Electrical modular centralized accommodating device in cabinet

Abstract

The utility model relates to an electrical modular centralized accommodating device in a cabinet, which is provided with a bottom box with a certain length, a strong current track and a weak current track which are distributed in parallel are arranged on the inner bottom surface of an accommodating groove of the bottom box, and a first conductive copper bar in the strong current track is used for introducing 220V mains supply; the power supply module is embedded in the accommodating groove, receives commercial power through the first contact and then converts the commercial power into low-voltage direct current, and the low-voltage direct current is transmitted to the second conductive copper bar of the weak current track through the second contact; and the output module is embedded in the accommodating groove and is in contact with the second conductive copper bar through the third contact to take electricity, and the output module is provided with an output port which is adapted to be connected and conducted with a corresponding load. According to the utility model, electrical modularized centralized accommodating arrangement can be realized, power supply is supplied in a centralized manner, the requirement of effectively shortening the length of electrical connection wires of required loads and circuits can be met, the space in the cabinet is saved, electrical connection between a plurality of loads at different positions and the same circuit can be facilitated, the connection is stable and reliable, and the convenience and effectiveness of power supply are improved.

Description

Technical Field

[0001] This utility model relates to the field of customized home furnishing technology, and in particular to the field of electrical power supply line design technology for customized home furnishing. Background Technology

[0002] With the trends of intelligence and customization, many modern cabinets, such as kitchen cabinets, wardrobes, or wine cabinets, are equipped with a variety of loads with different functions, such as lighting components, sterilization components, drying components, door opening and closing components, or intelligent control components. The operation of these loads within the cabinet is inseparable from the connection with power supply equipment; therefore, for many modern cabinets, the installation of their internal electrical power supply lines is an important component.

[0003] Currently, the common setup of electrical power supply lines inside cabinets is to set up separate lines for different loads. This one-to-one wiring and power supply lacks scalability, cannot be better unified, and does not match the concept of global customization. This separate power supply and wiring mode is particularly inconvenient when the types, quantities, and locations of loads inside cabinets that are customized for the whole house are not the same. It is not only complicated in terms of power supply, process, and wiring, but also increases the difficulty of cabinet installation and use. Moreover, the wires are usually exposed during wiring, which affects the aesthetics. At the same time, the stability of the connection nodes is poor, and the wires are easily squeezed, which can cause the circuit to break, thus affecting the stability of the power supply. Summary of the Invention

[0004] The purpose of this utility model is to provide a modular centralized housing device for electrical components inside a cabinet, which effectively solves the above-mentioned problems, optimizes power supply and wiring, facilitates installation and implementation, and matches the concept of global customization.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A modular centralized housing device for electrical components inside a cabinet, comprising at least:

[0007] A base box of a certain length has a receiving groove extending along the length of the base box. Parallel high-voltage and low-voltage tracks are provided on the inner bottom surface of the receiving groove. A first conductive copper strip is arranged in the high-voltage track for introducing 220V mains power. A second conductive copper strip is arranged in the low-voltage track.

[0008] A power module is embedded in a receiving slot and can slide and adjust along the length of the receiving slot. The power module is provided with a first contact, a second contact, and a transformer unit that electrically connects the first contact and the second contact. The first contact is used to contact and connect a first conductive copper strip, and the second contact is used to contact and connect a second conductive copper strip. The transformer unit receives 220V AC mains power through the first contact and converts it into low-voltage DC power. The low-voltage DC power is then transmitted to the second conductive copper strip through the second contact.

[0009] The output module is embedded in the receiving slot and can slide and adjust along the length of the receiving slot. The output module is provided with a third contact and a rectifier power supply unit with an output port. The third contact is used to contact and connect to the second conductive copper strip. The rectifier power supply unit receives low-voltage DC power through the third contact, rectifies it, and sends it to the output port. The output port is adapted to connect and conduct with the corresponding load.

[0010] A cover plate, which is assembled on the base box, is used to cover the receiving slot.

[0011] The above solution is further provided that the bottom box is provided with a first mounting part and a second mounting part, which are respectively located on the left and right outer sides in the length direction of the bottom box, and the first mounting part and the second mounting part are used to connect and combine with the cabinet.

[0012] A further aspect of the above solution is that one end of the base box is provided with an AC power input control module. The AC power input control module has an input line, a PCB board, a push-button switch, and conductive copper terminals. The outer end of the input line extends from the base box and is used to connect to AC power. The inner end of the input line is electrically connected to the PCB board. The push-button switch and conductive copper terminals are mounted on the PCB board, and the conductive copper terminals are electrically connected to the first conductive copper strip.

[0013] The above solution is further described in that the power module is embedded into the receiving groove by a press-fit method. The inner side wall of the receiving groove is provided with a limiting rib, which extends along the length of the receiving groove. The power module is provided with a first snap ring wrench, which has a retractable first tongue and a first hand-held part that drives the first tongue to retract and unlock. The first tongue extends out under elastic support and snaps onto the lower side of the limiting rib, so that the power module is limited in the vertical direction when embedded in the receiving groove.

[0014] The above solution is further described in that the output module is embedded into the receiving groove by a press-fit method. The inner sidewall of the receiving groove is provided with a limiting rib, which extends along the length of the receiving groove. The output module is provided with a second snap ring wrench, which has a retractable second tongue and a second hand part for driving the second tongue to retract and unlock. The second tongue extends out under elastic support and snaps onto the lower side of the limiting rib, so that the output module is embedded in the receiving groove and is limited in the vertical direction.

[0015] Furthermore, in the above solution, both the power module and the output module are embedded into the receiving slot by magnetic attraction.

[0016] A further aspect of the above scheme is that the bottom box is a U-shaped aluminum alloy profile, and an insulating profile is embedded inside the U-shaped aluminum alloy profile, on which high-voltage and low-voltage tracks are constructed.

[0017] A further improvement of the above scheme is that end caps are respectively provided at both ends of the bottom box, and the end caps are respectively hinged to the cover plate, so that the cover plate can be rotated to open and close.

[0018] The above scheme is further described in that the first contact is an AC high-current spring pin, and the second and third contacts are DC low-current spring terminals.

[0019] Furthermore, the above solution includes a lamp on the outside of the base box, which receives low-voltage DC power from the power module.

[0020] This utility model enables centralized electrical modularization and power supply, effectively shortening the required length of electrical connection wires between loads and lines, saving cabinet space, and facilitating the electrical connection of multiple loads in different locations to the same line. The connection is stable and reliable, improving the convenience and effectiveness of power supply, and effectively preventing the connection wires between different loads from tangling and crossing, thus providing high flexibility.

[0021] This utility model has a simple structure, facilitates module assembly and replacement, optimizes power supply and wiring, and its overall dimensions meet customization requirements, catering to the global trend of customization. It is suitable for delivery and assembly with customized products, and its installation is also quite simple, with strong operability and practicality. Attached Figure Description

[0022] Appendix Figure 1 This is a schematic diagram of the external structure of a preferred embodiment of the present invention;

[0023] Appendix Figure 2 for Figure 1 A structural decomposition diagram of one of the combined forms of the embodiment;

[0024] Appendix Figure 3 for Figure 1A schematic diagram of the structural decomposition of the second combination form of the embodiment;

[0025] Appendix Figure 4 for Figure 1 A schematic diagram of the power module structure in the embodiment;

[0026] Appendix Figure 5 for Figure 4 Another perspective on structural decomposition diagram;

[0027] Appendix Figure 6 for Figure 1 A schematic diagram of the output module structure in the embodiment;

[0028] Appendix Figure 7 for Figure 6 Another perspective on structural decomposition diagram;

[0029] Appendix Figure 8 for Figure 1 A schematic diagram of the mains power input control module in the embodiment;

[0030] Appendix Figure 9 for Figure 8 Exploded view of the mains input control module in the embodiment

[0031] Appendix Figure 10 for Figure 1 Internal structural cross-sectional view of the embodiment;

[0032] Appendix Figure 11 This is a schematic diagram illustrating the installation and use of this utility model. Detailed Implementation

[0033] The following will further explain the concept, specific structure and technical effects of the utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the utility model.

[0034] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These terms are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] See Figures 1-11The diagram shown is a preferred embodiment of the present invention. The present invention relates to a modular centralized storage device for electrical components inside a cabinet, which includes at least: a base box 1, a power module 2, an output module 3, and a cover plate 4. The components are collected and assembled through the base box 1 to adapt to the development of customization.

[0036] The base box 1 has a certain length and a receiving slot 11 is provided in the base box. The receiving slot 11 extends along the length direction of the base box, and parallel high-voltage rails 111 and low-voltage rails 112 are provided on the inner bottom surface of the receiving slot 11. A first conductive copper strip 113 is arranged in the high-voltage rail 111, which is used to introduce 220V mains power; a second conductive copper strip 114 is arranged in the low-voltage rail 112. In this embodiment, the strong and weak voltages are defined based on the comparison between the two. There are two high-voltage rails 111, corresponding to the L and N poles respectively; there are four low-voltage rails 112 to meet the needs of multiple outputs.

[0037] The power module 2 is embedded in the receiving slot 11 and can slide and adjust along the length of the receiving slot 11 for easy installation and positioning. The power module 2 is provided with a first contact 21, a second contact 22, and a transformer unit 23 that electrically connects the first contact 21 and the second contact 22 together. The first contact 21 is used to contact and connect to the first conductive copper strip 113, and the second contact 22 is used to contact and connect to the second conductive copper strip 114. The transformer unit 23 receives 220V mains power through the first contact 21 and converts it into low-voltage DC power. This low-voltage DC power is then transmitted to the second conductive copper strip 114 through the second contact 22, achieving power conversion and output so that various subsequent modules can draw power accordingly. The power modules are available in multiple specifications for output voltage and current configuration. For example, the output voltage can be 5V, 12V, 24V, 36V, etc., and the output power can be 100W, 200W, 300W, etc. Users can select different models of power modules to install according to the actual load working voltage / current requirements. When the output voltage is the same, users can also install one or more power modules according to the actual load power.

[0038] The output module 3 is embedded in the receiving slot 11 and can slide and adjust along the length of the receiving slot 11 for easy installation and positioning. The output module 3 is provided with a third contact 31 and a rectifier power supply unit 32 with an output port 321. The third contact 31 is used to contact and connect to the second conductive copper strip 114. The rectifier power supply unit 32 receives low-voltage DC power through the third contact 31, rectifies it, and sends it to the output port 321. The output port 321 is adapted to connect and conduct with the corresponding load. The output port 321 is preferably a plug-and-play type for easy and quick assembly. There can be multiple output ports 321, which can be distributed in different positions as needed. The output ports 321 can be 2.54mm DuPont ports, 2.0mm ports, 3P ports, 20P ports, etc., to meet different needs. The output module uses a rectifier power supply unit 32 to step down the voltage, and can output different voltages according to the load input voltage requirements of different output ports. That is, different ports such as A, B, C, and D on the output module can output different voltages, such as DC5V for output port A, DC12V for output port B, DC24V for output port C, DC36V for output port D, etc., to meet the power needs of different loads.

[0039] The cover plate 4 is assembled on the bottom box 1. The cover plate 4 is used to cover the receiving slot 11, which serves to protect and prevent dust, so that the device forms a box-shaped component. When assembled into the cabinet, it achieves a hidden function and does not affect the storage function inside the cabinet.

[0040] This utility model enables centralized modular electrical installation, achieving centralized power supply. It effectively shortens the required length of electrical connection cables between loads and lines, saving cabinet space. It also facilitates the electrical connection of multiple loads in different locations to the same line, ensuring stable and reliable connections, improving power supply convenience and efficiency. Furthermore, it effectively prevents tangling and crossing of connection cables between different loads, offering high flexibility. The overall dimensions can be customized, catering to the global trend of customization. It is suitable for delivery and assembly with customized products, and installation is quite simple, offering strong operability and practicality.

[0041] Figure 1 , 2 As shown in Figures 9, 10, and 11, the base box 1 in this embodiment is further provided with a first mounting part 12 and a second mounting part 13. The first mounting part 12 and the second mounting part 13 are respectively located on the left and right outer sides along the length of the base box. The first mounting part 12 and the second mounting part 13 are used to connect and combine with the cabinet. In this embodiment, the first mounting part 12 is designed as a hook to achieve quick hanging and installation; while the second mounting part 13 is designed as an outward-flaring overlapping edge to achieve overlapping connection and obtain corresponding support. Figure 11As shown, during assembly, the cabinet shelf 901 has a pre-cut inset part that is close to the cabinet back panel 902. The cabinet back panel 902 is provided with corresponding mounting buckles. The present invention is embedded in the above-mentioned inset part, and the first mounting part 12 is fixed with the mounting buckle at the corresponding position of the cabinet back panel. The second mounting part 13 is overlapped and fixed with the shelf. The structure is simple and easy to disassemble and assemble.

[0042] Figure 2 , 7 As shown in Figures 8 and 9, one end of the base box 1 in this embodiment is equipped with a mains power input control module 5. This mains power input control module 5 has an input line 51, a PCB board 52, a push-button switch 53, and conductive copper terminals 54. The outer end of the input line 51 extends from the base box 1 and is used to connect to the mains power. The inner end of the input line 51 is electrically connected to the PCB board 52. The push-button switch 53 and conductive copper terminals 54 are mounted on the PCB board 52, and the conductive copper terminals 54 are electrically connected to the first conductive copper strip 113. 220V mains power is input via the input line 51, through the PCB board and the push-button switch to the conductive copper terminals. There are two conductive copper terminals, each connected to the L and N poles corresponding to different first conductive copper strips 113 via copper bolts, achieving mains power input. The push-button switch 53 is used for mains power input or cut-off state control. The mains power input control module 5 is integrated into the base box 1, forming a standardized system that facilitates production and installation.

[0043] In this embodiment, the base box 1 is a U-shaped aluminum alloy profile, and an insulating profile 6 is embedded inside the U-shaped aluminum alloy profile. A high-voltage track 111 and a low-voltage track 112 are constructed on the insulating profile 6, which not only satisfies the product's structural integrity and manufacturing convenience but also achieves better insulation safety. The insulating profile 6 is fixed to the base box. A first conductive copper strip 113 and a second conductive copper strip 114 are respectively embedded into the high-voltage track 111 and low-voltage track 112 pre-constructed on the insulating profile 6. The insulating profile 6, the first conductive copper strip 113, and the second conductive copper strip 114 are assembled and fixed using snap-fit ​​mechanisms such as adhesive. End caps 7 are respectively provided at both ends of the base box 1, and the end caps 7 are hinged to the cover plate 4, allowing the cover plate 4 to rotate and open for convenient use. The cover plate 4 is preferably also made of aluminum alloy, which is easy to manufacture, has sufficient compressive strength to meet the covering function, and also has a certain load-bearing capacity. In this embodiment, a positioning pivot 71 is provided on the inner side of the end cover 7, and positioning holes are provided at both ends of the cover plate 4. The positioning pivot 71 is inserted into the positioning holes to achieve a hinged connection between the end cover 7 and the cover plate 4, allowing the cover plate 4 to rotate and open. Furthermore, in this embodiment, one of the end covers 7 is integrated with the mains input control module 5. The end cover 7 provides corresponding installation and support to facilitate the installation and stability of the input line 51, PCB board 52, push-button switch 53, and conductive copper terminal 54. A lighting control unit is also integrated on the other end cover 7 to enhance functionality. The lighting control unit draws power from the power module 2 and supplies it to the lighting fixture 8 for illumination. The lighting fixture 8 is located on the outside of the base box 1. Specifically, the lighting fixture 8 is composed of an LED light strip 81 and a lens 82, but it is not limited to this form of lamp body. At this point, a chamfer is made at the lower front corner of the base box 1 to obtain the required beveled plane. A light trough is then provided on this beveled plane, and the LED light strip is embedded in the light trough. The lens 82 is then pressed in and fastened. After power is applied, the LED light strip emits light and shines through the lens 82 to provide illumination or create a corresponding ambient atmosphere. The lens 82 can be made of acrylic material, which is convenient for manufacturing and installation.

[0044] Figure 2As shown, in this embodiment, the power module 2 and the output module 3 are embedded into the receiving groove 11 by a press-fit method. At this time, the inner sidewall of the receiving groove 11 is provided with a limiting rib 115, which extends along the length of the receiving groove. The power module 2 is provided with a first snap ring wrench 24, which has a retractable first tongue portion 241 and a first hand grip portion 242 for driving the first tongue portion 241 to retract and unlock. The first tongue portion 241 extends out under elastic support and engages with the lower side of the limiting rib 115, so that the power module 2 is limited in the vertical direction when embedded in the receiving groove 11. The output module 3 is equipped with a second snap ring wrench 33. The second snap ring wrench 33 has a retractable second tongue portion 331 and a second handheld portion 332 that drives the second tongue portion 331 to retract and unlock. The second tongue portion 331 extends under elastic support and engages with the lower side of the limiting rib 115, so that the output module 3 is embedded in the receiving groove 11 and is limited in the vertical direction. In this embodiment, the first snap ring wrench 24 and the second snap ring wrench 33 are symmetrically arranged, which not only achieves symmetrical limiting effect and improves installation stability, but also facilitates handheld operation for unlocking, achieving quick disassembly and maintenance.

[0045] In use, when the power module 2 or output module 3 is pressed into the receiving groove 11, the first tongue 241 of the first snap ring wrench 24 or the second tongue 331 of the second snap ring wrench 33 retracts inward when it touches the limiting rib 115 (the extension force is provided by a pre-tightening spring). The power module 2 or output module 3 continues to be pressed into the bottom of the receiving groove. When the first tongue 241 or the second tongue 331 passes the limiting rib 115, it automatically pops out to the underside of the limiting rib, thereby achieving vertical limiting of the power module 2 or output module 3. When sliding adjustment is required, it can also ensure that the first contact 21 and the second contact 22 at the bottom of the power module are in close contact with the corresponding first conductive copper strip 113 or second conductive copper strip 114, respectively, and the third contact 31 at the bottom of the output module is in close contact with the second conductive copper strip 114, thus improving the connection stability. In this embodiment, the first contact 21 is an AC high-current spring pin, and the second contact 22 and the third contact 31 are DC low-current spring terminals, which have good flexibility and durability, ensuring electrical connection and also meeting sliding requirements.

[0046] After the power module 2 or output module 3 is installed, it not only achieves electrical connection but also allows for movement and adjustment, facilitating the installation and positioning of different modules. When it is necessary to replace or maintain the power module 2 or output module 3, simply grip the first handpiece 242 of the first retaining ring wrench 24 or the second handpiece 332 of the second retaining ring wrench 33 with one hand, causing the first tongue portion 241 or the second tongue portion 331 to retract relatively, allowing the corresponding module to be removed. Disassembly and assembly are quite simple.

[0047] Of course, such as Figure 3As shown, the present invention can also use a magnetic structure to fix the power module 2 or the output module 3. Magnetic components that can be paired and attracted can be set on the inner wall of the receiving groove 11 and on the power module 2 and the output module 3 respectively, so that the power module 2 and the output module 3 can be embedded in the receiving groove 11 by magnetic attraction, thus achieving the same effect of convenient installation, power supply, disassembly and maintenance.

[0048] In this embodiment, utilizing the above-described installation method, corresponding functional modules can also be expanded and installed in the base box 1, which not only facilitates power supply but also enhances the functionality of the cabinet. The shape, structure, size, installation, and removal methods of the functional modules are similar to those of the power supply module or output module. Based on the cabinet's internal functions or intelligent control needs, the functional modules can be categorized as follows:

[0049] 1. A main control module for intelligent control, such as a wireless gateway or DILI main control module, is powered by the first conductive copper strip 113 or the second conductive copper strip 114 and communicates with the output module or terminal control device or other host computer through the communication input / output port of this utility model.

[0050] 2. Modules for internal cabinet functions, such as aromatherapy, disinfection, ventilation, drying, and other independent functional application components. Depending on the actual input voltage and power requirements, these functional components can be connected to the first conductive copper strip 113 at the bottom of the functional module to achieve high-voltage input (e.g., heating and drying functions), or they can be connected to the second conductive copper strip 114 via a low-voltage 4P spring terminal (e.g., aromatherapy, disinfection, air purification, etc.) to obtain the required functions. This not only allows for centralized storage of modules but also facilitates power access.

[0051] While the preferred embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention should not be limited to the same structure and operation as described above and the accompanying drawings. For those skilled in the art, many equivalent improvements and variations can be made to the above embodiments through logical analysis, reasoning or limited experiments without exceeding the concept and scope of the present invention, but these improvements and variations should all fall within the scope of protection claimed by the present invention.

Claims

1. An in-cupboard electrical modular containment device, characterized in that, At least comprising: The bottom box (1) has a length, and a receiving groove (11) is arranged in the bottom box. The receiving groove (11) extends along the length direction of the bottom box, and parallelly distributed strong electric tracks (111) and weak electric tracks (112) are arranged on the inner bottom surface of the receiving groove (11). A first conductive copper strip (113) is arranged in the strong electric track (111), and the first conductive copper strip (113) is used for leading in 220V mains; a second conductive copper strip (114) is arranged in the weak electric track (112); A power module (2) is embedded in the receiving groove (11) and can be adjusted in sliding along the length direction of the receiving groove (11). The power module (2) is provided with a first contact (21), a second contact (22) and a voltage conversion unit (23) electrically connecting the first contact (21) and the second contact (22) together. The first contact (21) is used for contact connection with the first conductive copper strip (113), the second contact (22) is used for contact connection with the second conductive copper strip (114), and the voltage conversion unit (23) converts 220V mains received by the first contact (21) into low-voltage direct current, which is delivered to the second conductive copper strip (114) through the second contact (22); An output module (3) is embedded in the receiving groove (11) and can be adjusted in sliding along the length direction of the receiving groove (11). The output module (3) is provided with a third contact (31) and a rectifier power supply unit (32) with an output port (321). The third contact (31) is used for contact connection with the second conductive copper strip (114), and the rectifier power supply unit (32) rectifies and delivers the low-voltage direct current received by the third contact (31) to the output port (321), and the output port (321) is adapted to be connected with a corresponding load to be turned on. A cover plate (4) is assembled on the bottom box (1), and the cover plate (4) is used for covering the receiving groove (11).

2. An in-cupboard electrical modular containment device according to claim 1, wherein, The bottom box (1) is provided with a first mounting portion (12) and a second mounting portion (13). The first mounting portion (12) and the second mounting portion (13) are respectively arranged on the left and right outer sides of the length direction of the bottom box, and the first mounting portion (12) and the second mounting portion (13) are used for connecting and combining with a cabinet body.

3. An in-cabinet electrical modular containment device according to claim 1, wherein, One end of the bottom box (1) is provided with a mains input control module (5). The mains input control module (5) has an input line (51), a PCB board (52), a press switch (53) and a conductive copper terminal (54). The outer end of the input line (51) extends out of the bottom box (1) and is used for connecting mains. The inner end of the input line (51) is in conductive connection with the PCB board (52). The press switch (53) and the conductive copper terminal (54) are mounted on the PCB board (52), and the conductive copper terminal (54) is in conductive connection with the first conductive copper strip (113).

4. An electrical modular centralized containment device in a cabinet according to claim 1, wherein, The power module (2) is embedded into the accommodating groove (11) by press-in clamping, the inner side wall of the accommodating groove (11) is provided with a limiting rib (115), and the limiting rib (115) extends along the length direction of the accommodating groove; the power module (2) is provided with a first clamping spring wrench (24), the first clamping spring wrench (24) has a first tongue piece part (241) capable of stretching and retracting and a first hand-held part (242) for driving the first tongue piece part (241) to retract and unlock, the first tongue piece part (241) is stretched out and clamped on the lower side of the limiting rib (115) under the elastic support, and the power module (2) is embedded into the accommodating groove (11) and is limited in the up-down direction.

5. An electrical modular centralized containment device in a cabinet according to claim 1, wherein, The output module (3) is embedded into the accommodating groove (11) by press-in clamping, the inner side wall of the accommodating groove (11) is provided with a limiting rib (115), and the limiting rib (115) extends along the length direction of the accommodating groove; the output module (3) is provided with a second clamping spring wrench (33), the second clamping spring wrench (33) has a second tongue piece part (331) capable of stretching and retracting and a second hand-held part (332) for driving the second tongue piece part (331) to retract and unlock, the second tongue piece part (331) is stretched out and clamped on the lower side of the limiting rib (115) under the elastic support, and the output module (3) is embedded into the accommodating groove (11) and is limited in the up-down direction.

6. An electrical modular centralized containment device in a cabinet according to claim 1, wherein, The power module (2) and the output module (3) are embedded into the accommodating groove (11) by magnetic attraction.

7. An in-cupboard electrical modular containment device according to claim 1 or 2, wherein, The bottom box (1) is a U-shaped aluminum alloy profile, and an insulating profile (6) is embedded in the inside of the U-shaped aluminum alloy profile, and the insulating profile (6) is provided with a strong current track (111) and a weak current track (112).

8. An in-cupboard electrical modular containment device according to claim 7, wherein, The two end heads of the bottom box (1) are respectively provided with end covers (7), and the end covers (7) are respectively hinged to the cover plates (4), so that the cover plates (4) can be rotated to open and close.

9. An electrical modular centralized containment device in a cabinet according to claim 1, wherein, The first contact (21) is an AC large-current spring needle, and the second contact (22) and the third contact (31) are DC weak current spring sheet terminals.

10. An electrical modular centralized containment device in a cabinet according to claim 1, wherein, The outside of the bottom box (1) is further provided with a lamp (8), and the lamp obtains low-voltage direct current from the power module (2).

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