CN101877499B - Method and system for continuously supplying power by solar energy and commercial power - Google Patents
Method and system for continuously supplying power by solar energy and commercial power Download PDFInfo
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- CN101877499B CN101877499B CN2010101459990A CN201010145999A CN101877499B CN 101877499 B CN101877499 B CN 101877499B CN 2010101459990 A CN2010101459990 A CN 2010101459990A CN 201010145999 A CN201010145999 A CN 201010145999A CN 101877499 B CN101877499 B CN 101877499B
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Abstract
The invention relates to a method and a system for continuously supplying power by solar energy and commercial power. The method comprises the following steps of: 1, judging whether communication between a solar energy system and a commercial power system is normal or not, and if the communication is normal, performing a step 3, and if the communication is abnormal, performing a step 2; 2, setting the commercial power system in a fixed floating charge state; and 3, automatically managing the commercial power system on the basis of information acquired from the solar energy system and automatically managing the solar energy system on the basis of the information acquired from the commercial power system. The method and the system for continuously supplying power by the solar energy and the commercial power are used for performing automatic management on the commercial power system on the basis of the information acquired from the solar energy system and performing the automatic management on the solar energy system on the basis of the information acquired from the commercial power system through the communication between the solar energy and the commercial power system, and thus realizing perfect combination of the solar energy and the commercial power to provide reliable power supply which is not influenced by switching time.
Description
Technical field
The present invention relates to electric power system, more particularly, relate to a kind of solar energy and city's continuity method of supplying power to and system thereof.
Background technology
The electric main system occupies most of electrity market all the time because of its stability, continuity.Yet,, energy-conservationly paid attention to by people day by day along with the development of society.Solar energy since its advantage such as pollution-free, renewable and inexhaustible be widely used.But because weather or other reasons, solar energy maybe be discontinuous on time and power, brought inconvenience therefore for many occasions of utilizing.Therefore, some areas have formed the supply power mode with solar energy and the complementary power supply of mains system.
Disclose a kind of complementary solar energy uninterrupted power supply controller like Chinese utility application ZL200620153408.3, it comprises that multi-functional control module, AC/DC switching controls module are in order to realize solar cell, storage battery and the switching of electric main time.But a kind of like this solar energy and civil power complementary system structure are too simple, the function reduction, and have handoff procedure.Even can shorten its switching time through such complementary system is improved, also be tantamount to make a desperate move a such switching time concerning the very high occasion of some reliability requirements.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, provides a kind of and not influenced by switching time, thereby can solar energy and civil power perfect adaptation be provided solar energy and city's continuity method of supplying power to of reliable power supply.
The technical solution adopted for the present invention to solve the technical problems is: a kind of solar energy and city's continuity method of supplying power to are provided, comprise:
S1, judge solar energy system communicate by letter with mains system whether normal, if execution in step S3 otherwise execution in step S2;
S2, the said mains system of setting are fixing floating charge state;
S3, carry out mains system based on the information of obtaining from said solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from said mains system and manage automatically.
In solar energy of the present invention and city's continuity method of supplying power to, said step S2 further comprises:
The said mains system of current limliting when the output current of said mains system is higher than the mains system current-limiting points.
Solar energy of the present invention and city's continuity method of supplying power to, in said step S3, said based on the information of obtaining from said solar energy system carry out mains system automatically management comprise:
S31, said mains system are obtained the even charging voltage and the float charge voltage of said solar energy system from said solar energy system;
The even charging voltage of S32, the said mains system of control is less than or equal to the intermediate value of the even charging voltage of said solar energy system, and the float charge voltage of said mains system is less than or equal to the lower limit of the float charge voltage of said solar energy system.
In solar energy of the present invention and city's continuity method of supplying power to, the float charge voltage of said solar energy system is 52.8～54.8V, and the even charging voltage of said solar energy system is 55.4～57V; The even charging voltage default value of said mains system is 55.4V, and the float charge voltage default value of said mains system is 50.8V.
Solar energy of the present invention and city's continuity method of supplying power to, in said step S3, saidly carry out the automatic management of mains system based on the information of obtaining from said solar energy system and further comprise:
Said mains system is obtained said solar energy system self check information from said solar energy system;
After treating that said solar energy system self check finishes, said mains system is carried out current limliting handle.
Solar energy of the present invention and city's continuity method of supplying power to, in said step S3, saidly carry out the automatic management of mains system based on the information of obtaining from said solar energy system and further comprise:
Said mains system is carried out peak regulation so that the use amount of civil power to be set.
Solar energy of the present invention and city's continuity method of supplying power to, in said step S3, said based on the information of obtaining from said mains system carry out solar energy system automatically management comprise:
S3a, said solar energy system obtain the charged state of said mains system from said mains system;
S3b, said solar energy system all fill or floating charge based on the charged state of the said mains system of obtaining, and wherein when mains system was all filled, solar energy system all filled thereupon.When the mains system floating charge, said solar energy system is floating charge thereupon also.
Solar energy of the present invention and city's continuity method of supplying power to, in said step S3, saidly carry out the automatic management of solar energy system based on the information of obtaining from said mains system and further comprise:
Obtain the civil power access information from said mains system;
Based on said civil power access information, the said mains system of said solar energy system request allows said solar energy system self check;
After waiting to receive the information of the said solar energy system self check of permission that said mains system sends, said solar energy system carries out self check.
Solar energy of the present invention and city's continuity method of supplying power to, in said step S3, saidly carry out the automatic management of solar energy system based on the information of obtaining from said mains system and further comprise:
When the oily machine overcurrent of said solar energy system, said solar energy system is closed all photovoltaics;
Said solar energy system gets into exception handling procedure.
Another technical scheme that the present invention solves its technical problem employing is; Construct a kind of solar energy and civil power uninterruptible power supply system; Comprise solar energy system and mains system; Wherein said solar energy further comprises with the civil power uninterruptible power supply system and is used for the communication module that said solar energy system is communicated by letter with mains system
Said solar energy system comprises solar powered module and solar energy monitoring module,
Said mains system comprises mains-supplied module and civil power monitoring module;
When said communication module operate as normal; Said civil power monitoring module obtains the information of said solar energy system through said communication module and carries out mains system based on the information of obtaining from said solar energy system and manage automatically, and said solar energy monitoring module obtains the information of said mains system through said communication module and carries out solar energy system based on the information of obtaining from said mains system and manage automatically;
When said communication module operation irregularity, said civil power monitoring module is set said mains system and is fixing floating charge state, and said civil power monitoring module is in the output current of the said mains system said mains system of current limliting during greater than the civil power current-limiting points.
The solar energy of embodiment of the present invention and city's continuity method of supplying power to and system; Come to carry out the automatic management of mains system based on the information of obtaining from said solar energy system respectively and carry out solar energy system based on the information of obtaining from said mains system and manage automatically through the communication between solar energy system and the mains system; Make in the continuous power supply process of whole solar energy system and mains system; The switching of all solar energy systems and each management process of mains system all is based on the information that provides each other and carries out; Therefore can not occur receiving each management process to influence required switching time, thereby reliable power supply is provided solar energy and civil power perfect adaptation.
Further, the solar energy of embodiment of the present invention and city's continuity method of supplying power to and system can also utilize solar energy fully reliably, and the civil power use amount is set flexibly, realize using electricity in off-peak hours.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the flow chart of first embodiment of solar energy of the present invention and city's continuity method of supplying power to;
Fig. 2 is the flow chart of second embodiment of solar energy of the present invention and city's continuity method of supplying power to;
Fig. 3 is the current limliting process chart of said mains system of the present invention;
Fig. 4 is the abnormality processing flow chart of said solar energy system of the present invention;
Fig. 5 is the current limliting process chart of said solar energy system of the present invention;
Fig. 6 is the theory diagram of first embodiment of solar energy of the present invention and civil power uninterruptible power supply system;
Fig. 7 is the theory diagram of second embodiment of solar energy of the present invention and civil power uninterruptible power supply system.
Embodiment
Various aspects of the present invention comprise solar energy and city's continuity method of supplying power to and system.In the present invention, said solar energy system and mains system can be basic identical with prior art, and said solar energy system comprises solar powered module and solar energy monitoring module.Wherein those skilled in the art know, in a preferred embodiment of the invention, said mains-supplied module can comprise external civil power and the rectification circuit that is electrically connected with the city.Said solar powered module can comprise the photovoltaic square formation that is cascaded successively, is used for the battery of storage of electrical energy, fan unit, oily machine unit or the like.The control of above-mentioned module can be carried out according to prior art.
In addition; Those skilled in the art know; Hereinafter mentioned in solar energy system or mains system " self check ", actions such as " current limlitings " be meant for the stable operation that guarantees solar energy system and mains system self with and the output current that provided stable and the operation that must carry out.
Fig. 1 is the flow chart of first embodiment of solar energy of the present invention and city's continuity method of supplying power to.As shown in Figure 1, in step S1, judge at first whether normal solar energy system communicates by letter with mains system.If the communication of judging is normal, execution in step S3 then, otherwise execution in step S2.The communication means of known multiple systems and equipment room in this area for example can be realized the communication between said solar energy system and the mains system through bluetooth, infrared, communication bus (interconnected such as power line) or the like known any communication technology.
In step S2, just when judging solar energy system with the mains system communication abnormality, the floating charge state that direct said mains system is set to fix.At this, said communication abnormality possibly be meant that solar energy system and mains system can't obtain information each other, be meant perhaps that the information of obtaining lacks to some extent to cause carrying out judgment processing accurately, and also can be other situation.At this moment, occur simultaneously all filling state for fear of solar energy system and mains system, cause total output current excessive, the floating charge state that direct mains system is set to fix does not deal with solar energy system simultaneously.In one embodiment of the invention, the floating charge pressure point of power-supply system is 52V.In a preferred embodiment of the invention, in order to guarantee the stable of whole solar energy and mains system, after the floating charge state that said mains system is arranged to fix, further measure the output current of mains system.When this civil power output current during, said mains system is carried out current limliting greater than the civil power current-limiting points.Those skilled in the art can be provided with said civil power current-limiting points according to actual needs.For example, in one embodiment of the invention, the total current-limiting points of said civil power current-limiting points=solar energy and civil power-solar energy system amount of imports constant volume * 0.8.In another preferred embodiment of the present invention, after the floating charge state that said mains system is arranged to fix, can also report the communication abnormality between solar energy system and the mains system through variety of way.Such as, can on display screen, show, perhaps dodge and report to the police or the like through jingle bell or lamp.
In step S3, just communicate by letter just often with mains system at the judgement solar energy system, carry out mains system based on the information of obtaining from said solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from said mains system and manage automatically.Wherein, in a preferred embodiment of the invention, the information of obtaining from said solar energy system can comprise like charging status information, self check information and/or current limliting information.
Those skilled in the art know, the communication of indication here normally is meant, solar energy system and mains system can be from obtaining information each other, and the information that obtains is enough to supply it to realize management automatically.
Implement above-mentioned solar energy and city's continuity method of supplying power to; Come to carry out the automatic management of mains system based on the information of obtaining from said solar energy system respectively and carry out solar energy system based on the information of obtaining from said mains system and manage automatically through the communication between solar energy system and the mains system; Make in the continuous power supply process of whole solar energy system and mains system; The switching of all solar energy systems and each management process of mains system all is based on the information that provides each other and carries out; Therefore can not occur receiving each management process to influence required switching time, thereby reliable power supply is provided solar energy and civil power perfect adaptation.
Fig. 2 is the flow chart of second embodiment of solar energy of the present invention and city's continuity method of supplying power to.As shown in Figure 2, at step S1, judge at first whether normal solar energy system communicates by letter with mains system.If judge communication abnormality then execution in step S2.In step S2, just when judging solar energy system with the mains system communication abnormality, the floating charge state that direct said mains system is set to fix.
Communicate by letter just often with mains system when the judgement solar energy system, carry out mains system based on the information of obtaining from said solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from said mains system and manage automatically.
Wherein, in said step S3, said based on the information of obtaining from said solar energy system carry out mains system automatically management comprise:
S31, said mains system are obtained the even charging voltage and the float charge voltage of said solar energy system from said solar energy system.In a preferred embodiment of the invention, the float charge voltage of said solar energy system is 52.8～54.8V, and the even charging voltage of said solar energy system is 55.4～57V.
The even charging voltage of S32, the said mains system of control is less than or equal to the intermediate value of the even charging voltage of said solar energy system, and the float charge voltage of said mains system is less than or equal to the lower limit of the float charge voltage of said solar energy system.In a preferred embodiment of the invention; The even charging voltage default value of said mains system is 55.4V, and the float charge voltage default value of said mains system is 50.8V.
Wherein, in said step S3, said based on the information of obtaining from said mains system carry out solar energy system automatically management comprise:
S3a, said solar energy system obtain the charged state of said mains system from said mains system.In one embodiment of the invention, charged state can be all to fill, and also can be floating charge.
S3b, said solar energy system all fill or floating charge based on the charged state of the said mains system of obtaining.That is to say that when mains system was all filled, solar energy system all filled thereupon.When the mains system floating charge, said solar energy system is floating charge thereupon also.
In the embodiment shown in Fig. 2, step S31 and S3a carry out simultaneously, and step S32 and step S3b carry out simultaneously.But those skilled in the art know, in other embodiments of the invention, and also at first execution in step S31 and S32, then execution in step S3a and S3b.
In preferred embodiment further of the present invention, saidly carry out the automatic management of mains system based on the information of obtaining from said solar energy system and further comprise: said mains system is obtained said solar energy system self check information from said solar energy system.When said mains system learnt that said solar energy system is carrying out self check, it can not carry out current limliting and handle.But after treating that said solar energy system self check finishes, said mains system is carried out current limliting handle.If solar energy system is not carrying out self check this moment, so said mains system can be carried out the current limliting processing, prevents that output current is excessive.The current limliting process chart of said mains system has been shown among Fig. 3.As shown in Figure 3, in step S41, judge whether the battery charge overcurrent continues setting-up time.For example, whether surpass 6s.If execution in step S42 then, to the output current current limliting, otherwise the current limliting handling process finishes.After execution in step S42, then at execution in step S43, in step S43, judge whether that electric current has been limited to minimum value, if, execution in step S44 so, otherwise return step S42, continue the stepping current limliting.In step S44, send current limliting sign to solar energy system, in order to notice solar energy system mains system current limliting finish.In a preferred embodiment of the invention, in step S42, can carry out the stepping current limliting to output current.
In preferred embodiment further of the present invention, saidly carry out the automatic management of mains system based on the information of obtaining from said solar energy system and further comprise said mains system is carried out peak regulation so that the use amount of civil power to be set.In the present invention, those skilled in the art can set peak regulation time and then the output of control civil power as required.For example, higher or need use electricity in off-peak hours the time when the section electricity charge sometime, can the float charge voltage of said mains system be arranged to the undervoltage alarm point, make the voltage output of mains system diminish, thereby can make full use of the voltage that solar energy system provides.Thereby can flexible civil power use amount.
In preferred embodiment further of the present invention; In said step S3, saidly carry out the automatic management of solar energy system based on the information of obtaining from said mains system and further comprise: obtain civil power access information (information that just, whether inserts) about civil power from said mains system; This is because when the solar energy system self check; Need obtain total input current of solar energy system, the photovoltaic that therefore need all close is for fear of when inserting civil power; Occur that total output current is excessive (to have the step of the photovoltaic that closes during the solar energy self check; Solar energy system had electric current output after photovoltaic closed, and it is excessive total output current to occur when therefore inserting civil power) situation, need at first obtain the civil power access information.Sending to said mains system based on said civil power access information subsequently allows this solar energy system to carry out the request of self check; That is to say; When solar energy system has civil power to insert; Need to send to mains system earlier to allow this solar energy system to carry out the request of self check; Wait to receive the information (just cutting off civil power inserts) that allows this solar energy system to carry out self check of sending that said mains system sends, said solar energy system just can carry out self check and then prevent solar energy system and mains system provides electric current to cause output current excessive simultaneously.
In preferred embodiment further of the present invention; In said step S3; Saidly carry out the automatic management of solar energy system based on the information of obtaining from said mains system and further comprise: when the oily machine overcurrent of said solar energy system, said solar energy system is closed all photovoltaics; After this said solar energy system gets into exception handling procedure.The exception handling procedure of said solar energy system has been shown among Fig. 4.
Automatic management process of each solar energy system and the automatic management process of mains system among the step S3 can carry out simultaneously, also can carry out respectively, also can select to carry out a part of step wherein and then realize light-electricity complementary power supply of the present invention.
As shown in Figure 4, in step S51, at first judge whether overcurrent of the outer load current that is connected on said solar energy system.If execution in step S52 closes all photovoltaics execution in step S53 again, otherwise direct execution in step S53.In step S53, judge whether the output voltage of each the road square formation in the solar energy system occurs pouring in down a chimney.If have, execution in step S54 closes the square formation that the situation of pouring in down a chimney occurs, execution in step S55 again, otherwise direct execution in step S55.Whether in step S55, judging has certain road square formation overvoltage.If truly have the square formation overvoltage then execution in step S56.Otherwise execution in step S57.In step S56,, this road square formation overvoltage breaks off this road square formation when surpassing 5 minutes, and execution in step S57.In step S57, judge whether the battery in the said solar energy system overvoltage warning occurs, if execution in step S58, otherwise execution in step S59.In step S58, cut off blower fan and photovoltaic, then execution in step S59.In step S59, judge at this whether the battery in the solar energy system excess temperature warning occurs.If execution in step S60, otherwise execution in step S63.In step S60, judge whether have this moment mains system to insert and this moment mains system charged state be floating charge.If execution in step S61, cut off also execution in step S63 subsequently of blower fan and photovoltaic, otherwise directly mains system is changeed floating charge, subsequently execution in step S63.In step S63, judge whether overvoltage protection of battery, if execution in step S64 then, set voltage protection sign and execution in step S65, otherwise direct execution in step S65.In step S65, judge that the cell voltage of solar energy system changes even charging voltage less than floating charge, if execution in step S66 removes voltage protection sign and execution in step S67, otherwise direct execution in step S67.In step S67, judge whether there is the overvoltage protection sign, if execution in step S68 then, otherwise execution in step S70.In step S68,, breaks off the cell voltage of solar energy system all also execution in step S70 when surpassing 53.8 volts, and promptly get into the current limliting handling process of solar energy system, and then avoid the output current of solar energy system excessive.
Fig. 5 is the current limliting process chart of said solar energy system of the present invention, and it is corresponding to the step S70 among Fig. 4.As shown in Figure 5, after current limliting is handled beginning, in step S71, judge the storage battery overcurrent whether in the solar energy system.If, execution in step S72.In step S72, judge whether said solar energy system and city's telecommunication be normal.If execution in step S74, otherwise execution in step S79.In step S74, judge the signal that whether not said solar energy system current limliting is perhaps received the mains system current limliting, if execution in step S81, otherwise execution in step S77.At step S77, the timing of civil power current limliting and trigger.Then execution in step S78 judges whether current limliting surpasses setting-up time to mains system, if execution in step S79 continues wait otherwise return step S77, surpasses setting-up time up to current limliting.In step S79, judge whether blower fan closes.If execution in step S82, otherwise execution in step S80.In step S80, delay time the end step of arriving soon after after closing blower fan.In step S82, judge whether to be last road square formation, if, then arrive end step, otherwise execution in step S83, arrive end step after breaking off one tunnel square formation.In a preferred embodiment of the invention, can at first detect the total quantity of closed square formation, every subsequently disconnection one tunnel square formation is promptly carried out once record, and then judges that current square formation is last road square formation.
When in step S71, judging that battery does not have overcurrent, execution in step S73.Whether in step S73, judging has square formation not to be closed because of overcurrent, if execution in step S75, otherwise execution in step S84.In step S75, judge whether the minimum current that current battery current+solar battery does not drop into crosses flow point less than battery, if, execution in step S76, otherwise directly arrive end step.In step S76, the square formation overcurrent that cancellation is provided with when current battery current is crossed flow point greater than battery does not drop into sign, and arrives end step.In step S84, judge whether overcurrent of blower fan, if execution in step S85 then, otherwise directly arrive end step.In step S85, judge whether overcurrent surpasses 10 minutes to blower fan, if execution in step S86, otherwise directly arrive end step.In step S86, the cancellation blower fan overcurrent sign end step of arriving soon after.
In one embodiment of the invention, at said step S75, can when self check, obtain the minimum current that solar battery does not drop into through directly detecting current electric current, the two summation with this is crossed flow point relatively with the battery of setting again.Wherein battery is crossed flow point and can be set according to battery capacity.In other embodiments of the invention; Can adopt additive method to come solar energy and city's continuity method of supplying power to of performing step S75. embodiment of the present invention; Coming respectively to carry out mains system based on the information of obtaining from said solar energy system through the communication between solar energy system and the mains system manages (like self check, current limliting etc.) automatically and carries out solar energy system based on the information of obtaining from said mains system and manage (like self check, current limliting etc.) automatically; Can be when making solar energy system and mains system at each automatic bookkeeping; Total output current can be not excessive, can be not too small yet.Therefore use the present invention, can be so that output current receive the influence of the switching time between each automatic bookkeeping.。Further, the solar energy of embodiment of the present invention and city's continuity method of supplying power to and system can also utilize solar energy fully reliably, and the civil power use amount is set flexibly, realize using electricity in off-peak hours.
Fig. 6 is the theory diagram of first embodiment of solar energy of the present invention and civil power uninterruptible power supply system.As shown in Figure 6, solar energy of the present invention and civil power uninterruptible power supply system comprise solar energy system 200, mains system 300 and are used for the communication module 100 that said solar energy system 200 is communicated by letter with mains system 300.Said solar energy system 200 comprises solar powered module 201 and solar energy monitoring module 202, and said mains system 300 comprises mains-supplied module 301 and civil power monitoring module 302.
When said communication module 100 operate as normal; Said civil power monitoring module 302 obtains the information of said solar energy system 200 through said communication module 100 and manages automatically based on carrying out mains system 300 from the information of obtaining of said solar energy system 200, and said solar energy monitoring module 202 (and carries out solar energy system 200 based on the information of obtaining from said mains system 300 and manages automatically through the information that said communication module 100 is obtained said mains system 300;
When said communication module 100 operation irregularities; Said civil power monitoring module 302 is set said mains system 300 and is fixing floating charge state, and said civil power monitoring module 302 is in the output current of the said mains system 300 said mains system 300 of current limliting during greater than the civil power current-limiting points.
The solar energy of embodiment of the present invention and civil power uninterruptible power supply system; Come to carry out the automatic management of mains system based on the information of obtaining from said solar energy system respectively and carry out solar energy system based on the information of obtaining from said mains system and manage automatically through the communication between solar energy system and the mains system; Thereby realize not influenced by switching time, thereby reliable power supply is provided solar energy and civil power perfect adaptation.
Those skilled in the art can construct above-mentioned solar energy system, mains system and be used for the communication module that said solar energy system is communicated by letter with mains system with city's continuity method of supplying power to according to the solar energy shown in Fig. 1-5.Those skilled in the art can realize solar energy according to the invention and civil power uninterruptible power supply system according to the instruction of solar energy of the present invention and city's continuity method of supplying power to and system, have stated with regard to no longer tiring out at this.
Fig. 7 is the theory diagram of second embodiment of solar energy of the present invention and civil power uninterruptible power supply system.As shown in Figure 7, solar energy of the present invention comprises solar energy system 200, mains system 300 and is used for the communication module 100 that said solar energy system 200 is communicated by letter with mains system 300 with the civil power uninterruptible power supply system.Said solar energy system 200 comprises solar powered module 201 and solar energy monitoring module 202, and said mains system 300 comprises mains-supplied module 301 and civil power monitoring module 302.
Wherein, said civil power monitoring module 302 comprises even and float charging management unit 312, civil power self-test unit 322 and peak regulation administrative unit 332.Wherein, Said even and float charging management unit 312 obtains the even charging voltage and the float charge voltage of said solar powered module 201 from said solar energy system 200 through communication module 100; And the even charging voltage of controlling the mains-supplied module 301 of said mains system 300 is less than or equal to the intermediate value of the even charging voltage of said solar powered module 201, and the float charge voltage of said mains-supplied module 301 is less than or equal to the lower limit of the float charge voltage of said solar powered module 201.Said civil power self-test unit 322 is obtained the self check information of said solar powered module 201 from said solar energy system 200 through communication module 100; And after treating that said solar powered module 201 self checks finish, said mains-supplied module 301 is carried out current limliting handle.Wherein, said current limliting process chart can carry out with reference to Fig. 3.Said peak regulation administrative unit 332 is used for said mains-supplied module 301 is carried out peak regulation so that the use amount of civil power to be set.In the present invention, those skilled in the art can set peak regulation time and then the output of control civil power as required.For example; Higher or need use electricity in off-peak hours the time when the section electricity charge sometime; Can the float charge voltage of said mains system 300 be arranged to the undervoltage alarm point, make the voltage output of mains system 300 diminish, thereby can make full use of the voltage that solar energy system 200 provides.Thereby can flexible civil power use amount.
Said solar energy monitoring module 202 comprises charged state administrative unit 212, solar energy self check administrative unit 222 and abnormality processing administrative unit 232.Said charged state administrative unit 212 is obtained the charged state of said mains-supplied module 301 and is all filled or floating charge based on the charged state of the said mains-supplied module of obtaining 301 from said mains system 300 through communicator.Said solar energy self check administrative unit 222 is obtained the civil power access information through communicator from said mains-supplied module 301; Then based on said mains-supplied module 301 self checks of said civil power access information request; After waiting to receive the self check information that said mains-supplied module 301 sends, control said solar powered module 201 and carry out self check.Said abnormality processing administrative unit 232 is used for when the oily machine overcurrent of said solar powered module 201 time, closing all photovoltaics; Then control said solar powered module 201 and get into exception handling procedure.Said exception handling procedure can be with reference to the flow performing of Fig. 4.
The solar energy of embodiment of the present invention and city's continuity method of supplying power to and system; Come to carry out the automatic management of mains system based on the information of obtaining from said solar energy system respectively and carry out solar energy system based on the information of obtaining from said mains system and manage automatically through the communication between solar energy system and the mains system; Thereby realize not influenced by switching time, thereby reliable power supply is provided solar energy and civil power perfect adaptation.Further, the solar energy of embodiment of the present invention and city's continuity method of supplying power to and system can also utilize solar energy fully reliably, and the civil power use amount is set flexibly, realize using electricity in off-peak hours.
Though the present invention describes through specific embodiment, it will be appreciated by those skilled in the art that, without departing from the present invention, can also carry out various conversion and be equal to alternative the present invention.Therefore, the present invention is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall in the claim scope of the present invention.
Claims (10)
1. a solar energy and city's continuity method of supplying power to is characterized in that, comprising:
S1, judge solar energy system communicate by letter with mains system whether normal, if execution in step S3 otherwise execution in step S2;
S2, the said mains system of setting are fixing floating charge state;
S3, carry out mains system based on the information of obtaining from said solar energy system and manage automatically, and carry out solar energy system based on the information of obtaining from said mains system and manage automatically.
2. solar energy according to claim 1 and city's continuity method of supplying power to is characterized in that said step S2 further comprises:
The said mains system of current limliting when the output current of said mains system is higher than the mains system current-limiting points.
3. solar energy according to claim 1 and city's continuity method of supplying power to is characterized in that, in said step S3, said based on the information of obtaining from said solar energy system carry out mains system automatically management comprise:
S31, said mains system are obtained the even charging voltage and the float charge voltage of said solar energy system from said solar energy system;
The even charging voltage of S32, the said mains system of control is less than or equal to the intermediate value of the even charging voltage of said solar energy system, and the float charge voltage of said mains system is less than or equal to the lower limit of the float charge voltage of said solar energy system.
4. solar energy according to claim 3 and city's continuity method of supplying power to is characterized in that the float charge voltage of said solar energy system is 52.8～54.8V, and the even charging voltage of said solar energy system is 55.4～57V; The even charging voltage default value of said mains system is 55.4V, and the float charge voltage default value of said mains system is 50.8V.
5. solar energy according to claim 3 and city's continuity method of supplying power to is characterized in that, in said step S3, saidly carry out the automatic management of mains system based on the information of obtaining from said solar energy system and further comprise:
Said mains system is obtained said solar energy system self check information from said solar energy system;
After treating that said solar energy system self check finishes, said mains system is carried out current limliting handle.
6. solar energy according to claim 3 and city's continuity method of supplying power to is characterized in that, in said step S3, saidly carry out the automatic management of mains system based on the information of obtaining from said solar energy system and further comprise:
Said mains system is carried out peak regulation so that the use amount of civil power to be set.
7. solar energy according to claim 1 and city's continuity method of supplying power to is characterized in that, in said step S3, said based on the information of obtaining from said mains system carry out solar energy system automatically management comprise:
S3a, said solar energy system obtain the charged state of said mains system from said mains system;
S3b, said solar energy system all fill or floating charge based on the charged state of the said mains system of obtaining, and wherein when mains system was all filled, solar energy system all filled thereupon, and when the mains system floating charge, said solar energy system is floating charge thereupon also.
8. described solar energy according to claim 7 and city's continuity method of supplying power to is characterized in that, in said step S3, saidly carry out the automatic management of solar energy system based on the information of obtaining from said mains system and further comprise:
Obtain the civil power access information from said mains system;
Based on said civil power access information, the said mains system of said solar energy system request allows said solar energy system self check;
After waiting to receive the information of the said solar energy system self check of permission that said mains system sends, said solar energy system carries out self check.
9. described solar energy according to claim 7 and city's continuity method of supplying power to is characterized in that, in said step S3, saidly carry out the automatic management of solar energy system based on the information of obtaining from said mains system and further comprise:
When the oily machine overcurrent of said solar energy system, said solar energy system is closed all photovoltaics;
Follow said solar energy system and get into exception handling procedure.
10. solar energy and civil power uninterruptible power supply system comprise solar energy system and mains system, it is characterized in that, said solar energy further comprises with the civil power uninterruptible power supply system and be used for the communication module that said solar energy system is communicated by letter with mains system,
Said solar energy system comprises solar powered module and solar energy monitoring module,
Said mains system comprises mains-supplied module and civil power monitoring module;
When said communication module operate as normal; Said civil power monitoring module obtains the information of said solar energy system through said communication module and carries out mains system based on the information of obtaining from said solar energy system and manage automatically, and said solar energy monitoring module obtains the information of said mains system through said communication module and carries out solar energy system based on the information of obtaining from said mains system and manage automatically;
When said communication module operation irregularity, said civil power monitoring module is set said mains system and is fixing floating charge state, and said civil power monitoring module is in the output current of the said mains system said mains system of current limliting during greater than the civil power current-limiting points.
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee after: Vitamin Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: Aimosheng Network Energy Source Co., Ltd. |