CN104734329B - The electric power system of electricity consumption monitoring equipment - Google Patents

The electric power system of electricity consumption monitoring equipment Download PDF

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Publication number
CN104734329B
CN104734329B CN201310714799.6A CN201310714799A CN104734329B CN 104734329 B CN104734329 B CN 104734329B CN 201310714799 A CN201310714799 A CN 201310714799A CN 104734329 B CN104734329 B CN 104734329B
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China
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power supply
power
electricity consumption
circuit
stand
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CN201310714799.6A
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CN104734329A (en
Inventor
王罡
邓佳翔
袁昕
刘日亮
邢云
王丽杰
王波
张晓勇
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Permanent Sharp Science And Technology Ltd Co Of Beijing Old Name For Arabian Countries In Middle East
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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Permanent Sharp Science And Technology Ltd Co Of Beijing Old Name For Arabian Countries In Middle East
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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Priority to CN201310714799.6A priority Critical patent/CN104734329B/en
Publication of CN104734329A publication Critical patent/CN104734329A/en
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Abstract

The invention discloses a kind of electric power system of electricity consumption monitoring equipment.The electric power system of the electricity consumption monitoring equipment includes:Primary power cource interface, it is arranged in the electric power system of electricity consumption monitoring equipment, the external power source that the electric power system for being connected as the electricity consumption monitoring equipment is powered;Stand-by power supply, it is arranged in the electric power system of the electricity consumption monitoring equipment, and being connected with electric loading for the electric power system of the electricity consumption monitoring equipment, and is connected with the primary power cource interface;Processor, it is respectively connected with the primary power cource interface and the stand-by power supply, for when detecting that the external power source is stopped power supply, controlling the stand-by power supply to the electricity consumption load supplying of the electric power system of the electricity consumption monitoring equipment.By the present invention, the electric power system for solving the problems, such as electricity consumption monitoring equipment in correlation technique can not normal work in the case of outside power outage.

Description

The electric power system of electricity consumption monitoring equipment
Technical field
The present invention relates to monitoring field, in particular to a kind of electric power system of electricity consumption monitoring equipment.
Background technology
In the electric power system of emphasis user power utilization monitoring device, the working power of monitoring device in itself is by externally fed , but when external power source has a power failure, power supply technique is changed using monitoring device stand-by power supply, can solve can not Monitoring Focus use This working condition of family power outage, and the problem of monitoring device can not work in itself.
Emphasis user power utilization monitoring terminal is used at present, the electricity consumption situation of important electricity consumer can be accurately grasped, to various use Electrical parameter and fault message are gathered in real time, improve the safety and reliability of power supply-distribution system operation, and lifting Service Quality Amount.
Emphasis user power utilization monitoring terminal in use, because with externally fed, when user has a power failure, collection is eventually End is stopped, then on the one hand can not collect this information that has a power failure, another aspect acquisition terminal can not also work this Situation is transmitted back to monitoring center.To solve this problem, spy's research and development monitoring device stand-by power supply conversion power supply technique, solve to occur The problem of.
Current main acquisition terminal mainly uses intelligent electric meter technology, can be with information such as collection voltages, electric currents, but can not do Arrive:Own power supply work.Field external power work can only be relied on, if external power source has a power failure, collecting device can not work Make, " user's power failure " this information can not be monitored.
Can not normal work in the case of outside power outage for the electric power system of electricity consumption monitoring equipment in correlation technique The problem of making, effective solution is not yet proposed at present.
The content of the invention
It is a primary object of the present invention to provide a kind of electric power system of electricity consumption monitoring equipment, to solve electricity consumption monitoring equipment Electric power system in the case of outside power outage can not normal work the problem of.
To achieve these goals, according to an aspect of the invention, there is provided a kind of power supply system of electricity consumption monitoring equipment System.The electric power system of the electricity consumption monitoring equipment includes:Primary power cource interface, it is arranged in the electric power system of electricity consumption monitoring equipment, The external power source that electric power system for being connected as the electricity consumption monitoring equipment is powered;Stand-by power supply, it is arranged on the electricity consumption prison In the electric power system of measurement equipment, and being connected with electric loading for the electric power system of the electricity consumption monitoring equipment, and with the master It is connected with power interface;Processor, it is respectively connected with the primary power cource interface and the stand-by power supply, for detecting When being stopped power supply to the external power source, electricity consumption of the stand-by power supply to the electric power system of the electricity consumption monitoring equipment is controlled to bear Carry power supply;Charging circuit, it is connected between the primary power cource interface and the stand-by power supply, wherein, the processor and institute State charging circuit to be connected, for when detecting the external power source power supply, controlling the charging circuit to pass through the outside Power supply is powered to the stand-by power supply.
Further, the electric power system of the electricity consumption monitoring equipment also includes:
Power observation circuit, be connected with the primary power cource interface, for monitor the external power source power supply whether Normally.
Further, whether the power supply that the power supply observation circuit is additionally operable to detect the external power source reaches default power supply Standard.
Further, the processor and the charging circuit and the power supply observation circuit are respectively connected with, for When detecting that the external power source is powered and the power supply of the external power source reaches the default supply standard, the charging is controlled Circuit is powered by the external power source to the stand-by power supply.
Further, the electric power system of the electricity consumption monitoring equipment also includes:
Charge management circuit, it is connected with the charging circuit, whether the charging for detecting the charging circuit is completed.
Further, the processor is respectively connected with the charge management circuit and the charging circuit, for After the charge management circuit detects the charging complete of the charging circuit, the charging circuit is controlled to stop power supply.
By the present invention, use including with the electric power system of the electricity consumption monitoring equipment of lower part, primary power cource interface, It is arranged in the electric power system of electricity consumption monitoring equipment, the outside that the electric power system for being connected as the electricity consumption monitoring equipment is powered Power supply;Stand-by power supply, it is arranged in the electric power system of the electricity consumption monitoring equipment, the electric power system with the electricity consumption monitoring equipment Be connected with electric loading, and be connected with the primary power cource interface;Processor, with the primary power cource interface and described Stand-by power supply is respectively connected with, for when detecting that the external power source is stopped power supply, controlling the stand-by power supply to described The electricity consumption load supplying of the electric power system of electricity consumption monitoring equipment;Charging circuit, it is connected to the primary power cource interface and described standby With between power supply, wherein, the processor is connected with the charging circuit, for detecting the external power source power supply When, control the charging circuit to be powered by the external power source to the stand-by power supply.Solve electricity consumption in correlation technique to supervise The electric power system of measurement equipment in the case of outside power outage can not normal work the problem of.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the electric power system of electricity consumption monitoring equipment according to a first embodiment of the present invention;And
Fig. 2 is the schematic diagram of the electric power system of electricity consumption monitoring equipment according to a second embodiment of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the schematic diagram of the electric power system of electricity consumption monitoring equipment according to a first embodiment of the present invention.
As shown in figure 1, the electric power system of the electricity consumption monitoring equipment includes:
Primary power cource interface, it is arranged in the electric power system of electricity consumption monitoring equipment, is set for being connected as the electricity consumption monitoring The external power source of standby electric power system power supply.
Stand-by power supply, it is arranged in the electric power system of the electricity consumption monitoring equipment, the power supply with the electricity consumption monitoring equipment System is connected with electric loading, and is connected with the primary power cource interface.
Processor, it is respectively connected with the primary power cource interface and the stand-by power supply, for detecting outside described During portion's power outage, the stand-by power supply is controlled to the electricity consumption load supplying of the electric power system of the electricity consumption monitoring equipment.
Charging circuit, it is connected between the primary power cource interface and the stand-by power supply, wherein, the processor and institute State charging circuit to be connected, for when detecting the external power source power supply, controlling the charging circuit to pass through the outside Power supply is powered to the stand-by power supply.
By the electric power system of the electricity consumption monitoring equipment of first embodiment of the invention, use including with the use of lower part The electric power system of pyroelectric monitor equipment, primary power cource interface, it is arranged in the electric power system of electricity consumption monitoring equipment, for being connected as State the external power source of the electric power system power supply of electricity consumption monitoring equipment;Stand-by power supply, it is arranged on the power supply of the electricity consumption monitoring equipment In system, and being connected with electric loading for the electric power system of the electricity consumption monitoring equipment, and with the primary power cource interface phase Connection;Processor, it is respectively connected with the primary power cource interface and the stand-by power supply, for detecting the external electrical When source is stopped power supply, the stand-by power supply is controlled to the electricity consumption load supplying of the electric power system of the electricity consumption monitoring equipment;Charging Circuit, it is connected between the primary power cource interface and the stand-by power supply, wherein, the processor and the charging circuit phase Connection, for when detecting external power source power supply, controlling the charging circuit by the external power source to described standby Powered with power supply.The electric power system for solving electricity consumption monitoring equipment in correlation technique can not be just in the case of outside power outage Often the problem of work.
In one embodiment of the invention, the electric power system of the electricity consumption monitoring equipment also includes:
Power observation circuit, be connected with the primary power cource interface, for monitor the external power source power supply whether Normally.
In one embodiment of the invention, the power supply observation circuit, which is additionally operable to detect the power supply of the external power source, is It is no to reach default supply standard.
In one embodiment of the invention, the electric power system of the electricity consumption monitoring equipment also includes:
Charging circuit, it is connected between the primary power cource interface and the stand-by power supply,
Wherein, the processor is respectively connected with the charging circuit and the power supply observation circuit, for detecting When reaching the default supply standard to external power source power supply and the power supply of the external power source, the charging circuit is controlled Powered by the external power source to the stand-by power supply.
In one embodiment of the invention, the electric power system of the electricity consumption monitoring equipment also includes:
Charge management circuit, it is connected with the charging circuit, whether the charging for detecting the charging circuit is completed.
In one embodiment of the invention, the processor is distinguished with the charge management circuit and the charging circuit Be connected, for detect the charging circuit in the charge management circuit charging complete after, control the charging circuit Stop power supply.
The electric power system of the electricity consumption monitoring equipment of the embodiment of the present invention employs stand-by power supply conversion power supply technique.
Monitoring device has stand-by power supply, can be that stand-by power supply charges when external power source is powered, when standby in monitoring device When electric power management circuit monitors that external power source has a power failure, control power supply switches to is powered by back-up source, maintains monitoring device Work.
The electric power system of the electricity consumption monitoring equipment of the embodiment of the present invention employs stand-by power supply conversion power supply technique principle such as Under:
The cardinal principle of monitoring device stand-by power supply conversion power supply technique is design back-up source management circuit, to monitor mesh Qian Na roads power supply has electricity, and when external power source has a power failure, switching back-up source work, when external power source has electricity, Switching power is outer Portion's power supply power supply, while charged for back-up source.
Back-up source manages circuit monitoring external power source signal, when meeting logical criteria(External power source normal power supply When), circuit work commander in control section switches to external power, while commands live part circuit to work, and back-up source is carried out Charging, management circuit commander's live part circuit is stopped after back-up source is fully charged, and back-up source stops charging.
Monitoring device stand-by power supply conversion power supply technique is broadly divided into:Manage circuit, control section circuit, live part electricity Several major part compositions such as road, back-up source.
Monitoring device stand-by power supply changes the purposes of power supply technique
Monitoring device stand-by power supply is changed power supply technique and designed specially for emphasis user monitoring terminal, and its application can apparent weight Put the scope of application of user's monitoring terminal and determine.
By the electric power system of the electricity consumption monitoring equipment of the embodiment of the present invention, realize:
Automatic monitoring power supply status;
Auto switching electric source;
Automatic charging charges in stopping;
Isolate switching circuit, reliability is high, prevents external power source from being interfered with each other with back-up source;
Supersaturated charge protection, prevent back-up source too charges from causing the unstable of battery, and produce potential safety hazard;
Monitoring device stand-by power supply changes the primary structure of power supply technique:
Monitoring device stand-by power supply conversion power supply technique is broadly divided into:Manage circuit, control section circuit, live part electricity Several major part compositions such as road, back-up source.
Management circuit is the core of whole technology, and major function switches electricity to judge and commanding control circuit to work Source, judge to command charging circuit work charging.
Control section circuit is execution circuit, according to the command condition of management circuit, performs Switching power, has isolation two The function of road power supply.
Live part circuit is execution circuit, according to the command condition of management circuit, back-up source is charged and stopped Only charge.
Back-up source part can provide the electric energy needed for whole device work, can be charged repeatedly.
By the electric power system of the electricity consumption monitoring equipment of the embodiment of the present invention, emphasis user's monitoring device standby electricity is employed Source automatic switchover technology;Realize emphasis user's monitoring device power supply automatic switching function, emphasis user's monitoring device standby electricity Source automatic charging function, emphasis user's monitoring device back-up source is full of charge function is automatically stopped, and dual power supply work, technology can Lean on, stable performance;Power down mode can not be gathered by avoiding the occurrence of;Avoid the occurrence of the situation that power-off device can not work;Isolation and mistake Voltage protection circuit, reliability is high, and security is reliable;Monitoring device stand-by power supply changes power supply technique in city office emphasis user Applied in power consumption monitoring terminal, it was demonstrated that practical application is feasible, has reached the original intention of deisgn product.Actual motion effect is specific such as Under:Realize the collection to power down mode;Realize dual power supply handoff functionality;Realize the conversion power supply of monitoring device stand-by power supply Function;Realize automatic charging and full of stopping function;Securely and reliably, not to being impacted with electric line, bring safety hidden Suffer from.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (1)

  1. A kind of 1. electric power system of electricity consumption monitoring equipment, it is characterised in that including:
    Primary power cource interface, it is arranged in the electric power system of electricity consumption monitoring equipment, for being connected as the electricity consumption monitoring equipment The external power source of electric power system power supply;
    Stand-by power supply, it is arranged in the electric power system of the electricity consumption monitoring equipment, the electric power system with the electricity consumption monitoring equipment Be connected with electric loading, and be connected with the primary power cource interface, the application of the stand-by power supply is according to emphasis The scope of application of user's monitoring terminal determines;
    Processor, it is respectively connected with the primary power cource interface and the stand-by power supply, for detecting the external electrical When source is stopped power supply, the stand-by power supply is controlled to the electricity consumption load supplying of the electric power system of the electricity consumption monitoring equipment;And
    Charging circuit, it is connected between the primary power cource interface and the stand-by power supply, wherein, the processor fills with described Circuit is connected, for when detecting the external power source power supply, controlling the charging circuit to pass through the external power source Powered to the stand-by power supply;
    Power supply observation circuit, is connected, whether the power supply for monitoring the external power source is normal with the primary power cource interface;
    Whether the power supply that the power supply observation circuit is additionally operable to detect the external power source reaches default supply standard,
    The electric power system of the electricity consumption monitoring equipment also includes back-up source management circuit, and the back-up source manages circuit monitoring External power source signal, when meeting logical criteria, circuit work commander in control section switches to external power, while commands charging part Parallel circuit is worked, and the stand-by power supply is charged, management circuit commander's live part after the stand-by power supply is fully charged Circuit is stopped, and the stand-by power supply stops charging;
    The processor is respectively connected with the charging circuit and the power supply observation circuit, for detecting the outside When power supply is powered and the power supply of the external power source reaches the default supply standard, the charging circuit is controlled to pass through described outer Portion's power supply is powered to the stand-by power supply;
    Also include:Charge management circuit, it is connected with the charging circuit, whether the charging for detecting the charging circuit is complete Into;
    The processor is respectively connected with the charge management circuit and the charging circuit, in Charge Management electricity After road detects the charging complete of the charging circuit, the charging circuit is controlled to stop power supply.
CN201310714799.6A 2013-12-20 2013-12-20 The electric power system of electricity consumption monitoring equipment Active CN104734329B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105281424A (en) * 2015-11-11 2016-01-27 国网山东省电力公司烟台供电公司 Collection terminal power assisting device
CN106157594A (en) * 2016-08-12 2016-11-23 北京溢美四方软件技术有限公司 The intelligent electric meter communication unit of a kind of built-in stand-by power supply and control method

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4827151A (en) * 1987-02-20 1989-05-02 Kabushiki Kaisha Toshiba Uninterruptible power supply utilizing a synchronized chopper for power factor improvement
CN101776240A (en) * 2010-01-11 2010-07-14 梅志国 System and method for emergency lighting
CN102195337A (en) * 2010-03-16 2011-09-21 福建联合动力机电科技有限公司 Intelligent continuous power supply system
CN102510609A (en) * 2011-10-21 2012-06-20 宁顺卫 System and method with common and emergency LED (light emitting diode) intelligent illumination
CN203312887U (en) * 2013-07-01 2013-11-27 中国移动通信集团河南有限公司 DC emergency power supply

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827151A (en) * 1987-02-20 1989-05-02 Kabushiki Kaisha Toshiba Uninterruptible power supply utilizing a synchronized chopper for power factor improvement
CN101776240A (en) * 2010-01-11 2010-07-14 梅志国 System and method for emergency lighting
CN102195337A (en) * 2010-03-16 2011-09-21 福建联合动力机电科技有限公司 Intelligent continuous power supply system
CN102510609A (en) * 2011-10-21 2012-06-20 宁顺卫 System and method with common and emergency LED (light emitting diode) intelligent illumination
CN203312887U (en) * 2013-07-01 2013-11-27 中国移动通信集团河南有限公司 DC emergency power supply

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