CN114727448B - Non-isolated step-down LED controller for LED lighting - Google Patents
Non-isolated step-down LED controller for LED lighting Download PDFInfo
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- CN114727448B CN114727448B CN202210273270.4A CN202210273270A CN114727448B CN 114727448 B CN114727448 B CN 114727448B CN 202210273270 A CN202210273270 A CN 202210273270A CN 114727448 B CN114727448 B CN 114727448B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a non-isolated buck LED controller for LED lighting, which comprises a buck LED controller. The invention relates to a non-isolated step-down LED controller for LED illumination, wherein an open box body is arranged on the front side of the controller, a box cover is fixedly arranged on the front side of the box body, a controller chip is fixedly arranged on the inner wall of the rear side of the box body, a plurality of pins are arranged at the top and the bottom of the controller chip, the same heat conducting fins are fixedly arranged on the inner walls of the top and the bottom of the box body, the number of the heat conducting fins is two, radiating fins are tightly attached to the sides, far away from each other, of the two heat conducting fins, radiating holes are formed in the inner walls of the left side and the right side of the box body, the packaged controller chip is subjected to graded heat radiation, the energy consumption is reduced, the energy is saved, the box body and the box cover are installed through hexagon socket head bolts, the box cover is convenient to detach, and the controller chip is further convenient to package and maintain.
Description
Technical Field
The invention relates to the technical field of LED controllers, in particular to a non-isolated step-down LED controller for LED illumination.
Background
The LED controller (LED controller) is a switch for controlling each position in an LED lamp circuit through chip processing, the controller controls a driving circuit again according to a preset program to enable an LED array to regularly emit light, and therefore characters or graphs are displayed.
The existing non-isolated step-down LED controller for LED illumination is inconvenient to package and disassemble, high in subsequent maintenance difficulty, easy to work at overhigh temperature, capable of influencing service performance and short in service life, so that the non-isolated step-down LED controller for LED illumination is provided for solving the problems.
Disclosure of Invention
The present invention is directed to a non-isolated buck LED controller for LED lighting, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a non-keep apart step-down type LED controller for LED illumination, is provided with the open-ended box body including the front side, the front side fixed mounting of box body has the lid, fixed mounting has the controller chip on the rear inner wall of box body, and the top and the bottom of controller chip all are equipped with a plurality of pins, fixed mounting has same conducting strip on the top inner wall of box body and the bottom inner wall, and the quantity of conducting strip is provided with two, and one side that two conducting strips kept away from each other all closely has the fin, all seted up the louvre on the left side inner wall of box body and the right side inner wall, and the equal fixed mounting in left side and the right side of box body has heat radiation fins, equal fixed mounting has the fixed block on the top inner wall of louvre and the bottom inner wall, two fixed blocks are close to each other one side respectively with the top and the bottom fixed mounting of fin, all seted up two mounting holes on the top inner wall of box body and the bottom inner wall, the equal fixed mounting in the inside of four two mounting holes has heat radiation channels, and the inside of two heat radiation channels that is located the homonymy is fixed mounting respectively has a fan and No. one No. two fan control panels, and No. two PLC control panels are connected with the electric property control panel.
In a further embodiment, the precision control subassembly includes two scales of fixed mounting in the one side that two extension boards are close to each other, the bottom fixed mounting of slide has two montants that the symmetry set up, and the equal fixed mounting in one side that two montants kept away from each other has the pointer, and the central point of two pointers and two scales puts and is located same horizontal plane, makes the altitude mixture control of conveyer belt more accurate.
In a further embodiment, in order to facilitate the pin butt joint, a plurality of pin connectors are fixedly mounted at the top and the bottom of the box body, one ends of the plurality of pins far away from the controller chip are electrically connected with wires, and one ends of the plurality of wires far away from the corresponding pins are electrically connected with the corresponding pin connectors.
In a further embodiment, a plurality of electromagnetic shielding pipes are fixedly mounted on the inner walls of the top and the bottom of the box body, one ends of the electromagnetic shielding pipes, which are close to the controller chip, are respectively in sealing fit with the corresponding pins, and one ends of the wires, which are far away from the corresponding pins, are respectively penetrated through the corresponding electromagnetic shielding pipes, so that electromagnetic influence is avoided.
In a further embodiment, the first fan and the second fan are symmetrically arranged about a central line of the controller chip, the first fan comprises a power motor, an air suction shaft and two fins, the power motor and the side wall of the heat dissipation channel are fixedly installed, the bottom of the air suction shaft and the top of an output shaft of the power motor are fixedly installed, the number of the fins is two, and one side, close to each other, of the two fins is fixedly installed on the left side and the right side of the air suction shaft respectively, so that the heat dissipation effect is improved.
In a further embodiment, the top of the four heat dissipation channels is sealed and attached with a dust screen, one side of the four dust screens, which is away from each other, is located on the same horizontal plane with the top and the bottom of the box body respectively, and the outer sides of the four heat dissipation channels are fixedly installed with the side walls of the corresponding installation holes in a sealing mode, so that the dust prevention effect is improved.
In a further embodiment, the inner part of the mounting hole is fixedly provided with a fixing ring in a sealing manner, the inner ring of the fixing ring and the outer side of the heat dissipation channel corresponding to the inner ring are fixedly arranged in a sealing manner, and the plurality of dustproof net matrixes are arranged in a cylindrical manner, so that the heat dissipation channel is conveniently fixed.
In a further embodiment, a first fan controller and a second fan controller are fixedly mounted on the top inner wall and the bottom inner wall of the control block respectively, a temperature monitoring processor is fixedly mounted on the right inner wall of the control block, the first fan controller, the second fan controller and the temperature monitoring processor are electrically connected with the PLC control board, a thermocouple is fixedly mounted on the right side of the control block and electrically connected with the thermocouple and the temperature monitoring processor, and the first fan controller and the second fan controller are electrically connected with the two first fans and the two second fans respectively so as to improve the intelligent degree.
In a further embodiment, the front side of the box cover is provided with four accommodating grooves, the inner parts of the four accommodating grooves are in threaded connection with hexagon socket head cap bolts, the front side of the box body is provided with four thread grooves, and the rear ends of the four hexagon socket head cap bolts can be in threaded connection with the corresponding thread grooves in a detachable mode, so that the box cover is convenient to install and detach.
In a further embodiment, two positioning grooves are formed in the front side of the box body, two positioning columns are fixedly mounted on the rear side of the box cover, the two positioning columns can be detachably clamped with the corresponding positioning grooves respectively, and the plurality of pins are GND, ROVP, NC, VCC, DRAIN, CS and CS respectively, so that the box cover can be conveniently positioned.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a non-isolated step-down LED controller for LED illumination, wherein an output overvoltage protection module, an undervoltage protection module and an output short-circuit protection module are arranged on a controller chip, and the LED controller has the functions of output overvoltage protection, undervoltage protection and output short-circuit protection, and is more reliable in use process.
2. The box cover and the box body are positioned by the two positioning columns and the two positioning grooves and are fixed by the four hexagon socket head bolts and the four thread grooves, so that the control chip is conveniently packaged in the box cover, the subsequent maintenance of the controller chip is convenient, and the practicability is high.
3. The temperature monitoring processor and the thermocouple are adopted to detect the temperature inside the box body in real time, the heat dissipation process of the box body has three degrees, the box body dissipates heat through the heat conducting fins, the heat radiating fins and the heat radiating fins in a conventional state, when the temperature is 30-40 ℃, the two first fans are started at proper time, and when the temperature is higher than forty ℃, the two first fans and the two second fans are started simultaneously, so that the heat dissipation process is more energy-saving.
Drawings
FIG. 1 is a perspective view of a portion of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a perspective view of the lid structure of the present invention;
FIG. 4 is a perspective view of a heat sink structure according to the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 6 is a schematic diagram of a lead structure according to the present invention;
FIG. 7 is a block diagram of temperature monitoring according to the present invention.
In the figure: 1. a case body; 2. a box cover; 3. a storage groove; 4. a hexagon socket head cap screw; 5. a positioning column; 6. positioning a groove; 7. a thread groove; 8. a controller chip; 9. an output overvoltage protection module; 10. an undervoltage protection module; 11. an output short circuit protection module; 12. a pin; 13. an electromagnetic shielding tube; 14. a pin connector; 15. a fixed block; 16. heat dissipation fins; 17. a heat sink; 18. a heat conductive sheet; 19. heat dissipation holes; 20. mounting holes; 21. a fixing ring; 22. a heat dissipation channel; 23. a suction shaft; 24. a fin; 25. a dust screen; 26. a control block; 27. a PLC control panel; 28. a first fan controller; 29. a second fan controller; 30. a temperature monitoring processor; 31. a power motor.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
Example 1
Referring to fig. 1-5, the embodiment provides a non-isolated step-down LED controller for LED lighting, which includes a box body 1 having an opening at the front side, the box body 1 is rectangular, a box cover 2 is fixedly installed at the front side of the box body 1, the length of the box cover 2 is the same as that of the box body 1, the box cover 2 can completely cover the opening of the box body 1, four accommodating grooves 3 are opened at the front side of the box cover 2, hexagon socket head cap bolts 4 are screwed into the four accommodating grooves 3, the four accommodating grooves 3 are arranged in a matrix manner at the front side of the box cover 2, the hexagon socket head cap bolts 4 are respectively arranged at four corners of the box cover 2, the hexagon socket head cap bolts 4 are located inside the corresponding accommodating grooves 3, four thread grooves 7 are opened at the front side of the box body 1, the rear ends of the four hexagon socket head cap bolts 4 can be screwed into the corresponding thread grooves 7, the box cover 2 can be conveniently detached by connecting the hexagon socket head cap bolts 4 and the thread grooves 3, the rear inner wall of the box body 1 is fixedly provided with a controller chip 8, the specification of the controller chip 8 can be selected according to the actual application, the controller chip 8 is a chip on a non-isolated step-down LED controller, the top and the bottom of the controller chip 8 are respectively provided with a plurality of pins 12, the number of the pins 12 is eight, the upper and the lower parts are respectively four, the inner walls of the top and the bottom of the box body 1 are fixedly provided with the same heat conducting fins 18, the specification of the heat conducting fins 18 can be selected according to the actual application, the heat conducting fins 18 are vertically arranged, the number of the heat conducting fins 18 is two, one sides of the two heat conducting fins 18, which are far away from each other, are tightly attached with radiating fins 17, the specification of the radiating fins 17 can be selected according to the actual application and is used for radiating heat on the heat conducting fins 18, and radiating holes 19 are respectively formed in the inner walls on the left side and the right side of the box body 1, and the left side and the right side of the box body 1 are fixedly provided with heat dissipation fins 16, the material of the heat dissipation fins 16 can be selected according to the actual use, the inner wall of the top part and the inner wall of the bottom part of the heat dissipation hole 19 are fixedly provided with fixed blocks 15, the side, close to each other, of the two fixed blocks 15 is fixedly provided with the top part and the bottom part of the heat dissipation fin 17, the side, far away from each other, of the two heat dissipation fins 17 extends into the two heat dissipation holes 19 respectively, the two heat dissipation fins 16 can seal the corresponding heat dissipation holes 19 respectively, the inner wall of the top part and the inner wall of the bottom part of the box body 1 are provided with two mounting holes 20, the four mounting holes 20 are arranged in a matrix manner, the heat dissipation channels 22 are fixedly provided in the four mounting holes 20, the height of the heat dissipation channels 22 is consistent with the height of the heat dissipation holes 20, the integral aesthetic property is not influenced, the first fan and the second fan are fixedly provided in the two heat dissipation channels 22 positioned at the same side respectively, the first fan and the second fan are both exhaust fans and can accelerate the flow of heat in the box body 1, the first fan and the second fan are symmetrically arranged about the central line of the controller chip 8, the first fan and the second fan are arranged up and down, the first fan comprises a power motor 31, an air suction shaft 23 and fins 24, the side walls of the power motor 31 and a heat dissipation channel 22 are fixedly installed, the shapes of the fins 24 can be referred to in the specification and figure 1, the specification of the power motor 31 can be selected practically, the bottom of the air suction shaft 23 and the top of an output shaft of the power motor 31 are fixedly installed, the number of the fins 24 is two, the two fins 24 are arranged left and right, one sides of the two fins 24 close to each other are fixedly installed with the left side and the right side of the air suction shaft 23 respectively, and the two fins 24 can rotate along with the air suction shaft 23 corresponding to the fins, in order to improve the heat dissipation effect, a control block 26 is fixedly installed on the inner wall of the rear side of the box body 1, the control block 26 is arranged in a hollow mode, the control block 26 is a control end, a PLC control board 27 is fixedly installed on the inner wall of the left side of the control block 26, the specification of the PLC control board 27 can be selected according to actual use, two first fans and two second fans are both electrically connected with the PLC control board 27, the two first fans and the two second fans are controlled to be started and closed by the PLC control board 27, a first fan controller 28 and a second fan controller 29 are respectively and fixedly installed on the inner wall of the top portion and the inner wall of the bottom portion of the control block 26, the first fan controller 28 and the second fan controller 29 are respectively used for controlling the two first fans and the two second fans, a temperature monitoring processor 30 is fixedly installed on the inner wall of the right side of the control block 26, the temperature monitoring processor 30 is used for processing received temperature values, the first fan controller 28, the second fan controller 29 and the temperature monitoring processor 30 are both electrically connected with the PLC control board 27, the first fan controller 28 and the second fan controller 29 are respectively used for controlling the thermocouple, and the thermocouple of the thermocouple, and the thermocouple control processor 30 are respectively connected with the thermocouple of the first fan controller 26, and the thermocouple.
An output overvoltage protection module 9, an undervoltage protection module 10 and an output short-circuit protection module 11 are embedded in the front side of the controller chip 8, the specifications of the output overvoltage protection module 9, the undervoltage protection module 10 and the output short-circuit protection module 11 can be selected according to actual use, the working process is the prior art, the description is omitted, the output overvoltage protection module 9, the undervoltage protection module 10 and the output short-circuit protection module 11 are all in transmission connection with the controller chip 8, two positioning grooves 6 are formed in the front side of the box body 1, the two positioning grooves 6 are arranged up and down, two positioning columns 5 are fixedly mounted on the rear side of the box cover 2, the two positioning columns 5 can be detachably mounted with the corresponding positioning grooves 6 respectively, the mounting position of the box cover 2 can be located in a memorial mode, the pins 12 are respectively GND, ROVP, NC, VCC, DRAIN1, DRAIN2, CS1 and CS2, and are arranged anticlockwise from bottom to top.
The top and the equal fixed mounting in bottom of box body 1 have a plurality of pin connectors 14, a plurality of pin connectors 14 correspond a plurality of pins 12 respectively, the equal electric connection of one end that controller chip 8 was kept away from to a plurality of pins 12 has the wire, pin 12 and controller chip 8 set up as an organic whole, the one end that a plurality of wires kept away from rather than corresponding pin 12 respectively rather than corresponding pin connector 14 electric connection, all fixed mounting has a plurality of electromagnetic shield pipes 13 on the top inner wall of box body 1 and the bottom inner wall, electromagnetic shield pipe 13's specification can be selected for use according to reality, the effect is shielding electromagnetic influence, the one end that a plurality of electromagnetic shield pipes 13 are close to controller chip 8 respectively rather than corresponding pin 12 sealed laminating, the one end that a plurality of wires kept away from rather than corresponding pin 12 runs through rather than corresponding electromagnetic shield pipe 13 respectively.
The equal sealed laminating in top of four heat dissipation channel 22 has dust screen 25, one side that four dust screens 25 kept away from each other is located same horizontal plane with the top and the bottom of box body 1 respectively, dust screen 25 is installed inside mounting hole 20, play dirt-proof effect in the heat transfer process, four heat dissipation channel 22's the outside respectively with the sealed fixed mounting of the lateral wall of its corresponding mounting hole 20, the stability of heat dissipation channel 22 position is high, in order to promote dustproof effect, the inside seal fixed mounting of mounting hole 20 has solid fixed ring 21, and gu fixed ring 21's the inner circle and rather than corresponding heat dissipation channel 22's the outside seal fixed mounting, heat dissipation channel 22's top and bottom extend to solid fixed ring 21's top and below respectively, the cylindrical setting of a plurality of dust screen 25 matrix.
In the embodiment of the invention, when in use, the controller chip 8 controls the LED to illuminate, because the controller chip 8 is packaged in the box body 1, in order to ensure the use performance of the controller chip 8, the thermocouple is used for detecting the internal temperature of the box body 1, the thermocouple can carry out temperature value interaction with the temperature monitoring processor 30, when the internal temperature of the box body 1 is lower than thirty ℃, the box body 1 carries out heat dissipation through the heat conducting fins 18, the heat radiating fins 17 and the heat radiating fins 16, the heat in the box body 1 is concentrated at the heat radiating fins 16 for heat dissipation, when the temperature is 30-40 ℃, the temperature monitoring processor 30 and the PLC control board 27 carry out information interaction for starting the first fan, the PLC control board 27 starts the two first fans, two fans can cooperate heat radiation fins 16 to dispel the heat to the inside of box body 1, when the inside temperature value of box body 1 is less than 30 degrees centigrade, two fans are closed, when the inside temperature of box body 1 is greater than forty degrees centigrade, PLC control panel 27 can start two fans and two fans through fan controller 28 and No. two fan controller 29, the realization is to the inside quick radiating purpose of box body 1, carry out hierarchical heat dissipation to the controller chip 8 after the encapsulation, it is more energy-conserving when having reduced the energy consumption, box body 1 and lid 2 are installed through hexagon socket head cap screw 4, convenient to detach lid 2, and then be convenient for encapsulate and maintain controller chip 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a non-isolation step-down LED controller for LED illumination, is provided with open-ended box body (1) including the front side, the front side fixed mounting of box body (1) has lid (2), its characterized in that: the heat dissipation device is characterized in that a controller chip (8) is fixedly mounted on the inner wall of the rear side of the box body (1), the top and the bottom of the controller chip (8) are provided with a plurality of pins (12), the inner wall of the top and the inner wall of the bottom of the box body (1) are fixedly provided with the same heat conducting fins (18), the number of the heat conducting fins (18) is two, one side, away from each other, of the two heat conducting fins (18) is tightly attached to a heat dissipation plate (17), heat dissipation holes (19) are formed in the inner wall of the left side and the inner wall of the right side of the box body (1), heat dissipation fins (16) are fixedly mounted on the inner wall of the left side and the inner wall of the right side of the box body (1), fixed blocks (15) are fixedly mounted on the inner wall of the top and the inner wall of the bottom of the heat dissipation holes (19), one side, close to the two fixed blocks (15) is fixedly mounted on the inner wall of the top and the inner wall of the bottom of the heat dissipation plate (17), two mounting holes (20) are formed in the inner wall of the top and the inner wall of the bottom of the box body (1), heat dissipation holes (20) are fixedly mounted on the inside of the hollow heat dissipation channel (22), a fan control block (26) is mounted in the inner wall of the left side of the two heat dissipation channel (26), the two first fans and the two second fans are electrically connected with the PLC control panel (27);
an output overvoltage protection module (9), an undervoltage protection module (10) and an output short-circuit protection module (11) are embedded in the front side of the controller chip (8), and the output overvoltage protection module (9), the undervoltage protection module (10) and the output short-circuit protection module (11) are all in transmission connection with the controller chip (8);
the top and the bottom of the box body (1) are fixedly provided with a plurality of pin connectors (14), one ends of the plurality of pins (12) far away from the controller chip (8) are electrically connected with wires, and one ends of the plurality of wires far away from the corresponding pins (12) are respectively electrically connected with the corresponding pin connectors (14);
a plurality of electromagnetic shielding pipes (13) are fixedly arranged on the inner wall of the top and the inner wall of the bottom of the box body (1), one ends of the electromagnetic shielding pipes (13) close to the controller chip (8) are respectively in sealing fit with the corresponding pins (12), and one ends of the wires far away from the corresponding pins (12) respectively penetrate through the corresponding electromagnetic shielding pipes (13);
no. one fan and No. two fans set up about the central line symmetry of controller chip (8), and a fan includes motor power (31), induced draft axle (23) and fin (24), the lateral wall fixed mounting of motor power (31) and heat dissipation channel (22), the bottom of the axle of induced drafting (23) and the top fixed mounting of motor power (31) output shaft, the quantity of fin (24) is provided with two, one side that two fin (24) are close to each other respectively with the left side and the right side fixed mounting of the axle of induced draft (23).
2. The non-isolated buck-type LED controller for LED lighting according to claim 1, wherein: the top of four heat dissipation channels (22) is sealed and attached with dust screens (25), one side of the four dust screens (25) which are far away from each other is located on the same horizontal plane with the top and the bottom of the box body (1), and the outer sides of the four heat dissipation channels (22) are fixedly installed on the side walls of the corresponding installation holes (20) in a sealing mode.
3. A non-isolated buck-type LED controller for LED lighting as recited in claim 2 wherein: the inside seal fixed mounting of mounting hole (20) has solid fixed ring (21), and the outer seal fixed mounting of the inner circle of solid fixed ring (21) and rather than corresponding heat dissipation channel (22), a plurality of dust screens (25) matrix cylindrical setting.
4. The non-isolated buck-type LED controller for LED lighting according to claim 1, wherein: the utility model discloses a fan control system, including control block (26), fan controller (28) and No. two fan controller (29), fixed mounting has temperature monitoring processor (30) on the top inner wall of control block (26) and the bottom inner wall respectively, and fan controller (28), no. two fan controller (29) and temperature monitoring processor (30) all with PLC control panel (27) electric connection, the right side fixed mounting of control block (26) has the thermocouple, and thermocouple and temperature monitoring processor (30) electric connection, fan controller (28) and No. two fan controller (29) respectively with two fans and two fan electric connections.
5. The non-isolated buck-type LED controller for LED lighting according to claim 1, wherein: the equal threaded connection in inside that four accomodate groove (3) are opened to the front side of lid (2) has hexagon socket head cap screw (4), the front side of box body (1) is opened and is equipped with four thread groove (7), and the rear end of four hexagon socket head cap screw (4) can break away from threaded connection rather than corresponding thread groove (7) respectively.
6. The non-isolated buck-type LED controller for LED lighting according to claim 1, wherein: the front side of box body (1) is opened and is equipped with two constant head tanks (6), and the rear side fixed mounting of lid (2) has two reference columns (5), and two reference columns (5) can break away from clamping rather than corresponding constant head tank (6) respectively, and a plurality of pins (12) are GND, ROVP, NC, VCC, DRAIN1, DRAIN2, CS1 and CS2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210273270.4A CN114727448B (en) | 2022-03-18 | 2022-03-18 | Non-isolated step-down LED controller for LED lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210273270.4A CN114727448B (en) | 2022-03-18 | 2022-03-18 | Non-isolated step-down LED controller for LED lighting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114727448A CN114727448A (en) | 2022-07-08 |
| CN114727448B true CN114727448B (en) | 2023-02-07 |
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| CN202210273270.4A Active CN114727448B (en) | 2022-03-18 | 2022-03-18 | Non-isolated step-down LED controller for LED lighting |
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