Protection and cooling management device for photovoltaic cable

Abstract

The utility model provides a protection and cooling management device for a photovoltaic cable, which relates to the technical field of photovoltaic cables and comprises a clamping seat, the clamping seat is formed by jointing two clamping plates with angular bulges in the middle, a connecting pipe joint is hinged at the joint of the two clamping plates, and clamping grooves for placing the cable are formed at the upper end and the lower end of the clamping seat; heat conducting pieces are embedded in the protruding ends of the two sides of a clamping plate of the clamping base, inner ring pipes are attached to the inner sides of the heat conducting pieces, and the inner ring pipes are connected with the connecting pipe joints; an external pipe is inserted into one side of the clamping seat, and a bidirectional pipe head is arranged in the external pipe in a penetrating manner; on the basis of an existing clamping plate structure, a cooling pipeline is arranged in the clamping plate structure and matched with an external heat conduction sheet and a clamping seat to clamp a cable, so that the cooling management requirement of a local cable is met through circulation of a cooling liquid body in the structure during actual operation, and the local cable is conveniently managed in cooperation with the clamping seat laid at multiple points; and the practicability of the device is expanded while the photovoltaic cable is protected.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic cable technology, and more specifically, to a protection and cooling management device for photovoltaic cables. Background Technology

[0002] In photovoltaic installations, the balance system includes all equipment other than the photovoltaic panels, such as racks, cables, cable management, inverters and other system equipment, as well as manpower and software;

[0003] Cable management is a crucial aspect of grid-level photovoltaic balancing systems, significantly impacting safety, cost, and efficiency. In optimizing cable management, cable clamps provide short-circuit protection for power cables. Without proper protection, the large current during a short circuit can cause conductors to heat up, potentially leading to fires or explosions. Short-circuit currents also exert enormous electromechanical stress on distribution cables. Traditional photovoltaic cable management typically employs cable clamps mounted on pipe racks as protective structures, while utilizing the pipe rack's air ducts for auxiliary cooling. However, targeted cooling is difficult to achieve in practice, making the management of local cable cooling effects challenging.

[0004] Based on this experience, this utility model provides an effective solution to the problem of high difficulty in targeted local heat dissipation in existing photovoltaic cable protection structures. Utility Model Content

[0005] The technical problem this invention aims to solve is that existing photovoltaic cables rely on the air ducts of the pipe rack for auxiliary cooling, which makes it difficult to achieve targeted cooling and makes it difficult to manage the cooling effect of local cables. In response to the problems of the existing technology, this invention provides a protection and cooling management device for photovoltaic cables.

[0006] The purpose and effect of this utility model are achieved by the following specific technical means: including a clamping seat, which is composed of two clamping plates with a central angular protrusion joined together, and a connecting pipe section is hinged at the joint of the two clamping plates. The upper and lower ends of the clamping seat are both formed with clamping grooves for placing cables.

[0007] The two protruding ends of the clamping plate of the clamping seat are each embedded with a heat-conducting plate, and an inner ring tube is attached to the inner side of each heat-conducting plate, and the inner ring tube is connected to the connecting pipe section.

[0008] An external pipe is inserted into one side of the clamp, and a bidirectional pipe head is provided through the external pipe. Two valve ports extend from the bidirectional pipe head to the inner end of the external pipe. The valve ports are respectively connected to the upper and lower inner ring pipes on the adjacent side.

[0009] A protective sleeve is snapped into the clamping groove of the clamping seat, and the protective sleeve is a nylon sheet. A bolt hole for secondary fixing is opened between the protective sleeve and the clamping seat, and a toothed clamping mouth is formed on the inner arc surface of the protective sleeve.

[0010] Further, the clamping seat is embedded with a filling block on one side of the outer connecting pipe, and the filling block is made of heat insulation material.

[0011] Further, the surface of the heat conducting sheet is formed with a plurality of strip-shaped grooves, and heat conducting glue is adhered between the inner end of the heat conducting sheet and the inner ring pipe.

[0012] Further, a heat insulation filling layer is arranged between the two-way pipe heads.

[0013] Further, the clamping seat is hingedly arranged with a hinge seat on one side of the outer connecting pipe, and a plate frame is fixed outside the hinge seat.

[0014] Further, a flow meter is arranged through the two-way pipe head and the connecting end of the valve port pipe, and a sensing head is arranged outside the connecting end of the valve port pipe and the inner ring pipe.

[0015] The present utility model has the advantages of:

[0016] The photovoltaic cable protection and cooling management device uses the structure inside cooling liquid circulation to achieve the cooling management requirement of the local cable in actual operation, cooperates with the clamping seat of multi-point laying to facilitate the management of the local cable, realizes the protection of the photovoltaic cable, and expands the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present utility model will be further described in connection with the accompanying drawings.

[0018] Fig. 1 It is the whole structure schematic diagram of the present utility model;

[0019] Fig. 2 It is the internal plane schematic diagram of the present utility model;

[0020] Fig. 3 It is the outer connecting pipe side view plane structure schematic diagram of the present utility model.

[0021] Figs. 1-3 Clamping seat 1, plate frame 2, hinge seat 3, protective sleeve 4, outer connecting pipe 5, heat conducting sheet 6, filling block 7, connecting pipe joint 8, inner ring pipe 9, two-way pipe head 10, valve port pipe 11, sensing head 12, flow meter 13, heat insulation filling layer 14. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the present utility model more clearly understood, the following will combine the accompanying drawings to further describe the present utility model. Figs. 1-3The utility model discloses further detailed description of the specific implementation. The following examples are only examples of implementing the utility model. It must be pointed out that the disclosed examples do not limit the scope of the utility model. On the contrary, the changes and improvements made without departing from the scope of the utility model are within the scope of the utility model.

[0023] A kind of photovoltaic cable protection and cooling management device, including clamp seat 1, clamp seat 1 is formed by two middle angle type protruding clamping plate joint, and the hinge connection pipe section 8 is provided at the joint of two clamping plates, the upper and lower ends of clamp seat 1 are formed with the clamping groove for cable placement;

[0024] The protruding end of the clamping plate of clamp seat 1 is embedded with heat conduction sheet 6 on both sides, the inner side of heat conduction sheet 6 is attached with inner ring pipe 9, and inner ring pipe 9 is connected with connection pipe section 8;

[0025] The outer connection pipe 5 is inserted into one side of clamp seat 1, the bidirectional pipe head 10 is arranged in the outer connection pipe 5, and the valve port pipe 11 extends to the inner end of the outer connection pipe 5, and the valve port pipe 11 is connected with the upper and lower inner ring pipes 9 on the adjacent side respectively;

[0026] The protection sleeve 4 is clamped in the clamping groove of clamp seat 1, and the protection sleeve 4 is nylon sheet, the bolt hole is opened between the protection sleeve 4 and clamp seat 1 for secondary fixing, and the inner arc surface of the protection sleeve 4 is formed with the toothed clamping opening;

[0027] In the photovoltaic cable protection and cooling management device, the clamping plate of clamp seat 1 is combined as a structure, the open end of the structure is formed for cable to pass through and clamping fixation, the fixed end is clamped and fixed by inserting the protection sleeve 4 into the opening of clamp seat 1, and after fixation is completed, the bolt is used to fix the protection sleeve 4 and clamp seat 1 through the bolt hole formed between the side surface of protection sleeve 4 and the side surface of clamp seat 1, so as to ensure the connection tightness among clamp seat 1, cable and protection sleeve 4, and the clamping end of cable can be effectively limited and fixed in the opening of clamp seat 1.

[0028] Meanwhile, the device is further provided with the outer connection pipe 5, the two ends of the outer connection pipe 5 are communicated by the bidirectional pipe head 10, the pipe opening of the bidirectional pipe head 10 is used as the inlet end and outlet end of the cooling liquid pipeline, the bidirectional pipe head 10 of the inlet end extends to the valve port pipe 11 in the interior, and the cooling liquid is guided into the inner ring pipe 9 distributed in clamp seat 1, in the single cycle flow line, the cooling liquid flows into the connection pipe section 8 through one side of the inner ring pipe 9, and then flows into the other side of the inner ring pipe 9, and then reflows into the other inner ring pipe 9 connected with the valve port pipe 11, and then is guided out by the valve port pipe 11 and bidirectional pipe head 10, and the inner ring pipe 9 and heat conduction sheet 6 are fully heat exchanged in the process, that is, the heat conduction sheet 6 and the contact end of cable are heat exchanged and cooled, so as to meet the cooling management requirement of the local cable.

[0029] Compared with the traditional cable management mode, the device uses the laying arrangement of the clamp seat 1 as a fixed protection structure of the cable structure, ensures the protection performance of the cable and the line pipe connection fixed end, cooperates the external pipe 5 with the externally laid cooling liquid pipeline, combines the cooling pipeline around the clamp seat 1, cools the connection end of the clamp seat 1 and the cable, and improves the practicability of the device.

[0030] Further, the filling block 7 is embedded on one side of the clamp seat 1 relative to the inner end of the external pipe 5, the filling block 7 is made of heat insulation material, the inner ring pipe 9 is distributed on both ends of the filling block 7 relative to one end of the external pipe 5, and the heat insulation performance of the filling block 7 is used to avoid the mutual influence between the inner ring pipes 9.

[0031] Further, the heat conduction sheet 6 has a plurality of strip-shaped grooves formed on the surface, and heat conduction glue is bonded between the inner end of the heat conduction sheet 6 and the inner ring pipe 9, as shown in Fig. 2 The heat conduction sheet 6 is used as the contact end face between the inner ring pipe 9 and the external cable, the heat conduction glue is used to improve the heat exchange efficiency between the heat conduction sheet 6 and the inner ring pipe 9, that is, to improve the cooling effect on the cable;

[0032] On the basis of the above, the heat insulation filling layer 14 is arranged between the bidirectional pipe heads 10, as shown in Fig. 3 Since the bidirectional pipe heads 10 are used as the inlet and outlet of the cooling liquid in single circulation, in order to avoid the mutual influence of the cooling liquid temperature difference between the inlet and outlet, the heat insulation filling layer 14 filled between the bidirectional pipe heads 10 is used for targeted heat insulation and sealing;

[0033] Further, the hinge seat 3 is hingedly arranged on one side of the clamp seat 1 relative to the external pipe 5, and the plate frame 2 is fixed outside the hinge seat 3. The clamp seat 1 of the device is hingedly connected and fixed with the photovoltaic cable laying pipeline through the extended hinge seat 3 on one side, the plate frame 2 is used as the hingedly connected and fixed structure of the laying pipeline, the hinge seat 3 and the clamp seat 1 are hingedly connected, and the horizontal clamping angle of the clamp seat 1 can be adjusted according to the actual wiring demand;

[0034] Further, the flow meter 13 is arranged through the connection end of the bidirectional pipe head 10 and the valve port pipe 11, and the sensing head 12 is arranged outside the connection end of the valve port pipe 11 and the inner ring pipe 9. The flow meter 13 and the sensing head 12 arranged on the valve port pipe 11 are used to facilitate the photovoltaic system to collect the flow data and temperature data of the valve port pipe 11 in each clamp seat 1 arrangement point, and the flow meter and the temperature sensor are selected based on the existing technology.

Claims

1. A photovoltaic cable protection and cooling management device, characterized in that: Including the clamping seat (1), the clamping seat (1) is formed by two middle angle type convex clamping plates, and the joint of the two clamping plates is hingedly provided with a connecting pipe section (8), and the upper and lower ends of the clamping seat (1) are formed with clamping grooves for placing cables; The two sides of the clamping plate of the clamping seat (1) are embedded with heat-conducting sheets (6), the inner side of the heat-conducting sheet (6) is attached with an inner ring pipe (9), and the inner ring pipe (9) is connected with the connecting pipe section (8); The clamping seat (1) is inserted with an external pipe (5) on one side, the external pipe (5) is provided with a two-way pipe head (10) penetratingly, and the two-way pipe head (10) extends two valve port pipes (11) to the inner end of the external pipe (5), and the valve port pipes (11) are respectively connected with the upper and lower two inner ring pipes (9) on the adjacent side; The clamping groove of the clamping seat (1) is clamped with a protective sleeve (4), and the protective sleeve (4) is a nylon sheet, and the protective sleeve (4) and the clamping seat (1) are provided with bolt holes for secondary fixation, and the inner arc surface of the protective sleeve (4) is formed with a toothed clamping opening.

2. A photovoltaic cable protection and cooling management device according to claim 1, characterized in that: The inner end of the clamping seat (1) relative to the external pipe (5) is embedded with a filling block (7), and the filling block (7) is made of heat-insulating material.

3. A photovoltaic cable protection and cooling management device according to claim 1, characterized in that: The surface of the heat-conducting sheet (6) is formed with a plurality of strip-shaped grooves, and the inner end of the heat-conducting sheet (6) and the inner ring pipe (9) are bonded with heat-conducting glue.

4. A photovoltaic cable protection and cooling management device according to claim 1, characterized in that: The two-way pipe head (10) is provided with a heat-insulating filling layer (14) between the two-way pipe head (10).

5. A photovoltaic cable protection and cooling management device according to claim 1, characterized in that: The clamping seat (1) is hingedly provided with a hinge seat (3) relative to the outer side of the external pipe (5), and the outer side of the hinge seat (3) is fixed with a plate frame (2).

6. A photovoltaic cable protection and cooling management device according to claim 1, characterized in that: The two-way pipe head (10) and the valve port pipe (11) are provided with a flow meter (13) penetratingly, and the valve port pipe (11) and the inner ring pipe (9) are provided with a sensing head (12) on the outer side of the connection end.

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