Novel dimming LED switching power supply

Abstract

The invention relates to the technical field of LED switching power supplies, in particular to a novel dimming LED switching power supply, which comprises track limiting plates, a protective dust shield, a fixed mounting plate, a heat dissipation self-cleaning main body and an LED switching power supply, and is characterized in that the track limiting plates are symmetrically arranged and are fixedly connected to the fixed mounting plate; the LED switching power supply is fixedly connected to the middle of the outer side end of the fixed mounting plate through bolts, the protective dust-proof cover is fixedly connected to the fixed mounting plate through bolts and located outside the LED switching power supply, the track limiting plates are distributed on the outer side of the protective dust-proof cover, and the heat dissipation self-cleaning body is arranged on the fixed mounting plate. And the heat dissipation self-cleaning main body is located outside the protective dust shield. According to the invention, dust cleaning and scraping can be automatically completed, and automatic heat dissipation protection treatment can be realized at the same time.

Description

Technical Field

[0001] The invention relates to the technical field of LED switching power supplies, in particular to a novel dimming LED switching power supply. Background Art

[0002] The working principle of LED switching power supply is mainly to use the switching principle in semiconductor devices to convert the input AC into high-frequency pulse current, and then convert it into stable DC through filtering circuit and voltage stabilizing circuit. The new dimming LED switching power supply adds dimming function on this basis, usually by changing the input voltage, current or duty cycle to adjust the brightness of LED lamps;

[0003] In order to prevent dust from accumulating inside, an existing LED switching power supply uses a protective cover on the outside during use. The use of the protective cover will affect the heat dissipation inside the LED switching power supply, and the gaps on the protective cover will be blocked by dust after the use time increases, so that the LED switching power supply will heat up seriously after long-term use, and malfunction and damage will occur. The self-protection performance of the LED switching power supply is poor during use, and it is inconvenient to repair and clean. Therefore, a device is needed to solve the above-mentioned problems. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a novel dimming LED switching power supply.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a new type of dimming LED switching power supply, including a track limit plate, a protective dust cover, a fixed mounting plate, a heat dissipation self-cleaning body and an LED switching power supply, the track limit plates are symmetrically arranged, the symmetrically arranged track limit plates are fixedly connected to the fixed mounting plate, the LED switching power supply is fixedly connected to the middle part of the outer end of the fixed mounting plate by bolts, the protective dust cover is fixedly connected to the fixed mounting plate by bolts, and the protective dust cover is located outside the LED switching power supply, the track limit plates are distributed on the outside of the protective dust cover, the heat dissipation self-cleaning body is arranged on the fixed mounting plate, and the heat dissipation self-cleaning body is located outside the protective dust cover.

[0006] Preferably, the heat dissipation self-cleaning body includes a heat dissipation scraping body, a movable control adjustment plate and a first electric push rod, the movable control adjustment plate is symmetrically arranged, and the symmetrically arranged movable control adjustment plates are distributed at both ends of the heat dissipation scraping body, the first electric push rod is symmetrically arranged, and the symmetrically arranged first electric push rod is distributed below the two ends of the heat dissipation scraping body, and the upper end of the first electric push rod is fixedly connected to the bottom end of the movable control adjustment plate.

[0007] Preferably, the heat dissipation and scraping body includes an installation adjustment groove, a heat dissipation fan, a sliding adjustment card plate, a movable connecting cross plate, an automatic scraping plate and a second electric push rod. The sliding adjustment card plate is symmetrically arranged, and the symmetrically arranged sliding adjustment card plates are respectively fixedly connected to the two ends of the movable connecting cross plate. The installation adjustment groove is symmetrically opened on the sliding adjustment card plate, and the second electric push rod is evenly fixedly installed on the movable connecting cross plate, and the automatic scraping plate is fixedly connected to the end of the second electric push rod, and the automatic scraping plate is located below the movable connecting cross plate.

[0008] Preferably, the inner end of the sliding adjustment card plate is fixedly connected with a second electric push rod identical to the one on the movable connecting horizontal plate, and the front end of the second electric push rod is fixedly provided with an automatic scraper identical to the one below the movable connecting horizontal plate.

[0009] Preferably, an adjustment control gear disk is rotatably installed inside the installation adjustment groove, a support limit cross plate is symmetrically fixedly installed on the outer end of the sliding adjustment card plate, a driving connecting rod is rotatably clamped inside the outer end of the support limit cross plate, both ends of the driving connecting rod are fixedly connected with driving adjustment control gears, and the driving adjustment control gears are meshingly connected with the adjustment control gear disk, an electric motor is fixedly installed on the outer end of the support limit cross plate located on one side, and the electric motor is fixedly connected to the end of the driving connecting rod through a reducer, and a cooling fan is evenly fixedly installed on the inner end of the adjusting control gear disk.

[0010] Preferably, the number of cooling fans arranged on the inner side of one of the adjusting and controlling toothed discs is three, and temperature sensors are arranged between the cooling fans, and the temperature sensors are fixedly connected to the adjusting and controlling toothed disc.

[0011] Preferably, the end of the sliding adjustment card plate away from the movable connecting cross plate is slidably clamped on the track limiting plate, the movable control adjustment plate is fixedly connected to the sliding adjustment card plate, and the movable control adjustment plate is slidably clamped on the fixed mounting plate.

[0012] Preferably, the first electric push rod is fixedly connected to the fixed mounting plate, the automatic scraper is in contact with the outer end surface of the protective dust cover, and the heat dissipation fan is located outside the protective dust cover.

[0013] Preferably, a barrier shield is fixedly connected to the outer side of the fixed mounting plate by a fixed connecting plate and bolts, and the barrier shield is located outside the protective dust shield and the heat dissipation self-cleaning body, a fixed connecting support frame is fixedly connected to the outer side of the upper end of the track limit plate, and the fixed connecting support frame is L-shaped, a laser distance sensor is fixedly installed on the end of the fixed connecting support frame, and the laser distance sensor is located directly above the side end of the mobile control adjustment plate, the barrier shield is made of copper, which can effectively shield electromagnetic radiation, and the LED switching power supply will generate electromagnetic interference and electromagnetic radiation when working. Interference and radiation may affect surrounding electronic equipment and even have adverse effects on human health. The isolation protective cover can limit these electromagnetic interference and radiation inside and reduce the impact on the external environment. The isolation protective cover can also prevent external electromagnetic fields from interfering with internal circuits and components to protect their normal operation. At the same time, it can also prevent the electromagnetic radiation generated by the internal circuit from leaking into the external environment to ensure the stability and reliability of the equipment. The laser distance sensor set up can accurately and real-time detect the distance moved by the mobile control adjustment board, and determine the position of the mobile control adjustment board to achieve precise fixed-point heat dissipation processing.

[0014] Beneficial effects of the present invention:

[0015] 1. During the use of the present invention, the protective dust cover can be used to isolate and prevent dust from the LED switching power supply, and the heat dissipation holes on the protective dust cover can assist in heat dissipation. The heat dissipation self-cleaning body can automatically and timely clean the dust on the protective dust cover, and can assist in heat dissipation and cooling of the LED switching power supply. The material of the barrier protective cover is copper, which can effectively shield electromagnetic radiation. The LED switching power supply will generate electromagnetic interference and electromagnetic radiation when working. These interferences and radiation may affect surrounding electronic equipment and even have adverse effects on human health. The barrier protective cover can limit these electromagnetic interference and radiation to the inside to reduce the impact on the external environment. The barrier protective cover can also prevent external electromagnetic fields from interfering with internal circuits and components to protect their normal operation. At the same time, it can also prevent the electromagnetic radiation generated by the internal circuit from leaking into the external environment, ensuring the stability and reliability of the equipment. The laser distance sensor can accurately and real-time detect the distance moved by the mobile control adjustment plate, and the position of the mobile control adjustment plate can be judged to achieve accurate fixed-point heat dissipation.

[0016] 2. The present invention starts the second electric push rod on the mobile connecting cross plate and the sliding adjustment card plate to control the automatic scraper at each position to fit and contact the outer wall of the protective dust cover, so that the reciprocating automatic scraper can be used to automatically and regularly scrape the outside of the protective dust cover, so that the dust on the outside of the protective dust cover will not accumulate too much and will not block the heat dissipation holes on the protective dust cover, and the heat dissipation fans on each adjustment control gear disk are started and operated during the reciprocating movement, which can assist in heat dissipation of the LED switch power supply, and the temperature at each position of the side end of the LED switch power supply can be monitored by adjusting the radiator evenly arranged on the inner side of the control gear disk. When the temperature of the designated area is detected to be too high, the motor is operated, and the two driving adjustment control gears can be rotated synchronously by the motor with the help of the driving connecting rod, thereby driving the adjustment control gear disk to rotate a specified angle, so that the heat dissipation angle of each heat dissipation fan fixed on the adjustment control gear disk can be automatically adjusted, and aimed at the high temperature area to achieve fixed-point heat dissipation treatment, so that the device can automatically complete the dust scraping and achieve automatic heat dissipation treatment at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0019] Figure 2 It is a schematic diagram of the internal structure of the main body in the present invention;

[0020] Figure 3 It is a schematic diagram of the internal structure of the protective dust cover in the present invention;

[0021] Figure 4 This is a schematic diagram of the heat dissipation and self-cleaning main structure of the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the heat dissipation and self-cleaning body in the present invention from a side view;

[0023] Figure 6 This is a schematic diagram of the heat dissipation and scraping main body structure of the present invention;

[0024] Figure 7 It is a schematic diagram of the side end structure of the track limiting plate in the present invention;

[0025] Figure 8 It is a schematic diagram of the operation flow in the present invention.

[0026] In the figure: 1-track limit plate, 2-protective dust cover, 3-fixed installation plate, 4-fixed connecting plate, 5-blocking protective cover, 6-heat dissipation self-cleaning body, 7-LED switch power supply, 8-heat dissipation cleaning body, 9-movable control adjustment plate, 10-first electric push rod, 11-installation adjustment slot, 12-cooling fan, 13-sliding adjustment card plate, 14-adjustment control gear plate, 15-drive adjustment control gear, 16-support limit horizontal plate, 17-drive connecting rod, 18-motor, 19-movable connecting horizontal plate, 20-automatic cleaning plate, 21-second electric push rod, 22-laser distance sensor, 23-fixed connection support frame. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0029] The present invention is further described below in conjunction with the accompanying drawings.

[0030] Example 1

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 8As shown, a novel dimming LED switching power supply of the present invention comprises a track limit plate 1, a protective dust cover 2, a fixed mounting plate 3, a heat dissipation self-cleaning body 6 and an LED switching power supply 7. The track limit plate 1 is symmetrically arranged, and the symmetrically arranged track limit plate 1 is fixedly connected to the fixed mounting plate 3. The LED switching power supply 7 is fixedly connected to the middle part of the outer end of the fixed mounting plate 3 by bolts. The protective dust cover 2 is fixedly connected to the fixed mounting plate 3 by bolts, and the protective dust cover 2 is located outside the LED switching power supply 7. The track limit plate 1 is distributed on the outside of the protective dust cover 2. The heat dissipation self-cleaning body 6 is arranged on the fixed mounting plate 3, and the heat dissipation self-cleaning The treatment body 6 is located outside the protective dust cover 2. The heat dissipation self-cleaning body 6 includes a heat dissipation scraping body 8, a movable control adjustment plate 9 and a first electric push rod 10. The movable control adjustment plate 9 is symmetrically arranged. The symmetrically arranged movable control adjustment plate 9 is distributed at both ends of the heat dissipation scraping body 8. The first electric push rod 10 is symmetrically arranged, and the symmetrically arranged first electric push rod 10 is distributed below the two ends of the heat dissipation scraping body 8. The upper end of the first electric push rod 10 is fixedly connected to the bottom end of the movable control adjustment plate 9. The protective dust cover 2 is provided to play a protective and dustproof role. The heat dissipation self-cleaning body 6 is provided to realize automatic cleaning of the protective dust cover 2.

[0032] like Figure 6As shown, the heat dissipation and scraping body 8 includes an installation adjustment groove 11, a heat dissipation fan 12, a sliding adjustment card plate 13, a movable connecting transverse plate 19, an automatic cleaning scraper 20 and a second electric push rod 21. The sliding adjustment card plate 13 is symmetrically arranged, and the symmetrically arranged sliding adjustment card plates 13 are respectively fixedly connected to the two ends of the movable connecting transverse plate 19. The installation adjustment groove 11 is symmetrically opened on the sliding adjustment card plate 13, and the second electric push rod 21 is evenly fixedly installed on the movable connecting transverse plate 19, and the automatic cleaning scraper 20 is fixedly connected to the end of the second electric push rod 21, and the automatic cleaning scraper 20 is located below the movable connecting transverse plate 19, and the inner end of the sliding adjustment card plate 13 is fixed. A second electric push rod 21 identical to that on the mobile connecting transverse plate 19 is fixedly connected, and an automatic scraper 20 identical to that below the mobile connecting transverse plate 19 is fixedly arranged at the front end of the second electric push rod 21, and an adjusting control toothed disc 14 is rotatably installed inside the installation adjustment groove 11, and a supporting limit transverse plate 16 is symmetrically fixedly installed on the outer end of the sliding adjustment card plate 13, and a driving connecting rod 17 is rotatably connected inside the outer end of the supporting limit transverse plate 16, and a driving connecting rod 17 is fixedly connected to both ends of the driving connecting rod 17 with a driving adjustment control gear 15, and the driving adjustment control gear 15 is meshed and connected with the adjusting control toothed disc 14, and the outer end of the supporting limit transverse plate 16 located on one side is fixedly installed There is an electric motor 18, and the electric motor 18 is fixedly connected to the end of the driving connecting rod 17 through a reducer. The inner end of the adjusting control toothed disc 14 is evenly fixedly installed with a cooling fan 12, and the second electric push rod 21 on the movable connecting cross plate 19 and the sliding adjustment card plate 13 is started to control the automatic cleaning scraper 20 at each position to fit in contact with the outer wall of the protective dust cover 2, so that the reciprocating sliding automatic cleaning scraper 20 can be used to automatically and regularly clean the outside of the protective dust cover 2, so that the dust on the outside of the protective dust cover 2 will not accumulate too much, and the cooling holes on the protective dust cover 2 will not be blocked, and in the process of reciprocating movement, each adjusting control toothed disc 14 The cooling fan 12 is started and operated, which can assist in the heat dissipation of the LED switching power supply 7, and the temperature at various positions on the side end of the LED switching power supply 7 can be monitored by adjusting the radiator evenly arranged on the inner side of the control gear disc 14. When the temperature of the designated area is detected to be too high, the motor 18 is operated, and the two driving adjustment control gears 15 can be rotated synchronously by the motor 18 with the help of the driving connecting rod 17, thereby driving the adjustment control gear disc 14 to rotate a specified angle, so that the heat dissipation angle of each cooling fan 12 fixed on the adjustment control gear disc 14 can be automatically adjusted and aimed at the high-temperature area to achieve fixed-point heat dissipation.

[0033] The number of cooling fans 12 arranged on the inner side of an adjusting and controlling toothed disc 14 is three, and temperature sensors are arranged between the cooling fans 12. The temperature sensors are fixedly connected to the adjusting and controlling toothed disc 14, so as to realize sufficiently accurate heat dissipation and temperature cooling processing.

[0034] The end of the sliding adjustment card plate 13 away from the movable connecting cross plate 19 is slidably connected to the track limit plate 1, the movable control adjustment plate 9 is fixedly connected to the sliding adjustment card plate 13, and the movable control adjustment plate 9 is slidably connected to the fixed installation plate 3, which plays a role of limit adjustment.

[0035] The first electric push rod 10 is fixedly connected to the fixed mounting plate 3, the automatic scraper 20 is fitted with the outer end surface of the protective dust cover 2, and the heat dissipation fan 12 is located outside the protective dust cover 2, so as to realize scraping and heat dissipation processing.

[0036] The working principle of the embodiment 1 is as follows: during use, the device can be firmly fixed and installed by the fixed installation plate 3, during use, the protective dust cover 2 can be used to isolate and dustproof the LED switch power supply 7, and the heat dissipation holes provided on the protective dust cover 2 can assist in heat dissipation, and the heat dissipation self-cleaning body 6 can automatically and timely clean the dust on the protective dust cover 2, and can assist in heat dissipation and cooling of the LED switch power supply 7;

[0037] Start the first electric push rod 10 to slide on the fixed mounting plate 3 by moving the control adjustment plate 9, and by means of the reciprocating sliding of the sliding adjustment card plate 13 on the track limit plate 1, the heat dissipation cleaning scraper body 8 can be slid along the outside of the protective dust cover 2 as a whole, and in the process of sliding, start the second electric push rod 21 on the mobile connecting cross plate 19 and the sliding adjustment card plate 13 to control the automatic cleaning scraper plate 20 at each position to fit in contact with the outer wall of the protective dust cover 2, so that the reciprocating sliding automatic cleaning scraper plate 20 can be used to automatically and regularly clean the outside of the protective dust cover 2, so that the dust on the outside of the protective dust cover 2 will not accumulate too much, and the heat dissipation holes on the protective dust cover 2 will not be blocked, and in the process of reciprocating movement, each adjustment control toothed disc 14 The cooling fan 12 is started and operated, which can assist in the heat dissipation of the LED switching power supply 7, and the temperature at various positions on the side end of the LED switching power supply 7 can be monitored by adjusting the radiator evenly arranged on the inner side of the control toothed disc 14. When the temperature of the designated area is detected to be too high, the motor 18 is operated, and the two driving adjustment control gears 15 can be rotated synchronously by the motor 18 with the help of the driving connecting rod 17, thereby driving the adjustment control toothed disc 14 to rotate a specified angle, so that the heat dissipation angle of each cooling fan 12 fixed on the adjustment control toothed disc 14 can be automatically adjusted and aimed at the high-temperature area to achieve fixed-point heat dissipation treatment, so that the device can automatically complete the dust cleaning and achieve automatic heat dissipation treatment at the same time.

[0038] Example 2

[0039] On the basis of Example 1, Figure 7As shown, the outer side of the fixed mounting plate 3 is fixedly connected with a blocking protective cover 5 through a fixed connecting plate 4 and bolts, and the blocking protective cover 5 is located outside the protective dust cover 2 and the heat dissipation self-cleaning body 6, and the outer side of the upper end of the track limit plate 1 is fixedly connected with a fixed connecting support frame 23, and the fixed connecting support frame 23 is L-shaped, and the end of the fixed connecting support frame 23 is fixedly installed with a laser distance sensor 22, and the laser distance sensor 22 is located directly above the side end of the moving control adjustment plate 9.

[0040] When implementing this embodiment, the material of the isolation protective cover 5 is copper, which can effectively shield electromagnetic radiation. The LED switching power supply 7 will generate electromagnetic interference and electromagnetic radiation when working. These interferences and radiations may affect the surrounding electronic equipment and even have an adverse effect on human health. The isolation protective cover 5 can limit these electromagnetic interference and radiation to the inside, reducing the impact on the external environment. The isolation protective cover 5 can also prevent the external electromagnetic field from interfering with the internal circuits and components to protect their normal operation. At the same time, it can also prevent the electromagnetic radiation generated by the internal circuit from leaking into the external environment, ensuring the stability and reliability of the equipment. The laser distance sensor 22 can accurately and real-time detect the distance moved by the mobile control adjustment plate 9, and judge the position of the mobile control adjustment plate 9 to achieve accurate fixed-point heat dissipation processing.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel dimming LED switching power supply, comprising a track limit plate (1), a protective dust cover (2), a fixed mounting plate (3), a heat dissipation self-cleaning body (6) and an LED switching power supply (7), characterized in that: The track limit plates (1) are symmetrically arranged, and the symmetrically arranged track limit plates (1) are fixedly connected to the fixed mounting plate (3); the LED switch power supply (7) is fixedly connected to the middle part of the outer end of the fixed mounting plate (3) by bolts; the protective dust cover (2) is fixedly connected to the fixed mounting plate (3) by bolts, and the protective dust cover (2) is located outside the LED switch power supply (7); the track limit plates (1) are distributed on the outside of the protective dust cover (2); the heat dissipation self-cleaning body (6) is arranged on the fixed mounting plate (3), and the heat dissipation self-cleaning body (6) is located outside the protective dust cover (2).

2. According to claim 1, the novel dimming LED switching power supply is characterized in that: The heat dissipation self-cleaning body (6) comprises a heat dissipation scraping body (8), a movable control adjustment plate (9) and a first electric push rod (10); the movable control adjustment plate (9) is symmetrically arranged, and the symmetrically arranged movable control adjustment plates (9) are distributed at two ends of the heat dissipation scraping body (8); the first electric push rod (10) is symmetrically arranged, and the symmetrically arranged first electric push rod (10) is distributed below the two ends of the heat dissipation scraping body (8); and the upper end of the first electric push rod (10) is fixedly connected to the bottom end of the movable control adjustment plate (9).

3. According to claim 2, the novel dimming LED switching power supply is characterized in that: The heat dissipation and scraping body (8) comprises an installation adjustment groove (11), a heat dissipation fan (12), a sliding adjustment card plate (13), a movable connecting transverse plate (19), an automatic scraping plate (20) and a second electric push rod (21); the sliding adjustment card plate (13) is symmetrically arranged, and the symmetrically arranged sliding adjustment card plates (13) are respectively fixedly connected to the two ends of the movable connecting transverse plate (19); the installation adjustment groove (11) is symmetrically opened on the sliding adjustment card plate (13); the second electric push rod (21) is evenly fixedly installed on the movable connecting transverse plate (19); the automatic scraping plate (20) is fixedly connected to the end of the second electric push rod (21), and the automatic scraping plate (20) is located below the movable connecting transverse plate (19).

4. According to claim 3, the novel dimming LED switching power supply is characterized in that: The inner end of the sliding adjustment card plate (13) is fixedly connected to a second electric push rod (21) identical to the one on the movable connecting transverse plate (19), and the front end of the second electric push rod (21) is fixedly provided with an automatic scraper (20) identical to the one below the movable connecting transverse plate (19).

5. According to claim 4, the novel dimming LED switching power supply is characterized in that: An adjusting control toothed disc (14) is rotatably installed inside the installation adjustment groove (11), a supporting limit horizontal plate (16) is symmetrically fixedly installed on the outer end of the sliding adjustment card plate (13), a driving connecting rod (17) is rotatably clamped inside the outer end of the supporting limit horizontal plate (16), and a driving adjusting control gear (15) is fixedly connected at both ends of the driving connecting rod (17), and the driving adjusting control gear (15) is meshingly connected with the adjusting control toothed disc (14), an electric motor (18) is fixedly installed on the outer end of the supporting limit horizontal plate (16) on one side, and the electric motor (18) is fixedly connected to the end of the driving connecting rod (17) through a reducer, and a cooling fan (12) is evenly fixedly installed on the inner end of the adjusting control toothed disc (14).

6. According to claim 5, the novel dimming LED switching power supply is characterized in that: The number of heat dissipation fans (12) arranged on the inner side of one of the adjustment control toothed discs (14) is three, and temperature sensors are arranged between the heat dissipation fans (12), and the temperature sensors are fixedly connected to the adjustment control toothed disc (14).

7. The novel dimming LED switching power supply according to claim 6 is characterized in that: One end of the sliding adjustment card plate (13) facing away from the movable connecting transverse plate (19) is slidably clamped on the track limit plate (1), the movable control adjustment plate (9) is fixedly connected to the sliding adjustment card plate (13), and the movable control adjustment plate (9) is slidably clamped on the fixed installation plate (3).

8. The novel dimming LED switching power supply according to claim 7 is characterized in that: The first electric push rod (10) is fixedly connected to the fixed mounting plate (3), the automatic scraper (20) is in contact with the outer end surface of the protective dust cover (2), and the heat dissipation fan (12) is located outside the protective dust cover (2).

9. The novel dimming LED switching power supply according to claim 8 is characterized in that: The outer side of the fixed installation plate (3) is fixedly connected to a blocking protective cover (5) via a fixed connecting plate (4) and bolts, and the blocking protective cover (5) is located outside the protective dust cover (2) and the heat dissipation self-cleaning body (6).

10. The novel dimming LED switching power supply according to claim 9, characterized in that: A fixed connection support frame (23) is fixedly connected to the outer side of the upper end of the track limit plate (1), and the fixed connection support frame (23) is arranged in an L shape. A laser distance sensor (22) is fixedly installed at the end of the fixed connection support frame (23), and the laser distance sensor (22) is located directly above the side end of the movable control adjustment plate (9).

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