CN207815556U - PV air-conditioner adapter and PV air-conditioner system - Google Patents
PV air-conditioner adapter and PV air-conditioner system Download PDFInfo
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- CN207815556U CN207815556U CN201721114347.4U CN201721114347U CN207815556U CN 207815556 U CN207815556 U CN 207815556U CN 201721114347 U CN201721114347 U CN 201721114347U CN 207815556 U CN207815556 U CN 207815556U
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Abstract
The utility model discloses a kind of PV air-conditioner adapter and PV air-conditioner systems.Wherein, which includes：Step-up/step-down circuit, the input terminal of step-up/step-down circuit connect photovoltaic module, and output end connects PV air-conditioner device, and step-up/step-down circuit includes multiple buck sub-circuits, reduce that the voltage of PV air-conditioner device is input to from photovoltaic module for dynamically increasing the latter；Communicating circuit communicates to connect, the operating parameter for detecting photovoltaic air conditioner with PV air-conditioner device；Control circuit is connected with multichannel step-up/step-down circuit, and is communicated to connect with communicating circuit, and it is in series or in parallel that the operating parameter for being detected according to communicating circuit controls multiple buck sub-circuits.The utility model solves PV air-conditioner system inflexible technical problem in configuration.
Description
Technical field
The utility model is related to appliance fields, in particular to a kind of PV air-conditioner adapter and PV air-conditioner system.
Background technology
More and more wider with the products propaganda of PV air-conditioner, energy saving or " not electricity consumption " for air-conditioning, user side temperature is not
Subtract, but in practical engineering application type selecting, due to various sunshine geographical locations, photovoltaic module installation site/quantity/string formation side
The limitation such as air-conditioning number or regulation, allow user to halt outdoors needed for formula, house type.
Existing PV air-conditioner system needs to inquire obtaining meeting work from database according to type selecting instruction in setting
The power consumption of the air-conditioner set of load；Photovoltaic group is generated according to the paving mode of the power consumption of air-conditioner set, photovoltaic module
The type of part and the quantity of photovoltaic module.It, which is adapted to PV air-conditioner with the model of photovoltaic module, has done defined type selecting and has set
It is fixed, cause user that must select PV air-conditioner according to photovoltaic module, or photovoltaic module is selected according to PV air-conditioner, does not have flexible
Property.
For above-mentioned problem, currently no effective solution has been proposed.
Utility model content
The utility model embodiment provides a kind of PV air-conditioner adapter and PV air-conditioner system, at least to solve photovoltaic
Air-conditioning system inflexible technical problem in configuration.
According to the one side of the utility model embodiment, a kind of PV air-conditioner adapter is provided, including：Lift piezoelectricity
The input terminal on road, the step-up/step-down circuit connects photovoltaic module, and output end connects PV air-conditioner device, and the step-up/step-down circuit includes
Multiple buck sub-circuits reduce for dynamically increasing the latter and are input to from the photovoltaic module electricity of the PV air-conditioner device
Pressure；Communicating circuit communicates to connect, the operating parameter for detecting the PV air-conditioner device with the PV air-conditioner device；Control electricity
Road is connected with the multichannel step-up/step-down circuit, and is communicated to connect with the communicating circuit, for according to the communicating circuit
It is in series or in parallel that the operating parameter detected controls multiple buck sub-circuits, wherein after in series or in parallel
Multiple buck sub-circuits parameter and the operating parameter of the PV air-conditioner device match.
Optionally, the step-up/step-down circuit includes：MPPT maximum power point tracking solar controller；Pulse width modulation electricity
It connects with the MPPT maximum power point tracking solar controller on road, wherein the MPPT maximum power point tracking solar controller
One end connects the first end of the buck sub-circuit, and the other end of the MPPT maximum power point tracking solar controller connects institute
One end of pulse width modulation circuit is stated, the other end of the pulse width modulation circuit connects the of the buck sub-circuit
Two ends.
Optionally, the PV air-conditioner adapter further includes：Current detector is connected on the defeated of the buck sub-circuit
Enter end, also, be connected with the input terminal of the MPPT maximum power point tracking solar controller, for detecting buck
The electric current of the input terminal of circuit；First voltage detector, is connected in parallel on the input terminal of the buck sub-circuit, also, with it is described
The input terminal of MPPT maximum power point tracking solar controller is connected, the electricity of the input terminal for detecting the buck sub-circuit
Pressure, wherein the input terminal of the first voltage detector connects the photovoltaic module.
Optionally, the PV air-conditioner adapter further includes：Switch, setting is in the current detector and first electricity
Between pressing detector, it is connected with the control circuit, the PV air-conditioner device is accessed for controlling the photovoltaic module, or
Person disconnects with the PV air-conditioner device.
Optionally, the PV air-conditioner adapter further includes：Second voltage detector, input terminal and buck son electricity
The output end on road is connected, and output end is connected with the PV air-conditioner device.
Optionally, the PV air-conditioner adapter further includes：Combining functions interface is arranged in the first voltage detector
Input side, for connecting photovoltaic conflux harvester；Photovoltaic conflux anti-backflow diode；Lightning-protection module.
Optionally, the PV air-conditioner adapter further includes：Insulation detecting circuit is arranged in the buck sub-circuit
In, it is used for the state of insulation of detection device.
Optionally, when photovoltaic module configuration is less, the control circuit controls multiple buck sub-circuits
In series or in parallel, the control circuit control is all the way or corresponding step-up/step-down circuit is run；Or match in the photovoltaic module
When setting more, the control circuit control in multiple buck sub-circuits all the way or per output all the way.
According to the another aspect of the utility model embodiment, a kind of PV air-conditioner system is additionally provided, including：Photovoltaic group
Part；PV air-conditioner device；Above-mentioned PV air-conditioner adapter, input terminal are connected with the photovoltaic module, output end and the photovoltaic
Air conditioner is connected；Power grid is connected with the PV air-conditioner device.
Optionally, the PV air-conditioner device includes：Grid-connected transverter is connected by isolating transformer with the power grid；
Press transverter is connected with the grid-connected transverter, and is connected with the PV air-conditioner adapter；Press, and it is described
Press transverter is connected.
Multiple buck sub-circuits of the present embodiment constitute step-up/step-down circuit, and communicating circuit detects the fortune of photovoltaic air conditioner
Row parameter, and by control circuit control be connected to PV air-conditioner device buck sub-circuit number.It is configured in photovoltaic module
When less, it can be realized using the step-up/step-down circuit all the way of step-up/step-down circuit by suitable connection in series-parallel；Photovoltaic module configuration compared with
When more, using all inputs of step-up/step-down circuit, and photovoltaic air conditioner maximum power capability is detected, limitation is wherein all the way or each
The output on road has the function that protect PV air-conditioner device nonoverload.As it can be seen that PV air-conditioner adapter through this embodiment can be with
The configuration for adjusting photovoltaic module, to solve PV air-conditioner system inflexible technical problem in configuration in the prior art.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the schematic diagram according to the PV air-conditioner adapter of the utility model embodiment；
Fig. 2 is the schematic diagram according to the preferred PV air-conditioner adapter of the utility model embodiment；
Fig. 3 is the schematic diagram according to the PV air-conditioner system of the utility model embodiment.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
According to the utility model embodiment, a kind of embodiment of PV air-conditioner adapter is provided.
Fig. 1 is according to the schematic diagram of the PV air-conditioner adapter of the utility model embodiment, as shown in Figure 1, the photovoltaic is empty
Adjusting orchestration includes：
The input terminal of 10 step-up/step-down circuit of step-up/step-down circuit connects photovoltaic module 200, and output end connects PV air-conditioner device
100, step-up/step-down circuit includes multiple buck sub-circuits, and photovoltaic sky is input to from photovoltaic module for dynamically increasing the latter's reduction
Adjust the voltage of device；
Communicating circuit 20 is communicated to connect with PV air-conditioner device, the operating parameter for detecting photovoltaic air conditioner；
Control circuit 30 is connected with multichannel step-up/step-down circuit, and is communicated to connect with communicating circuit, for according to communication
The multiple buck sub-circuits of operating parameter control that circuit detects are in series or in parallel,
Wherein, the operating parameter phase of the parameter and PV air-conditioner device of multiple buck sub-circuits after in series or in parallel
Match.
Multiple buck sub-circuits of the present embodiment constitute step-up/step-down circuit, and communicating circuit detects the fortune of photovoltaic air conditioner
Row parameter, and by control circuit control be connected to PV air-conditioner device buck sub-circuit number.It is configured in photovoltaic module
When less, it can be realized using the step-up/step-down circuit all the way of step-up/step-down circuit by suitable connection in series-parallel；Photovoltaic module configuration compared with
When more, using all inputs of step-up/step-down circuit, and PV air-conditioner maximum power capability is detected, limitation is wherein all the way or per all the way
Output, have the function that protect PV air-conditioner device nonoverload.As it can be seen that PV air-conditioner adapter through this embodiment can be adjusted
The configuration for saving photovoltaic module, to solve PV air-conditioner system inflexible technical problem in configuration in the prior art.
Specifically, in the above matching operation, communicating circuit can be communicated with PV air-conditioner device, set DC bus-bar voltage,
The parameters such as required power make the PV air-conditioner adapter of the present embodiment and PV air-conditioner device flexible docking (be not present electric when switching
Press inconsistent caused spike impact), thus break the limitation in photovoltaic module quantity, on series-parallel system, down to one
Block photovoltaic module, up to a photovoltaic plant, can be connected with PV air-conditioner device.
Fig. 2 is the schematic diagram according to the preferred PV air-conditioner adapter of the utility model embodiment.Fig. 2 shows the photovoltaics
The two-way buck sub-circuit of air-conditioner adapter, buck sub-circuit 1 and buck sub-circuit 2.It should be noted that Fig. 2 is only
It is only illustrative and indicates buck sub-circuit, which can also include more buck sub-circuits, and
It is not limited to two-way shown in Fig. 2.
Step-up/step-down circuit includes：MPPT maximum power point tracking solar controller；Pulse width modulation circuit, with maximum power
Point tracking solar controller series connection, wherein one end of MPPT maximum power point tracking solar controller connects buck sub-circuit
First end, one end of the other end connection pulse width modulation circuit of MPPT maximum power point tracking solar controller, pulse is wide
Spend the second end of the other end connection buck sub-circuit of modulation circuit.
MPPT maximum power point tracking solar controller is capable of the generating voltage of detecting real-time solar panels, and tracks highest electricity
Piezoelectricity flow valuve makes system power to PV air-conditioner device with maximum power output, using with solar energy photovoltaic system, coordinates the sun
Can solar panel, accumulator, load work, be the brain of photovoltaic system.
Pulse width modulation is a kind of analog control method, according to the variation of respective loads come modulation transistor base stage or
The biasing of metal-oxide-semiconductor grid, to realize the change of transistor or metal-oxide-semiconductor turn-on time, to realize that switching power supply exports
Change.This mode can be such that the output voltage of power supply is kept constant in operation conditions change, be the number using microprocessor
A kind of technology that word signal controls analog circuit.
Optionally, PV air-conditioner adapter further includes：Current detector is connected on the input terminal of buck sub-circuit, and
And be connected with the input terminal of MPPT maximum power point tracking solar controller, the input terminal for detecting buck sub-circuit
Electric current；First voltage detector, is connected in parallel on the input terminal of buck sub-circuit, also, with MPPT maximum power point tracking solar energy control
The input terminal of device processed is connected, the voltage of the input terminal for detecting buck sub-circuit, wherein first voltage detector it is defeated
Enter end connection photovoltaic module.
Current detector and first voltage detector can detect the voltage and current of photovoltaic module output, to make maximum
Power points tracking solar controller is capable of the generating voltage of detecting real-time solar panels, and tracks ceiling voltage current value, from
And it is powered to PV air-conditioner device with maximum power output.
Optionally, PV air-conditioner adapter further includes：Switch, setting current detector and first voltage detector it
Between, it is connected with control circuit, PV air-conditioner device is accessed for controlling photovoltaic module, alternatively, is disconnected with PV air-conditioner device.
As shown in Fig. 2, when a switch is off, the photovoltaic module of circuit connection disconnects where switch, can stop as photovoltaic
Air conditioner is powered；When the switch is closed, the photovoltaic module access of circuit connection where switch can be that PV air-conditioner device is powered.
Adjust whether multiple buck sub-circuits access as the power supply of PV air-conditioner device to realize so that the maximum that photovoltaic module provides
Power matches with the power needed for PV air-conditioner device.
Specifically, as shown in Fig. 2, buck sub-circuit 1 is connected with current detector A1, first voltage detector V1, and
And first voltage detector V1 connection MPPT maximum power point tracking solar controller MPPT1, MPPT maximum power point tracking solar energy control
Device MPPT1 series pulse width modulateds PWM1 processed.With the concatenated also switch K1 of current detector A1, gone here and there with current detector A2
Connection also has switch K2.Buck sub-circuit 2 is connected with current detector A2, first voltage detector V2, also, first voltage
Detector V2 connection MPPT maximum power point tracking solar controller MPPT2, MPPT maximum power point tracking solar controller MPPT2 strings
Join pulse width modulation (PWM) 1.Buck sub-circuit 1 and buck sub-circuit 2 connect a second voltage detector V jointly, and
And it is connected to PV air-conditioner device.Wherein, control circuit, communicating circuit and MPPT maximum power point tracking solar controller and arteries and veins
Rush the control section that width modulated constitutes PV air-conditioner adapter.
Optionally, PV air-conditioner adapter further includes：Second voltage detector, the output of input terminal and buck sub-circuit
End is connected, and output end is connected with PV air-conditioner device.Second voltage detector can detect defeated from multichannel buck sub-circuit
Go out to the voltage of PV air-conditioner device.
Optionally, PV air-conditioner adapter further includes：The input in first voltage detector is arranged in combining functions interface
Side, for connecting photovoltaic conflux harvester；Photovoltaic conflux anti-backflow diode；Lightning-protection module.
Photovoltaic conflux harvester can detect the solar panel operating status of photovoltaic module, confluence work(provided in this embodiment
Energy interface can connect the photovoltaic conflux harvester etc..
Optionally, PV air-conditioner adapter further includes：Insulation detecting circuit is arranged in buck sub-circuit, for examining
The state of insulation of measurement equipment.Insulation detecting circuit can detect the insulation against ground state of photovoltaic air-conditioner adapter, avoid leakage current
It is excessive to cause casualties.
The utility model embodiment additionally provides a kind of PV air-conditioner system.
Fig. 3 is the schematic diagram according to the PV air-conditioner system of the utility model embodiment.As shown in figure 3, the PV air-conditioner
System includes：
Photovoltaic module；PV air-conditioner device；Above-mentioned PV air-conditioner adapter, input terminal are connected with photovoltaic module, output end
It is connected with PV air-conditioner device；Power grid is connected with PV air-conditioner device.
Optionally, PV air-conditioner device includes：Grid-connected transverter is connected by isolating transformer with power grid；The press change of current
Device is connected with grid-connected transverter, and is connected with PV air-conditioner adapter；Press is connected with press transverter
Before the photovoltaic adapter using the present embodiment, PV air-conditioner device is equipped with as following drawbacks：
1, so that PV air-conditioner device is not limited to the limitation in installation geographical location, release each department temperature, irradiation level, shade etc. pair
Photovoltaic module open-circuit voltage, to limit the influence of PV air-conditioner device operation；
2, make the type selecting of PV air-conditioner device and photovoltaic module unrestricted；
3, the case where compatible photovoltaic module voltage is higher than DC bus-bar voltage, no matter how photovoltaic module electrical parameter changes,
PV air-conditioner device service requirement can all be met.
After the photovoltaic adapter using the present embodiment, reach following effect：
1, world each region, there is no the influences blocked due to different temperatures, irradiation level or installation, you can 100% disappears
Except the hidden danger for exceeding range of operation as defined in PV air-conditioner device caused by environmental change, such as PV air-conditioner device input voltage is
The maximum power point voltage of 600~780V, photovoltaic panel adaptation are 760V, and in changes in environmental conditions such as temperature, photovoltaic module
Maximum power point voltage rises to 781V, causes to shut down beyond PV air-conditioner device range；
2, make user according to actual use demand, select the freedom as photovoltaic module down to 1 piece, up to photovoltaic plant, choosing
PV air-conditioner device is selected, also only needs to be selected according to practical house type refrigerating capacity, without bundling photovoltaic module number, relative to conventional photovoltaic
Air conditioner promotes subscriber usage；
3, different photovoltaic module series and parallel number, reaches below or above the working voltage range of PV air-conditioner device, power
Range can be transferred through rising or be depressured, limit or unlimited power output meet PV air-conditioner device requirement.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of PV air-conditioner adapter, which is characterized in that including：
The input terminal of step-up/step-down circuit, the step-up/step-down circuit connects photovoltaic module, and output end connects PV air-conditioner device, the liter
Reduction voltage circuit includes multiple buck sub-circuits, and the photovoltaic is input to from the photovoltaic module for dynamically increasing the latter's reduction
The voltage of air conditioner；
Communicating circuit communicates to connect, the operating parameter for detecting the PV air-conditioner device with the PV air-conditioner device；
Control circuit is connected with the step-up/step-down circuit, and is communicated to connect with the communicating circuit, for according to described logical
The multiple buck sub-circuits of operating parameter control that news circuit detects are in series or in parallel,
Wherein, the operating parameter of the parameter and the PV air-conditioner device of multiple buck sub-circuits after in series or in parallel
Match.
2. PV air-conditioner adapter according to claim 1, which is characterized in that the step-up/step-down circuit includes：
MPPT maximum power point tracking solar controller；
Pulse width modulation circuit is connected with the MPPT maximum power point tracking solar controller,
Wherein, one end of the MPPT maximum power point tracking solar controller connects the first end of the buck sub-circuit, institute
The other end for stating MPPT maximum power point tracking solar controller connects one end of the pulse width modulation circuit, and the pulse is wide
The other end of degree modulation circuit connects the second end of the buck sub-circuit.
3. PV air-conditioner adapter according to claim 2, which is characterized in that the PV air-conditioner adapter further includes：
Current detector, is connected on the input terminal of the buck sub-circuit, also, with the MPPT maximum power point tracking solar energy
The input terminal of controller is connected, the electric current of the input terminal for detecting the buck sub-circuit；
First voltage detector is connected in parallel on the input terminal of the buck sub-circuit, also, too with the MPPT maximum power point tracking
The input terminal of positive energy controller is connected, the voltage of the input terminal for detecting the buck sub-circuit, wherein described first
The input terminal of voltage detector connects the photovoltaic module.
4. PV air-conditioner adapter according to claim 3, which is characterized in that the PV air-conditioner adapter further includes：
Switch is arranged between the current detector and the first voltage detector, is connected with the control circuit, uses
The PV air-conditioner device is accessed in controlling the photovoltaic module, alternatively, being disconnected with the PV air-conditioner device.
5. PV air-conditioner adapter according to any one of claim 1 to 4, which is characterized in that the PV air-conditioner is suitable
Orchestration further includes：
Second voltage detector, input terminal are connected with the output end of the buck sub-circuit, and output end is empty with the photovoltaic
Device is adjusted to be connected.
6. PV air-conditioner adapter according to claim 3, which is characterized in that the PV air-conditioner adapter further includes：
The input side in the first voltage detector is arranged, for connecting photovoltaic conflux harvester in combining functions interface；
Photovoltaic conflux anti-backflow diode；
Lightning-protection module.
7. PV air-conditioner adapter according to claim 1, which is characterized in that the PV air-conditioner adapter further includes：
Insulation detecting circuit is arranged in the buck sub-circuit, is used for the state of insulation of detection device.
8. a kind of PV air-conditioner system, which is characterized in that including：
Photovoltaic module；
PV air-conditioner device；
PV air-conditioner adapter described in any one of claim 1-7, input terminal are connected with the photovoltaic module, output end with
The PV air-conditioner device is connected；
Power grid is connected with the PV air-conditioner device.
9. PV air-conditioner system according to claim 8, which is characterized in that the PV air-conditioner device includes：
Grid-connected transverter is connected by isolating transformer with the power grid；
Press transverter is connected with the grid-connected transverter, and is connected with the PV air-conditioner adapter；
Press is connected with the press transverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721114347.4U CN207815556U (en) | 2017-08-31 | 2017-08-31 | PV air-conditioner adapter and PV air-conditioner system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114347.4U CN207815556U (en) | 2017-08-31 | 2017-08-31 | PV air-conditioner adapter and PV air-conditioner system |
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| Publication Number | Publication Date |
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| CN207815556U true CN207815556U (en) | 2018-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560039A (en) * | 2017-08-31 | 2018-01-09 | 珠海格力电器股份有限公司 | PV air-conditioner adapter and PV air-conditioner system |
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2017
- 2017-08-31 CN CN201721114347.4U patent/CN207815556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560039A (en) * | 2017-08-31 | 2018-01-09 | 珠海格力电器股份有限公司 | PV air-conditioner adapter and PV air-conditioner system |
| CN107560039B (en) * | 2017-08-31 | 2023-11-14 | 珠海格力电器股份有限公司 | Photovoltaic air conditioner adapter and photovoltaic air conditioning system |
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