CN218587140U

CN218587140U - HJT battery pack capable of condensing light

Info

Publication number: CN218587140U
Application number: CN202222701773.5U
Authority: CN
Inventors: 王强; 徐陆灵
Original assignee: Hebei Future Double Carbon Energy Co ltd
Current assignee: Hebei Future Double Carbon Energy Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-07
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a HJT battery pack that can spotlight belongs to HJT battery technical field. The HJT battery component capable of condensing light comprises a base, a rotating frame, a disc-shaped chassis, a reflector and a HJT battery piece; the base is horizontally arranged, and a rotating mechanism is arranged at the top end of the base; the rotating frame is vertically arranged on the base, is rotatably connected with the rotating mechanism and rotates along the height direction of the rotating frame; the disc-shaped chassis is horizontally arranged, is rotationally connected with the rotating frame and rotates along the length direction of the rotating frame; the HJT battery piece is arranged above the dish-shaped chassis, the reflector is arranged on the upper surface of the dish-shaped chassis, and the reflected light focus of the reflector is positioned at the HJT battery piece. The sunlight can be gathered on the HJT cell, the orientation of the conical chassis is adjusted, the energy flux density on the surface of the HJT cell is improved, and the electricity generation quantity and the electricity generation efficiency of the HJT cell are improved; the problem of among the prior art "illumination intensity difference leads to the HJT battery piece to produce the decline of electric performance and can't change the orientation after the installation" is solved.

Description

HJT battery pack capable of condensing light

Technical Field

The utility model relates to a HJT battery technology field especially relates to a HJT battery pack that can spotlight.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The HJT battery is also called as a heterojunction battery, is a special PN junction, is formed by amorphous silicon and crystalline silicon materials, is formed by depositing an amorphous silicon film on crystalline silicon, and belongs to one of N-type batteries; the HJT battery structure takes N-type monocrystalline silicon as a substrate light absorption area, and intrinsic amorphous silicon thin films and doped P-type amorphous silicon are sequentially deposited on the front side and the back side of the HJT battery structure after texturing and cleaning, so that a P-N heterojunction is formed with a silicon substrate.

The transparent conductive oxide film deposited on the two sides can reduce series resistance in current collection, can play a role in reducing the reaction of a silicon nitride layer on a similar crystalline silicon battery, forms higher open-circuit voltage, improves conversion efficiency and is widely applied to photovoltaic power generation.

However, in the application of the current HJT cell solar energy, there are still some problems, on one hand, when the HJT cell is located at a position with poor illumination intensity, effective light condensation cannot be performed, which results in low electricity generation amount and low electricity generation efficiency of the HJT cell; on the other hand, most of the HJT cells are fixed in their orientation during installation and cannot be changed after installation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an aim at provides a HJT battery pack that can spotlight to under the relatively poor condition of solution illumination intensity, the HJT battery piece produces the problem that the electric quantity is lower, produce the electric inefficiency.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

an HJT battery pack capable of condensing light comprises a base, a rotating frame, a dish-shaped chassis, a reflector and an HJT battery piece;

the base is horizontally arranged, and a rotating mechanism is arranged at the top end of the base;

the rotating frame is vertically arranged on the base, is rotatably connected with the rotating mechanism and rotates along the height direction of the rotating frame;

the disc-shaped chassis is horizontally arranged, and is rotationally connected with the rotating frame and rotates along the length direction of the rotating frame;

the HJT battery piece is arranged above the dish-shaped chassis, and the reflector is arranged on the upper surface of the dish-shaped chassis.

By adopting the technical scheme, sunlight is gathered on the HJT cell piece through the reflector, the energy flux density on the surface of the HJT cell piece is improved, and the electricity generation efficiency of the HJT cell piece is greatly improved; the rotation of the dish-shaped chassis is realized under the driving of the rotating mechanism, and a user can adjust the orientation of the dish-shaped chassis according to the direction of the sun so that the dish-shaped chassis keeps facing the direction of the sun.

Further, the rotating mechanism comprises a fixed frame, a first motor, a second motor, a rotating shaft, a first turbine and a second turbine;

the fixing frame is vertically arranged on the base and sleeved with the rotating frame, and the bottom end of the fixing frame is provided with an installation groove;

the second turbine is arranged at the bottom end of the rotating frame; a rotating shaft is sleeved in the rotating frame, is vertically arranged in the center of the rotating frame, penetrates through the center of the second turbine and is connected with the first turbine, and the first turbine is horizontally arranged in the mounting groove;

the first motor is arranged at one end of the base along the length direction, the output end of the first motor penetrates through the fixing frame, and the output end of the first motor is rotationally connected with the first turbine;

the other end of the base along the length direction is provided with a fixed block, the second motor is arranged on the fixed block, and the output end of the second motor penetrates through the fixed frame and the output end of the second motor is connected with the second turbine in a rotating mode.

Preferably, a first bevel gear is arranged at the top end of the rotating shaft;

the two ends of the rotating frame in the width direction are respectively and vertically provided with a fixed plate, the fixed plates are positioned at the top end of the rotating frame, the fixed plate at one end is rotatably connected with one end of a first connecting shaft in the length direction, the other end of the first connecting shaft in the length direction is connected with a connecting block, and one end of the connecting block is provided with a second bevel gear;

the first bevel gear is rotationally connected with the second bevel gear;

and a second connecting shaft is vertically arranged at the top end of the connecting block and is connected with the dish-shaped chassis.

By adopting the technical scheme, the rotating shaft is driven to rotate by the first motor, and the dish-shaped chassis is driven to rotate along the second connecting shaft by the second connecting shaft; the second motor drives the rotating frame to rotate, so that the dish-shaped chassis is driven to rotate, and the orientation of the dish-shaped chassis is adjusted in multiple directions.

Preferably, the system further comprises a microcontroller and a photovoltaic inverter;

the HJT battery piece is electrically connected with the photovoltaic inverter, and the photovoltaic inverter is electrically connected with the micro controller;

the microcontroller is in communication with the first motor and the second motor, respectively.

By adopting the technical scheme, a user can preset working parameters and working time of the first motor and the second motor in the microcontroller, so that the orientation of the dish-shaped chassis can be automatically adjusted according to the time, and the labor cost is reduced; the photovoltaic inverter converts the variable direct-current voltage generated by the HJT cell into alternating current with commercial power frequency to supply power for the microcontroller.

Preferably, the top end of the second connecting shaft is provided with an intermediate frame, and the top end of the intermediate frame is attached to the bottom of the dish-shaped chassis and is connected with the dish-shaped chassis;

the photovoltaic inverter and the microcontroller are disposed in the middle frame.

By adopting the technical scheme, the stability of the structure is improved.

Furthermore, 4 ventilation openings are formed in the dish-shaped chassis, and the angle between every two adjacent ventilation openings is 90 degrees;

the ventilation opening is rotatably connected with an arc rotating plate which covers the ventilation opening, and the arc rotating plate rotates along the length direction of the ventilation opening.

By adopting the technical scheme, when the wind speed is too high, the arc-shaped rotating plate can be rotated, so that the ventilation opening is communicated, the pressure intensity of the dish-shaped chassis when strong wind is blown is reduced, and the dish-shaped chassis is prevented from being damaged due to too high wind power.

Preferably, the device further comprises a third motor;

one end of the arc-shaped rotating plate is rotatably connected with one end of the ventilation opening through a rotating block, the other end of the arc-shaped rotating plate is rotatably connected with the other end of the ventilation opening through a special-shaped rotating shaft, and the special-shaped rotating shaft is provided with a fourth bevel gear;

the output end of the third motor penetrates through the middle part of the dish-shaped chassis, and a third bevel gear is arranged at the output end of the third motor and is rotationally connected with the fourth bevel gear.

Through adopting above-mentioned technical scheme, through the cooperation of third motor, third bevel gear, fourth bevel gear, realize the rotation of arc rotor plate.

Preferably, the system also comprises a wind speed sensor and a microcontroller;

the wind speed sensor is in communication with the microcontroller, and the microcontroller is in communication with the third motor respectively.

Through adopting above-mentioned technical scheme, wind speed sensor is used for gathering wind speed information and transmits to microcontroller, and microcontroller compares wind speed information and default, if wind speed information is higher than the default, then starts the third motor, rotates the arc rotor plate for the vent link up, reduces the pressure that the dish-shaped chassis received when blowing strong wind, avoids it to receive the harm because of wind-force is too big.

Furthermore, the reflectors are strip reflectors, and the strip reflectors are arranged on the dish-shaped chassis in parallel at intervals;

and the reflected light focus of the strip-shaped reflector is positioned at the HJT cell piece.

Through adopting above-mentioned technical scheme, the bar reflector reflects sunshine to the HJT battery piece, promotes the electrogenesis ability of HJT battery piece.

Furthermore, two fixed rods are symmetrically arranged at the top ends of the circumferential sides of the disc-shaped chassis, and shells are arranged at the top ends of the two fixed rods;

the HJT battery piece set up in the bottom of shell.

The embodiment of the utility model provides an in the technical scheme who provides, following technological effect or advantage have at least:

1. the sunlight is collected on the HJT cell through the reflector, so that the energy flux density of the surface of the HJT cell is improved, the electricity generation quantity of the HJT cell is improved, and the electricity generation efficiency of the HJT cell is greatly improved;

2. the rotation of the dish-shaped chassis is realized through the matching of the first motor, the second motor, the first turbine, the second turbine, the rotating frame, the rotating shaft and other components, so that the dish-shaped chassis keeps the orientation facing the sun, and the sunlight is conveniently collected to the HJT cell by the reflector;

3. the ventilation openings are communicated and closed through the matching of the third motor, the third bevel gear, the fourth bevel gear and other components, when the wind speed in the external environment is too high, the arc-shaped rotating plate is rotated, the four communicated ventilation openings can be opened on the dish-shaped chassis, the pressure intensity of the dish-shaped chassis under strong wind is reduced by utilizing the four communicated ventilation openings, and the dish-shaped chassis is prevented from being damaged due to the fact that the wind power is too high;

4. the working states of the first motor, the second motor and the third motor can be controlled by the microcontroller, and the first motor and the second motor are controlled to rotate according to the change of time, so that the rotation of the disc-shaped chassis is realized; when the external wind speed is too high, the microcontroller controls the third motor to rotate, so that the arc rotating plate rotates; human intervention is not needed, the labor cost is reduced, and the use experience of the user is improved.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view provided by an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a structure at a provided in an embodiment of the present invention;

fig. 4 is a schematic top view of the first turbine and the second turbine provided by the embodiment of the present invention;

FIG. 5 is a schematic top view of a dish-shaped base provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an arc-shaped rotating plate provided by an embodiment of the present invention;

in the figure: 100. a base; 200. a fixed mount; 210. a first turbine; 220. a first motor; 230. a first connecting rod; 240. a first worm; 300. a rotating frame; 301. a fixing plate; 310. a second turbine; 400. a fixed block; 410. a second motor; 420. a second connecting rod; 430. a second worm; 500. a rotating shaft; 510. a first bevel gear; 600. a first connecting shaft; 610. connecting blocks; 620. a second bevel gear; 630. a second connecting shaft; 700. a middle frame; 701. a microcontroller; 710. a third motor; 720. a third connecting rod; 730. a third bevel gear; 740. a vent; 750. rotating the block; 760. a special-shaped rotating shaft; 770. an arc rotating plate; 780. a fourth bevel gear; 702. a photovoltaic inverter; 800. a dish-shaped chassis; 801. a reflective mirror; 810. fixing the rod; 820. a housing; 830. HJT cell slice; 840. a wind speed sensor; 900. circular arc spout.

The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Term interpretation section: the terms "mounting", "connecting", "fixing" and the like in the present invention should be understood in a broad sense, for example, they may be fixed or detachable or integrated; the term "coupled" as used herein refers to a mechanical connection, a direct connection, an indirect connection through an intermediary, an internal connection between two elements, or an interaction between two elements, and those skilled in the art can understand the meaning of the term in the present disclosure according to the specific situation.

Example one

As described in the background art, in the prior art, when the HJT cell 830 is located at a position with poor illumination intensity, effective light collection cannot be performed, so that the power generation amount of the HJT cell 830 is low, the power generation efficiency is low, and most of the HJT cells 830 are fixed in orientation during installation and cannot change in orientation after installation. In order to solve the technical problem, the utility model provides a HJT battery pack that can spotlight.

As shown in fig. 1-6, an embodiment of the present invention describes an HJT battery assembly capable of concentrating light. The HJT battery pack capable of condensing light comprises a base 100, a rotating frame 300, a disc-shaped chassis 800, a reflector 801 and a HJT battery piece 830; the base 100 is horizontally arranged, and a rotating mechanism is arranged at the top end of the base 100; the rotating frame 300 is vertically installed on the base 100, and the rotating frame 300 is rotatably connected with the rotating mechanism and rotates along the height direction of the rotating frame 300; the disc-shaped chassis 800 is horizontally arranged, and the disc-shaped chassis 800 is rotationally connected with the rotating frame 300 and rotates along the length direction of the rotating frame 300; two fixing rods 810 are symmetrically arranged at the top end of the periphery of the disc-shaped chassis 800, and a shell 820 is arranged at the top ends of the two fixing rods 810; the HJT cell 830 is mounted at the bottom of the housing 820 above the disk tray 800, the mirror 801 is mounted on the upper surface of the disk tray 800, and the focus of the reflected light of the mirror 801 is located at the HJT cell 830.

The rotating mechanism comprises a fixed frame 200, a first motor 220, a second motor 410, a rotating shaft 500, a first turbine 210 and a second turbine 310; the fixing frame 200 is vertically installed on the base 100 and sleeved on the rotating frame 300, and the joint of the fixing frame 200 and the mounting frame 300 is provided with an arc-shaped sliding chute 900 to improve the stability of the fixing frame 200 and the rotating frame 300 in the rotating connection process; the bottom end of the fixing frame 200 is provided with a mounting groove; the second turbine 310 is installed at the bottom end of the rotating frame 300; a rotating shaft 500 is sleeved in the rotating frame 300, the rotating shaft 500 is vertically arranged in the center of the rotating frame 300 and penetrates through the center of the second turbine 310 to be connected with the first turbine 210, and the first turbine 210 is horizontally arranged in the mounting groove; the first motor 220 is installed at one end of the base 100 along the length direction, a first connecting rod 230 is horizontally and fixedly installed at an output end of the first motor 220, the first connecting rod 230 penetrates through the fixing frame 200, a first worm 240 is horizontally and fixedly installed at one end of the first connecting rod 230 far away from the output end of the first motor 220, and the first worm 240 is meshed with the first worm gear 210.

The other end of the base 100 along the length direction is provided with a fixing block 400, a second motor 410 is arranged on the fixing block 400, the output end of the second motor 410 is horizontally and fixedly provided with a second connecting rod 420, the second connecting rod 420 penetrates through the fixing frame 200, one end of the second connecting rod 420 far away from the output end of the second motor 410 is horizontally provided with a second worm 430, and the second worm 430 is meshed with the second worm wheel 310.

A first bevel gear 510 is installed at the top end of the rotating shaft 500, fixing plates 301 are respectively vertically installed at two ends of the rotating frame 300 along the width direction, and the fixing plates 301 are located at the top end of the rotating frame 300 and integrated with the rotating frame 300; the fixing plate 301 at one end is rotatably connected with one end of a first connecting shaft 600 along the length direction, the other end of the first connecting shaft 600 along the length direction is connected with a connecting block 610, and one end of the connecting block 610 is provided with a second bevel gear 620; the first bevel gear 510 and the second bevel gear 620 are engaged. The top end of the connecting block 610 is vertically provided with a second connecting shaft 630, the top end of the second connecting shaft 630 is provided with an intermediate frame 700, and the intermediate frame 700 is connected with the dish-shaped chassis 800.

The dish-shaped chassis 800 is provided with 4 ventilation holes 740, and the angle between every two adjacent ventilation holes 740 is 90 degrees; the ventilation opening 740 is provided with an arc-shaped rotating plate 770 covering the ventilation opening 740, one end of the arc-shaped rotating plate 770 is rotatably connected with one end of the ventilation opening 740 through a rotating block 750, the other end of the arc-shaped rotating plate 770 is connected with a special-shaped rotating shaft 760, one end of the special-shaped rotating shaft 760, which is far away from the arc-shaped rotating plate 770, is provided with a fourth bevel gear 780, and one end of the special-shaped rotating shaft 760, which is far away from the arc-shaped rotating plate 770, is located at the top end of the middle frame 700.

The arc rotation plate 770 rotates in the length direction of the ventilation opening 740.

A third motor 710 is installed in the middle frame 700, and the third motor 710 is located in the middle of the middle frame 700; the output end of the third motor 710 is horizontally and fixedly provided with a third connecting rod 720, the third connecting rod 720 penetrates through the middle of the dish-shaped chassis 800, one end of the third connecting rod 720, which is far away from the output end of the third motor 710, is horizontally and fixedly provided with a third bevel gear 730, and the third bevel gear 730 is meshed with a fourth bevel gear 780.

The middle frame 700 is internally provided with a photovoltaic inverter 702, the HJT battery piece 830 is electrically connected with the photovoltaic inverter 702, and the photovoltaic inverter 702 is respectively electrically connected with the first motor 220, the second motor 410 and the third motor 710 to supply power for the first motor 220, the second motor 410 and the third motor 710.

In this embodiment, the reflective mirror 801 is a strip-shaped reflective mirror, the number of the strip-shaped reflective mirrors is 9, the strip-shaped reflective mirrors are parallelly installed on the dish-shaped chassis 800 at intervals, and the reflective light focus of the strip-shaped reflective mirror is located at the HJT cell slice; the end of the special-shaped rotating shaft 760, to which the fourth bevel gear 780 is not mounted, is slightly bent downward so that the arc-shaped rotating plate 770 can be attached to the dish-shaped base plate 800 when mounted, the height of the fixing block 400 can ensure that the second worm 430 and the second worm gear 310 are engaged, and four corners of the top end of the middle frame 700 are protruded to define the positions of the four special-shaped rotating shafts 760.

The working mode of the embodiment is as follows:

sunlight is reflected and gathered on the HJT cell 830 through the reflector 801, energy flow density on the surface of the HJT cell 830 is improved, and electricity generation efficiency of the HJT cell 830 is greatly improved.

When the orientation of the device needs to be adjusted, the first motor 220 is started, the first motor 220 rotates, the first worm 240 drives the first worm gear 210 to rotate, so as to drive the rotating shaft 500 to rotate, and when the rotating shaft 500 rotates, the first bevel gear 510 drives the second bevel gear 620 to rotate, so as to drive the connecting block 610 to rotate, so that the second connecting shaft 630 can rotate around the first connecting shaft 600, so that the dish-shaped chassis 800 rotates along the first connecting shaft 600; the second motor 410 is started, when the second motor 410 rotates, the second worm 430 drives the second worm wheel 310 to rotate, so as to drive the rotating frame 300 to rotate, and when the rotating frame 300 rotates, the second connecting shaft 630 can be driven to rotate around the rotating shaft 500, so as to realize the autorotation of the disk-shaped chassis 800, so that the disk-shaped chassis faces the sun.

When the wind speed in the external environment is too high, the third motor 710 is started, the third motor 710 drives the third connecting rod 720 to rotate, and further drives the third bevel gear 730 to rotate, so that the four fourth bevel gears 780 rotate, and further drives the four special-shaped rotating shafts 760 to rotate, so that the arc-shaped rotating plates 770 rotate, through the rotation of the four arc-shaped rotating plates 770, the four through ventilation openings 740 can be opened on the disc-shaped chassis 800, the four through ventilation openings 740 are utilized to reduce the pressure of the disc-shaped chassis 800 when strong wind is generated, and the disc-shaped chassis 800 is prevented from being damaged due to the fact that the wind power is too high.

Example 2

The present embodiment is different from embodiment 1 in that it further includes a wind speed sensor 840 and a microcontroller 701; the wind speed sensor 840 is electrically connected with the microcontroller 701, and the microcontroller 701 is electrically connected with the first motor 220, the second motor 410 and the third motor 710 respectively; the HJT battery piece 830 is electrically connected with the photovoltaic inverter 702, and the photovoltaic inverter 702 is electrically connected with the microcontroller 701; the microcontroller 701 is mounted within the middle frame 700.

In this embodiment, the wind speed sensor 840 is configured to collect wind speed information and transmit the wind speed information to the microcontroller 701, and the microcontroller 701 compares the wind speed information with a preset value, and if the wind speed information is higher than the preset value, the third motor 710 is started to rotate the arc-shaped rotating plate 770.

The user can preset the working parameters and working time of the first motor 220 and the second motor 410 in the microcontroller 701, and control the working states of the first motor 220 and the second motor 410 according to the time to realize the automatic adjustment of the orientation of the disk-shaped chassis 800, thereby reducing the labor cost.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. An HJT battery pack capable of condensing light is characterized by comprising a base, a rotating frame, a disc-shaped chassis, a reflector and an HJT battery piece;

2. The HJT cell assembly capable of concentrating light of claim 1, wherein the rotational mechanism comprises a fixed frame, a first motor, a second motor, a rotating shaft, a first turbine, and a second turbine;

3. The HJT cell assembly capable of concentrating light of claim 2, wherein a first bevel gear is provided at the top end of the rotating shaft;

the first bevel gear is in rotational connection with the second bevel gear;

4. The HJT cell assembly capable of concentrating light of claim 3, further comprising a microcontroller and a photovoltaic inverter;

5. The HJT cell assembly capable of concentrating light of claim 4, wherein a middle frame is disposed at a top end of the second connecting shaft, and a top end of the middle frame is attached to a bottom of the dish-shaped chassis and connected to the dish-shaped chassis;

6. The HJT cell module according to claim 1, wherein the dish-shaped tray has 4 vents, and the angle between two adjacent vents is 90 degrees;

7. The HJT cell assembly capable of concentrating light of claim 6, further comprising a third motor;

the output end of the third motor penetrates through the middle part of the disc-shaped chassis, a third bevel gear is arranged at the output end of the third motor, and the third bevel gear is rotatably connected with the fourth bevel gear.

8. The HJT battery assembly capable of concentrating light of claim 7, further comprising a wind speed sensor and a microcontroller;

9. The HJT cell assembly of claim 1, wherein the mirrors are strip mirrors, the number of strip mirrors being a plurality of strip mirrors spaced in parallel on the dish-shaped chassis;

10. The HJT cell assembly capable of concentrating light of claim 1, wherein two fixing bars are symmetrically disposed at the top end of the periphery side of the dish-shaped chassis, and a housing is disposed at the top end of the two fixing bars;

the HJT battery piece set up in the bottom of shell.