CN203434637U - Energy storage system - Google Patents

Energy storage system Download PDF

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Publication number
CN203434637U
CN203434637U CN201320535414.5U CN201320535414U CN203434637U CN 203434637 U CN203434637 U CN 203434637U CN 201320535414 U CN201320535414 U CN 201320535414U CN 203434637 U CN203434637 U CN 203434637U
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China
Prior art keywords
switch
energy
power
storage
peak
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CN201320535414.5U
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Chinese (zh)
Inventor
姜斌
谢峰
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SHENZHEN CPM BUILDING EQUIPMENT CO Ltd
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SHENZHEN CPM BUILDING EQUIPMENT CO Ltd
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Abstract

The utility model discloses an energy storage system, which comprises an energy storage device, an electrical load and a ''valley electricity used at peak electricity period'' controller. An input end of the energy storage device is electrically connected with the commercial power through a charging switch, an output end is electrically connected with the electrical load through a power storage and supply switch, and the electrical load is electrically connected with the commercial power through a commercial power supply switch. The ''valley electricity used at peak electricity period'' controller is used for controlling the charging switch to switch on and the power storage and supply switch to switch off during the valley-electricity period for charging the energy storage device, and controlling the commercial power supply switch to switch on for providing commercial power to the electrical load; and during the peak-electricity period, the ''valley electricity used at peak electricity period'' controller is used for controlling the charging switch to switch off so as to stop charging the energy storage device, controlling the power storage and supply switch to switch on for discharging to the electrical load, namely, supplying the electrical energy of the energy storage device to the electrical load, and controlling the commercial power supply switch to switch off so as to stop supplying the commercial power to the electrical load. In this way, the purpose of using valley electricity at peak electricity period is achieved, the low-price electric energy at the valley-electricity period is fully utilized, the utilization of high-price electric energy at the peak-electricity period is avoided, and the cost of the electric usage is reduced.

Description

Energy-storage system
Technical field
The utility model relates to energy-storage system technical field, especially relate to a kind of can paddy the energy-storage system used of electricity peak.
Background technology
Existing energy-storage system, comprises an energy storage equipment and power load, and when energy storage equipment electric energy is not enough or reach default charge threshold, no matter civil power, in paddy electricity or peak electricity period, starts to utilize civil power to charge without exception automatically.Energy storage equipment, as stand-by power supply, only has when civil power power-off, and energy storage equipment just can be from trend power load supply electric energy; In the peak electricity period, when civil power electricity price is higher, energy storage equipment can not, from the power supply of trend power load, can only carry out manual operation.Thereby cause paddy electricity period and peak electricity period to use city's electric weight as many, even sometimes use city's electric weight of peak electricity period more, cause the high enterprise of electric cost.
Utility model content
Main purpose of the present utility model is to provide a kind of energy storage equipment, is intended to realize the object that paddy electricity peak is used, and makes full use of the paddy low price electric energy of electricity period, avoids using the peak high price electric energy of electricity period, reduces electric cost.
To achieve these objectives, the utility model proposes a kind of energy-storage system, comprise paddy electricity controller, energy storage equipment and power load for peak, described energy storage equipment input by charge switch be electrically connected to civil power, output is electrically connected to described power load by electric power storage power switch, described power load is electrically connected to civil power by mains-supplied switch, described paddy electricity peak is used for controller: in the paddy electricity period, control closed, the described electric power storage power switch of described charge switch and mains-supplied switch and disconnect; In the peak electricity period, control described charge switch and the disconnection of mains-supplied switch, described electric power storage power switch closure.
Preferably, described paddy electricity peak comprises single-chip microcomputer and the detection module, clock module and the output control module that are electrically connected to described single-chip microcomputer respectively with controller, described single-chip microcomputer is current in paddy electricity, ordinary telegram or peak electricity period by described clock module judgement, and described single-chip microcomputer is controlled the switching of described charge switch, mains-supplied switch and electric power storage power switch by described output control module.
Preferably, described detection module comprises for detection of the civil power detecting unit of city's electrical quantity with for detection of the energy storage equipment detecting unit of energy storage equipment parameter.
Preferably, described clock module comprises real-time clock unit and automatic correcting time unit.
Preferably, described paddy electricity peak also comprises data acquisition module and the human-computer interaction interface being electrically connected to described single-chip microcomputer respectively with controller, and described data acquisition module is used for gathering electricity consumption data, and described human-computer interaction interface is used for showing described electricity consumption data.
Preferably, described paddy electricity peak also comprises the smart machine interface for external smart machine with controller.
Preferably, when described single-chip microcomputer detects described civil power power-off by described detection module, by described output control module, control described electric power storage power switch closed.
Preferably, described energy storage equipment comprises charging module, energy storage module and inverter, the input that the input of described charging module is described energy storage equipment, the output that the output of described inverter is described energy storage equipment.
A kind of energy-storage system provided by the utility model, by setting up a paddy electricity peak controller, in the electric period of paddy, control charge switch closure, the disconnection of electric power storage power switch with to energy storage equipment charging, control mains-supplied switch closure to supply civil power to power load simultaneously; In the peak electricity period, controlling charge switch disconnects stopping charging to energy storage equipment, control electric power storage power switch closure with to power load electric discharge, to the electric energy of power load supply energy storage equipment, control mains-supplied switch simultaneously and disconnect stopping to power load supply civil power.Thereby reach the object that paddy electricity peak is used, make full use of the paddy low price electric energy of electricity period, avoid using the peak high price electric energy of electricity period, reduced electric cost.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of energy-storage system one embodiment of the present utility model;
Fig. 2 is the structured flowchart that controller is used at the paddy electricity peak in Fig. 1.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to Fig. 1, Fig. 2, energy-storage system one embodiment of the present utility model is proposed, the electric loop that described energy-storage system is connected to form by each electronic devices and components forms, comprise energy storage equipment 100, paddy electricity peak controller 400 and power load 200, energy storage equipment 100 inputs by charge switch 500 be electrically connected to civil power 300, output is electrically connected to power load 200 by electric power storage power switch 700, power load 200 is passed through mains-supplied switch 600 and is electrically connected to civil power 300.Energy storage equipment 100 comprises charging module 110, energy storage module 120 and inverter 130, charging module 110 is to energy storage module 120 chargings, energy storage module 120 discharges by inverter 130, the input of charging module 110 is the input of energy storage equipment 100, and the output of inverter 130 is the output of energy storage equipment 100.
The switching of charge switch 500, mains-supplied switch 600 and electric power storage power switch 700 is controlled at paddy electricity peak with controller 400, in the paddy electricity period, control charge switch 500 closures, 700 disconnections of electric power storage power switch to charge to energy storage equipment 100, control mains-supplied switch 600 closures to supply civil powers to power load 200 simultaneously, thereby can make full use of the electric energy of period at a low price; In the peak electricity period, controlling charge switch 500 disconnects stopping to energy storage equipment 100 chargings, control electric power storage power switch 700 closures to discharge to power load 200, to power load 200, supply the electric energy of energy storage equipments 100, control mains-supplied switch 600 disconnects stopping to power load 200 supply civil powers simultaneously, thereby can avoid peak times of power consumption and use high price civil power, reduce electric cost; When civil power 300 power-off, control electric power storage power switch 700 closures with to power load 200 emergency services, avoid power failure to cause damage.In the peak electricity period in the process of the electric energy of power load 200 supply energy storage equipments 100, when when paddy electricity peak detects energy storage equipment 100 electric discharges with controller 400 after, remaining electric energy reaches predetermined value, control mains-supplied switch 600 closures to supply civil powers 300 to power load 200, control electric power storage power switch 700 disconnects simultaneously, control energy storage equipment 100 and stop electric discharge, standby to leave part electric energy, when civil power 300 power-off, do emergency service and use.
Concrete, paddy electricity peak comprises single-chip microcomputer 410 with controller 400, and the detection module 430, clock module 420, output control module 440, data acquisition module 470 and the human-computer interaction interface 450 that are electrically connected to this single-chip microcomputer 410 respectively.
Detection module 430 comprises for detection of the civil power detecting unit 431 of civil power 300 parameters with for detection of the energy storage equipment detecting unit 432 of energy storage equipment 100 parameters, detection module 430 sends to single-chip microcomputer 410 by above-mentioned city electrical quantity and energy storage equipment parameter, single-chip microcomputer 410 judges the state of civil power 300 and energy storage equipment 100 accordingly, as electric energy residual capacity of whether power-off of civil power 300, energy storage equipment 100 etc.
Clock module 420 comprises real-time clock unit 421 and automatic correcting time unit 422, by automatic correcting time, communication interface setting, combine during with artificial school, guarantee, keep the accuracy of clock, the clock accumulated error that the clock accuracy that elimination institute use components and parts difference causes and device long-time running exist, judges the logical 410 oversampling clock modules 420 of monolithic function current in the electric period of paddy electricity, ordinary telegram or peak accurately.
Output control module 440 comprises paddy electricity period output control unit 441, peak electricity period output control unit 442 and standby output control unit 443, in the paddy electricity period, single-chip microcomputer 410 controls charge switch 500 by paddy electricity period output control unit 441 and mains-supplied switch 600 closures, electric power storage power switch 700 disconnect; In the peak electricity period, single-chip microcomputer 410 controls charge switch 500 by peak electricity period output control unit 442 and mains-supplied switch 600 disconnects, electric power storage power switch 700 closures; When single-chip microcomputer 410 detects civil power 300 power-off by detection module 430, by standby output control unit 443, control electric power storage power switch 700 closures.
Man-machine interface 450 comprises input keyboard and display module, or is a touch display module.Data acquisition module 470 gathers the electricity consumption data of whole circuit, as data such as electric current, voltage, power consumption, power factor (PF)s, and sends to single-chip microcomputer 410.Single-chip microcomputer 410 is preserved these electricity consumption data and shows to user by man-machine interface 450, for user's monitoring in real time and inquiry.User can also manually control by 450 pairs of energy-storage systems of man-machine interface, or in advance paddy electricity peak is carried out to self-defined setting with controller 400, as arranged, 500 pairs of energy storage equipments of whether closed charge switch of ordinary telegram period 100 charge or closed electric power storage power switch 700 is supplied the electric energy of energy storage equipment 100 to power load.
Paddy electricity peak also has a smart machine interface 460 with controller 400, can external any smart machine, and to realize energy-storage system intelligent management.
Accordingly, energy-storage system of the present utility model, by setting up paddy electricity controller 400 for peak, in the paddy electricity period, control charge switch 500 closures, 700 disconnections of electric power storage power switch with to energy storage equipment 100 chargings, control mains-supplied switch 600 closures to supply civil powers 300 to power load 200 simultaneously; In the peak electricity period, controlling charge switch 500 disconnects stopping to energy storage equipment 100 chargings, control electric power storage power switch 700 closures to discharge to power load 200, to the electric energy of power load 200 supply energy storage equipments 100, control mains-supplied switch 600 simultaneously and disconnect stopping to power load 200 supply civil powers 300.Thereby reach the object that paddy electricity peak is used, make full use of the paddy low price electric energy of electricity period, avoid using the peak high price electric energy of electricity period, reduced electric cost.
By automatic correcting time, communication interface setting, combine during with artificial school, guarantee, keep the accuracy of clock, the clock accumulated error that the clock accuracy that elimination institute use components and parts difference causes and device long-time running exist, makes single-chip microcomputer 410 can judge more accurately by clock module 420 current in paddy electricity, ordinary telegram or peak electricity period.
User can also manually control by 450 pairs of energy-storage systems of man-machine interface, or in advance paddy electricity peak is carried out to self-defined setting with controller 400, as the ordinary telegram period is set whether starts energy storage equipment 100 chargings or start energy storage equipment 100 and power to power load 200.More friendly and hommization.
Should be understood that; these are only preferred embodiment of the present utility model; can not therefore limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (8)

1. an energy-storage system, comprise energy storage equipment and power load, described energy storage equipment input by charge switch be electrically connected to civil power, output is electrically connected to described power load by electric power storage power switch, described power load is electrically connected to civil power by mains-supplied switch, it is characterized in that: also comprise paddy electricity peak controller, its for: in the paddy electricity period, control closed, the described electric power storage power switch of described charge switch and mains-supplied switch and disconnect; In the peak electricity period, control described charge switch and the disconnection of mains-supplied switch, described electric power storage power switch closure.
2. energy-storage system according to claim 1, it is characterized in that: described paddy electricity peak comprises single-chip microcomputer and the detection module, clock module and the output control module that are electrically connected to described single-chip microcomputer respectively with controller, described single-chip microcomputer is current in paddy electricity, ordinary telegram or peak electricity period by described clock module judgement, and described single-chip microcomputer is controlled the switching of described charge switch, mains-supplied switch and electric power storage power switch by described output control module.
3. energy-storage system according to claim 2, is characterized in that: described detection module comprises for detection of the civil power detecting unit of city's electrical quantity with for detection of the energy storage equipment detecting unit of energy storage equipment parameter.
4. energy-storage system according to claim 2, is characterized in that: described clock module comprises real-time clock unit and automatic correcting time unit.
5. energy-storage system according to claim 2, it is characterized in that: described paddy electricity peak also comprises data acquisition module and the human-computer interaction interface being electrically connected to described single-chip microcomputer respectively with controller, described data acquisition module is used for gathering electricity consumption data, and described human-computer interaction interface is used for showing described electricity consumption data.
6. energy-storage system according to claim 2, is characterized in that: described paddy electricity peak also comprises the smart machine interface for external smart machine with controller.
7. energy-storage system according to claim 2, is characterized in that: when described single-chip microcomputer detects described civil power power-off by described detection module, by described output control module, control described electric power storage power switch closed.
8. according to the energy-storage system described in claim 1-7 any one, it is characterized in that: described energy storage equipment comprises charging module, energy storage module and inverter, the input of described charging module is the input of described energy storage equipment, the output that the output of described inverter is described energy storage equipment.
CN201320535414.5U 2013-08-30 2013-08-30 Energy storage system Active CN203434637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320535414.5U CN203434637U (en) 2013-08-30 2013-08-30 Energy storage system

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Application Number Priority Date Filing Date Title
CN201320535414.5U CN203434637U (en) 2013-08-30 2013-08-30 Energy storage system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107612010A (en) * 2017-10-12 2018-01-19 太仓市同维电子有限公司 A kind of energy storage of avoiding the peak hour reduces the method and system of the electricity charge
CN108551170A (en) * 2014-12-31 2018-09-18 仰融 Storage and system and method for the capitalization from peak electricity
CN110768368A (en) * 2019-11-26 2020-02-07 国网电子商务有限公司 Uninterruptible power supply system
CN111435231A (en) * 2019-01-15 2020-07-21 系统电子工业股份有限公司 Intelligent electricity-saving management and control system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108551170A (en) * 2014-12-31 2018-09-18 仰融 Storage and system and method for the capitalization from peak electricity
CN107612010A (en) * 2017-10-12 2018-01-19 太仓市同维电子有限公司 A kind of energy storage of avoiding the peak hour reduces the method and system of the electricity charge
CN111435231A (en) * 2019-01-15 2020-07-21 系统电子工业股份有限公司 Intelligent electricity-saving management and control system and method
CN110768368A (en) * 2019-11-26 2020-02-07 国网电子商务有限公司 Uninterruptible power supply system

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