A bidirectional energy storage inverter based on grid-connected closing control technology

Abstract

A bidirectional energy storage inverter based on grid-connected closing control technology includes a box and a mainboard, wherein the mainboard is arranged inside the box, the mainboard is fixed inside the box, a first fan is fixed on the inner wall of both sides of the box, a rotating rod is arranged on both sides of the box, two push rods are fixed outside the rotating rod, the two push rods are symmetrically arranged up and down, and rollers are fixed on the top of the push rods. The present invention drives the two push rods on the rotating rod to rotate through the output end of the first fan, and the rollers on the two push rods contact the inclined surfaces on the right right trapezoidal block and the inverted right right trapezoidal block respectively, and reciprocatingly squeeze and push the two, so that the two can continuously clean the dustproof cloth to avoid the clogging and accumulation of the dustproof cloth. At the same time, the telescopic rod drives the two to reset with the help of the tension of the spring reset, and the dust and impurities are blocked by the dustproof cloth and the filter net to prevent them from entering the box and affecting the use effect of the internal components.

Description

Technical Field

[0001] The present invention relates to the technical field of inverter equipment, and in particular to a bidirectional energy storage inverter based on grid-connected closing control technology. Background Art

[0002] The main function and role of the bidirectional energy storage inverter is to realize the bidirectional energy transfer between the AC grid power and the energy storage battery power. At present, there are differences in the voltage used for electricity in various countries around the world. There are generally two types, 100V~130V and 220~240V. The mainboard in the inverter box and the working components on the mainboard need to work continuously. These components will generate a lot of heat in the box. The continuous accumulation of this heat in the inverter box will affect the conversion work of the inverter. At present, bidirectional energy storage inverters with different voltage levels are mainly designed to adapt to grids of different voltage levels. The grid-connected closing control technology keeps the frequency, voltage and phase of the grid consistent so that the three conditions are exactly the same to connect to the grid for power generation.

[0003] The invention CN210839369U discloses a bidirectional energy storage photovoltaic inverter, comprising a box body, on which fixing bolts are fixedly installed, a box cover is installed on the upper part of the box body through fixing bolts, a first fan is installed on one side of the box body, a second fan is installed on the other side of the box body, and a top fan is fixedly installed on the bottom of the box cover.

[0004] The prior art has the following disadvantages: when the fan blows air to dissipate heat inside, dust and impurities from the outside will enter the box through the gap between the box body and the box cover, adhere to the components inside the box, and affect the working efficiency of the components inside the box. Summary of the invention

[0005] To this end, the present invention provides a bidirectional energy storage inverter based on grid-connected closing control technology, in which two push rods on a rotating rod are driven to rotate by the output end of a first fan, and rollers on the two push rods are in contact with the inclined surfaces on the right-angled trapezoidal block and the inverted right-angled trapezoidal block respectively, and the two are reciprocatingly squeezed and pushed, so that the two can continuously clean the dustproof cloth to avoid clogging and accumulation of the dustproof cloth. At the same time, the telescopic rod drives the two to reset with the help of the tension of the spring reset, and the dust and impurities are blocked by the setting of the dustproof cloth and the filter net to prevent them from entering the interior of the box and affecting the use effect of the internal components.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bidirectional energy storage inverter based on grid-connected closing control technology, comprising a box and a mainboard, the mainboard is arranged inside the box, the inner walls on both sides of the box are fixedly provided with a first fan, the box is provided with a rotating rod on both sides, two push rods are fixedly provided outside the rotating rod, the two push rods are symmetrically arranged up and down, a roller is fixedly provided on the top of the push rod, the end of the rotating rod close to the box passes through the box and extends to the inside of the box, the rotating rod is fixedly connected to the output end of the first fan, two ventilation holes are provided on both sides of the box, the two ventilation holes are symmetrically arranged about the central axis of the box, and the ventilation holes are provided with a plurality of air vents. A filter is fixedly provided on the part, a dustproof cloth is fixedly provided on the outer side wall of the filter, a right-angled trapezoidal block and an inverted right-angled trapezoidal block are respectively provided between the two vents, the inclined surfaces on the right-angled trapezoidal block and the inverted right-angled trapezoidal block are close to the rotating rod, two grooves are provided on both sides of the box body, the two grooves correspond to the right-angled trapezoidal block and the inverted right-angled trapezoidal block respectively, a telescopic rod is fixedly provided inside the groove, a spring is sleeved on the outside of the telescopic rod end, a connecting rod is fixedly provided on the end of the telescopic rod, the spring is fixedly connected to the connecting rod, the two connecting rods are respectively fixedly connected to the right-angled trapezoidal block and the inverted right-angled trapezoidal block, and a box cover is fixedly provided on the top of the box body.

[0007] Furthermore, a closing grid-connected switch circuit breaker is provided on one side of the box body, and a wiring port is opened on the front side of the box body, and the wiring port is electrically connected to the closing grid-connected switch circuit breaker through a wire.

[0008] Furthermore, a second fan is fixedly provided at the bottom of the box cover.

[0009] Furthermore, a clearance hole is formed through the top of the mainboard, and a heat dissipation hole is formed through the bottom of the box, and the clearance hole is communicated with the heat dissipation hole.

[0010] Furthermore, a plurality of heat dissipation fins are fixedly provided on the bottom of the box body, and the plurality of heat dissipation fins are evenly spaced.

[0011] Furthermore, the clearance holes and the heat dissipation holes correspond to the heat dissipation fins.

[0012] Furthermore, the clearance holes and the heat dissipation holes correspond to the heat dissipation fins.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention drives the two push rods on the rotating rod to rotate through the output end of the first fan, and the rollers on the two push rods contact the inclined surfaces on the right-angled trapezoidal block and the inverted right-angled trapezoidal block respectively, and squeeze and push the right-angled trapezoidal block and the inverted right-angled trapezoidal block back and forth, so that the two can continuously clean the dustproof cloth to avoid clogging and accumulation of the dustproof cloth. At the same time, the telescopic rod drives the two to reset with the help of the tension of the spring reset to facilitate the next cleaning. The dustproof cloth and the filter net are set to block dust and impurities to prevent them from entering the interior of the box and affecting the use effect of the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0017] Figure 1 A top-sectional view of the overall structure provided by the present invention;

[0018] Figure 2 A cross-sectional view of the overall structure provided by the present invention;

[0019] Figure 3 The front view of the overall structure provided by the present invention;

[0020] Figure 4 The present invention provides Figure 1 Enlarged view of part A in the middle;

[0021] Figure 5 The present invention provides Figure 1 Enlarged view of part B;

[0022] In the figure: 1. box body; 2. main board; 3. first fan; 4. rotating rod; 5. push rod; 6. roller; 7. vent; 8. filter; 9. dustproof cloth; 10. right-angle trapezoidal block; 11. inverted right-angle trapezoidal block; 12. groove; 13. telescopic rod; 14. spring; 15. connecting rod; 16. box cover; 17. closing grid-connected switch circuit breaker; 18. wiring port; 19. second fan; 20. clearance hole; 21. heat dissipation hole; 22. heat dissipation fins; 23. mounting plate. DETAILED DESCRIPTION

[0023] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Refer to the instruction manual Figure 1-5 , a bidirectional energy storage inverter based on grid-connected closing control technology in this embodiment includes a box body 1 and a main board 2, the main board 2 is arranged inside the box body 1, the first fan 3 is fixedly provided on the inner walls on both sides of the box body 1, the box body 1 is provided with a rotating rod 4 on both sides, two push rods 5 are fixedly provided on the outside of the rotating rod 4, the two push rods 5 are symmetrically arranged up and down, and a roller 6 is fixedly provided on the top of the push rod 5, the end of the rotating rod 4 close to the box body 1 passes through the box body 1 and extends to the inside of the box body 1, the rotating rod 4 is fixedly connected to the output end of the first fan 3, two ventilation openings 7 are provided on both sides of the box body 1, the two ventilation openings 7 are symmetrically arranged about the central axis of the box body 1, a filter screen 8 is fixedly provided inside the ventilation opening 7, and the outer wall of the filter screen 8 A dustproof cloth 9 is fixedly provided on the top, and a right-angled trapezoidal block 10 and an inverted right-angled trapezoidal block 11 are respectively provided between the two vents 7, and the inclined surfaces on the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11 are close to the rotating rod 4. Two grooves 12 are provided on both sides of the box body 1, and the two grooves 12 correspond to the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11 respectively, and a telescopic rod 13 is fixedly provided inside the groove 12, and a spring 14 is sleeved on the outside of the rod end of the telescopic rod 13, and a connecting rod 15 is fixedly provided at the rod end of the telescopic rod 13, and the spring 14 is fixedly connected to the connecting rod 15, and the two connecting rods 15 are respectively fixedly connected to the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11, and a box cover 16 is fixedly provided on the top of the box body 1.

[0025] Furthermore, a closing grid-connected switch circuit breaker 17 is provided on one side of the box body 1, and a wiring port 18 is opened on the front side of the box body 1. The wiring port 18 is electrically connected to the closing grid-connected switch circuit breaker 17 through a wire. The closing grid-connected switch circuit breaker 17 controls the grid connection and off-grid connection of the inverter, and the effect is better and more stable.

[0026] Furthermore, a second fan 19 is fixedly provided at the bottom of the box cover 16 to change the wind direction of the air blown by the internal first fan 3 so that the wind energy can contact all components inside the box body 1.

[0027] Furthermore, a clearance hole 20 is formed through the top of the mainboard 2, and a heat dissipation hole 21 is formed through the bottom of the box body 1. The clearance hole 20 is connected with the heat dissipation hole 21, so that hot air can be discharged normally.

[0028] Furthermore, a plurality of heat dissipation fins 22 are fixedly provided at the bottom of the housing 1, and the plurality of heat dissipation fins 22 are evenly spaced to enhance the overall heat dissipation performance of the device.

[0029] Furthermore, the clearance holes 20 and the heat dissipation holes 21 correspond to the heat dissipation fins 22 , so that wind energy can dissipate heat from the heat dissipation fins 22 , thereby improving the heat dissipation effect of the heat dissipation fins 22 .

[0030] Furthermore, mounting plates 23 are fixedly provided at the four corners of the bottom of the box body 1, and screws are threadedly connected inside the mounting plates 23 to facilitate installation and enhance the overall stability of the equipment.

[0031] The specific implementation scenarios are:

[0032] When the present invention is in use, it is fixedly installed in a suitable position through the mounting plate 23, and then the machine is started, the two first fans 3 in the box body 1 and the second fan 19 on the box cover 16 blow air in opposite directions, the first fan 3 on the top blows air downward to change the internal wind direction, and the hot wind passes through the clearance hole 20 of the main board 2 and the heat dissipation hole 21 on the box body 1 and blows to the outside of the box body 1, dissipating the heat of the main board 2 and components inside the box body 1, and assisting the heat dissipation fins 22 in dissipating heat, and while the first fan 3 dissipates heat inside the box body 1, it drives the two push rods 5 to rotate through the rotating rod 4, and when the two push rods 5 rotate, the rollers 6 thereon contact with the inclined surfaces on the right right trapezoidal block 10 and the inverted right right trapezoidal block 11 respectively, and during the contact process, the two push rods 5 squeeze And push the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11, so that the two move toward the two air vents 7 respectively, and clean the dust-proof cloth 9 in the air vent 7 to avoid dust accumulation and blockage, which affects the heat dissipation effect of the first fan 3. When the two push rods 5 are separated from the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11, the telescopic rods 13 in the two grooves 12 use the tension of the spring 14 when it is reset, and drive the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11 to reset through the connecting rod 15 respectively. The continuous rotation of the rotating rod 4 drives the two push rods 5 to rotate continuously. The two push rods 5 squeeze and push the right-angled trapezoidal block 10 and the inverted right-angled trapezoidal block 11 back and forth, so that the two can continuously clean the dust-proof cloth 9 to avoid blockage and accumulation of the dust-proof cloth 9.

[0033] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A bidirectional energy storage inverter based on grid-connected closing control technology, comprising a housing (1) and a mainboard (2), wherein the mainboard (2) is arranged inside the housing (1), and is characterized in that: The first fan (3) is fixedly provided on the inner walls of both sides of the box body (1), a rotating rod (4) is provided on both sides of the box body (1), two push rods (5) are fixedly provided outside the rotating rod (4), the two push rods (5) are symmetrically arranged up and down, and a roller (6) is fixedly provided on the top of the push rod (5), the end of the rotating rod (4) close to the box body (1) passes through the box body (1) and extends into the inside of the box body (1), the rotating rod (4) is fixedly connected to the output end of the first fan (3), and two push rods (5) are provided on both sides of the box body (1). The two ventilation openings (7) are symmetrically arranged about the central axis of the box body (1), a filter screen (8) is fixedly arranged inside the ventilation opening (7), a dustproof cloth (9) is fixedly arranged on the outer wall of the filter screen (8), a right-angled trapezoidal block (10) and an inverted right-angled trapezoidal block (11) are respectively arranged between the two ventilation openings (7), the inclined surfaces on the right-angled trapezoidal block (10) and the inverted right-angled trapezoidal block (11) are close to the rotating rod (4), and two grooves (12) are arranged on both sides of the box body (1). ), the two grooves (12) respectively correspond to the right-angled trapezoidal block (10) and the inverted right-angled trapezoidal block (11), a telescopic rod (13) is fixedly provided inside the groove (12), a spring (14) is sleeved outside the end of the telescopic rod (13), a connecting rod (15) is fixedly provided at the end of the telescopic rod (13), the spring (14) is fixedly connected to the connecting rod (15), the two connecting rods (15) are respectively fixedly connected to the right-angled trapezoidal block (10) and the inverted right-angled trapezoidal block (11), and the box body (1) A box cover (16) is fixedly provided on the top; the two push rods (5) are driven to rotate by the rotating rod (4); when the two push rods (5) rotate, the rollers (6) thereon contact the inclined surfaces on the right-angle trapezoidal block (10) and the inverted right-angle trapezoidal block (11) respectively; during the contact process, the two push rods (5) respectively squeeze and push the right-angle trapezoidal block (10) and the inverted right-angle trapezoidal block (11), so that the two move toward the two ventilation ports (7) respectively, and clean the dustproof cloth (9) in the ventilation ports (7).

2. A bidirectional energy storage inverter based on grid-connected closing control technology according to claim 1, characterized in that: A closing grid-connected switch circuit breaker (17) is provided on one side of the box body (1), and a wiring port (18) is provided on the front side of the box body (1); the wiring port (18) is electrically connected to the closing grid-connected switch circuit breaker (17) via a wire.

3. The bidirectional energy storage inverter based on the grid-connected closing control technology according to claim 1 is characterized in that: A second fan (19) is fixedly provided at the bottom of the box cover (16).

4. The bidirectional energy storage inverter based on the grid-connected closing control technology according to claim 1 is characterized in that: A clearance hole (20) is provided through the top of the mainboard (2), and a heat dissipation hole (21) is provided through the bottom of the box body (1), wherein the clearance hole (20) is in communication with the heat dissipation hole (21).

5. The bidirectional energy storage inverter based on the grid-connected closing control technology according to claim 4 is characterized in that: A plurality of heat dissipation fins (22) are fixedly provided on the bottom of the box body (1), and the plurality of heat dissipation fins (22) are evenly spaced.

6. The bidirectional energy storage inverter based on the grid-connected closing control technology according to claim 5 is characterized in that: The clearance holes (20) and the heat dissipation holes (21) correspond to the heat dissipation fins (22).

7. The bidirectional energy storage inverter based on the grid-connected closing control technology according to claim 1 is characterized in that: The four corners of the bottom of the box body (1) are fixedly provided with mounting plates (23), and the mounting plates (23) are internally threaded with screws.

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