CN110469048A - Wiring method for a prefabricated wall - Google Patents

Abstract

The invention discloses a wiring method for a prefabricated wall, relates to the technical field of construction, solves the problem of low production efficiency of prefabricated wall panels in the prior art; and does not cause secondary damage to the surface of the wall and causes Pollution; The installation process of the wiring method is convenient and fast, which can improve the construction efficiency of the special process. The wiring method includes the following steps: assembling the prefabricated wall panels at the construction site to form a prefabricated wall; removing the wall panel on the side of the prefabricated wall panels where the power lines need to be arranged, and installing electrical switch boxes and wiring Remove the insulation material layer at the position of the pipe; fix the electrical switch box at the preset position; lay a threading pipe between the power supply and the electrical switch box; install the removed insulation material layer back to its original position; Install it back to the original position; make an opening on the wall panel at the position corresponding to the electrical switch box. The invention is used for arranging electric lines in an assembled wall.

Description

Wiring method for a prefabricated wall

technical field

The invention relates to the technical field of buildings, in particular to a wiring method for a prefabricated wall.

Background technique

Wall is an indispensable and important part of a building. According to the function and use requirements of the building, the wall can divide the entire building into multiple independent rooms. Prefabricated wall panels have been widely used and popularized because of their many advantages such as green environmental protection, quick and convenient installation, and recyclable materials. Room electricity is the most basic demand for modern buildings. Therefore, it is very important to arrange and install power lines and electrical switch boxes in the walls constructed of prefabricated wall panels.

In the prior art, the threading pipe and electrical switch box are generally pre-installed in the prefabricated wallboard, that is, during the production process of the prefabricated wallboard, the threading pipe and electrical appliances are laid at the preset position of the prefabricated wallboard. switch box. However, the above-mentioned wall wiring scheme will increase the process steps of the factory to produce the assembled wall panels and reduce the production efficiency of the assembled wall panels. Moreover, since the electrical switch box has been preset and fixed at the predetermined position of the assembled wall panels, The location and specifications of the electrical switch box may not meet the needs of users, resulting in poor user experience.

Contents of the invention

Embodiments of the present invention provide a wall wiring method, which solves the problem of low production efficiency of fabricated wall panels in the prior art; and does not cause secondary damage and pollution to the wall surface; the installation process of the wiring method It is convenient and quick, and can improve the construction efficiency of special procedures.

In order to achieve the above object, embodiments of the present invention adopt the following technical solutions:

An embodiment of the present invention provides a wiring method for a prefabricated wall. The prefabricated wall is formed by connecting a plurality of prefabricated wall panels. The prefabricated wall panel includes a keel frame, an insulating material layer located in the keel frame, and The wall panels located on both sides of the keel frame, the wiring method includes the following steps: assembling the prefabricated wall panels at the construction site to form a prefabricated wall; And remove the insulating material layer at the position where the electrical switch box and the threading pipe need to be installed; fix the electrical switch box at the preset position; among them, there are wiring holes on the electrical switch box; lay between the power supply and the electrical switch box Threading pipe; install the removed insulation material layer back to its original position; install the removed wall panel back to its original position; open on the wall panel at the position corresponding to the electrical switch box.

Optionally, the step of "fixing the electrical switch box at a preset position" specifically includes: if there is a keel frame at the preset position of the electrical switch box, then fixedly connecting the electrical switch box to the keel frame; If there is no keel frame at the preset position, first install a fixed keel at the preset position of the electrical switch box, so that the fixed keel is fixedly connected with the keel frame; and then the electrical switch box is fixedly connected with the fixed keel.

Optionally, the keel frame includes at least two vertical keels arranged in parallel, and a plurality of horizontal keels for connecting two adjacent vertical keels, and the step of "fixing the electrical switch box to the fixed keel" specifically includes : The electrical switch box is fixedly connected to the horizontally extending side wall of the fixed keel; wherein, the opening of the electrical switch box faces the side where the wall panel is removed from the assembled wall panel.

Optionally, the step "laying the threading pipe between the power supply and the electrical switch box" specifically includes: opening a threading pipe hole on the keel frame at a position where the threading pipe laying path intersects; passing the threading pipe through the threading pipe hole, and Connect one end of the threading pipe to the wiring hole of the electrical switch box, connect the other end of the threading pipe to the wiring outside the assembled wall, or connect the other end of the threading pipe to the power supply.

Optionally, when the laying path of the threading pipe has a bend, a threading pipe elbow is used at the corner to connect two adjacent threading pipes.

Optionally, the step of "installing the removed insulation material layer back to its original position" specifically includes: opening an avoidance groove corresponding to the electrical switch box and the threading pipe on the removed insulation material layer; Layers are installed back to the original position, so that the electrical switch box and the threading pipe are located in the avoidance groove.

Optionally, the step "installing the removed wall panel back to its original position" specifically includes: opening an avoidance hole on the wall panel that matches the threading pipe; installing the wall panel back to its original position so that one end of the threading pipe passes through the avoidance hole .

The wiring method of the prefabricated wall provided by the embodiment of the present invention includes the following steps: assembling the prefabricated wall panels at the construction site to form a prefabricated wall; , and remove the insulating material layer at the position where the electrical switch box and the threading pipe need to be installed; fix the electrical switch box at the preset position; lay the threading pipe between the power supply and the electrical switch box; put the removed thermal insulation material Install the layer back to the original position; install the removed wall panel back to the original position; make an opening on the wall panel at the position corresponding to the electrical switch box. Compared with the traditional technology: in the process of making the prefabricated wallboard in the factory, the threading pipe and the electrical switch box are pre-assembled into the prefabricated wallboard. In the wiring method of the prefabricated wallboard in the embodiment of the present invention, after the prefabricated wallboard is manufactured and assembled to form the prefabricated wall at the construction site, the power lines are arranged in the prefabricated wall, eliminating the need for prefabricated wallboards. The step of pre-installing electrical switch boxes and wiring pipes in the process of wall panel production can improve the production efficiency of fabricated wall panels. Compared with the traditional method, which presets the electrical switch box at a certain position of the assembled wall panel, the wiring method of the embodiment of the present invention makes the layout of the electrical switch box more flexible, which is convenient for users to adjust the layout of the wall and room space. Freedom to design, thereby enhancing customer experience.

At the same time, compared with the wiring method of slotting and embedding on the wall, the wiring method of the assembled wallboard in the embodiment of the present invention can avoid damage to the surface of the assembled wall during the installation of the electrical switch bottom box and the threading pipe. Secondary damage and resulting pollution. Optionally, the wall panel and the keel frame are connected by screws, and the removal and reinstallation of the wall panel are very convenient. In the wiring method of the assembled wall panel in the embodiment of the present invention, the electrician marks the position where the electrical switch box and the threading pipe need to be installed. And the threading pipe is installed at the predetermined position, and the installation worker quickly restores the wall panel. The installation process is convenient and fast. The steps of arranging the threading pipe are determined by the electrical work, and the division of labor is clear. Especially when a large number of power lines need to be arranged in factories or large buildings, it can effectively improve the construction efficiency of the special process on the construction site, and then improve the overall construction. efficiency.

Description of drawings

Fig. 1 is the structural representation of the assembled wall body of the embodiment of the present invention;

Fig. 2 is the schematic diagram of the explosive structure of the assembled wall panel of the embodiment of the present invention;

Fig. 3 is the schematic structural diagram of the assembled wallboard of the embodiment of the present invention after removing the wall panel and the insulation material layer;

Fig. 4 is the structural representation of the electric switch box of the embodiment of the present invention;

FIG. 5 is a flow chart of the steps of the wiring method of the prefabricated wall according to the embodiment of the present invention;

Fig. 6 is a flow chart of a manufacturing method of a prefabricated wall panel of a wiring method according to an embodiment of the present invention;

7 is a flow chart of steps for fixing an electrical switch box at a preset position in a wiring method according to an embodiment of the present invention;

8 is a flow chart of the steps of laying a threading pipe in the wiring method of the embodiment of the present invention;

Fig. 9 is a schematic structural view of a threading pipe elbow according to an embodiment of the present invention;

FIG. 10 is a flow chart of the steps of backfilling the thermal insulation material layer in the wiring method of the embodiment of the present invention;

Fig. 11 is a structural schematic diagram of opening avoidance holes in wall panels according to an embodiment of the present invention;

FIG. 12 is a flow chart of the steps of installing the wall panel back to the original position of the wiring method according to the embodiment of the present invention.

Reference signs:

1-keel frame; 11-vertical keel; 12-horizontal keel; 13-fixed keel; 2-insulation material layer; 3-wall panel; 31-avoidance hole; 100-fabricated wall; 300-electric switch box; 301-wiring hole; 400-threading pipe; 401-threading pipe elbow.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention.

The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The embodiment of the present invention provides a wiring method for a prefabricated wall. As shown in FIG. 1 and FIG. 2, the prefabricated wall 100 is formed by connecting a plurality of prefabricated wall panels 200, and the prefabricated wall panels 200 include keels Frame 1, the insulation material layer 2 positioned in the keel frame 1, and the wall panels 3 positioned on both sides of the keel frame 1, the wiring method, as shown in Figure 3, Figure 4 and Figure 5, includes the following steps: The wall panel 200 is assembled at the construction site to form a prefabricated wall 100; remove the wall panel 3 on the side of the prefabricated wall panel 200 where the power lines need to be arranged, and install the electrical switch box 300 and the insulation at the position of the threading pipe 400. The material layer 2 is removed; the electrical switch box 300 is fixed at a preset position; wherein, the electrical switch box 300 is provided with a wiring hole 301; a threading pipe 400 is laid between the power supply and the electrical switch box 300; The material layer 2 is installed back to the original position; the removed wall panel 3 is installed back to the original position; an opening is opened on the wall panel 3 at a position corresponding to the electrical switch box 300 .

The wiring method of the prefabricated wall provided by the embodiment of the present invention, as shown in Figure 5, specifically includes the following steps:

Step S1: Assemble the prefabricated wall panels 200 at the construction site to form the prefabricated wall 100;

Step S2: Remove the wall panel 3 on the side of the assembled wall panel 200 where the electrical circuit needs to be arranged, and remove the insulation material layer 2 at the position where the electrical switch box 300 and the threading pipe 400 need to be installed;

Step S3: fixing the electrical switch box 300 at a preset position;

Step S4: laying the threading pipe 400 between the power supply and the electrical switch box 300;

Step S5: Install the removed insulation material layer 2 back to its original position;

Step S6: Install the removed wall panel 3 back to its original position;

Step S7: opening an opening on the wall panel 3 at a position corresponding to the electrical switch box 300;

Wherein, in step S2, the wall panel 3 and the thermal insulation material layer 2 are removed, so that the electrical switch box and the threading pipe are arranged and fixed inside the prefabricated wall body. In step S7, the size and shape of the "opening" matches the size and shape of the electrical switch box 300, and is used to install electrical devices matching the electrical switch box 300, such as wall sockets and wall switches.

Compared with the traditional technology: in the process of manufacturing the prefabricated wall panel 200 in the factory, the threading pipe 400 and the electrical switch box 300 are pre-assembled into the prefabricated wall panel 200 . In the wiring method of the prefabricated wall panel in the embodiment of the present invention, after the prefabricated wall panel 200 is manufactured and assembled to form the prefabricated wall 100 at the construction site, the power lines are arranged in the prefabricated wall 100, eliminating the need for During the manufacturing process of the prefabricated wall panel 200, the steps of pre-installing the electrical switch box 300 and the wiring pipe 400 in the prefabricated wall panel 200 can improve the production efficiency of the prefabricated wall panel 200. Compared with the traditional method, the electrical switch box 300 is preset at a specific position of the prefabricated wall panel 200, the wiring method of the embodiment of the present invention, the layout position of the electrical switch box 300 is more flexible, and it is convenient for the user to install the wall 100 and The free design of room space layout can enhance customer experience.

It should be noted that the "electrical switch box" in this article refers to various supporting box components that are used to fix and install electrical components, including junction box and distribution box box, and need to be placed in the wall. "Electrical circuit" refers to the connecting wire laid from the distribution box to the electrical appliance, as well as the above-mentioned electrical switch box. After the threading pipe 400 is arranged, wires of different specifications are threaded inside the threading pipe 400 as required, so that electrical appliances can be connected to the circuit through the wires.

At the same time, compared with the wiring method of embedding in grooves on the wall, the wiring method of the assembled wall panel in the embodiment of the present invention can avoid the damage to the assembled wall during the installation of the electrical switch bottom box 300 and the threading pipe 400. 100 Secondary damage to the surface and the resulting pollution. Optionally, the wall panel 3 and the keel frame 1 are connected by screws, so that the wall panel 3 can be easily disassembled and reinstalled. In the wiring method of the assembled wall panel in the embodiment of the present invention, the electrician marks the position where the electrical switch box 300 and the threading pipe 400 need to be installed, and the installation worker can quickly remove the wall panel 3 and the thermal insulation material 2 at the marked position. The box 300 and the threading pipe 400 are installed at the predetermined position, and the installation workers quickly restore the wall panel 3. The installation process is convenient and fast. The installation of the prefabricated wall 100 and the disassembly and assembly of the wall panel 3 are carried out by the workers in charge of wall installation. Operation, the steps of installing the electrical switch box 300 and arranging the threading pipe 400 are carried out by electricians, and the division of labor is clear, especially when a large number of power lines need to be arranged in factories or large buildings, it can effectively improve the construction site. The construction efficiency of the process can be improved, thereby improving the overall construction efficiency.

It should be noted that the manufacturing method of the prefabricated wall panel 200 according to the embodiment of the present invention, as shown in Figure 2 and Figure 6, specifically includes the following steps:

Step S101: placing at least two vertical keels 11 in parallel;

Step S102: connecting and fixing each adjacent two vertical keels 11 with a plurality of horizontal keels 12 to form a keel frame 1;

Step S103: Install the wall panel 3 on one side of the keel frame 1;

Step S104: filling the keel frame 1 with thermal insulation material to form the thermal insulation material layer 2;

Step S105: Install the wall panel 3 on the joist frame 1 and the other side.

The detachable connection between the wall panels 3 on both sides and the keel frame 1 is to ensure that after the assembled wall panels 200 are constructed into the assembled wall 100, the wall panels 3 can be disassembled from the assembled wall 1 to facilitate the electrical switch box 300 and the installation of threading pipe 400. Compared with the prior art: in the process of manufacturing the prefabricated wall panel 200 in the factory, the threading pipe 400 and the electrical switch box 300 are pre-assembled into the prefabricated wall panel 200 . The wiring method of the prefabricated wall in the embodiment of the present invention can save the step of pre-installing the electrical switch box 300 and the wiring pipe 400 in the prefabricated wall panel 200 during the production process of the prefabricated wall panel 200, so as to achieve the lifting of the prefabricated wall panel. The production efficiency of wall panel 200 is the purpose.

During later use of the electrical switch box 300 , plugging and unplugging of plugs or pressing of buttons may occur. During this process, the electrical switch box 300 is subjected to a force, and transmits the force to the assembled wall panel 200 fixedly connected thereto. In order to ensure that the position of the electrical switch box 300 is relatively fixed, and to prevent the electrical switch box 300 from causing damage to the prefabricated wall 100 during use, the electrical switch box 300 is fixedly connected to the keel frame 1 of the prefabricated wall panel 200 . However, since the installation position of the electrical switch box 300 is not fixed, if there is no keel frame 1 at the preset position of the electrical switch box 300, it is necessary to add a fixed keel fixedly connected to the keel frame 1 in the keel frame 1. 13, and then fixedly connect the electrical switch box 300 with the fixed keel 13. The step of "fixing the electrical switch box 300 at a preset position", as shown in Figure 7, specifically includes the following steps:

Step S31: determine whether the preset position of the electrical switch box 300 is provided with a keel frame 1;

When there is a keel frame 1 in the preset position of the electrical switch box 300, step S321 is performed:

Step S321: The electrical switch box 300 is fixedly connected to the keel frame 1 .

When there is no keel frame 1 in the preset position of the electrical switch box 300, perform the following steps:

Step S322: installing a fixed keel 13 at a preset position of the electrical switch box 300, so that the fixed keel 13 is fixedly connected with the keel frame 1;

Step S33: Fix the electrical switch box 300 on the fixing keel 1 again.

It should be noted that since the installation position of the electrical switch box 300 is not fixed, it cannot be directly installed on a certain position of the keel frame 1 for connecting with the electrical switch box 300 during the production process of the prefabricated wall panel 200 . Fixedly connected fixed keel 13. Only in the process of on-site construction, first check whether there is a keel frame 1 in the preset position of the electrical switch box 300. If so, directly connect and fix the electrical switch box 300 with the keel frame 1. Set the fixed keel 13 at the location, and then connect the electrical switch box 300 with the fixed keel 13 .

Referring to FIG. 2 and FIG. 3 , the joist frame 1 includes at least two vertical joists 11 arranged in parallel, and a plurality of horizontal joists 12 for connecting two adjacent vertical joists 11 . The step of “fixing the electrical switch box 300 to the fixed keel 13 ” specifically includes: fixing the electrical switch box 300 to the side wall of the fixed keel 13 extending in the horizontal direction. The fixed keel 13 is set horizontally. In order to prevent the electrical switch box 300 from affecting the installation of the removed wall panel 3 back to its original position, the electrical switch box 300 cannot be fixed on the surface of the fixed keel 13 that is in contact with the wall panel 3 . The switch box 300 is fixed in contact with the upper side or the lower side of the fixed keel 13 . The wiring method of the prefabricated wall according to the embodiment of the present invention, as shown in Fig. 1 and Fig. 3, the threading pipe 400 is located on the top of the prefabricated wall 100, and the electric line is passed through the top of the prefabricated wall 100; at this time , the electrical switch box 300 is fixedly connected to the upper side of the fixed keel 13 . Meanwhile, in order to prevent the electrical switch box 300 from colliding with the wall panel 3 , the thickness of the electrical switch box 300 is less than or equal to the thickness of the keel frame 1 . The opening of the electrical switch box 300 faces the side of the prefabricated wall panel 200 where the wall panel 3 is removed. The opening of the electrical switch box 300 refers to an unclosed side of the electrical switch box 300 as shown in FIG. 4 , and the opening is used to cooperate with other electrical devices such as wall switches or wall sockets.

It should be noted that when the electrical switch box 300 is fixedly connected to the vertical keel 11 , the wiring hole 301 is not in contact with the vertical keel 11 , so that the threading pipe 400 can communicate with the electrical switch box 300 through the wiring hole 301 .

Referring to Fig. 8, the step "laying a threading pipe between the power supply and the electrical switch box 300" specifically includes:

Step S41: Open a threading pipe hole on the keel frame 1 at a position intersecting the laying path of the threading pipe 400;

Step S42: Pass the threading pipe through the hole of the threading pipe, connect one end of the threading pipe to the wiring hole of the electrical switch box, and connect the other end of the threading pipe to the power supply.

In the wiring method of the assembled wall in the embodiment of the present invention, when the threading pipe 400 passes through the corresponding position of the keel frame 1, the threading pipe 400 passes through the threading pipe hole, so as to avoid the threading pipe 400 from the keel frame 1 close to the wall panel 3 passes through, affecting the fixed connection between the wall panel 3 and the joist frame 1, and preventing the wall panel 3 from being installed back to its original position. One end of the threading pipe 400 is connected with the wiring hole 301 of the electrical switch box 300, so that the electric wires in the threading pipe 400 can be stretched into the inside of the electrical switch box 300, and communicate with the electrical devices in the electrical switch box 300. The other end of the threading pipe 400 is communicated with the connecting line outside the prefabricated wall 100, or the other end of the threading pipe 400 is communicated with the power supply, so as to ensure that the electrical switch box 300 can be communicated with the power supply and cooperate with the electrical switch box 300 Electrical devices are charged to form a complete circuit.

Referring to FIG. 9 , when the laying path of the threading pipe 400 has a bend, a threading pipe elbow 401 is used at the corner to connect two adjacent threading pipes 400 . Generally, the arc-shaped threading pipe elbow 401 is used, and the right-angle threading pipe elbow 401 is avoided, so that the wire is pulled more smoothly during the pulling process of the dedicated line pipe 400, and the threading pipe 400 is not easy to scratch the wire.

The step "install the removed insulation material layer 2 back to its original position", as shown in Figure 10, specifically includes the following steps:

Step S51: setting up an avoidance groove corresponding to the electrical switch box 300 and the threading pipe 400 on the removed thermal insulation material layer 2;

Step S52: Install the removed insulation material layer 2 back to its original position, so that the electrical switch box 300 and the threading pipe 400 are located in the avoidance groove.

In the wiring method of the prefabricated wall in the embodiment of the present invention, since the electrical switch box 300 and the threading pipe 400 are arranged inside the prefabricated wall panel 200, in order to prevent the thermal insulation material layer 2 from being 2 abuts against the electrical switch box 300 and the threading pipe 400, which hinders the normal assembly of the insulation material layer 2 back to its original position. The escape groove can prevent the insulating material layer 2 from abutting against the electrical switch box 300 or the threading pipe 400, thereby ensuring that the insulating material layer 2 can be smoothly installed back to its original position.

Referring to Figure 11 and Figure 12, the step "install the removed wall panel 3 back to its original position" specifically includes the following steps:

Step S61: Open the escape hole 301 matching the threading pipe 400 on the wall panel 3;

Step S62: Install the wall panel 3 back to its original position, and make one end of the threading pipe 400 pass through the escape hole 301 .

The avoidance hole 301 allows the threading pipe 400 to pass through the wall panel, so that the conduit 400 can protrude from the inside of the prefabricated wall panel 200 and communicate with a power supply or a live line.

In the description of this specification, specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in an appropriate manner.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention shall be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (7)

1. A wiring method for a prefabricated wall, the prefabricated wall is formed by connecting a plurality of prefabricated wallboards, the prefabricated wallboard comprises a keel frame, an insulating material layer positioned in the keel frame, and The wall panels located on both sides of the keel frame are characterized in that the wiring method includes the following steps: Assembling the prefabricated wall panels at the construction site to form a prefabricated wall; Remove the wall panel on the side of the prefabricated wall panel where the electrical circuit needs to be arranged, and remove the insulation material layer at the position where the electrical switch box and the threading pipe need to be installed; Fixing the electrical switch box at a preset position; wherein, the electrical switch box is provided with wiring holes; Lay a threading pipe between the power supply and the electrical switch box; Install the removed layer of thermal insulation material back to its original position; Install the removed wall panel back to its original position; An opening is formed at a position corresponding to the electrical switch box on the wall panel. 2. The wiring method for a prefabricated wall according to claim 1, wherein the step of fixing the electrical switch box at a preset position specifically includes: If there is a keel frame at the preset position of the electrical switch box, then the electrical switch box is fixedly connected to the keel frame; If there is no keel frame at the preset position of the electrical switch box, first install a fixed keel at the preset position of the electrical switch box, so that the fixed keel is fixedly connected with the keel frame; wherein, the fixed The keel is set along the horizontal direction; Then the electrical switch box is fixedly connected with the fixed keel. 3. The wiring method for a prefabricated wall according to claim 2, wherein the keel frame includes at least two vertical keels arranged in parallel, and a plurality of vertical keels for connecting two adjacent vertical keels The horizontal keel, the fixed connection of the electrical switch box and the fixed keel includes: The electrical switch box is fixedly connected to the horizontally extending side wall of the fixed keel; wherein, the opening of the electrical switch box faces the side of the assembled wall panel from which the wall panel is removed. 4. The wiring method for a prefabricated wall according to any one of claims 1 to 3, characterized in that the step of laying a threading pipe between the power supply and the electrical switch box specifically includes: setting up a threading pipe hole on the keel frame at a position intersecting with the laying path of the threading pipe; Pass the threading pipe through the hole of the threading pipe, and connect one end of the threading pipe to the wiring hole of the electrical switch box, and connect the other end of the threading pipe to the connecting circuit outside the assembled wall communicate, or connect the other end of the threading pipe with the power supply. 5. The wiring method for a prefabricated wall according to claim 4, characterized in that, when the laying path of the threading pipe has a bend, two adjacent threading pipes are connected at the corner using a threading pipe elbow. 6. The wiring method for a prefabricated wall according to claim 4, wherein the step of installing the removed thermal insulation material layer back to its original position specifically includes: An avoidance groove corresponding to the electrical switch box and the threading pipe is provided on the removed thermal insulation material layer; Install the removed thermal insulation material layer back to its original position, so that the electrical switch box and the threading pipe are located in the avoidance groove. 7. The wiring method for a prefabricated wall according to claim 4, wherein the step of installing the removed wall panel back to its original position includes: An avoidance hole matching the threading pipe is opened on the wall panel; Install the wall panel back to its original position, and make one end of the threading pipe pass through the avoidance hole.