CN206820477U - A kind of system of synthesis energy saving power supply - Google Patents
A kind of system of synthesis energy saving power supply Download PDFInfo
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- CN206820477U CN206820477U CN201720669187.3U CN201720669187U CN206820477U CN 206820477 U CN206820477 U CN 206820477U CN 201720669187 U CN201720669187 U CN 201720669187U CN 206820477 U CN206820477 U CN 206820477U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model discloses a kind of system of synthesis energy saving power supply, including：Power switching module, control is switched over to load supplying；Photovoltaic generating module, receives the photovoltaic generation electric energy of photovoltaic electrification component, and photovoltaic generation electric energy is converted into direct current powers to the load；Power network conveyor module, when civil power is normal, and when photovoltaic generation power is more than bearing power, receive the dump energy after photovoltaic generating module powers to the load；Battery charging module, when city's electrical anomaly, and when photovoltaic generation power is more than bearing power, receive the dump energy after photovoltaic generating module powers to the load；Battery discharging module, the electric energy for discharging accumulators store are load supplying；Mains-supplied module, civil power electric energy is converted into direct current and powered to the load.The utility model causes economic well-being of workers and staff to maximize, and can save the power supply cost of load to greatest extent.
Description
Technical field
The technical field of power supply control management is the utility model is related to, more particularly, to a kind of power supply of synthesis energy saving
System.
Background technology
With the fast development of electronic communication, various electronic communication equipments and product arise at the historic moment, the production of these electronics
Product or equipment are required for electric energy just to be driven, and communication switching center of the communications equipment room as these communications electronics products,
Irreplaceable effect is played in signal of communication transmittance process.It is to ensure communication equipment to provide continual power supply for communications equipment room
The basic demand of room normal operation.Occur by the way of photovoltaic power supply and mains-supplied matching are combined into communications equipment room power supply.
At present, in order to save the energy, occur photovoltaic generation and the matching of peak load shifting technology in the power supply system for communications
The scheme of conjunction, while ensureing that communications equipment room runs well, realize the purpose of energy-saving and emission-reduction.Due to, people often emphasis
The maximization that concern photovoltaic energy utilizes, and ignore the subsidy policy of country and local government to photovoltaic, it is impossible to make construction light
The customer economy income of volt is maximized.Such as in publication No. CN106602585A patent application, although by photovoltaic with
Power supply is applied in combination in communication power supply, photovoltaic is played efficiency and maximizes, but client does not have the subsidy policy for enjoying country,
It is not reaching to economic interests maximization.
Therefore it provides a kind of system of synthesis energy saving power supply, can either ensure and carry out safe power supply to load, and can enough makes
It is this area urgent problem to be solved to obtain maximum resource utilization and the maximized power supply plan of economic well-being of workers and staff.
Utility model content
In view of this, the system that the utility model provides synthesis energy saving power supply, solving can not provide in the prior art
It can either ensure and safe power supply is carried out to load, enable to maximum resource utilization and the maximized supplier of electricity of economic well-being of workers and staff again
The technical problem of case.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of synthesis energy saving power supply system, with power network and bear
Load is connected, including：Power switching module, photovoltaic generating module, power network conveyor module, battery charging module, battery are put
Electric module and mains-supplied module, wherein；
The power switching module, it is connected respectively with the photovoltaic generating module and the mains-supplied module, is used for
The power supply information of the photovoltaic generating module and the mains-supplied module is received, when the photovoltaic generating module normal power generation
When, supply input is switched to the photovoltaic generating module by the power switching module, when the photovoltaic generating module stops generating electricity
When, supply input is switched to the mains-supplied module by the power switching module；
The photovoltaic generating module, respectively with the power network conveyor module, the battery charging module, it is described load and
The power switching module is connected, for receiving the photovoltaic generation electric energy of photovoltaic electrification component in the photovoltaic generating module, root
The photovoltaic generation electric energy is converted into direct current to the load supplying according to the power supply instruction of the power switching module, and will
The power network conveyor module or the battery charging module are sent to the dump energy after the load supplying；
The power network conveyor module, is connected with the photovoltaic generating module and the power network respectively, for when civil power just
Chang Shi, and when photovoltaic generation power is more than the bearing power, the photovoltaic generating module is received to after the load supplying
Dump energy, and the dump energy is conveyed to the power network；
The battery charging module, it is connected respectively with the photovoltaic generating module and the battery discharging module,
For when city's electrical anomaly, and when the photovoltaic generation power is more than the bearing power, receive the photovoltaic generating module to
Dump energy after the load supplying, and the electric energy of accumulators store is sent to the battery discharging module；
The battery discharging module, it is connected respectively with the battery charging module and the load, for working as
When stating photovoltaic generation power and being less than the bearing power, and when civil power is in peak electricity electric energy, the electricity of the accumulators store is discharged
Can be the load supplying；
The mains-supplied module, it is connected respectively with the load and the power switching module, for when the light
Volt generated output is when being less than the bearing power, and when civil power is in ordinary telegram electric energy, and the mains-supplied module is by civil power electric energy turn
Direct current is changed to the load supplying；When the photovoltaic generating module stops generating electricity, the mains-supplied module, according to described
The power supply instruction of power switching module, direct current is converted to the load supplying by civil power electric energy.
Further, the battery discharging module, including：Photovoltaic generation power detection unit, bearing power detection are single
Member and battery discharging control unit, wherein；
The photovoltaic generation power detection unit, it is single with the photovoltaic generating module and battery discharging control respectively
Member is connected, the effective power sent for monitoring the photovoltaic generating module in real time, the photovoltaic generation mould that will be detected
The effective power data of block are sent to the battery discharging control unit；
The bearing power detection unit, it is connected respectively with the load and the battery discharging control unit, uses
The battery discharging control is sent in the effective power for monitoring the load in real time, and by the effective power data of the load
Unit processed；
The battery discharging control unit, detected respectively with the battery charging module, the photovoltaic generation power
Unit, the bearing power detection unit with it is described load be connected, for receive the photovoltaic generation power detection unit and
The monitoring information of the bearing power detection unit, according to the effective power data of the photovoltaic electrification component and the load
Effective power data, the discharge current of the battery is controlled, the electric energy of the battery received is supplied to the load
Electricity.
Further, the mains-supplied module, it is：
The mains-supplied module, for when the photovoltaic generation power is less than the bearing power, and civil power is in
During ordinary telegram electric energy, civil power electric energy is converted to direct current to the load supplying by the mains-supplied module；When the photovoltaic generation
When module stops generating electricity, instructed according to the power supply of the power switching module, be switched to mains-supplied input, when civil power electricity
It is the load supplying by the battery discharging module, when the civil power electric energy is the ordinary telegram period when can be the peak electricity period
When, civil power electric energy is converted to the load supplying by direct current by the mains-supplied module, when the civil power electric energy is
During the paddy electricity period, civil power electric energy is converted to by direct current by the mains-supplied module while to the load supplying, on one side
Charged to battery.
Further, the battery charging module, it is：
The battery charging module, respectively with the photovoltaic generating module, the battery discharging module and the city
Electric power supply module is connected, and for when city's electrical anomaly, and when the photovoltaic generation power is more than the bearing power, receives institute
Photovoltaic generating module is stated to the dump energy after the load supplying；When the photovoltaic generating module stops generating and the civil power
During in paddy electricity electric energy, the civil power electric energy is converted into direct current while to the load supplying, while to the battery
Charging；The electric energy of the accumulators store is sent to the battery discharging module.
Further, the battery discharging module, further for：
The battery discharging module, it is connected respectively with the battery charging module and the load, for working as
When stating photovoltaic generation power and being less than the bearing power, and when civil power is in peak electricity electric energy, the electricity of the accumulators store is discharged
Can be the load supplying；When the photovoltaic generating module stops generating electricity and the civil power is in peak electricity electric energy, by described
Battery discharging module is the load supplying.
Further, the battery discharging module, including：Battery electric energy monitoring unit and battery electric energy refresh single
Member, wherein；
The battery electric energy monitoring unit, it is connected with the battery electric energy refresh unit, is put every time for recording
The electric energy of the battery, the electric energy of the battery is compared with predefined discharge threshold after electricity circulation, by described in
Battery electric energy monitoring information is sent to the battery electric energy refresh unit；
The battery electric energy refresh unit, charge mould with the battery electric energy monitoring unit, the battery respectively
Block is connected with the load, for when the electric energy of the battery is less than or equal to the predefined discharge threshold, passing through
The battery charging module carries out electric energy refreshing to the battery discharging module；Make a reservation for when the electric energy of the battery is more than
During the discharge threshold of justice, the battery discharging module is the load supplying.
Compared with prior art, the system of synthesis energy saving power supply of the present utility model, realizes following beneficial effect：
(1) system of synthesis energy saving power supply described in the utility model, using photovoltaic generating module and mains-supplied module
The power supply mode being combined, it can either ensure and safe power supply is carried out to load, and can enough utilizes peak load shifting power-supply rectifying module
It is shared so that device resource using maximizing, improve the utilization ratio of resource, at the same reduce the operation of electric power system into
This.
(2) system of synthesis energy saving power supply described in the utility model, is charged using photovoltaic power supply module and peak load shifting
The shared power supply mode of rectification module,, will when photovoltaic generation, which is generated power for their own use, still has dump energy by the regulatory function of system
Dump energy conveys to power network, so that economic well-being of workers and staff maximizes；When photovoltaic generation generates power for their own use underpower, using " peak electricity
Period " battery supplements, " ordinary telegram period " civil power supplement, can save the power supply cost of load to greatest extent.
(3) system of synthesis energy saving power supply described in the utility model, by carrying out electricity monitoring to battery, works as electric power storage
When pond electricity is less than discharge threshold, electricity refreshing is carried out to battery automatically, with the normal operation of more preferable maintenance free cell, when
When photovoltaic generation and abnormal mains-supplied, it can also ensure normal power supply of the battery to load.
Certainly, implement any product of the present utility model must not specific needs reach all the above technology effect simultaneously
Fruit.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 is the structural representation of the system of synthesis energy saving power supply described in the utility model embodiment 1；
Fig. 2 is the structural representation of the system of synthesis energy saving power supply described in the utility model embodiment 2；
Fig. 3 is the structural representation of the system of synthesis energy saving power supply described in the utility model embodiment 3；
Fig. 4 is the schematic diagram of a specific example of the system of synthesis energy saving power supply described in the utility model embodiment 3；
Fig. 5 is the structural representation of the system of synthesis energy saving power supply described in the utility model embodiment 4；
Fig. 6 is the schematic flow sheet of the system of synthesis energy saving power supply described in the utility model embodiment 5.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Embodiment 1
Fig. 1 is the structural representation for the system that synthesis energy saving described in the present embodiment is powered, the system and power network 104 and load
107 are connected, and include simultaneously：Power switching module 101, photovoltaic generating module 102, power network conveyor module 103, battery charging
Module 105, battery discharging module 106 and mains-supplied module 108.
The power switching module 101, respectively with the photovoltaic generating module 102 and the phase of mains-supplied module 108
Connection, for receiving the power supply information of the photovoltaic generating module 102 and the mains-supplied module 108, when the photovoltaic is sent out
During electric 102 normal power generation of module, supply input is switched to the photovoltaic generating module 102 by the power switching module, when described
When photovoltaic generating module 102 stops generating electricity, supply input is switched to the mains-supplied module 108 by the power switching module；
Preferential mode is inputted using photovoltaic generation, the power supply cost of load can be reduced to greatest extent.
The photovoltaic generating module 102, respectively with the power network conveyor module 103, the battery charging module 105,
The load 107 is connected with the power switching module 101, for receiving photovoltaic electrification component in the photovoltaic generating module
Photovoltaic generation electric energy, instructed according to the power supply of the power switching module 101 and the photovoltaic generation electric energy is converted into direct current
To the power supply of load 107, and the power network conveyor module 103 will be sent to the dump energy after the power supply of load 107
Or the battery charging module 105 so that maximum resource utilization and economic well-being of workers and staff maximize.
When photovoltaic generation electric energy caused by photovoltaic generating module meets the electrical energy demands of load, photovoltaic generating module is completed
After the power supply of load, remaining whole electric energy are dump energy.
The power network conveyor module 103, it is connected respectively with the photovoltaic generating module 102 and the power network 104, is used for
When civil power is normal, and photovoltaic generation power be more than it is described load 107 power when, receive the photovoltaic generating module 102 to institute
The dump energy after the power supply of load 107 is stated, and the dump energy is conveyed to the power network 104；To enjoy country and place
Subsidy policy of the government to photovoltaic.
The battery charging module 105, respectively with the photovoltaic generating module 102 and the battery discharging module
106 are connected, and for when city's electrical anomaly, and when the photovoltaic generation power is more than 107 power of the load, receive the light
Electricity generation module 102 is lied prostrate to the dump energy after the power supply of load 107；And the electric energy of accumulators store is sent to the electric power storage
Tank discharge module 106；To meet the electrical energy demands of the battery discharging module 106, the cost for load supplying is reduced.
The battery discharging module 106, it is connected respectively with the battery charging module 105 and the load 107,
For when the photovoltaic generation power is less than 107 power of the load, and when civil power is in peak electricity electric energy, discharge the electric power storage
The electric energy of pond storage is the power supply of load 107；To supplement the deficiency of the photovoltaic generation electric energy.
The mains-supplied module 108, it is connected respectively with the load 107 and the power switching module 101, is used for
When the photovoltaic generation power is less than 107 power of the load, and when civil power be in ordinary telegram electric energy, mains-supplied module general
Civil power electric energy is converted to direct current to the power supply of load 107, to supplement the deficiency of the photovoltaic generation electric energy；When the photovoltaic
When electricity generation module 102 stops generating electricity, the mains-supplied module, instructed according to the power supply of the power switching module 101, by civil power
Electric energy is converted to direct current to the power supply of load 107.
Alternatively, can also include in said system：The self-defined device of power switching, the self-defined device of power switching are cut with power supply
Mold changing block is connected, the setting data for receiving peak electricity electric energy, ordinary telegram electric energy and paddy electricity electric energy replace original peak electricity electric energy,
The setting data of ordinary telegram electric energy and paddy electricity electric energy, it is powered the self-defined setting of switching control.For example, during with daily difference
Between setting data of the section as peak electricity electric energy, ordinary telegram electric energy and paddy electricity electric energy., can by the setting of the self-defined device of power switching
Facilitate user to set the change of data to adjust electric power supply control system in time according to different regions or civil power, avoid user and repair again
Change the cumbersome of systematic parameter.
The power supply mode shared using photovoltaic generating module and mains-supplied module, is sent out than traditional mains-supplied and photovoltaic
The mode of two sets of autonomous power supply system parallel runnings power supplies of electricity power supply, more saves, saves land, saving material, and then reduces power supply system
The operation cost of system.
Embodiment 2
Fig. 2 is the structural representation for the system that synthesis energy saving described in the present embodiment is powered, the system and power network 204 and load
207 are connected, and include simultaneously：Power switching module 201, photovoltaic generating module 202, power network conveyor module 203, battery charging
Module 205, battery discharging module 206 and mains-supplied module 208.
The power switching module 201, respectively with the photovoltaic generating module 202 and the phase of mains-supplied module 208
Connection, for receiving the power supply information of the photovoltaic generating module 202 and the mains-supplied module 208, when the photovoltaic is sent out
During electric 202 normal power generation of module, supply input is switched to the photovoltaic generating module 202 by the power switching module, when described
When photovoltaic generating module 202 stops generating electricity, supply input is switched to the mains-supplied module 208 by the power switching module；
Preferential mode is inputted using photovoltaic generation, the power supply cost of load can be reduced to greatest extent.
The photovoltaic generating module 202, respectively with the power network conveyor module 203, the battery charging module 205,
The load 207 is connected with the power switching module 201, for receiving photovoltaic electrification component in the photovoltaic generating module
Photovoltaic generation electric energy, instructed according to the power supply of the power switching module 201 and the photovoltaic generation electric energy is converted into direct current
To the power supply of load 207, and the power network conveyor module 203 will be sent to the dump energy after the power supply of load 207
Or the battery charging module 205 so that maximum resource utilization and economic well-being of workers and staff maximize.
When photovoltaic generation electric energy caused by photovoltaic generating module meets the electrical energy demands of load, photovoltaic generating module is completed
After the power supply of load, remaining whole electric energy are dump energy.
The power network conveyor module 203, it is connected respectively with the photovoltaic generating module 202 and the power network 204, is used for
When civil power is normal, and photovoltaic generation power be more than it is described load 207 power when, receive the photovoltaic generating module 202 to institute
The dump energy after the power supply of load 207 is stated, and the dump energy is conveyed to the power network 204；To enjoy country and place
Subsidy policy of the government to photovoltaic.
The battery charging module 205, respectively with the photovoltaic generating module 202 and the battery discharging module
206 are connected, and for when city's electrical anomaly, and when the photovoltaic generation power is more than 207 power of the load, receive the light
Electricity generation module 202 is lied prostrate to the dump energy after the power supply of load 207；And the electric energy of accumulators store is sent to the electric power storage
Tank discharge module 206；To meet the electrical energy demands of the battery discharging module 206, the cost for load supplying is reduced.
The battery discharging module 206, it is connected respectively with the battery charging module 205 and the load 207,
For when the photovoltaic generation power is less than 207 power of the load, and when civil power is in peak electricity electric energy, discharge the electric power storage
The electric energy of pond storage is the power supply of load 207；To supplement the deficiency of the photovoltaic generation electric energy.
In some optional embodiments, when the photovoltaic generating module normal work, civil power is in peak electricity electric energy, institute
Battery discharging module 206 is stated, is further comprised：Photovoltaic generation power detection unit 261, the and of bearing power detection unit 262
Battery discharging control unit 263, wherein；
The photovoltaic generation power detection unit 261, respectively with the photovoltaic generating module 202 and the battery discharging
Control unit 263 is connected, the effective power sent for monitoring the photovoltaic generating module in real time, the light that will be detected
The effective power data of volt electricity generation module are sent to the battery discharging control unit 263.
The bearing power detection unit 262, load 207 and the battery discharging control unit 263 with described respectively
It is connected, the storage is sent to for monitoring the effective power of the load in real time, and by the effective power data of the load
Battery discharge control unit 263.
The battery discharging control unit 263, respectively with the battery charging module 205, the photovoltaic generation work(
Rate detection unit 261, the bearing power detection unit 262 are connected with the load 207, for receiving the photovoltaic generation
The monitoring information of power detecting unit and the bearing power detection unit, according to the effective power number of the photovoltaic electrification component
According to the effective power data with the load, the discharge current of the battery is controlled, by the electricity of the battery received
Can be to the power supply of load 207.
The mains-supplied module 208, it is connected respectively with the load 207 and the power switching module 201, is used for
When the photovoltaic generation power is less than 207 power of the load, and when civil power be in ordinary telegram electric energy, mains-supplied module general
Civil power electric energy is converted to direct current to the power supply of load 207, to supplement the deficiency of the photovoltaic generation electric energy；When the photovoltaic
When electricity generation module 202 stops generating electricity, the mains-supplied module, instructed according to the power supply of the power switching module 201, by civil power
Electric energy is converted to direct current to the power supply of load 207.
Embodiment 3
Fig. 3 is the structural representation for the system that synthesis energy saving described in the present embodiment is powered, the system and power network 304 and load
307 are connected, and include simultaneously：Power switching module 301, photovoltaic generating module 302, power network conveyor module 303, battery charging
Module 305, battery discharging module 306 and mains-supplied module 308.
The power switching module 301, respectively with the photovoltaic generating module 302 and the phase of mains-supplied module 308
Connection, for receiving the power supply information of the photovoltaic generating module 302 and the mains-supplied module 308, when the photovoltaic is sent out
During electric 302 normal power generation of module, supply input is switched to the photovoltaic generating module 302 by the power switching module, when described
When photovoltaic generating module 302 stops generating electricity, supply input is switched to the mains-supplied module 308 by the power switching module；
Preferential mode is inputted using photovoltaic generation, the power supply cost of load can be reduced to greatest extent.
The photovoltaic generating module 302, respectively with the power network conveyor module 303, the battery charging module 305,
The load 307 is connected with the power switching module 301, for receiving photovoltaic electrification component in the photovoltaic generating module
Photovoltaic generation electric energy, instructed according to the power supply of the power switching module 303 and the photovoltaic generation electric energy is converted into direct current
To the power supply of load 307, and the power network conveyor module 303 will be sent to the dump energy after the power supply of load 307
Or the battery charging module 305 so that maximum resource utilization and economic well-being of workers and staff maximize.
The power network conveyor module 303, it is connected respectively with the photovoltaic generating module 302 and the power network 304, is used for
When civil power is normal, and photovoltaic generation power be more than it is described load 307 power when, receive the photovoltaic generating module 302 to institute
The dump energy after the power supply of load 307 is stated, and the dump energy is conveyed to the power network 304；To enjoy country and place
Subsidy policy of the government to photovoltaic.
The battery charging module 305, respectively with the photovoltaic generating module 302, the battery discharging module 306
It is connected with the mains-supplied module 308, for when city's electrical anomaly, and the photovoltaic generation power is more than the load work(
During rate, the photovoltaic generating module 302 is received to the dump energy after the power supply of load 307；When the photovoltaic generating module
302 stop generating electricity and the civil power is when being in paddy electricity electric energy, and the civil power electric energy is converted into direct current while to the load
Power supply, while being charged to the battery；The electric energy of the accumulators store is sent to the battery discharging module 306；
To meet the electrical energy demands of the battery discharging module 306, the cost for load supplying is reduced.
The battery discharging module 306, it is connected respectively with the battery charging module 305 and the load 307,
For when the photovoltaic generation power is less than the bearing power, and when civil power is in peak electricity electric energy, the battery is discharged
The electric energy of storage is the power supply of load 307, to supplement the deficiency of the photovoltaic generation electric energy；When the photovoltaic generating module
When 302 stoppings generate electricity and the civil power is in peak electricity electric energy, supplied by the battery discharging module 306 for the load 307
Electricity.
The mains-supplied module 308, respectively with the battery charging module 305, the load 307 and power supply
Handover module 301 is connected, for when the photovoltaic generation power is less than 307 power of the load, and civil power to be in ordinary telegram
During electric energy, civil power electric energy is converted to direct current to the power supply of load 307 by the mains-supplied module, is sent out with supplementing the photovoltaic
The deficiency of electric energy；When the photovoltaic generating module 302 stops generating electricity, referred to according to the power supply of the power switching module 301
Order, mains-supplied input is switched to, when the civil power electric energy is the peak electricity period, is by the battery discharging module 306
The load supplying, when the civil power electric energy is the ordinary telegram period, civil power electric energy is converted to by the mains-supplied module
Direct current is electric by civil power by the mains-supplied module when the civil power electric energy is the paddy electricity period to the load supplying
Direct current can be converted to while to the load supplying, while being charged to battery.
As shown in figure 4, the schematic diagram of a specific example of the system powered for synthesis energy saving described in the present embodiment.This is
System includes：Intelligent control module 403, power switching module 402, photovoltaic access case 403, exchange access case 404, photovoltaic module
405th, inverter 406, grid-connected electric energy meter 407, critical point electric energy meter 408, civil power 409,48V batteries 430, direct current
Load 433, MPPT photovoltaics rectification unit 432 (including MPPT photovoltaics rectification unit 3 and MPPT photovoltaics rectification unit N), civil power are whole
Flow unit 433 (including commercial power rectification unit 3 and commercial power rectification unit N).
Purpose is to set a kind of photovoltaic generation to generate power for their own use, remaining electricity online, the integration scenario of peak load shifting system supplement,
Increase the function of " peak load shifting " function, " folded optical functions " access function and remaining electricity online, photovoltaic electrical generation priority power supply during operation,
Peak load shifting automatically adjusts, and remaining electricity inputs to power network, it is ensured that to the safe power supply of load, enables to maximum resource utilization again
Maximized with economic well-being of workers and staff；Photovoltaic generation combines with peak load shifting, and rectification module is shared, and realizes further energy-saving and emission-reduction and reduction
Investment.
System shown in Fig. 4 is controlled by commercial power rectification unit, photovoltaic rectification unit, power switching module, batteries, intelligence
Molding block forms.Commercial power rectification unit requires to design according to rower YD/T 1058-2015, and photovoltaic rectification unit is on this basis
AC/DC is designed to, when photovoltaic is normal and civil power is normal, photovoltaic generation is grid-connected with civil power by inverter, then passes through city
Electric rectification cell translation gives DC load power supply, photovoltaic rectification unit dormancy, to unnecessary after the load supplying into direct current 48V
Electricity inputs to power network；When photovoltaic is normal and during city's electrical anomaly, inverter is stopped, and the direct current of photovoltaic generation passes through photovoltaic
Rectification unit is converted into direct current 48V and gives DC load power supply, and unnecessary electricity after powering to the load is to battery charging；The very night
Between civil power be in the paddy electricity period, system is needed to charge, and now by handover module, it is defeated that photovoltaic generating module is switched into civil power
Enter, under the United Dispatching of monitoring module, with former commercial power rectification unit Parallel opertation to battery charging.
Explanation is now used as using a concrete application example：
Certain communication base station room, direct current 48V systems, load current 80A.System battery group capacity according to 8 hours electric discharge,
2 hours standby equipping rules, configure 800AH batteries, and batteries are connected into by 16 100AH LiFePO4 echelon batteries
Group, system configure 8 groups of parallel connections altogether.System configuration intelligent control module one, 48V/50A high-frequency switching power supply modules 6.Wherein
For the rectification module 3 of photovoltaic generation, corresponding 3 groups of the photovoltaic generation power component Configuration, every group by 8 block assembly strings
Connection, monolithic element 300W/32V, the (PCC) power 2400W/256V after series connection, it can be used as single 48V/50A that there is MPPT work(
The high-frequency switching power supply module input of energy；3 groups of (PCC) powers have the HF switch electricity of MPPT functions to 3 48V/50A respectively
Source module inputs.Power switching module is added between photovoltaic module and module input, when sunshine is normal, intelligent control mould
Block sends signal, high frequency switch power commutating module of the photovoltaic generation access with MPPT functions, photovoltaic to power switching module
Rectification unit output voltage is less than commercial power rectification unit output voltage 0.5V, and photovoltaic rectification unit is in stand-by heat working condition.
When sunshine is normal, city's electrical anomaly, inverter is stopped, photovoltaic rectification unit by stand-by heat working condition from
Turn changes to normal output state.When exceeding whole bearing powers such as photovoltaic power output, remainder is to battery charging；
When being unsatisfactory for providing whole bearing powers such as photovoltaic power output, insufficient section is supplied automatically by batteries.
When sunshine is normal and civil power is normal, inverter work, photovoltaic rectification unit is in stand-by heat working condition, city
Electric rectification unit is in normal output state.When photovoltaic power output exceedes whole bearing powers, no matter in the peak electricity period
Or the ordinary telegram period, dump power part is to grid power transmission；When system is operated in the ordinary telegram period, photovoltaic power output is unsatisfactory for carrying
During for whole bearing powers, insufficient section is supplied automatically by civil power；When system is operated in the peak electricity period, photovoltaic power output is discontented with
When foot provides whole bearing powers, insufficient section power is supplied automatically by batteries.
Embodiment 4
Fig. 5 is the structural representation for the system that synthesis energy saving described in the present embodiment is powered, the system and power network 504 and load
507 are connected, and include simultaneously：Power switching module 501, photovoltaic generating module 502, power network conveyor module 503, battery charging
Module 505, battery discharging module 506 and mains-supplied module 508.
The power switching module 501, respectively with the photovoltaic generating module 502 and the phase of mains-supplied module 508
Connection, for receiving the power supply information of the photovoltaic generating module 502 and the mains-supplied module 508, when the photovoltaic is sent out
During electric 502 normal power generation of module, supply input is switched to the photovoltaic generating module 502 by the power switching module, when described
When photovoltaic generating module 502 stops generating electricity, supply input is switched to the mains-supplied module 508 by the power switching module；
Preferential mode is inputted using photovoltaic generation, the power supply cost of load can be reduced to greatest extent.
The photovoltaic generating module 502, respectively with the power network conveyor module 503, the battery charging module 505,
The load 507 is connected with the power switching module 501, for receiving photovoltaic electrification component in the photovoltaic generating module
Photovoltaic generation electric energy, instructed according to the power supply of the power switching module 503 and the photovoltaic generation electric energy is converted into direct current
To the power supply of load 507, and the power network conveyor module 503 will be sent to the dump energy after the power supply of load 507
Or the battery charging module 505 so that maximum resource utilization and economic well-being of workers and staff maximize.
The power network conveyor module 503, it is connected respectively with the photovoltaic generating module 502 and the power network 504, is used for
When civil power is normal, and photovoltaic generation power be more than it is described load 507 power when, receive the photovoltaic generating module 502 to institute
The dump energy after the power supply of load 507 is stated, and the dump energy is conveyed to the power network 504；To enjoy country and place
Subsidy policy of the government to photovoltaic.
The battery charging module 505, respectively with the photovoltaic generating module 502, the battery discharging module 506
It is connected with the mains-supplied module 508, for when city's electrical anomaly, and the photovoltaic generation power is more than the load
During 507 power, the photovoltaic generating module 502 is received to the dump energy after the power supply of load 507；When the photovoltaic generation
Module 502 stops generating electricity and the civil power is when being in paddy electricity electric energy, and the civil power electric energy is converted into direct current while to described
Load supplying, while being charged to the battery；The electric energy of the accumulators store is sent to the battery discharging module
506；To meet the electrical energy demands of the battery discharging module 506, the cost for load supplying is reduced.
The battery discharging module 506, it is connected respectively with the battery charging module 505 and the load 507,
For when the photovoltaic generation power is less than 507 power of the load, and when civil power is in peak electricity electric energy, discharge the electric power storage
The electric energy of pond storage is the power supply of load 507, to supplement the deficiency of the photovoltaic generation electric energy；When the photovoltaic generating module
When 502 stoppings generate electricity and the civil power is in peak electricity electric energy, supplied by the battery discharging module 506 for the load 507
Electricity.
In some optional embodiments, for prevent from the battery from occurring storing electric energy deficiency the problem of, the storage
Battery is provided with monitoring and early warning, the battery discharging module 506, further comprises：Battery electric energy monitoring unit 561 and storage
Battery power refresh unit 562, wherein；
The battery electric energy monitoring unit 561, it is connected with the battery electric energy refresh unit 562, for recording
The electric energy that the battery is put after each discharge cycles, the electric energy of the battery is compared with predefined discharge threshold
Compared with the battery electric energy monitoring information is sent into the battery electric energy refresh unit 562.
The battery electric energy refresh unit 562, respectively with the battery electric energy monitoring unit 561, the battery
Charging module 505 is connected with the load 507, is less than or equal to the predefined electric discharge for the electric energy when the battery
During threshold value, electric energy refreshing is carried out to the battery discharging module 506 by the battery charging module 505；When the storage
When the electric energy of battery is more than the predefined discharge threshold, the battery discharging module 506 is the power supply of load 507.
When the electric energy using storage is load supplying, certain storage electric energy is preserved all the time, to there are special feelings
Condition, in the case of without illumination and municipal power failure, default power supply can be also provided for load and supported.In the electricity of battery storage
It can all discharge and finish, just enable city and supply electricity to load and be powered, make equivalent to the electrical power storage of non-peak electricity is got up in peak electricity
With, be advantageous to save for load supplying resource.Alternatively, discharge threshold can be the 0 to 50% of battery stores electricity energy, tool
Body numerical value is by user's site setup.
The mains-supplied module 508, respectively with the battery charging module 505, the load 507 and power supply
Handover module 501 is connected, and for when the photovoltaic generation power is less than the bearing power, and civil power is in ordinary telegram electric energy
When, civil power electric energy is converted to direct current to the load supplying by the mains-supplied module, to supplement the photovoltaic generation electric energy
Deficiency；When the photovoltaic generating module 502 stops generating electricity, instructed according to the power supply of the power switching module 501, switching
Inputted to mains-supplied, be the load by the battery discharging module 506 when the civil power electric energy is the peak electricity period
Power supply, when the civil power electric energy is the ordinary telegram period, by the mains-supplied module by civil power electric energy be converted to direct current to
The load supplying, when the civil power electric energy is the paddy electricity period, civil power electric energy is converted to by the mains-supplied module
Direct current is while to the load supplying, while being charged to battery.
Embodiment 5
Fig. 6 is the schematic flow sheet for the system that synthesis energy saving described in the present embodiment is powered, and the system is applied to load, power network
Between battery, comprise the following steps：
Step 601, energy photovoltaic receive the photovoltaic generation electric energy of photovoltaic electrification component, and the photovoltaic generation electric energy is turned
Direct current is changed to the load supplying, while detects the size of photovoltaic generation power and bearing power.
Step 602, when the photovoltaic generation power is more than the bearing power, detection civil power it is whether normal.
Step 603, when civil power is normal, electrical grid transmission device receives the photovoltaic electrification component to after the load supplying
Dump energy, and the dump energy is conveyed to power network.
When civil power is normal, the photovoltaic electrification component is grid-connected by inverter and civil power, will by commercial power rectification unit
The photovoltaic generation electric energy is converted to direct current to the load supplying；When photovoltaic generation power is more than the bearing power,
Photovoltaic generation is conveyed to the dump energy after the load supplying to the power network, to enjoy country and local government to photovoltaic
Subsidy policy so that economic well-being of workers and staff maximize.
Photovoltaic generation electric energy caused by photovoltaic electrification component meets the electrical energy demands of load, when photovoltaic electrification component completion pair
After the power supply of load, remaining whole electric energy are the dump energy.
Step 604, when city's electrical anomaly, battery charging end receives the photovoltaic electrification component to after the load supplying
Dump energy, be stored in battery.
When city's electrical anomaly, the inverter is stopped, and the photovoltaic electrification component directly will through photovoltaic rectification unit
The photovoltaic generation electric energy is converted to direct current to the load supplying；When the photovoltaic generation power is more than the bearing power
When, photovoltaic generation is charged to the dump energy after the load supplying to battery so that maximum resource utilization, when follow-up
When the electric energy for discharging the battery is load supplying, the cost of load supplying can be reduced to greatest extent.
Step 605, when the photovoltaic generation power is less than the bearing power, detect the electric energy period of the civil power.
Step 606, when the civil power is in peak electricity electric energy, battery discharging end discharges the electric energy of the accumulators store
For the load supplying.
It is load supplying by discharging the electric energy of storage of battery at civil power peak during electricity electric energy, supplements the photovoltaic hair
The deficiency of electric energy, the cost for load supplying is reduced to greatest extent.
In some optional embodiments, the electric energy that battery discharging end discharges the accumulators store supplies for the load
Electricity, further for:
Photovoltaic generation power detector monitors the effective power that the photovoltaic electrification component is sent in real time.
Bearing power detector monitors the effective power of the load in real time.
Battery controller receives the data of the photovoltaic generation power detector and the bearing power detector, according to
The effective power data of the photovoltaic electrification component and the effective power data of the load, control the battery discharging end to be
The discharge current of the load supplying.
Step 607, when the civil power is in ordinary telegram electric energy, civil power electric energy is converted to direct current to institute by mains-supplied device
State load supplying.
It is load supplying directly by civil power in civil power ordinary telegram electric energy, supplements the deficiency of the photovoltaic generation electric energy, one
Aspect ensure that the cost for load supplying, on the other hand can reduce the discharge and recharge number of battery, reduce the loss of battery.
Step 608, when the energy photovoltaic stops generating electricity, power switching device switches the mains-supplied device as power supply
Civil power electric energy is converted to direct current to the load supplying by input, the mains-supplied device.
Preferential mode is inputted using photovoltaic generation, the power supply cost of load can be reduced to greatest extent.
In some optional embodiments, step 608 is further：When the energy photovoltaic stops generating electricity, power supply
It is supply input that switch, which switches the mains-supplied device, and when the civil power electric energy is the peak electricity period, battery discharging end is released
The electric energy for putting the battery is the load supplying；When the civil power electric energy is the ordinary telegram period, mains-supplied device is by civil power
Electric energy is converted to direct current to the load supplying；When the civil power electric energy is the paddy electricity period, the mains-supplied Qi Jiang cities
Electric energy is converted to direct current while to the load supplying, while being charged to battery.
In some optional embodiments, for prevent from the battery from occurring storing electric energy deficiency the problem of, the storage
Battery is provided with monitoring and early warning, and described in the present embodiment, the electric energy that battery discharging end discharges the battery is the load
Power supply, further for：
Battery electric energy monitor records the electric energy of the battery after each discharge cycles, by the electric energy of the battery
It is compared with predefined discharge threshold.
When the electric energy of the battery is less than or equal to the predefined discharge threshold, the battery charging end is to institute
State battery and carry out electric energy refreshing；When the electric energy of the battery is more than the predefined discharge threshold, the storage is discharged
The electric energy of battery storage is the load supplying.
When the electric energy using storage is load supplying, certain storage electric energy is preserved all the time, to there are special feelings
Condition, in the case of without illumination and municipal power failure, default power supply can be also provided for load and supported.In the electricity of battery storage
It can all discharge and finish, just enable city and supply electricity to load and be powered, make equivalent to the electrical power storage of non-peak electricity is got up in peak electricity
With, be advantageous to save for load supplying resource.Alternatively, discharge threshold can be the 0 to 50% of battery stores electricity energy, tool
Body numerical value is by user's site setup.
By above-described embodiment, the system of synthesis energy saving power supply of the present utility model, following beneficial effect is reached
Fruit：
(1) system of synthesis energy saving power supply described in the utility model, using photovoltaic generating module and mains-supplied module
The power supply mode being combined, it can either ensure and safe power supply is carried out to load, and can enough utilizes peak load shifting power-supply rectifying module
It is shared so that device resource using maximizing, improve the utilization ratio of resource, at the same reduce the operation of electric power system into
This.
(2) system of synthesis energy saving power supply described in the utility model, is charged using photovoltaic power supply module and peak load shifting
The shared power supply mode of rectification module,, will when photovoltaic generation, which is generated power for their own use, still has dump energy by the regulatory function of system
Dump energy conveys to power network, so that economic well-being of workers and staff maximizes；When photovoltaic generation generates power for their own use underpower, using " peak electricity
Period " battery supplements, " ordinary telegram period " civil power supplement, can save the power supply cost of load to greatest extent.
(3) system of synthesis energy saving power supply described in the utility model, by carrying out electricity monitoring to battery, works as electric power storage
When pond electricity is less than discharge threshold, electricity refreshing is carried out to battery automatically, with the normal operation of more preferable maintenance free cell, when
When photovoltaic generation and abnormal mains-supplied, it can also ensure normal power supply of the battery to load.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (6)
1. a kind of system of synthesis energy saving power supply, is connected with power network and load, it is characterised in that including：Power switching module,
Photovoltaic generating module, power network conveyor module, battery charging module, battery discharging module and mains-supplied module, wherein；
The power switching module, it is connected respectively with the photovoltaic generating module and the mains-supplied module, for receiving
The power supply information of the photovoltaic generating module and the mains-supplied module, should when the photovoltaic generating module normal power generation
Supply input is switched to the photovoltaic generating module by power switching module, should when the photovoltaic generating module stops generating electricity
Supply input is switched to the mains-supplied module by power switching module；
The photovoltaic generating module, respectively with the power network conveyor module, the battery charging module, it is described load and it is described
Power switching module is connected, for receiving the photovoltaic generation electric energy of photovoltaic electrification component in the photovoltaic generating module, according to institute
The photovoltaic generation electric energy is converted to direct current to the load supplying by the power supply instruction for stating power switching module, and will be to institute
State the dump energy after load supplying and send the power network conveyor module or the battery charging module to；
The power network conveyor module, is connected with the photovoltaic generating module and the power network respectively, for when civil power is normal,
And photovoltaic generation power receives the photovoltaic generating module to the residue electricity after the load supplying when being more than the bearing power
Can, and the dump energy is conveyed to the power network；
The battery charging module, it is connected respectively with the photovoltaic generating module and the battery discharging module, is used for
When city's electrical anomaly, and when the photovoltaic generation power is more than the bearing power, the photovoltaic generating module is received to described
Dump energy after load supplying, and the electric energy of accumulators store is sent to the battery discharging module；
The battery discharging module, it is connected respectively with the battery charging module and the load, for when the light
Volt generated output is when being less than the bearing power, and when civil power is in peak electricity electric energy, the electric energy for discharging the accumulators store is
The load supplying；
The mains-supplied module, it is connected respectively with the load and the power switching module, for being sent out when the photovoltaic
When electrical power is less than the bearing power, and when civil power is in ordinary telegram electric energy, the mains-supplied module is converted to civil power electric energy
Direct current is to the load supplying；When the photovoltaic generating module stops generating electricity, the mains-supplied module, according to the power supply
The power supply instruction of handover module, direct current is converted to the load supplying by civil power electric energy.
2. the system of synthesis energy saving power supply according to claim 1, it is characterised in that the battery discharging module, enter
One step includes：Photovoltaic generation power detection unit, bearing power detection unit and battery discharging control unit, wherein；
The photovoltaic generation power detection unit, respectively with the photovoltaic generating module and the battery discharging control unit phase
Connection, the effective power sent for monitoring the photovoltaic generating module in real time, by the photovoltaic generating module detected
Effective power data are sent to the battery discharging control unit；
The bearing power detection unit, it is connected respectively with the load and the battery discharging control unit, for reality
When monitor the effective power of the load, and by the effective power data of the load be sent to the battery discharging control it is single
Member；
The battery discharging control unit, respectively with the battery charging module, the photovoltaic generation power detection unit,
The bearing power detection unit is connected with the load, for receiving the photovoltaic generation power detection unit and described negative
The monitoring information of power detecting unit is carried, according to the effective power data of the photovoltaic electrification component and the Effective power of the load
Rate data, the discharge current of the battery is controlled, by the electric energy of the battery received to the load supplying.
3. the system of synthesis energy saving power supply according to claim 1, it is characterised in that the mains-supplied module, enter one
Walk and be：
The mains-supplied module, for when the photovoltaic generation power is less than the bearing power, and civil power is in ordinary telegram
During electric energy, civil power electric energy is converted to direct current to the load supplying by the mains-supplied module；When the photovoltaic generating module
When stopping generating electricity, instructed according to the power supply of the power switching module, mains-supplied input is switched to, when the civil power electric energy is
It is the load supplying by the battery discharging module during peak electricity period, when the civil power electric energy is the ordinary telegram period, leads to
Cross the mains-supplied module and civil power electric energy is converted into direct current to the load supplying, when the civil power electric energy is paddy electricity
Duan Shi, civil power electric energy is converted to by direct current by the mains-supplied module while to the load supplying, while to electric power storage
Charge in pond.
4. the system of synthesis energy saving power supply according to claim 3, it is characterised in that the battery charging module, enter
One step is：
The battery charging module, supplied respectively with the photovoltaic generating module, the battery discharging module and the civil power
Electric module is connected, and for when city's electrical anomaly, and when the photovoltaic generation power is more than the bearing power, receives the light
Electricity generation module is lied prostrate to the dump energy after the load supplying；When photovoltaic generating module stopping generating and the civil power is in
During paddy electricity electric energy, the civil power electric energy is converted into direct current while to the load supplying, while being charged to the battery；
The electric energy of the accumulators store is sent to the battery discharging module.
5. the system of synthesis energy saving power supply according to claim 3, it is characterised in that the battery discharging module, enter
One step is：
The battery discharging module, it is connected respectively with the battery charging module and the load, for when the light
Volt generated output is when being less than the bearing power, and when civil power is in peak electricity electric energy, the electric energy for discharging the accumulators store is
The load supplying；When the photovoltaic generating module stops generating electricity and the civil power is in peak electricity electric energy, pass through the electric power storage
Tank discharge module is the load supplying.
6. the system of synthesis energy saving power supply according to claim 5, it is characterised in that the battery discharging module, enter
One step includes：Battery electric energy monitoring unit and battery electric energy refresh unit, wherein；
The battery electric energy monitoring unit, it is connected with the battery electric energy refresh unit, is followed for recording electric discharge every time
The electric energy of the battery after ring, the electric energy of the battery is compared with predefined discharge threshold, by the electric power storage
Pond energy monitor information transmission is to the battery electric energy refresh unit；
The battery electric energy refresh unit, respectively with the battery electric energy monitoring unit, the battery charging module and
The load is connected, for when the electric energy of the battery is less than or equal to the predefined discharge threshold, by described
Battery charging module carries out electric energy refreshing to the battery discharging module；When the electric energy of the battery is more than predefined
During the discharge threshold, the battery discharging module is the load supplying.
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| CN201720669187.3U CN206820477U (en) | 2017-06-09 | 2017-06-09 | A kind of system of synthesis energy saving power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069790A (en) * | 2017-06-09 | 2017-08-18 | 中塔新兴通讯技术集团有限公司 | The system and method that a kind of synthesis energy saving is powered |
| CN112366750A (en) * | 2020-10-29 | 2021-02-12 | 深圳市富兰瓦时技术有限公司 | Control method and device of power supply system |
-
2017
- 2017-06-09 CN CN201720669187.3U patent/CN206820477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069790A (en) * | 2017-06-09 | 2017-08-18 | 中塔新兴通讯技术集团有限公司 | The system and method that a kind of synthesis energy saving is powered |
| CN112366750A (en) * | 2020-10-29 | 2021-02-12 | 深圳市富兰瓦时技术有限公司 | Control method and device of power supply system |
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