Photovoltaic module cable fixing device
By designing the cable fixing device of the photovoltaic module, the positive and negative joints are wrapped with fixed and movable protective sleeves, and combined with the drainage groove of the lower shape connecting block and rubber strip, the joint fixing and water splashing problems during photovoltaic module installation are solved, improving safety Performance and service life reduce maintenance costs.
Patent Information
- Application Number
- CN202420718331.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-09
AI Technical Summary
When existing photovoltaic modules are installed outdoors, the positive and negative joints are not fixed, they are easily landed or overhanged, and are easily affected by moisture and short circuits when installed on the water surface, resulting in leakage, short circuits and other accidents, increasing maintenance costs.
A photovoltaic component cable fixing device is designed to wrap the positive and negative joints by setting up a fixed protective sleeve and a movable protective sleeve to prevent water vapor from entering, and use the following shaped connecting blocks and rubber strips to fix the joints to avoid joints from water, roofs, and floors. Contact, improve safety performance, and prevent water accumulation from affecting the operation of the photovoltaic panel through the drainage tank of the rubber strip.
Effectively protect positive and negative joints, prevent loosening and falling off and oxidative corrosion, improve safety performance, reduce maintenance costs, extend service life, and prevent water accumulation from affecting the operation of photovoltaic panels.
Smart Images
Figure CN222283193U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solar photovoltaic components, in particular to a photovoltaic component cable fixing device. Background Art
[0002] Single solar cells cannot be used directly as power sources. To be used as power sources, several single cells must be connected in series or parallel and tightly sealed into photovoltaic modules. Solar photovoltaic modules (also called solar panels) are the core and most important part of solar power generation systems. Their function is to convert solar energy into electrical energy, or send it to batteries for storage, or connect it to the national power grid, in order to supply electrical loads, but existing photovoltaic modules still have some problems;
[0003] When multiple existing photovoltaic modules are installed together, the positive and negative terminals of two adjacent photovoltaic modules need to be connected to form a series circuit. The photovoltaic power station needs to be exposed to the natural environment outdoors for a long time. At present, the positive and negative terminals are not fixed after being connected, and fall on the ground or color steel tiles, or even hang in the air. Especially when photovoltaic panels are installed on the water surface, the positive and negative terminals are easily affected by moisture and short-circuited, causing damage, and even leakage, short-circuit and other accidents, which greatly increases the subsequent maintenance costs. For this reason, we propose a photovoltaic module cable fixing device. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, the utility model provides a photovoltaic module cable fixing device, which wraps the positive and negative connectors with a fixed protective cover and a movable protective cover to prevent water vapor from entering the interfaces of the positive and negative connectors, effectively protecting the positive and negative connectors, and preventing the two positive and negative connectors from loosening and falling off due to pulling. After the fixed protective cover is connected to the lower "J"-shaped connecting block, the positive and negative connectors and wires are raised to prevent the positive and negative connectors and wires from contacting with water, roof, and ground, thereby greatly improving safety performance and reducing maintenance costs.
[0005] To solve the above technical problems, the utility model provides the following technical solutions: a photovoltaic module cable fixing device, comprising a photovoltaic panel, a lower "J"-shaped connecting block is provided on the long side of the photovoltaic panel, a fixed protective sleeve is provided on the bottom end of the lower "J"-shaped connecting block, the top of the fixed protective sleeve is located on the inner side of the lower "J"-shaped connecting block, a slot is provided on the inner wall of the lower "J"-shaped connecting block, a limiting slot is provided on one side surface of the fixed protective sleeve, a first spring is provided on the inner side of the slot, a limiting block is provided on one end of the first spring, one end of the limiting block passes through the slot and is located on the inner side of the limiting slot, positive and negative connectors are passed through the inner side of the fixed protective sleeve, a movable protective sleeve is provided on the front surface of the fixed protective sleeve, a rotating shaft is rotatably connected to the connecting part of the movable protective sleeve and the fixed protective sleeve, and a torsion spring is provided on the surface of the rotating shaft.
[0006] Preferably, an upper J-shaped connecting block is provided at the top of the lower J-shaped connecting block, a bolt is screwed at the connection between the upper J-shaped connecting block and the lower J-shaped connecting block, a rubber strip is provided at the top of the upper J-shaped connecting block, the bottom end of the rubber strip is located inside the upper J-shaped connecting block, an insert block is fixedly connected to the bottom end of the rubber strip, an inner groove is provided on one side surface of the insert block, a groove is provided on the inner wall of the upper J-shaped connecting block, a second spring is provided inside the groove, a protrusion is provided on one side of the second spring, one end of the protrusion passes through the groove and is located inside the inner groove.
[0007] Preferably, a drainage groove is provided in the middle of the rubber strip.
[0008] Preferably, there are two protrusions in total, and the two protrusions are symmetrically distributed on both sides of the insert block.
[0009] Preferably, there are two limit blocks in total, and the two limit blocks are symmetrically distributed on both sides of the fixed protective cover.
[0010] Preferably, a rubber ring is fixedly connected to the surface of the fixed protective sleeve.
[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0012] 1. By setting up a fixed protective cover and a movable protective cover to wrap the positive and negative connectors, water vapor is prevented from entering the interface of the positive and negative connectors, effectively protecting the positive and negative connectors, and preventing the two positive and negative connectors from loosening and falling off due to pulling. After the fixed protective cover is connected to the lower "J" shaped connecting block, the positive and negative connectors and wires are raised to avoid contact between the positive and negative connectors and wires and water, roof, and ground, which greatly improves safety performance and reduces maintenance costs;
[0013] 2. A rubber strip is set to cover the upper "J"-shaped connecting block to prevent water from entering the inner side of the upper "J"-shaped connecting block, effectively protecting the bolts from oxidation and corrosion, preventing the lower "J"-shaped connecting block and the upper "J"-shaped connecting block from loosening, and extending the service life. The rubber strip has a drainage groove that can quickly drain water to prevent water accumulation from affecting the operation of the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of an example structure of the utility model;
[0015] Figure 2 It is a side cross-sectional structural schematic diagram of the fixed protective cover of the utility model;
[0016] Among them: 1. Photovoltaic panel; 2. Lower "J" shaped connecting block; 3. Upper "J" shaped connecting block; 4. Fixed protective cover; 5. Positive and negative connectors; 6. Limit block; 7. First spring; 8. Movable protective cover; 9. Rotating shaft; 10. Torsion spring; 11. Bolt; 12. Insert block; 13. Rubber strip; 14. Bump; 15. Second spring. DETAILED DESCRIPTION
[0017] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.
[0018] Embodiment:
[0019] like Figure 1 and Figure 2 As shown, a photovoltaic assembly cable fixing device comprises a photovoltaic panel 1, a lower "J"-shaped connecting block 2 is arranged on the long side of the photovoltaic panel 1, a fixed protective sleeve 4 is arranged on the bottom end of the lower "J"-shaped connecting block 2, the top end of the fixed protective sleeve 4 is located inside the lower "J"-shaped connecting block 2, a card slot is arranged on the inner wall of the lower "J"-shaped connecting block 2, a limiting groove is arranged on one side surface of the fixed protective sleeve 4, a first spring 7 is arranged on the inside of the card slot, a limiting block 6 is arranged on one end of the first spring 7, one end of the limiting block 6 passes through the card slot and is located inside the limiting groove, a positive and negative connector 5 is penetrated on the inside of the fixed protective sleeve 4, a movable protective sleeve 8 is arranged on the front surface of the fixed protective sleeve 4, a rotating shaft 9 is rotatably connected to the connection between the movable protective sleeve 8 and the fixed protective sleeve 4, and a torsion spring 10 is sleeved on the surface of the rotating shaft 9;
[0020] When multiple existing photovoltaic panels 1 are installed together, it is necessary to connect two adjacent positive and negative connectors 5. The positive and negative connectors 5 are not fixed and fall on the color steel tiles, which is easy to short-circuit and burn the color steel tiles. When the photovoltaic panels 1 are installed on the water surface, the positive and negative connectors 5 are easy to be damp and short-circuited, causing damage, and the maintenance cost is greatly increased. By setting a lower "J"-shaped connecting block 2, the lower "J"-shaped connecting block 2 and the upper "J"-shaped connecting block 3 are clamped to the two photovoltaic panels 1, and after they are fixed, the two positive and negative connectors 5 are docked, and the positive and negative connectors 5 are inserted into the inner side of the fixed protective cover 4, and the movable protective cover 8 is closed. The movable protective cover 8 rotates around the rotating shaft 9. At this time, the torsion spring 10 is contracted by force, and the movable protective cover 8 is tightly fitted with the rubber ring on the surface of the fixed protective cover 4 to wrap the positive and negative connectors 5, and then the top of the fixed protective cover 4 is inserted into the lower "J"-shaped At the “J”-shaped opening at the bottom end of the connecting block 2, the top end of the fixed protective cover 4 pushes the limit block 6 into the inner side of the card slot. At this time, the first spring 7 is forced to shrink until the top end of the fixed protective cover 4 completely enters the inner side of the “J”-shaped opening at the bottom end of the lower “J”-shaped connecting block 2. At this time, the first spring 7 pushes one end of the limit block 6 from the card slot into the inner side of the limit slot of the fixed protective cover 4 to complete the installation; by setting the fixed protective cover 4 and the movable protective cover 8 to wrap the positive and negative connectors 5, water vapor is prevented from entering the interface of the positive and negative connectors 5, the positive and negative connectors 5 are effectively protected, and at the same time, the two positive and negative connectors 5 are prevented from loosening and falling off due to pulling. After the fixed protective cover 4 is connected to the lower “J”-shaped connecting block 2, the positive and negative connectors 5 and the wires are lifted to prevent the positive and negative connectors 5 and the wires from contacting with water, roof and ground, thereby greatly improving safety performance and reducing maintenance costs.
[0021] In other embodiments, the present embodiment discloses, please Figure 1 As shown, an upper "J"-shaped connecting block 3 is arranged at the top of the lower "J"-shaped connecting block 2, a bolt 11 is screwed at the connection between the upper "J"-shaped connecting block 3 and the lower "J"-shaped connecting block 2, a rubber strip 13 is arranged at the top of the upper "J"-shaped connecting block 3, the bottom end of the rubber strip 13 is located inside the upper "J"-shaped connecting block 3, an insert block 12 is fixedly connected to the bottom end of the rubber strip 13, an inner groove is provided on one side of the insert block 12, a groove is provided on the inner wall of the upper "J"-shaped connecting block 3, a second spring 15 is arranged inside the groove, a protrusion 14 is arranged on one side of the second spring 15, one end of the protrusion 14 passes through the groove and is located inside the inner groove; a drainage groove is provided in the middle of the rubber strip 13;
[0022] When installing two photovoltaic panels 1, the lower and upper "J"-shaped connecting blocks 2 and 3 are clamped to hold the two photovoltaic panels 1, and then the bolts 11 are inserted from the inner side of the upper "J"-shaped connecting block 3 and rotated into the inner side of the lower "J"-shaped connecting block 2 to complete the fixation, and then the plug block 12 is inserted into the inner side of the upper "J"-shaped connecting block 3, and the plug block 12 pushes the protrusion 14 into the inner side of the groove. At this time, the second spring 15 is forced to shrink until the plug block 12 is completely inserted into the inner side of the upper "J"-shaped connecting block 3, and the second spring 15 pushes the protrusion 14 from the groove into the plug block. On the inner side of the inner groove of the block 12, the rubber strip 13 completely covers the top of the upper "J"-shaped connecting block 3 and fits tightly with the upper "J"-shaped connecting block 3 to complete the installation; by setting the rubber strip 13 to cover the upper "J"-shaped connecting block 3, water is prevented from entering the inner side of the upper "J"-shaped connecting block 3, and the bolts 11 are effectively protected from oxidation corrosion, and the lower "J"-shaped connecting block 2 and the upper "J"-shaped connecting block 3 are prevented from loosening, thereby extending the service life; and the rubber strip 13 has a drainage groove, which can quickly drain water and prevent water accumulation from affecting the operation of the photovoltaic panel 1.
[0023] In other embodiments, the present embodiment discloses, please Figure 1 As shown, there are two protrusions 14, which are symmetrically distributed on both sides of the insert block 12. By setting the number of protrusions 14 to two, which are symmetrically distributed on both sides of the insert block 12, the symmetrical design improves stability.
[0024] In other embodiments, the present embodiment discloses, please Figure 1 As shown, there are two limit blocks 6, which are symmetrically distributed on both sides of the fixed protective cover 4; by setting the number of limit blocks 6 to two, the two limit blocks 6 are symmetrically distributed on both sides of the fixed protective cover 4, the symmetrical design improves stability.
[0025] In other embodiments, the present embodiment discloses, please Figure 2 As shown, a rubber ring is fixedly connected to the surface of the fixed protective cover 4; by providing a rubber ring fixedly connected to the surface of the fixed protective cover 4, the movable protective cover 8 squeezes the rubber ring to improve the sealing performance and prevent water vapor from entering.
[0026] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A photovoltaic module cable fixing device, comprising a photovoltaic panel (1), characterized in that: The photovoltaic panel (1) is provided with a lower "J"-shaped connecting block (2) on its long side, a fixed protective sleeve (4) is provided at the bottom end of the lower "J"-shaped connecting block (2), the top end of the fixed protective sleeve (4) is located inside the lower "J"-shaped connecting block (2), a slot is provided on the inner wall of the lower "J"-shaped connecting block (2), a limiting slot is provided on one side surface of the fixed protective sleeve (4), a first spring (7) is provided inside the slot, a limiting block (6) is provided at one end of the first spring (7), one end of the limiting block (6) passes through the slot and is located inside the limiting slot, a positive and negative connector (5) is passed through the inner side of the fixed protective sleeve (4), a movable protective sleeve (8) is provided on the front surface of the fixed protective sleeve (4), a rotating shaft (9) is rotatably connected to the movable protective sleeve (8) and the fixed protective sleeve (4), and a torsion spring (10) is sleeved on the surface of the rotating shaft (9).
2. A photovoltaic module cable fixing device according to claim 1, characterized in that: An upper "J"-shaped connecting block (3) is arranged at the top of the lower "J"-shaped connecting block (2); a bolt (11) is screwed at the connection between the upper "J"-shaped connecting block (3) and the lower "J"-shaped connecting block (2); a rubber strip (13) is arranged at the top of the upper "J"-shaped connecting block (3); the bottom end of the rubber strip (13) is located inside the upper "J"-shaped connecting block (3); an insert block (12) is fixedly connected to the bottom end of the rubber strip (13); an inner groove is provided on one side surface of the insert block (12); a groove is provided on the inner wall of the upper "J"-shaped connecting block (3); a second spring (15) is arranged inside the groove; a convex block (14) is arranged on one side of the second spring (15); one end of the convex block (14) passes through the groove and is located inside the inner groove.
3. A photovoltaic module cable fixing device according to claim 2, characterized in that: A drainage groove is provided in the middle of the rubber strip (13).
4. A photovoltaic module cable fixing device according to claim 2, characterized in that: There are two protrusions (14) in total, and the two protrusions (14) are symmetrically distributed on both sides of the insert block (12).
5. A photovoltaic module cable fixing device according to claim 1, characterized in that: There are two limit blocks (6) in total, and the two limit blocks (6) are symmetrically distributed on both sides of the fixed protective cover (4).
6. A photovoltaic module cable fixing device according to claim 5, characterized in that: A rubber ring is fixedly connected to the surface of the fixed protective sleeve (4).