Multifunctional composite wire
The composite cable with a multi-layer structure design solves the problem that existing composite cables cannot shield electromagnetic interference, enabling stable signal and power transmission in high-temperature environments, extending the cable's lifespan, and improving signal purity and electromagnetic shielding effectiveness.
Patent Information
- Application Number
- CN202520213821.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing composite lines cannot effectively shield against electromagnetic interference, leading to signal distortion, increased bit error rate, unstable operation, and even damage.
It adopts a multi-layer structure design, including a high-temperature resistant protective sheath, a braided shielding layer, an aluminum foil shielding layer, a cross-shaped isolation layer, and a fiber optic mechanism, which are used for power transmission, data communication, and fiber optic signal transmission, respectively. The high-temperature resistant isolation strip and heat dissipation filling layer provide additional protection to ensure stable transmission of signals and power.
Ensuring stable signal and power transmission in high-temperature environments extends cable lifespan, reduces mechanical damage, improves signal purity and electromagnetic shielding, and enhances overall cable strength and stability.
Smart Images

Figure CN223728515U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable technical field especially relates to a multifunctional composite wire. BACKGROUND
[0002] With the improvement of people's living standards and the continuous progress of science and technology, the intelligent building industry is booming, and the intelligent building aims to optimize the combination of the structure, system, service and management of the building according to the needs of users, so as to provide a high-efficiency, comfortable and convenient personalized building environment for users. In the intelligent building, a large number of cables are needed to connect various devices, such as lighting systems, air conditioning systems, security monitoring systems and communication network systems. These devices not only need stable power supply, but also need data transmission to realize intelligent control. The intelligent lighting system needs to automatically adjust the brightness according to the environmental light intensity and personnel activity. This requires real-time data transmission between the lighting device and the control center. The traditional single-function cable cannot meet the needs of synchronous transmission of power and signal and interconnection of multiple devices in intelligent buildings. Therefore, the development of multifunctional composite wire that can integrate power transmission and data communication into one has become an urgent need for the development of intelligent building industry.
[0003] After searching, Chinese patent publication No. CN220913932U discloses a multifunctional composite wire harness, which comprises a wear-resistant layer, the inner wall of the wear-resistant layer is fixedly connected with a waterproof layer, the inner wall of the waterproof layer is fixedly connected with a fireproof layer, the inner wall of the fireproof layer is fixedly connected with a shielding layer, the inner wall of the shielding layer is fixedly connected with an isolation layer, the inner wall of the isolation layer is fixedly connected with a plurality of reinforcing layers, the inner wall of each reinforcing layer is fixedly connected with an insulating layer, and the inner wall of each insulating layer is fixedly connected with a metal conductor. In the utility model, the wear-resistant layer can improve the wear resistance of the wire harness, the waterproof layer can improve the waterproof performance of the wire harness and prevent water from entering the wire harness, the fireproof layer and the flame-retardant layer can improve the fireproof performance of the wire harness and prevent the wire harness from burning, the reinforcing ribs and the reinforcing layers can improve the bending resistance of the wire harness and prevent the metal conductor from breaking during pulling, which affects use. However, the composite wire cannot effectively shield electromagnetic interference, and external electromagnetic interference sources can cause signal distortion, increase the error rate, and cause unstable operation, performance degradation or even damage. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a multifunctional composite wire, which aims to improve the problem that the composite wire in the prior art cannot effectively shield electromagnetic interference, external electromagnetic interference sources can cause signal distortion, increase the error rate, and cause unstable operation, performance degradation or even damage.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A multi -functional composite line, including the first layer high temperature -resistant protective sheath layer, the inside left side of first layer high temperature -resistant protective sheath layer is provided with network signal transmission line, the inner wall of network signal transmission line is fixedly connected with high temperature -resistant isolation zone no.
[0006] Through the above technical scheme: the inner wall of network signal transmission line is fixedly connected with a high temperature -resistant isolation zone no., which provides additional protection to ensure the stability and safety of signal transmission, the braided shielding layer can effectively shield the electromagnetic interference of outside, guarantee the purity of signal, and a aluminum foil shielding layer no. is fixedly connected on the inner wall of braided shielding layer, which further strengthens the protection of signal, a cross isolation is fixedly connected on the adjacent side of aluminum foil shielding layer no., which helps to further isolate and protect the conductor, prevent the interference between signals, the optical fiber mechanism is arranged in the inside of first layer high temperature -resistant protective sheath layer, which is used for the transmission of optical fiber signal, and ensures the high speed of data transmission.
[0007] As a further description of the above technical scheme:
[0008] The optical fiber mechanism includes an optical fiber signal transmission line, the inner wall of the optical fiber signal transmission line is fixedly connected with a high temperature -resistant protective layer no., the inner side of the high temperature -resistant protective layer no. is fixedly connected with aramid yarn, the inner side of the aramid yarn is fixedly connected with a spiral armor tube, the inner side of the spiral armor tube is provided with a plurality of optical fiber insulation skins, and the inner side of the optical fiber insulation skin is fixedly connected with an optical fiber core.
[0009] Through the above technical scheme: in order to ensure the stability and safety of signal transmission, the inner wall of the optical fiber signal transmission line is fixedly connected with a high temperature -resistant protective layer no., the layer of protective layer no. can not only withstand extreme temperature conditions, but also provide additional mechanical protection, the aramid yarn provides further protection for the internal structure, and a spiral armor tube is fixedly connected on the inner side of the aramid yarn, which can not only provide additional physical protection, but also help maintain the structural integrity of the optical fiber. The inner side of the spiral armor tube is provided with a plurality of optical fiber insulation skins, and the insulation skins can effectively isolate the electromagnetic interference of outside, guarantee the pure transmission of signal.
[0010] As a further description of the above technical solution:
[0011] The outer wall of the first layer of high-temperature-resistant protective sleeve layer is fixedly connected with a second layer of hollow insulation layer, and the outer wall of the second layer of hollow insulation layer is fixedly connected with a third layer of silica gel sheath layer.
[0012] Through the above technical solution: the combination of the three layers not only can withstand high temperature environment, but also can provide good insulation performance, and the third layer of silica gel sheath layer can also provide soft protection to prevent external impact from causing damage to the internal structure.
[0013] As a further description of the above technical solution:
[0014] The inside right of the first layer of high-temperature-resistant protective sleeve layer is provided with a power transmission line.
[0015] Through the above technical solution: to ensure stable power supply under extreme conditions and ensure normal operation.
[0016] As a further description of the above technical solution:
[0017] The inner wall of the power transmission line is fixedly connected with a second high-temperature-resistant sheath layer.
[0018] Through the above technical solution: the power transmission line can be effectively protected to work normally under high temperature environment, and damage or performance degradation caused by high temperature can be prevented.
[0019] As a further description of the above technical solution:
[0020] The inner side of the second high-temperature-resistant sheath layer is fixedly connected with a second high-temperature-resistant isolation band.
[0021] Through the above technical solution: to ensure that the sheath layer can provide additional protection under high temperature environment, prevent heat from being directly transmitted to the internal structure, thereby prolonging the service life of the equipment and ensuring its normal operation.
[0022] As a further description of the above technical solution:
[0023] The inner side of the second high-temperature-resistant isolation band is fixedly connected with a heat dissipation filling layer.
[0024] Through the above technical solution: the working performance and stability of the equipment under high temperature environment can be effectively improved.
[0025] As a further description of the above technical solution:
[0026] The inner side of the heat dissipation filling layer is provided with two conductor insulation layers two, and the inner side of the conductor insulation layer two is fixedly connected with an electric conductor two.
[0027] Through the technical scheme, the electric conductor two is fixedly connected in the conductor insulation layer two, so that the electric conductor two and the conductor insulation layer two are stably combined, and effective support is provided for heat dissipation performance of the whole system.
[0028] The utility model has the advantages of the following:
[0029] 1、The utility model discloses a first layer of high-temperature-resistant protective sleeve layer can resist high-temperature environment, prevent internal components from being damaged due to high temperature, ensure normal operation of the cable in a high-temperature place, and the existence of the high-temperature-resistant isolation belt one can further improve the blocking and isolation efficiency of high temperature on the basis of the first layer of high-temperature-resistant protective sleeve layer, and the aluminum foil shielding layer one and the aluminum foil shielding layer two work together to provide a more reliable electromagnetic shielding environment for internal network signal transmission and electric conductors.
[0030] 2、The utility model discloses a high-temperature-resistant protective layer one connected to ensure that the whole cable assembly can still work normally under high-temperature environment, prolong its service life, and the aramid yarn can better withstand various external forces during laying and use of the cable, reduce cable failure caused by mechanical damage, ensure the stability and reliability of optical fiber communication, and provide certain buffering and protection effect, and the spiral armor pipe can work together with the aramid yarn to jointly bear the tensile force and improve the overall tensile strength of the cable. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 A first layer of high-temperature-resistant protective sleeve layer of a multifunctional composite wire according to the utility model is shown in the cross-sectional view.
[0032] Figure 2 A high-temperature-resistant isolation belt of a multifunctional composite wire according to the utility model is shown in the cross-sectional view.
[0033] Figure 3 An optical fiber core of a multifunctional composite wire according to the utility model is shown in the cross-sectional view.
[0034] Figure 4 A heat dissipation filling layer of a multifunctional composite wire according to the utility model is shown in the cross-sectional view.
[0035] LEGEND:
[0036] 1, the first layer of high temperature resistant protective sleeve layer; 2, optical fiber mechanism; 201, optical fiber signal transmission line; 202, high temperature resistant protective layer one; 203, aramid yarn; 204, spiral armor tube; 205, optical fiber insulation skin; 206, optical fiber core; 3, network signal transmission line; 4, high temperature resistant isolation belt one; 5, braided shielding layer; 6, aluminum foil shielding layer one; 7, aluminum foil shielding layer two; 8, conductor insulation layer one; 9, electric conductor one; 10, cross isolation; 11, second layer of hollow insulation layer; 12, third layer of silica gel sheath layer; 13, power transmission line; 14, high temperature resistant sheath layer two; 15, high temperature resistant isolation belt two; 16, heat dissipation filling layer; 17, conductor insulation layer two; 18, electric conductor two. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0038] Please refer to the drawings of the embodiments of the utility model Figure 1 - the drawings of the embodiments of the utility model Figure 3 An embodiment provided by the utility model: a multifunctional composite wire, comprising a first layer of high temperature resistant protective sleeve layer 1, the inside left side of the first layer of high temperature resistant protective sleeve layer 1 is provided with a network signal transmission line 3, the inner wall of the network signal transmission line 3 is fixedly connected with a high temperature resistant isolation belt one 4, the inner side of the high temperature resistant isolation belt one 4 is fixedly connected with a braided shielding layer 5, the inner wall of the braided shielding layer 5 is fixedly connected with an aluminum foil shielding layer one 6, the inner side of the aluminum foil shielding layer one 6 is provided with a plurality of aluminum foil shielding layer two 7, the inside of the aluminum foil shielding layer two 7 is fixedly connected with two conductor insulation layer one 8, the inside of the conductor insulation layer one 8 is provided with an electric conductor one 9, the adjacent side of the aluminum foil shielding layer two 7 is fixedly connected with a cross isolation 10, the inside of the first layer of high temperature resistant protective sleeve layer 1 is provided with an optical fiber mechanism 2, and the optical fiber mechanism 2 is used for the transmission of optical fiber signal.
[0039] Specifically, in order to ensure the stability and safety of signal transmission, the inner wall of the network signal transmission line 3 is fixed with a high-temperature-resistant isolation belt 4, the inner side of the high-temperature-resistant isolation belt 4 is connected with a woven shielding layer 5 which can effectively prevent external electromagnetic interference, the inner wall of the woven shielding layer 5 is further fixed with an aluminum foil shielding layer 6 which can provide additional shielding effect to ensure the purity of the signal, and multiple aluminum foil shielding layers 7 are arranged on the inner side of the aluminum foil shielding layer 6, which further enhances the shielding effect, and each aluminum foil shielding layer 7 is fixedly connected with two conductor insulation layers 8 inside, which can protect the conductor from external influences, and the inside of the conductor insulation layer 8 is respectively provided with an electrical conductor 9 which is the direct carrier of signal transmission, and the cross isolation 10 helps to maintain the stability of the internal structure and isolate different parts.
[0040] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 3 The optical fiber mechanism 2 includes an optical fiber signal transmission line 201 which is arranged in the middle part of the inner side of the first high-temperature-resistant protective sleeve layer 1, the inner wall of the optical fiber signal transmission line 201 is fixedly connected with a high-temperature-resistant protective layer 202, the inner side of the high-temperature-resistant protective layer 202 is fixedly connected with aramid yarn 203, the inner side of the aramid yarn 203 is fixedly connected with a spiral armor tube 204, the inner side of the spiral armor tube 204 is provided with multiple optical fiber insulation skins 205, and the inner side of the optical fiber insulation skin 205 is fixedly connected with an optical fiber core 206.
[0041] Specifically, the optical fiber mechanism 2 ensures the stability and high-temperature-resistant performance of the optical fiber signal transmission line 201, the optical fiber signal transmission line 201 is arranged in the middle part of the inner side of the first high-temperature-resistant protective sleeve layer 1, which helps to protect the optical fiber from the influence of the external high-temperature environment, the inner wall of the optical fiber signal transmission line 201 is fixedly connected with a high-temperature-resistant protective layer 202, which further enhances the reliability of the optical fiber under extreme temperature conditions, the inner side of the high-temperature-resistant protective layer 202 is fixedly connected with an aramid yarn 203 which provides additional mechanical protection for the optical fiber, the spiral armor tube 204 not only enhances the pressure resistance of the optical fiber but also provides good bending resistance, and the optical fiber insulation skin 205 ensures that there is no electrical interference between the optical fiber cores 206 and provides further physical protection.
[0042] Please refer to the accompanying drawings Figure 2 - the accompanying drawings Figure 4 The inner side of the high-temperature-resistant protective sleeve layer 2 14 is fixedly connected with a high-temperature-resistant isolation belt 2 15, the inner side of the high-temperature-resistant isolation belt 2 15 is fixedly connected with a heat dissipation filling layer 16, the inner side of the heat dissipation filling layer 16 is provided with two conductor insulation layers 2 17, and the inside of the conductor insulation layer 2 17 is fixedly connected with an electrical conductor 2 18.
[0043] Specifically, the inner side of the high-temperature-resistant sheath layer two 14 is fixedly connected with the high-temperature-resistant isolation belt two 15, which not only has excellent heat resistance, but also has an inner side fixedly connected with a high-efficiency heat dissipation filling layer 16. The inner side of the heat dissipation filling layer 16 is specially provided with two conductor insulation layers two 17, which can not only provide necessary insulation protection, but also ensure the stable operation of the internal electric conductor two 18. Each conductor insulation layer two 17 is fixedly connected with an electric conductor two 18, which is a key part of the entire system for transmitting current to ensure efficient and safe transmission of current.
[0044] Please refer to the attached Figure 1 - attached Figure 3 The inner right side of the first high-temperature-resistant protective sleeve layer 1 is provided with a power transmission line 13, the outer wall of the first high-temperature-resistant protective sleeve layer 1 is fixedly connected with a second hollow insulation layer 11, the outer wall of the second hollow insulation layer 11 is fixedly connected with a third silica gel sheath layer 12, and the inner wall of the power transmission line 13 is fixedly connected with a high-temperature-resistant sheath layer two 14.
[0045] Specifically, the inner right side of the first high-temperature-resistant protective sleeve layer 1 is arranged with a power transmission line 13 to ensure that it can work stably in a high-temperature environment. In order to further enhance the protection effect, the outer wall of the first high-temperature-resistant protective sleeve layer 1 is connected with a second hollow insulation layer 11, which not only provides additional insulation protection, but also has an outer wall closely connected with a third silica gel sheath layer 12, forming a solid protection structure that improves the overall temperature resistance and enhances the protection of the power transmission line 13. In order to ensure the safety of the power transmission line 13 in extreme temperatures, the inner wall of the power transmission line 13 is also fixedly connected with a high-temperature-resistant sheath layer two 14, thereby providing double high-temperature protection for the power transmission line 13.
[0046] Working principle: the first layer of high temperature resistant protective sleeve layer 1 can resist high temperature environment, prevent internal components from being damaged due to high temperature, ensure the normal operation of the cable in high temperature place, then the network signal transmission line 3 connected inside the first layer of high temperature resistant protective sleeve layer 1 is responsible for the efficient transmission of network signal, guarantees the stable and fast transmission of data, meets the demand of high speed network connection, the existence of high temperature resistant isolation belt one 4 can further enhance the blocking and isolation effect of high temperature on the basis of the first layer of high temperature resistant protective sleeve layer 1, provide more reliable high temperature protection for the internal network signal transmission line 3, ensure that they can work normally in the harsh high temperature environment, the braided shielding layer 5 can effectively block the interference of external electric field and magnetic field, reduce the noise in the process of signal transmission, at the same time, it can also prevent internal signal leakage and avoid interference to surrounding other equipment, the aluminum foil shielding layer one 6 has good electromagnetic shielding performance, which can further enhance the blocking ability of electromagnetic interference, and cooperates with the aluminum foil shielding layer two 7 to provide more reliable electromagnetic shielding environment for the internal network signal transmission and electrical conductor, the conductor insulation layer one 8 wraps the electrical conductor one 9, plays a good insulation role, prevents the electrical conductor one 9 from short circuit with surrounding other conductors, ensures the normal transmission of current in the electrical conductor one 9, guarantees the safe operation of electrical equipment, the cross isolation 10 separates multiple aluminum foil shielding layer two 7, which can maintain the relative position and independence between shielding layers, avoid mutual interference between shielding layers, and also helps to enhance the mechanical strength and stability of the cable to some extent, so that the cable is more reliable in laying and using process;
[0047] The connected high temperature resistant protective layer one 202 ensures that the whole cable assembly can still work normally in high temperature environment, prolongs its service life, the aramid yarn 203 makes the cable better withstand various external forces during laying and using process, reduces the cable failure caused by mechanical damage, guarantees the stability and reliability of optical fiber communication, and provides certain buffer and protection effect, the spiral armor pipe 204 can work with the aramid yarn 203 to bear tensile force together, improve the overall tensile strength of the cable, ensure that the cable can maintain good performance under various complex stress conditions, guarantee the stable operation of optical fiber communication, the optical fiber insulation skin 205 inside the spiral armor pipe 204 can effectively isolate external electric field, provide reliable electrical insulation protection for the optical fiber core 206, ensure the stable transmission of optical signal in the optical fiber core 206, and guarantee the quality of optical fiber communication.
[0048] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A multifunctional composite wire comprising a first layer of high temperature resistant protective jacket (1), characterized in that: The inner left side of the first layer high-temperature-resistant protective sleeve layer (1) is provided with a network signal transmission line (3), the inner wall of the network signal transmission line (3) is fixedly connected with a high-temperature-resistant isolation belt one (4), the inner side of the high-temperature-resistant isolation belt one (4) is fixedly connected with a woven shielding layer (5), the inner wall of the woven shielding layer (5) is fixedly connected with an aluminum foil shielding layer one (6), the inner side of the aluminum foil shielding layer one (6) is provided with a plurality of aluminum foil shielding layers two (7), the inside of the aluminum foil shielding layer two (7) is fixedly connected with two conductor insulation layers one (8), the inside of the conductor insulation layer one (8) is provided with an electric conductor one (9), the adjacent side of the aluminum foil shielding layer two (7) is fixedly connected with a cross isolation (10), the inside of the first layer high-temperature-resistant protective sleeve layer (1) is provided with an optical fiber mechanism (2), and the optical fiber mechanism (2) is used for optical fiber signal transmission.
2. The multifunctional composite thread of claim 1, wherein: The optical fiber mechanism (2) comprises an optical fiber signal transmission line (201), the optical fiber signal transmission line (201) is arranged in the inner side of the first layer high-temperature-resistant protective sleeve layer (1), the inner wall of the optical fiber signal transmission line (201) is fixedly connected with a high-temperature-resistant protective layer one (202), the inner side of the high-temperature-resistant protective layer one (202) is fixedly connected with aramid yarn (203), the inner side of the aramid yarn (203) is fixedly connected with a spiral armor tube (204), the inner side of the spiral armor tube (204) is provided with a plurality of optical fiber insulation skins (205), and the inner side of the optical fiber insulation skin (205) is fixedly connected with an optical fiber core (206).
3. The multifunctional composite thread of claim 1, wherein: The outer wall of the first layer high-temperature-resistant protective sleeve layer (1) is fixedly connected with a second layer hollow insulation layer (11), and the outer wall of the second layer hollow insulation layer (11) is fixedly connected with a third layer silica gel sheath layer (12).
4. The multifunctional composite thread of claim 1, wherein: The inner right side of the first layer high-temperature-resistant protective sleeve layer (1) is provided with a power transmission line (13).
5. The multifunctional composite thread of claim 4, wherein: The inner wall of the power transmission line (13) is fixedly connected with a high-temperature-resistant sheath layer two (14).
6. A multifunctional composite thread according to claim 5, characterized in that: The inner side of the high-temperature-resistant sheath layer two (14) is fixedly connected with a high-temperature-resistant isolation belt two (15).
7. The multifunctional composite thread of claim 6, wherein: The inner side of the high-temperature-resistant isolation belt two (15) is fixedly connected with a heat dissipation filling layer (16).
8. The multifunctional composite thread of claim 7, wherein: The inner side of the heat dissipation filling layer (16) is provided with two conductor insulation layers two (17), and the inside of the conductor insulation layer two (17) is fixedly connected with an electric conductor two (18).
Citation Information
Patent Citations
Multifunctional composite wire harness
CN220913932U