Combined prefabricated cabin wiring device and method

Abstract

The invention belongs to the technical field of combined prefabricated cabin equipment, and particularly discloses wiring equipment and method for a combined prefabricated cabin, and the equipment comprises a wiring main channel and wiring branch channels. The main wiring channels are arranged on the walls of all the cabin sections of the combined prefabricated cabin, one end of each main wiring channel is connected with a distribution box arranged on the side cabin section of the combined prefabricated cabin, and the other end of each main wiring channel extends downwards to the bottom of the corresponding cabin section and surrounds the periphery of the combined prefabricated cabin. The wiring branch channels are arranged on the walls of all the cabin sections of the combined prefabricated cabin, one end of each branch of each wiring branch channel is connected with an equipment junction box of one electrical element located on one cabin section, and the other end of each branch of each wiring branch channel extends downwards to the bottom of the cabin section and is communicated with the wiring main channel located on the cabin section in a converging mode. According to the wiring equipment and method for the combined prefabricated cabin, the primary and secondary wiring structure is clear, machining is easy, the standardization degree is high, later overhaul and maintenance are facilitated, and the production, manufacturing and construction efficiency can be improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of combined prefabricated cabin equipment, and in particular relates to a wiring device and method for a combined prefabricated cabin. Background Art

[0002] Due to the limitations of road transportation conditions, modular prefabricated cabins usually adopt modular design, multi-section transportation, and on-site assembly. After the structural splicing of multiple cabin sections is completed on site, the wiring of electrical equipment such as lighting, fans, and air conditioners between the cabin sections is complicated, the operation is difficult, and the construction efficiency is low. The existing prefabricated cabin wiring technology is mainly based on cabin roof mezzanine wiring and wall concealed pipe wiring; cabin roof mezzanine wiring requires high-altitude work, which is difficult to operate and has high safety risks; the wall concealed pipe wiring method has criss-cross pipes inside the wall, which is complicated to process, and open-mounted terminal boxes are required between the cabin sections, which has high production costs, many main line breakpoints, and low reliability. In addition, both of the above wiring methods have the problem of difficulty in later maintenance. An efficient and convenient modular prefabricated cabin wiring structure and method are needed to solve the above modular prefabricated cabin wiring problems. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the present invention provides a combined prefabricated cabin wiring device and method, which has a clearly defined primary and secondary wiring structure, is simple to process, has a high degree of standardization, is convenient for later inspection and maintenance, and can improve production and construction efficiency.

[0004] The present invention adopts the following technical solution.

[0005] In the first aspect, the present invention provides a combined prefabricated cabin wiring device, comprising: a main wiring channel and a branch wiring channel; the main wiring channel is arranged on the mast of each cabin section of the combined prefabricated cabin, and one end of the main wiring channel is connected to the distribution box arranged in the side cabin section of the combined prefabricated cabin, and the other end extends downward to the bottom of the cabin section and surrounds the four sides of the combined prefabricated cabin; the branch wiring channel is arranged on the mast of each cabin section of the combined prefabricated cabin, and the branch wiring channel is provided with a plurality of branches for connecting various electrical components, one end of each branch is connected to the equipment junction box of an electrical component located in a cabin section, and the other end extends downward to the bottom of the cabin section, and is connected to the main wiring channel located in the cabin section.

[0006] Preferably, the main wiring channel includes: a distribution box wiring trough and a skirting line wiring trough; the distribution box wiring trough is vertically installed on the mast of the side cabin section, the upper opening of the distribution box wiring trough is communicated with the wire entry hole at the bottom of the distribution box, and the lower opening is communicated with the wire entry hole of the skirting line wiring trough; the skirting line wiring trough is installed at the bottom of the mast of each cabin section and surrounds the combined prefabricated cabin.

[0007] Preferably, the distribution box wiring trough and the skirting board wiring trough are both embedded in the interior of the mast, and the surfaces of the distribution box wiring trough and the skirting board wiring trough away from the embedded ends are flush with the inner surface of the mast.

[0008] Preferably, the skirting board wiring trough comprises: a skirting board wiring trough shell and a skirting board wiring trough cover; the skirting board wiring trough shell comprises a top plate, a side plate and a bottom plate, and the top plate and the bottom plate are both located on one side of the side plate, respectively connected to the upper end and the lower end of the side plate to form an opening; the top plate and the bottom plate are both provided with folded edges extending inward at one end away from the side plate, and the top plate and the bottom plate are both provided with a plurality of wire entry holes for the entry and exit of branch lines; the skirting board wiring trough cover is detachably mounted at the opening of the skirting board wiring trough shell.

[0009] Preferably, a bent piece is welded and fixed to the inner lower part of the skirting board wiring trough cover, and the bent piece and the inner surface of the skirting board wiring trough cover form a socket structure for being plugged and fixed with the folded edge of the bottom plate of the skirting board wiring trough shell; the upper part of the skirting board wiring trough cover is fixedly connected to the skirting board wiring trough shell by a combination of screws.

[0010] Preferably, a wire trough positioning piece is provided on the back of the skirting board wiring trough; the wire trough positioning piece includes a vertical part and a horizontal part, one side of the vertical part of the wire trough positioning piece is fixedly connected to the back of the skirting board wiring trough, and the bottom of the other side of the vertical part is connected to the horizontal part; the horizontal part is fixed on the base steel plate of the prefabricated cabin.

[0011] Preferably, the wiring trough of the distribution box comprises: a trough box shell and a trough box cover plate, the upper plate and the lower plate of the trough box shell are provided with curling edges, and screw holes are provided on the curling edges for detachably installing the wire trough box cover plate.

[0012] Preferably, the cabin wall of the prefabricated cabin comprises: an outer wall panel and an inner wall panel, and an interlayer is provided between the outer wall panel and the inner wall panel, and the interlayer is filled with thermal insulation material.

[0013] Preferably, the wiring branch channel includes: a wiring tube fixing frame and a wiring tube; the wiring tube fixing frame is arranged inside the mezzanine of the prefabricated cabin wall, and one side is fixedly connected to the inner wall of the exterior wall panel; a plurality of wiring tube fixing frames are horizontally arranged; the wiring tube is installed on the wiring tube fixing frame and is inside the mezzanine; one end of each wiring tube is connected to the equipment junction box of the electrical component, and the other end extends downward to be connected to the nearby skirting wiring groove.

[0014] Preferably, compartment columns are arranged around the connection between each compartment section of the prefabricated cabin and other compartment sections; one side of the compartment column is fixedly connected to the cabin mast, and the other side is provided with a connecting hole for connecting with another compartment column by bolts; a wire hole is provided at the bottom of the compartment column for passing the main cable across the cabin after the compartment sections are spliced.

[0015] Preferably, the inner surface of the joint between two adjacent cabin sections in the prefabricated cabin is provided with a cabin seam inner decorative panel, one side of which covers two cabin partition columns at the joint and is fixedly connected to the cabin masts on both sides of the cabin partition columns.

[0016] Preferably, an equipment installation lining is installed on the mast of the prefabricated cabin; the upper and lower ends of the equipment installation lining are provided with inwardly bent curled edges, and the curled edges are embedded in the interior of the mast; the internal cavity of the curled edge is filled with thermal insulation material; the side of the equipment installation lining away from the curled edge is flush with the inner surface of the mast for installing a distribution box.

[0017] In a second aspect, the present invention provides a wiring method for a modular prefabricated cabin, using the aforementioned modular prefabricated cabin wiring device, comprising the following steps:

[0018] During the in-factory production stage, the main cable is placed inside the main wiring channel, with one end connected to the distribution box and the other end reserved to wrap around the cabin, and cable labels are affixed to the main cable according to its function; the branch cables are arranged inside the wiring branch channels of each compartment of the prefabricated cabin, so that one end of each branch cable is connected to the equipment junction box of the corresponding electrical component, and passes through the wiring branch channels in accordance with the principle of "horizontal and vertical", and finally converges into the inside of the wiring main channel of the compartment; pre-press the terminal end of the branch cable with a quick-plug anti-breakage terminal and set a wire label;

[0019] During on-site construction, the various compartment sections of the prefabricated cabin are spliced, combined and fixed, and the reserved part of the main cable is arranged inside the main wiring channel of each compartment section, so that the main cable surrounds the combined prefabricated cabin; the branch cables are marked according to the labels, and the quick-plug and break-free wire terminals at their end points are crimped to the corresponding parts of the main cables to complete the wiring of the entire prefabricated cabin.

[0020] Compared with the prior art, the beneficial effect of the present invention is that the present invention makes the wiring structure clearly divided into primary and secondary by setting the main wiring channel and the wiring branch channel. At the same time, the main wiring channel is set at the bottom of the prefabricated cabin and arranged around the cabin; each branch of the wiring branch channel starts from the equipment junction box of each electrical equipment and converges to the main wiring channel without crossing each other, the lines are clear, and the pipe positions are traceable. It is not only convenient to carry out standardized design in the prefabrication stage in the factory, but also convenient to connect the branch cables to the main wiring channel through the wiring branch channel during on-site construction. Compared with the prior art, the operation difficulty is small, the processing is simple, the assembly is more convenient, and it is easy to maintain and repair in the later stage, which can greatly improve the efficiency of factory production and on-site construction.

[0021] Furthermore, the main wiring channel and the wiring branch channel of the present invention are both installed inside the mast in an embedded manner, and the side away from the embedded end is flush with the inner surface of the mast, making the wiring channel easy to disassemble and assemble, practical and not obtrusive, and convenient and quick for on-site construction and maintenance.

[0022] Furthermore, the color of the skirting wiring trough cover in the main wiring channel of the present invention can be selected, using the main color of the enterprise, taking into account both practicality and aesthetic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of the combined prefabricated cabin wiring device provided by the present invention;

[0024] Figure 2 The present invention provides Figure 1 A local enlarged schematic diagram of point A in FIG.

[0025] Figure 3 The present invention provides Figure 1 A partial enlarged schematic diagram of the column joint B in FIG.

[0026] Figure 4 A schematic side section diagram of a side tank in a combined prefabricated tank provided by the present invention;

[0027] Figure 5 The present invention provides Figure 4 A partial enlarged schematic diagram of the main channel area C of the side section of the side tank;

[0028] Figure 6 It is an isometric schematic diagram of a side compartment section in the combined prefabricated compartment provided by the present invention;

[0029] Figure 7 It is an isometric schematic diagram of another side compartment section in the combined prefabricated compartment provided by the present invention;

[0030] Figure 8 The present invention provides Figure 7 A partial enlarged schematic diagram of the interface D between the branch channel (wiring tube) and the main channel;

[0031] Fig. 9 The present invention provides Figure 7 A partial enlarged schematic diagram of the vertical and horizontal main channel interface E in FIG.

[0032] Fig.10 A schematic diagram of the structure of the skirting wiring trough provided by the present invention;

[0033] Fig.11 The present invention provides Fig. 9 A partial enlarged schematic diagram of the baseboard wiring slot socket F;

[0034] Fig.12 A schematic diagram of the main structure of the equipment installation liner provided by the present invention;

[0035] Fig.13 A schematic diagram of the side structure of the equipment installation liner provided by the present invention;

[0036] Fig.14 The structural diagram of the compartment column provided by the present invention is as follows Figure 1 ;

[0037] Fig.15 The structural diagram of the compartment column provided by the present invention is as follows Figure 2 ;

[0038] Fig.16 The present invention provides Fig.14 A partial enlarged schematic diagram of the wiring hole G of the compartment column.

[0039] Fig.17 A schematic diagram of the structure of the cabin joint inner decorative panel provided by the present invention;

[0040] Fig.18 The present invention provides Fig.17 Schematic diagram of HH section view.

[0041] Reference numerals in the figures:

[0042] 1- main wiring channel, 2- wiring branch channel, 3- distribution box, 4- equipment installation lining plate, 5- distribution box wiring trough, 6- skirting wiring trough, 7- compartment column, 8- wiring trough positioning piece, 9- insulation material, 10- exterior wall panel, 11- interior wall panel, 12- equipment junction box, 13- wiring tube, 14- wiring tube fixing frame, 15- cabin seam interior decorative panel, 601- skirting wiring trough shell, 602- skirting wiring trough cover. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the present invention clearer, the technical scheme of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The embodiments described in this application are only embodiments of a part of the present invention, rather than all embodiments. Based on the spirit of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the present invention.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present invention. As used herein, unless otherwise expressly specified in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof; for the convenience of description, if the words "upper", "lower", "left", "right", "front" and "rear" appear in the present invention, they only indicate that they are consistent with the upper, lower, left, right, front and rear directions of the drawings themselves, and do not limit the structure. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0045] Terminology explanation section: If the terms "install", "connect", "connect", "fixed" and the like appear in the present invention, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0046] Reference Figure 1 — Fig.18 Embodiment 1 of the present invention provides a combined prefabricated cabin wiring device.

[0047] like Figure 1 , Figure 2 As shown, the combined prefabricated cabin wiring equipment includes: a wiring main channel 1 and a wiring branch channel 2.

[0048] A distribution box 3 is provided on the inner wall panel of the cabin wall of the side cabin section in the combined prefabricated cabin (hereinafter referred to as the prefabricated cabin) near the safety door. The main wiring channel 1 is arranged on the mast of each cabin section of the combined prefabricated cabin, starting from the bottom of the distribution box 3 of the side cabin section, extending downward to the bottom of each cabin section, and surrounding the four sides of the combined prefabricated cabin to form the main circuit of the cables of the entire cabin; the wiring branch channel 2 is arranged on the mast of each cabin section of the combined prefabricated cabin; the wiring branch channel 2 is provided with a plurality of branches for connecting various electrical components. One end of each branch is connected to the equipment junction box 12 of an electrical component located on the cabin top and the cabin wall of a cabin section. The electrical components include: lighting, fan, air conditioner, panel switch, etc. The other end of each branch converges downward to the main wiring channel 1 located at the bottom of the prefabricated cabin in the shortest path, intersects and connects with the main circuit, and completes the closed loop of the entire cabin line.

[0049] Figure 4 It is a side section view of the side tank section parallel to the subdivision surface, such as Figure 5 As shown, the cabin wall of the prefabricated cabin includes: an outer wall panel 10 and an inner wall panel 11, a interlayer is arranged between the outer wall panel 10 and the inner wall panel 11, and the interlayer is filled with a thermal insulation material 9, and the thermal insulation material 9 is preferably but not limited to thermal insulation materials such as rock wool / polyurethane; by setting the interlayer, the thermal insulation material can be hidden.

[0050] See also Fig.12 , Fig.13 In a preferred but non-restrictive embodiment of the present invention, both upper and lower ends of the equipment installation liner 4 are provided with inwardly bent curling edges, so that the longitudinal section of the equipment installation liner 4 is C-shaped, and the cavity in the middle of the C-shape is filled with insulation material. The curling edge of the equipment installation liner 4 is inserted into the cabin wall and welded to the inner section of the outer wall panel 11, and the side of the equipment installation liner 4 away from the curling edge is flush with the inner surface of the inner wall panel 11 of the cabin mast. The equipment installation liner 4 can be installed with distribution boxes, air conditioners, fire host machines and other equipment, and its size and installation position are adjusted according to the equipment. The C-type structure can improve the structural strength of the liner, the curling edge facilitates the welding of the equipment installation liner and the outer wall panel, and the C-type cavity overhead structure can prevent the fixing bolts from penetrating the outer wall. In the embodiment of the present invention, taking the distribution box as an example, the back plate of the distribution box 3 is bolted to the side of the equipment installation liner 4 away from the curling edge.

[0051] like Figure 4 As shown, the main wiring channel 1 includes: a distribution box wiring groove 5 and a skirting wiring groove 6. The skirting wiring groove 6 is a sheet metal structure, which is arranged on the base steel plate at the bottom of each cabin end of the prefabricated cabin and surrounds the prefabricated cabin. The back of the skirting wiring groove 6 is embedded in the inner wall panel 11 of the cabin wall of the prefabricated cabin, and the surface of the skirting wiring groove 6 away from the embedded end is flush with the surface of the inner wall panel 11, forming a closed-loop main channel for cabin wiring.

[0052] Further, such as Figure 5 As shown, the back of the skirting wiring trough 6 is pre-welded with a fixed wire trough positioning member 8. The wire trough positioning member 8 includes a vertical portion and a horizontal portion, so that the whole is an L-shaped sheet metal structure. One side of the vertical portion of the wire trough positioning member 8 is welded to the back of the skirting wiring trough 6, and the bottom of the other side of the vertical portion is connected to the horizontal portion, and the distance from the inner wall of the exterior wall panel 10 is 20mm. The horizontal portion is fixed to the base steel plate of the prefabricated cabin. The gap between the wire trough positioning member 8 and the exterior wall is filled with a thermal insulation material 9, and the thermal insulation material 9 is preferably but not limited to rock wool, polyurethane, or aluminum silicate fiber.

[0053] See also Fig.10 , Fig.11The skirting wiring trough 6 includes: a skirting wiring trough housing 601 and a skirting wiring trough cover 602. The skirting wiring trough housing 601 includes a top plate, a side plate and a bottom plate, and the top plate and the bottom plate are both located on one side of the side plate, and are respectively connected to the upper end and the lower end of the side plate to form an opening. The ends of the top plate and the bottom plate away from the side plate are both provided with folded edges extending inward, so that the skirting wiring trough housing 601 has a C-shaped inner curling structure, which also has the function of supporting the inner wall plate 11.

[0054] Furthermore, the top plate and the bottom plate of the skirting wiring trough housing 601 are provided with a plurality of inlet holes for the inlet and outlet of the branch lines. The inlet holes are preferably, but not limited to, oblong holes, and the inlet holes are directly opposite to the interlayer between the outer wall board 10 and the inner wall board 11, and one of the inlet holes matches the inlet and outlet interfaces of the wiring trough 5 and the branch wiring pipe 13 of the wiring box, such as Fig. 9 , Figure 5 As shown, the skirting wiring trough housing 601 is a vertically symmetrical structure, which is convenient for production and material preparation. The skirting wiring trough cover 602 is detachably installed at the opening of the skirting wiring trough housing 601.

[0055] Furthermore, a Z-shaped sheet metal bending part is welded and fixed to the inner lower part of the skirting wiring slot cover 602, and the sheet metal bending part and the inner surface of the skirting wiring slot cover 602 form a socket structure for plugging and fixing with the folded edge of the bottom plate of the skirting wiring slot housing 601; the upper part of the skirting wiring slot cover 602 is fixed to the skirting wiring slot housing 601 with a combination screw. Furthermore, the wiring slot cover 602 is sprayed in the corporate color as a movable assembly part to enhance the overall appearance of the cabin.

[0056] like Figure 5 , Figure 6 As shown, the wiring trough 5 of the distribution box is vertically embedded in the inner wall panel 11 of the prefabricated cabin, and its surface away from the embedded end is flush with the inner surface of the cabin mast. The upper part of the wiring trough 5 of the distribution box is fixed to the equipment installation lining 4, and the bottom is fixed to the base wiring trough 6. The upper opening of the wiring trough 5 of the distribution box is connected to the wire entry hole at the bottom of the wiring box 3, and the lower opening is connected to the wire entry hole on the base wiring trough 6. The structure of the junction between the wiring trough 5 of the distribution box and the base wiring trough 6 is detailed in Fig. 9 Partial enlargement of Figure E.

[0057] Furthermore, the wiring trough 5 of the distribution box includes: a trough box shell and a trough box cover plate, the upper plate and the lower plate of the trough box shell are provided with curling edges, so that the trough box shell has a C-shaped inner curling edge structure, and screw holes are provided on the inner curling edge for detachably installing the wire trough box cover plate.

[0058] In a preferred but non-limiting embodiment of the present invention, compartment columns 7 are arranged around the connection between each compartment section of the prefabricated compartment and other compartment sections.

[0059] like Figure 3 , Figure 6 As shown, the compartment columns 7 are distributed around the connection between each compartment section of the prefabricated cabin and other compartment sections. One side of the compartment column 7 is fixedly connected to the cabin mast, and the other side is provided with a connection hole for connecting with another compartment column by bolts. The thickness of the compartment column 7 is equal to the thickness of the cabin mast. The upper end of the compartment column 7 is welded to the lower beam of the cabin roof, and the lower end of the compartment column 7 is welded to the main beam of the cabin base. The compartment column 7, the cabin base, and the cabin roof form a cabin structure frame; the compartment column 7 also serves as a load-bearing column of the cabin and a wire passing function. A wire passing hole is provided at the bottom of the compartment column 7 for the main cable to pass across the cabin after the cabin sections are spliced, to ensure that the main cable channel is connected.

[0060] Furthermore, if Fig.14 , Fig.15 and Fig.16 As shown, the wire hole is a round hole, which can reduce the stress of the sharp corners; further, in order to ensure that the overall strength of the compartment column 7 is not affected after the hole is cut, a section of round steel pipe is embedded and welded in the round hole to improve the overall structural strength of the column.

[0061] like Figure 1 , Figure 3 As shown, a cabin seam interior decorative panel 15 is provided on the inner wall panel 11 at the joint between two adjacent cabin sections in the prefabricated cabin, one side of the cabin seam interior decorative panel 15 covers the two cabin partition columns 7 at the joint, and is fixedly connected to the inner wall panels 11 of the cabin masts on both sides of the cabin partition columns 7 by rivets.

[0062] Furthermore, the structure of the cabin seam inner decorative panel 15 is as follows: Fig.17 , Fig.18 As shown, a cavity is provided on one side of the main body of the cabin seam interior decorative panel 15, and the overall sheet metal structure is in the shape of a "J". The lower end of the main body is cut off from the "J" flange to avoid interference with the skirting wiring slot cover; the "J"-shaped cavity is filled with fixed insulation material to improve the overall insulation performance of the cabin.

[0063] like Figure 1 , Figure 2 , Figure 4 , Figure 7 As shown, the wiring branch channel 2 includes: a wiring tube fixing frame 14 and a wiring tube 13. Figure 4As shown, the wiring tube fixing frame 14 is arranged inside the interlayer of the prefabricated cabin wall. The wiring tube fixing frame is preferably made of square tubes welded around. There are multiple wiring tube fixing frames 14, and the multiple wiring tube fixing frames 14 are arranged horizontally with a spacing of no more than 1.5m. No less than 3 are arranged on each wall. One side of the wiring tube fixing frame 14 is welded and fixed to the inner wall of the exterior wall panel 10, and the wiring tube fixing frame 14 is cut off at the interference point with the electrical equipment. The wiring tube fixing frame 14 has the functions of supporting the interlayer insulation material 9 and fixing the interior wall panel 11; further, the wiring tube fixing frame on the top is fixed with the ceiling keel. The lower and middle part of the wiring trough 5 of the distribution box is fixedly connected to one of the wiring tube fixing frames 14.

[0064] The wiring tube 13 is installed on the wiring tube fixing frame 14 and arranged in the mezzanine of the ceiling and the mezzanine of the mast. Figure 8 As shown, one end of each wiring tube 13 is connected to the equipment junction box 12 of the electrical component, and the other end extends downward to be connected to the skirting wiring trough 6 nearby. The equipment junction box 12 is fixed to the inner wall of the exterior wall panel, and serves as the wiring starting point for electrical equipment such as panel switches, air conditioners, and sockets. The wiring tube 13 is provided with an input and output line interface, and corresponds to the position of the outlet hole of the equipment junction box 12 and the input hole on the skirting wiring trough shell 601. The present invention connects the equipment junction box 14 of each electrical equipment to the skirting wiring trough 6 with the shortest path by arranging a plurality of wiring tubes 13. The wiring tube 13 is made of UPVC pipe, galvanized pipe, etc., and follows the principle of "horizontal and vertical". The lower end is arranged in the skirting wiring trough 6 of the corresponding prefabricated cabin nearby, and is connected to the skirting wiring trough 6 of the cabin section to form a wiring branch loop. In principle, the wiring tubes 13 do not cross. According to this rule, the branch wiring pipeline can be optimized and the pipeline can be clear. As shown Figure 2 As shown, the wiring tube 13 starts from the ceiling light. Figure 4 The wiring tube 13 in the fan starts from the fan power interface. Figure 7 The wiring tubes 13 in the wiring tubes are arranged from the five-hole sockets in the shortest route.

[0065] Furthermore, the location of the corresponding wiring duct can be inferred based on the location of the electrical equipment in the later stage, which will facilitate the future transformation of the prefabricated cabin and the installation of additional equipment.

[0066] Embodiment 2 of the present invention provides a wiring method using the combined prefabricated cabin wiring device in the above embodiment, comprising the following steps:

[0067] Step 1: During the in-plant production stage, the main cables and branches are pre-arranged in each section of the prefabricated cabin. The specific steps include:

[0068] Step 1.1, place the main cable in the side cabin of the prefabricated cabin where the distribution box is installed, connect one end of the main cable to the distribution box, and crimp and fix the end to the corresponding circuit breaker in the distribution box;

[0069] Step 1.2, open the slot box cover of the wiring slot 5 of the distribution box, place the main cable inside the wiring slot 5 of the distribution box in the main wiring channel 1, and reserve a length that can circle around the cabin;

[0070] Step 1.3: Paste cable labels on the main cables according to their functions. Set cable labels every 2 to 3 meters to facilitate identification after laying.

[0071] Step 1.4, fix the slot box cover plate of the wiring slot 5 of the distribution box to the slot box shell;

[0072] Step 1.5, arranging the branch cables in each compartment of the prefabricated cabin, placing the branch cables in the wiring tube of each compartment, so that one end of each branch cable is crimped with the wiring terminal of the equipment junction box 13 of the corresponding electrical component, and the branch cables pass through the wiring tube 13 in accordance with the principle of "horizontal and vertical", and finally gather in the skirting wiring groove 6 of the compartment;

[0073] Step 1.6: Pre-press the terminal end of the branch cable to quickly insert the wire-breaking-proof terminal and set the wire label;

[0074] Step 2: During on-site construction, the various cabin sections of the prefabricated cabin are spliced, assembled and fixed to complete the wiring of the entire prefabricated cabin. The specific steps include:

[0075] Step 2.1, open the skirting wiring trough cover 602 of the skirting wiring trough 6 of each cabin section, and arrange the reserved part of the main cable inside the skirting wiring trough 6 of each cabin section so that it surrounds the prefabricated cabin; the default surrounding direction is from the front to the back of the prefabricated cabin;

[0076] Step 2.2: Mark the branch cable according to the label, and crimp the quick-insert and break-free wire terminal at its end point to the corresponding part of the main cable;

[0077] Step 2.3, after debugging is correct, the skirting wiring trough cover 602 is fixedly connected to the skirting wiring trough shell 601 again, and the cabin seam inner decorative panel 15 is installed to complete the wiring of the prefabricated cabin.

[0078] The beneficial effect of the present invention is that, compared with the prior art, the present invention makes the wiring structure clearly divided into primary and secondary by setting the main wiring channel and the wiring branch channel. At the same time, the main wiring channel is set at the bottom of the prefabricated cabin and arranged around the cabin; each branch of the wiring branch channel starts from the equipment junction box of each electrical equipment and converges to the main wiring channel without crossing each other, the lines are clear, and the pipe positions are traceable. It is not only convenient to carry out standardized design in the prefabrication stage in the factory, but also convenient to connect the branch cables to the main wiring channel through the wiring branch channel during on-site construction. Compared with the prior art, the operation difficulty is small, the processing is simple, the assembly is more convenient, and it is easy to maintain and repair in the later stage, which can greatly improve the efficiency of factory production and on-site construction.

[0079] Furthermore, the main wiring channel and the wiring branch channel of the present invention are both installed inside the mast in an embedded manner, and the side away from the embedded end is flush with the inner surface of the mast, making the wiring channel easy to disassemble and assemble, practical and not obtrusive, and convenient and quick for on-site construction and maintenance.

[0080] Furthermore, the color of the skirting wiring trough cover in the main wiring channel of the present invention can be selected, using the main color of the enterprise, taking into account both practicality and aesthetic performance.

[0081] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents, and any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A combined prefabricated cabin wiring device, comprising: The main wiring channel (1) and the branch wiring channel (2) are characterized by: The main wiring channel (1) is arranged on the mast of each cabin section of the combined prefabricated cabin, and one end of the main wiring channel (1) is connected to the distribution box (3) arranged on the side cabin section of the combined prefabricated cabin, and the other end extends downward to the bottom of the cabin section and surrounds the four sides of the combined prefabricated cabin; The wiring branch channel (2) is arranged on the mast of each compartment section of the combined prefabricated cabin, and the wiring branch channel (2) is provided with a plurality of branches for connecting various electrical components, one end of each branch is connected to an equipment junction box (12) of an electrical component located in a compartment section, and the other end extends downward to the bottom of the compartment section and is connected to the wiring main channel (1) located in the compartment section.

2. The combined prefabricated cabin wiring device according to claim 1 is characterized in that: The main wiring channel (1) comprises: a distribution box wiring groove (5) and a skirting wiring groove (6); The distribution box wiring trough (5) is vertically installed on the mast of the side cabin section, the upper opening of the distribution box wiring trough (5) is communicated with the wire inlet hole at the bottom of the wiring box (3), and the lower opening is communicated with the wire inlet hole of the skirting wire wiring trough (6); The skirting wiring groove (6) is installed at the bottom of the mast of each cabin section and surrounds the four sides of the combined prefabricated cabin.

3. The combined prefabricated cabin wiring device according to claim 2 is characterized in that: The distribution box wiring trough (5) and the skirting wire wiring trough (6) are both embedded in the interior of the mast, and the surfaces of the distribution box wiring trough (5) and the skirting wire wiring trough (6) away from the embedded ends are flush with the inner surface of the mast.

4. The combined prefabricated cabin wiring device according to claim 2 is characterized in that: The skirting wiring trough (6) comprises: a skirting wiring trough housing (601) and a skirting wiring trough cover (602); The skirting wiring trough shell (601) comprises a top plate, a side plate and a bottom plate, and the top plate and the bottom plate are both located on one side of the side plate, and are respectively connected to the upper end and the lower end of the side plate to form an opening; the top plate and the bottom plate are both provided with folded edges extending inward at one end away from the side plate, and the top plate and the bottom plate are both provided with a plurality of wire entry holes for the entry and exit of branch lines; the skirting wiring trough cover (602) is detachably mounted at the opening of the skirting wiring trough shell (601).

5. The combined prefabricated cabin wiring device according to claim 4 is characterized in that: A bent piece is welded and fixed to the inner lower part of the skirting wiring slot cover (602), and the bent piece and the inner surface of the skirting wiring slot cover (602) form a socket structure for being plugged and fixed to the folded edge of the bottom plate of the skirting wiring slot housing (601); the upper part of the skirting wiring slot cover (602) is fixedly connected to the skirting wiring slot housing (601) by a combination of screws.

6. The combined prefabricated cabin wiring device according to claim 4 is characterized in that: A wire trough positioning piece (8) is provided at the back of the skirting wire trough (6); The wire trough positioning piece (8) comprises a vertical portion and a horizontal portion, one side of the vertical portion of the wire trough positioning piece (8) is fixedly connected to the back of the skirting wiring trough (6), and the bottom of the other side of the vertical portion is connected to the horizontal portion; the horizontal portion is fixed to the base steel plate of the prefabricated cabin.

7. The combined prefabricated cabin wiring device according to claim 2 is characterized in that: The distribution box wiring trough (5) comprises: a trough box shell and a trough box cover plate, wherein the upper plate and the lower plate of the trough box shell are provided with curling edges, and screw holes are provided on the curling edges for detachably mounting the wire trough box cover plate.

8. The combined prefabricated cabin wiring device according to any one of claims 2 to 7, characterized in that: The cabin wall of the prefabricated cabin comprises: an outer wall panel (10) and an inner wall panel (11), and a sandwich layer is arranged between the outer wall panel (10) and the inner wall panel (11), and the sandwich layer is filled with a heat-insulating material (9).

9. The combined prefabricated cabin wiring device according to claim 8, characterized in that: The wiring branch channel (2) comprises: a wiring tube fixing frame (14) and a wiring tube (13); The wiring tube fixing frame (14) is arranged inside the interlayer of the prefabricated cabin wall, and one side is fixedly connected to the inner wall of the exterior wall panel (10); a plurality of wiring tube fixing frames (14) are arranged horizontally; The wiring tubes (13) are installed on the wiring tube fixing frame (14) and are located inside the interlayer; one end of each wiring tube (13) is connected to the equipment junction box (12) of the electrical component, and the other end extends downward to be connected to the skirting wiring groove (6) nearby.

10. The combined prefabricated cabin wiring device according to any one of claims 1 to 7, characterized in that: Each compartment section of the prefabricated cabin is provided with compartment columns (7) around the connection between each compartment section and other compartment sections; One side of the compartment column (7) is fixedly connected to the cabin mast, and the other side is provided with a connection hole for connecting with another compartment column by bolts; a wire hole is provided at the bottom of the compartment column (7) for passing the main cable across the cabin after the cabin sections are spliced.

11. The combined prefabricated cabin wiring device according to claim 10, characterized in that: The inner surface of the joint between two adjacent cabin sections in the prefabricated cabin is provided with a cabin joint inner decorative panel (15), one side of the cabin joint inner decorative panel (15) covers two cabin partition columns (7) at the joint, and is fixedly connected to the cabin masts on both sides of the cabin partition columns (7).

12. The combined prefabricated cabin wiring device according to any one of claims 1 to 7, characterized in that: An equipment installation lining plate (4) is installed on the mast of the prefabricated cabin; The upper and lower ends of the equipment installation lining plate (4) are both provided with inwardly bent curling edges, and the curling edges are embedded and installed inside the mast; the inner cavity of the curling edges is filled with heat-insulating material; The side of the equipment installation lining plate (4) away from the curling edge is flush with the inner surface of the mast, so as to be used for installing the distribution box (3).

13. A wiring method for a combined prefabricated cabin, using the combined prefabricated cabin wiring device according to any one of claims 1 to 12, characterized in that: The following steps are involved: During the in-factory production stage, the main cable is placed inside the wiring main channel (1), one end of which is connected to the distribution box, and the other end is reserved with a length that can go around the cabin, and a cable label is affixed to the main cable according to its function; the branch cables are arranged inside the wiring branch channels (2) of each compartment of the prefabricated cabin, so that one end of each branch cable is connected to the equipment junction box (13) of the corresponding electrical component, and passes through the wiring branch channel (2) in accordance with the principle of "horizontal and vertical", and finally converges into the wiring main channel (1) of the compartment; the terminal end of the branch cable is pre-pressed with a quick-insert anti-breakage wire terminal and a wire label is set; During on-site construction, the various compartments of the prefabricated cabin are spliced, combined and fixed, and then the reserved part of the main cable is arranged inside the main wiring channel (1) of each compartment section, so that the main cable surrounds the assembled prefabricated cabin; the branch cables are marked according to the labels, and the quick-insert and break-free wire terminals at their end points are crimped to the corresponding parts of the main cables to complete the wiring of the entire prefabricated cabin.

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