Photovoltaic diode facilitating series connection

The design of the pressure plate and limiting components simplifies the series installation process of photovoltaic diodes, solves the problem of cumbersome operation in the existing technology, and achieves convenient circuit connection and stability.

CN224401991UActive Publication Date: 2026-06-23YANGZHOU MAOJIA ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU MAOJIA ELECTRONICS CO LTD
Filing Date
2025-06-04
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing photovoltaic diodes require welding or bolting with tools for series installation, which is cumbersome and inconvenient for disassembly and maintenance.

Method used

The external coil can be quickly connected by using a pressure plate and a limiting component. The circuit can be easily connected by the vertical rod and the limiting component, simplifying the installation process and maintaining a stable connection.

Benefits of technology

It enables quick and stable circuit connections without the need for other tools, improving work efficiency and facilitating subsequent disassembly and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic diode in photovoltaic diode technical field convenient to series connection, including diode module, both sides of diode module top are all fixedly installed and are connected with diode module internal electronic equipment for circuit conduction, the top fixed mounting of wire terminal is installed wire column, wire terminal and wire column all with diode module internal electronic equipment connection for circuit conduction. The utility model discloses a vertical rod, pressing plate and limiting component are set up, when the staff series connection diode module, can be connected with the wire loop of outside on the wire column, then press down the pressing plate, make the pressing plate along the outer surface of vertical rod downward movement, thereby can be pressed tightly on the wire loop of outside on the wire terminal, realize the conduction of circuit, and through the cooperation of limiting component, can limit the pressing plate, thereby stably keep the down -pressing effect to the wire loop of outside, need not help other tool to connect, convenient and fast, improved the work efficiency of staff, and it is convenient for subsequent dismouting overhauling.
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Description

Technical Field

[0001] This utility model relates to the field of photovoltaic diode technology, and in particular to a photovoltaic diode that is easy to connect in series. Background Technology

[0002] Photovoltaic diodes are key protection devices in photovoltaic systems, primarily serving as reverse-charging protection diodes. Connecting a photovoltaic diode in series in a photovoltaic circuit prevents current from flowing in the opposite direction. When the photovoltaic module is not generating electricity at night, it prevents battery current from flowing back into the photovoltaic module, causing energy loss or module damage, and also prevents a drop in overall output voltage due to backflow.

[0003] However, existing technologies have some problems: when existing photovoltaic diodes are installed in series, the connection coil in the photovoltaic circuit needs to be connected to the terminal of the photovoltaic diode. The connection method is usually to fix the connection coil to the photovoltaic diode by welding or using bolts. Whether welding or bolting, other tools are required, and the operation is cumbersome, which reduces work efficiency and is not convenient for subsequent disassembly and maintenance. Therefore, we propose a photovoltaic diode that is easy to connect in series. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a photovoltaic diode that is easy to connect in series. By using a pressure plate and a limiting component, an external coil can be quickly connected, thereby simplifying the photovoltaic diode series connection process and making it easier for workers to install and connect.

[0005] The purpose of this utility model is achieved as follows: a photovoltaic diode that is easy to connect in series includes a diode module. A terminal block is fixedly installed on both sides of the top of the diode module. A terminal post is fixedly installed on the top of the terminal block. Both the terminal block and the terminal post are connected to the internal electronic equipment of the diode module for circuit conduction. Two vertical rods are fixedly installed on the top of the diode module. An anti-detachment plate is fixedly installed between the tops of the two vertical rods. A pressure plate is movably sleeved between the outer surfaces of the two vertical rods. Through holes are opened on both sides of the top of the pressure plate. The pressure plate and the diode module are also connected by a limiting component, which enables the pressure plate to keep the external coil pressed against the terminal block.

[0006] Optionally, the limiting component includes a folding plate, which is fixedly mounted on a pressure plate. A slot is provided on the diode module, and a toothed plate is fixedly mounted inside the slot. A pin is movably inserted into the folding plate. A pull handle is fixedly mounted at one end of the pin, and a locking block is fixedly mounted at the other end of the pin. The locking block is movably engaged with the toothed plate.

[0007] Optionally, a spring is movably sleeved on the outer surface of the pin, and the two ends of the spring are respectively fixedly connected to the folding plate and the pull handle.

[0008] Optionally, springs are fixedly installed on both sides of the bottom of the pressure plate, and the springs are arranged on both sides of the through hole.

[0009] Optionally, a protrusion is fixedly installed on the top of the terminal block, and the outer surface of the protrusion is inclined.

[0010] Optionally, the vertical rod has a cylindrical shape and its outer surface is coated with a lubricating layer.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This invention, by setting up a vertical rod, a pressure plate, and a limiting component, allows the external coil to be sleeved on the terminal block when the operator connects the diode module in series. Then, the pressure plate is pressed down, causing it to move downwards along the outer surface of the vertical rod, thereby pressing the external coil onto the terminal block and achieving circuit conduction. Furthermore, the limiting component helps to limit the pressure plate, thus maintaining a stable downward pressure on the external coil. No other tools are needed for connection, making it convenient and quick, improving the operator's work efficiency, and facilitating subsequent disassembly and maintenance. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0014] Figure 1 This is a structural schematic diagram provided by this utility model.

[0015] Figure 2 This is a schematic diagram of the top structure provided by this utility model.

[0016] Figure 3 This is a side view of the structure provided by this utility model.

[0017] Figure 4 This is a side sectional view of the structure provided by this utility model.

[0018] Figure 5 yes Figure 4 A magnified schematic diagram of the structure at point A in the middle.

[0019] In the diagram: 1. Diode module; 2. Terminal block; 3. Terminal post; 4. Vertical rod; 5. Anti-detachment plate; 6. Pressure plate; 7. Through hole; 8. Folding plate; 9. Slot; 10. Toothed plate; 11. Pin; 12. Pull handle; 13. Locking block; 14. Spring; 15. Spring leaf; 16. Protrusion. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 5 As shown in the figure, this utility model provides a photovoltaic diode that is easy to connect in series, including a diode module 1. Both sides of the top of the diode module 1 are fixedly installed with a terminal block 2. The top of the terminal block 2 is fixedly installed with a terminal post 3. The terminal block 2 and the terminal post 3 are both connected to the internal electronic equipment of the diode module 1 for circuit conduction. Two vertical rods 4 are fixedly installed on the top of the diode module 1. An anti-detachment plate 5 is fixedly installed between the tops of the two vertical rods 4. A pressure plate 6 is movably sleeved between the outer surfaces of the two vertical rods 4. Through holes 7 are opened on both sides of the top of the pressure plate 6. The pressure plate 6 is also connected to the diode module 1 through a limiting component. The limiting component can keep the pressure plate 6 pressing the external coil onto the terminal block 2.

[0022] The pressure plate 6 is made of insulating material. When the operator connects the diode module 1 in series to the circuit, the external circuit coil can be sleeved on the outer surface of the terminal 3, and then the pressure plate 6 is pressed down. With the cooperation of the limiting component, the pressure plate 6 maintains the pressing effect on the coil, so that the coil remains in contact with the terminal block 2, thereby maintaining the circuit conduction, which is convenient and quick.

[0023] Furthermore, the limiting component includes a folding plate 8, which is fixedly mounted on the pressure plate 6. The diode module 1 has a slot 9, and a toothed plate 10 is fixedly mounted inside the slot 9. A pin 11 is movably inserted into the folding plate 8. A pull handle 12 is fixedly mounted on one end of the pin 11, and a locking block 13 is fixedly mounted on the other end of the pin 11. The locking block 13 is movably locked onto the toothed plate 10.

[0024] When the operator presses the pressure plate 6, the folding plate 8 can drive the pin 11 to move downward. When the pressure plate 6 presses the external coil onto the terminal block 2, the operator can engage the locking block 13 onto the toothed plate 10, thereby limiting the folding plate 8 and the pressure plate 6, so that the pressure plate 6 maintains the downward pressure effect on the external coil, thereby maintaining the continuity of the circuit.

[0025] Furthermore, a spring 14 is movably sleeved on the outer surface of the pin 11, and the two ends of the spring 14 are fixedly connected to the folding plate 8 and the handle 12, respectively.

[0026] By setting the spring 14 to a stretched state, the spring 14's restoring force will cause the pin 11 and the locking block 13 to tend to move towards the toothed plate 10, thereby enabling the locking block 13 to maintain its locking effect with the toothed plate 10, thus stabilizing the limiting effect on the pressure plate 6 and improving the stability after the series connection.

[0027] Furthermore, springs 15 are fixedly installed on both sides of the bottom of the pressure plate 6, and the springs 15 are located on both sides of the through hole 7.

[0028] The pressure plate 6 can press the external coil onto the terminal block 2 through the spring 15 and squeeze the spring 15. Due to the elasticity of the spring 15, the contact tightness between the external coil and the terminal block 2 will be improved, thereby further improving the stability after series wiring.

[0029] Furthermore, a protrusion 16 is fixedly installed on the top of the terminal block 3, and the outer surface of the protrusion 16 is inclined.

[0030] The inclined design of the outer surface of the protrusion 16 makes it easier for staff to attach and guide the external coil onto the outer surface of the terminal block 3, thereby improving the convenience of series wiring.

[0031] Furthermore, the vertical rod 4 has a cylindrical shape, and its outer surface is coated with a lubricating layer.

[0032] By coating the surface of the vertical rod 4 with a lubricating layer, the pressure plate 6 can slide more smoothly along the surface of the vertical rod 4.

[0033] Working principle and usage process of this utility model:

[0034] First, the operator attaches the external coil to the terminal block 3, then presses down the pressure plate 6, causing it to move downwards along the outer surface of the vertical rod 4. This allows the spring 15 to press the external coil firmly onto the terminal block 2. Simultaneously, the folding plate 8 drives the pin 11 downwards. Once the pressure plate 6 has moved to its lower position, the spring 14's restoring force causes the locking block 13 to engage with the surface of the corresponding toothed plate 10, thus maintaining the limiting effect on the folding plate 8 and the pressure plate 6. This ensures stable downward pressure on the external coil without the need for other tools, making the connection convenient and quick.

[0035] The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A photovoltaic diode facilitating series connection comprising a diode module (1), characterized in that: The both sides of the top of the diode module (1) are fixedly installed with terminal blocks (2), the top of the terminal block (2) is fixedly installed with terminal posts (3), the terminal block (2) and the terminal post (3) are connected with the internal electronic equipment of the diode module (1), are used for circuit conduction, the top of the diode module (1) is fixedly installed with two vertical rods (4), the top between the two vertical rods (4) is fixedly installed with an anti-off plate (5), the outer surface between the two vertical rods (4) is movably sleeved with a pressing plate (6), the both sides of the top of the pressing plate (6) are provided with through holes (7), the pressing plate (6) and the diode module (1) are further connected through a limiting assembly, the limiting assembly can make the pressing plate (6) keep the external terminal loop pressed on the terminal block (2).

2. A photovoltaic diode for easy series connection according to claim 1, characterized in that: The limiting assembly comprises a folding plate (8), the folding plate (8) is fixedly installed on the pressing plate (6), the diode module (1) is provided with a notch (9), the inside of the notch (9) is fixedly installed with a toothed plate (10), the folding plate (8) is movably inserted with a bolt (11), one end of the bolt (11) is fixedly installed with a pull handle (12), the other end of the bolt (11) is fixedly installed with a clamping block (13), the clamping block (13) is movably clamped on the toothed plate (10).

3. A photovoltaic diode for easy series connection according to claim 2, characterized in that: The outer surface of the bolt (11) is movably sleeved with a spring (14), the both ends of the spring (14) are fixedly connected on the folding plate (8) and the pull handle (12) respectively.

4. The photovoltaic diode of claim 1, wherein: The both sides of the bottom of the pressing plate (6) are fixedly installed with spring leaves (15), the spring leaves (15) are arranged on the both sides of the through hole (7).

5. The photovoltaic diode of claim 1, wherein: the first and second electrodes are configured to be connected in series with one another; and the first and second electrodes are configured to be connected in parallel with one another. The top of the terminal post (3) is fixedly installed with a protruding block (16), the outer surface of the protruding block (16) is inclined.

6. The photovoltaic diode of claim 1, wherein: The vertical rod (4) is cylindrical, the outer surface of the vertical rod (4) is coated with a lubricating layer. The top of the terminal post (3) is fixedly installed with a protruding block (16), the outer surface of the protruding block (16) is inclined.