CN213425855U - Power energy-saving protector - Google Patents

Power energy-saving protector Download PDF

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Publication number
CN213425855U
CN213425855U CN202022471386.8U CN202022471386U CN213425855U CN 213425855 U CN213425855 U CN 213425855U CN 202022471386 U CN202022471386 U CN 202022471386U CN 213425855 U CN213425855 U CN 213425855U
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CN
China
Prior art keywords
power
circuit
power switch
output
transformer
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Active
Application number
CN202022471386.8U
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Chinese (zh)
Inventor
李中青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Zhongqing Hengyuan Power Engineering Co ltd
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Guizhou Zhongqing Hengyuan Power Engineering Co ltd
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Priority to CN202022471386.8U priority Critical patent/CN213425855U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses an electric power energy-saving protector, mains supply connects gradually overload protection circuit, power processing circuit, power monitor, controller and power switch's input A, the control end of power monitor and power switch is connected respectively to the controller, power switch's output A connects gradually storage battery, dc-to-ac converter, transformer through reverse charging circuit, the transformer is connected to power switch's input B, power switch's output B passes through power factor adjusting circuit and connects output. The utility model discloses can change power supply line and tactics according to the commercial power condition, surpass overload protection circuit when commercial power supply current or voltage parameter and set for the threshold value, cut off the commercial power supply, protect subsequent circuit. And the power factor adjusting circuit can change the phases of voltage and current according to the condition of the load, reduce the consumption of idle work and save electric energy.

Description

Power energy-saving protector
Technical Field
The utility model relates to an electric power distribution technical field, in particular to energy-conserving protector of electric power.
Background
At present, an overload switch is mostly adopted in power supply for circuit protection, but the overload switch only plays a role under the overload condition, current and voltage can fluctuate under the overload condition in practice to influence the normal operation of power supply, and along with the change of load, the impedance, capacitive reactance and the like of a circuit are also continuously changed, so that a single power supply strategy easily causes the excessive loss of idle work, and the energy waste is caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an electric power energy-saving protector, can change the power supply strategy automatically, play protection circuit and energy-conserving purpose.
The technical scheme of the utility model is that:
the utility model provides an energy-conserving protector of electric power, includes overload protection circuit, power processing circuit, power monitor, controller, power switch, storage battery, dc-to-ac converter and transformer, and mains supply connects gradually overload protection circuit, power processing circuit, power monitor, controller and power switch's input A, the control end of power monitor and power switch is connected respectively to the controller, storage battery, dc-to-ac converter, transformer are connected gradually through reverse charging circuit to power switch's output A, the transformer is connected to power switch's input B, power switch's output B passes through power factor adjustment circuit and connects output power.
Further, the power supply processing circuit comprises a filter circuit and a bridge rectifier circuit.
Further, the power supply monitor comprises a current transformer and a voltage processor.
Further, the controller adopts a PLC singlechip or a microprocessor.
Further, the input voltage of the battery pack is 36V.
The utility model discloses an useful part lies in:
the utility model discloses the commercial power is handled the back through power supply processing circuit, if the number of differences absolute with standard parameter is undulant in being in first threshold, then input A is direct to be connected the power supply with output B, if the number of differences absolute of power parameter after handling is greater than first threshold and is less than the fluctuation in the second threshold with standard parameter, input A is connected with output A and is charged for storage battery through reverse charging circuit, then again through the contravariant, connect output B and supply power after stepping up, the battery plays the buffer memory, steady voltage, the effect of stationary flow, if be greater than the third threshold and be less than the second threshold, be not applicable to for battery charging this moment, input A is in the state of opening circuit, carry out temporary power supply by the battery, surpass overload protection circuit when commercial power supply current or voltage parameter and set for the threshold, cut off the commercial power supply. And the power factor adjusting circuit can change the phases of voltage and current according to the condition of the load, reduce the consumption of idle work and save electric energy.
Drawings
Fig. 1 is a block diagram illustrating the structure of the present invention.
In the figure: 1-input a, 2-input B, 3-output a, 4-output B.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1:
the utility model provides an energy-conserving protector of electric power, includes overload protection circuit, power processing circuit, power monitor, controller, power switch, storage battery, dc-to-ac converter and transformer, and mains supply connects gradually overload protection circuit, power processing circuit, power monitor, controller and power switch's input A1, the control end of power monitor and power switch is connected respectively to the controller, storage battery, dc-to-ac converter, transformer are connected gradually through reverse charging circuit to power switch's output A3, the transformer is connected to power switch's input B2, power switch's output B4 is through power factor adjustment circuit connection output power.
Specifically, the power supply processing circuit comprises a filter circuit and a bridge rectifier circuit.
Specifically, the power supply monitor comprises a current transformer and a voltage processor, and the current and the voltage of the power supply are used as parameters for monitoring and controlling.
Specifically, the controller adopts a PLC singlechip or a microprocessor.
Specifically, the input voltage of the storage battery pack is 36V, so that the stability of voltage boosting is facilitated.
The working principle is as follows: after the commercial power is processed by the power supply processing circuit, if the absolute number of the difference between the commercial power and the standard parameter is within the first threshold value and fluctuates, the input end A is directly connected with the output end B for supplying power, if the absolute number of the difference between the processed power supply parameter and the standard parameter is greater than the first threshold value and is less than the second threshold value and fluctuates, the input end A is connected with the output end A, the storage battery pack is charged through the reverse charging circuit, then inversion is performed, the output end B is connected after boosting for supplying power, the storage battery plays the roles of caching, voltage stabilization and current stabilization, if the absolute number of the difference between the processed power supply parameter and the standard parameter is greater than the third threshold value and is less than the second threshold value, the storage battery is not suitable for charging, the input end A is in an open circuit state, the. And the power factor adjusting circuit can change the phases of voltage and current according to the condition of the load, reduce the consumption of idle work and save electric energy.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (5)

1. An electric power energy-saving protector is characterized in that: including overload protection circuit, power processing circuit, power monitor, controller, power switch, storage battery, dc-to-ac converter and transformer, mains supply connects gradually overload protection circuit, power processing circuit, power monitor, controller and power switch's input A, the control end of power monitor and power switch is connected respectively to the controller, storage battery, dc-to-ac converter, transformer are connected gradually through reverse charging circuit to power switch's output A, the transformer is connected to power switch's input B, power switch's output B passes through power factor adjustment circuit and connects output power.
2. The power saving protector according to claim 1, wherein: the power supply processing circuit comprises a filter circuit and a bridge rectifier circuit.
3. The power saving protector according to claim 1, wherein: the power supply monitor comprises a current transformer and a voltage processor.
4. The power saving protector according to claim 1, wherein: the controller adopts a PLC singlechip or a microprocessor.
5. The power saving protector according to claim 1, wherein: the input voltage of the storage battery pack is 36V.
CN202022471386.8U 2020-10-31 2020-10-31 Power energy-saving protector Active CN213425855U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022471386.8U CN213425855U (en) 2020-10-31 2020-10-31 Power energy-saving protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022471386.8U CN213425855U (en) 2020-10-31 2020-10-31 Power energy-saving protector

Publications (1)

Publication Number Publication Date
CN213425855U true CN213425855U (en) 2021-06-11

Family

ID=76249903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022471386.8U Active CN213425855U (en) 2020-10-31 2020-10-31 Power energy-saving protector

Country Status (1)

Country Link
CN (1) CN213425855U (en)

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