CN212991042U

CN212991042U - Electric injection equipment of photovoltaic cell piece

Info

Publication number: CN212991042U
Application number: CN202021444309.7U
Authority: CN
Inventors: 吴文; 顾辉; 周喜明; 李健
Original assignee: Zhejiang Fortune Energy Co ltd
Current assignee: Zhejiang Fortune Energy Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an electricity injection device of photovoltaic cell piece belongs to solar wafer production facility technical field, including frame and charging source, the below fixedly connected with of frame supports the base, the casing is installed to the frame top, casing below cooperation is connected with the fan, control panel is installed to the frame bottom, control panel top fixedly connected with workstation, the buckle is installed to the workstation top, inside battery piece and the battery piece of having placed of buckle are a plurality of, the battery piece both ends are connected with the pipe, charging source is installed to pipe one end. The utility model discloses the device can carry out the sensing of whole battery pieces to the temperature that produces when charging and detect for detect the effect piece, avoid taking place danger, the high temperature that produces when the battery piece charges, can be timely dispel the heat, avoid resulting in inside high temperature, cause the damage of battery piece, make battery piece life longer.

Description

Electric injection equipment of photovoltaic cell piece

Technical Field

The utility model relates to a solar wafer production facility technical field especially relates to a photovoltaic cell's electricity injection apparatus.

Background

The common process in the field of solar cell production is to inject carriers into the cell by an electrical injection device to realize hydrogen passivation and reduce the influence caused by the light-induced attenuation phenomenon. The existing electric injection equipment is in a production line type, and the electric injection process of the battery piece is performed stage by sequentially passing the battery piece through a plurality of processing chambers in the electric injection equipment through a conveying device. The battery pieces on the conveying belt need to pass through each processing chamber in sequence, and the continuous feeding of the battery pieces can be affected by the fault problem of any processing chamber, so that the whole electric injection equipment needs to be shut down for maintenance. And the different batches of battery pieces cannot be adjusted by the electric injection process distinctively at the same time.

Patent No. 201921174587.2 discloses an electric injection device for performing an electric injection process on a plurality of cells stacked together, comprising: the battery pack comprises a lower electrode for electrifying the battery piece at the lowest layer, an upper electrode for electrifying the battery piece at the uppermost layer, a power supply respectively connected with the lower electrode and the upper electrode, and a temperature detection device for detecting the temperature of the battery piece; the temperature detection device includes: the temperature probe faces the battery piece, and the reciprocating lifting driving mechanism drives the temperature probe to lift in a reciprocating mode. The utility model discloses electrical injection equipment, it can carry out successive layer temperature to the battery piece of piling together and detect to improve the accuracy that the temperature detected.

The above-described technical electrical injection device has the following drawbacks: 1. the device can not sense and detect all the battery pieces according to the temperature generated during charging, so that the detection effect is slow and danger is easy to occur; 2. the device can not timely dispel the heat at the high temperature that the battery piece produced when charging, easily leads to inside high temperature, causes the damage of battery piece, makes the battery piece easy damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electricity injection apparatus of photovoltaic cell piece, the device can carry out the sensing of whole battery pieces to the temperature that produces when charging and detect for detect the effect piece, avoid taking place danger, the high temperature that produces when the battery piece charges, can be timely dispel the heat, avoid leading to inside high temperature, cause the damage of battery piece, make battery piece life longer.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of photovoltaic cell piece's electricity injection device, including frame and charging source, the below fixedly connected with of frame supports the base, the casing is installed to the frame top, casing below cooperation is connected with the flabellum, control panel is installed to the frame bottom, control panel top fixedly connected with workstation, the buckle is installed to the workstation top, inside battery piece and the battery piece of having placed of buckle are a plurality of, the battery piece both ends are connected with the pipe, the charging source is installed to pipe one end, the dead lever is installed to battery piece one side, it is a plurality of to inlay and be connected with temperature probe and temperature probe on the dead lever surface.

Optionally, a motor is mounted inside the casing, fixing frames are mounted on two sides of the motor, and a power output end of the motor is connected with a power input end of the transmission shaft.

Optionally, an upper pole piece is installed at the upper end of the battery piece, and a lower pole piece is fixedly connected below the battery piece.

Optionally, fan blades are installed below the transmission shaft.

Optionally, the control panel is electrically connected with an external power supply through a wire, the output end of the control panel is electrically connected with the input end of the motor, the output end of the control panel is electrically connected with the input end of the temperature probe, and the output end of the control panel is electrically connected with the input end of the charging source.

The utility model has the advantages as follows:

the embodiment of the utility model provides an electricity injection apparatus of photovoltaic cell piece:

1. install the charging source in one side of frame and be connected with external power supply with the wire through control panel, control charging source passes through pipe internally mounted's electric wire, carry out the transport of charging of a electric current to the last pole piece of battery piece top, and unnecessary electric quantity spreads into the charging source inside through lower pole piece, carry out the use of circulation, prevent that the too big damage that leads to the battery piece of inside charge volume, install the dead lever in the one end of battery piece, surface mounting at the dead lever has temperature probe, and temperature probe is a plurality of, can correspond the detection of each battery piece, make detection numerical value more accurate, can show the temperature that detects through the display screen on the control panel, the thermocouple comprises two different wires (thermode), their one end is welded mutually, form the measuring terminal (also called the work end) of thermocouple. Inserting it into a medium whose temperature is to be measured; and the other end (reference or free end) of the thermocouple is connected to a display instrument. If the temperature difference exists between the measuring end and the reference end of the thermocouple, the display instrument indicates the thermoelectromotive force generated by the thermocouple, and the device can perform sensing detection on all the battery pieces according to the temperature generated during charging, so that the detection effect is improved, and the occurrence of danger is avoided.

2. The workbench is arranged above the rack, the guide pipe can shuttle from the inside of the work, the buckle is arranged above the work, the position of the battery piece can be fixed, the battery piece is prevented from falling down to cause electric leakage danger, the damage of the battery piece is also avoided, a large amount of heat can be generated when the battery piece is charged, the surface of the battery piece needs to be cooled in time, the motor can be controlled by the control panel through the motor inside the rack, the motor works and is connected with the power input end of the transmission shaft through the power output end of the motor to drive the transmission shaft to rotate, the fan blades are arranged below the transmission shaft, the surface of the battery piece is blown to dissipate heat through the rotation of the fan blades, the whole rack is open, air can be effectively circulated, the heat dissipation effect is better, the service life of the battery piece is longer, and the device generates high temperature when the battery piece is charged, the battery piece can be timely cooled, the damage to the battery piece caused by overhigh internal temperature is avoided, and the service life of the battery piece is longer.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an electric injection device for photovoltaic cells according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a casing of an electric injection device for photovoltaic cells according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the two ends of the cell of the electric injection device for photovoltaic cells according to the embodiment of the present invention.

In the figure: 1. a frame; 2. fixing the rod; 3. a temperature probe; 4. a battery piece; 5. a housing; 6. a fan blade; 7. a conduit; 8. a charging source; 9. buckling; 10. a work table; 11. a control panel; 12. a support base; 13. a motor; 14. a drive shaft; 15. a fixed mount; 16. feeding a pole piece; 17. and (4) a lower pole piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An electrical injection device for photovoltaic cells according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of photovoltaic cell's electricity injection device, including frame 1 and charging source 8, frame 1's below fixedly connected with supports base 12, frame 5 is installed to frame 1 top, the cooperation of casing 5 below is connected with flabellum 6, control panel 11 is installed to frame 1 bottom, control panel 11 top fixedly connected with workstation 10, buckle 9 is installed to workstation 10 top, buckle 9 is inside to have placed battery piece 4 and be a plurality of, battery piece 4 both ends are connected with pipe 7, charging source 8 is installed to pipe 7 one end, dead lever 2 is installed to battery piece 4 one side, 2 superficial inlays to be connected with temperature probe 3 and be a plurality ofly to the dead lever.

Illustratively, install the charging source 8 and be connected with external power supply with the wire through control panel 11 at one side of frame 1, control charging source 8 passes through the electric wire of pipe 7 internally mounted, install dead lever 2 in the one end of battery piece 4, surface mounting has temperature probe 3 at dead lever 2, and temperature probe 3 is a plurality of, can correspond the detection of each battery piece 4, make the detection numerical value more accurate, can show the temperature that detects through the display screen on control panel 11, the thermocouple comprises two different wires (thermodes), their one end is the welding each other, form the measuring terminal (also called the work end) of thermocouple. Inserting it into a medium whose temperature is to be measured; and the other end (reference or free end) of the thermocouple is connected to a display instrument. If there is the difference in temperature in the measuring end of thermocouple and reference end, then the display instrument will point out the thermoelectromotive force that the thermocouple produced, install workstation 10 in the top of frame 1, pipe 7 can shuttle from the inside of workstation 10, and buckle 9 is installed to the top of workstation 10, can fix the position of battery piece 4, prevent that battery piece 4 from falling down, cause the electric leakage danger, also avoid the damage of battery piece 4, when battery piece 4 charges, can produce a large amount of heats, need timely cooling to the surface of battery piece 4, and whole frame 1 is open, can effectively make the air circulate, make the radiating effect better, battery piece 4's life is longer, install the support base in the bottom of frame, can make overall stability better.

Referring to fig. 2, a motor 13 is installed inside the housing 5, fixing frames 15 are installed on two sides of the motor 13, and a power output end of the motor 13 is connected with a power input end of a transmission shaft 14.

Illustratively, the motor 13 can be arranged inside the rack 1, and the fixing frames 15 are arranged at two ends of the motor 13, so that the damage of the motor 13 caused by vibration generated when the motor 13 works can be avoided, and the motor 13 works under the control of the control panel 11 and is connected with the power input end of the transmission shaft 14 through the power output end of the motor 13 to drive the transmission shaft 14 to rotate.

Referring to fig. 3, an upper pole piece 16 is mounted at the upper end of the battery piece 4, and a lower pole piece 17 is fixedly connected below the battery piece 4.

For example, a current is charged and transmitted to the upper pole piece 16 above the battery piece 4, and the redundant electric quantity is transmitted into the charging source 8 through the lower pole piece 17 for cyclic use, so that the damage of the battery piece 4 caused by the excessive internal charging quantity is prevented.

Referring to fig. 1, fan blades 6 are mounted below the transmission shaft 14.

Illustratively, a fan blade 6 is installed below the transmission shaft 14, and the surface of the battery piece 4 is blown to dissipate heat by driving the fan blade 6 to rotate.

Referring to fig. 1, the control panel 11 is electrically connected to an external power source through a wire, an output end of the control panel 11 is electrically connected to an input end of the motor 13, an output end of the control panel 11 is electrically connected to an input end of the temperature probe 3, and an output end of the control panel 11 is electrically connected to an input end of the charging source 8.

Illustratively, the control panel 11 is connected with an external power supply through a lead, so that the internal electric appliance can charge electricity, detect temperature and dissipate heat for the battery cell.

When the device is used, a charging source 8 is arranged on one side of a rack 1 and is connected with an external power supply through a control panel 11 by a lead, the charging source 8 is controlled to carry out charging transmission of a current to an upper pole piece 16 above a battery piece 4 through an electric wire arranged in a guide pipe 7, redundant electric quantity is transmitted into the charging source 8 through a lower pole piece 17 for cyclic use, the damage of the battery piece 4 caused by the overlarge internal charging quantity is prevented, a fixing rod 2 is arranged at one end of the battery piece 4, a temperature probe 3 is arranged on the surface of the fixing rod 2, the temperature probes 3 are multiple and can correspond to the detection of each battery piece 4, the detection value is more accurate, the display screen on the control panel 11 can display the detected temperature, a display instrument indicates the thermoelectromotive force generated by a thermocouple, a workbench 10 is arranged above the rack 1, and the guide pipe 7 can shuttle from the inside of the workbench 10, the buckle 9 is arranged above the workbench 10, the position of the battery piece 4 can be fixed, the battery piece 4 is prevented from falling down, the electric leakage danger is prevented, the damage of the battery piece 4 is also avoided, a large amount of heat is generated when the battery piece 4 is charged, the surface of the battery piece 4 needs to be cooled in time, the motor 13 in the rack 1 can be used, the fixing frame 15 is arranged at the two ends of the motor 13, the damage of the motor 13 caused by the vibration generated when the motor 13 works can be avoided, the motor 13 works under the control of the control panel 11, the power output end of the motor 13 is connected with the power input end of the transmission shaft 14 to drive the transmission shaft 14 to rotate, the fan blades 6 are arranged below the transmission shaft 14, the surface of the battery piece 4 is blown and cooled by driving the rotation of the fan blades 6, and the whole rack 1 is open, so that the air can be effectively circulated, make the radiating effect better, battery piece 4's life is longer, installs the support base in the bottom of frame, can make overall stability better.

The utility model relates to an electric injection device for photovoltaic cells, which comprises a frame 1; 2. fixing the rod; 3. a temperature probe; 4. a battery piece; 5. a housing; 6. a fan blade; 7. a conduit; 8. a charging source; 9. buckling; 10. a work table; 11. a control panel; 12. a support base; 13. a motor; 14. A drive shaft; 15. a fixed mount; 16. feeding a pole piece; 17. the specific model of the lower pole piece and the control panel is AE-E666, the specific model of the motor is Y2, the specific model of the temperature probe is KPS001, the working principle of the temperature probe is that a thermocouple consists of two different wires (thermodes), and one end of the two wires is welded with each other to form a measuring end (also called a working end) of the thermocouple. Inserting it into a medium whose temperature is to be measured; and the other end (reference or free end) of the thermocouple is connected to a display instrument. If there is a temperature difference between the measuring end and the reference end of the thermocouple, the components are all universal standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric injection device of a photovoltaic cell comprises a frame (1) and a charging source (8), it is characterized in that a supporting base (12) is fixedly connected below the machine frame (1), a casing (5) is arranged above the frame (1), fan blades (6) are connected below the casing (5) in a matching way, a control panel (11) is arranged at the bottom of the frame (1), a workbench (10) is fixedly connected above the control panel (11), the buckle (9) is arranged above the workbench (10), the battery pieces (4) are arranged in the buckle (9), the battery pieces (4) are multiple, two ends of the battery piece (4) are connected with a guide pipe (7), one end of the guide pipe (7) is provided with a charging source (8), dead lever (2) are installed to battery piece (4) one side, dead lever (2) surface is inlayed and is connected with temperature probe (3) and temperature probe (3) are a plurality ofly.

2. The electric injection device for photovoltaic cells according to claim 1, wherein a motor (13) is installed inside the housing (5), the motor (13) is installed with fixing frames (15) on both sides, and the power output end of the motor (13) is connected with the power input end of the transmission shaft (14).

3. The device for electrically injecting photovoltaic cells as claimed in claim 1, wherein said cells (4) are provided with an upper pole piece (16) at the upper end thereof, and a lower pole piece (17) is fixedly connected below said cells (4).

4. The device for the electrical injection of photovoltaic cells according to claim 2, characterized in that said drive shaft (14) has blades (6) mounted below it.

5. The device for injecting electricity into photovoltaic cells as claimed in claim 1, wherein said control panel (11) is electrically connected with an external power source through a wire, the output end of said control panel (11) is electrically connected with the input end of said motor (13), the output end of said control panel (11) is electrically connected with the input end of said temperature probe (3), and the output end of said control panel (11) is electrically connected with the input end of said charging source (8).