CN116683779B - Photovoltaic inverter protection device and photovoltaic inverter thereof - Google Patents
Photovoltaic inverter protection device and photovoltaic inverter thereof Download PDFInfo
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- CN116683779B CN116683779B CN202310950252.XA CN202310950252A CN116683779B CN 116683779 B CN116683779 B CN 116683779B CN 202310950252 A CN202310950252 A CN 202310950252A CN 116683779 B CN116683779 B CN 116683779B
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- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 50
- 238000001816 cooling Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000002633 protecting effect Effects 0.000 abstract description 13
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- 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
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
-
- 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)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The invention relates to the field of photovoltaic inverters, in particular to a photovoltaic inverter protection device and a photovoltaic inverter thereof. The protective assembly comprises a base body, a protective shell is arranged at the edge of the top of the base body, two groups of sliding grooves are symmetrically formed in the top of the base body, two groups of splicing blocks are connected in each sliding groove in a sliding manner, and a group of clamping holes are formed in the top of each group of splicing blocks; install first electric putter on the one side inner wall of protecting crust, install the clean case on the output of first electric putter, the both sides wall symmetry of clean case is provided with two sets of backup pads, every group the backup pad is kept away from the equal symmetry of a side wall edge of clean case and is provided with two sets of shovel boards, every group the backup pad is kept away from a side wall center department of clean case and is all installed a set of semiconductor refrigeration piece. The embodiment improves the protection effect of the device.
Description
Technical Field
The invention belongs to the technical field of photovoltaic inverters, and particularly relates to a photovoltaic inverter protection device and a photovoltaic inverter thereof.
Background
The photovoltaic inverter is a photovoltaic inverter which converts variable direct current voltage generated by a photovoltaic solar panel into alternating current with the mains frequency and can be fed back to a commercial power transmission system.
Through retrieval, in the prior art, chinese patent publication No. CN115995943A, the publication date is authorized: 2023-04-21 discloses a photovoltaic inverter protection device, which comprises a protection box with a protection chamber and a bearing mechanism arranged at the bottom in the protection chamber, wherein the photovoltaic inverter is arranged on the bearing mechanism through a bearing seat; the bearing mechanism comprises a base with a concave cavity, and guide rails are arranged on two sides of the base; the bearing seat arranged on the concave cavity is internally provided with a supporting plate, and the problem of inconvenient use is solved by the embodiment.
The device still has the following drawbacks: when protecting, the protection device cannot freely select a heat insulation and charging installation mode through the ambient temperature, so that the internal working temperature is higher, the installation method is more complicated, the device cannot be automatically buffered to avoid damage of the device when the device is impacted, and the protection effect of the device is reduced.
Disclosure of Invention
In view of the above problems, the present invention provides a photovoltaic inverter protection device. The protective assembly comprises a base body, a protective shell is arranged at the edge of the top of the base body, two groups of sliding grooves are symmetrically formed in the top of the base body, two groups of splicing blocks are connected in each sliding groove in a sliding manner, and a group of clamping holes are formed in the top of each group of splicing blocks;
install first electric putter on the one side inner wall of protecting crust, install the clean case on the output of first electric putter, the both sides wall symmetry of clean case is provided with two sets of backup pads, every group the backup pad is kept away from and is all symmetrically provided with two sets of shovel boards on a side wall edge of clean case, every group the backup pad is kept away from a side wall center department of clean case and is all installed a set of semiconductor refrigeration piece, the laminating has the heat insulating board on the outer wall of protecting crust that slides, the heat insulating board is kept away from on a side wall of protecting crust and is installed monocrystalline silicon solar cell panel, every group all install a set of electric slipway on a side wall of first electric putter is kept away from to the backup pad, every group equal sliding connection has a set of installation piece on the output of electric slipway, every group all install a set of first sliding plate on a side wall of electric slipway, every group all install a set of guard plate on a side wall of first sliding plate, every group of electric putter all slides the laminating on the outer wall of protecting crust, every group of electric putter all installs the guard plate extension board.
Further, the cooling structure is installed to base body top center department, install the second electric putter on the top inner wall of clean case, install the pressure dish on the output of second electric putter, cup jointed the piston ring on the outer wall of pressure dish, the outer wall slip laminating of piston ring is on the inner wall of clean case.
Further, two groups of cleaning brushes are symmetrically arranged at the edge of the bottom of the cleaning box, and the output ends of the cleaning brushes are all in sliding fit on the top of the cooling structure.
Further, the center of the bottom of the cleaning box is communicated with an extrusion head, and the output end of the extrusion head is in sliding fit with the top of the cooling structure.
The utility model provides a photovoltaic inverter, includes the dc-to-ac converter subassembly, the dc-to-ac converter subassembly includes the dc-to-ac converter casing, the dc-to-ac converter subassembly sets up in the protection subassembly, the one end of dc-to-ac converter casing is open structure, a plurality of groups bleeder vent has been seted up to dc-to-ac converter casing bottom equidistant, two sets of joint pieces are installed to the bottom symmetry of dc-to-ac converter casing, joint piece and joint hole activity joint, install the electrical structure body on one side inner wall of dc-to-ac converter casing, two sets of fin structures are installed to the symmetry on the both sides wall of dc-to-ac converter casing, install opening and closing mechanism on one side inner wall of dc-to-ac converter casing, opening and closing mechanism includes rectangular plate and connecting plate, opening and closing plate structure is installed on one side wall of connecting plate, opening and closing plate structure is close to electrical structure body's a side wall edge and slides the laminating on the outer wall of dc-to-ac converter casing, install the observation window on the outer wall of opening and closing plate structure, the symmetry is provided with two sets of cleaning plates on the both sides wall, every group of the output of cleaning plate all slides the laminating on the outer wall of fin structure.
Further, a sliding cavity is formed in one side wall of the rectangular plate, a threaded rod is arranged in the sliding cavity, two ends of the threaded rod are rotationally connected to inner walls of two sides of the sliding cavity, sliding blocks are connected to the threaded rod in a threaded mode, and each sliding block is in sliding connection with the sliding cavity.
Further, a limit mechanism is arranged on a side wall of the inverter shell, which is far away from the door opening and closing structure, and comprises a limit plate body, a slide way is arranged on a side wall of the limit plate body, which is far away from the inverter shell, two groups of screw rods are arranged in the slide way, each group of screw rods are all rotationally connected in the slide way, the screw threads of the two groups of screw rods are opposite in direction, and the central axes of the screw rods are positioned on the same straight line.
Further, each group of the screw rods are connected with a group of second sliding plates in a threaded mode, each group of the second sliding plates are connected in a slideway in a sliding mode, and a group of clamping plates are arranged on one side wall of each group of the second sliding plates.
The beneficial effects of the invention are as follows:
1. when protecting the photovoltaic inverter, the protection device freely selects the installation mode of the heat insulation plate and the monocrystalline silicon solar panel through the ambient temperature, the effect of electric energy transmission is achieved when the inside high temperature is avoided, the photovoltaic inverter and the protection device are installed in a clamping manner, the disassembly and assembly convenience of the protection device is improved, the photovoltaic inverter is moved and overhauled, two groups of shovel plates are driven to clear impurities on the inner wall of the protection shell, the semiconductor refrigeration piece is driven to evenly cool the inner wall of the protection shell, and when the impact is suffered, the compression spring is impacted, so that the compression spring rebounds repeatedly until the device stops shaking, and the protection effect of the device is improved when the impact damage of the device is avoided.
2. The first electric putter makes the clean case be located the cooling structure directly over when promoting the dc-to-ac converter casing, and clean the dust on cooling structure surface owing to the during operation through the cleaning brush in its removal in-process, simultaneously begins to extrude the extrusion head for it sprays out and places the cleaning solution in clean incasement, has improved the cooling effect of device when having reduced inside temperature, has avoided leading to the problem that device work effect reduces because of operating temperature is too high.
3. The installation piece drives first sliding plate and slides in the spout when removing, in order to drive two sets of guard plates and remove for the heat insulating board breaks away from the protecting crust, begins to overhaul afterwards, starts the second motor at its in-process, drives the threaded rod and rotates, and the threaded rod drives the sliding block and slide in the smooth chamber, in order to drive switch door structure through the connecting plate and rise, clean fin structure through the cleaning plate in the ascending process of it for improve its follow-up radiating effect, improved device convenient to overhaul and improved the clean radiating effect of device.
4. In order to improve the stabilizing effect of the photovoltaic inverter, after the photovoltaic inverter is clamped and installed, a third motor is started, the third motor drives a screw rod to rotate, the screw rod drives a second sliding plate to slide in a slideway, two groups of clamping plates are driven to move towards the direction close to a cleaning box, and then the clamping limiting is carried out on the clamping plates, so that the working protection effect of the inverter is improved while the limitation of installation points is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of a protection device according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a photovoltaic inverter according to an embodiment of the invention;
FIG. 3 shows a schematic view of a base body structure according to an embodiment of the present invention;
FIG. 4 shows a schematic cross-sectional view of a base body according to an embodiment of the present invention;
FIG. 5 illustrates a top cross-sectional view of a protective assembly according to an embodiment of the present invention;
FIG. 6 shows a schematic cross-sectional view of a cleaning tank according to an embodiment of the invention;
FIG. 7 illustrates a schematic view of a heat shield structure according to an embodiment of the present invention;
fig. 8 shows a schematic diagram of an inverter assembly structure according to an embodiment of the invention;
fig. 9 shows a schematic cross-sectional view of an inverter assembly according to an embodiment of the invention;
FIG. 10 illustrates a schematic cross-sectional view of an opening and closing mechanism according to an embodiment of the present invention;
fig. 11 shows a top cross-sectional view of a spacing mechanism according to an embodiment of the present invention.
In the figure: 1. a protection component; 101. a base body; 102. a protective shell; 103. a heat sink; 104. a cooling structure; 105. a chute; 106. a fixed block; 107. a connecting rod; 108. a sleeve joint block; 109. a clamping hole; 110. a stop block; 111. a compression spring; 112. a first electric push rod; 113. a cleaning tank; 114. a second electric push rod; 115. pressing a disc; 116. piston rings; 117. cleaning a brush; 118. an extrusion head; 119. a support plate; 120. a shovel plate; 121. a semiconductor refrigeration sheet; 122. an electric sliding table; 123. a mounting block; 124. a first sliding plate; 125. a protection plate; 126. a third electric push rod; 127. an extension plate; 128. a rotating lever; 129. a first motor; 130. a heat insulating plate; 131. monocrystalline silicon solar cell panel; 2. an inverter assembly; 201. an inverter case; 202. a clamping block; 203. an electrical structure body; 204. a heat sink structure; 205. an opening and closing mechanism; 2051. a rectangular plate; 2052. a threaded rod; 2053. a sliding cavity; 2054. a sliding block; 2055. a connecting plate; 2056. a second motor; 206. a limiting mechanism; 2061. a limiting plate body; 2062. a screw rod; 2063. a slideway; 2064. a second sliding plate; 2065. a clamping plate; 2066. a third motor; 207. a door opening and closing structure; 208. an observation window; 209. and cleaning the plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
The embodiment of the invention provides a photovoltaic inverter protection device and a photovoltaic inverter thereof. Comprising a protection assembly 1, as illustrated in fig. 1 and 2, an inverter assembly 2 is illustratively provided within the protection assembly 1.
When the photovoltaic inverter performs protection work, the photovoltaic inverter is firstly placed into the protective shell 102, and is movably clamped with the clamping holes 109 formed in the top of the sleeve joint block 108 through the clamping blocks 202 formed in the bottom of the inverter shell 201.
As shown in fig. 3 and fig. 4, the protection assembly 1 includes a base body 101, a protection shell 102 is installed at the top edge of the base body 101, one end of the protection shell 102 is in an open structure, two groups of heat dissipation grooves 103 are symmetrically formed on two side walls of the protection shell 102, a cooling structure 104 is installed at the center of the top of the base body 101, two groups of sliding grooves 105 are symmetrically formed at the top of the base body 101, two groups of sliding grooves 105 are respectively located at two ends of the cooling structure 104, two groups of fixing blocks 106 are symmetrically arranged on two inner walls of two sides of the base body 101, a group of connecting rods 107 are respectively installed on one side wall corresponding to the two groups of fixing blocks 106, one end, far away from the fixing blocks 106, of each group of connecting rods 107 is respectively provided with a group of stop blocks 110, a group of connecting blocks 108 are respectively movably sleeved on the connecting rods 107, the bottom of each group of connecting blocks 108 is respectively slidingly attached to the inner wall of the bottom of the base body 101, a group of connecting blocks 108 is respectively provided with a group of clamping holes 109 after the top of each group of connecting blocks 108 respectively penetrates through the sliding grooves 105, a group of connecting blocks 109, and each group of connecting blocks is respectively connected with a group of connecting rods 111 in a compression spring 111 in a sleeved mode, and each group of connecting rods 107 is respectively connected with a compression spring 111 in a group of compression mode.
When the protecting shell 102 is impacted, the compression spring 111 is impacted through the sleeving block 108, so that the compression spring 111 rebounds, moves towards one side close to the stop block 110 and repeatedly moves until the device stops shaking, and the protecting effect of the device is improved while the problem of collision damage of the device is avoided.
As shown in fig. 5 and 6, a first electric push rod 112 is installed on an inner wall of one side of the protective housing 102, a cleaning box 113 is installed on an output end of the first electric push rod 112, a second electric push rod 114 is installed on an inner wall of a top of the cleaning box 113, a pressing plate 115 is installed on an output end of the second electric push rod 114, a piston ring 116 is sleeved on an outer wall of the pressing plate 115, an outer wall of the piston ring 116 is in sliding fit with an inner wall of the cleaning box 113, two groups of cleaning brushes 117 are symmetrically arranged at a bottom edge of the cleaning box 113, output ends of each group of cleaning brushes 117 are in sliding fit with a top of the cooling structure 104, an extrusion head 118 is communicated with a center of the bottom of the cleaning box 113, and an output end of the extrusion head 118 is in sliding fit with a top of the cooling structure 104.
The first electric push rod 112 pushes the inverter housing 201 and simultaneously enables the cleaning box 113 to be located right above the cooling structure 104, dust remained on the surface of the cooling structure 104 during working is cleaned through the cleaning brush 117 in the moving process of the cleaning box, meanwhile, the extrusion head 118 starts to be extruded, cleaning solution placed in the cleaning box 113 is ejected, the internal temperature is reduced, meanwhile, the cooling effect of the device is improved, and the problem that the working effect of the device is reduced due to overhigh working temperature is avoided.
Two groups of support plates 119 are symmetrically arranged on two side walls of the cleaning box 113, the bottoms of the support plates 119 are respectively and slidably attached to the inner wall of the bottom of the protective shell 102, two groups of shovel plates 120 are respectively and symmetrically arranged on the edge of one side wall of the support plate 119 away from the cleaning box 113, the output ends of the shovel plates 120 are respectively and slidably attached to the inner wall of two sides of the protective shell 102, a group of semiconductor refrigerating sheets 121 are respectively and respectively arranged at the center of one side wall of the support plate 119 away from the cleaning box 113, a group of electric sliding table 122 is respectively and slidably connected to one side wall of the support plate 119 away from the first electric sliding table 112, a group of mounting blocks 123 are respectively and slidably connected to the output ends of the electric sliding table 122, and a group of first sliding plates 124 are respectively arranged on one side wall of the mounting blocks 123 away from the electric sliding table 122.
When the photovoltaic inverter needs to be overhauled, the first electric push rod 112 is started to push the cleaning box 113, the cleaning box 113 pushes the photovoltaic inverter to move towards the heat insulation plate 130, impurities on the inner wall of the protective shell 102 are removed through the two groups of shovel plates 120 at the same time, and the inner wall of the protective shell is uniformly cooled through the semiconductor refrigerating sheets 121.
As shown in fig. 7, each of the first sliding plates 124 is slidably connected in one of the heat dissipation grooves 103, a set of protection plates 125 are mounted on a side wall of each of the first sliding plates 124, a side wall of each of the protection plates 125, which is close to the first sliding plate 124, is slidably attached to an outer wall of the protective casing 102, a set of third electric push rods 126 are mounted at one end of each of the protection plates 125, a set of extension plates 127 are mounted at an output end of each of the third electric push rods 126, a rotating rod 128 is movably sleeved in the extension plates 127, one end of the rotating rod 128 is in transmission connection with a first motor 129, a heat insulation plate 130 is fixedly sleeved on an outer wall of the rotating rod 128, a side wall of the heat insulation plate 130 is slidably attached to the outer wall of the protective casing 102, and a monocrystalline silicon solar cell panel 131 is mounted on a side wall of the heat insulation plate 130, which is far away from the protective casing 102.
When overhauling, the third electric push rod 126 is started to drive the two groups of extension plates 127 to move towards one end far away from the protective shell 102, and when the two groups of extension plates move to a designated position, the first motor 129 is started to drive the rotating rod 128 to rotate in the extension plates 127, so that the heat insulation plate 130 is driven to overturn, and the heat insulation plate is positioned right above the overhauling position to insulate a light source.
As shown in fig. 8 and 9, the inverter assembly 2 includes an inverter housing 201, one end of the inverter housing 201 is in an open structure, a plurality of groups of ventilation holes are formed at the bottom of the inverter housing 201 at equal intervals, two groups of clamping blocks 202 are symmetrically mounted at the bottom of the inverter housing 201, the clamping blocks 202 are movably clamped with the clamping holes 109, an electrical structure body 203 is mounted on one side inner wall of the inverter housing 201, two groups of radiating fin structures 204 are symmetrically mounted on two side walls of the inverter housing 201, and an opening and closing mechanism 205 is mounted on one side inner wall of the inverter housing 201;
as shown in fig. 10, the opening and closing mechanism 205 includes a rectangular plate 2051, a sliding cavity 2053 is formed on a side wall of the rectangular plate 2051, a threaded rod 2052 is disposed in the sliding cavity 2053, two ends of the threaded rod 2052 are rotatably connected to two side inner walls of the sliding cavity 2053, a second motor 2056 is mounted on a side wall of the rectangular plate 2051, an output end of the second motor 2056 penetrates through the rectangular plate 2051 and is in driving connection with the threaded rod 2052, sliding blocks 2054 are in threaded connection with the threaded rod 2052, each group of sliding blocks 2054 are all in sliding connection with the sliding cavity 2053, a connecting plate 2055 is mounted on a side wall of the sliding block 2054, a door opening and closing structure 207 is mounted on an outer wall of the inverter housing 201 in a sliding fit manner near a side wall edge of the electrical structure body 203, observation windows 208 are mounted on an outer wall of the door opening and closing structure 207, two groups of symmetrical plates are disposed on two side walls of the door opening and closing structure 207 are in sliding fit with each other, and each group of cleaning plates 209 are in sliding fit with each other on the outer wall of the sliding plates 209.
The installation piece 123 drives first sliding plate 124 and slides in spout 105 when removing, in order to drive two sets of guard plates 125 removal for heat insulating board 130 breaks away from protecting crust 102, begins to overhaul afterwards, starts second motor 2056 at its in-process, drives threaded rod 2052 and rotates, and threaded rod 2052 drives sliding block 2054 and slides in smooth chamber 2053, in order to drive switch door structure 207 through connecting plate 2055 and rise, clean fin structure 204 through cleaning plate 209 in the process of rising above for improve its follow-up radiating effect, improved the device clean radiating effect when being convenient for overhaul.
As shown in fig. 11, an exemplary embodiment of the present invention is that a side wall of the inverter housing 201 far from the door opening and closing structure 207 is provided with a limit mechanism 206, the limit mechanism 206 includes a limit plate body 2061, a side wall of the limit plate body 2061 far from the inverter housing 201 is provided with a slide rail 2063, two sets of screw rods 2062 are disposed in the slide rail 2063, each set of screw rods 2062 is rotatably connected in the slide rail 2063, the two sets of screw rods 2062 have opposite screw threads, the central axes of the screw rods 2062 are located on the same straight line, each set of screw rods 2062 is connected with a set of second sliding plates 2064 by screw threads, each set of second sliding plates 2064 is slidably connected in the slide rail 2063, one side wall of each set of second sliding plates 2064 is provided with a set of clamping plates 2065, one end of the limit plate body 2061 is provided with a third motor 2066, and the output end of the third motor 2066 is connected to one set of screw rods 2062 by transmission after penetrating through the limit plate body 2061.
The third motor 2066 is started to drive the screw rod 2062 to rotate, and the screw rod 2062 drives the two groups of second sliding plates 2064 to slide in the slideway 2063, so that the two groups of clamping plates 2065 are driven to limit and fix the cleaning box 113.
The beneficial effects are that:
when protecting the photovoltaic inverter, the protection device freely selects the installation mode of the heat insulation plate 130 and the monocrystalline silicon solar panel 131 through the ambient temperature, the effect of electric energy transmission is achieved when the inside high temperature is avoided, the photovoltaic inverter and the protection device belong to clamping installation, the convenient disassembly and assembly property of the protection device is improved, the photovoltaic inverter is moved and overhauled, the two groups of shovel plates 120 are driven to clear impurities on the inner wall of the protection shell 102, the semiconductor refrigerating sheet 121 is driven to evenly cool the inner wall of the protection shell, and when the impact is suffered, the compression spring 111 is impacted, so that the compression spring 111 rebounds repeatedly until the device stops shaking, and the protection effect of the device is improved when the impact damage of the device is avoided.
The first electric push rod 112 pushes the inverter housing 201 and simultaneously enables the cleaning box 113 to be located right above the cooling structure 104, dust remained on the surface of the cooling structure 104 during working is cleaned through the cleaning brush 117 in the moving process of the cleaning box, meanwhile, the extrusion head 118 starts to be extruded, cleaning solution placed in the cleaning box 113 is ejected, the internal temperature is reduced, meanwhile, the cooling effect of the device is improved, and the problem that the working effect of the device is reduced due to overhigh working temperature is avoided.
The installation piece 123 drives first sliding plate 124 and slides in spout 105 when removing, in order to drive two sets of guard plates 125 removal for heat insulating board 130 breaks away from protecting crust 102, begins to overhaul afterwards, starts second motor 2056 at its in-process, drives threaded rod 2052 and rotates, and threaded rod 2052 drives sliding block 2054 and slides in smooth chamber 2053, in order to drive switch door structure 207 through connecting plate 2055 and rise, clean fin structure 204 through cleaning plate 209 in the process of rising above for improve its follow-up radiating effect, improved the device clean radiating effect when being convenient for overhaul.
In order to improve the stabilizing effect of the photovoltaic inverter, after the photovoltaic inverter is clamped and installed, the third motor 2066 is started, the third motor 2066 drives the screw rod 2062 to rotate, the screw rod 2062 drives the second sliding plate 2064 to slide in the slideway, and accordingly the two groups of clamping plates 2065 are driven to move towards the direction close to the cleaning box 113, and then the clamping limiting is carried out on the clamping plates, so that the limitation of installation points is reduced, and meanwhile, the working protection effect of the inverter is improved.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. Photovoltaic inverter protection device, including protection component (1), its characterized in that: the protection assembly (1) comprises a base body (101), a protection shell (102) is arranged at the edge of the top of the base body (101), two groups of sliding grooves (105) are symmetrically formed in the top of the base body (101), two groups of connecting blocks (108) are connected in each group of sliding grooves (105) in a sliding manner, and a group of clamping holes (109) are formed in the top of each group of connecting blocks (108);
a first electric push rod (112) is mounted on one side inner wall of the protective shell (102), a cleaning box (113) is mounted on the output end of the first electric push rod (112), two groups of support plates (119) are symmetrically arranged on two side walls of the cleaning box (113), two groups of shovel plates (120) are symmetrically arranged at the edge of one side wall of the support plate (119) far away from the cleaning box (113), a group of semiconductor refrigerating sheets (121) are mounted on the center of one side wall of the support plate (119) far away from the cleaning box (113), a heat insulating plate (130) is mounted on the outer wall of the protective shell (102) in a sliding fit mode, a monocrystalline silicon solar cell panel (131) is mounted on one side wall of the heat insulating plate (130) far away from the protective shell (102), a group of electric sliding table (122) is mounted on one side wall of the support plate (119) far away from the first electric push rod (112), a group of mounting blocks (123) are connected on the output end of each group of electric sliding table (122), a group of mounting blocks (123) are mounted on one side wall of the first protective plate (124) far away from the first protective plate (124) in a sliding fit mode, a group of protective plate (124) is mounted on the first side wall (124) in a sliding fit mode, a group of third electric push rods (126) are arranged at one end of each group of protection plates (125), a group of extension plates (127) are arranged at the output ends of each group of third electric push rods (126), and rotating rods (128) are movably sleeved in the extension plates (127).
2. The photovoltaic inverter protection device of claim 1, wherein: the cooling structure (104) is installed in base body (101) top center department, install second electric putter (114) on the top inner wall of clean case (113), install on the output of second electric putter (114) and press dish (115), cup joint piston ring (116) on the outer wall of pressing dish (115), the outer wall slip laminating of piston ring (116) is on the inner wall of clean case (113).
3. The photovoltaic inverter protection device of claim 2, wherein: two groups of cleaning brushes (117) are symmetrically arranged at the bottom edge of the cleaning box (113), and the output ends of each group of cleaning brushes (117) are in sliding fit on the top of the cooling structure (104).
4. The photovoltaic inverter protection device of claim 2, wherein: the cleaning box (113) is communicated with the extrusion head (118) at the bottom center, and the output end of the extrusion head (118) is in sliding fit with the top of the cooling structure (104).
5. A photovoltaic inverter, characterized by: including inverter assembly (2) and any one of claims 1-4 a photovoltaic inverter protection device, inverter assembly (2) is including inverter housing (201), inverter assembly (2) set up in protection assembly (1), inverter housing (201)'s one end is open structure, a plurality of groups bleeder vent have been seted up to inverter housing (201) bottom equidistant, two sets of joint piece (202) are installed to inverter housing (201)'s bottom symmetry, joint piece (202) and joint hole (109) activity joint, install electrical structure body (203) on inverter housing (201)'s one side inner wall, install two sets of fin structures (204) on inverter housing (201)'s both sides wall symmetry, install opening and closing mechanism (205) on inverter housing (201) one side inner wall, opening and closing mechanism (205) include on connecting plate (2051) and connecting plate (2055), switch structure (207) are installed to one side wall of connecting plate (2055), switch structure (207) are installed to door opening and closing structure (207), door structure (207) are installed on two side wall (201) are close to door structure (207) on door opening and closing structure (209) are installed on door opening and closing structure (201) one side wall, the output ends of each group of cleaning plates (209) are in sliding fit on the outer wall of the radiating fin structure (204).
6. The photovoltaic inverter of claim 5, wherein: a sliding cavity (2053) is formed in one side wall of the rectangular plate (2051), a threaded rod (2052) is arranged in the sliding cavity (2053), two ends of the threaded rod (2052) are rotationally connected to inner walls of two sides of the sliding cavity (2053), sliding blocks (2054) are connected to the threaded rod (2052) in a threaded mode, and each sliding block (2054) is slidably connected to the sliding cavity (2053).
7. The photovoltaic inverter of claim 5, wherein: the utility model discloses a door opening and closing structure, including inverter casing (201), switch door structure (207) are kept away from on the side wall of inverter casing (201) install stop gear (206), stop gear (206) are including limiting plate body (2061), slide (2063) have been seted up on one lateral wall that inverter casing (201) was kept away from to limiting plate body (2061), be provided with two sets of lead screws (2062) in slide (2063), every set of lead screw (2062) all rotate and connect in slide (2063), two sets of lead screw (2062) screw opposite direction, two sets of lead screw (2062) axis is located same straight line.
8. The photovoltaic inverter of claim 7, wherein: each group of screw rods (2062) is connected with a group of second sliding plates (2064) in a threaded manner, each group of second sliding plates (2064) are connected in a slideway (2063) in a sliding manner, and each group of clamping plates (2065) are arranged on one side wall of each second sliding plate (2064).
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| CN202310950252.XA CN116683779B (en) | 2023-07-31 | 2023-07-31 | Photovoltaic inverter protection device and photovoltaic inverter thereof |
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| US20170288565A1 (en) * | 2015-09-14 | 2017-10-05 | Sma Solar Technology Ag | Inverter with a multi-part housing and an internal cooling-air duct |
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| CN109194152A (en) * | 2018-09-26 | 2019-01-11 | 宁波德业变频技术有限公司 | A kind of multiport variable frequency inverter |
| CN111555589A (en) * | 2020-05-19 | 2020-08-18 | 钟新华 | Protective structure of inverter device for electric vehicle |
| CN211830593U (en) * | 2020-04-13 | 2020-10-30 | 五家渠京能新能源有限责任公司 | Photovoltaic inverter protection device |
| CN116345924A (en) * | 2023-05-29 | 2023-06-27 | 深圳市三瑞电源有限公司 | Photovoltaic inverter convenient for internal overhaul and element replacement |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5353216A (en) * | 1992-03-23 | 1994-10-04 | Urie & Blanton Company, Inc. | Inverter power source rack |
| US20170288565A1 (en) * | 2015-09-14 | 2017-10-05 | Sma Solar Technology Ag | Inverter with a multi-part housing and an internal cooling-air duct |
| CN108768185A (en) * | 2018-06-29 | 2018-11-06 | 苏州晶旭新能源科技有限公司 | A kind of protection device for installing of inverter |
| CN109194152A (en) * | 2018-09-26 | 2019-01-11 | 宁波德业变频技术有限公司 | A kind of multiport variable frequency inverter |
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| CN116683779A (en) | 2023-09-01 |
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