Plug-in protection structure and UV variable-frequency power supply thereof

Abstract

The invention relates to the technical field of electricity and electronics, and discloses a plug-in protection structure and a UV variable-frequency power source thereof, and the plug-in protection structure comprises a rectangular fixed bottom plate which is placed on a table top; the insertion structure comprises an insertion part and a protection part, the insertion part comprises an insertion groove plate arranged at the top of the fixed bottom plate, two groups of holes are formed in the insertion groove plate, first limiting frame plates are fixedly mounted in the holes, first clamping grooves are formed in the first limiting frame plates, and third limiting frame plates are fixedly mounted in the first clamping grooves; a pin groove drum is arranged in the third limiting frame plate, two groups of first plugs are arranged outside the fixed bottom plate, and a second plug is fixedly mounted on the outer wall of one side of each first plug; the purpose of limiting and fixing the plug is achieved, the plugging stability of the plug is improved, the fixing effect of the plug is improved, the situation that the plug is loosened and falls off during connection is reduced, and the connection strength of the device is improved.

Description

Technical Field

[0001] The present invention belongs to the field of electrical and electronic technologies, and more specifically, relates to a plug-in protection structure and its UV frequency conversion power supply. Background Art

[0002] A UV frequency conversion power supply is a device that can provide power for ultraviolet light sources. It uses frequency conversion technology and can adjust the output frequency and voltage as needed to meet the requirements of different ultraviolet light sources.

[0003] The utility model with the publication number CN215956925U relates to the field of UV frequency conversion power supply technology and discloses an intelligent UV frequency conversion power supply for a full-automatic glazing machine, including a housing, a main body, a heat dissipation fan, and a circuit. The main body is fixedly installed inside the housing, and a heat dissipation fan is fixedly installed on one side of the housing. A circuit is arranged above the heat dissipation fan; a voltage detector for detecting the voltage value of the circuit is fixedly installed inside the housing. In the present invention, the circuit connecting the lamp tube is detected by the voltage detector arranged inside the housing, and the detected data is convenient to be transmitted to the processor for analysis and judgment by the processor. If the voltage value is too high, it is convenient to control the circuit switcher to switch the circuit connecting the lamp tube, so as to replace the lamp tube, thereby prolonging the service life. At the same time, air inlets are provided on both sides of the housing, and rows of heat dissipation plates are installed inside, so that air enters through the air inlets and cooperates with the heat dissipation plates to improve the heat dissipation effect.

[0004] However, the above patent still has the following problems: In the existing UV frequency conversion power supply, there are often potential safety hazards in the plug-in part, such as loose plug-in, sparks generated during the plug-in process, etc. These problems not only affect the stability of the power supply, but may also damage the device and even cause safety accidents. During the daily use of the plug of the device and the socket of the device, dust will accumulate, affecting the connection effect between the device and the plug. The plug-in structure of the device needs to be improved.

[0005] In view of this, the present invention is specifically proposed. Summary of the Invention

[0006] To solve the above technical problem of unstable connection of the plug-in structure, the basic concept of the technical solution adopted by the present invention is: A plug-in protection structure, including: A fixed bottom plate, the fixed bottom plate is rectangular, and the fixed bottom plate is placed on the tabletop; Plug-in structure, the plug-in structure includes a plug-in part and a protection part. The plug-in part includes a slot board arranged on the top of the fixed bottom plate. Two groups of holes are opened inside the slot board. A first limiting frame board is fixedly installed in the holes. A first clamping groove is opened inside the first limiting frame board. A third limiting frame board is fixedly installed inside the first clamping groove. An insertion pin groove cylinder is arranged inside the third limiting frame board. Two groups of first plugs are arranged outside the fixed bottom plate. A second plug is fixedly installed on the outer wall of one side of the first plug. An insertion pin board is fixedly installed on the outer wall of one side of the second plug. The insertion pin board is clamped and installed inside the insertion pin groove cylinder. The protection part includes two groups of second limiting frame boards fixedly installed inside the first limiting frame board. A first clamping plate is fixedly installed inside the second limiting frame board. Two groups of second limiting plates are fixedly installed on the outer wall of one side of the slot board. A second clamping plate is fixedly installed on the outer wall of one side of the second limiting plate. The second clamping plate is clamped and connected with the first clamping plate.

[0007] As a preferred embodiment of the present invention, the protection part further includes two groups of first limiting rods fixedly arranged on the outer wall of one side of the second plug. Two groups of first clamping holes are opened inside the first limiting frame board. The first limiting rods are clamped and installed inside the first clamping holes. Four groups of first limiting plates are fixedly installed on the outer wall of one side of the slot board. Two groups of second limiting holes are opened inside each group of first limiting plates.

[0008] As a preferred embodiment of the present invention, the protection part further includes a third limiting plate fixedly installed on the top of the first plug. Six groups of third limiting holes are opened inside the third limiting plate. The first limiting plate is clamped and installed inside the third limiting plate. Two groups of second limiting rods are fixedly installed on the top of the first plug. A first fixing ring plate is sleeved on the outer wall of the second limiting rods.

[0009] As a preferred embodiment of the present invention, the protection part further includes a connecting band fixedly installed on the outer wall of the first fixing ring plate. One end of the connecting band is fixedly installed with a second fixing ring plate. A third limiting rod is fixedly installed inside the second fixing ring plate. The third limiting rod is clamped and installed inside the third limiting holes and the second limiting holes.

[0010] As a preferred embodiment of the present invention, a protective rubber ring is fixedly installed on the outer wall of one side of the first plug. A wire is arranged inside the protective rubber ring. Two groups of side guard plates are fixedly installed on the top of the fixed bottom plate. A top plate is arranged on the top of the fixed bottom plate. Four groups of first limiting bolts are arranged inside the top plate. The first limiting bolts are screwed and installed on the top of the side guard plates.

[0011] As a preferred embodiment of the present invention, a protective box is fixedly installed on the top of the top plate. A first sliding groove is provided on one inner wall of the protective box, and a second sliding groove is provided on the other inner wall of the protective box. A limiting groove is provided inside the second sliding groove. A first rotating rod is arranged inside the protective box. One end of the first rotating rod is fixedly installed with a knob. Two groups of rotating wheels are fixedly installed on the outer wall of the first rotating rod. One group of rotating wheels is slidably installed inside the first sliding groove, and the other group of rotating wheels is slidably installed inside the second sliding groove. The first rotating rod is sleeved inside the limiting groove.

[0012] As a preferred embodiment of the present invention, a fixed sleeve is fixedly installed on the outer wall of the first rotating rod. Another group of fixed sleeves is arranged inside the protective box. A connecting plate is fixedly installed between the two groups of fixed sleeves. A second rotating rod is hingedly installed inside the other group of fixed sleeves. A protective cover plate is arranged inside the protective box. The second rotating rod is rotatably installed inside the protective cover plate.

[0013] As a preferred embodiment of the present invention, two groups of fourth limiting frame plates are fixedly installed inside the protective cover plate. A first dust-proof curtain is pasted and installed inside the fourth limiting frame plates. A fifth limiting frame plate is fixedly installed on one outer wall of the protective box. A second dust-proof curtain is pasted and installed on the inner top of the fifth limiting frame plate.

[0014] As a preferred embodiment of the present invention, two groups of signal indicator lights are arranged on one outer wall of the socket plate. Two groups of power-off switches are arranged on one outer wall of the socket plate. The signal indicator lights are electrically connected to the power-off switches. The signal indicator lights are electrically connected to the pin slot cylinder. Four groups of first limiting holes are opened at the bottom of the fixed bottom plate. Second limiting bolts are arranged inside the first limiting holes.

[0015] A UV variable-frequency power supply includes the plug-in protection structure described in any one of the above and a UV variable-frequency power supply body. The UV variable-frequency power supply body is fixedly installed on the top of the fixed bottom plate. The top of the UV variable-frequency power supply body is in close contact with the bottom of the top plate. A heat dissipation air box is arranged on one outer wall of the UV variable-frequency power supply body. A touch panel is arranged on one outer wall of a group of side guard plates. The UV variable-frequency power supply body is electrically connected to the heat dissipation air box and the touch panel.

[0016] The present invention has the following beneficial effects compared with the prior art: 1. The purpose of limiting and fixing the plug is achieved, the stability of the plug insertion is improved, the fixing effect of the plug is improved, the situation of the plug loosening and falling during connection is reduced, and the connection strength of the device is improved.

[0017] 2. The purpose of auxiliary protection of the device and observation of the connection situation is achieved, the convenience of using the device is improved, the socket is shielded and protected, the situation of dust accumulation is reduced, the connection effect between the device and the plug is improved, the service life of the device is prolonged, and the durability of the device is improved.

[0018] 3. To achieve the purpose of adjusting the power of the device, improve the heat dissipation efficiency of the device, simplify the usage steps of the device, and optimize the usage experience of the device.

[0019] 4. Users can adjust the output power of the UV variable frequency power supply through the touch panel to achieve intelligent control, providing a more convenient and flexible operation method, which is convenient for users to operate the device.

[0020] 5. The device can be adapted to different types and specifications of connectors and power cords, with strong versatility and adaptability. The combination of the plug-in protection structure and the UV variable frequency power supply technology expands the applicable range of the device.

[0021] The following further describes the specific embodiments of the present invention in conjunction with the accompanying drawings. Description of the Drawings

[0022] In the drawings: Figure 1 is the front view of the present invention; Figure 2 is the structural schematic diagram of the present invention; Figure 3 is the structural schematic diagram of the UV variable frequency power supply body of the present invention; Figure 4 is the structural schematic diagram of the protective box of the present invention; Figure 5 is the structural schematic diagram of the first limiting plate of the present invention; Figure 6 is the structural schematic diagram of the connecting plate of the present invention; Figure 7 is the structural schematic diagram of the second plug of the present invention; Figure 8 is the structural schematic diagram of the protective rubber ring of the present invention; Figure 9 is the enlarged view of part A of the present invention.

[0023] In the figure: 10, fixed bottom plate; 11, side guard plate; 12, top plate; 13, first limit bolt; 14, first limit hole; 15, second limit bolt; 16, slot plate; 17, first limit frame plate; 18, first clamping groove; 19, first clamping hole; 20, second limit frame plate; 21, first buckle plate; 22, third limit frame plate; 23, pin slot cylinder; 24, first limit plate; 25, second limit hole; 26, first plug; 27, second plug; 28, pin plate; 29, first limit rod; 30, second limit plate; 31, second buckle plate 32,; third limit plate; 33, third limit hole; 34, second limit rod; 35, first fixed ring plate; 36, connecting band; 37, second fixed ring plate; 38, third limit rod; 39, protective rubber ring; 40, electric wire; 41, protective box; 42, first sliding groove; 43, second sliding groove; 44, limit groove; 45, first rotating rod; 46, knob; 47, runner; 48, fixed sleeve; 49, connecting plate; 50, second rotating rod; 51, protective cover plate; 52, fourth limit frame plate; 53, first dust-proof curtain; 54, fifth limit frame plate; 55, second dust-proof curtain; 56, signal indicator light; 57, power-off switch; 58, heat dissipation air box; 59, UV frequency conversion power supply body; 60, touch panel. Detailed implementation mode

[0024] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0025] Embodiment 1: A plug-in protection structure and its UV frequency conversion power supply, specifically as Figure 1 , Figure 2 , Figure 5 , Figure 7 and Figure 9As shown in the figure, it includes a fixed bottom plate 10. The fixed bottom plate 10 is rectangular and is placed on the tabletop; a plug-in structure, which includes a plug-in part and a protection part. The plug-in part includes a slot plate 16 arranged on the top of the fixed bottom plate 10. There are two groups of holes inside the slot plate 16. A first limit frame plate 17 is fixedly installed in the holes. A first clamping groove 18 is arranged inside the first limit frame plate 17. A third limit frame plate 22 is fixedly installed inside the first clamping groove 18. An insertion needle groove cylinder 23 is arranged inside the third limit frame plate 22. Two groups of first plugs 26 are arranged outside the fixed bottom plate 10. A second plug 27 is fixedly installed on the outer wall of one side of the first plug 26. An insertion needle plate 28 is fixedly installed on the outer wall of one side of the second plug 27. The insertion needle plate 28 is clamped and installed inside the insertion needle groove cylinder 23; the protection part includes two groups of second limit frame plates 20 fixedly installed inside the first limit frame plate 17. A first clamping plate 21 is fixedly installed inside the second limit frame plate 20. Two groups of second limit plates 30 are fixedly installed on the outer wall of one side of the slot plate 16. A second clamping plate 31 is fixedly installed on the outer wall of one side of the second limit plate 30. The second clamping plate 31 is clamped and connected with the first clamping plate 21. The device and the plug are limited, fixed and protected through the plug-in structure. Take the first plug 26, insert the insertion needle plate 28 into the inside of the third limit frame plate 22, push the second limit plate 30 into the inside of the first limit frame plate 17, and clamp and install the second clamping plate 31 inside the first clamping plate 21.

[0026] Specifically as Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 9 As shown, the protection part further includes two groups of first limit rods 29 fixedly arranged on the outer wall of one side of the second plug 27. Two groups of first clamping holes 19 are arranged inside the first limit frame plate 17. The first limit rods 29 are clamped and installed inside the first clamping holes 19. Four groups of first limit plates 24 are fixedly installed on the outer wall of one side of the slot plate 16. Two groups of second limit holes 25 are arranged inside each group of first limit plates 24. Clamp and install the first limit rods 29 inside the first clamping holes 19.

[0027] Specifically as Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the protection part further includes a third limit plate 32 fixedly installed on the top of the first plug 26. Six groups of third limit holes 33 are arranged inside the third limit plate 32. The first limit plates 24 are clamped and installed inside the third limit plate 32. Two groups of second limit rods 34 are fixedly installed on the top of the first plug 26. A first fixed ring plate 35 is sleeved and installed on the outer wall of the second limit rods 34.

[0028] Specifically asFigure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in Figure 6 , Figure 7 , Figure 8 , the protection part further includes a connecting belt 36 fixedly installed on the outer wall of the first fixing ring plate 35. One end of the connecting belt 36 is fixedly installed with a second fixing ring plate 37. A third limiting rod 38 is fixedly installed inside the second fixing ring plate 37. The third limiting rod 38 is clamped and installed inside the third limiting hole 33 and the second limiting hole 25. Push the first limiting plate 24 into the third limiting plate 32, take the third limiting rod 38, place the third limiting rod 38 inside the third limiting hole 33 and the second limiting hole 25, and limit the second plug 27 inside the first limiting frame plate 17.

[0029] According to the above, through the structures of the slot plate 16, the first limiting frame plate 17, the first clamping groove 18, the first clamping hole 19, the second limiting frame plate 20, the first clamping plate 21, the third limiting frame plate 22, the pin slot cylinder 23, the first limiting plate 24, the second limiting hole 25, the first plug 26, the second plug 27, the pin plate 28, the first limiting rod 29, the second limiting plate 30, the second clamping plate 31, the third limiting plate 32, the third limiting hole 33, the second limiting rod 34, the first fixing ring plate 35, the connecting belt 36, the second fixing ring plate 37 and the third limiting rod 38, the purpose of limiting and fixing the plug is achieved, the stability of the plug insertion is improved, the fixing effect of the plug is improved, the situation of the plug loosening and falling off during connection is reduced, and the connection strength of the device is improved.

[0030] Embodiment 2: On the basis of Embodiment 1, specifically as shown in Figure 2 , Figure 7 and Figure 8 As shown in Figure 2 , Figure 7 , Figure 8 , a protective rubber ring 39 is fixedly installed on the outer wall of one side of the first plug 26. A wire 40 is arranged inside the protective rubber ring 39. Two groups of side protection plates 11 are fixedly installed on the top of the fixed bottom plate 10. A top plate 12 is arranged on the top of the fixed bottom plate 10. Four first limiting bolts 13 are arranged inside the top plate 12. The first limiting bolts 13 are screwed and installed on the top of the side protection plates 11. The wire 40 is protected by the protective rubber ring 39. Rotate the first limiting bolts 13 to fixedly place the top plate 12 on the top of the side protection plates 11.

[0031] Specifically as shown in Figure 2 , Figure 3 , Figure 4 and Figure 6As shown in the figure, a protective box 41 is fixedly installed on the top of the top plate 12. A first sliding groove 42 is formed on one inner wall of the protective box 41, a second sliding groove 43 is formed on the other inner wall of the protective box 41, a limiting groove 44 is formed inside the second sliding groove 43, and a first rotating rod 45 is arranged inside the protective box 41. One end of the first rotating rod 45 is fixedly installed with a knob 46, and two groups of rotating wheels 47 are fixedly installed on the outer wall of the first rotating rod 45. One group of rotating wheels 47 is slidably installed inside the first sliding groove 42, the other group of rotating wheels 47 is slidably installed inside the second sliding groove 43, and the first rotating rod 45 is sleeved inside the limiting groove 44. Pull the knob 46 to drive the two groups of rotating wheels 47 to slide inside the first sliding groove 42 and the second sliding groove 43, and adjust the position of the fixed sleeve 48.

[0032] Specifically, as Figure 2 , Figure 3 , Figure 4 and Figure 6 shown, a fixed sleeve 48 is fixedly installed on the outer wall of the first rotating rod 45, another group of fixed sleeves 48 is arranged inside the protective box 41, a connecting plate 49 is fixedly installed between the two groups of fixed sleeves 48, a second rotating rod 50 is hingedly installed inside the other group of fixed sleeves 48, and a protective cover plate 51 is arranged inside the protective box 41. The second rotating rod 50 is rotatably installed inside the protective cover plate 51. Drive the protective cover plate 51 to move through the fixed sleeve 48 and the connecting plate 49. When the protective cover plate 51 moves to the outside of the protective box 41, the second rotating rod 50 is hinged inside the fixed sleeve 48, and the first limiting frame plate 17 is shielded and protected by the first dust-proof curtain 53.

[0033] Specifically, as Figure 2 , Figure 3 , Figure 4 and Figure 6 shown, two groups of fourth limiting frame plates 52 are fixedly installed inside the protective cover plate 51, a first dust-proof curtain 53 is pasted and installed inside the fourth limiting frame plates 52, a fifth limiting frame plate 54 is fixedly installed on one outer wall of the protective box 41, and a second dust-proof curtain 55 is pasted and installed on the inner top of the fifth limiting frame plate 54. Limit the second dust-proof curtain 55 through the fifth limiting frame plate 54, and shield and protect the protective box 41 through the second dust-proof curtain 55.

[0034] Specifically, as Figure 1 , Figure 2 and Figure 3As shown in the figure, two groups of signal indicator lights 56 are provided on one outer wall of the slot board 16, and two groups of power-off switches 57 are provided on one outer wall of the slot board 16. The signal indicator lights 56 are electrically connected to the power-off switches 57, and the signal indicator lights 56 are electrically connected to the pin slot cylinder 23. Four groups of first limiting holes 14 are opened at the bottom of the fixed bottom plate 10, and a second limiting bolt 15 is arranged inside the first limiting holes 14. Start the power-off switch 57, observe the connection status of the first clamping groove 18 and the pin slot cylinder 23 through the signal indicator lights 56, and rotate the second limiting bolt 15 to screw the second limiting bolt 15 into the inside of the first limiting holes 14.

[0035] Based on the above, through the low structures of the fixed bottom plate 10, side guard plates 11, top plate 12, first limiting bolts 13, first limiting holes 14, second limiting bolts 15, protective box 41, first sliding grooves 42, second sliding grooves 43, limiting grooves 44, first rotating rods 45, knobs 46, rotating wheels 47, fixed sleeves 48, connecting plates 49, second rotating rods 50, protective cover plates 51, fourth limiting frame plates 52, first dust-proof curtains 53, fifth limiting frame plates 54, second dust-proof curtains 55, signal indicator lights 56 and power-off switches 57, the purpose of auxiliary protection and connection status observation of the device is achieved, the convenience of device use is improved, the socket is shielded and protected, the accumulation of dust is reduced, the connection effect between the device and the plug is improved, the service life of the device is prolonged, and the durability of the device is improved.

[0036] Embodiment 3: On the basis of Embodiment 1 and Embodiment 2, specifically as Figure 1 、 Figure 2 and Figure 3 shown, a UV variable-frequency power supply includes the plug-in protection structure described in any one of the above and a UV variable-frequency power supply body 59. The UV variable-frequency power supply body 59 is fixedly installed on the top of the fixed bottom plate 10. The top of the UV variable-frequency power supply body 59 is in close contact with the bottom of the top plate 12. A heat dissipation air box 58 is provided on one outer wall of the UV variable-frequency power supply body 59. A touch panel 60 is provided on one outer wall of one group of side guard plates 11. The UV variable-frequency power supply body 59 is electrically connected to the heat dissipation air box 58 and the touch panel 60. By setting the touch panel 60, the output power of the UV variable-frequency power supply body 59 is adjusted, and the UV variable-frequency power supply body 59 is heat-dissipated through the heat dissipation air box 58.

[0037] In summary, through the structures of the heat dissipation air box 58, the UV variable-frequency power supply body 59 and the touch panel 60, the purpose of adjusting the power of the device is achieved, the heat dissipation efficiency of the device is improved, the use steps of the device are simplified, and the use experience of the device is optimized.

[0038] Working principle: Pick up the first plug 26 and align the pin board 28 with the pin slot cylinder 23 inside the third limit frame board 22 and insert it. Subsequently, push the second limit board 30 so that it enters the inside of the first limit frame board 17 and ensure that the second snap board 31 is firmly snapped with the first snap board 21 to complete the preliminary fixation of the plug-in structure. To further enhance the stability of the plug-in structure, snap the first limit rod 29 into the first snap hole 19, and at the same time push the first limit board 24 into the third limit board 32. Then, take the third limit rod 38 and snap it into the third limit hole 33 and the second limit hole 25 respectively, so as to firmly limit the second plug 27 inside the first limit frame board 17. In addition, the protective rubber ring 39 protects the wire 40 from being damaged. The protective cover board 51 can move to the outside of the protective box 41 through the linkage of the fixed sleeve 48, the connecting plate 49 and the second rotating rod 50 to shield and protect the first limit frame board 17. At the same time, the first dust-proof curtain 53 and the second dust-proof curtain 55 respectively perform dust-proof treatment on the plug-in structure and the protective box 41. The signal indicator light 56 is used to display the connection status of the first snap groove 18 and the pin slot cylinder 23. When power-off is required, the power supply can be cut off through the power-off switch 57 to ensure operation safety. The UV variable-frequency power supply body 59 is fixedly installed on the top of the fixed bottom plate 10 and is in close contact with the top plate 12. The power supply is connected to external equipment through the plug-in structure. At the same time, the heat dissipation air box 58 performs heat dissipation treatment on the UV variable-frequency power supply body 59 to ensure the stable operation of the power supply. The user can adjust the output power of the UV variable-frequency power supply body 59 through the touch panel 60 to meet the power requirements of different equipment. The touch panel 60 is electrically connected to the UV variable-frequency power supply body 59 to achieve intelligent control. By rotating the second limit bolt 15 and screwing the second limit bolt 15 into the first limit hole 14, the stability of the entire device can be further enhanced. At the same time, the designs of the plug-in protection structure and the UV variable-frequency power supply body 59 both consider safety to ensure that no safety accidents will occur during use.

[0039] It can be understood that the present invention is described through some embodiments. Those skilled in the art know that without departing from the spirit and scope of the present invention, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. A plug protection structure, characterized in that: include: A fixed bottom plate (10), the fixed bottom plate (10) is rectangular and is placed on a table top; The plug-in structure comprises a plug-in portion and a protective portion, the plug-in portion comprises a slot plate (16) arranged on the top of a fixed base plate (10), two groups of holes are provided inside the slot plate (16), a first limit frame plate (17) is fixedly installed in the holes, a first clamping groove (18) is provided inside the first limit frame plate (17), a third limit frame plate (22) is fixedly installed inside the first clamping groove (18), a pin groove cylinder (23) is provided inside the third limit frame plate (22), two groups of first plugs (26) are provided outside the fixed base plate (10), and a first plug (26) is fixedly installed on one side outer wall of the first plug The second plug (27) has a pin plate (28) fixedly mounted on one side outer wall of the second plug (27), and the pin plate (28) is snap-fitted to the inside of the pin slot cylinder (23); the protection part comprises two groups of second limit frame plates (20) fixedly mounted to the inside of the first limit frame plate (17), a first snap plate (21) fixedly mounted to the inside of the second limit frame plate (20), two groups of second limit plates (30) fixedly mounted on one side outer wall of the slot plate (16), a second snap plate (31) fixedly mounted on one side outer wall of the second limit plate (30), and the second snap plate (31) is snap-fitted to the first snap plate (21).

2. The plug protection structure according to claim 1, characterized in that: The protection part also includes two groups of first limit rods (29) fixedly mounted on the outer wall of one side of the second plug (27); two groups of first clamping holes (19) are opened inside the first limit frame plate (17); the first limit rods (29) are clamped and installed inside the first clamping holes (19); four groups of first limit plates (24) are fixedly mounted on the outer wall of one side of the slot plate (16); and two groups of second limit holes (25) are opened inside each group of first limit plates (24).

3. The plug protection structure according to claim 1, characterized in that: The protection part also includes a third limiting plate (32) fixedly mounted on the top of the first plug (26), six groups of third limiting holes (33) are opened inside the third limiting plate (32), the first limiting plate (24) is snap-fitted and mounted inside the third limiting plate (32), two groups of second limiting rods (34) are fixedly mounted on the top of the first plug (26), and a first fixed ring plate (35) is sleeved and mounted on the outer wall of the second limiting rod (34).

4. The plug protection structure according to claim 1, characterized in that: The protection part further comprises a connecting belt (36) fixedly mounted on the outer wall of the first fixed ring plate (35); a second fixed ring plate (37) is fixedly mounted on one end of the connecting belt (36); a third limiting rod (38) is fixedly mounted inside the second fixed ring plate (37); and the third limiting rod (38) is clamped and mounted inside the third limiting hole (33) and the second limiting hole (25).

5. The plug protection structure according to claim 1, characterized in that: A protective rubber ring (39) is fixedly mounted on an outer wall of one side of the first plug (26), an electric wire (40) is arranged inside the protective rubber ring (39), two groups of side guard plates (11) are fixedly mounted on the top of the fixed base plate (10), a top plate (12) is arranged on the top of the fixed base plate (10), four groups of first limiting bolts (13) are arranged inside the top plate (12), and the first limiting bolts (13) are screwed on the top of the side guard plates (11).

6. The plug protection structure according to claim 5, characterized in that: A protection box (41) is fixedly installed on the top of the top plate (12); a first slide groove (42) is provided on the inner wall of one side of the protection box (41); a second slide groove (43) is provided on the inner wall of the other side of the protection box (41); a limiting groove (44) is provided inside the second slide groove (43); a first rotating rod (45) is provided inside the protection box (41); a knob (46) is fixedly installed at one end of the first rotating rod (45); two groups of rotating wheels (47) are fixedly installed on the outer wall of the first rotating rod (45); one group of rotating wheels (47) is slidably installed inside the first slide groove (42); the other group of rotating wheels (47) is slidably installed inside the second slide groove (43); the first rotating rod (45) is sleeved inside the limiting groove (44).

7. The plug protection structure according to claim 6, characterized in that: A fixed sleeve (48) is fixedly mounted on the outer wall of the first rotating rod (45), another set of fixed sleeves (48) is arranged inside the protective box (41), a connecting plate (49) is fixedly mounted between the two sets of fixed sleeves (48), a second rotating rod (50) is hingedly mounted inside the other set of fixed sleeves (48), a protective cover plate (51) is arranged inside the protective box (41), and the second rotating rod (50) is rotatably mounted inside the protective cover plate (51).

8. The plug protection structure according to claim 7, characterized in that: Two sets of fourth limit frame plates (52) are fixedly mounted inside the protective cover plate (51), a first dust-blocking curtain (53) is glued and mounted inside the fourth limit frame plate (52), a fifth limit frame plate (54) is fixedly mounted on an outer wall of one side of the protective box (41), and a second dust-blocking curtain (55) is glued and mounted on the inner top of the fifth limit frame plate (54).

9. The plug protection structure according to claim 1, characterized in that: Two groups of signal indicator lights (56) are arranged on one side outer wall of the slot plate (16), two groups of power-off switches (57) are arranged on one side outer wall of the slot plate (16), the signal indicator lights (56) are electrically connected to the power-off switches (57), and the signal indicator lights (56) are electrically connected to the pin groove cylinder (23), and four groups of first limiting holes (14) are opened at the bottom of the fixed bottom plate (10), and second limiting bolts (15) are arranged inside the first limiting holes (14).

10. A UV variable frequency power supply, characterized in that: It comprises a plug-in protection structure as described in any one of claims 1 to 9 and a UV variable frequency power supply body (59), the UV variable frequency power supply body (59) is fixedly installed on the top of a fixed base plate (10), the top of the UV variable frequency power supply body (59) is tightly attached to the bottom of a top plate (12), a heat dissipation bellows (58) is arranged on one side outer wall of the UV variable frequency power supply body (59), a touch panel (60) is arranged on one side outer wall of a group of side guard plates (11), and the UV variable frequency power supply body (59) is electrically connected to the heat dissipation bellows (58) and the touch panel (60).

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