CN117277835A - Photovoltaic inverter case and photovoltaic inverter - Google Patents
Photovoltaic inverter case and photovoltaic inverter Download PDFInfo
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- CN117277835A CN117277835A CN202311266113.1A CN202311266113A CN117277835A CN 117277835 A CN117277835 A CN 117277835A CN 202311266113 A CN202311266113 A CN 202311266113A CN 117277835 A CN117277835 A CN 117277835A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 37
- 238000009423 ventilation Methods 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 17
- 239000003595 mist Substances 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 130
- 238000005507 spraying Methods 0.000 description 18
- 230000017525 heat dissipation Effects 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000013021 overheating Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- 238000009834 vaporization Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of photovoltaic power generation, and particularly discloses a photovoltaic inverter case and a photovoltaic inverter, wherein the photovoltaic inverter case comprises a case main body, and a cooling fan and cooling fins are respectively arranged on two sides of the case main body; the inner wall of the case body is provided with a gas storage cavity which is positioned at the outer side of the cooling fan; the cooling mechanism is located the chassis main part outside, this kind of photovoltaic inverter machine case and photovoltaic inverter, cooling mechanism through setting up can cool down the wind that radiator fan blown out, and blow the air current after the cooling to the fin in order to cooperate the fin to cool down, and if the temperature of machine incasement portion continues when rising, through the cooling mechanism spun air current of setting up can mix water smoke and dispel the heat together the fin, improve the heat dispersion of machine incasement portion, improve solar power plant's overall electric energy output, consequently, the photovoltaic inverter who has above-mentioned photovoltaic inverter machine case has stronger heat dispersion.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic inverter case and a photovoltaic inverter.
Background
The photovoltaic inverter, abbreviated as inverter, is a key device for converting direct current electric energy generated in a solar photovoltaic system into alternating current electric energy, the inverter converts direct current output by a photovoltaic module into alternating current required by a power grid by using an electronic device and a control algorithm, a photovoltaic inverter case is a shell for loading the photovoltaic inverter and related devices, and the photovoltaic inverter case is generally composed of the inverter, an alternating current circuit breaker, an electric energy metering device, a controller and other components and provides functions of protection, cooling, a mounting bracket and the like.
A solar power station is a power generation facility for converting light energy into electric energy by using solar illumination, which converts solar radiation into direct current by using a solar panel and converts the direct current into alternating current to supply power to home, industrial or commercial equipment by using a photovoltaic inverter, and for some large-sized solar power stations, since the power station is large in size, a plurality of inverters are required to be installed, so that a photovoltaic inverter case is usually installed outdoors for convenient maintenance and heat dissipation, but in hot summer, when the ambient temperature increases, the air temperature around the photovoltaic inverter case increases due to high temperature, resulting in a weakening effect of heat dissipation, since the radiator radiates heat by means of heat exchange with ambient air, if the ambient air temperature is high, the heat dissipation effect is limited, and it is difficult to effectively reduce the temperature inside the case, the high temperature environment can cause the resistance of the conductive material of the electronic components in the inverter to increase, so that the efficiency of energy conversion is reduced, and the inverter can generate heat during operation, when the temperature is increased, the power loss of the inverter can also increase, further the case is overheated, in order to avoid the harm caused by overheating, a temperature sensor is generally installed and a related protection device is provided, once the temperature of the case exceeds a preset range, protection measures such as reducing the output power or disconnecting the power supply are automatically started, and the processing mode can avoid the damage of the photovoltaic inverter in time when the overheating occurs, but reducing the output power or even disconnecting the power supply means that the solar power station cannot maximally utilize the electric energy generated by the photovoltaic module, so that the electric energy yield is reduced, and if the overheating problem continuously exists, the protection mechanism for reducing the output power can be frequently triggered, further reducing the overall electrical energy yield of the solar power station. For this purpose, we propose a photovoltaic inverter case and a photovoltaic inverter.
Disclosure of Invention
The invention aims to provide a photovoltaic inverter case and a photovoltaic inverter, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a photovoltaic inverter case comprises a case main body, wherein both sides of the case main body are respectively provided with a cooling fan and cooling fins; the inner wall of the case body is provided with a gas storage cavity which is positioned at the outer side of the cooling fan; the cooling mechanism is located the chassis main part outside, and cooling mechanism and gas storage chamber intercommunication, cooling mechanism can cool down radiator fan exhaust wind and make the air current after the cooling cool down the fin.
Preferably, the cooling mechanism includes the storage water tank with quick-witted case main part outside fixed connection, two ventilation slots have been seted up to the storage water tank inner wall, the ventilation slot encircles on the storage water tank surface, storage water tank is close to radiator fan one side fixedly connected with intake pipe, intake pipe one end and two ventilation slots intercommunication, the intake pipe other end and gas storage chamber intercommunication, the intake pipe inner wall is equipped with the regulating part that can control the air current flow direction, storage water tank is close to two gas-supply pipes of fin one side fixedly connected with, two gas-supply pipes communicate with two ventilation slots respectively, gas-supply pipe keeps away from storage water tank one end fixedly connected with joint box, joint box and quick-witted case main part fixed connection, joint box fixed surface is connected with a plurality of shower nozzles, shower nozzle and joint box intercommunication, arbitrary joint box inner wall is equipped with the atomizing piece that can add the water smoke to the joint box in.
Preferably, the regulating part comprises a separation bin and a regulating bin, wherein the separation bin is positioned on the inner wall of the air inlet pipe, the separation bin is provided with two air vent grooves and is communicated with the two air vent grooves respectively, the inner wall of the regulating bin is fixedly connected with two air outlet pipes, the outer side of the air inlet pipe is fixedly connected with a plurality of connecting pipes, one end of each connecting pipe is communicated with the air outlet pipe, the other end of each connecting pipe is communicated with the separation bin, and the inner wall of the regulating bin is provided with a sealing part capable of sealing the air outlet pipe.
Preferably, the sealing piece is including the support frame that is located the regulation storehouse inner wall, support frame inner wall sliding connection has the sealed tube, sealed tube inner wall is equipped with paraffin, sealed tube both ends are fixedly connected with sealing plate respectively, sealing plate and outlet duct inner wall sliding connection, sealed tube inner wall sliding connection has the push rod, push rod one end wears out sealed tube inner wall and outlet duct inner wall fixed connection, the sealed tube outside is equipped with reset spring, reset spring one end and sealing plate fixed connection, the reset spring other end and support frame fixed connection.
Preferably, the outlet duct is horn-shaped.
Preferably, the atomizing piece includes the jet-propelled pipe with junction box inner wall fixed connection, jet-propelled pipe and gas-supply pipe intercommunication, the jet-propelled pipe outside is equipped with the mount, mount and junction box inner wall fixed connection are equipped with the water sucking tank between mount and the jet-propelled pipe, a plurality of inlet ports have been seted up to the junction box inner wall, junction box inner wall fixedly connected with gas inlet tube, gas inlet tube and inlet port intercommunication, gas inlet tube is located the jet-propelled pipe top, gas inlet tube inner wall fixedly connected with pin, the pin is located the jet-propelled pipe top, the junction box outside is equipped with the interpolation piece that can add water in the junction box at certain interval, interpolation piece and storage water tank intercommunication.
Preferably, the adding piece includes the inlet tube with connecting box outside fixed connection, and connecting box one end and storage water tank bottom intercommunication are kept away from to the inlet tube, and the storage water tank inner wall has seted up the rotary tank, and the air inlet has been seted up to the rotary tank inner wall, and air inlet one end and ventilation groove intercommunication, rotary tank inner wall rotate and are connected with the swivel becket, and the intercommunication mouth has been seted up on the swivel becket surface, and the rotary tank inner wall is equipped with can drive swivel becket pivoted driving piece.
Preferably, the driving piece comprises a toothed ring rotationally connected with the inner wall of the rotary groove, the toothed ring is fixedly connected with the rotary ring, transmission teeth are meshed on the outer side of the toothed ring and rotationally connected with the inner wall of the rotary groove, an impeller is fixedly connected above the transmission teeth, the impeller is rotationally connected with the inner wall of the rotary groove, and one part of the impeller is positioned in the ventilation groove.
Preferably, the end of the gas lance near the stop lever is tapered.
The invention provides the following technical scheme: a photovoltaic inverter comprising a photovoltaic inverter enclosure as in any one of the above embodiments.
The invention has at least the following beneficial effects:
this application when using, can cool down and make the air current after the cooling fan exhaust wind through the cooling mechanism that sets up cool down the fin, relative and among the prior art, in order to avoid the harm that overheat produced, generally can install temperature sensor and be equipped with relevant protection device, in case temperature surpasses the default scope, automatic start protection measure, if reduce output or disconnection power, this kind of processing mode is in time avoided photovoltaic inverter to take place to damage when taking place to overheat, but reduce output even disconnection power means that solar power plant can't maximize the electric energy that utilizes photovoltaic module to produce, lead to electric energy output to reduce, and if overheat problem persists, this kind of protection mechanism that reduces output can frequently trigger, further reduce solar power plant's overall electric energy output, this application can cool down the wind that the cooling fan blows out, and blow the air current after the cooling to the fin in order to cooperate to cool down the fin, and if the inside temperature of machine case continues to rise when, through the air current of the cooling mechanism that sets up can mix together the fin and damage, improve the electric energy that heat dissipation fin, thereby the photovoltaic inverter that has the inside electric energy that has the inside of improvement photovoltaic inverter, the effect that the photovoltaic inverter produced, the solar power plant has the heat dissipation efficiency of heat dissipation, and the high-resistant inverter that has the overall heat dissipation efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic rear view of the structure of the present invention;
FIG. 3 is a schematic side cross-sectional view of the structure of the present invention;
FIG. 4 is a schematic rear cross-sectional view of the structure of the present invention;
FIG. 5 is a schematic view of a cross-sectional front view of an air inlet pipe of the structure of the present invention;
FIG. 6 is a schematic front cross-sectional view of a structural closure of the present invention;
FIG. 7 is a schematic front cross-sectional view of a structural atomizer of the present invention;
FIG. 8 is a schematic view of a cross-sectional front view of a structural communication port of the present invention;
FIG. 9 is a schematic side cross-sectional view of a structural driver of the present invention;
fig. 10 is an enlarged schematic view of the area a in fig. 9.
In the figure: 1-a case main body; 2-a heat radiation fan; 3-heat sink; 4-an air storage cavity; 5-a cooling mechanism; 50-a water storage tank; 51-a vent groove; 52-an air inlet pipe; 53-an adjusting member; 54-gas pipe; 55-junction box; 56-spray head; 57-atomizing member; 58-dividing bins; 59-adjusting the bin; 510-an air outlet pipe; 511-connecting the tubes; 512-closure; 513-a support; 514-sealing the tube; 515-paraffin; 516-closing plate; 517-push rod; 518-a return spring; 519-gas lance; 520-fixing frame; 521-a water suction tank; 522-an air inlet hole; 523-air inlet cylinder; 524-stop lever; 525-an additive; 526-a water inlet pipe; 527-a rotating groove; 528-air inlet; 529-rotating ring; 530-a communication port; 531-a driver; 532-toothed ring; 533-drive teeth; 534-impeller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-10, the present invention provides a technical solution: a photovoltaic inverter case and a photovoltaic inverter comprise a case main body 1, a cooling fan 2 and cooling fins 3 which are respectively positioned at two sides of the case main body 1; the inner wall of the case body 1 is provided with an air storage cavity 4, and the air storage cavity 4 is positioned at the outer side of the cooling fan 2; the cooling mechanism 5, cooling mechanism 5 is located the chassis main part 1 outside, cooling mechanism 5 and gas storage chamber 4 intercommunication, cooling mechanism 5 can cool down radiator fan 2 exhaust wind and make the air current after the cooling cool down fin 3, when using, fix chassis main part 1 on the shelf of photovoltaic power generation board below, when photovoltaic inverter during operation, radiator fan 2 rotates with the cooperation with the inside hot air discharge of chassis main part 1, the fin 3 utilizes the heat conduction to dispel the heat to the chassis inside simultaneously, cooling mechanism 5 through setting up can cool down radiator fan 2 blowout wind, and blow the air current after the cooling down to fin 3 in order to cooperate to cool down fin 3, and if the temperature of chassis inside continues to rise, the air current through the cooling mechanism 5 blowout of setting up can mix the water smoke together and dispel the heat to fin 3, improve the cooling effect to fin 3, thereby improve the heat dispersion of chassis inside, reduce the trigger frequency of the protection mechanism of output, improve the overall electric energy output of solar power station.
The cooling mechanism 5 comprises a water storage tank 50 fixedly connected with the outer side of the case body 1, two ventilation grooves 51 are formed in the inner wall of the water storage tank 50, the ventilation grooves 51 encircle the surface of the water storage tank 50, an air inlet pipe 52 is fixedly connected to one side of the water storage tank 50 close to the cooling fan 2, one end of the air inlet pipe 52 is communicated with the two ventilation grooves 51, the other end of the air inlet pipe 52 is communicated with the air storage cavity 4, an adjusting piece 53 capable of controlling the airflow direction is arranged on the inner wall of the air inlet pipe 52, two air delivery pipes 54 are fixedly connected to one side of the water storage tank 50 close to the cooling fin 3, the two air delivery pipes 54 are respectively communicated with the two ventilation grooves 51, a connecting box 55 is fixedly connected to one end of the air delivery pipe 54 far from the water storage tank 50, the connecting box 55 is fixedly connected with the case body 1, a plurality of spray heads 56 are fixedly connected to the surface of the connecting box 55, the spray heads 56 are communicated with the connecting box 55, an atomization piece 57 capable of adding water mist into the connecting box 55 is arranged on the inner wall of any connecting box 55, when the cooling fan is used, hot air blown out by the cooling fan 2 is blown to the regulating part 53 through the air inlet pipe 52, the regulating part 53 can guide the air flow to different ventilation grooves 51 according to the temperature of the air flow, if the temperature of the air flow blown out by the cooling fan 2 is not high, the regulating part 53 guides the air flow to the ventilation groove 51 positioned below, when the air flow flows in the ventilation groove 51, the heat of the air flow is transferred into the water storage tank 50 through heat conduction, so that the temperature of the air flow is reduced, the cooled air flow enters the connecting box 55 below through the air conveying pipe 54, and finally is blown to the cooling fin 3 through the spray head 56, and when the air flow is blown to the cooling fin 3, the air wall is formed on the surface of the cooling fin 3 while the heat dissipation of the cooling fin 3 is assisted, and sundries such as dust and grass roots in the outdoor environment are prevented from being attached to the surface of the cooling fin 3; when the temperature in the case body 1 continues to rise, the temperature of the air flow blown by the cooling fan 2 will rise, a part of the air flow can be guided into the upper ventilation groove 51 by the adjusting piece 53 according to the temperature of the air flow, the air flow in the upper ventilation groove 51 enters the upper connection box 55 by the air pipe 54 after being cooled, and when the air flow enters the connection box 55, water mist can be generated by the atomizing piece 57, so that the upper spray head 56 can spray water mist, at this time, the upper spray head 56 sprays water mist to the cooling fins 3, the lower spray head 56 sprays air flow to the cooling fins 3, and the air flow and the water mist cooperate to cool the cooling fins 3; if the temperature in the case body 1 continues to rise, the adjusting piece 53 works to enable the air flow to completely enter the ventilation groove 51 positioned above and enter the connecting box 55 positioned above through the air pipe 54, the atomizing piece 57 in the connecting box 55 works to enable the spray head 56 positioned above to spray a large amount of water mist, the water mist is vaporized and absorbs heat to take away heat to cooperate with the cooling fin 3 to quickly cool, and through switching of three cooling modes, the cooling fin 3 is prevented from being corroded due to long-time contact with the water mist.
The adjusting part 53 comprises a separation bin 58 and an adjusting bin 59 which are positioned on the inner wall of the air inlet pipe 52, the separation bin 58 is provided with two air outlet pipes 510 which are respectively communicated with the two air vent grooves 51, the inner wall of the adjusting bin 59 is fixedly connected with the two air outlet pipes 510, the shape of each air outlet pipe 510 is in a horn shape, the outer side of the air inlet pipe 52 is fixedly connected with a plurality of connecting pipes 511, one end of each connecting pipe 511 is communicated with the air outlet pipe 510, the other end of each connecting pipe 511 is communicated with the separation bin 58, the inner wall of the adjusting bin 59 is provided with a sealing part 512 which can seal the air outlet pipe 510, when the adjusting part 53 works, air flow in the air outlet pipe 510 enters the adjusting bin 59 and then blows to the sealing part 512, the sealing part 512 is used for sealing the air outlet pipe 510 according to the temperature adjustment of the air flow, and in an initial state, the sealing part 512 only seals the air outlet pipe 510 positioned above, so that the air flow can only enter the connecting pipe 511 through the lower air outlet pipe 510 and enter the separation bin 58 through the connecting pipe 511, enter the air vent groove 51 positioned below through the separation bin 58, and gradually release the blocking of the upper air outlet pipe 510 by the sealing piece 512 along with the increase of the temperature of the air flow, so that the air flow can pass through the air vent groove 51 positioned above, the upper spray head 56 can spray water mist on the surface of the cooling fin 3, and the sealing piece 512 completely opens the upper air outlet pipe 510 along with the continuous increase of the temperature, and simultaneously blocks the air outlet pipe 510 positioned below, so that the air flow completely enters the air vent groove 51 positioned above, and then the air flow entering the connecting box 55 is increased, and a large amount of water mist is sprayed by the spray head 56 to cooperate with the rapid cooling of the cooling fin 3, thereby avoiding the overheating inside the machine case.
The sealing element 512 comprises a supporting frame 513 positioned on the inner wall of the regulating bin 59, the inner wall of the supporting frame 513 is connected with a sealing tube 514 in a sliding way, paraffin 515 is positioned on the inner wall of the sealing tube 514, two ends of the sealing tube 514 are respectively and fixedly connected with a sealing plate 516, the sealing plate 516 is connected with the inner wall of the air outlet tube 510 in a sliding way, the inner wall of the sealing tube 514 is connected with a push rod 517 in a sliding way, one end of the push rod 517 penetrates out of the inner wall of the sealing tube 514 and is fixedly connected with the inner wall of the air outlet tube 510, a reset spring 518 is positioned on the outer side of the sealing tube 514, one end of the reset spring 518 is fixedly connected with the sealing plate 516, the other end of the reset spring 518 is fixedly connected with the supporting frame 513, when the sealing element 512 works, after air flow in the air outlet tube 510 blows to the sealing tube 514, the paraffin 515 is in a solid state initially, if the temperature of the air is low and the melting point of the paraffin 515 is low, the paraffin 515 is not melted, the sealing plate 516 positioned above the sealing plate 516 is attached to the inner wall of the air outlet tube 510 above, the air flow can only be discharged through the lower air outlet pipe 510, as the temperature of the air rises, the paraffin 515 begins to melt and expand, and generates upward thrust to the push rod 517 under the action of expansion tension, because the push rod 517 is fixed with the inner wall of the air outlet pipe 510, the sealing pipe 514 moves downwards under the action of the reverse thrust, the sealing pipe 514 drives the upper sealing plate 516 to slide downwards and extrude the reset spring 518, and the sealing pipe 514 pushes the lower sealing plate 516 to seal the lower air outlet pipe 510, so that as the temperature of the air rises, the opening of the upper air outlet pipe 510 is larger, the opening of the lower air outlet pipe 510 is smaller, the air entering the upper air vent groove 51 is increased, and the water mist sprayed out by the upper Fang Pentou is more and more, so that the heat dissipation of the radiating fin 3 is accelerated, and the case inside is prevented from being overheated.
The atomizing member 57 comprises a gas spraying pipe 519 fixedly connected with the inner wall of the connection box 55, one end of the gas spraying pipe 519, close to a stop lever 524, is conical, so that the diameter in the gas spraying pipe 519 is excessively increased from large to small to match with the speed of the gas spraying pipe 519 spraying out gas flow, the gas spraying pipe 519 is communicated with the gas spraying pipe 54, a fixing frame 520 is positioned on the outer side of the gas spraying pipe 519, the fixing frame 520 is fixedly connected with the inner wall of the connection box 55, a water suction groove 521 is formed between the fixing frame 520 and the gas spraying pipe 519, a plurality of gas inlets 522 are formed in the inner wall of the connection box 55, an air inlet cylinder 523 is fixedly connected with the inner wall of the connection box 55, the air inlet cylinder 523 is communicated with the gas inlets 522, the air inlet cylinder 523 is positioned above the gas spraying pipe 519, the stop lever 524 is positioned above the gas spraying pipe 519, an adding member 525 capable of adding water into the connection box 55 at intervals for a certain time is arranged on the outer side of the connection box 55, the adding member 525 is communicated with the water storage tank 50, and when the atomizing member 57 works, the air pipe 54 sends air flow into the air spraying pipe 519, the diameter in the air spraying pipe 519 is excessive from large to small, so that the speed of the air flow is increased when the air spraying pipe 519 is sprayed out, a low-pressure area is formed at the end part of the air spraying pipe 519 due to the high flow speed of the air flow, water at the bottom of the connecting box 55 is pressed to the end part of the air spraying pipe 519 through the water suction groove 521 under the action of atmospheric pressure, the external air flow enters the connecting box 55 through the air inlet 522, the high-speed air flow sprayed out from the end part of the air spraying pipe 519 is matched with the stop lever 524 to break up the water into water mist, water can be automatically added into the connecting box 55 through the arranged adding part 525 to be matched with the air spraying pipe 519 to generate water, the water mist can be sprayed onto the surface of the radiating fin 3 through vaporization and heat absorption, the water mist can be cooled down through the radiating fin 3, and the water can be automatically added into the connecting box 55 through the arranged adding part 525, to cooperate with the gas lances 519 to produce a mist of water.
The adding part 525 comprises a water inlet pipe 526 fixedly connected with the outer side of the connecting box 55, one end of the water inlet pipe 526, which is far away from the connecting box 55, is communicated with the bottom of the water storage tank 50, a rotary groove 527 is formed in the inner wall of the water storage tank 50, an air inlet 528 is formed in the inner wall of the rotary groove 527, one end of the air inlet 528 is communicated with the air inlet 528, a rotary ring 529 is rotatably connected to the inner wall of the rotary groove 527, a communication port 530 is formed in the surface of the rotary ring 529, a driving part 531 capable of driving the rotary ring 529 to rotate is arranged on the inner wall of the rotary groove 527, when the adding part 525 works, the driving part 531 drives the rotary ring 529 to rotate, the rotary ring 529 rotates, so that when the communication port 530 corresponds to the air inlet 528, a part of air flow in the air inlet 51 can enter the water storage tank 50, and water in the water storage tank 50 is pushed into the connecting box 55 through the water inlet 526, when the communication port 530 is misplaced with the air inlet 528, the inner wall of the rotary ring 529 can seal the air inlet 528, and water storage tank 50 can be automatically added into the connecting box 55 at intervals, and water consumption in the connecting box 55 is avoided.
The driving piece 531 includes the toothed ring 532 of being connected with the rotation groove 527 inner wall rotation, toothed ring 532 and rotation ring 529 fixed connection, toothed ring 532 outside meshing has the transmission tooth 533, transmission tooth 533 and rotation groove 527 inner wall rotation connection, transmission tooth 533 top fixedly connected with impeller 534, impeller 534 and rotation groove 527 inner wall rotation connection, impeller 534 is located the inside of ventilation groove 51 partly, during the driving piece 531 during operation, the air current in the ventilation groove 51 promotes impeller 534 rotation, impeller 534 drives the rotation of transmission tooth 533, the transmission tooth 533 drives toothed ring 532 rotation, toothed ring 532 drives rotation ring 529 and makes rotation ring 529 rotate in order to cooperate and make every round of intercommunication mouth 530 of rotation ring 529 all can correspond with air inlet 528, and make the air current can promote the water in the storage tank 50 to get into in the junction box 55, add the water in the junction box 55, and when the air current speed in the ventilation groove 51 is accelerated, and the consumption of water in the junction box 55 is also accelerated, and the speed of air current in the ventilation groove 51 is fast, make the rotation speed of impeller 534 drive the transmission tooth 533 rotate, the rotation speed of impeller 534 drive tooth 533 drive the rotation of tooth ring 533, the speed of leading to be increased, thereby the frequency of tooth ring 533 drive the rotation ring 528, the frequency of the connection box 55 is increased, the speed of leading to the rotation ring 528, the frequency of the increase, and the frequency of the connection of the rotation ring 528, and the speed of the connection box 55 are avoided.
Example two
The application also provides a photovoltaic inverter, wherein the photovoltaic inverter case is adopted by the photovoltaic inverter, and because the photovoltaic inverter case has strong heat dissipation performance, the photovoltaic inverter has strong heat dissipation performance.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A photovoltaic inverter chassis comprising:
the case comprises a case body (1), wherein both sides of the case body (1) are respectively provided with a cooling fan (2) and cooling fins (3);
the method is characterized in that:
the inner wall of the case main body (1) is provided with an air storage cavity (4), and the air storage cavity (4) is positioned at the outer side of the cooling fan (2);
the cooling mechanism (5), cooling mechanism (5) are located the chassis main part (1) outside, cooling mechanism (5) and gas storage chamber (4) intercommunication, cooling mechanism (5) can cool down radiator fan (2) exhaust wind and make the air current after the cooling cool down fin (3).
2. The photovoltaic inverter cabinet of claim 1 wherein: the cooling mechanism (5) comprises a water storage tank (50) fixedly connected with the outer side of the case body (1), two air delivery grooves (51) are formed in the inner wall of the water storage tank (50), the air delivery grooves (51) are formed in the surface of the water storage tank (50) in a surrounding mode, an air inlet pipe (52) is fixedly connected to one side of the water storage tank (50) close to the cooling fan (2), one end of the air inlet pipe (52) is communicated with the two air delivery grooves (51), the other end of the air inlet pipe (52) is communicated with the air storage cavity (4), an adjusting piece (53) capable of controlling airflow direction is arranged on the inner wall of the air inlet pipe (52), two air delivery pipes (54) are fixedly connected to one side of the water storage tank (50) close to the cooling fin (3), two air delivery pipes (54) are respectively communicated with the two air delivery grooves (51), one end of each air delivery pipe (54) is fixedly connected with a connecting box (55), the connecting box (55) is fixedly connected to one side of the case body (1), a plurality of spray heads (56) are fixedly connected to the surface of the connecting box (55), and one spray head (56) is communicated with any connecting box (55), and the inner wall (55) can be added with mist.
3. The photovoltaic inverter cabinet of claim 2 wherein: the utility model provides an adjusting part (53) is including separating storehouse (58) and regulation storehouse (59) that are located intake pipe (52) inner wall, separate storehouse (58) are provided with two and communicate in two ventilation slots (51) respectively, it has two outlet duct (510) to adjust storehouse (59) inner wall fixedly connected with, intake pipe (52) outside fixedly connected with a plurality of connecting pipes (511), connecting pipe (511) one end and outlet duct (510) intercommunication, connecting pipe (511) other end and separation storehouse (58) intercommunication, it is equipped with can with outlet duct (510) confined closure piece (512) to adjust storehouse (59) inner wall.
4. A photovoltaic inverter cabinet according to claim 3, characterized in that: the utility model provides a sealing member (512) is including being located support frame (513) of adjusting storehouse (59) inner wall, support frame (513) inner wall sliding connection has sealed tube (514), sealed tube (514) inner wall is equipped with paraffin (515), sealed tube (514) both ends are fixedly connected with sealing plate (516) respectively, sealing plate (516) and outlet duct (510) inner wall sliding connection, sealed tube (514) inner wall sliding connection has push rod (517), sealed tube (514) inner wall and outlet duct (510) inner wall fixed connection are worn out to push rod (517) one end, sealed tube (514) outside is equipped with reset spring (518), reset spring (518) one end and sealing plate (516) fixed connection, reset spring (518) other end and support frame (513) fixed connection.
5. A photovoltaic inverter cabinet according to claim 3, characterized in that: the air outlet pipe (510) is in a horn shape.
6. The photovoltaic inverter cabinet of claim 2 wherein: the utility model provides an atomizing piece (57) include with junction box (55) inner wall fixed connection's jet-propelled pipe (519), jet-propelled pipe (519) and gas-supply pipe (54) intercommunication, jet-propelled pipe (519) outside is equipped with mount (520), mount (520) and junction box (55) inner wall fixed connection, be equipped with water intake tank (521) between mount (520) and jet-propelled pipe (519), a plurality of inlet port (522) have been seted up to junction box (55) inner wall, junction box (55) inner wall fixedly connected with inlet cylinder (523), inlet cylinder (523) and inlet port (522) intercommunication, inlet cylinder (523) are located jet-propelled pipe (519) top, inlet cylinder (523) inner wall fixedly connected with pin (524), pin (524) are located jet-propelled pipe (519) top, junction box (55) outside is equipped with can be interval certain time to add water adding piece (525) in junction box (55), adding piece (525) and storage water tank (50) intercommunication.
7. The photovoltaic inverter cabinet of claim 6 wherein: the utility model discloses a water storage tank, including connecting box (55) outside fixed connection's inlet tube (526), connecting box (55) one end and storage water tank (50) bottom intercommunication are kept away from to inlet tube (526), rotation groove (527) have been seted up to storage water tank (50) inner wall, air inlet (528) have been seted up to rotation groove (527) inner wall, air inlet (528) one end and ventilation groove (51) intercommunication, rotation groove (527) inner wall rotation is connected with rotation ring (529), communication port (530) have been seted up on rotation ring (529) surface, rotation groove (527) inner wall is equipped with can drive rotation ring (529) pivoted driving piece (531).
8. The photovoltaic inverter cabinet of claim 7 wherein: the driving piece (531) includes tooth ring (532) of being connected with rotation groove (527) inner wall rotation, tooth ring (532) and rotation ring (529) fixed connection, tooth ring (532) outside meshing has driving tooth (533), driving tooth (533) are connected with rotation groove (527) inner wall rotation, driving tooth (533) top fixedly connected with impeller (534), impeller (534) are connected with rotation groove (527) inner wall rotation, impeller (534) are located inside ventilation groove (51).
9. The photovoltaic inverter cabinet of claim 6 wherein: the air ejector tube (519) is conical near one end of the stop rod (524).
10. A photovoltaic inverter, characterized by: comprising the following steps: the photovoltaic inverter enclosure of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311266113.1A CN117277835B (en) | 2023-09-27 | 2023-09-27 | Photovoltaic inverter case and photovoltaic inverter |
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| CN202311266113.1A CN117277835B (en) | 2023-09-27 | 2023-09-27 | Photovoltaic inverter case and photovoltaic inverter |
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| CN117277835A true CN117277835A (en) | 2023-12-22 |
| CN117277835B CN117277835B (en) | 2024-03-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101932187B1 (en) * | 2018-07-10 | 2018-12-24 | (주)유니테스트 | A heat radiating structure of sunlight generation inverter |
| CN214674909U (en) * | 2021-01-25 | 2021-11-09 | 浙江腾圣储能技术有限公司 | Radiator with high heat dissipation performance for photovoltaic inverter |
| CN215378775U (en) * | 2021-08-04 | 2021-12-31 | 深圳索瑞德电子有限公司 | Photovoltaic energy storage inverter with good heat dissipation performance |
| CN217545887U (en) * | 2021-12-28 | 2022-10-04 | 江苏友创信息技术有限公司 | Off-grid photovoltaic inverter with good heat dissipation effect |
| JP3240501U (en) * | 2022-03-29 | 2023-01-13 | ▲華▼能新疆能源▲開▼▲発▼有限公司新能源▲東▼疆分公司 | High efficiency inverter heat dissipation device |
-
2023
- 2023-09-27 CN CN202311266113.1A patent/CN117277835B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101932187B1 (en) * | 2018-07-10 | 2018-12-24 | (주)유니테스트 | A heat radiating structure of sunlight generation inverter |
| CN214674909U (en) * | 2021-01-25 | 2021-11-09 | 浙江腾圣储能技术有限公司 | Radiator with high heat dissipation performance for photovoltaic inverter |
| CN215378775U (en) * | 2021-08-04 | 2021-12-31 | 深圳索瑞德电子有限公司 | Photovoltaic energy storage inverter with good heat dissipation performance |
| CN217545887U (en) * | 2021-12-28 | 2022-10-04 | 江苏友创信息技术有限公司 | Off-grid photovoltaic inverter with good heat dissipation effect |
| JP3240501U (en) * | 2022-03-29 | 2023-01-13 | ▲華▼能新疆能源▲開▼▲発▼有限公司新能源▲東▼疆分公司 | High efficiency inverter heat dissipation device |
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| CN117277835B (en) | 2024-03-15 |
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