Compact structure ribbon cable

Abstract

The application belongs to the technical field of power devices for smart grid, and discloses a compact structure strip cable, which is used as a power component in the smart grid and has multiple electric units, characterized in that: the strip cable further has two same strip parts, the first strip part is embedded with the second strip part to form a cable core with a rectangular cross section after vertical and horizontal turning, and the multiple electric units are distributed in the strip parts along the extension direction of the strip parts. The application has the following main beneficial technical effects: easy manufacturing, easy forming, stable and reliable structure, high core density, easy construction and easy inspection.

Description

Technical Field

[0001] This invention belongs to the technical field of power devices for smart grids, and in particular discloses a compact strip cable. Background Technology

[0002] With the growth in electricity demand, there is an increasing need for cables with multiple cores and high-density electrical units. However, existing ribbon cables are not suitable for the needs of smart grids.

[0003] On the other hand, with the constraints of space and pipeline resources and the increase in rental costs, stakeholders have higher and higher requirements for resource utilization. Therefore, square-section pipes and cables are being widely promoted and used. Compared with circular pipes and cables, they have higher space utilization, less space waste, and lower costs.

[0004] CN202887806U discloses a special flexible branched ribbon cable, comprising multiple three-core cables, each consisting of three conductors, each conductor being wrapped with an insulation layer. The three insulated conductors are twisted together and then covered with a sheath layer. The multiple three-core cables are branched at different lengths by bending. The non-bending portions of the multiple three-core cables are braided with polyester filaments as warp and weft. This cable has a less compact structure, slow production speed, and low construction and inspection efficiency.

[0005] CN117348180A discloses a ribbon optical cable comprising a light transmission body and a protective shell. The light transmission body consists of 2N or 2N+1 optical fiber ribbons, each of which is an integral structure containing multiple optical fibers. Each optical fiber ribbon is composed of mutually perpendicular first and second bonding sections, and the first and second bonding sections of each optical fiber ribbon are symmetrical. The protective shell is formed by a first wall, a second wall, a third wall, and a fourth wall of equal wall thickness. The protective shell is a closed tetrahedral structure, and its interior has a shell cavity with a square cross-section. While it increases the fiber core density by using optical fiber ribbons with single right-angle bends, making it suitable for square conduits, it is overly complex, with an excessive number of optical fiber ribbons, making management and maintenance difficult. Furthermore, the core count of a single optical fiber ribbon needs improvement, as does the overall manufacturing speed of the product. Summary of the Invention

[0006] To address the aforementioned problems, the present invention aims to disclose a compact strip cable, which is achieved using the following technical solution.

[0007] A compact strip cable, used as a power component in a smart grid, has multiple electrical units and two identical strip components. The first strip component is vertically and horizontally flipped and then interlocked with the second strip component to form a cable core with a rectangular cross-section. The multiple electrical units are distributed within the strip component along its extension direction.

[0008] The aforementioned compact ribbon cable has an electrical unit consisting of a conductor and an insulating layer covering the conductor, or the electrical unit is a conductor and adjacent electrical units do not contact each other.

[0009] The aforementioned compact structure ribbon cable has four interlocking points between the first ribbon component and the second ribbon component.

[0010] The aforementioned compact strip cable comprises a strip body, which is composed of a first body, a second body, a third body, a fourth body, and a fifth body connected sequentially. The cross-section of each of the first to fifth bodies is rectangular. The upper right surface of the first body is connected to the left surface of the second body; the right surface of the second body is connected to the upper left surface of the third body; the lower left surface of the third body is connected to the left surface of the fourth body; and the lower surface of the fourth body is connected to the upper surface of the fifth body. The right surfaces of the first, fourth, and fifth bodies are in the same plane, as are the left surfaces of the third, fourth, and fifth bodies. The first and third bodies are parallel, as are the second, fourth, and fifth bodies. The first body is perpendicular to the second body. The four bodies form an open cavity. The opening is located below the lower right surface of the first body. The upper and lower surfaces of the strip-shaped body are parallel, and the left and right surfaces of the strip-shaped body are parallel. The space enclosed by the lower surface of the first body, the left surface of the strip-shaped body, the lower surface of the strip-shaped body, and the left surface of the fourth body is the first space. The space enclosed by the right surface of the fifth body, the lower surface of the fifth body, the lower surface of the third body, and the right surface of the third body is the second space. The second body, the fourth body, and the fifth body are of equal length. The height of the first body is less than the height of the third body. The height of the first body is greater than the height of the second body. The height of the third body is greater than the height of the fourth body. The difference between the height of the third body and the height of the fourth body is greater than the height of the first body.

[0011] In the aforementioned compact structure ribbon cable, the fourth and fifth bodies of the first ribbon component are embedded in the inner cavity of the second ribbon component, forming a first fitting; the fourth and fifth bodies of the second ribbon component are embedded in the inner cavity of the first ribbon component, forming a second fitting; the lower end of the first body of the second ribbon component is embedded in the second space of the first ribbon component, forming a third fitting; and the lower end of the first body of the first ribbon component is embedded in the second space of the second ribbon component, forming a fourth fitting.

[0012] The aforementioned compact strip cable comprises a strip body, which is composed of a first body, a second body, a third body, a fourth body, a fifth body, and a sixth body connected sequentially. The cross-section of each of the first to sixth bodies is rectangular. The upper right surface of the first body is connected to the left surface of the second body; the right surface of the second body is connected to the upper left surface of the third body; the lower left surface of the third body is connected to the left surface of the fourth body; the left surface of the fourth body is connected to the upper right surface of the sixth body; and the lower right surface of the sixth body is connected to the left surface of the fifth body. The right surfaces of the first body and the left surfaces of the sixth body are in the same plane, as are the left surfaces of the fourth body and the right surfaces of the sixth body. The left surface of the third body, the right surface of the fourth body, and the right surface of the fifth body are in the same plane; the lower surface of the fourth body and the lower surface of the third body are in the same plane; the upper surface of the sixth body and the upper surface of the fourth body are in the same plane; the first body, the third body, and the sixth body are parallel; the second body, the fourth body, and the fifth body are parallel; the first body and the second body are perpendicular; the first to fourth bodies and the sixth body together form an inner cavity with an opening. The opening is located below the lower right surface of the first body. The upper and lower surfaces of the strip-shaped body are parallel, and the left and right surfaces of the strip-shaped body are parallel. The space enclosed by the lower surface of the first body, the left surface of the strip-shaped body, the lower surface of the strip-shaped body, and the left surface of the sixth body is the first space. The space enclosed by the upper, lower, and right surfaces of the fifth body and the right surface of the third body is the second space. The space enclosed by the upper surface of the fifth body, the right surface of the sixth body, the lower surface of the fourth body, and the right surface of the third body is the third space. The fourth and fifth bodies are of equal length. The length of the second body is equal to the sum of the lengths of the sixth and fourth bodies. The height of the first body is less than the height of the third body. The height of the first body is greater than the height of the second body. The height of the third body is greater than the height of the fourth body. The difference between the heights of the third and fourth bodies is greater than the height of the first body. The height of the sixth body is greater than the height of the fourth body. The height of the sixth body is greater than the height of the fifth body.

[0013] A compact structure ribbon cable as described above, the fifth body, sixth body, and fourth body of the first ribbon component are embedded in the inner cavity of the second ribbon component; the fifth body, sixth body, and fourth body of the second ribbon component are embedded in the inner cavity of the first ribbon component; the lower surface of the first body of the second ribbon component is in the same plane as the upper surface of the fifth body of the first ribbon component, and the lower surface of the first body of the first ribbon component is in the same plane as the upper surface of the fifth body of the second ribbon component. The upper surface of the fourth body of the second ribbon component is in close contact with the upper surfaces of the sixth body and the fourth body of the first ribbon component, and the upper surface of the fourth body of the first ribbon component is in close contact with the upper surfaces of the sixth body and the fourth body of the second ribbon component.

[0014] A compact structure ribbon cable as described above, the first to third bodies, the fifth and sixth bodies have electrical units; the fourth body does not have electrical units or has electrical units or has multiple signal transmission units, and the signal transmission units are insulated wires or optical fibers, or part are insulated wires and part are optical fibers; or it is an optical fiber ribbon.

[0015] In this application, the ribbon body of the ribbon component is a deformed zigzag structure. Through ingenious deformation, the two ribbon components are combined into a rectangular cross-section structure, making full use of space, increasing the core density, and being easy for assembly, production, construction, and inspection, etc.

[0016] This application has the following main beneficial technical effects: easy to manufacture, easy to form, stable and reliable structure, high core density, easy for construction and inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic cross-sectional structure diagram of the ribbon component used in Example 1 after removing the electrical unit.

[0018] Figure 2 Schematic cross-sectional structure diagram of the ribbon component used in Example 1.

[0019] Figure 3 For Figure 2 Schematic cross-sectional structure diagram after vertical and horizontal flipping.

[0020] Figure 4 Schematic cross-sectional structure diagram of Example 1.

[0021] Figure 5 Schematic cross-sectional structure diagram of the ribbon component used in Example 2 after removing the electrical unit.

[0022] Figure 6 Schematic cross-sectional structure diagram of the ribbon component used in Example 2.

[0023] Figure 7 This is a schematic diagram of the cross-sectional structure for implementing Example 2.

[0024] Figure 8 A schematic diagram of the cross-sectional structure for implementing Example 3. Detailed Implementation

[0025] To enable those skilled in the art to better understand and implement this patent, the markings in the accompanying drawings are explained in detail below.

[0026] In the figure: 1—strip component, 2—electrical unit, 3—signal transmission unit, 11—first body, 12—second body, 13—third body, 14—fourth body, 15—fifth body, 16—sixth body, 101—inner cavity, 102—first space, 103—second space, 104—third space, 1010—opening.

[0027] Implementation Example 1: Please see Figures 1 to 4 A compact structure ribbon cable has multiple electrical units 2 and two identical ribbon components 1. The first ribbon component 1 is vertically and horizontally flipped and then fitted with the second ribbon component 1 to form a cable core with a rectangular cross-section. The first ribbon component 1 and the second ribbon component 1 have four fittings. The multiple electrical units 2 are distributed in the ribbon component 1 along the extension direction of the ribbon component 1.

[0028] The aforementioned compact structure ribbon cable comprises a ribbon component 1 consisting of a ribbon body, which is composed of a first body 11, a second body 12, a third body 13, a fourth body 14, and a fifth body 15 connected sequentially. The cross-sections of the first to fifth bodies are all rectangular. The upper right surface of the first body 11 is connected to the left surface of the second body 12, the right surface of the second body 12 is connected to the upper left surface of the third body 13, and the lower left surface of the third body 13 is connected to the left surface of the fourth body 14. The fourth body 15... The lower surface of the first body 11 is connected to the upper surface of the fifth body 15. The right surface of the first body 11, the left surface of the fourth body 14, and the left surface of the fifth body 15 are in the same plane. The left surface of the third body 13, the right surface of the fourth body 14, and the right surface of the fifth body 15 are in the same plane. The first body 11 and the third body 13 are parallel. The second body 12, the fourth body 14, and the fifth body 15 are parallel. The first body 11 and the second body 12 are perpendicular. The first to fourth bodies form an inner cavity 101 with an opening 1010. Opening 1010 is located below the lower right surface of the first body 11. The upper and lower surfaces of the strip-shaped body are parallel, and the left and right surfaces of the strip-shaped body are parallel. The space enclosed by the lower surface of the first body 11, the left surface of the strip-shaped body, the lower surface of the strip-shaped body, and the left surface of the fourth body 14 is the first space 102. The space enclosed by the right surface of the fifth body 15, the lower surface of the fifth body 15, the lower surface of the third body 13, and the right surface of the third body 13 is the second space 103. See Figure 1 The second body 12, the fourth body 14, and the fifth body 15 are of equal length. The height of the first body 11 is less than the height of the third body 13. The height of the first body 11 is greater than the height of the second body 12. The height of the third body 13 is greater than the height of the fourth body 14. The difference between the height of the third body 13 and the height of the fourth body 14 is greater than the height of the first body 11.

[0029] In the aforementioned compact structure ribbon cable, the fourth body 14 and the fifth body 15 of the first ribbon component 1 are embedded in the inner cavity 101 of the second ribbon component 1, forming a first fitting; the fourth body 14 and the fifth body 15 of the second ribbon component 1 are embedded in the inner cavity 101 of the first ribbon component 1, forming a second fitting; the lower end of the first body 11 of the second ribbon component 1 is embedded in the second space 103 of the first ribbon component 1, forming a third fitting; and the lower end of the first body 11 of the first ribbon component 1 is embedded in the second space 103 of the second ribbon component 1, forming a fourth fitting.

[0030] The aforementioned compact ribbon cable has an electrical unit 2 consisting of a conductor and an insulating layer covering the conductor, or the electrical unit 2 is a conductor and adjacent electrical units 2 do not contact each other.

[0031] Implementation Example 2: Please see Figures 5 to 7 and refer to Figures 1 to 4 A compact structure ribbon cable has multiple electrical units 2 and two identical ribbon components 1. The first ribbon component 1 is vertically and horizontally flipped and then fitted with the second ribbon component 1 to form a cable core with a rectangular cross-section. The multiple electrical units 2 are distributed within the ribbon component 1 along the extension direction of the ribbon component 1.

[0032] The aforementioned compact strip cable comprises a strip component 1 consisting of a strip body, which is composed of a first body 11, a second body 12, a third body 13, a fourth body 14, a fifth body 15, and a sixth body 16 connected sequentially. The cross-sections of the first to sixth bodies are all rectangular. The upper right surface of the first body 11 is connected to the left surface of the second body 12; the right surface of the second body 12 is connected to the upper left surface of the third body 13; the lower left surface of the third body 13 is connected to the left surface of the fourth body 14; the left surface of the fourth body 14 is connected to the upper right surface of the sixth body 16; and the lower right surface of the sixth body 16 is connected to the left surface of the fifth body 15. The right surfaces of the first body 11 and the left surfaces of the sixth body 16 are in the same plane, as are the left surfaces of the fourth body 14 and the right surfaces of the sixth body 16. The left surface of the third body 13, the right surface of the fourth body 14, and the right surface of the fifth body 15 are in the same plane. The lower surface of the fourth body 14 and the lower surface of the third body 13 are in the same plane. The upper surface of the sixth body 16 and the upper surface of the fourth body 14 are in the same plane. The first body 11, the third body 13, and the sixth body 16 are parallel. The second body 12, the fourth body 14, and the fifth body 15 are parallel. The first body 11 and the second body 12 are perpendicular. The first to fourth bodies and the sixth body together form an inner cavity 101 with an opening 1010. Opening 1010 is located below the lower right surface of the first body 11. The upper and lower surfaces of the strip-shaped body are parallel, and the left and right surfaces of the strip-shaped body are parallel. The space enclosed by the lower surface of the first body 11, the left surface of the strip-shaped body, the lower surface of the strip-shaped body, and the left surface of the sixth body 16 is the first space 102. The space enclosed by the upper, lower, and right surfaces of the fifth body 15 and the right surface of the third body 13 is the second space 103. The space enclosed by the upper surface of the fifth body 15, the right surface of the sixth body 16, the lower surface of the fourth body 14, and the right surface of the third body 13 is the third space 104. See [link to relevant documentation]. Figure 5The lengths of the fourth body 14 and the fifth body 15 are equal. The length of the second body 12 is equal to the sum of the lengths of the sixth body 16 and the fourth body 14. The height of the first body 11 is less than the height of the third body 13. The height of the first body 11 is greater than the height of the second body 12. The height of the third body 13 is greater than the height of the fourth body 14. The difference between the height of the third body 13 and the height of the fourth body 14 is greater than the height of the first body 11. The height of the sixth body 16 is greater than the height of the fourth body 14. The height of the sixth body 16 is greater than the height of the fifth body 15.

[0033] The aforementioned compact strip cable comprises a fifth body 15, a sixth body 16, and a fourth body 14 of a first strip component 1 embedded within the inner cavity 101 of a second strip component 1; the lower surface of the first body 11 of the second strip component 1 is in the same plane as the upper surface of the fifth body 15 of the first strip component 1, and the upper surface of the fourth body 14 of the second strip component 1 is in close contact with the upper surfaces of the sixth body 16 and the upper surface of the fourth body 14 of the first strip component 1.

[0034] In this embodiment, the fourth body 14 does not have an electrical unit.

[0035] Implementation Example 3: Please see Figure 8 and refer to Figures 5 to 7 A compact ribbon cable, basically the same as embodiment 2, except that: the fourth body 14 also has multiple signal transmission units 3, which can be insulated wires or optical fibers, or partly insulated wires and partly optical fibers; or optical fiber ribbons.

[0036] In this application, the electrical unit 2 is distributed within the first to fifth bodies, or within the first to sixth bodies, or within the first to fifth bodies outside the fourth body, or within the first to sixth bodies outside the fourth body. That is, the fourth body may not have an electrical unit but may have a signal transmission unit 3. Of course, the electrical unit 2 can also be replaced by an optical fiber, or the electrical unit 2 can be replaced by an optical fiber ribbon in the form of a ribbon. This method greatly increases the number of cores in the optical fiber ribbon, and is not limited to the maximum number of cores of 12 or 24 recommended in the prior art. The recommended number refers to YD / T 981, the recommended standard of the communications industry of the People's Republic of China, etc.

[0037] In this application, in Embodiment 1, the two first strip-shaped components 1 are tightly interlocked to form a tightly packed rectangular cross-section cable core, eliminating wasted space and making full use of the available space. In Embodiments 2 and 3, the two first strip-shaped components 1 are interlocked to form a rectangular cross-section cable core, with two rectangular cross-section third spaces 104 within the cable core. These two third spaces 104 are located on the left and right sides of the cable core and are staggered vertically. Compared to Embodiment 1, this structure, due to the presence of the third spaces 104, provides better heat dissipation for the electrical unit 2 within the strip-shaped component. Furthermore, the third spaces 104 allow for convenient removal of the electrical unit 2 and signal transmission unit 3 from the strip-shaped component 1. (See [link to related document]). Figure 8 Whether it is the first strip component 1 or the second strip component 1, the internal electrical unit 2 and signal transmission unit 3 can be easily removed through the surrounding area and the third space 104 without disassembly, thus ensuring the integrity of the product structure and the speed of construction and inspection.

[0038] Existing fiber optic ribbon forming equipment typically has limited space, with finite length and width. Therefore, it is generally impossible to produce more than 12 fiber optic ribbons in a row at once. A 24-core fiber optic ribbon is formed by splicing two 12-core fiber optic ribbons together, which can easily cause performance instability at the splice point. However, the ribbon component in this application makes full use of the forming space of the fiber optic ribbon forming equipment and can be formed in one step when used as a fiber optic ribbon.

[0039] When used as a power transmission component, it is easier to achieve through extrusion of the sheath, and even a hole is reserved at the position of the electrical unit 2, which can be inserted as needed during use, greatly improving flexibility.

[0040] In this application, the cross-section of the strip component is close to that of a rectangle, which makes it very easy to store and stack, saving space resources, and is also quite neat and beautiful.

[0041] The two identical strip-shaped components described in this application mainly refer to their shape, size, and dimensions. Their strip-shaped bodies can have different colors, making them easier to distinguish and identify.

[0042] In this application, at least one functional protective layer can be added to the outside of the compact structure ribbon cable, such as tensile, compressive, fireproof, and flame-retardant functions. Multiple protective functions can be formed through the combination of multiple layers.

[0043] In this application, multiple compact structure ribbon cables can be combined horizontally, overlappingly, or in combination with horizontal and overlapping structures to form a composite cable core, based on the aforementioned compact structure ribbon cable. At least one functional protective layer can be added outside the composite cable core, such as tensile strength, compressive strength, fire resistance, and flame retardancy. Multiple protective functions can be formed through multi-layer cooperation.

[0044] The compact structure ribbon cable described in this application has a one-piece ribbon body.

[0045] The compact structure ribbon cable described in this application is preferably made of plastic or composite material with high hardness after molding.

[0046] In this application, the cable core will not unravel during twisting, coiling, or repeated bending under normal testing conditions or normal usage conditions; that is, the first strip component 1 and the second strip component 1 will not separate from each other. Normal usage conditions include general construction, dragging, and swinging. The normal testing range refers to the general testing requirements for cables or optical cables, not destructive testing requirements.

[0047] A compact ribbon cable, wherein the conductor is made of copper or aluminum alloy and the ribbon body is made of cross-linked polyethylene insulation material.

[0048] In this application, the core density is increased by using strip-shaped components or strip-shaped bodies with three or five right-angle bends. The structure of the strip-shaped components or strip-shaped bodies allows two strip-shaped components or strip-shaped bodies to interlock or fit together to form a cable core with a rectangular cross-section. When there are three right-angle bends, there is no waste of extra cavities inside the cable core. When there are five right-angle bends, two third spaces are formed on the left and right sides and staggered vertically. Through the third spaces and the surrounding spaces, the strip-shaped components or strip-shaped bodies do not need to be separated to access the internal electrical units or signal transmission units, thereby improving the efficiency of inspection, testing, and construction.

[0049] The cable in this application is suitable for and adapted to square conduits, maximizing the use of conduit space and reducing overall costs.

[0050] This application has the following main beneficial technical effects: easy to manufacture, easy to form, stable and reliable structure, high core density, easy construction and easy inspection.

[0051] The cable in this application may have an aluminum alloy conductor, hence it may be called an aluminum alloy power cable. Due to the effective electrical isolation of the strip body, it can transmit very high power levels, hence it may also be called a high voltage or ultra-high voltage cable. In this application, when the material of the strip body is plastic, cross-linked polyethylene insulation material is preferred, hence it may also be called a cross-linked polyethylene insulated power cable.

[0052] When optical fiber is present in this application, it can be used as a smart sensor or smart sensing element; since it can transmit voice and images, it can also be used as a physical sensor, such as a voice sensor or an image sensor; since it transmits light signals through the principle of total internal reflection, it can also be used as a distance sensor; the optical fiber in this application is itself an optical waveguide, so it can be used as an optical waveguide, such as an arrayed optical waveguide or a diffractive optical waveguide; this application can also be used in the field of optical computing, as part of optical chip computing, optical computing, optical network computing, and optical computing.

[0053] In this application, when both conductors and optical fibers are present, they can be used simultaneously for power transmission and rapid power dispatch, and therefore can be used in smart grids as power components in smart grids.

[0054] The above embodiments are merely preferred technical solutions of the present invention and should not be considered as limitations on the present invention. The scope of protection of the present invention should be limited to the technical solutions described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A compact ribbon cable having multiple electrical units, characterized in that: It also has two identical strip-shaped components. The cross-section of the strip-shaped components is a deformed "I" structure. The first strip-shaped component is vertically and horizontally flipped and then interlocked with the second strip-shaped component to form a cable core with a rectangular cross-section. Multiple electrical units are distributed in the strip-shaped components along the extension direction of the strip-shaped components. The electrical unit is composed of a conductor and an insulating layer covering the conductor, or the electrical unit is a conductor and adjacent electrical units do not contact each other; the first strip component and the second strip component have four interlocking points; The strip-shaped component is composed of a strip-shaped body, which is made up of a first body, a second body, a third body, a fourth body, and a fifth body connected in sequence. The cross-section of each of the first to fifth bodies is rectangular. The upper right surface of the first body is connected to the left surface of the second body; the right surface of the second body is connected to the upper left surface of the third body; the lower left surface of the third body is connected to the left surface of the fourth body; and the lower surface of the fourth body is connected to the upper surface of the fifth body. The right surfaces of the first, fourth, and fifth bodies are in the same plane, as are the left surfaces of the third, fourth, and fifth bodies. The first and fourth bodies are parallel, as are the second, fourth, and fifth bodies. The first body is perpendicular to the second body. The four bodies together form an open cavity. The opening is located below the lower right surface of the first body. The upper and lower surfaces of the strip-shaped body are parallel, and the left and right surfaces of the strip-shaped body are parallel. The space enclosed by the lower surface of the first body, the left surface of the strip-shaped body, the lower surface of the strip-shaped body, and the left surface of the fourth body is the first space. The space enclosed by the right surface of the fifth body, the lower surface of the fifth body, the lower surface of the third body, and the right surface of the third body is the second space. The second body, the fourth body, and the fifth body are of equal length. The height of the first body is less than the height of the third body. The height of the first body is greater than the height of the second body. The height of the third body is greater than the height of the fourth body. The difference between the height of the third body and the height of the fourth body is greater than the height of the first body.

2. The compact ribbon cable according to claim 1, characterized in that: The fourth and fifth bodies of the first strip component are embedded in the inner cavity of the second strip component, forming a first fitting; the fourth and fifth bodies of the second strip component are embedded in the inner cavity of the first strip component, forming a second fitting; the lower end of the first body of the second strip component is embedded in the second space of the first strip component, forming a third fitting; the lower end of the first body of the first strip component is embedded in the second space of the second strip component, forming a fourth fitting.

3. A compact ribbon cable having multiple electrical units, characterized in that: It also has two identical strip-shaped components. The cross-section of the strip-shaped components is a deformed "I" structure. The first strip-shaped component is vertically and horizontally flipped and then interlocked with the second strip-shaped component to form a cable core with a rectangular cross-section. Multiple electrical units are distributed in the strip-shaped components along the extension direction of the strip-shaped components. The strip-shaped component is composed of a strip-shaped body, which is composed of a first body, a second body, a third body, a fourth body, a fifth body, and a sixth body connected in sequence. The cross-section of each of the first to sixth bodies is rectangular. The upper right surface of the first body is connected to the left surface of the second body; the right surface of the second body is connected to the upper left surface of the third body; the lower left surface of the third body is connected to the left surface of the fourth body; the left surface of the fourth body is connected to the upper right surface of the sixth body; and the lower right surface of the sixth body is connected to the left surface of the fifth body. The right surfaces of the first body and the left surfaces of the sixth body are in the same plane, as are the left surfaces of the fourth body and the right surfaces of the sixth body. The left surface of the third body, the right surface of the fourth body, and the right surface of the fifth body are in the same plane; the lower surface of the fourth body and the lower surface of the third body are in the same plane; the upper surface of the sixth body and the upper surface of the fourth body are in the same plane; the first body, the third body, and the sixth body are parallel; the second body, the fourth body, and the fifth body are parallel; the first body and the second body are perpendicular; the first to fourth bodies and the sixth body together form an inner cavity with an opening. The opening is located below the lower right surface of the first body. The upper and lower surfaces of the strip-shaped body are parallel, and the left and right surfaces of the strip-shaped body are parallel. The space enclosed by the lower surface of the first body, the left surface of the strip-shaped body, the lower surface of the strip-shaped body, and the left surface of the sixth body is the first space. The space enclosed by the upper, lower, and right surfaces of the fifth body and the right surface of the third body is the second space. The space enclosed by the upper surface of the fifth body, the right surface of the sixth body, the lower surface of the fourth body, and the right surface of the third body is the third space. The fourth and fifth bodies are of equal length. The length of the second body is equal to the sum of the lengths of the sixth and fourth bodies. The height of the first body is less than the height of the third body. The height of the first body is greater than the height of the second body. The height of the third body is greater than the height of the fourth body. The difference between the heights of the third and fourth bodies is greater than the height of the first body. The height of the sixth body is greater than the height of the fourth body. The height of the sixth body is greater than the height of the fifth body.

4. A compact ribbon cable according to claim 3, characterized in that: The fifth, sixth, and fourth bodies of the first strip component are embedded in the inner cavity of the second strip component; the fifth, sixth, and fourth bodies of the second strip component are embedded in the inner cavity of the first strip component; the lower surface of the first body of the second strip component is in the same plane as the upper surface of the fifth body of the first strip component, the upper surface of the fourth body of the second strip component is in close contact with the upper surfaces of the sixth and fourth bodies of the first strip component, and the upper surface of the fourth body of the first strip component is in close contact with the upper surfaces of the sixth and fourth bodies of the second strip component.

5. A compact ribbon cable according to claim 4, characterized in that: The first to third bodies, the fifth and sixth bodies contain electrical units; the fourth body may not contain electrical units, or may contain electrical units or have multiple signal transmission units, the signal transmission units being insulated wires or optical fibers, or partially insulated wires and partially optical fibers; or optical fiber ribbons; the electrical units are composed of conductors and insulating layers covering the conductors, or the electrical units are conductors and adjacent electrical units do not contact each other.

6. A compact ribbon cable according to claim 5, characterized in that: The strip-shaped body is a one-piece structure.

7. A compact ribbon cable according to claim 1 or claim 5, characterized in that: The conductor is made of copper or aluminum alloy, and the strip body is made of cross-linked polyethylene insulation material.

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