Energy storage type photovoltaic inversion device

Abstract

The utility model discloses an energy storage type photovoltaic inversion device, which belongs to the technical field of electric power facilities, and comprises a supporting plate, one end of the upper part of the supporting plate is connected with an inversion module, and the other end of the upper part of the supporting plate is connected with a photovoltaic charging module; the supporting assembly is arranged, the rotating nut is manually rotated to drive the lifting cylinder to move, the lifting cylinder moves to drive the supporting plate to move, the supporting plate moves to drive the clamping piece to move, when the clamping piece moves to the position of a communication line interface, rotating of the rotating nut is stopped, and after the two ends of a communication line penetrate through the space between the fixing plate and the arc-shaped plate subsequently, the clamping piece is clamped. The rotating screw is rotated to drive the rubber pad to move, the rubber pad moves to drive the communication line to move and be attached to the rubber pad on the arc-shaped plate, under the action of the two rubber pads, the communication line can be clamped and fixed, friction between the communication line floor and the supporting plate is avoided, and then the communication line can be prevented from being abraded; and the connection stability of the inversion module and the photovoltaic charging module is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power facilities, and specifically relates to an energy storage type photovoltaic inverter device. Background Art

[0002] Photovoltaic is the abbreviation of solar photovoltaic power generation system, which is a new power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy.

[0003] Chinese patent application No. 201921285343.1 discloses an off-grid photovoltaic energy storage power frequency inverter device, including an inverter module, one side of the inverter module is electrically connected to a photovoltaic charging module, the inverter module and the photovoltaic charging module are externally installed with a shell, the inverter module includes a main control microprocessor, a main drive circuit, a main power circuit, a main power energy collection module, an energy scheduling module, a main power input terminal and an AC output terminal, the photovoltaic charging module includes a solar photovoltaic cell, a photovoltaic energy collection module, a slave control microprocessor, a slave drive circuit and a slave power circuit, the solar photovoltaic cell is arranged at one end of the photovoltaic charging module, and the slave power circuit is arranged at the other end of the photovoltaic charging module. The utility model has the advantages of photovoltaic charging the inverter module, maximizing the utilization of photovoltaic energy and protecting the battery in real time.

[0004] In the above patent, a communication line is used to connect the inverter module and the photovoltaic charging module. During the connection process, the communication line drags on the ground and is prone to friction with the support plate, causing wear of the communication line, which in turn easily affects the connection effect between the inverter module and the photovoltaic charging module; in addition, the heat generated during the use of the inverter module and the photovoltaic charging module accumulates inside the shell, causing the working environment temperature of the inverter module and the photovoltaic charging module to be too high, which in turn easily affects the normal service life of the inverter module and the photovoltaic charging module. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an energy storage photovoltaic inverter device, which has the characteristics of support, fixation, ventilation and heat dissipation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of energy storage type photovoltaic inverter device, comprising a support plate, an inverter module is connected to one end above the support plate, a photovoltaic charging module is connected to the other end above the support plate, a communication line is connected between the inverter module and the photovoltaic charging module, a support assembly is arranged above the support plate and below the communication line, a shell is connected above the support plate and outside the inverter module and the photovoltaic charging module, heat dissipation assemblies are arranged on both sides of the shell, and a shell cover is connected to the top of the shell.

[0007] Preferably, the support assembly includes a fixed screw, a support plate, a clamping piece, a rotating nut and a lifting cylinder; the fixed screw is connected to the top of the support plate, the rotating nut is connected to the outer wall of the fixed screw, a lifting cylinder is sleeved on the periphery of the fixed screw and located above the rotating nut, one end of the lifting cylinder is connected to the support plate, and a plurality of clamping pieces are arranged above the support plate.

[0008] Preferably, the clamping member includes a rotating screw, a fixed plate, a rubber pad and an arc plate, a plurality of arc plates are connected above the support plate, one end of the arc plate is connected to the fixed plate, the fixed plate is connected to the rotating screw, and one end of the rotating screw and the inner side wall of the arc plate are both connected to rubber pads.

[0009] Preferably, the heat dissipation assembly includes a dustproof net, a vent, a fixing cylinder, a mounting ring and an annular groove. Ventilation holes are provided on both sides of the shell, a fixing cylinder is connected to the side wall of the shell and located at the periphery of the vent, an annular groove is provided at one end of the fixing cylinder, a mounting ring is provided inside the annular groove, and the dustproof net is connected inside the mounting ring.

[0010] Preferably, both ends of the mounting ring on one side close to the annular groove are connected with plug-in posts, and plug-in grooves are provided on the side wall of the annular groove at positions corresponding to the plug-in posts.

[0011] Preferably, the heat dissipation assembly further comprises a pressure ring and a connecting tube, the outer side wall of the fixing tube is connected to the connecting tube, and one end of the connecting tube is connected to the pressure ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a support component. The rotary nut is manually rotated to drive the lifting cylinder to move. The movement of the lifting cylinder drives the support plate to move. The movement of the support plate drives the clamping piece to move. When the clamping piece moves to the interface position of the communication line, the rotary nut is stopped. After the two ends of the communication line are subsequently passed through the space between the fixed plate and the arc plate, the rotary screw is rotated to drive the rubber pad to move. The movement of the rubber pad drives the communication line to move and fit onto the rubber pad on the arc plate. Under the action of the two rubber pads, the communication line can be clamped and fixed to avoid friction between the communication line dragging on the ground and the support plate, thereby avoiding wear of the communication line and ensuring the connection stability of the inverter module and the photovoltaic charging module.

[0014] 2. The utility model sets a heat dissipation component, and the installation ring is manually plugged into the annular groove, the plug-in column is then plugged into the plug-in groove, and the dustproof net is then placed in the fixed tube, and then the connecting tube is manually plugged into the fixed tube and rotated, so that the connecting tube is threadedly connected to the fixed tube, so that the pressure ring can be connected to one end of the fixed tube, and under the action of the pressure ring, the installation ring can be pressed and fixed to ensure the stability of the dustproof net installation. During the subsequent use of the photovoltaic charging module and the inverter module, the vent can ensure air circulation inside the shell to prevent the heat generated by the operation of the photovoltaic charging module and the inverter module from accumulating inside the shell, causing the working environment temperature of the photovoltaic charging module and the inverter module to be too high. Under the action of the dustproof net, dust and other impurities in the external environment can be prevented from entering the shell, thereby preventing the photovoltaic charging module and the inverter module inside the shell from being contaminated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the connection state between the fixing screw rod and the support plate of the utility model;

[0018] Figure 4 It is a cross-sectional view of the clamping member of the utility model;

[0019] Figure 5 It is a cross-sectional view of the connection state between the pressure ring and the dustproof net of the utility model.

[0020] In the figure: 1. shell; 2. shell cover; 3. support plate; 4. heat dissipation assembly; 41. dust net; 42. pressure ring; 43. vent; 44. connecting tube; 45. fixing tube; 46. mounting ring; 47. annular groove; 5. inverter module; 6. communication line; 7. photovoltaic charging module; 8. support assembly; 81. fixing screw; 82. support plate; 83. clamping piece; 831. rotating screw; 832. fixing plate; 833. rubber pad; 834. arc plate; 84. rotating nut; 85. lifting tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-5 The utility model provides the following technical solutions: a storage type photovoltaic inverter device, comprising a support plate 3, an inverter module 5 is connected to one end above the support plate 3, a photovoltaic charging module 7 is connected to the other end above the support plate 3, a communication line 6 is connected between the inverter module 5 and the photovoltaic charging module 7, a support assembly 8 is arranged above the support plate 3 and below the communication line 6, a shell 1 is connected above the support plate 3 and outside the inverter module 5 and the photovoltaic charging module 7, heat dissipation assemblies 4 are arranged on both sides of the shell 1, and a shell cover 2 is connected above the shell 1.

[0024] Specifically, the support assembly 8 includes a fixed screw 81, a support plate 82, a clamping piece 83, a rotating nut 84 and a lifting cylinder 85. The upper part of the support plate 3 is connected with the fixed screw 81, the outer wall of the fixed screw 81 is connected with the rotating nut 84, the outer periphery of the fixed screw 81 and the upper part of the rotating nut 84 is sleeved with the lifting cylinder 85, one end of the lifting cylinder 85 is connected with the support plate 82, and a plurality of clamping pieces 83 are arranged above the support plate 82.

[0025] By adopting the above technical solution, the rotating nut 84 is manually rotated to rotate and move along the fixed screw 81. The movement of the rotating nut 84 drives the lifting cylinder 85 to move. The movement of the lifting cylinder 85 drives the support plate 82 to move. The movement of the support plate 82 drives the clamping member 83 to move. When the clamping member 83 moves to the position of the communication line 6, the rotation of the rotating nut 84 is stopped, and the clamping member 83 is used to clamp the communication line 6, which is convenient for supporting the communication line 6, avoiding friction between the communication line 6 dragging on the ground and the support plate 3, thereby avoiding wear of the communication line 6.

[0026] Specifically, the clamping member 83 includes a rotating screw 831, a fixing plate 832, a rubber pad 833 and an arc plate 834. A plurality of arc plates 834 are connected to the top of the support plate 82. One end of the arc plate 834 is connected to the fixing plate 832. The fixing plate 832 is connected to the rotating screw 831. One end of the rotating screw 831 and the inner side wall of the arc plate 834 are both connected to the rubber pad 833.

[0027] By adopting the above technical solution, first manually plug one end of the communication line 6 into the photovoltaic charging module 7, and then pass the other end of the communication line 6 through the space between the fixed plate 832 and the curved plate 834 and plug it into the inverter module 5, and then rotate the rotating screw 831 to make it rotate and move along the fixed plate 832. The movement of the rotating screw 831 drives the rubber pad 833 to move, and the movement of the rubber pad 833 drives the communication line 6 to move and fit onto the rubber pad 833 on the curved plate 834. Under the action of the two rubber pads 833, the communication line 6 can be clamped and fixed.

[0028] When this embodiment is used, the inverter module 5 and the photovoltaic charging module 7 are fixed to the upper two ends of the support plate 3 respectively, and then the position of the support plate 82 is adjusted according to the interface position on the inverter module 5 and the photovoltaic charging module 7. First, manually rotate the rotating nut 84 to make it rotate and move along the fixed screw 81. The movement of the rotating nut 84 drives the lifting cylinder 85 to move, and the movement of the lifting cylinder 85 drives the support plate 82 to move. The movement of the support plate 82 drives the clamping member 83 to move. When the clamping member 83 moves to the interface position of the communication line 6, stop rotating the rotating nut 84, and then plug one end of the communication line 6 into the interface on the photovoltaic charging module 7, and insert the other end of the communication line 6 into the interface on the inverter module 5 through the space between the fixed plate 832 and the arc plate 834, and then Then rotate the rotating screw 831 to make it rotate and move along the fixing plate 832. The movement of the rotating screw 831 drives the rubber pad 833 to move. The movement of the rubber pad 833 drives the communication line 6 to move and fit onto the rubber pad 833 on the arc plate 834. Under the action of the two rubber pads 833, the communication line 6 can be clamped and fixed to avoid friction between the communication line 6 and the support plate 3, thereby avoiding wear of the communication line 6, ensuring the connection stability of the inverter module 5 and the photovoltaic charging module 7, and then use bolts to connect the shell cover 2 to the top of the shell 1 to achieve sealing between the shell 1 and the shell cover 2. During the use of the device, a photovoltaic charging module 7 is arranged on the right side of the inverter module 5, and the photovoltaic charging module 7 is used to power the inverter module 5;

[0029] Example 2

[0030] The present embodiment is different from the first embodiment in that the heat dissipation assembly 4 includes a dustproof net 41, a vent 43, a fixing cylinder 45, a mounting ring 46 and an annular groove 47. The vents 43 are provided on both sides of the housing 1. The fixing cylinder 45 is connected to the side wall of the housing 1 and is located at the periphery of the vent 43. An annular groove 47 is provided at one end of the fixing cylinder 45. A mounting ring 46 is provided inside the annular groove 47. The dustproof net 41 is connected inside the mounting ring 46.

[0031] Specifically, both ends of the mounting ring 46 near the annular groove 47 are connected with plug-in posts, and plug-in grooves are provided on the side wall of the annular groove 47 at positions corresponding to the plug-in posts.

[0032] By adopting the above technical solution, the installation ring 46 is inserted into the annular groove 47, and the plug-in column is then inserted into the plug-in groove. Under the plug-in action of the plug-in column and the plug-in groove, the installation ring 46 can be initially plugged and fixed.

[0033] Specifically, the heat dissipation assembly 4 further includes a pressure ring 42 and a connecting tube 44. The connecting tube 44 is connected to the outer wall of the fixing tube 45, and one end of the connecting tube 44 is connected to the pressure ring 42.

[0034] By adopting the above technical solution, the connecting tube 44 is manually plugged into the fixed tube 45 and rotated, so that the connecting tube 44 is threadedly connected to the fixed tube 45, so that the pressing ring 42 can be connected to one end of the fixed tube 45. Under the action of the pressing ring 42, the mounting ring 46 can be pressed and fixed to ensure the stability of the installation of the dustproof net 41.

[0035] When this embodiment is used, the mounting ring 46 is manually plugged into the annular groove 47, the plug-in column is then plugged into the plug-in groove, the dustproof net 41 is then placed into the fixing tube 45, and then the connecting tube 44 is manually plugged into the fixing tube 45 and rotated so that the connecting tube 44 is threadedly connected to the fixing tube 45, so that the pressing ring 42 can be connected to one end of the fixing tube 45. Under the action of the pressing ring 42, the mounting ring 46 can be pressed and fixed to ensure the stability of the installation of the dustproof net 41. During the subsequent use of the photovoltaic charging module 7 and the inverter module 5, the vent 43 can ensure air circulation inside the shell 1 to prevent the heat generated by the operation of the photovoltaic charging module 7 and the inverter module 5 from accumulating inside the shell 1, causing the working environment temperature of the photovoltaic charging module 7 and the inverter module 5 to be too high. Under the action of the dustproof net 41, impurities such as dust in the external environment can be prevented from entering the shell 1, thereby preventing the photovoltaic charging module 7 and the inverter module 5 inside the shell 1 from being contaminated.

[0036] The structure and principle of the inverter module 5 composed of a main control microprocessor, a battery, a main power circuit, a main power energy collection module, a main power input terminal, a main drive circuit, an energy scheduling module, and an AC output terminal in the utility model have been disclosed in an off-grid photovoltaic energy storage power frequency inverter device disclosed in Chinese patent application No. 201921285343.1. Its working principle is: the inverter module 5 includes a main control microprocessor, a main drive circuit, a main power circuit, a main power energy collection module, an energy scheduling module, a main power input terminal and an AC output terminal. The main control microprocessor model is STM32F103, which belongs to the prior art. The model of the AC power energy collection module is RPM400, which belongs to the prior art. The model of the energy dispatching module is JYLS6930, which belongs to the prior art. One end of the inverter module is respectively fixedly connected with the AC input terminal and the AC output terminal, and the AC input terminal is arranged above the AC output terminal. The main control microprocessor and the main drive circuit are arranged on both sides of one end of the inverter module, and the main control microprocessor is arranged on the left side of the main drive circuit. A group of batteries are fixedly connected to the upper and lower parts of the main drive circuit, and the batteries are electrically connected to the main drive circuit through wires. The main power circuit is arranged in the central position of the inverter module. The AC power energy collection module and the energy dispatching module are respectively fixedly connected with the AC input terminal and the AC output terminal, and the AC power input terminal is arranged above the AC output terminal. The main control microprocessor and the main drive circuit are arranged on both sides of one end of the inverter module, and the main control microprocessor is arranged on the left side of the main drive circuit. The upper and lower parts of the main drive circuit are fixedly connected with a group of batteries, and the batteries are electrically connected to the main drive circuit through wires. The main power circuit is arranged in the central position of the inverter module. The module is arranged at the upper and lower parts of the other end of the inverter module. When in use, the main control microprocessor adjusts the charging current of the mains energy collection module in the inverter module 5 to the battery according to the charging current of the photovoltaic charging module 7 obtained by communication and the preset maximum charging current. The amount of electricity in the mains energy collection module is obtained by connecting the mains input terminal to the external power grid, thereby controlling the total charging current not to exceed the preset maximum charging current to prevent the battery from being damaged by excessive charging current. The inverter module 5 communicates and exchanges data with the photovoltaic charging module 7, and the mains input terminal is connected to the main power circuit. At the same time, the main power circuit is connected to the inverter module 5. It is connected to the battery, and the main control microprocessor controls the main drive circuit, adjusts the AC charging current through the main power circuit, and obtains the AC voltage and current from the AC energy collection module to calculate the actual AC charging current of the battery. The slave control microprocessor controls the slave drive circuit, adjusts the photovoltaic charging current through the slave power circuit, and obtains the photovoltaic voltage and current from the photovoltaic charging module 7 to calculate the actual photovoltaic charging current of the battery. Then, the energy scheduling module is used to maximize the use of photovoltaic energy, thereby saving AC energy, and outputs AC to the outside through the AC output terminal, bringing economic benefits to users.

[0037] The structure and principle of the photovoltaic charging module 7 composed of a solar photovoltaic cell, a photovoltaic energy collection module, a slave control microprocessor, a slave drive circuit, and a slave power circuit in the utility model have been disclosed in an off-grid photovoltaic energy storage power frequency inverter device disclosed in Chinese patent application number 201921285343.1. Its working principle is: the photovoltaic charging module 7 includes a solar photovoltaic cell, a photovoltaic energy collection module, a slave control microprocessor, a slave drive circuit and a slave power circuit. The photovoltaic energy collection module 18 is model ECO200, which belongs to the prior art. The slave control microprocessor 19 is model KY02S. The solar photovoltaic cell is arranged at one end of the photovoltaic charging module 7, the slave power circuit is arranged at the other end of the photovoltaic charging module, the slave control microprocessor is arranged in the middle of the photovoltaic charging module, the photovoltaic energy collection module and the slave drive circuit are arranged on both sides of the slave control microprocessor, and the photovoltaic energy collection module is arranged on the left side of the slave drive circuit. When in use, the solar photovoltaic cell in the photovoltaic charging module 7 is used to store the solar power generation, and the energy in the solar photovoltaic cell is collected by the photovoltaic energy collection module, and transmitted to the inverter module 5 through the communication line 6.

[0038] The working principle and use process of the utility model are as follows: the utility model manually inserts the mounting ring 46 into the annular groove 47, and the plug-in column is then inserted into the plug-in groove, and the dust net 41 is then placed into the fixing cylinder 45, and then the connecting cylinder 44 is manually inserted into the fixing cylinder 45 and rotated so that the connecting cylinder 44 is threadedly connected to the fixing cylinder 45, so that the pressing ring 42 can be connected to one end of the fixing cylinder 45, and under the action of the pressing ring 42, the mounting ring 46 can be pressed and fixed to ensure the stability of the installation of the dust net 41, and the inverter module 5 and the photovoltaic charging module 7 are respectively fixed to the upper ends of the support plate 3, and then according to the inverter At the interface position on the inverter module 5 and the photovoltaic charging module 7, adjust the position of the support plate 82, first manually rotate the rotating nut 84 to rotate and move along the fixed screw 81, the rotating nut 84 moves to drive the lifting cylinder 85 to move, the lifting cylinder 85 moves to drive the support plate 82 to move, the support plate 82 moves to drive the clamping member 83 to move, when the clamping member 83 moves to the interface position of the communication line 6, stop rotating the rotating nut 84, and then plug one end of the communication line 6 into the interface on the photovoltaic charging module 7, and plug the other end of the communication line 6 through the space between the fixed plate 832 and the arc plate 834 to the interface on the inverter module 5 The rotating screw 831 is then rotated to rotate and move along the fixing plate 832. The movement of the rotating screw 831 drives the rubber pad 833 to move. The movement of the rubber pad 833 drives the communication line 6 to move and fit onto the rubber pad 833 on the arc plate 834. Under the action of the two rubber pads 833, the communication line 6 can be clamped and fixed to avoid friction between the communication line 6 dragging on the ground and the support plate 3, thereby avoiding wear of the communication line 6 and ensuring the connection stability of the inverter module 5 and the photovoltaic charging module 7. Then, the shell cover 2 is connected to the top of the shell 1 with bolts to achieve sealing between the shell 1 and the shell cover 2. During use, a photovoltaic charging module 7 is arranged on the right side of the inverter module 5, and the photovoltaic charging module 7 is used to power the inverter module 5. During the use of the photovoltaic charging module 7 and the inverter module 5, the vent 43 can ensure the air circulation inside the shell 1, and prevent the heat generated by the operation of the photovoltaic charging module 7 and the inverter module 5 from accumulating inside the shell 1, causing the working environment temperature of the photovoltaic charging module 7 and the inverter module 5 to be too high. Under the action of the dustproof net 41, impurities such as dust in the external environment can be prevented from entering the shell 1, thereby preventing the photovoltaic charging module 7 and the inverter module 5 inside the shell 1 from being contaminated.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy storage photovoltaic inverter device, comprising a support plate, characterized in that: An inverter module is connected to one upper end of the pallet, a photovoltaic charging module is connected to the other upper end of the pallet, a communication line is connected between the inverter module and the photovoltaic charging module, a support assembly is arranged above the pallet and below the communication line, a shell is connected above the pallet and outside the inverter module and the photovoltaic charging module, heat dissipation assemblies are arranged on both sides of the shell, and a shell cover is connected above the shell.

2. The energy storage photovoltaic inverter device according to claim 1, characterized in that: The support assembly includes a fixed screw, a support plate, a clamping piece, a rotating nut and a lifting cylinder. The fixed screw is connected to the top of the support plate, the rotating nut is connected to the outer wall of the fixed screw, the lifting cylinder is sleeved on the outer periphery of the fixed screw and located above the rotating nut, one end of the lifting cylinder is connected to the support plate, and a plurality of clamping pieces are arranged above the support plate.

3. The energy storage photovoltaic inverter device according to claim 2, characterized in that: The clamping member includes a rotating screw, a fixed plate, a rubber pad and an arc plate. Several arc plates are connected above the support plate. One end of the arc plate is connected to the fixed plate. The fixed plate is connected to the rotating screw. One end of the rotating screw and the inner side wall of the arc plate are both connected to the rubber pad.

4. The energy storage photovoltaic inverter device according to claim 1, characterized in that: The heat dissipation assembly includes a dustproof net, a vent, a fixing cylinder, a mounting ring and an annular groove. Ventilation holes are provided on both sides of the shell. A fixing cylinder is connected to the side wall of the shell and located at the periphery of the vent. An annular groove is provided at one end of the fixing cylinder. A mounting ring is provided inside the annular groove. The dustproof net is connected inside the mounting ring.

5. The energy storage photovoltaic inverter device according to claim 4, characterized in that: Both ends of one side of the mounting ring close to the annular groove are connected with plug-in posts, and plug-in grooves are arranged on the side wall of the annular groove at positions corresponding to the plug-in posts.

6. The energy storage photovoltaic inverter device according to claim 4, characterized in that: The heat dissipation assembly also includes a pressure ring and a connecting tube. The outer side wall of the fixing tube is connected to the connecting tube, and one end of the connecting tube is connected to the pressure ring.

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