CN109617565A

CN109617565A - The circuit device and photovoltaic system of circuit module, multimode with communication function

Info

Publication number: CN109617565A
Application number: CN201910060838.2A
Authority: CN
Inventors: 高志勇; 吴国明; 刘涛
Original assignee: SHANGHAI SILLUMIN SEMICONDUCTOR Co Ltd
Current assignee: SHANGHAI SILLUMIN SEMICONDUCTOR Co Ltd
Priority date: 2018-12-26
Filing date: 2019-01-22
Publication date: 2019-04-12

Abstract

The present invention provides a kind of circuit modules with communication function, the circuit device and photovoltaic system of multimode, the serial communication between each concatenated circuit module of output may be implemented, in turn, it may not need and configure communication controller for each circuit module, effectively reduce cost, route is simplified, can be easy to maintenance and arrangement.Meanwhile for the case where ground is still floated in output series connection between circuit module each on series circuit, the present invention is also by enabling to the signal of serial transmission that can be more convenient for meeting the needs of communication and information processing to input, the level boost of output signal or reduction.

Description

The circuit device and photovoltaic system of circuit module, multimode with communication function

Technical field

The present invention relates to circuit field more particularly to the circuit dresses of a kind of circuit module with communication function, multimode It sets and photovoltaic system.

Background technique

Under electricity consumption scene, produced electricl energy respectively using multiple circuit modules, for example, in photovoltaic art, the circuit mould Block can such as photovoltaic module in turn can be in parallel between each circuit module, can also connect.Meanwhile also needed between each circuit module with External world's communication, the communication can transmission such as realizing controlling information, reporting information, each circuit module receiving letter After breath, information processing need to be carried out to information.

Under the application scenarios for being sequentially connected in series the positive-negative output end of circuit module, by the series connection of circuit module, it can make The voltage superposition of each circuit module is obtained, and then is conducive to increase whole output voltage, output power etc..

Existing series connection carries out the circuit module of power output in the related technology, and conventional communication modes are to each Grade needs the circuit module communicated, all configures independent communication controller, independent logical to carry out respectively to circuit modules at different levels News management, meanwhile, it needs using independent control circuit power supply and not altogether, the transmission of communication signal is generally required by optocoupler Then isolation processing is transmitted by wired or wireless mode to terminal network again.The shortcomings that general communication is to use The hardware such as communication power supply, controller and signal transmitting and receiving module it is very more, route is complicated, in addition matching used material is also very More, cost is very high, and the maintenance cost in later period is also very expensive, it is seen then that it will cause, and at high cost, route is complicated, and not The problem of easy to maintain and arrangement.

Summary of the invention

The present invention provides the circuit device and photovoltaic system of a kind of circuit module with communication function, multimode, with solution It is certainly at high cost, route is complicated, be not easy to maintenance with arrangement the problem of.

According to the first aspect of the invention, a kind of circuit module with communication function, including power output are provided Module, Communication processing submodule and information processing submodule, the power output submodule pass through positive output end and negative output terminal Other circuit modules are series at, the Communication processing submodule connects the information processing submodule；The information processing submodule Block, the Communication processing submodule, the circuit module interface module with the current potential of the negative output terminal be with reference to ground；

The Communication processing submodule by the interface module with concatenated rear stage adjacent circuit module communication, The Communication processing submodule is used for before issuing the first signal to the adjacent circuit module using the interface module, root According to the potential difference of the positive output end and the negative output terminal, promotion displacement is carried out to first signal, and: utilizing institute After stating the second signal that interface module receives the adjacent circuit module, according to the potential difference, to the second signal Reduction displacement is carried out, and the second signal reduced after shifting is sent to the information processing submodule.

Optionally, the interface module includes receiving interface and transmission interface, and the Communication processing submodule includes level Promoting shift unit and level reduces shift unit；It sends and connects described in one end direct or indirect connection of the level boost shift unit Mouthful, the level reduces receiving interface, the level boost shift unit and institute described in one end direct or indirect connection of shift unit Stating level reduces shift unit to be configured as its displacement amplitude associated with the potential difference；The level reduces the another of shift unit The other end of end and the level boost shifter, information processing submodule described in equal direct or indirect connection.

Optionally, the level boost shift unit and the level reduce shift unit and are also all connected with level offer circuit, The level provides circuit and is used to reduce shift unit offer high voltage power supply level to the level boost shift unit and the level, So that the level boost shift unit and the level, which reduce shift unit, carries out level shift according to the high voltage power supply level, The high voltage power supply level is determined according to the voltage of the power interface component of the circuit module and the potential difference.

Optionally, be configured as can be according to high voltage power supply electricity when promoting displacement for the level boost shift unit It is flat, the logic level of first signal is displaced to first interval；The minimum value of the first interval is the potential difference, institute The maximum value for stating first interval is the potential difference and the reference voltage the sum of determining according to the voltage of the power interface component；

The level reduction shift unit is configured as can be according to the high voltage power supply level when reducing displacement, will be described The logic level of first signal is displaced to second interval；The minimum value of the second interval is 0 volt, the maximum of the second interval Value is the reference voltage；

The first interval and the second interval are to be characterized with the current potential of the negative output terminal with reference to ground.

According to the second aspect of the invention, a kind of circuit device of multimode is provided, comprising: at least two-stage circuit mould Block, in addition to the circuit module at the highest level in at least two-stage circuit module, the positive output end of circuit module described in every level-one It is all connected with the negative output terminal of primary circuit module thereafter, at least two-stage circuit module is used to export electric energy to load；It is described Circuit module is reference ground with the current potential of the negative output terminal,

Wherein, in addition to the circuit module at the highest level, the high-end side interface component of circuit module described in every level-one connects Pass to the low side interface module of primary circuit module thereafter；

In addition to the circuit module at the highest level, each circuit module is also used to:

When producing the first low-side signal that need to be sent to rear stage circuit module after information processing, according to the circuit The positive output end of module and the potential difference of negative output terminal carry out promotion displacement to first low-side signal, it is high-end to obtain first Signal, and first high-side signal is sent to primary circuit module thereafter using its high-end side interface component, and/or:

When the high-end side interface component of the circuit module receives the second high-side signal for needing information processing, according to institute Potential difference is stated, reduction displacement is carried out to second high-side signal, is reduced rear low-side signal, then to low side after the reduction Signal carries out information processing.

Optionally, it is to be processed low to be that the circuit module receives low side interface module for first low-side signal It is generated after end signal progress information processing, or: first low-side signal is the circuit module to low after the reduction It is generated after end signal progress information processing.

Optionally, in addition to minimum primary circuit module, each circuit module is also used to:

When producing the second low-side signal that need to be sent to previous stage circuit module after information processing, its low side is utilized Second low-side signal is sent to its previous stage circuit module by interface module.

Optionally, it is to be processed low to be that the circuit module receives low side interface module for second low-side signal It is generated after end signal progress information processing, or: second low-side signal is the circuit module to low after the reduction It is generated after end signal progress information processing.

Optionally, the circuit module includes power output submodule, Communication processing submodule and information processing submodule； The information processing submodule, the power output submodule, the high-end side interface component and the low side interface module It is with reference to ground with the current potential of the negative output terminal of its affiliated circuit module；

The power output submodule of each circuit module passes through its positive output end and/or negative output terminal and other circuit moulds The power output submodule of block is connected；

Information processing submodule described in the Communication processing submodule direct or indirect connection, the information processing submodule Low side interface module described in direct or indirect connection, it is high-end described in the Communication processing submodule direct or indirect connection to flank Mouth component；

In addition to the circuit module at the highest level, the Communication processing submodule of every level-one circuit module is used to:

When the information processing submodule produces first low-side signal by information processing, according to the current potential Difference carries out promotion displacement to first low-side signal, obtains first high-side signal, and utilize the high-end side interface group First high-side signal is sent to primary circuit module thereafter by part；And/or:

When the high-end side interface component receives second high-side signal, according to the potential difference, to described Two high-side signals carry out reduction displacement, obtain the reduction low-side signal, and low-side signal after the reduction are sent to described Information processing submodule, so that the information processing submodule carries out information processing to low-side signal after the reduction.

Optionally, first low-side signal be the information processing submodule to low side interface module receive to It is generated after processing low-side signal progress information processing, or: first low-side signal is the information processing submodule pair It is generated after low-side signal progress information processing after the reduction.

Optionally, in addition to the minimum primary circuit module, the information processing submodule of each circuit module is also For:

When producing the second low-side signal that need to be sent to previous stage circuit module by information processing, its low side is utilized Second low-side signal is sent to its previous stage circuit module by side interface component.

Optionally, second low-side signal be the information processing submodule to low side interface module receive to It is generated after processing low-side signal progress information processing, or: second low-side signal is the information processing submodule pair It is generated after low-side signal progress information processing after the reduction.

Optionally, the high-end side interface component includes high-end side receiving interface and high end side transmission interface, the low side Side interface component includes low side receiving interface and low side transmission interface, and the Communication processing submodule includes that level boost moves Position device and level reduce shift unit；High end side described in one end direct or indirect connection of the level boost shift unit sends and connects Mouthful, one end of information processing submodule described in other end direct or indirect connection, the level reduction shift unit is direct or indirect Connect the high-end side receiving interface, information processing submodule described in other end direct or indirect connection, information processing Module is also connected with the low side receiving interface and the low side transmission interface, the level boost shift unit and the level It is associated with the potential difference that reduction shift unit is configured as its displacement amplitude.

Optionally, the Communication processing submodule further include power level provide circuit, the level boost shift unit with The level reduces shift unit and is all connected with the power level offer circuit, and the power level provides circuit and is used for the electricity The flat shift unit and the level of being promoted reduces shift unit and provides high voltage power supply level, and the high voltage power supply level is according to the electricity What the voltage of the power interface component of road module and the potential difference determined；

The level boost shift unit is configured as can be by the logic electricity of first low-side signal when promoting displacement Translational shifting is to first interval；The minimum value of the first interval is the potential difference, and the maximum value of the first interval is described Potential difference and the sum of the reference voltage determined according to the voltage of the power interface component；

The level reduction shift unit is configured as can be by the logic electricity of second high-side signal when reducing displacement Translational shifting is to second interval；The minimum value of the second interval is 0 volt, and the maximum value of the second interval is described with reference to electricity Pressure；

The first interval and the second interval are with the current potential of the negative output terminal of its affiliated circuit module for reference to ground It is characterized.

Optionally, the device further includes controller, and the communication interface of the controller is connected to one of any circuit The low side interface module of module；First low-side signal and/or second high-side signal are according to the controller What the control signal that communication interface issues directly or indirectly determined.

According to the third aspect of the invention we, a kind of photovoltaic system is provided, including second aspect and its optinal plan are related to Multimode circuit device, the circuit module is photovoltaic module or is correspondingly connected with the photovoltaic module.

The circuit device and photovoltaic system of circuit module provided by the invention with communication function, multimode, Ke Yishi The serial communication between concatenated circuit module is now respectively exported, in turn, may not need and configure Communication Control for each circuit module Device effectively reduces cost, simplifies route, can be easy to maintenance and arrangement.Simultaneously as the negative output terminal string of circuit module It is connected to the positive output end of adjacent circuit module, the reference ground generated is the positive output end of its previous stage adjacent circuit module Current potential, i.e., each circuit module is floating ground, and in information processing, each circuit module is made with the current potential of the negative output terminal of its own For with reference to carry out signal transmission and information processing, in turn, between circuit module each on series circuit output series connection but The case where being floating ground, the present invention also by the promotion or reduction to input, output signal, enable to the signal energy of serial transmission Enough it is more convenient for meeting the needs of communication and information processing.

Further, since the present invention is not necessarily to be each circuit module Configuration Control Unit, also can avoid between multiple controllers Interfering with each other between signal ensures the communication effect of signal.

In alternative embodiment of the present invention, concatenated communication modes are based on, the positioning of each circuit module can be easy to implement, together When, it is preferable that controller can be connected to one of any circuit module, flexibility.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other drawings based on these drawings.

Fig. 1 is the circuit theory schematic diagram of the circuit module in one embodiment of the invention with communication function；

Fig. 2 is the circuit theory schematic diagram of the circuit module in another embodiment of the present invention with communication function；

Fig. 3 is the circuit theory schematic diagram of the circuit module in further embodiment of this invention with communication function；

Fig. 4 is the circuit theory schematic diagram of the circuit module in yet another embodiment of the invention with communication function.

Description of symbols:

100- circuit module；

110- power output submodule；

120- Communication processing submodule；

121- level boost shift unit；

122- level reduces shift unit；

123- charge pump；

130- information processing submodule；

140- interface module；

141- transmission interface；

142- receiving interface；

150- positive output end；

160- negative output terminal；

170- power interface component；

180- buffer.

Fig. 5 is the circuit theory schematic diagram of the circuit device of multimode in one embodiment of the invention；

Fig. 6 is the circuit theory schematic diagram of the circuit device of multimode in another embodiment of the present invention；

Fig. 7 is the circuit theory schematic diagram of the circuit device of multimode in further embodiment of this invention；

Fig. 8 is the circuit theory schematic diagram of circuit module in Fig. 7 shown device；

Fig. 9 is the schematic illustration that displacement is promoted in one embodiment of the invention；

Figure 10 is the schematic illustration that displacement is reduced in one embodiment of the invention；

Figure 11 is the connection schematic diagram of the circuit device and controller of multimode in one embodiment of the invention；

Figure 12 is the connection schematic diagram of the circuit device and controller of multimode in another embodiment of the present invention.

Description of symbols:

200- circuit module；

The high-end side interface component of 210-；

The end side 211- high transmission interface；

The high-end side receiving interface of 212-；

220- low side interface module；

221- low side receiving interface；

222- low side transmission interface；

230- positive output end；

240- negative output terminal；

250- power output submodule；

260- Communication processing submodule；

261- level boost shift unit；

262- level reduces shift unit；

263- charge pump；

270- information processing submodule；

280- power interface component；

281- positive terminal；

282- negative pole end；

290- buffer；

300- load；

400- power supply；

500- controller.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage The data that solution uses in this way are interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to Here the sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, Be intended to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, product or setting It is standby those of to be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these mistakes The intrinsic other step or units of journey, method, product or equipment.

Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.

Fig. 1 is the circuit theory schematic diagram of the circuit module in one embodiment of the invention with communication function.

Referring to FIG. 1, the circuit module 100 with communication function, including power output submodule 110, Communication processing Module 120 and information processing submodule 130.

The power output submodule 110 is series at other circuit modules by positive output end 150 and negative output terminal 160, The circuit structure of other circuit modules can be identical as this circuit module, can also have from this circuit module 100 different.

The negative output terminal of one of them adjacent circuit module can be connect with the positive output end of circuit module 100, in turn, should Adjacent circuit module and the circuit module 100 can be regarded as can be in the current potential of information processing Shi Yiqi negative output terminal as ginseng Examine the circuit on ground.That is: the circuit module 100 can be made in information processing with the current potential of the negative output terminal of the circuit module 100 For with reference to ground；The adjacent circuit module also can in information processing using the current potential of the negative output terminal of the adjacent circuit module as With reference to ground.

In circuit module 100, the Communication processing submodule 120 connects the information processing submodule 130；The information It is with reference to ground that submodule 130, which is handled, with the current potential of the negative output terminal.It for example can be regarded as: in circuit module 100, if one A current potential is identical relative to the potential difference of the earth as the current potential of the negative output terminal relative to the potential difference of the earth, then circuit module The current potential in 100 can regard ground connection as, in turn, can correspond to 0 volt of logic level.

As it can be seen that in the present embodiment, the information processing submodule 130, the Communication processing submodule 120, the circuit The interface module 140 of module is with reference to ground with the current potential of the negative output terminal.

In the present embodiment, the Communication processing submodule 120 by interface module 140 with concatenated rear stage it is adjacent Circuit module communication, the communication can have incoming traffic and outputting communication.

As it can be seen that the serial communication between each circuit module may be implemented in the present embodiment, in turn, may not need as each circuit Module configures communication controller, effectively reduces cost, simplifies route, can be easy to maintenance and arrangement.

The Communication processing submodule 120 is used to issue the adjacent circuit module using the interface module 140 Before first signal, according to the potential difference of the positive output end 150 and the negative output terminal 160, first signal is carried out Promote displacement.

First signal therein, can for arbitrarily with the negative output terminal of this circuit module 100 be with reference to ground and determination is patrolled Collect level signal.When sending it to adjacent circuit module, since adjacent circuit module is made with the current potential of its negative output terminal For with reference to ground, i.e., the adjacent circuit module be using the current potential of the positive output end 150 of this circuit module 100 be used as with reference to ground, so, It is shifted by promotion referred to above, the signal that adjacent circuit module receives is really with the negative output of the adjacent circuit module For the current potential at end as with reference to ground, the signal after promotion displacement can meet the adjacent circuit module, i.e. rear stage circuit module Demand when receiving and information processing.

The Communication processing submodule 120 is also used to receiving the adjacent circuit module using the interface module After second signal, according to the potential difference, reduction displacement is carried out to the second signal, and the second letter after shifting will be reduced Number it is sent to the information processing submodule.

Second signal therein, can be for arbitrarily with adjacent circuit module, i.e. the negative output terminal of rear stage circuit module be The logic level signal of determination with reference to ground.When sending it to this circuit module 100, due to bearing for this circuit module 100 The current potential of output end 160 is used as with reference to ground, so, it is shifted by reduction referred to above, it is right that this circuit module 100 can be met Signal receives the demand with information processing.

Potential difference referred to above also is understood as power output submodule 110 and utilizes positive output end 150 and negative output The voltage of 160 output of end, the i.e. output voltage of circuit module 100.

As it can be seen that since the negative output terminal of circuit module is serially connected with the positive output end of adjacent circuit module, the reference generated Ground is the current potential of the positive output end of its previous stage adjacent circuit module, and each circuit module is floating ground, in signal transmitting and receiving and letter Breath processing when, each circuit module using the current potential of the negative output terminal of its own be used as with reference to ground, in turn, the present invention also by Promotion displacement is carried out before issuing signal, and first reduces displacement after receiving signal and does information processing again, enables to serially pass Defeated signal can be more convenient for meeting the needs of communication and information processing.

Fig. 2 is the circuit theory schematic diagram of the circuit module in another embodiment of the present invention with communication function.

In one of embodiment, referring to FIG. 2, the interface module 140 includes receiving interface 142 and transmission interface 141, the Communication processing submodule 120 includes that level boost shift unit 121 and level reduce shift unit 122；The level mentions Transmission interface 141 described in one end direct or indirect connection of shift unit 121 is risen, one end that the level reduces shift unit 122 is straight The receiving interface 142 is connect or is indirectly connected with, the level boost shift unit 121 reduces shift unit 122 with the level and matched It is associated with the potential difference to be set to its displacement amplitude；The level reduces the other end of shift unit 122 and the level mentions Rise the other end of shifter 121, information processing submodule 130 described in equal direct or indirect connection.

Wherein, displacement amplitude is associated with potential difference, may include the case where displacement amplitude is the potential difference, can also wrap The case where separately processing based on potential difference is included, such as may also be combined with other signals, information, electrical parameter and determine the displacement amplitude, only It is associated with potential difference to shift amplitude, so that it may can be with the negative output terminal of affiliated circuit module when being conducive to information processing Current potential be with reference to ground on the basis of, logic level is determined, the description of present embodiment is not just departed from.

As it can be seen that the present embodiment is formed using transmission interface 141 and level boost shift unit 121 to rear stage adjacent circuit mould Block sends the transmission path of signal, and reduces shift unit 122 using receiving interface 142 and level and formed to upper level adjacent circuit The receiving path of module reception signal.

The level boost shift unit 121 and level reduce shift unit 122, and any achievable logic level displacement can be used Circuit structure.

Fig. 3 is the circuit theory schematic diagram of the circuit module in further embodiment of this invention with communication function.

Referring to FIG. 3, the level boost shift unit 121, which reduces shift unit 122 with the level, is also all connected with a power supply Level provides circuit, and it may include charge pump 123, such as the power level of the charge pump 123 which, which provides circuit, Circuit is provided to be used to reduce the offer high voltage power supply level of shift unit 122 to the level boost shift unit 121 and the level, with So that the level boost shift unit 121, which reduces shift unit 122 with the level, carries out level according to the high voltage power supply level Displacement.

The high voltage power supply level is the voltage and the electricity of the power interface component 170 according to the circuit module What potential difference determined.Such as can for the voltage of voltage difference and power interface component and, then for example can be voltage difference and basis The sum for the reference voltage that the voltage of power interface component determines.

The voltage of power interface component 170, charge are learned for the ease of the power level offer circuit of such as charge pump 123 Pump 123 can connect power interface component 170, can also be indirectly connected with power interface component 170.It is learned for the ease of charge pump 123 Potential difference, the charge pump 123 can also direct or indirect connection power output submodule 110, can also direct or indirect connection it is just defeated Outlet 150 and negative output terminal 160.In other optional embodiments, charge pump 123 can also be preset by voltage source input one The voltage to match with potential difference.

In order to accurately determine the displacement amplitude of logic level, necessarily can satisfy the need of information processing after guarantee displacement It asks, the shift configuration for reducing shift unit 122 with level to level boost shift unit 121 below is specifically arranged.

In one of embodiment, the level boost shift unit 121 is configured as being capable of basis when promoting displacement The logic level of first signal is displaced to first interval by the high voltage power supply level；The minimum value of the first interval For the potential difference, the maximum value of the first interval is that the potential difference is determined with according to the voltage of the power interface component The sum of reference voltage.

The level reduction shift unit 122 is configured as can be according to the high voltage power supply level when reducing displacement, will The logic level of first signal is displaced to second interval；The minimum value of the second interval is 0 volt, the second interval Maximum value is the reference voltage.

Wherein, the first interval and the second interval are with the current potential of the negative output terminal to be characterized with reference to ground 's.That is:

The minimum value of the first interval designated herein is the potential difference, refers to the current potential and this electricity of the minimum value Potential difference between the negative output terminal 160 of road module 100, i.e. voltage, for this circuit module 100 positive output end 150 with bear it is defeated Potential difference between outlet 160, the i.e. output voltage of this circuit module.It can be convenient for the information processing of adjacent circuit module.

The maximum value of the first interval designated herein is the potential difference and the electricity according to the power interface component Determining the sum of reference voltage is pressed, refers to the electricity between the current potential of the maximum value and the negative output terminal 160 of this circuit module 100 Potential difference is the sum of potential difference and reference voltage between the positive output end 150 and negative output terminal 160 of circuit module 100, that is, exports The sum of voltage and reference voltage.It can be convenient for the information processing of adjacent circuit module.

The minimum value of the second interval designated herein is 0 volt, refers to the current potential and this circuit module of the minimum value The current potential of 100 negative output terminal 160 is identical.It can be handled convenient for the information sent to adjacent circuit module.

The maximum value of the second interval designated herein is the potential difference, refers to the current potential and this electricity of the maximum value Potential difference between the negative output terminal 160 of road module 100, the as described reference voltage.It can be convenient for adjacent circuit module hair The information sent is handled.

Referring to FIG. 4, buffer 180 can be equipped between transmission interface 141 and level boost shift unit 121, it is appreciated that For high-end output buffer；Receiving interface 142 and level, which reduce, can also be equipped with buffer 180 between shift unit 122, be appreciated that For high-end input buffer.

Buffer 180 referred to above can be arbitrary CMOS logic chain buffer.

In conclusion the circuit module provided in this embodiment with communication function, may be implemented between each circuit module Serial communication, in turn, may not need for each circuit module configure communication controller, effectively reduce cost, simplify line Road can be easy to maintenance and arrangement.Simultaneously as the negative output terminal of circuit module is serially connected with the positive output of adjacent circuit module End, the reference ground generated are the current potential of the positive output end of its previous stage adjacent circuit module, i.e., each circuit module is floating ground , in information processing, each circuit module using the current potential of the negative output terminal of its own as with reference to carry out signal transmission with Information processing, in turn, for the case where ground is still floated in output series connection between circuit module each on series circuit, the present invention is also logical Promotion or reduction to input, output signal are crossed, enables to the signal of serial transmission that can be more convenient for meeting communication and information The demand of processing.

Fig. 5 is the circuit theory schematic diagram of the circuit device of multimode in one embodiment of the invention.

Referring to FIG. 5, the circuit device of multimode, comprising: at least two-stage circuit module 200, in addition at least two-stage The positive output end of circuit module at the highest level in circuit module, circuit module described in every level-one is all connected with primary circuit mould thereafter The negative output terminal of block, at least two-stage circuit module are used to export electric energy to load 300.The circuit module 300 is with described The current potential of negative output terminal is with reference to ground.

Each circuit module 200 increases the defeated of entirety by connecting the series connection, it can be achieved that output voltage above Voltage, output power etc. out.As it can be seen that circuit module 200 involved in the present embodiment can be regarded as to export the electricity of electric energy Road module, i.e., with the circuit module of ability to communicate, power output ability and information processing capability.

The highest level circuit module can refer to that its positive output end is not necessarily to connect the circuit module of other circuit modules.

Wherein, in addition to the circuit module at the highest level, the high-end side interface component of circuit module 200 described in every level-one 210 are connected to the low side interface module 220 of primary circuit module thereafter.

High-end side interface component 210, it will be appreciated that for being used for for circuit module 200 and connecing for primary circuit module communication thereafter Mouth component, the current potential of the negative output terminal of the rear stage circuit module is the current potential of the positive output end of the circuit module.

Low side interface module 220, it will be appreciated that be the interface for being communicated with previous stage circuit module of circuit module 200 Component, the current potential of the positive output end of the previous stage circuit module are the current potential of the negative output terminal of the circuit module.

By high-end side interface component 210 and low side interface module 220, can make can between adjacent circuit module To realize communication.Such as the high-end of first circuit module can be passed through between first circuit module and second circuit module The low side interface module 220 of side interface component 210 and second circuit module, which is realized, to be communicated, and can be Direct Communication, together When be also not excluded for the embodiment communicated indirectly.And so on, it can be achieved that multi-level pmultistage circuit module being sequentially connected and communicating.

Interface module referred to above can be not limited to connect with circuit module, for example, being connected with the circuit mould of controller Block can be realized by its low side interface module 220 and controller and be communicated, can be Direct Communication, while being also not excluded for The embodiment communicated indirectly.

Based on the above communication modes, the unmatched situation of logic level can be generated, below with first circuit module, with And it is described for second circuit module of connection thereafter:

The low side interface module of first circuit module, altogether with the circuit module, the also as reference of information processing Ground, so, the logic level range of information processing may be characterized as: 0~V_IN1.V therein_IN1It can be first circuit module The voltage of power supply.

The positive output end of first circuit module and the negative output terminal of second circuit module, i.e. ground terminal are connected, therefore, the The low side interface module of two circuit modules, altogether with the circuit module, the reference ground of also as information processing, so, information The logic level range of processing may be characterized as: V_OUT1~V_OUT1+V_IN2；V therein_OUT1It can be the output of first circuit module Voltage, the i.e. potential difference of its positive output end and negative output terminal, V_IN2It can be the voltage of the power supply of second circuit module.

As it can be seen that the high-end side interface component of first circuit module, is that the low side directly with second circuit module flanks Mouth component is connected, it is necessary to meet logic level area requirement, it may be assumed that V_OUT1~V_OUT1+V_IN2。

Therefore, the low side and high-side signal of each module, if to realize the communication of front stage, it is necessary to carry out level shifting Position.

In addition to the circuit module at the highest level, each circuit module 200 is also used to:

When producing the first low-side signal that need to be sent to rear stage circuit module after information processing, according to the circuit The positive output end 230 of module 200 and the potential difference of negative output terminal 240, carry out promotion displacement to first low-side signal, obtain First high-side signal, and first high-side signal is sent to primary circuit mould thereafter using its high-end side interface component 210 Block.

First low-side signal can be the circuit module and believe the low side to be processed that low side interface module receives It is generated after number carrying out information processing, which for example can be the sending of other circuit modules, be also possible to What controller issued.

Each circuit module 200 is also used to: being received in the high-end side interface component 210 of the circuit module 200 When to the second high-side signal for needing information processing, according to the potential difference, reduction displacement is carried out to second high-side signal, is obtained Low-side signal after to reduction, then information processing is carried out to low-side signal after the reduction.

First low-side signal referred to above is also possible to the circuit module and carries out to low-side signal after the reduction It is generated after information processing.

Second high-side signal can be the sending of other circuit modules, meanwhile, it is second high that the present embodiment is also not excluded for this End signal is that other component issues, which can such as host computer, sensing equipment, controller etc..

As it can be seen that the above optional embodiment can be related to following several transmission paths:

The first, low side interface module receives low-side signal to be processed, circuit module to low-side signal to be processed into Row information processing, obtains the first low-side signal, the first high-side signal is obtained after carrying out promotion displacement to the first low-side signal, in benefit The first high-side signal is sent to rear stage circuit module with high-end side interface component；

Second, high-end side interface component receives the second high-side signal, and the second high-side signal drops in circuit module Low displacement is reduced rear low-side signal, the first low-side signal can be obtained after carrying out information processing to low-side signal after reduction, so Afterwards, referring to the first transmission path, the first high-side signal is obtained after carrying out promotion displacement to the first low-side signal, is utilizing height First high-side signal is sent to rear stage circuit module by end side interface module.

In one of embodiment, in addition to minimum primary circuit module, each circuit module is also used to:

Wherein, second low-side signal can be the circuit module low side interface module is received it is to be processed It is generated after low-side signal progress information processing, is also possible to the circuit module and information is carried out to low-side signal after the reduction It is generated after processing.

As it can be seen that the above optional embodiment further can be related to following several transmission paths:

The third, low side interface module receive low-side signal to be processed, circuit module to low-side signal to be processed into Row information processing, obtains the second low-side signal, recycles low side interface module that the second low-side signal is sent to previous stage electricity Road module；

4th kind, high-end side interface component receive the second high-side signal, the second high-side signal drops in circuit module Low displacement is reduced rear low-side signal, and the second low-side signal can be obtained after carrying out information processing to low-side signal after reduction, then The second low-side signal is sent to previous stage circuit module using low side interface module.

It is independently generated by information processing in addition, the first low-side signal and the second low-side signal are also possible to circuit module , such as automatically generated according to the detection part etc. connected, and it is not based on what received signal generated.

The quantity of circuit module referred to above can be at least two, and in turn, circuit module, which only can have to be promoted, to be moved The function of position, or only have the function of reducing shifting, in another embodiment, there can also be promotion displacement simultaneously and reduce shifting Bit function.

Circuit module referred to above can be a kind of application of circuit module involved by Fig. 1 to Fig. 4 illustrated embodiment Scene under the application scenarios, can meet the circuit device under multiple circuit modules series connection, so, Fig. 1 to Fig. 4 illustrated embodiment Technical characteristic, optional embodiment, technical effect of described circuit module etc. can be applied to the present embodiment, and then make Obtaining circuit device involved in the present embodiment also has corresponding technical characteristic, optional embodiment and technical effect etc..

Fig. 6 is the circuit theory schematic diagram of the circuit device of multimode in another embodiment of the present invention.

Referring to FIG. 6, and combination Fig. 1 to Fig. 4 illustrated embodiment, the circuit module 200 include power output submodule 250, Communication processing submodule 260 and information processing submodule 270；The information processing submodule 270, power output Module 250, the Communication processing submodule 260, the high-end side interface component 210 and the low side interface module 220 are equal It can be with reference to ground with the current potential of the negative output terminal 240 of its affiliated circuit module 200.

The power output submodule 250 of each circuit module 200 passes through its positive output end 230 and/or negative output terminal 240 It connects with the power output submodule of other circuit modules.It is former for the connection type of power output submodule 250, and effect Reason can be the circuit part that arbitrarily can produce electric energy.Such as it can be photovoltaic module, or connection photovoltaic module.

Information processing submodule 270 described in 260 direct or indirect connection of Communication processing submodule, the information processing Low side interface module 220 described in 270 direct or indirect connection of submodule, the Communication processing submodule 260 is directly or indirectly Connect the high-end side interface component 210.

Information processing submodule 270 can be the processing circuit arbitrarily handled information, can also be with other portions The connection such as part, device, device, equipment, in turn, can carry out control processing or right to those components, device, device, equipment etc. The information that those components, device, device, equipment etc. are sent carries out information processing.Meanwhile the process of information processing can also fit In the demand of serial communication, for example, can based on communications protocol to signal information loaded carry out information processing, or to signal itself into Row processing.

As it can be seen that the function of information processing submodule 270, i.e. information processing involved in the present embodiment context, Ke Yiwei Based on control and any processing for the purpose of information transmitting, it is enumerated below, it is believed that the content of information processing is not It is limited to be exemplified below:

Communication Control agreement and processing information；

The reception of signal and the parsing of signal；

According to the signal acquisition control instruction of parsing, control chip oneself state is controlled；

The control information of control chip itself is obtained, then carries out communication transmitting after the information processings such as such as format conversion；

It controls chip itself and generates any required information by communication transmitting；

For the information that needs transmit, after being handled according to communication protocol standard, the letter for needing to transmit and communicate is generated Number；

Transmitting, parsing and the processing of address code information and alignment code information；

In addition, information processing submodule can also be used and complete the forwarding of information, lattice when only playing the role of information transmitting Formula transformation etc..

Control chip referred to above can be regarded as some or all of circuit module.

No matter being retouched as it can be seen why handling information all without departing from the function of information processing submodule 270 It states.

In addition, how the creative contribution of the present embodiment carries out information processing if not being lain in, and it is to before information processing Communication processing is carried out with signal later, so, the present embodiment is not required to that the process of information processing is described.Meanwhile ability Field technique personnel are based on the feature of circuit module institute's application scenarios and serial communication, can produce arbitrary information processing side Formula, it may be assumed that even if information processing is not specifically described, the feelings that will not cause scheme involved in the present embodiment that can not implement Condition.

In other words, various information processings enumerated above may be based on the existing common knowledge in this field and usual skill Art means are realized, such as can the information process under other scenes be applied under scene involved in the present embodiment, and Can not generate in the application process need to make the creative labor the obstacle that can just overcome.Meanwhile the optinal plan of the present embodiment Also it is not excluded for the scheme just generated through creative work on this basis.

In addition to the circuit module at the highest level, the Communication processing submodule 260 of every level-one circuit module is used to:

When the information processing submodule 270 produces first low-side signal by information processing, according to described Potential difference carries out promotion displacement to first low-side signal, obtains first high-side signal, and high-end is flanked using described First high-side signal is sent to primary circuit module thereafter by mouth component 210, and/or:

When the high-end side interface component 210 receives second high-side signal, according to the potential difference, to described Second high-side signal carries out reduction displacement, obtains low-side signal after the reduction, and low-side signal after the reduction is sent to The information processing submodule 270, so that the information processing submodule 270 is carrying out letter to the low-side signal to be processed Breath processing.

In one of embodiment, first low-side signal is that the information processing submodule 270 flanks low side It is generated after the low-side signal to be processed progress information processing that mouth component 220 receives, or: first low-side signal is institute It states after information processing submodule 270 carries out information processing to low-side signal after the reduction and generates.

In one of embodiment, in addition to the minimum primary circuit module, at the information of each circuit module Reason submodule 270 is also used to:

When producing the second low-side signal that need to be sent to previous stage circuit module by information processing, its low side is utilized Second low-side signal is sent to its previous stage circuit module by side interface component 220.

In one of embodiment, second low-side signal is that the information processing submodule 270 flanks low side It is generated after the low-side signal to be processed progress information processing that mouth component 220 receives, or: second low-side signal is institute It states after information processing submodule carries out information processing to low-side signal after the reduction and generates.

In one of embodiment, the high-end side interface component 210 includes high-end side receiving interface 212 and high end side Transmission interface 211, the low side interface module 220 include low side receiving interface 221 and low side transmission interface 222.

The Communication processing submodule 260 includes that level boost shift unit 261 and level reduce shift unit 262；The electricity High end side transmission interface 211 described in the flat one end direct or indirect connection for promoting shift unit 261, other end direct or indirect connection The information processing submodule 270, the level, which reduces, high-end described in one end direct or indirect connection of shift unit 262 flanks receipts Interface 212, information processing submodule 270 described in other end direct or indirect connection, the information processing submodule 270 are also connected with The low side receiving interface 221 and the low side transmission interface 222, the level boost shift unit 261 and the level It is associated with the potential difference that reduction shift unit 262 is configured as its displacement amplitude.

Referred to above is associated, and the associated description that can refer in Fig. 1 to Fig. 4 illustrated embodiment understands.

Fig. 7 is the circuit theory schematic diagram of the circuit device of multimode in further embodiment of this invention；Fig. 8 is shown in Fig. 7 The circuit theory schematic diagram of circuit module in device.

Fig. 7 and Fig. 8 are please referred to, the Communication processing submodule 260 further includes that power level provides circuit, is specifically as follows Charge pump 263 also is understood as a kind of booster circuit, and to generate high voltage power supply level by boosting, the level boost is moved Position device 261 and the level reduce the power level offer circuit that shift unit 262 is all connected with for example described charge pump 263, such as The power level of the charge pump 263 provides circuit and is used to reduce displacement with the level to the level boost shift unit 261 Device 262 provides high voltage power supply level, and the high voltage power supply level is the power interface component 280 according to the circuit module 200 Voltage and the potential difference determine, the potential difference refer to belonging to circuit module 200 positive output end 230 with bear it is defeated Potential difference between outlet 240, the i.e. output voltage of circuit module 200.

The level boost shift unit 261 is configured as can be by the logic of first low-side signal when promoting displacement Level shift is to first interval；The minimum value of the first interval is the potential difference, and the maximum value of the first interval is institute The sum of the reference voltage stating potential difference and being determined according to the voltage of the power interface component.

The level reduction shift unit 262 is configured as can be by the logic of second high-side signal when reducing displacement Level shift is to second interval；The minimum value of the second interval is 0 volt, and the maximum value of the second interval is described with reference to electricity Pressure.

Reference voltage therein can be the voltage of power interface component itself, be also possible to power interface component What voltage obtained after being handled, such as: if with V_INCharacterize the voltage of power interface component, then, V_INIt is above common 5V's When cmos voltage, it is also necessary to the voltage V of power interface component_INPortion is depressurized to 5V or 3.3V in the chip, to meet low pressure The work requirements and reduction chip area of cmos circuit.After i.e. reference voltage can be to the voltage step-down of power interface component Determining voltage.

Power supply of the 5V itself or after it is depressurized to 3.3V, can support low side interface module and interlock circuit to work, After carrying out promotion displacement, V_OUT+ 3.3V or V_OUTThe power supply of+5V can support high-end side interface component and interlock circuit to work.

Wherein, it can refer to the description reason in Fig. 1 to Fig. 4 illustrated embodiment in relation to charge pump, first interval and second interval Solution.

In addition, charge pump can connect power interface component 280, the positive terminal 281 and negative pole end of the power interface component 280 282 may connect to the both ends of power supply 400.

Fig. 9 is the schematic illustration that displacement is promoted in one embodiment of the invention；Figure 10 is reduced in one embodiment of the invention The schematic illustration of displacement.

Please refer to Fig. 9 and Figure 10, V therein_outCan be regarded as the output voltage of circuit module, i.e., positive output end with bear it is defeated The potential difference of outlet, V therein_inIt can be regarded as the voltage of the power supply of circuit module, that is, connect the power interface component of power supply 400 280 voltage.

It, can be by [0, V when promoting displacement_in] second interval logic level, promoted displacement be [V_out, V_out+V_in] The logic level of first interval, conversely, when reducing displacement, it can be by [V_out, V_out+V_in] first interval logic level, drop Low displacement is [0, V_in] second interval logic level.

As it can be seen that the power supply that can satisfy between adjacent serial module structure is matched with the conversion of logic level by handling above, After conversion matching, floating ground serial communication can be realized.

Please refer to Fig. 7 and Fig. 8, wherein the negative output terminal 240 of first circuit module can connect the earth, the i.e. current potential at the end It is identical as the earth.

In one of embodiment, between information processing submodule 270 and low side receiving interface 221, information processing Between submodule 270 and low side transmission interface 222, between level reduction shift unit 262 and high-end side receiving interface 212, with And between level boost shift unit 261 and high end side transmission interface 211, it is respectively equipped with buffer 290.

Figure 11 is the connection schematic diagram of the circuit device and controller of multimode in one embodiment of the invention；Figure 12 is this hair The circuit device of multimode and the connection schematic diagram of controller in bright another embodiment.

Figure 11 and Figure 12 are please referred to, the device further includes controller 500, and the communication interface of the controller 500 connects Pass to the low side interface module 220 of one of any circuit module 200；First low-side signal and/or described second high-end Signal is that the control signal issued according to the communication interface of the controller directly or indirectly determines.

In one of embodiment, Figure 11 is please referred to, the low side that controller 500 is connected to first circuit module flanks Mouth component 220 is directed to first circuit module in turn, and the first low-side signal that low side interface module 220 receives is What the controller 500 was sent.

In another embodiment, Figure 12 is please referred to, controller 500 is also connected to any of non-first circuit module One of circuit module low side interface module 220, in addition, controller 500 is also connected to the height arbitrarily to a circuit module End side interface module 210.

Controller referred to above can refer to the device dedicated for control, equipment, can also refer to that other can be used for Terminal, the equipment of control.The controller can also be powered by its corresponding communication power supply.

As it can be seen that circuit module all on series circuit, can only configure a controller and its corresponding one logical Interrogating power supply compared to the prior art can effectively save hardware cost.

In specific implementation process, based on the content of previously recited information processing, what information processing submodule 270 was done The content of information processing can be refined further and be enumerated are as follows: including at least one of: address/location information, is answered at data information Answer/handshake, check code etc..

Location information referred to above can such as alignment code, if information processing that information processing submodule 270 is done Content includes alignment code, then: information processing submodule 270 can be specifically used for taking receiving from low side interface module 220 Signal with alignment code and after parsing and determining alignment code therein, it is known that the alignment code of current circuit module is what this was parsed Alignment code, then can carry out one-accumulate to it, and by carry it is cumulative after alignment code signal through level boost shift unit 261 with High-end side interface component 210 is sent to the latter circuit module, can also carry out to it tired equally after determining self poisoning code Add, then needs circuit module to transmit backward.The process of its transmission communication is naturally in a manner of the Communication processing involved in the present embodiment What reason was realized.

Similar therewith, information processing submodule 270 can also be specifically used for receiving from high-end side interface component 210 After carrying the signal of alignment code, level reduced to it and parsing and determine alignment code therein, it is known that current circuit module is determined Position code is the alignment code parsed, a regressive then can be carried out to it, and by the signal of alignment code after carrying regressive through low End side interface module 220 is sent to previous circuit module, can also carry out to it tired equally after determining self poisoning code Subtract, then needs circuit module to transmit backward.The process of its transmission communication is naturally in a manner of the Communication processing involved in the present embodiment What reason was realized.

Such as: if the low side interface module 220 of first circuit module connects controller, and the initial setting of alignment code Value is Add+0, then:

When controller 500 and first circuit module are communicated, alignment code is sent, first circuit module parsing is fixed After the code of position, it can the alignment code for knowing this current first circuit module is Add+0；After the completion of processing, alignment code is added up, It is accumulated as Add+1, is continued to the latter circuit module, i.e. second circuit module transmission；Second circuit module receives simultaneously After parsing alignment code, that is, it may know that the alignment code of this current second circuit module is Add+1；After the completion of processing, by alignment code Cumulative, that is, added up Add+2, continues to the latter circuit module, i.e. third circuit module transmits；And so on, Ke Yixiang More higher level's modules are positioned.

Again for example: if the circuit module of connection controller 500 is the circuit module of other non-first circuit modules, such as Third circuit module, and alignment code initial value is set as Add+0, then:

When controller 500 and third circuit module are communicated, alignment code is sent, the parsing of third circuit module is fixed After the code of position, it can the alignment code for knowing this current third circuit module is Add+0；After the completion of processing, alignment code is added up, It is accumulated as Add+1, continues to transmit to the 4th circuit module.After 4th circuit module receives and parses alignment code To know the alignment code of current 4th circuit module for Add+1；After the completion of processing, alignment code is added up, that is, is accumulated as Add+ 2, continue to transmit to the 5th circuit module of the latter；And so on, it can be positioned to more higher level's circuit modules.

Similarly, alignment code can also be transmitted downwards by Subordinate module, and alignment code is successively decreased at this time, for example, if third is electric The alignment code of road module is confirmed as Add+0, then the alignment code of second circuit module can be determined that Add-1, and first The alignment code of circuit module is Add-2.And so on, it can be positioned to more Subordinate modules.

And so on, by the cumulative and transmitting of alignment code, it is fixed to realize to any previous module on series circuit Position.

So the present embodiment can carry out position control to any circuit module on series circuit, do not need to circuit Module itself carries out additional hardware configuration, further saves cost, meanwhile, controller can be from any on series circuit Circuit module access, use are very flexible.

In addition, the present embodiment and its each optinal plan to communications protocol itself without any restrictions, support all single lines, Two-wire or multi-thread communications protocol.Moreover, the present embodiment and its optinal plan can produce few hardware cost investment and safeguard at This, and then the control requirement of Internet of Things rank can be easy to implement.

The application range of serial communication involved in the present embodiment may include but be not limited to the following contents:

The communication of all series circuit application fields, transmitting, reception and control including signal.

Realize fixed point, timing, real-time control, monitoring and the signal acquisition etc. of serial module structure.

In conjunction with controller and network terminal communication, realizes the intelligent communication of serial module structure, manages and controls.

The present embodiment additionally provides a kind of photovoltaic system, the circuit device including the multimode that the above optinal plan is related to, The circuit module is photovoltaic module or is correspondingly connected with the photovoltaic module.

In conclusion the circuit device and photovoltaic of the circuit module provided in this embodiment with communication function, multimode The serial communication between each circuit module may be implemented in system, in turn, may not need and configures Communication Control for each circuit module Device effectively reduces cost, simplifies route, can be easy to maintenance and arrangement.Simultaneously as the negative output terminal string of circuit module It is connected to the positive output end of adjacent circuit module, the reference ground generated is the positive output end of its previous stage adjacent circuit module Current potential, i.e., each circuit module is floating ground, and in information processing, each circuit module is made with the current potential of the negative output terminal of its own For with reference to carry out information processing, in turn, the present invention before issuing signal also by carrying out promotion displacement, and is receiving signal Displacement is first reduced afterwards and does information processing again, enables to the signal of serial transmission that can be more convenient for meeting communication and information processing Demand.

Further, since the present embodiment be not necessarily to be each circuit module Configuration Control Unit, also can avoid multiple controllers it Between interfering with each other between signal, ensure the communication effect of signal.

In the present embodiment optional embodiments, concatenated communication modes are based on, the positioning of each circuit module can be easy to implement, Meanwhile can be connected to one of any circuit module, flexibility preferable for controller.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of circuit module with communication function, including power output submodule, Communication processing submodule and information processing Submodule, the power output submodule are series at other circuit modules, the mailing address by positive output end and negative output terminal It manages submodule and connects the information processing submodule；The information processing submodule, the Communication processing submodule, the circuit The interface module of module is with reference to ground with the current potential of the negative output terminal；It is characterized in that,

The Communication processing submodule by the interface module with concatenated rear stage adjacent circuit module communication, it is described Communication processing submodule is used for before issuing the first signal to the adjacent circuit module using the interface module, according to institute The potential difference for stating positive output end Yu the negative output terminal carries out promotion displacement to first signal, and: it connects described in the utilization After mouth component receives the second signal of the adjacent circuit module, according to the potential difference, the second signal is carried out Displacement is reduced, and the second signal reduced after shifting is sent to the information processing submodule.

2. module according to claim 1, which is characterized in that the interface module includes receiving interface and transmission interface, The Communication processing submodule includes that level boost shift unit and level reduce shift unit；One end of the level boost shift unit Transmission interface described in direct or indirect connection, the level reduces to be connect described in one end direct or indirect connection of shift unit Mouthful, it is related with the potential difference that the level boost shift unit and the level reduction shift unit are configured as its displacement amplitude Connection；The level reduces the other end of shift unit and the other end of the level boost shifter, equal direct or indirect connection The information processing submodule.

3. module according to claim 2, which is characterized in that the level boost shift unit and the level are reduced and shifted Device is also all connected with a power level and provides circuit, and the level provides circuit and is used for the level boost shift unit and the electricity The low shift unit of pancake provides high voltage power supply level so that the level boost shift unit and the level reduce shift unit according to The high voltage power supply level carries out level shift, and the high voltage power supply level is the power interface component according to the circuit module Voltage and the potential difference determine.

4. module according to claim 3, which is characterized in that the level boost shift unit is configured as promoting displacement When the logic level of first signal can be displaced to first interval according to the high voltage power supply level；Firstth area Between minimum value be the potential difference, the maximum value of the first interval be the potential difference with according to the power interface component The sum of the reference voltage that determines of voltage；

The level reduction shift unit is configured as can be according to the high voltage power supply level, by described first when reducing displacement The logic level of signal is displaced to second interval；The minimum value of the second interval is 0 volt, and the maximum value of the second interval is The reference voltage；

5. a kind of circuit device of multimode, comprising: at least two-stage circuit module, in addition in at least two-stage circuit module The positive output end of circuit module at the highest level, circuit module described in every level-one is all connected with the negative output of primary circuit module thereafter End, at least two-stage circuit module are used to export electric energy to load；The circuit module is with the current potential of the negative output terminal With reference to ground, which is characterized in that

Wherein, in addition to the circuit module at the highest level, the high-end side interface component of circuit module described in every level-one is connected to Thereafter the low side interface module of primary circuit module；

When producing the first low-side signal that need to be sent to rear stage circuit module after information processing, according to the circuit module Positive output end and negative output terminal potential difference, promotion displacement is carried out to first low-side signal, obtains the first high-side signal, And first high-side signal is sent to primary circuit module thereafter using its high-end side interface component, and/or:

When the high-end side interface component of the circuit module receives the second high-side signal for needing information processing, according to the electricity Potential difference carries out reduction displacement to second high-side signal, is reduced rear low-side signal, then to low-side signal after the reduction Carry out information processing.

6. device according to claim 5, which is characterized in that first low-side signal is the circuit module to low side It is generated after the low-side signal to be processed progress information processing that side interface component receives, or: first low-side signal is The circuit module generates after carrying out information processing to low-side signal after the reduction.

7. device according to claim 5, which is characterized in that in addition to minimum primary circuit module, each circuit mould Block is also used to:

When producing the second low-side signal that need to be sent to previous stage circuit module after information processing, its low side side interface is utilized Second low-side signal is sent to its previous stage circuit module by component.

8. device according to claim 7, which is characterized in that second low-side signal is the circuit module to low side It is generated after the low-side signal to be processed progress information processing that side interface component receives, or: second low-side signal is The circuit module generates after carrying out information processing to low-side signal after the reduction.

9. device according to claim 5, which is characterized in that the circuit module includes power output submodule, communication Handle submodule and information processing submodule；The information processing submodule, the power output submodule, the Communication processing Submodule, the high-end side interface component and the low side interface module are with the electricity of the negative output terminal of its affiliated circuit module Position is with reference to ground；

The power output submodule of each circuit module passes through its positive output end and/or negative output terminal and other circuit modules The series connection of power output submodule；

Information processing submodule described in the Communication processing submodule direct or indirect connection, the information processing submodule are direct Or it is indirectly connected with the low side interface module, high-end side interface group described in the Communication processing submodule direct or indirect connection Part；

When the information processing submodule produces first low-side signal by information processing, according to the potential difference, Promotion displacement is carried out to first low-side signal, obtains first high-side signal, and utilize the high-end side interface component First high-side signal is sent to primary circuit module thereafter；And/or:

It is high to described second according to the potential difference after the high-end side interface component receives second high-side signal End signal carries out reduction displacement, obtains low-side signal after the reduction, and low-side signal after the reduction is sent to the letter Breath processing submodule, so that the information processing submodule carries out information processing to low-side signal after the reduction.

10. device according to claim 9, which is characterized in that first low-side signal is the information processing submodule It is generated after the low-side signal to be processed progress information processing that block receives low side interface module, or: described first is low End signal is generated after the information processing submodule carries out information processing to low-side signal after the reduction.

11. device according to claim 10, which is characterized in that in addition to minimum one in at least two-stage circuit module Grade circuit module, the information processing submodule of each circuit module are also used to:

When producing the second low-side signal that need to be sent to previous stage circuit module by information processing, flanked using its low side Second low-side signal is sent to its previous stage circuit module by mouth component.

12. device according to claim 11, which is characterized in that second low-side signal is the information processing submodule It is generated after the low-side signal to be processed progress information processing that block receives low side interface module, or: described second is low End signal is generated after the information processing submodule carries out information processing to low-side signal after the reduction.

13. according to the described in any item devices of claim 9 to 12, which is characterized in that the high-end side interface component includes height End side receiving interface and high end side transmission interface, the low side interface module include that low side receiving interface and low side are sent Interface, the Communication processing submodule include that level boost shift unit and level reduce shift unit；The level boost shift unit One end direct or indirect connection described in high end side transmission interface, information processing submodule described in other end direct or indirect connection Block, the level reduce high-end side receiving interface described in one end direct or indirect connection of shift unit, and the other end is direct or indirect The information processing submodule is connected, the information processing submodule is also connected with the low side receiving interface and the low side Transmission interface, the level boost shift unit and the level reduce shift unit and are configured as its displacement amplitude and the potential difference It is associated.

14. device according to claim 13, which is characterized in that the Communication processing submodule further includes that power level mentions For circuit, the level boost shift unit and the level reduce shift unit and are all connected with the level offer circuit, the level Circuit is provided to be used to reduce shift unit offer high voltage power supply level, the high pressure to the level boost shift unit and the level Power level is determined according to the voltage of the power interface component of the circuit module and the potential difference；

The level boost shift unit is configured as to move the logic level of first low-side signal when promoting displacement Position is to first interval；The minimum value of the first interval is the potential difference, and the maximum value of the first interval is the current potential Difference and the sum of the reference voltage determined according to the voltage of the power interface component；

The level reduces shift unit and is configured as to move the logic level of second high-side signal when reducing displacement Position is to second interval；The minimum value of the second interval is 0 volt, and the maximum value of the second interval is the reference voltage；

The first interval and the second interval are with the current potential of the negative output terminal of its affiliated circuit module for reference to ground institute table Sign.

15. according to the described in any item devices of claim 5 to 12, which is characterized in that it further include controller, the controller Communication interface is connected to the low side interface module of one of any circuit module；First low-side signal and/or described second High-side signal is that the control signal issued according to the communication interface of the controller directly or indirectly determines.

16. a kind of photovoltaic system, which is characterized in that the circuit device including the described in any item multimodes of claim 5 to 15, The circuit module is photovoltaic module or is correspondingly connected with the photovoltaic module.