New energy vehicle fast charging station buried cable

Abstract

The utility model belongs to the technical field of buried cables, and particularly relates to a new energy vehicle fast charging station buried cable which comprises an insulating sleeve, a supporting piece is fixedly connected to the middle of the inner side wall of the insulating sleeve, an electromagnetic shielding sleeve is fixedly connected to the inner wall of the supporting piece, and an inner conductor is fixedly connected to the inner wall of the electromagnetic shielding sleeve. The inner wall of the insulation sleeve is fixedly connected with a heat conduction piece, the heat conduction piece is fixedly connected with the electromagnetic shielding sleeve, and the inner wall of the insulation sleeve is fixedly connected with a heat conduction piece. According to the utility model, heat generated by the cable can be rapidly conducted through the arrangement of the heat conduction member and the heat conduction sheet, the heat can be rapidly dissipated under the action of the heat dissipation member, the heat dissipation effect of the cable is improved, the waterproof and moistureproof effects of the cable can be improved through the arrangement of the fixing ring and the waterproof member, and the heat dissipation effect of the cable can be improved under the action of the friction groove. The friction force of the surface of the fixing ring can be improved, and the arrangement stability of cable burying is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground cables, in particular to an underground cable for a new energy vehicle fast charging station. Background Art

[0002] As we all know, underground cables for new energy vehicle fast charging stations are cables used to connect charging piles and power systems. They are usually buried underground for power supply and data transmission. The selection and design of underground cables need to consider the above factors and comply with relevant electrical and safety standards to ensure the normal operation of new energy vehicle fast charging stations and users' safe charging experience.

[0003] In the utility model patent with the patent authorization announcement number CN114944244A, an underground high-temperature resistant cable for new energy vehicle charging piles is disclosed, including a cable body, both ends of the cable body are provided with connector sleeves, the connector sleeves are used to protect the inside of the cable body; the outer periphery of the cable body is provided with an underground locking piece, the underground locking piece is used to lock and fix the cable body underground; the cable body includes a guide wire, the outer periphery of the guide wire is provided with a plurality of cable cores in a circular array, the outer side of the guide wire is wrapped with an inner protective sleeve, the plurality of cable cores are all located inside the inner protective sleeve, the outer side of the inner protective sleeve is provided with a heat insulation layer, and the outer side of the heat insulation layer is provided with an outer protective sleeve.

[0004] However, the existing underground cables for new energy vehicle fast charging stations also have certain defects. First, the existing underground cables for new energy vehicle fast charging stations are mostly simply equipped with insulating sleeves, electromagnetic shielding sleeves and other structures to protect the inner conductors. Due to the influence of deep burial underground, water vapor and other intrusions will occur. Long-term use will cause the moisture-proof effect of the cable to weaken.

[0005] Secondly, after the existing underground cables of new energy vehicle fast charging stations are deeply buried, the influence of factors such as terrain changes will cause cable pulling and displacement, resulting in weak cable installation stability. Utility Model Content

[0006] The purpose of the utility model is to provide an underground cable for a new energy vehicle fast charging station, which solves the problem that the existing underground cables for new energy vehicle fast charging stations mostly simply adopt the settings of insulating sleeves, electromagnetic shielding sleeves and other structures to protect the inner conductor. Due to the influence of deep burial underground, water vapor and the like will invade, and long-term use will cause the moisture-proof effect of the cable to weaken; and solves the problem that after the existing underground cables for new energy vehicle fast charging stations are deeply buried, due to the influence of factors such as terrain changes, the cables will be pulled and displaced, resulting in weak cable installation stability.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an underground cable for a new energy vehicle fast charging station, comprising an insulating sleeve, a support member fixedly connected to the middle of the inner wall of the insulating sleeve, an electromagnetic shielding sleeve fixedly connected to the inner wall of the support member, an inner conductor fixedly connected to the inner wall of the electromagnetic shielding sleeve, a heat conductor fixedly connected to the inner wall of the insulating sleeve, the heat conductor is fixedly connected to the electromagnetic shielding sleeve, a heat conductive sheet fixedly connected to the inner wall of the insulating sleeve, the heat conductive sheet contacts the heat conductive sheet, a heat sink is fixedly connected to the inside of the heat conductive sheet, the heat sink is fixedly connected to the insulating sleeve, and two evenly distributed fixing rings are fixedly sleeved on the outside of the insulating sleeve, and each of the fixing rings has a friction groove on its surface.

[0008] Preferably, the support member is in the shape of a truncated cone as a whole and is made of polyethylene. The inner conductor can be supported by the arrangement of the support member, and the polyethylene material has good durability.

[0009] Preferably, two heat-conducting members are provided, and the two heat-conducting members are symmetrically distributed on the insulating sleeve. The heat-conducting members are made of thermally conductive silicone grease. Through the provision of the heat-conducting members, the heat generated by the inner conductor can be conducted.

[0010] Preferably, a plurality of the heat conducting sheets are provided, and the plurality of the heat conducting sheets are arranged in a ring array on the insulating sleeve. The heat conducting sheets are graphite composite materials. Heat can be conducted through the provision of the heat conducting sheets, and the graphite composite materials have good thermal conductivity.

[0011] Preferably, the heat sink is integrally formed as a rod, and the heat sink is made of ceramic material. Heat can be dissipated through the setting of the heat sink, and the ceramic material has good heat dissipation performance.

[0012] Preferably, a plurality of the friction grooves are provided, and the plurality of friction grooves are arranged in a ring array on the fixing ring. The friction effect of the surface of the fixing ring can be improved by providing the friction grooves.

[0013] Preferably, a waterproof component is fixedly connected between the two fixing rings, and the waterproof component is made of an elastic tape material. Through the provision of the waterproof component, the cable can be treated with moisture-proof and waterproof treatment, and the elastic tape material has good tear resistance and waterproof performance.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model can quickly conduct the heat generated by the cable itself through the arrangement of the heat-conducting member and the heat-conducting sheet. Under the action of the heat dissipating member, the heat can be quickly dissipated to improve the heat dissipation effect of the cable.

[0016] 2. The utility model can improve the waterproof and moisture-proof effects of the cable by setting the fixing ring and the waterproof part, and under the action of the friction groove, the friction strength of the surface of the fixing ring can be increased, thereby improving the placement stability of the buried cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 A sectional perspective view of

[0019] Figure 3 For the utility model Figure 1 A front view of

[0020] Figure 4 For the utility model Figure 3 Enlarged view of point A.

[0021] In the figure: 1. Insulating sleeve; 2. Support member; 3. Electromagnetic shielding sleeve; 4. Inner conductor; 5. Heat conducting member; 6. Heat conducting sheet; 7. Heat dissipating member; 8. Fixing ring; 9. Friction groove; 10. Waterproof member. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A buried cable for a new energy vehicle fast charging station includes an insulating sleeve 1, a support member 2 is fixedly connected to the middle of the inner wall of the insulating sleeve 1, an electromagnetic shielding sleeve 3 is fixedly connected to the inner wall of the support member 2, an inner conductor 4 is fixedly connected to the inner wall of the electromagnetic shielding sleeve 3, a heat conductor 5 is fixedly connected to the inner wall of the insulating sleeve 1, the heat conductor 5 is fixedly connected to the electromagnetic shielding sleeve 3, a heat conductive sheet 6 is fixedly connected to the inner wall of the insulating sleeve 1, the heat conductive sheet 6 is in contact with the heat conductive sheet 5, a heat sink 7 is fixedly connected to the inside of the heat conductive sheet 6, the heat sink 7 is fixedly connected to the insulating sleeve 1, and two evenly distributed fixing rings 8 are fixedly sleeved on the outside of the insulating sleeve 1, and a friction groove 9 is provided on the surface of each fixing ring 8.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The support member 2 is in the shape of a truncated cone as a whole. The support member 2 is made of polyethylene. Through the setting of the support member 2, the inner conductor 4 can be supported, and the polyethylene material has good durability. A plurality of friction grooves 9 are provided, and the plurality of friction grooves 9 are arranged in a circular array on the fixing ring 8. Through the setting of the friction grooves 9, the friction effect on the surface of the fixing ring 8 can be improved. A waterproof member 10 is fixedly connected between the two fixing rings 8. The waterproof member 10 is made of elastic tape. Through the setting of the waterproof member 10, the cable can be moisture-proof and waterproof, and the elastic tape material has good tear resistance and waterproof performance.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 There are two heat-conducting members 5, which are symmetrically distributed on the insulating sleeve 1. The heat-conducting members 5 are made of thermally conductive silicone grease. Through the setting of the heat-conducting members 5, the heat generated by the inner conductor 4 can be conducted. There are multiple heat-conducting sheets 6, which are arranged in a ring array on the insulating sleeve 1. The heat-conducting sheets 6 are graphite composite materials. Through the setting of the heat-conducting sheets 6, heat can be conducted, and the graphite composite materials have good thermal conductivity. The heat sink 7 is a rod member. The heat sink 7 is made of ceramic material. Through the setting of the heat sink 7, heat can be dissipated, and the ceramic material has good heat dissipation performance.

[0026] The specific implementation process of the utility model is as follows: when it is necessary to use the underground cable of the new energy vehicle fast charging station, the heat generated by the cable itself can be quickly conducted through the setting of the heat conducting member 5 and the heat conducting sheet 6. Under the action of the heat dissipating member 7, the heat can be quickly dissipated to improve the heat dissipation effect of the cable. The setting of the fixing ring 8 and the waterproof member 10 can improve the waterproof and moisture-proof effect of the cable, and under the action of the friction groove 9, the friction strength on the surface of the fixing ring 8 can be increased, thereby improving the placement stability of the buried cable.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An underground cable for a new energy vehicle fast charging station, comprising an insulating sleeve (1), characterized in that: A support member (2) is fixedly connected to the middle of the inner wall of the insulating sleeve (1), an electromagnetic shielding sleeve (3) is fixedly connected to the inner wall of the support member (2), an inner conductor (4) is fixedly connected to the inner wall of the electromagnetic shielding sleeve (3), a heat conducting member (5) is fixedly connected to the inner wall of the insulating sleeve (1), the heat conducting member (5) is fixedly connected to the electromagnetic shielding sleeve (3), a heat conducting sheet (6) is fixedly connected to the inner wall of the insulating sleeve (1), the heat conducting sheet (6) is in contact with the heat conducting member (5), a heat dissipating member (7) is fixedly connected to the inside of the heat conducting sheet (6), the heat dissipating member (7) is fixedly connected to the insulating sleeve (1), and two evenly distributed fixing rings (8) are fixedly sleeved on the outside of the insulating sleeve (1), and each fixing ring (8) is provided with a friction groove (9) on its surface.

2. According to claim 1, a buried cable for a new energy vehicle fast charging station is characterized in that: The support member (2) is in the shape of a truncated cone as a whole and is made of polyethylene.

3. According to claim 1, a buried cable for a new energy vehicle fast charging station is characterized in that: Two heat-conducting parts (5) are provided, and the two heat-conducting parts (5) are symmetrically distributed on the insulating sleeve (1). The heat-conducting parts (5) are made of heat-conducting silicone grease.

4. According to claim 1, a buried cable for a new energy vehicle fast charging station is characterized in that: A plurality of the heat conducting sheets (6) are provided, and the plurality of the heat conducting sheets (6) are arranged in a ring array on the insulating sleeve (1), and the heat conducting sheets (6) are made of a graphite composite material.

5. According to claim 1, a buried cable for a new energy vehicle fast charging station is characterized in that: The heat sink (7) is entirely a rod and is made of ceramic material.

6. The underground cable for a new energy vehicle fast charging station according to claim 1, characterized in that: A plurality of the friction grooves (9) are provided, and the plurality of friction grooves (9) are arranged in a ring array on the fixing ring (8).

7. The underground cable for a new energy vehicle fast charging station according to claim 1 is characterized in that: A waterproof component (10) is fixedly connected between the two fixing rings (8), and the waterproof component (10) is made of an elastic tape material.

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