Charging pile cable with high heat resistance

Abstract

The utility model discloses a charging pile cable with high heat resistance, which comprises a charging pile cable main body, a central protection tube is arranged on the charging pile cable main body, the side surface of the central protection tube is uniformly connected with partition plates at intervals, heat insulation plates are embedded in the partition plates, conductors are respectively arranged between the partition plates, and an insulation layer is sleeved outside the conductors. An outer sheath is arranged outside the charging pile cable body, a shielding layer is arranged in the outer sheath, and a filling layer is arranged between the shielding layer and the insulating layer. According to the high-heat-resistance charging pile cable, the central protection tube with the partition plate is arranged in the middle of the cable, the internal cable is partitioned by the partition plate, and the heat insulation plate is embedded in the partition plate, so that the influence on other cables due to the high heat phenomenon of the cable is avoided. According to the high-heat-resistance charging pile cable, the sensitive element penetrates through the central protection tube, the thermistor sensor is connected with the sensitive element, and internal temperature detection processing is carried out on the charging pile cable so that timely maintenance can be carried out after a high heat phenomenon occurs.

Description

Technical Field

[0001] The utility model relates to the technical field of charging pile cables, in particular to a charging pile cable with high heat resistance. Background Art

[0002] The charging pile cable is a vital part of the electric vehicle charging pile system. It connects the charging pile and the electric vehicle to transmit electrical energy and charge the battery of the electric vehicle. The heat resistance of the charging pile cable is the key to ensure charging safety and extend the service life of the cable.

[0003] In addition to using high-temperature resistant materials and heat dissipation materials, existing high-heat-resistant charging pile cables also increase the cross-sectional area of ​​the cable and reduce the current density per unit area, thereby reducing heat generation and improving heat resistance. However, the charging pile cable is composed of multiple cables, including a charging interface, a controller and a management unit, a power conversion device, a safety protection element, a communication module, etc. Therefore, during the use of the charging pile cable, if one of the cables has a high temperature problem, it will affect the use of other cables, thereby affecting the service life of the cable and even causing safety problems. Utility Model Content

[0004] The purpose of the utility model is to provide a charging pile cable with high heat resistance, so as to solve the problem raised in the above background technology that the charging pile cables on the market are composed of multiple cables, including a charging interface, a controller and a management unit, a power conversion device, a safety protection element, a communication module, etc. Therefore, during the use of the charging pile cable, if one of the cables has a high temperature problem, it will affect the use of other cables, thereby affecting the service life of the cable and even causing safety problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highly heat-resistant charging pile cable, comprising a charging pile cable main body, a central protective tube is provided on the charging pile cable main body, and partition plates are evenly spaced and connected to the sides of the central protective tube, and a heat insulation plate is embedded in the partition plates, conductors are respectively provided between the partition plates, and an insulating layer is provided on the outer sleeve of the conductor, an outer sheath is provided on the outside of the charging pile cable main body, and a shielding layer is provided in the outer sheath, and a filling layer is provided between the shielding layer and the insulating layer.

[0006] Preferably, a mounting ring is sleeved on the end of the charging pile cable body, and a protrusion with a through hole is provided on the side of the mounting ring.

[0007] Preferably, a mounting seat is snap-fitted onto the protrusion of the mounting collar, and a thermistor sensor is installed in the mounting seat.

[0008] Preferably, the heat insulation board and the central protective tube are an integrated structure, and a gap is provided between the heat insulation board and the insulating layer.

[0009] Preferably, the central protection tube is a cylindrical structure, and a sensitive element passes through the middle of the central protection tube.

[0010] Preferably, the end of the sensitive element is penetrated by a through hole protruding from the side surface of the mounting collar, and the end of the sensitive element is mounted on the thermistor sensor.

[0011] Compared with the prior art, the utility model has the following beneficial effects: a central protective tube with a partition plate is provided in the middle of the high heat-resistant charging pile cable, the partition plate is used to separate the internal cables, and a heat insulation plate is embedded in the partition plate to prevent the cables from overheating and affecting other cables. The high heat-resistant charging pile cable passes through a sensitive element in the central protective tube, and is connected to the sensitive element through a thermistor sensor, so as to detect the internal temperature of the charging pile cable so as to perform timely maintenance after the occurrence of high heat phenomena and ensure the safety of the charging pile cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the cross-sectional structure of a high heat-resistant charging pile cable of the utility model;

[0013] Figure 2 This is a side view of the internal structure of a high heat-resistant charging pile cable of the utility model;

[0014] Figure 3 This is a schematic diagram of the connection structure of a central protective tube and a partition plate of a charging pile cable with high heat resistance in the utility model.

[0015] In the figure: 1. Charging pile cable body; 2. Mounting ring; 3. Outer sheath; 4. Shielding layer; 5. Heat insulation board; 6. Center protection tube; 7. Filling layer; 8. Sensitive element; 9. Mounting seat; 10. Insulation layer; 11. Conductor; 12. Partition plate; 13. Thermistor sensor. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3The utility model provides a technical solution: a high heat-resistant charging pile cable, including a charging pile cable body 1, a mounting collar 2 is sleeved and installed at the end of the charging pile cable body 1, and a protrusion with a through hole is provided on the side of the mounting collar 2. This structure allows the mounting collar 2 to be fixed to the outer sheath 3 by gluing and sealing, so that the mounting collar 2 can sleeve and tighten the end of the charging pile cable body 1, which plays a role of dustproof and waterproof, and facilitates the fixing of the charging pile cable body 1 and the charging gun. A central protective tube 6 is provided on the charging pile cable body 1, and a partition plate 12 is evenly spaced and connected to the side of the central protective tube 6, and a heat insulation board 5 is embedded in the partition plate 12, and the heat insulation board 5 and the central protective tube 6 are integrated The structure is provided with a gap between the heat insulating plate 5 and the insulating layer 10. The partition plate 12 is fixed by the central protective tube 6, so that the charging pile cable body 1 can partition the cables through the partition plate 12. At the same time, the cables are insulated by the heat insulating plate 5 to avoid mutual interference between the cables. When one of the cables has a high temperature phenomenon, it can avoid affecting other cables, thereby ensuring the safety of the equipment connected to the charging pile cable body 1. The insulating layer 10 is used for fixing the conductor 11 and insulating protection treatment. The mounting seat 9 is clamped and installed on the protrusion of the mounting ring 2, and the thermistor sensor 13 is installed in the mounting seat 9. This structure allows the thermistor sensor 13 to pass through the mounting seat 9. The relative mounting ring 2 is detachable and installed, conductors 11 are respectively arranged between the partition plates 12, and the conductor 11 is covered with an insulating layer 10, the central protective tube 6 is a cylindrical structure, and a sensitive element 8 is passed through the middle of the central protective tube 6. This structure allows the sensitive element 8 to be installed through the central protective tube 6 to measure the temperature inside the charging pile cable body 1. The central protective tube 6 plays a role of middle protection for the charging pile cable body 1, and strengthens the strength of the charging pile cable body 1. The charging pile cable body 1 is provided with an outer sheath 3, and the outer sheath 3 is used to protect the internal structure from physical damage, chemical corrosion, ultraviolet radiation and moisture intrusion, and a shielding layer 4 is provided inside the outer sheath 3, and the shielding layer 4 is mainly used to reduce electromagnetic interference. Interference, protect the transmission of data signals from interference from external electromagnetic fields, and a filling layer 7 is provided between the shielding layer 4 and the insulating layer 10, the filling layer 7 is used to keep the charging pile cable body 1 round, improve the overall strength and protection performance of the charging pile cable body 1, and reduce the friction between the internal components of the charging pile cable body 1, the end of the sensitive element 8 and the raised through hole on the side of the mounting ring 2 are penetrated, and the end of the sensitive element 8 is installed on the thermistor sensor 13. This structure measures the temperature by using the characteristic that the resistance of the sensitive element 8 changes with the temperature through the setting of the thermistor sensor 13, so as to accurately measure the temperature of the charging pile cable body 1 and avoid the use of internal cables affected by excessive temperature.

[0018] Working principle: When using the high heat-resistant charging pile cable, first, during the use of the charging pile cable body 1, the conductor 11, the insulating layer 10 and the sensitive element 8 at the end are exposed, the mounting ring 2 is fixed on the end of the charging pile cable body 1, and then the sensitive element 8 is inserted into the through hole of the raised part of the mounting ring 2, and then the sensitive element 8 is installed on the thermistor sensor 13, and then the thermistor sensor 13 is fixed to the side of the mounting ring 2 through the mounting seat 9. The central protective tube 6 enhances the strength of the charging pile cable body 1, and separates the conductor 11 in the insulating layer 10 through the partition plate 12. The heat insulation board 5 embedded in the partition plate 12 insulates the cable. The filling layer 7 is used to keep the charging pile cable body 1 round, the shielding layer 4 is used to reduce electromagnetic interference, and the outer sheath 3 is used to protect the internal structure from physical damage, chemical corrosion, ultraviolet radiation and moisture intrusion, ensuring the overall strength and protection performance of the charging pile cable body 1, so that the charging pile cable body 1 has high heat resistance, thereby completing a series of tasks.

[0019] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A charging pile cable with high heat resistance, comprising a charging pile cable body (1), characterized in that: The charging pile cable body (1) is provided with a central protective tube (6), and the side of the central protective tube (6) is evenly spaced and connected with partition plates (12), and a heat insulation plate (5) is embedded in the partition plates (12), conductors (11) are respectively provided between the partition plates (12), and the conductors (11) are provided with an insulating layer (10) on their outer jackets, the charging pile cable body (1) is provided with an outer sheath (3), and a shielding layer (4) is provided in the outer sheath (3), and a filling layer (7) is provided between the shielding layer (4) and the insulating layer (10).

2. A charging pile cable with high heat resistance according to claim 1, characterized in that: The end of the charging pile cable body (1) is sleeved with a mounting ring (2), and a protrusion with a through hole is provided on the side of the mounting ring (2).

3. A charging pile cable with high heat resistance according to claim 2, characterized in that: A mounting seat (9) is clamped and mounted on the protrusion of the mounting collar (2), and a thermistor sensor (13) is installed in the mounting seat (9).

4. The high heat-resistant charging pile cable according to claim 1, characterized in that: The heat insulation board (5) and the central protection tube (6) are an integrated structure, and a gap is provided between the heat insulation board (5) and the insulating layer (10).

5. The high heat-resistant charging pile cable according to claim 1, characterized in that: The central protection tube (6) is a cylindrical structure, and a sensitive element (8) passes through the middle of the central protection tube (6).

6. A charging pile cable with high heat resistance according to claim 5, characterized in that: The end of the sensitive element (8) is intersected by a through hole protruding from the side of the mounting collar (2), and the end of the sensitive element (8) is mounted on the thermistor sensor (13).

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