Safe and environment-friendly battery connecting cable for new energy storage system

Abstract

The utility model discloses a safe environment-friendly battery connecting cable for a new energy storage system, which relates to the field of cables and comprises a cable, the cable is composed of a conductor, a flame-retardant water-blocking layer, an insulating layer and a sheath layer, the sheath layer is fixedly mounted on the insulating layer, the insulating layer is fixedly mounted on the flame-retardant water-blocking layer, the flame-retardant water-blocking layer is fixedly mounted on the conductor, and the flame-retardant water-blocking layer is fixedly mounted on the conductor. A connector is fixedly installed at one end of the cable, and a positioning ring is fixedly installed on the connector. According to the utility model, the conductor adopts a soft copper conductor or a tin-plated soft copper conductor, is easy to bend and lay, and is suitable for a narrow space, the flame-retardant waterproof layer has fireproof and waterproof functions and functions of buffering mechanical stress, uniformizing an electric field and the like, and the insulation adopts the high-temperature-resistant halogen-free low-smoke irradiation cross-linked polyolefin insulation layer, so that the insulation performance of the cable is improved. The insulating layer has a high temperature resistance level, the problems of rapid insulation aging, even insulation breakdown short circuit and the like caused by heating of the cable are solved, and the outer sheath is made of a polytetrafluoroethylene material, has good wear resistance and can protect internal materials.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and in particular to a safe and environmentally friendly battery connecting cable for a new energy storage system. Background Art

[0002] With the rapid development of the electric energy storage industry, in order to standardize and normalize it, the application of energy storage components also needs to attract widespread attention in the industry. Among them, a large number of battery connection cables are used in the energy storage system. As the nerves and blood vessels of the energy storage system, energy storage cables refer to the DC side connection cables connected between battery clusters and between battery clusters and converters.

[0003] In the existing technology, there are six main risks that may be faced in energy storage systems, including electrical risks, power risks, fire risks, explosion risks, chemical risks, and mechanical risks. Therefore, energy storage cable applications are mainly based on large specifications. Relatively large currents need to be transmitted in applications, and the ability to charge and discharge at high power for a long time is required. The temperature rise is high under large currents, so the cables should have excellent heat resistance. Mechanical damage may exist during the application process. When the bending radius is relatively small, it is necessary to reduce the continuous stress caused by large-size cables on connectors. At the same time, energy storage cables also need to have crack resistance, alkali resistance, battery acid resistance, water resistance, UV resistance, and excellent flame retardancy to avoid electrical safety problems of the entire energy storage system caused by poor or faulty energy storage cables. Therefore, safe and environmentally friendly battery connection cables for new energy storage systems are needed to meet people's needs. Utility Model Content

[0004] The purpose of the utility model is to provide a safe and environmentally friendly battery connection cable for a new energy storage system to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A safe and environmentally friendly battery connection cable for a new energy storage system, comprising a cable, wherein the cable is composed of a conductor, a flame retardant and water resistant layer, an insulating layer, and a sheath layer, wherein the sheath layer is fixedly installed on the insulating layer, the insulating layer is fixedly installed on the flame retardant and water resistant layer, the flame retardant and water resistant layer is fixedly installed on the conductor, and a connector is fixedly installed on one end of the cable, and a positioning ring is fixedly installed on the connector.

[0007] Preferably, the conductor is a copper core or tinned soft copper wire, the diameter of the conductor is 2 mm, and the flame retardant and water resistant layer is a flame retardant and water resistant dual-purpose belt made of a base material layer and a flame retardant material layer.

[0008] Preferably, the insulating layer is made of high temperature resistant halogen-free low smoke radiation cross-linked polyolefin, and the thickness of the insulating layer is 0.2 to 0.4 mm.

[0009] Preferably, the sheath layer is made of polytetrafluoroethylene, and the thickness of the sheath layer is 0.3 to 0.5 mm.

[0010] Preferably: a circuit board is fixedly installed in the positioning ring, a connecting piece is fixedly installed on the circuit board, and a temperature sensor is fixedly installed in the connecting head.

[0011] Preferably: an access line is fixedly installed in the connector, a connecting line is fixedly installed on the circuit board, a bridging piece is overlapped between the access line and the connecting line, a telescopic switch is fixedly installed on the inner wall of the connector, and the bridging piece is fixedly installed on the output end of the telescopic switch.

[0012] The beneficial effects of the utility model are:

[0013] The overall structure of the utility model is reasonably set up. The conductor adopts soft copper conductor or tinned soft copper conductor, which has good softness. The rebound angle of softness evaluation is not more than 40°. It is easy to bend and lay, and is suitable for narrow spaces. The flame retardant and water-resistant layer adopts a flame retardant and water-resistant dual-purpose belt made of a base material layer and a flame retardant material layer, which has both fireproof and waterproof functions, as well as buffering mechanical stress and uniform electric field. The insulation adopts a high-temperature resistant halogen-free low-smoke irradiated cross-linked polyolefin insulation layer. The application of energy storage cables is mainly based on large specifications. Relatively large currents need to be transmitted in applications, and the ability to charge and discharge at high power for a long time is required. The temperature rise is high under high current. The insulation layer has a high temperature resistance level and will not cause rapid aging of insulation due to cable heating, or even insulation breakdown and short circuit. The outer sheath adopts polytetrafluoroethylene material with good wear resistance, which can protect the internal materials. This product is mainly committed to solving the problem of reducing the system's electrical risks, power risks, fire risks, explosion risks, chemical risks and mechanical risks.

[0014] In the utility model, a bridging sheet is used to connect the cable and the connector. When the temperature of the connector changes, the bridging sheet can be actively disconnected, thereby preventing the condition of the connector from further deteriorating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the planar structure of the safe and environmentally friendly battery connection cable for the new energy storage system proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the safe and environmentally friendly battery connection cable for the new energy storage system proposed by the utility model;

[0017] Figure 3 This is a structural schematic diagram of the cable portion of the safe and environmentally friendly battery connecting cable for the new energy storage system proposed by the utility model.

[0018] In the figure: 100, cable; 101, conductor; 102, flame retardant and water-resistant layer; 103, insulation layer; 104, sheath layer; 200, connector; 201, positioning ring; 202, circuit board; 203, connecting piece; 204, temperature sensor; 205, access line; 206, connecting line; 207, bridge piece; 208, telescopic switch. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3 , a safe and environmentally friendly battery connection cable for a new energy storage system, including a cable 100, wherein the cable 100 is composed of a conductor 101, a flame retardant and water-resistant layer 102, an insulating layer 103, and a sheath layer 104, wherein the sheath layer 104 is fixedly mounted on the insulating layer 103, wherein the insulating layer 103 is fixedly mounted on the flame retardant and water-resistant layer 102, wherein the flame retardant and water-resistant layer 102 is fixedly mounted on the conductor 101, wherein a connector 200 is fixedly mounted on one end of the cable 100, wherein a positioning ring 201 is fixedly mounted on the connector 200, and the conductor is a soft copper conductor or a tinned soft copper conductor, which has good softness, and the softness evaluation rebound angle is not greater than 40°, and is easy to bend and lay, and is suitable for narrow spaces. The flame retardant and water-resistant layer is a flame retardant and water-resistant dual-purpose belt made of a base material layer and a flame retardant material layer, which has both the functions of fire prevention and waterproofing, as well as the functions of buffering mechanical stress and uniform electric field. The insulation adopts high temperature resistant halogen-free low smoke irradiated cross-linked polyolefin insulation layer. The energy storage cable is mainly used in large specifications. Relatively large currents need to be transmitted in the application. It needs to have the ability to charge and discharge at high power for a long time. The temperature rises high under large currents. The insulation layer has a high temperature resistance level and will not cause rapid aging of insulation due to cable heating, or even insulation breakdown and short circuit. The outer sheath adopts polytetrafluoroethylene material with good wear resistance and can protect the internal materials. This product is mainly committed to solving the problem of reducing the electrical risk, power risk, fire risk, explosion risk, chemical risk and mechanical risk of the system. The utility model is made of safe and environmentally friendly materials, the overall structure is light in weight, energy saving and long in service life; convenient energy storage and wide application fields; high and low temperature resistant and flame retardant, the product quality is safe and reliable; strong UV resistance and corrosion resistance, halogen-free and low smoke, and can be used safely in an environment of -40 to 125℃.

[0021] In an optional embodiment: the conductor 101 is a copper core or a tinned soft copper wire, the diameter of the conductor 101 is 2 mm, and the flame retardant and water-resistant layer 102 is a flame retardant and water-resistant dual-purpose belt made of a base material layer and a flame retardant material layer, which has both fireproof and waterproof functions, as well as the functions of buffering mechanical stress and uniform electric field.

[0022] In an optional embodiment: the insulating layer 103 is a high temperature resistant halogen-free low smoke radiation cross-linked polyolefin, the thickness of the insulating layer 103 is 0.2 to 0.4 mm, and the insulation adopts a high temperature resistant halogen-free low smoke radiation cross-linked polyolefin insulation layer. The energy storage cable is mainly used in large specifications. Relatively large currents need to be transmitted in the application, and the ability to charge and discharge at high power for a long time is required. The temperature rise is high under large currents. The insulating layer has a high temperature resistance level and will not cause rapid aging of the insulation due to cable heating, or even insulation breakdown and short circuit.

[0023] In an optional embodiment, the sheath layer 104 is made of polytetrafluoroethylene, and the thickness of the sheath layer 104 is 0.3 to 0.5 mm. The polytetrafluoroethylene material has good wear resistance and can protect the internal material.

[0024] In an optional embodiment: Figure 2 As shown, a circuit board 202 is fixedly installed in the positioning ring 201, a connecting piece 203 is fixedly installed on the circuit board 202, a temperature sensor 204 is fixedly installed in the connector 200, an access line 205 is fixedly installed in the connector 200, a connecting line 206 is fixedly installed on the circuit board 202, a bridging piece 207 is overlapped on the access line 205 and the connecting line 206, a telescopic switch 208 is fixedly installed on the inner wall of the connector 200, and the bridging piece 207 is fixedly installed on the output end of the telescopic switch 208. It should be noted that the cable 100 is connected with the aid of the connector 200, and the entire circuit is connected inside the connector 200 through the access line 205, the connecting line 206, the bridging piece 207, the circuit board 202, and the connecting piece 203. The temperature sensor 204 is used to detect the temperature of the connecting piece 203. When the temperature is abnormal, the telescopic switch 208 drives the bridging piece 207 to disconnect the access line 205 and the connecting line 206, thereby disconnecting the circuit and ensuring the safety of the device.

[0025] Working principle of this utility model:

[0026] The conductor is made of soft copper conductor or tinned soft copper conductor, which has good softness. The rebound angle of softness evaluation is no more than 40°. It is easy to bend and lay, and is suitable for narrow spaces. The flame retardant and water-resistant layer is made of a flame retardant and water-resistant dual-purpose belt made of a base material layer and a flame retardant material layer. It has both fireproof and waterproof functions, as well as buffering mechanical stress and uniform electric field. The insulation adopts a high-temperature resistant halogen-free and low-smoke irradiated cross-linked polyolefin insulation layer. The application of energy storage cables is mainly large-sized. Relatively large currents need to be transmitted in the application. It needs to have the ability to charge and discharge at high power for a long time. The temperature rise is high under high current. The insulation layer has a high temperature resistance level and will not cause rapid aging of the insulation due to cable heating, or even insulation breakdown and short circuit. The outer sheath is made of polytetrafluoroethylene material with good wear resistance and can protect the internal materials. This product is mainly committed to reducing the electrical risk, power risk, fire risk, explosion risk, chemical risk and mechanical risk of the system. The utility model is made of safe and environmentally friendly materials, the overall structure is light in weight, energy-saving and has a long service life; convenient energy storage and a wide range of applications; high and low temperature resistance and flame retardant, the product quality is safe and reliable; strong UV resistance and corrosion resistance, halogen-free and low smoke, and can be safely used in an environment of -40 to 125°C;

[0027] The cable 100 is connected with the aid of a connector 200, and the entire circuit is connected inside the connector 200 through an access line 205, a connecting line 206, a bridging piece 207, a circuit board 202, and a connecting piece 203. A temperature sensor 204 is used to detect the temperature of the connecting piece 203. When the temperature is abnormal, the telescopic switch 208 drives the bridging piece 207 to disconnect the access line 205 and the connecting line 206, thereby disconnecting the circuit and ensuring the safety of the device.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safe and environmentally friendly battery connection cable for a new energy storage system, comprising a cable (100), characterized in that: The cable (100) is composed of a conductor (101), a flame retardant and water resistant layer (102), an insulating layer (103), and a sheath layer (104); the sheath layer (104) is fixedly mounted on the insulating layer (103); the insulating layer (103) is fixedly mounted on the flame retardant and water resistant layer (102); the flame retardant and water resistant layer (102) is fixedly mounted on the conductor (101); a connector (200) is fixedly mounted on one end of the cable (100); and a positioning ring (201) is fixedly mounted on the connector (200).

2. The safe and environmentally friendly battery connection cable for the new energy storage system according to claim 1 is characterized in that: The conductor (101) is a copper core or a tinned soft copper wire, the diameter of the conductor (101) is 2 mm, and the flame retardant and water resistant layer (102) is a flame retardant and water resistant dual-purpose belt made of a base material layer and a flame retardant material layer.

3. The safe and environmentally friendly battery connection cable for the new energy storage system according to claim 1 is characterized in that: The insulating layer (103) is made of high temperature resistant, halogen-free, low smoke radiation cross-linked polyolefin, and the thickness of the insulating layer (103) is 0.2 to 0.4 mm.

4. The safe and environmentally friendly battery connection cable for the new energy storage system according to claim 1 is characterized in that: The sheath layer (104) is made of polytetrafluoroethylene, and the thickness of the sheath layer (104) is 0.3 to 0.5 mm.

5. The safe and environmentally friendly battery connection cable for the new energy storage system according to claim 1 is characterized in that: A circuit board (202) is fixedly mounted in the positioning ring (201), a connecting piece (203) is fixedly mounted on the circuit board (202), and a temperature sensor (204) is fixedly mounted in the connector (200).

6. The safe and environmentally friendly battery connection cable for the new energy storage system according to claim 1 is characterized in that: An incoming line (205) is fixedly installed in the connector (200), a connecting line (206) is fixedly installed on the circuit board (202), a bridging piece (207) is overlapped on the incoming line (205) and the connecting line (206), a telescopic switch (208) is fixedly installed on the inner wall of the connector (200), and the bridging piece (207) is fixedly installed on the output end of the telescopic switch (208).

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