resistance R 1 ~ resistance R 8, potentiometer RP1, voltage-stabiliser tube Z1, voltage-stabiliser tube Z2, all elements connect by printed conductor.Automatically sample this locality sampling input positive signal LS+ end of electronic circuit of voltage-stabiliser tube Z1 negative electrode and this locality/far-end is connected, and voltage-stabiliser tube Z1 anode is connected with resistance R 1 one ends, and an end of resistance R 1 other end and resistance R 2, resistance R 6, resistance R 7 such as is connected to form at the site; The other end of resistance R 2 is connected with the adjustable side with the end of potentiometer RP1, the other end ground connection of resistance R 6, and automatically the sample far-end sampling input positive signal MS+ end of electronic circuit of the other end of resistance R 7 and this locality/far-end is connected; The potentiometer RP1 other end is connected with an end of resistance R 3, resistance R 4, the other end ground connection of resistance R 3, and automatically the sample output signal Vf end of electronic circuit of the other end of resistance R 4 and this locality/far-end is connected; One end common ground of resistance R 5, resistance R 8, the other end of resistance R 5 is connected with the negative electrode of voltage-stabiliser tube Z2, the other end of resistance R 8 and this locality/far-end far-end sampling input negative signal MS-end ground connection of electronic circuit of automatically sampling; The anode of voltage-stabiliser tube Z2 and this locality/far-end this locality sampling input negative signal LS-end ground connection of electronic circuit of automatically sampling.
This locality/far-end automatically sample electronic circuit input LS+, LS-respectively, cathode conductor anodal with local sampled signal be connected, this locality/far-end automatically sample electronic circuit input MS+, MS-respectively, cathode conductor anodal with the far-end sampled signal be connected, this locality/far-end electronic circuit output Vf that automatically samples is connected with voltage-regulation electronic circuit input Vf printed board wire; Be connected for stator circuit output Vr with voltage-regulation electronic circuit input Vin printed board wire; Voltage-regulation electronic circuit output Vref is connected with voltage regulation of electric power sources control signal end printed board wire.
This locality/far-end electronic circuit of automatically sampling is sampled to the power supply remote signaling through the loop that internal resistance R7, resistance R 2, potentiometer RP1, resistance R 3, resistance R 8 form during normal operation, the sampled signal Vf of power supply far-end is sent to the Vf input of voltage-regulation electronic circuit, the voltage-regulation electronic circuit is adjusted electric power output voltage according to the sampled signal Vf of power supply far-end with giving stator circuit output signal Vr, realizes the power supply far-end is carried out voltage stabilizing.When the situation of far-end sample line disconnection occurring, this locality/far-end is sampled electronic circuit automatically according to the node current principle, by the loop that resistance R 1, resistance R 2, potentiometer RP1, resistance R 3, resistance R 5 form the power supply local signal is sampled automatically, and carry out line drop compensation by voltage-stabiliser tube Z1, voltage-stabiliser tube Z2, realize with power supply far-end voltage control within the required range through the voltage-regulation electronic circuit.
The present invention adopts common circuit and device, has the advantages that circuit is simple and easy, reliability is high, realizes far-end sampling and the conversion of local sampling automatic stepless, under the failure condition that the far-end sample line disconnects, load terminal voltage is stabilized in the voltage range of setting.This circuit is applicable to most of power control circuits, improves the voltage stability of load equipment.
Description of drawings
A kind of power supply far-end of Fig. 1 and local side sampling control circuit theory diagram;
This locality/the far-end of a kind of power supply far-end of Fig. 2 and the local side sampling control circuit electronic circuit figure that automatically samples.
1. give stator circuit 2. voltage-regulation electronic circuits 3. this locality/far-end electronic circuit of automatically sampling
Embodiment
The sampling of a kind of power supply far-end and local sampling control circuit comprise: far-end pressure regulation/inside also comprises to stator circuit 1, voltage-regulation electronic circuit 2: this locality/far-end electronic circuit 3 of automatically sampling.Wherein, this locality/far-end electronic circuit 3 of automatically sampling comprises: resistance R 1 ~ resistance R 8, potentiometer RP1, voltage-stabiliser tube Z1, voltage-stabiliser tube Z2, and all elements connect by printed conductor; Automatically sample this locality sampling input positive signal LS+ end of electronic circuit 3 of voltage-stabiliser tube Z1 negative electrode and this locality/far-end is connected, and voltage-stabiliser tube Z1 anode is connected with resistance R 1 one ends, and an end of resistance R 1 other end and resistance R 2, resistance R 6, resistance R 7 such as is connected to form at the site; The other end of resistance R 2 is connected with the adjustable side with the end of potentiometer RP1, the other end ground connection of resistance R 6, and automatically the sample far-end sampling input positive signal MS+ end of electronic circuit 3 of the other end of resistance R 7 and this locality/far-end is connected; The potentiometer RP1 other end is connected with an end of resistance R 3, resistance R 4, the other end ground connection of resistance R 3, and automatically the sample output signal Vf end of electronic circuit 3 of the other end of resistance R 4 and this locality/far-end is connected; One end common ground of resistance R 5, resistance R 8, the other end of resistance R 5 is connected with the negative electrode of voltage-stabiliser tube Z2, the other end of resistance R 8 and this locality/far-end far-end sampling input negative signal MS-end ground connection of electronic circuit 3 of automatically sampling; The anode of voltage-stabiliser tube Z2 and this locality/far-end this locality sampling input negative signal LS-end ground connection of electronic circuit 3 of automatically sampling.
Adopt benchmark dividing potential drop mode for stator circuit 1.Voltage-regulation electronic circuit 2 adopts conventional PI control device mode.This locality/far-end automatically sample electronic circuit 3 input LS+, LS-respectively, cathode conductor anodal with local sampled signal be connected, this locality/far-end automatically sample electronic circuit 3 input MS+, MS-respectively, cathode conductor anodal with the far-end sampled signal be connected, this locality/far-end electronic circuit 3 output Vf that automatically sample are connected with voltage-regulation electronic circuit 2 input Vf printed board wires; Be connected for stator circuit 1 output Vr with voltage-regulation electronic circuit 2 input Vin printed board wires; Voltage-regulation electronic circuit 2 output Vref are connected with voltage regulation of electric power sources control signal end printed board wire.
Automatically sample electronic circuit 3 of this locality/far-end is sampled to the power supply remote signaling through the loop that internal resistance R7, resistance R 2, potentiometer RP1, resistance R 3, resistance R 8 form during normal operation, the sampled signal Vf of power supply far-end is sent to the Vf input of voltage-regulation electronic circuit 2, voltage-regulation electronic circuit 2 is adjusted electric power output voltage according to the sampled signal Vf of power supply far-end with giving stator circuit 1 output signal Vr, realizes the power supply far-end is carried out voltage stabilizing.When the situation of far-end sample line disconnection occurring, this locality/far-end is sampled electronic circuit 3 automatically according to the node current principle, by the loop that resistance R 1, resistance R 2, potentiometer RP1, resistance R 3, resistance R 5 form the power supply local signal is sampled automatically, and carry out line drop compensation by voltage-stabiliser tube Z1, voltage-stabiliser tube Z2, realize with power supply far-end voltage control within the required range through voltage-regulation electronic circuit 2.

Claims (1)

1. power supply far-end sampling and local sampling control circuit, comprising: far-end pressure regulation/inside characterized by further comprising to stator circuit (1), voltage-regulation electronic circuit (2): this locality/far-end electronic circuit (3) of automatically sampling; Wherein, this locality/far-end electronic circuit (3) of automatically sampling comprising: resistance R 1 ~ resistance R 8, potentiometer RP1, voltage-stabiliser tube Z1, voltage-stabiliser tube Z2, and the equal printed conductor of all elements connects; Automatically sample this locality sampling input positive signal LS+ end of electronic circuit (3) of voltage-stabiliser tube Z1 negative electrode and this locality/far-end is connected, and voltage-stabiliser tube Z1 anode is connected with resistance R 1 one ends, and an end of resistance R 1 other end and resistance R 2, resistance R 6, resistance R 7 such as is connected to form at the site; The other end of resistance R 2 is connected with the adjustable side with the end of potentiometer RP1, the other end ground connection of resistance R 6, and automatically the sample far-end sampling input positive signal MS+ end of electronic circuit (3) of the other end of resistance R 7 and this locality/far-end is connected; The potentiometer RP1 other end is connected with an end of resistance R 3, resistance R 4, the other end ground connection of resistance R 3, and automatically the sample output signal Vf end of electronic circuit (3) of the other end of resistance R 4 and this locality/far-end is connected; One end common ground of resistance R 5, resistance R 8, the other end of resistance R 5 is connected with the negative electrode of voltage-stabiliser tube Z2, the other end of resistance R 8 and this locality/far-end far-end sampling input negative signal MS-end ground connection of electronic circuit (3) of automatically sampling; The anode of voltage-stabiliser tube Z2 and this locality/far-end this locality sampling input negative signal LS-end ground connection of electronic circuit (3) of automatically sampling;
This locality/far-end automatically sample electronic circuit (3) input LS+, LS-respectively, cathode conductor anodal with local sampled signal be connected, this locality/far-end automatically sample electronic circuit (3) input MS+, MS-respectively, cathode conductor anodal with the far-end sampled signal be connected, this locality/far-end electronic circuit (3) output Vf that automatically samples is connected with voltage-regulation electronic circuit (2) input Vf printed board wire; Be connected for stator circuit (1) output Vr with voltage-regulation electronic circuit (2) input Vin printed board wire; Voltage-regulation electronic circuit (2) output Vref is connected with voltage regulation of electric power sources control signal end printed board wire;
This locality/far-end electronic circuit (3) of automatically sampling is sampled to the power supply remote signaling through the loop that internal resistance R7, resistance R 2, potentiometer RP1, resistance R 3, resistance R 8 form during normal operation, the sampled signal Vf of power supply far-end is sent to the Vf input of voltage-regulation electronic circuit (2), and voltage-regulation electronic circuit (2) is according to the sampled signal Vf of power supply far-end and to stator circuit (1) output signal V rAdjust electric power output voltage, realize the power supply far-end is carried out voltage stabilizing; When the situation of far-end sample line disconnection occurring, this locality/far-end is sampled electronic circuit (3) automatically according to the node current principle, by the loop that resistance R 1, resistance R 2, potentiometer RP1, resistance R 3, resistance R 5 form the power supply local signal is sampled automatically, and carry out line drop compensation by voltage-stabiliser tube Z1, voltage-stabiliser tube Z2, realize with power supply far-end voltage control within the required range through voltage-regulation electronic circuit (2).
CN2011101606320A 2011-06-15 2011-06-15 Far-end and local sampling control circuit for power supply Active CN102222974B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102222974B true CN102222974B (en) 2013-04-24

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CN105373177B (en) * 2014-08-07 2017-09-19 济南芯驰能源科技有限公司 A kind of automatic circuit voltage-drop compensation circuit of airplane ground static variable power source
CN105468069B (en) * 2014-08-21 2019-02-19 上海兆芯集成电路有限公司 Automatic potential drop compensation system, potentiometric controller and circuit automatically configures and wiring method
CN108733117B (en) * 2018-04-28 2019-11-08 北京机械设备研究所 A kind of line drop control device of servo mechanism power supply distal end pressure stabilizing
CN109358693B (en) * 2018-10-31 2020-11-13 北京机械设备研究所 Thermal battery activation power supply and far-end line voltage drop compensation device thereof

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JPH062115U (en) * 1992-06-19 1994-01-14 ヤマハ株式会社 Magnetic detection device
CN201282414Y (en) * 2008-08-25 2009-07-29 深圳市东辰科技有限公司 Farend voltage compensating circuit without sampling line
CN101980096B (en) * 2010-10-13 2012-09-05 北京星网锐捷网络技术有限公司 Power supply compensation method and power supply compensation circuit

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