CN110190758B - Photovoltaic inverter with stable performance - Google Patents
Photovoltaic inverter with stable performance Download PDFInfo
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- CN110190758B CN110190758B CN201910357544.6A CN201910357544A CN110190758B CN 110190758 B CN110190758 B CN 110190758B CN 201910357544 A CN201910357544 A CN 201910357544A CN 110190758 B CN110190758 B CN 110190758B
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- 238000007664 blowing Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 39
- 229920000297 Rayon Polymers 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 16
- 239000011111 cardboard Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
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- 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
- H02S40/10—Cleaning arrangements
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- 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
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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
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
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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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a photovoltaic inverter with stable performance, which comprises an inverter body and a protection box, wherein the inverter body is installed on a fixed plate through bolts, a plurality of groups of pressure springs arranged in a rectangular array are fixedly welded at the top end of the fixed plate, the bottom ends of the pressure springs are fixedly welded on the transverse inner wall below the protection box, a plurality of groups of air inlet devices arranged in the rectangular array are installed on one group of vertical inner walls of the protection box, a wire arranging device is installed below the air inlet device at the lowest position, an air blowing device is installed on the other group of symmetrically arranged vertical inner walls of the protection box, two groups of fixed rods arranged side by side are welded at the top end of the protection box, the protection device is connected with the fixed rods, and a solar cell panel is installed in. This photovoltaic inverter with stable performance can promote the stability of inverter body, all has good performance in aspects such as sunshade, cooling, dust removal and winding displacement.
Description
Technical Field
The invention belongs to the technical field of photovoltaic inverters, and particularly relates to a photovoltaic inverter with stable performance.
Background
An inverter is a power conditioning apparatus composed of semiconductor devices, mainly used for converting dc power into ac power, and generally includes a boost circuit and an inverter bridge circuit. The boosting circuit boosts the direct-current voltage of the solar battery to the direct-current voltage required by the output control of the inverter; the inverter bridge circuit equivalently converts the boosted direct-current voltage into alternating-current voltage with common frequency. In the 'eleven-five' period of China, photovoltaic power generation supporting equipment such as inverters and the like are in development and innovation stages, and are less concerned by policies. In the 'twelve-five' period, the trend of the photovoltaic power generation market is developed towards the whole industry chain, supporting equipment except crystal silicon and components is further concerned by the market and policy, and the trend is reflected by the fact that a reform committee lists inverters in a guidance catalogue encouragement category. A large part of photovoltaic power generation in China is arranged in the areas of Qinghai, Xinjiang, Tibet and the like, and in the areas, the high wind and the high noon temperature are factors influencing the stability of the inverter.
Therefore, in order to meet the current situation, it is urgently needed to design and produce a photovoltaic inverter with stable performance so as to meet the requirement of practical use.
Disclosure of Invention
The present invention is directed to a photovoltaic inverter with stable performance, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a photovoltaic inverter with stable performance comprises an inverter body and a protection box, wherein the inverter body is installed on a fixed plate through bolts, a plurality of groups of pressure springs arranged in a rectangular array are fixedly welded at the top end of the fixed plate, the bottom ends of the pressure springs are fixedly welded on the transverse inner wall below the protection box, a plurality of groups of air inlet devices arranged in the rectangular array are installed on one group of vertical inner walls of the protection box, a wire arranging device is installed below the air inlet device at the lowest position, an air blowing device is installed on the other group of symmetrically arranged vertical inner walls of the protection box, two groups of fixed rods arranged side by side are welded at the top end of the protection box, the fixed rods are connected with a protection device, and a solar cell panel is installed in the;
the air inlet device comprises a supporting plate, a liquid storage tank, an air inlet pipe, a condenser and a rotating plate, wherein the liquid storage tank is fixedly welded on the vertical inner wall of the protective tank through screws, a condenser pipe of the condenser is arranged in the liquid storage tank, the top end of the liquid storage tank is communicated with the air inlet pipe, the vertical section of the air inlet pipe is arranged in an inverted V shape, the left half part of the air inlet pipe is arranged in the liquid storage tank, the lower half part of the left half part of the air inlet pipe is arranged below the liquid level of the liquid storage tank, the right half part of the air inlet pipe is bonded in an inclined air inlet dug on the side surface of the protective tank through viscose, the liquid storage tank is far away from the air inlet pipe, a group of vertical outer walls are fixedly welded with inclined baffles, the vertical section of the inclined baffles is arranged in a shape of a Chinese character' hui, the lifting lug is hinged with a rotating plate through a rotating shaft, and the inclined baffle is arranged between the rotating plate and the liquid storage tank;
the wire arranging device comprises a connecting plate, a butting plate, a pressing plate, a threaded rod and a threaded pipe, wherein the connecting plate is fixedly welded on the vertical inner wall of the protection box, the threaded pipe is connected with the protection box through a connecting rod, the threaded pipe is connected with the threaded rod in a threaded manner, the bottom end of the threaded rod is connected with the butting plate through a bearing seat, the butting plate is connected with the pressing plate through a plurality of groups of welded pressure springs, the vertical section of the pressing plate is arranged to be an inverted U-shaped section, and rubber plates for protection are bonded on the top end of the connecting plate and the inner wall of the pressing plate through;
the protection device includes protection shield, swash plate, apron and cardboard, and two sets of symmetries set up the protection shield passes through the viscose and bonds fixedly, the bottom of protection shield has the swash plate through the viscose bonding, and is two sets of be provided with the apron on the protection shield, the vertical section of apron sets up the V style of calligraphy to invert, the bottom of apron bonds through the viscose has two sets of cardboards that set up between two sets of vertical portions of protection shield.
Preferably, the front end of guard box is connected with the chamber door through spring hinge rotation, install the trick lock that is used for being connected with the guard box on the chamber door, it has perspective window to dig in the rectangle recess of establishing on the chamber door through the viscose bonding.
Preferably, the air-blast device includes air-blower, diaphragm and air-out pipe, the air-blower passes through the mounting screw on the vertical inner wall fixed welded diaphragm of liquid reserve tank, the air outlet of air-blower has the air-out pipe that the inner wall bonded has the dust screen through flange joint, and bonds in the air outlet of the slope of establishing is dug to the guard box side through the viscose to one side of air-out pipe.
Preferably, still install battery and PLC in the guard box, temperature sensor is still installed to the vertical inner wall of guard box, PLC is electric connection with temperature sensor, dc-to-ac converter body, condenser and air-blower.
The invention has the technical effects and advantages that: according to the photovoltaic inverter with the stable performance, the protection box can protect the inverter body, and the pressure spring below the fixed plate can reduce the influence of factors such as external vibration on the inverter body; the solar cell panel can reasonably utilize space for photoelectric conversion, provide electric energy for the storage battery, and shade the protection box to reduce the influence of sunlight on the protection box; the air inlet device can process air, the air is mixed with water liquid, the possibility that sundries such as dust and the like enter the protective box is reduced, the condenser can cool the water liquid, cold air circulating out of the rotating plate can reduce a large amount of heat generated by the work of the inverter body, and the air blowing device can blow air, so that negative pressure is formed in the protective box, and the air inlet device can conveniently admit air; the wire arranging device can utilize the elasticity of the pressure spring to press down the wire, reasonably arrange the wire, avoid messy arrangement and cause inconvenient maintenance, can promote the stability of the inverter body, and has good performances in the aspects of sun shading, cooling, dust removal, wire arranging and the like.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of an air intake device of the present invention;
FIG. 4 is a schematic structural diagram of a cable routing device according to the present invention;
FIG. 5 is a schematic view of the blower device according to the present invention;
FIG. 6 is a right side view of the protective device of the present invention;
fig. 7 is a circuit block diagram of the present invention.
In the figure: the solar energy air conditioner comprises an inverter body 1, a fixing plate 2, a pressure spring 3, a protection box 4, an air inlet device 5, a wire arranging device 6, an air blowing device 7, a fixing rod 8, a protection device 9, a solar cell panel 10, a box door 11, a coded lock 12, a perspective window 13, a supporting plate 14, a liquid storage box 15, an air inlet pipe 16, a condenser 17, a rotating plate 18, an inclined baffle plate 19, an air blower 20, a transverse plate 21, an air outlet pipe 22, a connecting plate 23, a abutting plate 24, a pressing plate 25, a threaded rod 26, a threaded pipe 27, a protective plate 28, an inclined plate 29, a cover plate 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless otherwise indicated, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is directed.
The invention provides a photovoltaic inverter with stable performance as shown in figures 1-7, which comprises an inverter body 1 and a protection box 4, wherein the inverter body 1 is installed on a fixed plate 2 through bolts, a plurality of groups of pressure springs 3 arranged in a rectangular array are fixedly welded at the top end of the fixed plate 2, the bottom ends of the pressure springs 3 are fixedly welded on the transverse inner wall below the protection box 4, a plurality of groups of air inlet devices 5 arranged in a rectangular array are installed on one group of vertical inner walls of the protection box 4, a wire arranging device 6 is installed below the air inlet device 5 at the lowest part, an air blowing device 7 is installed on the other group of symmetrically arranged vertical inner walls of the protection box 4, two groups of fixed rods 8 arranged side by side are welded at the top end of the protection box 4, a protection device 9 is connected on each fixed rod 8, and a solar cell panel 10 is installed in, the solar cell panel 10 is used for supplying power to the storage battery;
the air inlet device 5 comprises a supporting plate 14, a liquid storage box 15, an air inlet pipe 16, a condenser 17 and a rotating plate 18, wherein the liquid storage box 15 is installed on the supporting plate 14 fixedly welded on the vertical inner wall of the protection box 4 through screws, a condenser pipe of the condenser 17 is arranged inside the liquid storage box 15, the condenser 17 is arranged to be a micro condenser, the model of the condenser 17 is arranged to be HY-25 and used for cooling water liquid, the top end of the liquid storage box 15 is communicated with the air inlet pipe 16, the vertical section of the air inlet pipe 16 is arranged to be an inverted V-shaped shape, the left half part of the air inlet pipe 16 is arranged in the liquid storage box 15, the lower half part of the left half part of the air inlet pipe 16 is arranged below the liquid level of the liquid storage box 15, the right half part of the air inlet pipe 16 is bonded in an inclined air inlet dug on the side surface of, the vertical section of the inclined baffle plate 19 is in a shape of Chinese character hui, an air outlet formed in the liquid storage box 15 is formed between two groups of vertical parts of the inclined baffle plate 19, lifting lugs are fixedly welded on the vertical outer wall of the liquid storage box 15 and are hinged to the rotating plate 18 through rotating shafts, and the inclined baffle plate 19 is arranged between the rotating plate 18 and the liquid storage box 15, so that the phenomenon that water vapor in the liquid storage box 15 is splashed out when the inclined baffle plate is not used can be avoided (in northwest areas, air is dry, and therefore the phenomenon of dampness cannot occur);
the wire arranging device 6 comprises a connecting plate 23, a resisting plate 24, a pressing plate 25, a threaded rod 26 and a threaded pipe 27, wherein the connecting plate 23 is fixedly welded on the vertical inner wall of the protection box 4, the threaded pipe 27 is connected with the protection box 4 through a connecting rod, the threaded pipe 27 is in threaded connection with the threaded rod 26, the height of the pressing plate 25 is adjustable by rotating the threaded rod 26, the bottom end of the threaded rod 26 is connected with the resisting plate 24 through a bearing seat, the resisting plate 24 is connected with the pressing plate 25 through a plurality of groups of welded pressure springs, the vertical section of the pressing plate 25 is arranged in an inverted U shape, two sides of the pressing plate 25 are used for limiting a conducting wire, and rubber plates for protection are bonded on the top end of the connecting plate 23 and the inner;
Specifically, the front end of guard box 4 is connected with chamber door 11 through spring hinge rotation, install on the chamber door 11 and be used for the trick lock 12 of being connected with guard box 4, it has perspective window 13 to bond through the viscose in the rectangle recess of digging on the chamber door 11 and establishing.
Specifically, air-blowing device 7 includes air-blower 20, diaphragm 21 and air-out pipe 22, air-blower 20 passes through the mounting screw on the fixed welded diaphragm 21 of the vertical inner wall of liquid reserve tank 15, air-out pipe 22 that air-blower 20's air outlet has the inner wall to bond there is the dust screen through flange joint, and bonds in the air outlet of the slope of establishing is dug to protection box 4 side through the viscose to one side of air-out pipe 22.
Specifically, still install battery (not seen in the figure, can arrange inverter body 1' S rear in) and PLC31 in guard box 4, the PLC31 model sets up to Siemens S7300, temperature sensor (not marked in the figure) is still installed to the vertical inner wall of guard box 4, PLC31 is electric connection with temperature sensor, inverter body 1, condenser 17 and air-blower 20.
Specifically, according to the photovoltaic inverter with stable performance, a worker can open the coded lock 12 and the box door 11, equipment in the protection box 4 is installed and maintained, the threaded rod 26 is rotated to enable the abutting plate 24 and the pressing plate 25 to move upwards, multiple groups of conducting wires are arranged on the connecting plate 23, the threaded rod 26 is rotated reversely, the pressing plate 25 can press the conducting wires to achieve fixing, when the PLC31 senses that the temperature sensed by the temperature sensor is too high in normal use, the condenser 17 and the air blower 20 can be controlled to be started, negative pressure is formed in the protection box 4 due to the work of the air blower 20, external air enters the liquid storage box 15 from the air inlet pipe 16 and is mixed with water cooled by the condenser 17, the effects of dust removal and impurity removal are achieved, the air can be cooled, then the air flows out from the air outlet pipe 22 on the other side to achieve cooling, the worker can open the cover plate 30, thereby maintain and change solar cell panel 10, when meetting sleet gale weather, sleet like this can be to protection guard box 4, and guard box 4 can block gale, protects inverter body 1, and the vibration that guard box 4 produced can be cushioned by pressure spring 3 to a certain extent, reduces the influence of vibration to inverter body 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. A photovoltaic inverter with stable performance, includes inverter body (1) and guard box (4), its characterized in that: the inverter body (1) is installed on the fixed plate (2) through bolts, a plurality of groups of pressure springs (3) arranged in a rectangular array are fixedly welded at the bottom end of the fixed plate (2), the bottom ends of the pressure springs (3) are fixedly welded on the transverse inner wall below the protection box (4), a plurality of groups of air inlet devices (5) arranged in the rectangular array are installed on one group of vertical inner walls of the protection box (4), a wire arranging device (6) is installed below the air inlet device (5) at the lowest position, an air blowing device (7) is installed on the other group of symmetrically arranged vertical inner walls of the protection box (4), two groups of fixing rods (8) arranged side by side are welded at the top end of the protection box (4), a protection device (9) is connected onto each fixing rod (8), and a solar cell panel (10) is installed in each protection device;
the air inlet device (5) comprises a supporting plate (14), a liquid storage box (15), an air inlet pipe (16), a condenser (17) and a rotating plate (18), wherein the liquid storage box (15) is installed on the supporting plate (14) fixedly welded on the vertical inner wall of the protection box (4) through screws, a condenser pipe of the condenser (17) is arranged inside the liquid storage box (15), the top end of the liquid storage box (15) is communicated with the air inlet pipe (16), the vertical section of the air inlet pipe (16) is arranged into an inverted V-shaped shape, the left half part of the air inlet pipe (16) is arranged in the liquid storage box (15), the lower half part of the left half part of the air inlet pipe (16) is arranged below the liquid level of the liquid storage box (15), the right half part of the air inlet pipe (16) is bonded in an inclined air inlet dug on the side surface of the protection box (4) through viscose, the liquid storage box (15) is far away from a set, the vertical section of the inclined baffle (19) is in a shape of Chinese character 'hui', an air outlet formed in the liquid storage tank (15) is formed between two groups of vertical parts of the inclined baffle (19), lifting lugs are fixedly welded on the vertical outer wall of the liquid storage tank (15), the lifting lugs are hinged to a rotating plate (18) through a rotating shaft, and the inclined baffle (19) is arranged between the rotating plate (18) and the liquid storage tank (15);
the wire arranging device (6) comprises a connecting plate (23), a supporting plate (24), a pressing plate (25), a threaded rod (26) and a threaded pipe (27), the connecting plate (23) is fixedly welded on the vertical inner wall of the protection box (4), the threaded pipe (27) is connected with the protection box (4) through a connecting rod, the threaded rod (26) is connected with the threaded pipe (27) in an internal thread mode, the supporting plate (24) is connected to the bottom end of the threaded rod (26) through a bearing seat, the supporting plate (24) is connected with the pressing plate (25) through a plurality of groups of welded pressure springs, the vertical section of the pressing plate (25) is arranged to be in an inverted U shape, and rubber plates for protection are bonded to the top end of the connecting plate (23) and the inner wall of the pressing plate (25) through;
protection device (9) are including protection shield (28), swash plate (29), apron (30) and cardboard, and two sets of symmetries set up protection shield (28) bond fixedly through the viscose, the bottom of protection shield (28) is bonded through the viscose and has swash plate (29), and is two sets of be provided with apron (30) on protection shield (28), the vertical section of apron (30) sets up the V style of calligraphy to the inversion, the bottom of apron (30) is bonded through the viscose has two sets of cardboards that set up between two sets of vertical portions of protection shield (28).
2. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: the front end of guard box (4) is connected with chamber door (11) through spring hinge rotation, install trick lock (12) that are used for being connected with guard box (4) on chamber door (11), it has perspective window (13) to bond through the viscose in digging the rectangle recess of establishing on chamber door (11).
3. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: air-blast device (7) include air-blower (20), diaphragm (21) and air-out pipe (22), air-blower (20) are installed on vertical inner wall fixed welded diaphragm (21) of liquid reserve tank (15) through the screw, the air outlet of air-blower (20) has air-out pipe (22) that the inner wall bonded has the dust screen through flange joint, and bonds in the air outlet of the slope of establishing is dug to protection box (4) side through the viscose to one side of air-out pipe (22).
4. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: still install battery and PLC (31) in guard box (4), temperature sensor is still installed to the vertical inner wall of guard box (4), PLC (31) are electric connection with temperature sensor, inverter body (1), condenser (17) and air-blower (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910357544.6A CN110190758B (en) | 2019-04-29 | 2019-04-29 | Photovoltaic inverter with stable performance |
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| CN201910357544.6A CN110190758B (en) | 2019-04-29 | 2019-04-29 | Photovoltaic inverter with stable performance |
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| CN110190758B true CN110190758B (en) | 2020-12-01 |
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| CN114553109B (en) * | 2022-03-29 | 2023-11-28 | 江苏富士特电气技术有限公司 | Centralized photovoltaic power station with stable output voltage |
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| CN110190758A (en) | 2019-08-30 |
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Effective date of registration: 20240116 Address after: 730000 Zhaerdun Industrial Concentration Zone, Linze County, Zhangye City, Gansu Province Patentee after: Yishite (Zhangye) Energy Storage Technology Co.,Ltd. Address before: 215000 room 1, 99 Huaxia Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: YISHITE NEW ENERGY (KUNSHAN) Co.,Ltd. |