Anti-skid device for current collection circuit under photovoltaic steep terrain condition of high-altitude mountain land
By setting up a cold-resistant soft anti-slip rubber ring on the outside of the collecting line under the steep terrain of high-altitude mountain photovoltaics, and using a U-shaped fixing ring to fix the trough bridge. Combined with the design of the flexible pad, the equipment damage caused by sliding of the collecting line is solved, and the stable connection between the collecting line and the trough bridge is achieved, avoiding equipment damage.
Patent Information
- Application Number
- CN202421569334.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-04
AI Technical Summary
Under high-altitude mountain photovoltaic terrain conditions, the collector line easily slides in the trough bridge, causing the low-voltage collector line to slide to a low place, resulting in large tensile stress, resulting in inverter and box tripping and equipment damage.
An anti-slip device for collecting circuits is designed, including a cold-resistant soft anti-slip rubber ring on the outside of the collecting circuit, and a fixed connection with the groove bridge is made through a U-shaped fixing ring. Combined with the design of the flexible pad, it ensures a stable connection between the collecting circuits and the groove bridge.
It effectively avoids the sliding of the collector line in the trough bridge, reduces the tensile stress at the inverter and box transformer joints, and prevents discharge and equipment damage.
Smart Images
Figure CN222884305U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable protection, in particular to an anti-slip device for a collector line under steep terrain conditions of high-altitude mountain photovoltaics. Background Art
[0002] The water-photovoltaic complementary project needs to pass through the steep terrain of high-altitude mountain photovoltaic areas. Affected by the terrain, the local slope of the path through which the collection line passes reaches 25° to 30°.
[0003] Under the steep terrain conditions of high-altitude mountain photovoltaics, since the trough-type bridge is a steel product with a smooth inner wall, it is easy for the low-voltage collector line to slide downward, thereby generating large tensile stress at the AC side joints of the inverter and the high and low voltage side joints of the box transformer. After a long time, discharge is easy to occur at the joints, causing the inverter and box transformer to trip and equipment damage. For this reason, the utility model provides an anti-skid device for the collector line under the steep terrain conditions of high-altitude mountain photovoltaics. Utility Model Content
[0004] In order to solve the problem that under the steep terrain conditions of high-altitude mountain photovoltaics, the collector line is easy to slide in the trough-type bridge, which is easy to cause the low-voltage collector line to slide downward, and then generate large tensile stress at the AC side joints of the inverter and the high and low voltage side joints of the box transformer, and discharge is easy to occur at the joints after a long time, causing the inverter and box transformer to trip and equipment damage, the utility model provides an anti-skid device for the collector line under the steep terrain conditions of high-altitude mountain photovoltaics.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] An anti-skid device for a collector line under steep terrain conditions of high-altitude mountain photovoltaics, comprising a trough-type bridge and a collector line, wherein a cold-resistant soft anti-skid rubber ring is sleeved or rolled on the outer side of the collector line, and a U-shaped fixing ring is arranged on the outer side of the cold-resistant soft anti-skid rubber ring, and two mounting feet of the U-shaped fixing ring are fixedly connected to the trough-type bridge through a bolt group;
[0007] The U-shaped fixing ring includes: a first U-shaped portion, a second U-shaped portion, and a third U-shaped portion arranged along the length direction of the collector line, wherein the first U-shaped portion, the second U-shaped portion, and the third U-shaped portion are fixed together by a connecting frame;
[0008] A flexible pad is arranged at the bottom of the collector circuit, and the flexible pad comprises: a main body, a top of the main body is arranged with an arc-shaped recess, two protrusions are laterally fixed on the inner side of the arc-shaped recess, and the two protrusions are respectively located between the first U-shaped portion and the second U-shaped portion, and between the second U-shaped portion and the third U-shaped portion.
[0009] As a further description of the above technical solution:
[0010] An upper convex portion is arranged at the inner bottom of the trough-type bridge frame, a lower concave portion is arranged in the middle of the upper convex portion, and a lower convex portion corresponding to the lower concave portion is arranged at the bottom of the main body.
[0011] As a further description of the above technical solution:
[0012] The top end of the trough type bridge is provided with a bayonet portion.
[0013] As a further description of the above technical solution:
[0014] The bolt group includes: bolts, a lower fixing plate, and nuts. The lower fixing plate is located below the trough-type bridge frame. The bottom end of the bolt passes through the corner of the U-shaped fixing ring, the inner bottom of the trough-type bridge frame, and the through hole on the lower fixing plate in sequence and then is threadedly connected to the nut.
[0015] As a further description of the above technical solution:
[0016] The bolts are M8 high-strength bolts, and the nuts are M8 anti-loosening nuts.
[0017] As a further description of the above technical solution:
[0018] The lower fixing plates are provided with two, and the bolts and nuts are provided with six each.
[0019] Beneficial effects of the utility model:
[0020] The utility model fixes the collector line and the trough type bridge frame by means of a U-shaped fixing ring, and designs a cold-resistant soft anti-skid rubber ring and a flexible pad for anti-skid, thereby ensuring the stability of the connection between the collector line and the trough type bridge frame, and avoiding damage to the outer layer of the collector line during the extrusion process; and the U-shaped fixing ring is designed to include a first U-shaped part, a second U-shaped part, and a third U-shaped part as a part of a force-bearing structure, and the first U-shaped part, the second U-shaped part, and the third U-shaped part are fixed together by a connecting frame. The design of this structure can further increase the stability of the connection between the collector line and the trough type bridge frame, and avoid the collector line from sliding inside the trough type bridge frame. The collector line generates large tensile stress at the joints on the AC side of the inverter and at the joints on the high and low voltage sides of the box transformer. After a long time, discharge is likely to occur at the joints, resulting in problems such as the inverter and the box transformer tripping and equipment damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate a collector line anti-slip device under steep terrain conditions of high-altitude mountain photovoltaics, the following drawings are shown;
[0022] Figure 1 It is a cross-sectional schematic diagram of the utility model;
[0023] Figure 2It is a cross-sectional schematic diagram of the trough type bridge of the utility model;
[0024] Figure 3 It is a top view of the U-shaped fixing ring of the utility model;
[0025] Figure 4 It is a top view of the lower fixing plate of the utility model;
[0026] Figure 5 It is a top view of the flexible pad of the utility model.
[0027] The reference numerals in the accompanying drawings:
[0028] 1. Trough type bridge; 101. concave portion; 102. convex portion; 103. bayonet portion; 2. collector line; 3. cold-resistant soft non-slip rubber ring; 4. U-shaped fixing ring; 401. first U-shaped portion; 402. second U-shaped portion; 403. third U-shaped portion; 404. connecting frame; 5. bolt; 6. lower fixing plate; 7. nut; 8. flexible pad; 801. main body; 802. arc-shaped concave portion; 803. convex portion. DETAILED DESCRIPTION
[0029] Please refer to the attached Figure 1-Figure 5 , shows an anti-skid device for a collector line under steep terrain conditions in high-altitude mountain photovoltaic areas, including a trough-type bridge frame 1, a collector line 2 (cable), a cold-resistant soft anti-skid rubber ring 3, a U-shaped fixing ring 4, a flexible pad 8 and a bolt group.
[0030] Among them, the outer side of the collector line 2 is sleeved or rolled with a cold-resistant soft anti-skid rubber ring 3, the cold-resistant soft anti-skid rubber ring 3 is made of cold-resistant rubber, the cold-resistant soft anti-skid rubber ring 3 can be annular, and is installed on the outer side of the collector line 2 by a sleeved manner, or it can be sheet-shaped (strip-shaped), and is installed on the outer side of the collector line 2 by a winding manner (winding into a ring), and a U-shaped fixing ring 4 is arranged on the outer side of the cold-resistant soft anti-skid rubber ring 3, and the two mounting feet of the U-shaped fixing ring 4 are fixedly connected to the trough type bridge frame 1 by a bolt group, and the U-shaped fixing ring 4 squeezes the cold-resistant soft anti-skid rubber ring 3, so that the collector line 2 (cable) is fixed on the inner side of the trough type bridge frame 1, and the cold-resistant soft anti-skid rubber ring 3 plays a protective and anti-skid role.
[0031] The U-shaped fixing ring 4 includes: a first U-shaped portion 401, a second U-shaped portion 402, and a third U-shaped portion 403 arranged along the length direction of the collector line 2, the distance between the first U-shaped portion 401 and the second U-shaped portion 402 is equal to the distance between the second U-shaped portion 402 and the third U-shaped portion 403, and the first U-shaped portion 401, the second U-shaped portion 402, and the third U-shaped portion 403 are fixed together by a connecting frame 404.
[0032] The first U-shaped portion 401 , the second U-shaped portion 402 , and the third U-shaped portion 403 can independently cooperate with the trough type bridge frame 1 to clamp and fix the collector line 2 (cable), and the first U-shaped portion 401 , the second U-shaped portion 402 , and the third U-shaped portion 403 form a whole.
[0033] A flexible pad 8 is provided at the bottom of the collector line 2, and the flexible pad 8 includes: a main body 801, a curved recess 802 is provided on the top of the main body 801, the curved recess 802 corresponds to the outer side of the collector line 2 (cable), and two protrusions 803 are laterally fixed on the inner side of the curved recess 802, and the two protrusions 803 are respectively located between the first U-shaped portion 401 and the second U-shaped portion 402, and between the second U-shaped portion 402 and the third U-shaped portion 403.
[0034] Due to the squeezing of the first U-shaped portion 401 , the second U-shaped portion 402 , and the third U-shaped portion 403 and the outward pushing of the two protruding portions 803 , the collector line 2 (cable) is fixed more reliably.
[0035] In one embodiment, an upper protrusion 102 is provided at the inner bottom of the trough type bridge frame 1, a lower recess 101 is provided in the middle of the upper protrusion 102, and a lower protrusion corresponding to the lower recess 101 is provided at the bottom of the main body 801, so that the main body 801 will not swing left and right relative to the trough type bridge frame 1, and the design of the upper protrusion 102 forms a notch at the bottom of the trough type bridge frame 1, which corresponds exactly to the lower fixed plate 6.
[0036] In one embodiment, a bayonet portion 103 is provided at the top of the trough type bridge frame 1 for installing an upper cover on the top of the trough type bridge frame 1 .
[0037] In one embodiment, the bolt group includes: bolts 5, a lower fixing plate 6, and nuts 7. The lower fixing plate 6 is located below the trough type bridge frame 1. The bottom end of the bolt 5 passes through the corner of the U-shaped fixing ring 4, the inner bottom of the trough type bridge frame 1, and the through hole on the lower fixing plate 6 in sequence, and then is threadedly connected to the nut 7.
[0038] There are two lower fixing plates 6 , each of which has three through holes, and six bolts 5 and six nuts 7 are provided.
[0039] In one embodiment, the bolt 5 is an M8 high-strength bolt, and the nut 7 is an M8 anti-loosening nut, so that the connection between the nut 7 and the bolt 5 is stable and reliable.
[0040] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the disclosure of the present invention. This application is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.
[0041] It should be understood that relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The utility model is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims
1. A device for preventing the skidding of a collector line under steep terrain conditions in a high-altitude mountain photovoltaic system, comprising a trough bridge (1) and a collector line (2), characterized in that: A cold-resistant soft anti-skid rubber ring (3) is sleeved or rolled on the outer side of the collector line (2), a U-shaped fixing ring (4) is arranged on the outer side of the cold-resistant soft anti-skid rubber ring (3), and two mounting feet of the U-shaped fixing ring (4) are fixedly connected to the trough bridge (1) through a bolt group; The U-shaped fixing ring (4) comprises: a first U-shaped portion (401), a second U-shaped portion (402), and a third U-shaped portion (403) arranged along the length direction of the collector line (2); the first U-shaped portion (401), the second U-shaped portion (402), and the third U-shaped portion (403) are fixed together by a connecting frame (404); A flexible pad (8) is provided at the bottom of the current collecting circuit (2), and the flexible pad (8) comprises: a main body (801), a top of the main body (801) is provided with an arc-shaped recess (802), two protruding portions (803) are transversely fixed inside the arc-shaped recess (802), and the two protruding portions (803) are respectively located between the first U-shaped portion (401) and the second U-shaped portion (402), and between the second U-shaped portion (402) and the third U-shaped portion (403).
2. According to claim 1, a collector line anti-slip device for photovoltaic power generation in steep terrain conditions at high altitude mountains, characterized in that: The inner bottom of the trough-type bridge (1) is provided with an upper convex portion (102), the middle of the upper convex portion (102) is provided with a lower concave portion (101), and the bottom of the main body (801) is provided with a lower convex portion corresponding to the lower concave portion (101).
3. According to claim 2, a device for preventing the current collector line from sliding under steep terrain conditions in high-altitude mountain photovoltaic areas, characterized in that: The top end of the trough-type bridge (1) is provided with a bayonet portion (103).
4. According to the anti-slip device for collector lines in high-altitude mountain photovoltaic steep terrain conditions as described in claim 1, it is characterized in that: The bolt group comprises: a bolt (5), a lower fixing plate (6), and a nut (7); the lower fixing plate (6) is located below the trough-type bridge (1); the bottom end of the bolt (5) passes through the corner of the U-shaped fixing ring (4), the inner bottom of the trough-type bridge (1), and the through hole on the lower fixing plate (6) in sequence, and then is threadedly connected to the nut (7).
5. According to claim 4, a device for preventing the current collector line from sliding under steep terrain conditions in high-altitude mountain photovoltaic areas, characterized in that: The bolts (5) are M8 high-strength bolts, and the nuts (7) are M8 anti-loosening nuts.
6. According to claim 4, a device for preventing the current collector line from sliding under steep terrain conditions in high-altitude mountain photovoltaic areas, characterized in that: The lower fixing plates (6) are provided with two, and the bolts (5) and nuts (7) are provided with six.