CN204548472U - Boats and ships PV air-conditioner system - Google Patents
Boats and ships PV air-conditioner system Download PDFInfo
- Publication number
- CN204548472U CN204548472U CN201420616797.3U CN201420616797U CN204548472U CN 204548472 U CN204548472 U CN 204548472U CN 201420616797 U CN201420616797 U CN 201420616797U CN 204548472 U CN204548472 U CN 204548472U
- Authority
- CN
- China
- Prior art keywords
- water
- ships
- boats
- power supply
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model discloses a kind of boats and ships PV air-conditioner system, this system comprises: A/C; Reversible transducer, one end of reversible transducer is connected with the electrical network of boats and ships; Photovoltaic power supply device, photovoltaic power supply device comprises photovoltaic array and DC/DC changer; Shifter, shifter has first end to the 3rd end, and first end is connected with the other end of reversible transducer, and the second end is connected with photovoltaic power supply device, and the 3rd end is connected with A/C; Water-cooling apparatus, water-cooling apparatus is used for cooling photovoltaic array; Water service, water service is connected with water-cooling apparatus, and water service is used for grid water extraction in water-cooling apparatus being supplied to boats and ships; Control setup, control setup is connected with shifter, for controlling shifter.System of the present utility model can realize the round-the-clock use of marine air conditioning device, and cost is low, takes up room little, and the horsepower output of photovoltaic array is improved.
Description
Technical field
The utility model belongs to marine air conditioning technical field, particularly relates to a kind of boats and ships PV air-conditioner system.
Background technology
Marine air conditioning is for the humiture controlled in cabin, and the traveling comfort and some precision instruments higher to environmental requirement that improve crewman and passenger have important effect.Traditional marine air-conditioning system needs power taking from ship's mains, and the electric power source of a boats and ships diesel-engine generator often, thus need the fuel of at substantial, the flying power for environmental protection and boats and ships is all unfavorable.
Therefore, adopt and do not need the photovoltaic solar of fuel to power to the air-conditioning of boats and ships more and more to be favored.Disclosed a kind of scheme of solar power marine air conditioning in the related, the program is the system with storage battery, so because the intrinsic shortcoming of storage battery, can cause the high cost of system, the life-span is shorter, and the placing space needed is larger.In addition, if there is continuous print rainy weather, then photovoltaic array can not normal power generation, and the finite capacity of storage battery, thus on boats and ships, the normal use of air-conditioning will be affected.
In addition, data shows, the horsepower output ability of photovoltaic cell is relevant with Illumination intensity and junction temperature.Such as, when Illumination intensity is fixed on 1000W/m
2time, the size of the output power from photovoltaic cells and the relation of junction temperature are as shown in Figure 1, in figure, abscissa is photovoltaic cell output voltage, ordinate is horsepower output, and three different curves are the horsepower output voltage curve under junction temperature T=325K (51.85 DEG C), 300K (26.85 DEG C) and 275K (1.85 DEG C) respectively.Obviously, the more high output being more unfavorable for power of photovoltaic cell junction temperature, the lower horsepower output of temperature is larger.And the photovoltaic array be arranged on boats and ships can be all generally the top at cabin, be directly subject to tanning by the sun of the sun, especially at noon the time-division, the temperature of photovoltaic battery panel can be raised to very high, not only bad for the output of power, also can shorten the life-span of photovoltaic cell.
In sum, in correlation technique, boats and ships PV air-conditioner system also exists following deficiency:
(1) be with the boats and ships PV air-conditioner scheme high cost of storage battery, the life-span is shorter, need to safeguard, and the space taken is comparatively large, and can not meets the requirement of air conditioning system operation.
(2) direct current (DC) just utilizing photovoltaic array to export simply, the maximum power output ability of photovoltaic array has much room for improvement.
(3) photovoltaic array is arranged on cabin top, is subject to the impact of high temperature, and the ability of horsepower output is affected.
Utility model content
The utility model is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of boats and ships PV air-conditioner system, and this boats and ships PV air-conditioner system can realize the round-the-clock use of marine air conditioning device, and cost is low, takes up room little, and the horsepower output of photovoltaic array is improved.
For achieving the above object, the utility model proposes a kind of boats and ships PV air-conditioner system, this system comprises: A/C; Reversible transducer, one end of described reversible transducer is connected with the electrical network of boats and ships; Photovoltaic power supply device, described photovoltaic power supply device comprises photovoltaic array and DC/DC changer; Shifter, described shifter has first end to the 3rd end, and described first end is connected with the other end of described reversible transducer, and described second end is connected with described photovoltaic power supply device, and described 3rd end is connected with described A/C; Water-cooling apparatus, described water-cooling apparatus is used for cooling described photovoltaic array; Water service, described water service is connected with described water-cooling apparatus, and described water service is used for grid water extraction in water-cooling apparatus being supplied to boats and ships; And control setup, described control setup is connected with described shifter, for controlling described shifter.
According to boats and ships PV air-conditioner system of the present utility model, by water-cooling apparatus, water-cooled cooling is carried out to photovoltaic power supply device, thus effectively can improve the power output capacity of photovoltaic array, and hot water can be provided for boats and ships.In addition, photovoltaic power supply device can be realized by control setup to the control of shifter or network of ship is that A/C supplies power with double circuit, thus can ensure that A/C at any time can run.In addition, by shifter and reversible transducer, make electric energy can carry out two-way flow between photovoltaic power supply device and network of ship, the delivery of electrical energy more than needed that photovoltaic array can be exported is to network of ship, both improve the degree of utilization of photovoltaic array, again the electrical network of boats and ships is supplemented, decrease boats and ships this part consumption of fuel for generating electricity, improve the flying power of boats and ships, the scheme of storage battery is needed in correlation technique, system cost of the present utility model is high, and safeguard simple, photovoltaic array degree of utilization is high.
Wherein, when described photovoltaic power supply device is in generating state, and when described A/C is in open state, described control setup controls the second end of described shifter and described 3rd termination is led to, and is that described A/C is powered to make described photovoltaic power supply device; When described photovoltaic power supply device is in generating state, and when described A/C is in off-mode, described control setup controls the second end of described shifter and described first end is connected, and is the mains supply of described boats and ships to make described photovoltaic power supply device; And be not in generating state when described photovoltaic power supply device, and when described A/C is in open state, described control setup controls the first end of described shifter and described 3rd termination is led to, and is that described A/C is powered to make the electrical network of described boats and ships.
Further, described water-cooling apparatus comprises: water storehouse; The coolant inlet pipe be connected with described water storehouse and water pump, described water pump is used for coolant inlet pipe described in the water suction in described water storehouse; The cooling pipe be connected with described coolant inlet pipe, described cooling pipe is arranged under described photovoltaic array, for cooling described photovoltaic array; And the coolant outlet pipe be connected with described cooling pipe, described coolant outlet pipe is connected with described water service.
Wherein, described water pump can be powered by described photovoltaic array.
In addition, described water service can be insulation water tank, and wherein, described water-cooling apparatus also comprises: liquid level detector, for detecting the liquid level in described insulation water tank; And fluid level controller, for controlling described water pump according to the liquid level in described insulation water tank.
In addition, when described photovoltaic power supply device is the mains supply of described boats and ships, described control setup also controls described DC/DC changer for the MPPT maximum power point tracking MPPT mode according to Step-varied back propagation.
Particularly, described cooling pipe adopts the arrangement of S type.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the relation curve schematic diagram according to the output power from photovoltaic cells of the prior art and voltage; .
Fig. 2 is the block diagram of the boats and ships PV air-conditioner system according to an embodiment of the present utility model;
Fig. 3 is the partial schematic diagram of the boats and ships PV air-conditioner system according to a specific embodiment of the present utility model;
Fig. 4 is the partial schematic diagram of the boats and ships PV air-conditioner system according to another embodiment of the present utility model;
Fig. 5 is the MPPT control principle schematic diagram of boats and ships PV air-conditioner system according to an embodiment of the invention;
Fig. 6 is the MPPT control algorithm diagram of circuit of boats and ships PV air-conditioner system according to an embodiment of the invention;
Fig. 7 is the diagram of circuit of the control method of boats and ships PV air-conditioner system according to an embodiment of the present utility model;
Fig. 8 is the diagram of circuit of the control method of boats and ships PV air-conditioner system according to another embodiment of the present utility model; And
Fig. 9 is the diagram of circuit of the control method of boats and ships PV air-conditioner system according to another embodiment of the present utility model.
Reference numeral:
Boats and ships PV air-conditioner system 1000, A/C 100, two-way exchange device 200, photovoltaic power supply device 300, shifter 400, water-cooling apparatus 500, water service 600 and control setup 700, photovoltaic array 301 and DC/DC changer 302, water storehouse 501, coolant inlet pipe 502, water pump 503, cooling pipe 504 and coolant outlet pipe 505, liquid level detector 506 and fluid level controller 507.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings boats and ships PV air-conditioner system and the control method thereof of the utility model embodiment are described.
First the boats and ships PV air-conditioner system of the utility model embodiment is described.Fig. 2 is the block diagram of the boats and ships PV air-conditioner system according to an embodiment of the present utility model.
As shown in Figure 2, the boats and ships PV air-conditioner system 1000 of the utility model embodiment comprises A/C 100, two-way exchange device 200, photovoltaic power supply device 300, shifter 400, water-cooling apparatus 500, water service 600 and control setup 700.
Wherein, photovoltaic power supply device 300 comprises photovoltaic array 301 and DC/DC changer 302.Photovoltaic array 301 plays the effect of photoelectricity and photothermal conversion within the system, be for A/C 100 and boats and ships mains supply and the energy source of hot water is provided to boats and ships.The voltage range when low-voltage DC that photovoltaic array 301 exports boosts to and meets A/C 100 on boats and ships and reversible transducer 200 such as AC/DC reversible transducer normally works by DC/DC changer 302.
One end of reversible transducer 200 is connected with the electrical network of boats and ships.Shifter 400 has first end to the 3rd end, first end c is connected with the other end of reversible transducer 200, the photovoltaic array 301 that second end a is connected such as photovoltaic power supply device 300 with photovoltaic power supply device 300 is connected with the second end a of shifter 400 by DC/DC changer 302, and the 3rd end b is connected with A/C 100.
Control setup 700 is connected with shifter 400, for controlling shifter 400.Wherein, first end c, the second end a of shifter 400 and the 3rd end b can any two connect, such as a and b connects, or a and c connects, or b and c connects, control setup 700 judges the state of photovoltaic power supply device 300 and A/C 100, and then can control shifter 400 according to the running state of the state of photovoltaic power supply device 300 and A/C 100.Thus being communicated with of photovoltaic power supply device 300 or reversible transducer 200 i.e. network of ship and A/C 100 can be made, realize supplying power with double circuit of A/C 100, A/C 100 such as DC frequency converting air-conditioner can power taking from photovoltaic power supply device 300 or network of ship, ensure the operation of A/C 100, incessantly for cabin inside provides the function freezed or heat.
Or, realize photovoltaic power supply device 300 to be communicated with reversible transducer 200, reversible transducer 200 can work in forward rectification state, also can be operated in reverse inverter mode, and the conversion of state is triggered by the coupled condition of shifter 400 such as gating switch.Reversible transducer 200 makes electric energy can two-way flow between network of ship and photovoltaic power supply device 300, ensure that A/C 100 also can normally work at night or rainy weather, and the electric energy more than needed that photovoltaic array 301 exports can be outputted to ship's mains.Can find out, network of ship is not only that A/C 100 is powered as a power supply unit in this system 1000, also can as a power taking unit, receive the electric energy from photovoltaic power supply device 300, network of ship is the acceptor exporting electric energy as the donor of electric energy or photovoltaic power supply device 300, depends on the mode of operation of reversible transducer 200.
In addition, it can also be seen that, in the utility model embodiment, photovoltaic array 301 can by after DC/DC changer 302 boosting inverter for A/C 100 such as direct current varied-frequency air conditioner provides direct current (DC), can be also alternating current by DC power conversion through reversible transducer 200 be that network of ship is powered.Compared to the scheme of traditional employing storage battery, in the boats and ships PV air-conditioner system 1000 of the utility model embodiment, effectively can improve the degree of utilization of photovoltaic array 301, reduce the financial cost of boats and ships PV air-conditioner system 1000 and take up room.
Further, control setup 700 is according to two connections in first end c, the second end a of the generating state situation of photovoltaic power supply device 300 and the working state control shifter 400 of marine air conditioning device 100 and the 3rd end b, and then in time connect the duplex feeding device of marine air conditioning device 100, or connect the feeder circuit of photovoltaic power supply device 300 to network of ship, by controlling shifter 400, electric energy can be flowed according to the selection of setting, realizing the optimization of electric energy layout.
Specifically, in an embodiment of the present utility model, as shown in Figure 3, when photovoltaic power supply device 300 is in generating state, and A/C 100 is when being in open state, control setup 700 controls shifter 300 and such as selects the second end a of bucket switch and the 3rd end b to connect, and powers for A/C 100 to make photovoltaic power supply device 300.
When photovoltaic power supply device 300 is in generating state, and A/C 100 is when being in off-mode, control setup 700 controls the second end a of shifter 400 and first end c and connects, now, reversible transducer 200 receives inversion energizing signal, work in reverse DC/AC inverter mode, after the electric energy that photovoltaic array 301 can be exported is transformed by DC/DC changer 302, be fed in network of ship, with the mains supply making photovoltaic power supply device 300 be boats and ships, thus can more effectively utilize the electric energy that photovoltaic power supply device 300 transforms.
When photovoltaic power supply device 300 is not in generating state, such as at night or rainy weather, and A/C 100 is when being in open state, control setup 700 controls the first end c of shifter 400 and the 3rd end b and connects, now, reversible transducer 200 receives forward rectify control signal, works in forward AC/DC rectification state, powers for A/C 100 to make the electrical network of boats and ships.
On the other hand, the photovoltaic array 301 of photovoltaic power supply device 300 is generally arranged on the top of cabin, absorb the light and heat of the sun, when direct sunlight, the temperature of photovoltaic array 301 can rise to very high, and then affects the output efficiency of photovoltaic array 301.In the utility model embodiment, cooled by water-cooling apparatus 500 pairs of photovoltaic arrays 301, to reduce the temperature of photovoltaic array 301, effectively can improve the power output capacity of photovoltaic array 301.
Further, as shown in Figure 2, water service 600 is connected with water-cooling apparatus 500, the heat that water-cooling apparatus 500 produces by carrying out cooling and absorbing photovoltaic array 301 to photovoltaic array 301, and then the cooling water temperature that water-cooling apparatus 500 flows out will raise, cooling water expansion tank becomes warm water or hot water, by water service 600, water extraction in water-cooling apparatus 500 can be supplied to the grid of boats and ships.In other words, water service 600 can by the side production that produces photovoltaic array 301 cooling process and warm water or hot water, is provided to crewman or passenger uses, thus can improve the degree of utilization of precious freshwater resources in boats and ships.
Particularly, in an embodiment of the present utility model, as shown in Figure 4, water-cooling apparatus 500 comprises water storehouse 501, coolant inlet pipe 502, water pump 503, cooling pipe 504 and coolant outlet pipe 505.
Water storehouse 501 can be the fresh water storage container that boats and ships have itself, for the cooling of photovoltaic array 301 provides cooling water expansion tank.Coolant inlet pipe 502 is connected with water storehouse 501, cooling pipe 504 is connected with coolant inlet pipe 502, one end of coolant outlet pipe 505 is connected with cooling pipe 504, and the other end of coolant outlet pipe 505 is connected with water service 600, and coolant inlet pipe 502, cooling pipe 504 and coolant outlet pipe 505 form the pipeline system of water-cooling apparatus 500.Wherein, water pump 503 is installed on the coolant inlet pipe 502 of water storehouse 501, can be powered by photovoltaic array 301, that is, water pump 503 such as DC water pump directly takes the direct current (DC) that photovoltaic array 301 exports, and by water pump 503 by the water suction coolant inlet pipe 502 in water storehouse 501, and then cooling water expansion tank transfers to cooling pipe 504, cooling pipe 504 is arranged under photovoltaic array 301, thus can cool photovoltaic array 301.In order to more effectively absorb the heat that photovoltaic array 301 produces, cooling pipe 504 can be arranged on below photovoltaic array 301 as far as possible in large area, and such as, cooling pipe 504 adopts S type to arrange, and fully can absorb the heat that photovoltaic array 301 produces.In the utility model embodiment, be that photovoltaic array 301 is lowered the temperature by water-cooling pattern, at reference light according to (1000W/m under radiation condition
2), the power output capacity of photovoltaic array 301 can promote and reach 17.6%.
And then the cooling water expansion tank in cooling pipe 504 flows out to water service 600 by coolant outlet pipe 505, water service 600 can reclaim the cooling water expansion tank after photovoltaic array 301 heats, and provides hot water to follow-up boats and ships grid.
Further, water service 600 can be insulation water tank, has the effect of insulation, plays the effect of Buffer Pool simultaneously, ensure the lasting supply of hot water on boats and ships.As shown in Figure 4, water-cooling apparatus 500 also comprises liquid level detector 506 and fluid level controller 507.Wherein, liquid level detector 506 and fluid level controller 507 are arranged between insulation water tank and water pump 503, liquid level detector 506 is for detecting the liquid level in insulation water tank, fluid level controller 507 for controlling water pump 503 according to the liquid level in insulation water tank, such as, controls switch and the flow of water pump 503.Such as, when being incubated the liquid level in water tank and not reaching preset water level, fluid level controller 507 controls water pump 503 and runs to make insulation water tank continue accumulation hot water, when liquid level reaches preset water level, fluid level controller 507 control water pump 503 out of service or reduce flow, with prevent overflow.
In addition, the scheme of the natural operation point output electric energy of photovoltaic array 301 is directly taken for boats and ships PV air-conditioner in correlation technique, in an embodiment of the present utility model, when photovoltaic power supply device 300 is the mains supply of boats and ships, control setup 700 also controls for the MPPT control DC/DC changer 302 of the MPPT maximum power point tracking according to Step-varied back propagation.By adjusting the operation point of photovoltaic array 301, making its power stage reach the maxim that can reach, thus improve output efficiency.
Particularly, MPPT in embodiments of the present invention controls to adopt Step-varied back propagation conductance increment algorithm, and Fig. 5 is the principle schematic controlled according to the MPPT of a specific embodiment of the present invention.As shown in Figure 5, the similar parabola of horsepower output current curve of photovoltaic array 301, there is a peak point Pm, corresponding outgoing current is Im, the effect of MPPT algorithm is exactly make photovoltaic generating system find this outgoing current Im, makes the horsepower output of photovoltaic array 301 reach maximum power value Pm.If the operation point in photovoltaic array 301 kth moment is b point, the operation point in k-1 moment is a point, and so the current change quantity in k moment is: dI
pv=I
pv(k)-I
pv(k-1), wherein, dI
pvfor current change quantity, I
pvk () is the electric current in k moment, I
pv(k-1) be the electric current in k-1 moment, I
pvfor electric current, corresponding voltage variety is: dU
pv=U
pv(k)-U
pv(k-1), wherein, dU
pvfor voltage variety, U
pvk () is k moment voltage, U
pv(k-1) be k-1 moment voltage, the variable quantity of power is: dP
pv=P
pv(k)-P
pv(k-1), wherein, dP
pvfor power variation, P
pvk () is k moment power, P
pv(k-1) be k-1 moment power.So slope (i.e. conductance) β of the horsepower output current curve of photovoltaic array 301 can be expressed as: β=U
pv+ I
pv(dU
pv/ dI
pv), also can be expressed as: β=dP
pv/ dI
pv.Can obtain in conjunction with above-mentioned formula: dP
pv=U
pvdI
pv+ I
pvdU
pv, dP in formula
pvnot only contain the size of changed power, further comprises the direction of changed power, and the size of its absolute value is relevant with the position of operation point: as Fig. 5, obvious operation point distance maximum functional point is far away, dP
pvabsolute value larger; Operation point the closer to maximum power point, dP
pvabsolute value less.Therefore, as long as with dP
pvas the transformation ran ratio of step-length, the MPPT that just can realize Step-varied back propagation controls, so step-length INC in k moment
*expression formula is as follows:
INC
*=| U
pvdI
pv+ I
pvdU
pv| ζ, in formula, ζ is given step-length benchmark.
Therefore the present invention proposes the step-size change of the MPPT control policy of Step-varied back propagation is a continuous print smooth change process, efficiently solve and adopt in scheme fixed step size disturbance observation method step-length to be difficult to select in the past, the problem of rate of following and the progress of tracking contradiction.
Fig. 6 is the Step-varied back propagation conductance increment MPPT control algorithm diagram of circuit adopted in the embodiment of the present invention.Step is as follows:
S100, first the voltage U pv (k) electric current I pv (k) that the photovoltaic array in current k moment exports is sampled, calculated voltage variety dUpv (k) compared with a upper moment and current change quantity dIpv (k);
S200, judge that whether the output current value in former and later two moment is equal, namely whether dIpv (k) is 0;
If dIpv (k)=0, then perform step S300, if dIpv (k) ≠ 0, then perform step S700.
S300, judges whether dUpv (k) is 0.
If dUpv (k) is also 0, then maintain the statusquo, do not change the output services point of photovoltaic array, otherwise perform step S400.
S400, judges whether dUpv (k) >0.
If dUpv (k) is >0, illustrates that power becomes large, then perform step S500, otherwise then perform step S600.
S500, increasing subsequent time outgoing current is Ipv (k)+INC
*.
S600, the outgoing current reducing subsequent time is Ipv (k)-INC
*.
S700, calculates conductance β, and judges whether β is 0.
If β is 0, then thinks and be in peak, maintain work on hand point constant, otherwise, then continue the positive and negative situation judging β;
S800, judges whether β >0.
If β is >0, illustrate that operation point is in the left side of peak point, then perform step S900, otherwise, then think that operation point is positioned at the right of peak point, then perform step S1000.
S900, continues mobile working point of turning right, and namely subsequent time outgoing current is Ipv (k)+INC
*.
S1000, the outgoing current reducing subsequent time is Ipv (k)-INC
*.
In sum, according to the boats and ships PV air-conditioner system of the utility model embodiment, by water-cooling apparatus, water-cooled cooling is carried out to photovoltaic power supply device, thus effectively can improve the power output capacity of photovoltaic array, and hot water can be provided for boats and ships.In addition, photovoltaic power supply device can be realized by control setup to the control of shifter or network of ship is that A/C supplies power with double circuit, thus can ensure that A/C at any time can run.In addition, by shifter and reversible transducer, make electric energy can carry out two-way flow between photovoltaic power supply device and network of ship, the delivery of electrical energy more than needed that photovoltaic array can be exported is to network of ship, both improve the degree of utilization of photovoltaic array, again the electrical network of boats and ships is supplemented, decrease boats and ships this part consumption of fuel for generating electricity, improve the flying power of boats and ships, the scheme of storage battery is needed in correlation technique, system cost of the present utility model is high, and safeguard simple, photovoltaic array degree of utilization is high.In addition, control to improve the output efficiency of photovoltaic array by carrying out MPPT.
Based on the structure of the boats and ships PV air-conditioner system of above-mentioned aspect embodiment, another aspect embodiment of the present utility model proposes a kind of control method of boats and ships PV air-conditioner system.Wherein, boats and ships PV air-conditioner system comprises A/C, photovoltaic power supply device and shifter.
Fig. 5 is the diagram of circuit of the control method of boats and ships PV air-conditioner system according to an embodiment of the present utility model.As shown in Figure 5, the control method of the boats and ships PV air-conditioner system of the utility model embodiment comprises the following steps:
S1, judges the state of A/C and photovoltaic power supply device.
Such as, judge whether A/C starts shooting, judge whether photovoltaic power supply device is in power supply state.
S2, the state according to A/C and photovoltaic power supply device controls shifter.
Particularly, boats and ships PV air-conditioner system also comprises reversible transducer, one end of reversible transducer is connected with the electrical network of boats and ships, shifter has first end to the 3rd end, and first end is connected with the other end of reversible transducer, and the second end is connected with photovoltaic power supply device, 3rd end is connected with A/C, as shown in Figure 6, the state according to A/C and photovoltaic power supply device controls shifter, and namely this step specifically comprises:
S21, when photovoltaic power supply device is in generating state, and when A/C is in open state, the second end and the 3rd termination that control shifter are logical, power for A/C to make photovoltaic power supply device.
S22, when photovoltaic power supply device is in generating state, and when A/C is in off-mode, the second end and the first end that control shifter are connected, with the mains supply making photovoltaic power supply device be boats and ships.
Now, reversible transducer receives inversion energizing signal, works in reverse DC/AC inverter mode, after the electric energy that photovoltaic array can be exported is transformed by DC/DC changer, be fed in network of ship, thus can more effectively utilize the electric energy that photovoltaic power supply device transforms.
S23, when photovoltaic power supply device is not in generating state, and when A/C is in open state, controls the first end of shifter and the 3rd termination is led to, and powers for A/C to make the electrical network of boats and ships.
Now, reversible transducer receives forward rectify control signal, works in forward AC/DC rectification state, powers for A/C to make the electrical network of boats and ships.
On the other hand, boats and ships PV air-conditioner system also comprises water-cooling apparatus and water service, and water service can be insulation water tank, and wherein, water-cooling apparatus comprises: water storehouse; The coolant inlet pipe be connected with water storehouse and water pump, the cooling pipe be connected with coolant inlet pipe, cooling pipe is arranged under electric supply installation, for cooling photovoltaic array, the coolant outlet pipe be connected with cooling pipe, coolant outlet pipe is connected with water service, as shown in Figure 7, above-mentioned control method also comprises:
S3, detects the liquid level in water service.
Such as, liquid level detector is set between insulation water tank and water pump, detects the liquid level in insulation water tank by liquid level detector.
S4, controls water pump according to liquid level.
Such as, when the liquid level that water service is such as incubated in water tank does not reach preset water level, control water pump operation and continue accumulation hot water, when liquid level reaches preset water level to make insulation water tank, control water pump is out of service or reduce flow, to prevent from overflowing.
In addition, the scheme of the natural operation point output electric energy of photovoltaic array 301 is directly taken for boats and ships PV air-conditioner in correlation technique, in an embodiment of the present utility model, photovoltaic power supply device comprises photovoltaic array and DC/DC changer, and control method also comprises: control reversible transducer and DC/DC changer according to MPPT maximum power point tracking MPPT mode.By adjusting the operation point of photovoltaic array, making its power stage reach the maxim that can reach, thus improve output efficiency.
According to the control method of the boats and ships PV air-conditioner system of the utility model embodiment, state according to A/C and photovoltaic power supply device controls shifter, thus photovoltaic power supply device can be realized or network of ship is that A/C supplies power with double circuit, thus can ensure that A/C at any time can run.In addition, by shifter and reversible transducer, make electric energy can carry out two-way flow between photovoltaic power supply device and network of ship, improve photovoltaic array degree of utilization.In addition, control to improve the output efficiency of photovoltaic array by carrying out MPPT.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in diagram of circuit or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of preferred implementation of the present utility model comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiment person of ordinary skill in the field of the present utility model.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of treater or other can from instruction execution system, device or equipment fetch instruction and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification sheets, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronics package) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM) (ROM), erasablely edit read-only memory (ROM) (EPROM or flash memory), fiber device, and portable optic disk read-only memory (ROM) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinatory logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory (ROM), disk or CD etc.Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (7)
1. a boats and ships PV air-conditioner system, is characterized in that, comprising:
A/C;
Reversible transducer, one end of described reversible transducer is connected with the electrical network of boats and ships;
Photovoltaic power supply device, described photovoltaic power supply device comprises photovoltaic array and DC/DC changer;
Shifter, described shifter has first end to the 3rd end, and described first end is connected with the other end of described reversible transducer, and described second end is connected with described photovoltaic power supply device, and described 3rd end is connected with described A/C;
Water-cooling apparatus, described water-cooling apparatus is used for cooling described photovoltaic array;
Water service, described water service is connected with described water-cooling apparatus, and described water service is used for grid water extraction in water-cooling apparatus being supplied to boats and ships; And
Control setup, described control setup is connected with described shifter, for controlling described shifter.
2. boats and ships PV air-conditioner system as claimed in claim 1, is characterized in that, wherein,
When described photovoltaic power supply device is in generating state, and when described A/C is in open state, described control setup controls the second end of described shifter and described 3rd termination is led to, and is that described A/C is powered to make described photovoltaic power supply device;
When described photovoltaic power supply device is in generating state, and when described A/C is in off-mode, described control setup controls the second end of described shifter and described first end is connected, and is the mains supply of described boats and ships to make described photovoltaic power supply device; And
When described photovoltaic power supply device is not in generating state, and when described A/C is in open state, described control setup controls the first end of described shifter and described 3rd termination is led to, and is that described A/C is powered to make the electrical network of described boats and ships.
3. boats and ships PV air-conditioner system as claimed in claim 1, it is characterized in that, described water-cooling apparatus comprises:
Water storehouse;
The coolant inlet pipe be connected with described water storehouse and water pump, described water pump is used for coolant inlet pipe described in the water suction in described water storehouse;
The cooling pipe be connected with described coolant inlet pipe, described cooling pipe is arranged under described photovoltaic array, for cooling described photovoltaic array; And
The coolant outlet pipe be connected with described cooling pipe, described coolant outlet pipe is connected with described water service.
4. boats and ships PV air-conditioner system as claimed in claim 3, it is characterized in that, described water pump is powered by described photovoltaic array.
5. boats and ships PV air-conditioner system as claimed in claim 3, is characterized in that, described water service is insulation water tank, and wherein, described water-cooling apparatus also comprises:
Liquid level detector, for detecting the liquid level in described insulation water tank; And
Fluid level controller, for controlling described water pump according to the liquid level in described insulation water tank.
6. boats and ships PV air-conditioner system as claimed in claim 1, it is characterized in that, when described photovoltaic power supply device is the mains supply of described boats and ships, described control setup also controls described DC/DC changer for the MPPT maximum power point tracking MPPT mode according to Step-varied back propagation.
7. boats and ships PV air-conditioner system as claimed in claim 3, is characterized in that, described cooling pipe adopts the arrangement of S type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616797.3U CN204548472U (en) | 2014-10-22 | 2014-10-22 | Boats and ships PV air-conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616797.3U CN204548472U (en) | 2014-10-22 | 2014-10-22 | Boats and ships PV air-conditioner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204548472U true CN204548472U (en) | 2015-08-12 |
Family
ID=53823616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616797.3U Withdrawn - After Issue CN204548472U (en) | 2014-10-22 | 2014-10-22 | Boats and ships PV air-conditioner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204548472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354848A (en) * | 2014-10-22 | 2015-02-18 | 广东美的制冷设备有限公司 | Photovoltaic air-conditioning system for ship and control method thereof |
-
2014
- 2014-10-22 CN CN201420616797.3U patent/CN204548472U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354848A (en) * | 2014-10-22 | 2015-02-18 | 广东美的制冷设备有限公司 | Photovoltaic air-conditioning system for ship and control method thereof |
| CN104354848B (en) * | 2014-10-22 | 2017-06-27 | 广东美的制冷设备有限公司 | Ship PV air-conditioner system and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105846468B (en) | Wind power hydrogen production device and control method | |
| CN106091744B (en) | Data center machine room, greenhouse and Power Cycle | |
| US20200018230A1 (en) | Compressed air energy storage power generation device | |
| JP2016106556A (en) | Plant cultivation system | |
| CN105222396A (en) | Solar air source water source associating heating | |
| KR102221157B1 (en) | A cooling system for solar module | |
| KR102295325B1 (en) | Residential complex energy system using solar energy and geothermal energy | |
| CN203719233U (en) | Solar heat pump cogeneration system | |
| CN103836835B (en) | Solar heat pump co-generation unit | |
| CN106194690B (en) | Control device, current transformer, photovoltaic water pump system and its control method | |
| CN215185881U (en) | Energy storage and supply system | |
| CN204548472U (en) | Boats and ships PV air-conditioner system | |
| CN213777864U (en) | Flow distribution device of multi-element heat supply heat source | |
| KR20130066108A (en) | System for managing photovoltaic array | |
| CN112665004A (en) | Heat supply control method and special device of solar heat supply system | |
| CN104354848A (en) | Photovoltaic air-conditioning system for ship and control method thereof | |
| CN106440018A (en) | Tandem type heating energy-saving control system and method | |
| JP2021071216A (en) | Heat source storage system utilizing solar power generation | |
| CN109113930A (en) | View energy source heat pump system | |
| CN211822670U (en) | Solar heating system and special device | |
| CN109681952B (en) | Photovoltaic and photo-thermal hybrid heat pump system | |
| CN104734180A (en) | Power supply control method and system | |
| CN114087095A (en) | Cold region mobile power pack station black start preheating system | |
| CN205783244U (en) | A kind of dual power supply drives circulating device | |
| CN111412567A (en) | Temperature monitoring control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20170627 |