Panel converter

Abstract

The utility model discloses a panel converter, which comprises a rear shell and a panel, the rear shell comprises a bottom wall and a side wall, the bottom wall comprises a first bottom wall and a second bottom wall, the second bottom wall shrinks inwards towards the direction of the panel to form a first plug-in space and a power supply plug-in end, and the height of the power supply plug-in end is lower than that of the first bottom wall. The power supply plugging end is provided with at least a null line pin and a live line pin, the rear shell and one side of the panel enclose an accommodating space in which a conversion circuit is installed, and the null line pin and the live line pin extend out of the second bottom wall to ensure the plugging length of the pins. According to the panel converter provided by the utility model, the conversion circuits with different functions are arranged at the rear part of the panel in a modularized manner, and the plug-in electric connection between the power supply plug-in end and the switching electric box is completed within the height range of the rear shell in a spatial dislocation manner; the panel converter outputs intelligently-controlled alternating current or direct current to an electric terminal in a switching mode with a small size, the panel converter can be completely embedded in a wall after being installed, the wall surface is flat and attractive, and meanwhile the panel converter is rich in function and convenient to assemble and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent switch panels of the Internet of Things, and in particular to a panel converter. Background Art

[0002] With the development of the Internet and Internet of Things technology, smart furniture is becoming more and more popular and used, such as smart door locks, electric curtains, or smart home appliances.

[0003] In the prior art, in order to use smart furniture, it is necessary to set up a smart or scene switch converter. At the same time, in order to use a smart terminal, such as a mobile phone or a tablet computer, it is necessary to provide different power supplies, such as AC power output or USB DC voltage output.

[0004] Existing intelligent or scene switch converters generally extend from a standard AC power socket on the wall to a multi-way branch adapter board, and further extend from the adapter board to a smart switch panel and a multi-port USB panel.

[0005] The standard size of the existing 86-type wiring dark box is 86*86*32 mm. The existing conventional sockets installed based on the 86-type wiring dark box are generally fixed to the 86-type wiring dark box concealed in the wall with five or four holes. Because the concealed installation is beautiful and generous, it has been widely used as a building material standard. The conventional socket is generally five or four holes to provide power for various electrical appliances in office and life. In the Internet of Things or remote control or DC multi-port output scenarios, plugging in conventional branch adapters requires occupying a large space of the wall standard wiring bottom box, and it is necessary to further protrude the wall on the basis of the branch adapter to plug in various smart panels. The above conventional branch adapters and various smart panels plug-in methods make the smart conversion device protrude higher from the wall as a whole, affecting the beauty of the interior decoration. In addition, in the multi-layer superimposed plug-in method, the pins of the panel need to realize their own mechanical connection in addition to establishing an electrical connection, and are easy to fall off when the plug-in is unstable or accidentally collided. For the use of smart furniture based on the Internet of Things, the electrical connection stability is poor, affecting the overall use experience. Utility Model Content

[0006] Based on this, in order to solve the above-mentioned problems in traditional technologies, the utility model proposes a conversion circuit with different functions arranged on the rear of the panel in a modular manner, and completes the plug-in electrical connection between the power plug terminal and the adapter box within the height range of the rear shell through spatial dislocation, so as to output intelligently controlled AC or DC power to the power terminal in a smaller volume. After installation, the panel converter has rich functions and is easy to assemble and disassemble, while making the wall surface flat and beautiful.

[0007] The utility model relates to a panel converter, comprising a rear shell and a panel, the rear shell comprising a bottom wall and a side wall, the bottom wall comprising a first bottom wall and a second bottom wall, the second bottom wall is retracted inwardly toward the panel to form a first plug-in space and a power plug-in terminal whose height is lower than the bottom wall, the power plug-in terminal is at least provided with a neutral wire pin and a live wire pin in the first plug-in space, the rear shell and the panel enclose a accommodating space for internally installing a conversion circuit, the neutral wire pin and the live wire pin extend from the second bottom wall to ensure the plug-in length of the pin, and the neutral wire pin and the live wire pin pass through the second bottom wall to be electrically connected to the conversion circuit.

[0008] The rear shell also includes a mounting plate, and the mounting plate is provided with a mounting structure of the conversion circuit in the accommodating space.

[0009] The conversion circuit includes at least one of an AC output circuit, an AC output control circuit, an AC to DC circuit, an AC to wireless power output and a low-voltage power circuit.

[0010] When the conversion circuit is provided with an AC output circuit, at least a live wire socket and a neutral wire socket are provided on the panel, and the AC output circuit at least includes a neutral wire output reed and a live wire output reed installed on the installation structure.

[0011] In order to comply with safety regulations, the mounting plate is provided with a safety door mechanism at the position of the live wire output reed, and the safety door mechanism includes a safety door plate slidably arranged on the mounting plate, an inclined push door is provided on the safety door plate, the inclined push door is aligned with the live wire output reed and the live wire socket, and the safety door plate is provided with a spring.

[0012] In one embodiment, the rear shell further comprises a safety door mechanism disposed between the panel and the rear shell, the safety door mechanism comprising an inclined push door and a return spring, the inclined push door being aligned with the position of the live wire output reed and the live wire socket.

[0013] In another embodiment, the panel further comprises a safety door mechanism disposed between the panel and the rear shell, the safety door mechanism comprising an inclined push door and a return spring, the inclined push door being aligned with the position of the live wire output reed and the live wire socket.

[0014] In the three-pin embodiment, the power plug end further includes a ground pin, the ground pin is electrically connected to the conversion circuit, the AC output circuit further includes a ground output reed, and a ground socket is also provided on the panel.

[0015] In other embodiments of the ground pin, the power plug end further includes a ground contact spring, which is an outwardly protruding grounding piece protruding from the first bottom wall, or a metal spring, or an inwardly recessed grounding piece.

[0016] In the intelligent output control embodiment, the rear shell also includes a third bottom wall, which is retracted inward toward the panel to form a second plug-in space and a control plug-in end whose height is lower than that of the first bottom wall. The control plug-in end is provided with at least one live wire pin or live wire connector connected to the conversion circuit, and each live wire pin or live wire connector is connected to the conversion circuit through a relay. The at least one live wire pin or live wire connector extends from the third bottom wall to ensure the plug-in length of the pin.

[0017] The control plug end comprises a bottom step, a middle step and a top step, and the at least one live wire pin or live wire connector extends from one of the bottom step, the middle step and the top step.

[0018] In the quick-release structure design, a quick-release locking mechanism is arranged on the top and / or bottom of the panel, and the quick-release locking mechanism includes a lock seat, a locking spring and an operating member. The lock seat is provided with a pair of guide posts and a positioning protrusion, and the operating member includes a pressing portion, a pair of guide holes, a spring hole and a pair of hooks. The operating member is slidably supported on the lock seat through the guide holes and the guide posts, and the locking spring is supported on the positioning protrusion of the lock seat and extends into the spring hole to elastically support the operating member.

[0019] The panel converter of the utility model can be conveniently and quickly plugged into the transfer box through the quick-release structure set at the upper and lower positions of the panel, and combined with the transfer box, it is connected to the mains line in the optimal spatial arrangement. After the panel converter is snapped onto the transfer box, the panel converter and the transfer box are completely stored in the standard wiring bottom box on the wall, and sufficient winding space can be left. After installation, the panel converter and the transfer box can be completely embedded in the wall, and the wall surface is flat and beautiful. At the same time, the panel converter adopts different conversion circuits, which can support various intelligent application controls, Internet of Things controls and remote controls with the smallest volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] in:

[0022] Figure 1 This is a schematic diagram of the front view combined with the side view structure of the spatially dislocated panel converter of this embodiment;

[0023] Figure 2 This is a rear housing structure diagram of the first embodiment of the panel converter of this embodiment;

[0024] Figure 3 for Figure 2 The internal structure schematic diagram of the first embodiment is shown;

[0025] Figure 4 for Figure 2 A schematic diagram of the panel structure of the first embodiment is shown;

[0026] Figure 5 This is a schematic diagram of the exploded structure of the socket panel of the second embodiment of the panel converter of this embodiment;

[0027] Figure 6 for Figure 5 A schematic diagram of the quick-insert structure of the illustrated embodiment;

[0028] Figure 7 is a rear structural schematic diagram of a third embodiment of the panel converter of this embodiment;

[0029] Figure 8 It is a structural diagram of a middle frame electrical box with a second ground wire structure that is plugged in with the panel converter of this embodiment;

[0030] Fig. 9 It is a structural diagram of a middle frame electrical box with a third ground wire structure that is plugged in with the panel converter of this embodiment;

[0031] Fig.10 It is a structural diagram of a middle frame electrical box with a first ground wire structure that is plugged in with the panel converter of this embodiment;

[0032] Fig.11 Schematic diagram of the spatial relationship between the panel converter and the middle frame electrical box after being buckled together in this embodiment. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Please refer to Fig.10 , which is a schematic diagram of the structure of the adapter box engaged with the panel converter of this embodiment.

[0035] Please refer to Fig.11 , because most of the structure is blocked by the switch box, Fig.11 The structure shown by the dotted line is the panel converter of this embodiment.

[0036] The switching box includes a frame 9 and a switching module 92. The bottom wall and four side walls of the frame 9 need to be installed with an 86-type dark box or an open box, such as an 86-type dark box 100, and a winding space S is reserved at the bottom of the 86-type junction box 100, wherein the frame of the frame 9 is substantially flush with the top of the 86-type junction box 100. After the frame and the card-mounted panel converter are installed in the junction box 100, they are still substantially flush with the wall like a common socket.

[0037] like Figure 1 As shown, the panel converter of this embodiment includes a rear shell 5 and a panel 1.

[0038] The rear shell includes a bottom wall 50 and side walls around the bottom wall. The bottom wall 50 includes a first bottom wall 501 and a second bottom wall 502. The second bottom wall 502 is retracted toward the panel 1 to form a first plug-in space P1 and a power plug terminal 51 whose height is lower than the first bottom wall 501. The height is relative to the panel 1, that is, the height of the panel 1 to the bottom wall and the height of the panel 1 relative to the power plug terminal 51. The power plug terminal 51 is provided with at least a neutral pin and a live pin in the first plug-in space P1. The rear shell 5 and the panel 1 form a storage space P2 for installing a conversion circuit inside. The neutral pin and the live pin pass through the rear shell 5 and are electrically connected to the conversion circuit. The neutral pin and the live pin extend from the second bottom wall 502 to ensure the plug-in length of the pin. Figure 1 In the illustrated embodiment, a neutral pin 551 , a ground pin 552 and a live pin 553 are provided on the power plug terminal 51 .

[0039] In terms of space utilization of the first plug-in space, the panel 1 includes a mounting plate 12 and a cover 11, wherein the mounting plate 12 is fixed behind the cover 11 or mounted on the rear housing 5. The bottom wall 50 of the rear housing 5 can be divided into a plurality of module areas within a transverse plane range. Figure 1 In the illustrated embodiment, four module areas A1-A4 are provided. Figure 2 In the illustrated embodiment, the second bottom wall 502 belongs to the second module area A2, and the remaining module areas A1, A3 and A4 are flat as a whole. When the panel expands its functions, different module structures can be set in other module areas, such as the control plug terminal 52 in the subsequent embodiments. The power plug terminal 51 is formed within the second module area A2 and includes a bottom step 511, a middle step 512 and a top step 513. Among them, the neutral pin 551, the ground pin 552 and the live pin 553 extend from the bottom step 511. Setting the pin from the bottom step closest to the panel can fully extend the length of the pin, leaving enough plugging space for the neutral pin 551, the ground pin 552 and the live pin 553.

[0040] exist Figure 1In the illustrated embodiment, in order to adapt to the 86-walled box arrangement of the building line row, the length D2 of the panel 1 of the panel converter is within the range of 88 mm and the width D3 is within the range of 88 mm.

[0041] The bottom of the rear housing 5 is provided with a plurality of module areas within a horizontal plane range, that is, within a plane range formed by the X-axis and the Y-axis. Figure 1 In the illustrated embodiment, four module areas A1-A4 are provided, but it is understandable that two module areas, three module areas or five module areas may also be provided, wherein a single module area does not exceed one half of the area of ​​the rear shell.

[0042] exist Figure 1 In the illustrated embodiment, in the internal space of the rear shell 5, except for the second module area A2 where the power plug terminal 51 is set on the bottom wall 50, that is, the remaining module areas, such as the internal space of the combined module area 54 corresponding to A1, A3 and A4 in the rear shell, form a storage space for installing the conversion circuit. The conversion circuit may include at least one of an AC output circuit, an AC output control circuit, an AC to DC circuit, an AC to wireless power output and a low-voltage power circuit, depending on the different functions of the panel. Correspondingly, the panel 1 may be a smart panel or a DC panel, such as a scene switch panel, a multi-port USB fast charging panel, a smart socket panel or a smart switch panel, depending on the different conversion circuits used.

[0043] Figure 3 as well as Figure 4 The illustrated embodiment is a smart socket panel, on the surface cover 11 of which a three-hole socket B, a two-hole socket A and a switch module C are arranged.

[0044] Figure 5 The illustrated embodiment is a multi-port USB fast charging panel, on the face cover 11 of which a plurality of USB interfaces or Type-C interfaces connected to the AC-DC conversion circuit are provided, and a two-hole socket A may also be provided, or in other embodiments, a three-hole socket may be changed or added.

[0045] exist Figure 5 In the illustrated embodiment, the rear housing 5 is provided with a first plug hole 5111 , a second plug hole 5112 and a third plug hole 5113 on the bottom step 511 of the power plug end in the first plug space.

[0046] like Fig.10As shown, the power plug end 51 of the panel 1 matches the adapter module 92 of the adapter box. The adapter module 92 also includes a bottom step, a middle step and a top step with matching structures. In order to firmly plug and maintain electrical connection, the panel socket of the adapter box is set on the top step at the highest position. The top step of the adapter box is close to the bottom step 511 of the panel 1 so as to be sufficiently close to each other to establish an electrical connection. When plugging, the neutral pin 551, the ground pin 552 and the live pin 553 of the panel 1, or in an embodiment where the ground wire is not provided, the neutral pin 551 and the live pin 553 need to be plugged into the corresponding sockets in the electrical box. The panel plug end of the plug-in electrical box 9 needs to be raised in height so as to be sufficiently close to the pins on the most concave bottom step 511 of the panel 1 to establish an electrical connection. The pins of the panel 1, such as pin 551, are led out from the conversion circuit board 3, and the conversion circuit board 3 is generally fixed on the panel 1. The height of the top step of the adapter box 9 needs to be sufficiently close to the pins 551-553 of the panel to ensure a fully stable electrical connection.

[0047] exist Figure 3 as well as Figure 4 In the embodiment of the smart socket panel shown, the mounting plate 12 of the rear shell 5 is further provided with a mounting structure of the conversion circuit in the accommodation space P2, such as a pin mounting assembly 125 and a fixing stud. The neutral pin 551 and the live pin 553 pass through the first pin hole 5111 and the third pin hole 5113 of the second bottom wall 502 to be electrically connected to the conversion circuit 3.

[0048] The conversion circuit installed in the accommodation space P2 of the rear shell 5 includes an AC output circuit. According to the power demand, a three-hole socket B, a two-hole socket A and a switch module C electrically connected to the conversion circuit board 3 are provided. The mounting plate 12 is provided with a three-hole socket window, a two-hole socket window and a switch window, such as a switch window 23. The cover 11 is provided with a group of neutral line sockets, a ground line socket and a live line socket corresponding to the three-hole socket B. The cover 11 is provided with a group of neutral line sockets and live line sockets corresponding to the two-hole socket A, such as a neutral line socket 116 and a live line socket 117.

[0049] exist Figure 3 as well as Figure 4 In the embodiment of the smart socket panel shown, the AC output circuit connects the neutral output reed, the ground output reed and the live output reed installed on the mounting structure. The AC output circuit connects the neutral output reed and the live output reed of the two-hole socket A, such as the neutral output reed 341 and the live output reed 342.

[0050] In order to meet safety regulations, the mounting plate 12 on one side of the cover 11 is provided with a safety door mechanism at each live wire output reed position. For example, a first safety door mechanism is provided on the three-hole socket window corresponding to the live wire output reed of the three-hole socket B, and a second safety door mechanism is provided on the two-hole socket window corresponding to the live wire output reed of the two-hole socket A.

[0051] Each safety door mechanism is arranged on the mounting plate 12 and changes according to the mounting position of the mounting plate. When the mounting plate 12 is fixed behind the face cover 11, the safety door mechanism is also fixed between the face cover 11 and the mounting plate. When the mounting plate 12 is fixed on the rear shell 5, the safety door mechanism is arranged on the mounting plate 12.

[0052] The first safety door mechanism includes a safety door plate 25 slidably disposed on the three-hole socket window of the mounting plate 12, and an inclined push door 26 is provided on the safety door plate 25, and the inclined push door 26 is aligned with the fire output spring at the rear and the fire socket of the cover, and the first safety door plate is provided with a reset spring providing a restoring force. The second safety door mechanism includes a safety door plate 21 slidably disposed on the two-hole socket window of the mounting plate 12, and an inclined push door 22 is provided on the safety door plate 21, and the inclined push door 22 is aligned with the fire output spring at the rear and the fire socket of the cover, and the first safety door plate is provided with a reset spring (not shown) providing a restoring force.

[0053] Figure 3 In the embodiment of the smart socket panel shown, the ground pin is not necessarily provided. It is only provided in the scenario of high-power terminal appliances. For example, the two-hole socket A does not need to provide a ground structure. Figure 5 In the embodiment of the multi-port USB fast charging panel shown, there is no need to set a ground pin.

[0054] In the three-pin embodiment of high-power scenario, the power plug end 51 can be additionally provided with a ground pin. The ground pin is electrically connected to the conversion circuit. In this case, the AC output circuit also includes a ground output spring, and the cover 11 also has a ground socket.

[0055] At the power input, the grounding structure is not limited to Figure 2 or Figure 3 In other embodiments of the grounding pin, the power plug end further comprises a grounding contact spring, which is an external convex grounding piece protruding from the bottom wall 50, or a metal spring, or an internal concave grounding piece.

[0056] like Figure 8The figure shows the separate grounding structure of the plug-in terminal of the adapter box matched with the panel. In the embodiment of separately setting the ground wire, the power plug-in terminal 51 is no longer provided with a ground wire pin 552 on the bottom step 511 of the second bottom wall 502 of the rear shell 5, but a separate ground wire interface is provided on the bottom step 511. Correspondingly, the adapter box 9' matched with the panel is also separately provided at the bottom Figure 8 As shown in the external protruding grounding piece 2135', the switching module of the switching box 9' is only provided with a live wire socket 2136' and a neutral wire socket 2137'. The structure of the external protruding grounding piece of the panel is the same as that of the switching module.

[0057] Please refer to Fig. 9 , which shows another grounding structure diagram of the plug-in end of the transfer box that matches the panel. The ground contact spring of the transfer box 9" can be Fig. 9 The spring-type spring 2135" is shown. At this time, the switching module is provided with a live wire socket 2136" and a neutral wire socket 2137". The ground wire contact spring can also be a concave grounding piece. The metal spring of the panel or the concave grounding piece has the same structure.

[0058] Please refer to Figure 7 In the intelligent output control embodiment, the rear shell 5 also includes a third bottom wall 503, which retracts inward toward the panel 1 to form a second plug-in space P3 and a control plug-in terminal 52 whose height relative to the panel 1 is lower than that of the first bottom wall 501.

[0059] The control plug-in terminal 52 is provided with at least one live wire pin or live wire connector in the second plug-in space. Figure 7 In the illustrated embodiment, three live pins are provided, such as live pin 561. Each live pin or live connector is connected to the conversion circuit via a relay, and the live pin or live connector extends from the third bottom wall 503 to ensure the plug-in length of the pin.

[0060] The structure of the control plug-in terminal 52 is the same as that of the power plug-in terminal 51 and they are symmetrically arranged.

[0061] Please refer to Figure 1 In this embodiment, the control plug end 52 includes a bottom step 521, a middle step 522 and a top step 523. The top step 513 of the power plug end 51 is coplanar with the top step 523 of the control plug end 52. Three live wire pins or live wire connectors extend from one of the bottom step, the middle step and the top step.

[0062] like Figure 6 As shown, in the quick-release structure design of the panel 1 and the adapter box 9, a quick-release locking mechanism is provided at the top and / or bottom of the panel. Specifically, quick-release locking mechanisms are provided in pairs at the upper and lower parts of the panel, such as Figure 3In the illustrated embodiment, the panel includes a top quick release locking mechanism 72 and a bottom quick release locking mechanism 75. Alternatively, only the top or the bottom may be provided with a quick release locking mechanism.

[0063] Taking the top quick-release locking mechanism 72 as an example, the quick-release locking mechanism includes a locking seat 71 , a locking spring 73 and an operating member 72 .

[0064] The cover 11 includes a pair of fixing posts, a first fixing post 113 and a second fixing post 114. The lock base 71 defines a pair of assembly holes 711-712, a pair of guide posts 713-714 and a positioning protrusion 715. The operating member 72 includes a pressing portion 721, a pair of guide holes 726-727, a spring hole 725 and a pair of hooks 723.

[0065] The first fixing column 113 and the second fixing column 114 of the cover 11 are inserted into the assembly holes 711-712 of the corresponding lock seat 71, and the lock seat 71 is installed on the cover. The guide hole of the operating member 72 is inserted into a pair of guide columns 713-714 of the lock seat 71, so as to be slidably supported on the lock seat 71. The locking spring 73 is supported on the positioning protrusion 715 of the lock seat 71 and extends into the spring hole 725 of the operating member 72 to elastically support the operating member 72. The double guide holes and elastic support structure of the above quick-release locking mechanism make the plugging of the panel and the switching box more stable and smoother.

[0066] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A panel converter, characterized in that: It includes a rear shell and a panel, the rear shell includes a bottom wall and a side wall, the bottom wall includes a first bottom wall and a second bottom wall, the second bottom wall is retracted toward the panel to form a first plug-in space and a power plug-in terminal whose height is lower than that of the first bottom wall, the power plug-in terminal is at least provided with a neutral wire pin and a live wire pin, the rear shell and the panel form a accommodating space for installing a conversion circuit inside, the neutral wire pin and the live wire pin extend from the second bottom wall to ensure the plug-in length of the pin, and the neutral wire pin and the live wire pin pass through the second bottom wall to be electrically connected to the conversion circuit.

2. The panel converter according to claim 1, characterized in that: The rear shell further comprises a mounting plate, and the mounting plate is provided with a mounting structure of the conversion circuit in the accommodating space.

3. The panel converter according to claim 2, characterized in that: The conversion circuit includes at least one of an AC power output circuit, an AC power output control circuit, an AC to DC circuit, an AC to wireless power output and a low-voltage power circuit.

4. The panel converter according to claim 3, characterized in that: When the conversion circuit is an AC output circuit, at least a live wire socket and a neutral wire socket are provided on the panel, and the AC output circuit at least includes a neutral wire output reed and a live wire output reed installed on the installation structure.

5. The panel converter according to claim 4, characterized in that: The rear shell also includes a safety door mechanism arranged between the panel and the rear shell, and the safety door mechanism includes an inclined push door and a return spring, and the inclined push door is aligned with the position of the live wire output reed and the live wire socket.

6. The panel converter according to claim 4, characterized in that: The panel also includes a safety door mechanism arranged between the panel and the rear shell, the safety door mechanism includes an inclined push door and a return spring, and the inclined push door is aligned with the position of the live wire output reed and the live wire socket.

7. The panel converter according to claim 4, characterized in that: The power plug end also includes a ground wire pin, which is electrically connected to the conversion circuit. The AC output circuit also includes a ground wire output reed. A ground wire socket is also provided on the panel.

8. The panel converter according to claim 4, characterized in that: The power plug terminal also includes a ground contact spring, which is an outwardly protruding grounding piece protruding from the first bottom wall, or a metal spring, or an inwardly concave grounding piece.

9. The panel converter according to claim 2, characterized in that: The rear shell also includes a third bottom wall, which is retracted inward toward the panel to form a second plug-in space and a control plug-in end whose height is lower than that of the first bottom wall. The control plug-in end is provided with at least one live wire pin or live wire connector connected to the conversion circuit, each live wire pin or live wire connector is connected to the conversion circuit through a relay, and the at least one live wire pin or live wire connector extends from the third bottom wall to ensure the plug-in length of the pin.

10. The panel converter according to claim 1, characterized in that: A quick-release locking mechanism is arranged on the top and / or bottom of the panel, and the quick-release locking mechanism comprises a lock seat, a locking spring and an operating member. The lock seat is provided with a pair of guide posts and a positioning protrusion, and the operating member comprises a pressing portion, a pair of guide holes, a spring hole and a pair of hooks. The operating member is slidably supported on the lock seat through the guide holes and the guide posts, and the locking spring is supported on the positioning protrusion of the lock seat and extends into the spring hole to elastically support the operating member.

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