CN108548131B

CN108548131B - Heat dissipation LED lamp

Info

Publication number: CN108548131B
Application number: CN201810318927.8A
Authority: CN
Inventors: 高正春
Original assignee: Shaoxing Kangsaipu Lighting Electrical Appliances Co ltd
Current assignee: SHAOXING KANGSAIPU LIGHTING ELECTRICAL APPLIANCES Co.,Ltd.
Priority date: 2018-04-11
Filing date: 2018-04-11
Publication date: 2020-04-28
Anticipated expiration: 2038-04-11
Also published as: CN108548131A

Abstract

The invention discloses a heat dissipation LED lamp, which comprises a lamp holder shell, an airflow guide cover and a lamp cover shell; the lamp holder shell is fixedly provided with a separated LED lamp panel, and a main cooling fan mechanism is arranged in the lamp holder shell; the driving shaft that can just reverse above main radiator fan mechanism, the driving shaft can control sprocket mechanism cooperation ratchet and drive main radiator fan mechanism and descend, can break away from partial LED lamp plate moreover, realizes the inside opening of lamp body. According to the invention, the main cooling fan mechanism is matched with the airflow guide cover to blow and cool the internal LED lamp, so that the internal cooling efficiency is improved; meanwhile, the chain wheel mechanism can drive the main cooling fan mechanism to descend, and the sliding LED lamp panel is driven to descend, so that internal ash removal can be facilitated.

Description

Heat dissipation LED lamp

Technical Field

The invention belongs to the technical field of energy-saving lamps, and particularly relates to a heat-dissipation LED lamp.

Background

At present, with the aging of the manufacturing and packaging technology of LED chips, the cost of LED elements is greatly reduced, and LEDs are more and more widely used. In the LED illumination field, the energy-saving and long-life advantages of LEDs are fully embodied, more and more traditional down lamps are replaced by LED down lamps, and more LED down lamps are introduced in the market.

However, the LED tube light emerging in the market at present often needs to be additionally provided with a heat dissipation member to timely dissipate heat for the LED light source, and an independent driving box is arranged to accommodate the driving assembly. Due to the fact that the radiating piece and the driving box are additionally arranged, the structure of the LED down lamp becomes complex, automatic production of the LED down lamp is difficult to achieve, and production and assembly efficiency of the LED lamp is reduced.

Disclosure of Invention

In view of the above, the technical problem to be solved by the present invention is to provide a heat dissipation LED lamp, wherein a main heat dissipation fan mechanism is matched with an airflow guide cover to blow air to dissipate heat of an internal LED lamp; simultaneously the fan motor can drive main radiator fan mechanism through sprocket mechanism and descend to drive the LED lamp plate that slides wherein and descend, can make things convenient for inside deashing, avoid the trouble that LED lamp radiating effect is poor in the past.

In order to solve the technical problem, the invention discloses a heat-dissipation LED lamp which comprises a lamp holder shell, a lamp holder shell and a heat-dissipation LED lamp, wherein the lamp holder shell is provided with a central through hole and an air inlet which is guided to the central through hole; the air flow guide cover is arranged on the lamp holder shell and is communicated with the central through hole; the fixed LED lamp panel is arranged on the lamp holder shell and is arranged around the central through hole in an annular mode, and the upper side of the fixed LED lamp panel is provided with a radiating rib; the main cooling fan mechanism is positioned in the central through hole and close to the upper side of the airflow guide cover, two ends of the main cooling fan mechanism are sleeved on the spiral sliding rod through ball bearings, and the spiral sliding rod is erected on two sides in the central through hole; wherein, the central through hole is internally provided with a mounting plate for mounting the spiral slide bar, and the mounting plate is fixed at the top of the spiral slide bar; the driving shaft is positioned at the upper side of the main cooling fan mechanism and driven by the main cooling fan mechanism, the driving shaft drives the meshed chain wheel mechanism through the main gear, and two ends of the chain wheel mechanism are respectively matched with the spiral sliding rods; the lamp holder comprises a lamp holder shell, a sliding LED lamp panel, connecting rods, electric contacts and a spring, wherein the sliding LED lamp panel covers a central through hole and is located at the lower end of the lamp holder shell; and the lampshade shell is covered on the airflow guide cover, and an air outlet channel is arranged between the lampshade shell and the airflow guide cover.

According to an embodiment of the present invention, the lower end of the connecting rod is further provided with a transmission plate covering the fixed LED lamp panel and the sliding LED lamp panel.

According to an embodiment of the present invention, an auxiliary heat dissipation fan is disposed in the air outlet channel.

According to an embodiment of the present invention, the main heat dissipation fan mechanism includes a fan motor; a first driving shaft driven by the fan motor and located at the lower side and a second driving shaft located at the upper side; the main cooling fan is separated or connected with the first driving shaft through the regulating mechanism, and the regulating mechanism is simultaneously connected or separated with the second driving shaft and the driving shaft; the supporting piece is fixed on the fan motor and provided with ball bearings on two sides, and the supporting piece is extended and sleeved on the guide sliding rod.

According to an embodiment of the present invention, the adjusting mechanism includes a mounting frame annularly disposed on the fan motor, wherein two sides of the mounting frame are provided with vertical beam portions penetrating through the supporting member, an upper beam portion and a lower beam portion connecting the vertical beam portions at the two sides, and a middle beam portion mounting the driving shaft through a bearing; wherein, the two ends of the vertical beam part are respectively sleeved with a telescopic part which is butted against the middle beam part and the supporting part, and the lower side of the middle beam part and the upper side of the supporting part are respectively provided with a limiting block; the lower beam part is provided with a driven shaft corresponding to the first driving shaft through a bearing, and the driven shaft is provided with a main cooling fan; the upper beam part and the mounting plate are respectively embedded with magnets which attract each other; when the upper beam part is attached to the mounting plate, the mounting frame drives the driven shaft to ascend and contract the telescopic piece on the lower side, so that the driven shaft is in butt joint with the first driving shaft through the butt joint disc, the second driving shaft is separated from the driving shaft, and the main cooling fans are communicated; when the roof beam portion separation mounting panel, downside extensible member resets, and the installing frame drives the driven shaft decline, and the driven shaft separates with first driving shaft, and the disconnection of main radiator fan, second driving shaft pass through the butt joint dish butt joint drive shaft.

According to an embodiment of the present invention, the sprocket mechanism includes a chain having a main gear engaged with a middle portion thereof; gears meshed with two ends of the chain; the ratchet wheel is fixed on the inner wall of the gear; the ball shaft sleeve is sleeved on the spiral slide rod and positioned in the ratchet wheel, and a pawl matched with the ratchet wheel is embedded in the ball shaft sleeve.

According to an embodiment of the present invention, the ball bearing sleeve and the ball bearing are engaged with the sliding cavity of the spiral sliding rod through balls, and the sliding cavity is provided with two spiral grooves which have the same pitch, opposite rotation directions and are connected end to end.

According to an embodiment of the present invention, the ball bearing housing and the ball bearing are abutted by any one of the inner rings.

According to an embodiment of the present invention, when the fan motor is started to control the driving shaft to rotate forward, the chain drives the gear to rotate clockwise, and the pawl and the ball bearing bush do not rotate; when the fan motor starts, when the control drive shaft reverses, the chain drives the gear to rotate anticlockwise, the pawl and the ball shaft sleeve rotate, the main cooling fan mechanism is driven to descend on the spiral slide bar, and the connecting rod is pushed by the supporting piece, so that the sliding LED lamp panel descends.

According to an embodiment of the present invention, the power switch includes a frame fixed to the socket housing, the frame having an opening through which the electrical contact of the link passes; t-shaped rods respectively fixed at two sides in the frame body; a tension spring sleeved on the T-shaped rod; the hollow sleeve body is clamped on the tension spring and is provided with a limiting end part for stopping the tension spring; and the electric contact pieces are arranged on the hollow sleeve bodies at the two sides; when the sliding LED lamp panel is in butt joint with the fixed LED lamp panel, the electric contact of the connecting rod is inserted into the power-on switch.

Compared with the prior art, the invention can obtain the following technical effects:

1) through main radiator fan mechanism and the cooperation of air current direction cover, to the heat dissipation of blowing of inside LED lamp, improve inside radiating efficiency.

2) The fan motor can drive main cooling fan mechanism through sprocket mechanism and descend to drive the LED lamp plate that slides wherein and descend, can make things convenient for inside deashing, avoid the trouble that LED lamp radiating effect is poor in the past.

3) The ratchet wheel is arranged in the chain wheel mechanism, and two working modes of heat dissipation and cleaning of the heat dissipation fan are achieved through positive and negative rotation of the fan motor.

4) The regulating mechanism can start the main cooling fan or the chain wheel mechanism through lifting, double operation is achieved, and energy is saved and safety is achieved.

Of course, it is not necessary for any one product in which the invention is practiced to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a heat dissipating LED lamp according to an embodiment of the present invention;

FIG. 2 is a schematic view of a wind direction of a heat-dissipating LED lamp according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of a heat dissipation LED lamp according to an embodiment of the present invention;

FIG. 4 is a partial schematic view of the dust removal operation of the heat dissipation LED lamp according to the embodiment of the invention;

FIG. 5 is a side view of a modulating mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic view of the inside of a gear of the sprocket mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of a spiral slide bar of an embodiment of the present invention;

fig. 8 is a schematic view of region a of fig. 3.

Reference numerals

A lamp holder housing 10, a central through hole 11, an air inlet 12, a mounting plate 13, an air flow guide cover 20, a fixed LED lamp panel 30, a heat dissipating rib 31, a main heat dissipating fan mechanism 40, a fan motor 41, a first driving shaft 42a, a second driving shaft 42b, a control mechanism 43, a main heat dissipating fan 44, a support 45, a ball bearing 50, a screw slider 60, a guide slider 61, a spring 62, a driving shaft 70, a main gear 71, a sprocket mechanism 80, a chain 81, a gear 82, a ratchet 83, a ball bushing 84, a pawl 85, a sliding LED lamp panel 90, a link 91, an electrical contact 92, a bent portion 93, an energizing switch 100, a frame 110, a T-shaped rod 120, a tension spring 130, an empty bushing 140, a limit end 150, an electrical contact 160, a lamp cover housing 200, an air outlet passage 210, a transmission plate 300, a sub heat dissipating fan 400, a mounting frame 431, a vertical beam portion 432, an upper beam portion 433, a lower beam portion 434, a middle, a stop 436b, a driven shaft 437, a magnet 438, an abutment disk 439, a slide cavity 601, and an area a.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to implement the embodiments of the present invention by using technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Referring to fig. 1 to 4 together, fig. 1 is a schematic view of a heat dissipation LED lamp according to an embodiment of the present invention; FIG. 2 is a schematic view of a wind direction of a heat-dissipating LED lamp according to an embodiment of the present invention; FIG. 3 is a partial schematic view of a heat dissipation LED lamp according to an embodiment of the present invention; FIG. 4 is a partial schematic view of the dust removal operation of the heat dissipation LED lamp according to the embodiment of the invention. As shown in the drawings, a heat-dissipating LED lamp includes a socket housing 10, the socket housing 10 having a central through hole 11 and an air inlet 12 leading to the central through hole 11; an airflow guide cover 20 arranged on the lamp holder shell 10, wherein the airflow guide cover 20 is communicated with the central through hole 11; the fixed LED lamp panel 30 is arranged on the lamp holder shell 10 and is arranged around the central through hole 11 in a surrounding mode, and the radiating ribs 31 are arranged on the upper side of the fixed LED lamp panel 30; the main heat dissipation fan mechanism 40 is positioned in the central through hole 11 and close to the upper side of the airflow guide cover 20, two ends of the main heat dissipation fan mechanism 40 are sleeved on the spiral slide bar 60 through the ball bearing 50, and the spiral slide bar 60 is erected at two sides in the central through hole 11; wherein, the central through hole 11 is internally provided with a mounting plate 13 for mounting the spiral slide bar 60, and the mounting plate 13 is fixed at the top of the spiral slide bar 60; a driving shaft 70 located on the upper side of the main heat dissipation fan mechanism 40 and driven by the main heat dissipation fan mechanism, wherein the driving shaft 70 drives a chain wheel mechanism 80 engaged with the driving shaft through a main gear 71, and two ends of the chain wheel mechanism 80 are respectively matched with the spiral sliding rods 60; the LED lamp panel 90 is covered on the central through hole 11 and located at the lower end of the lamp holder shell 10, connecting rods 91 are arranged on two sides of the LED lamp panel 90, an electric contact 92 is arranged at the upper end of each connecting rod 91, a bent part 93 is arranged on the lower side of each electric contact 92, a guide sliding rod 61 of the adjacent spiral sliding rod 60 is sleeved on each bent part 93, each guide sliding rod 61 is provided with a spring 62 supporting the corresponding connecting rod 91, the electric contacts 92 are inserted into the corresponding power switch 100, and the power switches 100 are arranged on the lamp holder shell 10 and face the corresponding; and a lamp cover housing 200 covering the airflow guide cover 20, wherein an air outlet passage 210 is provided between the lamp cover housing 200 and the airflow guide cover 20.

In an embodiment of the present invention, the base housing 10 is used as a base portion to mount and fix the LED lamp panel 30 and the sliding LED lamp panel 90. The rear side is fixed with the air flow guide cover 20 and communicated with the central through hole 11 of the corresponding sliding LED lamp panel 90 to form an air flow channel, and the main cooling fan mechanism 40 is used for blowing and cooling the fixed LED lamp panel 30 and the sliding LED lamp panel 90 which continuously work, so that the durability is improved. In detail, when the main cooling fan mechanism 40 works, external air is absorbed into the interior through the air inlet 12 of the lamp holder housing 10, passes through the upper portion of the fixed LED lamp panel 30 where the cooling ribs 31 are located, is gathered into the central through hole 11 where the sliding LED lamp panel 90 is located, continues to move upwards, and finally passes through the air outlet channel 210 formed by the airflow guide cover 20 and the lampshade housing 200, so that heat inside the cooling LED lamp provided by the invention is discharged to the outside, and a cooling effect is achieved. It is worth mentioning that, also set up vice radiator fan 400 in the passageway 210 of giving vent to anger, the wind direction is down, can aggravate the wind direction velocity of flow, realizes the rapid cooling heat dissipation, has improved efficiency.

The end of the connecting rod 91 is further provided with a transmission plate 300 covering the fixed LED lamp panel 30 and the sliding LED lamp panel 90. The transmission plate 300 can softly fix light emitted by the LEDs on the LED lamp panel 30 and the sliding LED lamp panel 90, transmit light, and protect internal electronic components.

The main heat radiation fan mechanism 40 of the present invention includes a fan motor 41; a first driving shaft 42a positioned at a lower side and a second driving shaft 42b positioned at an upper side, which are driven by the fan motor 41; the main heat dissipation fan 44 which is separated or connected with the first driving shaft 42a through the regulating mechanism 43, and the regulating mechanism 43 is simultaneously connected or separated with the second driving shaft 42b and the driving shaft 70; and a support 45 fixed on the fan motor 41 and provided with ball bearings 50 at two sides, wherein the support 45 is extended and sleeved on the guide slide rod 61. In this embodiment, the fan motor 41 is started to drive the main cooling fan 44 to rotate, and the wind direction of the main cooling fan is upward to drive the heat flow on the upper sides of the fixed LED lamp panel 30 and the sliding LED lamp panel 90 to be discharged, so as to realize cooling. The support 45 cooperates with the helical slide bars 60 on both sides via ball bearings 50 to reduce friction and improve sliding performance. The left and right ends of the stay 45 also extend to the guide slide 61, corresponding to the bent portion 93 of the link 91.

Referring to fig. 3 and 5 together, fig. 5 is a side view of the regulating mechanism 43 according to the embodiment of the present invention. The control mechanism 43 disconnects the fan motor 41 from the main heat dissipation fan 44 during the descending process of the main heat dissipation fan mechanism 40, thereby reducing the energy consumption and enhancing the safety. Specifically, the adjusting mechanism 43 includes a mounting frame 431 disposed around the fan motor 41, vertical beam portions 432 disposed on both sides of the mounting frame 431 and penetrating the supporting member 45, an upper beam portion 433 and a lower beam portion 434 connecting the vertical beam portions 432 on both sides, and a middle beam portion 435 for mounting the driving shaft 70 through a bearing; wherein, the two ends of the vertical beam part 432 are respectively sleeved with the telescopic parts 436a which are abutted against the middle beam part 435 and the supporting part 45, the lower side of the middle beam part 435 and the upper side of the supporting part 45 are respectively provided with a limiting block 436b, and the distance between the two limiting blocks 436b just controls the butt joint of the second driving shaft 42b and the driving shaft 70; a driven shaft 437 corresponding to the first driving shaft 42a is mounted on the lower beam portion 434 through a bearing, the main heat dissipation fan 44 is mounted on the driven shaft 437, and the distance between the lower limit block 436b and the lower beam portion 434 is such that the first driving shaft 42a and the driven shaft 437 are in butt joint with each other to form a gap and can be disconnected; the upper beam portion 433 and the mounting plate 13 are respectively fitted with magnets 438 which attract each other; when the upper beam portion 433 is attached to the mounting plate 13, the mounting frame 431 drives the driven shaft 437 to ascend, and the lower telescopic part 436a is contracted, so that the driven shaft 437 is abutted to the first driving shaft 42a through the abutting disc 439, the driving shaft 70 ascends along with the ascending, so that the second driving shaft 42b is separated from the driving shaft 70, the main heat dissipation fan 44 is communicated to start working, and the chain wheel mechanism 80 is disconnected; when the upper beam portion 433 is separated from the mounting plate 13, the lower telescopic member 436a is reset, the mounting frame 431 drives the driven shaft 437 to descend, the driven shaft 437 is separated from the first driving shaft 42a, the main heat dissipation fan 44 is turned off, the second driving shaft 42b descends to be in butt joint with the driving shaft 70 through the butt joint disc 439, and at this time, the two-wheel mechanism 80 is started.

The mounting frame 431 is integral with the driven shaft 437, the drive shaft 70, and the support 45 with the fan motor 41 supported by the telescopic member 435 is integral with the driven shaft 437. When the fixed fan motor 41 of support 45 is violently established motionlessly, go up roof beam portion 433 and mounting panel 13 and pass through magnet 438 attraction, the mounting frame 431 drives driven shaft 437 just can rise compression extensible member 436b for first driving shaft 42a is close to each other with driven shaft 437, and links to each other through butt joint dish 439, plays the shaft coupling effect, accomplishes the normal work of heat dissipation mode. When the magnets 438 are far away from each other and no attraction is generated, the integral mounting frame 431 is lowered again under the influence of gravity, the first driving shaft 42a is isolated from the driven shaft 437, so that the main heat dissipation fan 44 is turned off and does not rotate, and the separation of the magnets 438 is controlled by the sprocket mechanism 80 in the present invention.

It should be noted that the supporting member 45 provided by the present invention, i.e. fig. 2, is installed with the ball bearings 50 in a shaft shape at both ends, and the vertical part extending from the middle section thereof, i.e. fig. 6, is similar to the frame ring provided with the fan motor 41 and the installation frame 431.

In detail, the fan motor 41 provided by the present invention is bi-directionally arranged, the upper end of the fan motor can also drive the driving shaft 70, and the end of the driving shaft 70 is provided with the main gear 71 which can drive the meshed chain wheel mechanism 80. Referring to fig. 6, fig. 6 is a schematic internal gear view of the sprocket mechanism 80 according to the embodiment of the present invention. As shown in the drawing, the sprocket mechanism 80 includes a chain 81 whose middle portion engages the main gear 71; gears 82 engaging both ends of the chain 81; a ratchet 83 fixed to the inner wall of the gear 82; a ball bushing 84 is sleeved on the spiral sliding rod 60 and positioned inside the ratchet 83, and a pawl 85 matched with the ratchet 83 is embedded in the ball bushing 84. In one embodiment of the present invention, the main gear 71 rotates the chain 81, which in turn rotates the gear 82. When the gear 82 rotates clockwise, the ratchet wheel 83 rotates clockwise, the pawl 85 slides over the ratchet wheel 83, and the ball bearing sleeve 84 is kept still; when the gear 82 rotates counterclockwise, the ratchet 83 also rotates counterclockwise, and the pawl 85 is pushed by the ratchet 83, so that the ball sleeve 84 of the spiral sliding rod 60 is driven to rotate, and then the lifting is completed to drive the main cooling fan mechanism 40 to descend, thereby facilitating the disassembly and the taking out, and then cleaning up the dust accumulated on the fan blades of the main cooling fan 44, and ensuring the cleaning and the cooling efficiency.

It should be noted that the spiral sliding rod 60 has its special features, please refer to fig. 7, and fig. 7 is a schematic view of the spiral sliding rod 60 according to the embodiment of the present invention. The ball bearing housing 84 and the ball bearing 50 are ball-engaged with the slide chamber 601 of the screw slider 60, and the slide chamber 601 is provided with two helical grooves having the same pitch and opposite rotation directions and connected end to end. That is, when the ball bearing housing 84 rotates, the whole gear 82 drives the limited balls to move along the sliding cavity 601, and then spirally descends to complete the descending of the main cooling fan mechanism 40; when the ball bearing sleeve 81 moves to the bottommost part of the sliding cavity 601, the reverse spiral sliding cavity 601 guides the ball bearing sleeve 84 to continuously ascend and reciprocate, and the installation and positioning of the main cooling fan mechanism 40 can be completed at the moment, so that the operation is automatic, the operation is simple, and the practicability is greatly improved.

In addition, the ball bearing sleeve 84 and the ball bearing 50 are abutted by any inner ring to complete mutual linkage, so that transition is natural, and the driving performance is enhanced.

The energy-saving heat-dissipation LED lamp provided by the invention has two working modes, namely a lamp-on working mode and a lamp-off cleaning mode. As shown in fig. 3, when the lamp is turned on, the fan motor 41 drives the main cooling fan 44 to rotate, the driving shaft 70 rotates in the forward direction, the main cooling fan mechanism 50 is located at the uppermost end, the sliding LED lamp panel 90 is in butt joint with the fixed LED lamp panel 30, the sliding LED lamp panel and the fixed LED lamp panel are located at the same horizontal line, the electrical contact 92 of the connecting rod 71 is inserted into the power switch 100, the circuit is connected, the energy-saving LED lamp normally operates, and the ball bearing 84 does not rotate at this time. When the lamp is cleaned, as shown in fig. 4, the fan motor 41 starts the driving shaft 70 to rotate reversely, the pawl 85 is forced to drive the ball bearing sleeve 84 to rotate and descend on the spiral sliding rod 60, then the supporting piece 45 is driven to press the connecting rod 91, the spring 62 sleeved on the connecting rod 91 contracts, the electrical contact 92 descends, the circuit is disconnected, the sliding LED circuit board 90 and the transmission plate 300 descend along with the descending, and when the sliding LED circuit board descends to the bottom, the sliding LED circuit board can be manually cleaned, attached dust particles are removed, blocking is avoided, heat dissipation is affected, and durability is kept. After the cleaning is finished, the fan motor 41 is started, and the driving shaft 70 is rotated in the reverse direction, so that the main cooling fan mechanism 40 continuously rises and resets along the sliding cavity 601, and the main cooling fan mechanism continuously works, saves energy and is convenient and fast.

Next, please continue to refer to fig. 8, in which fig. 8 is a schematic diagram of the area a of fig. 3. The energizing switch 100 includes a frame 110 fixed to the socket housing 10, the frame 110 having an opening through which the electrical contact 92 of the link 91 passes; t-shaped bars 120 respectively fixed to both sides inside the frame body 110; a tension spring 130 sleeved on the T-shaped rod 120; the hollow sleeve 140 is clamped on the tension spring 130, and the hollow sleeve 140 is provided with a limit end part 150 which stops against the tension spring 130; and electrical contacts 160 mounted to the side pockets 140. In the present embodiment, the two side conduction switches 100 correspond to positive and negative switches, are located right above the links 91 on both sides, and have two opposing electrical contacts 160 that are in spring contact. When the electrical contact 92 at the end of the link 91 rises and abuts the tapered electrical contact 160, the hollow body 140 is pressed to contract toward the tension spring 130. Therefore, the tension spring 130 limited between the T-shaped rod 120 and the limiting end 150 of the hollow sleeve 140 can drive the electric contact piece 160 to expand outward, and then tightly contact the electric contact 92 to connect the circuit, and the good elastic performance of the tension spring 130 can also ensure the safe connection of the circuit, so the application is wide and the use is convenient.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A heat dissipating LED lamp, comprising:

a socket housing (10), the socket housing (10) having a central through hole (11) and an air inlet (12) leading to the central through hole (11);

the air flow guide cover (20) is arranged on the lamp holder shell (10), and the air flow guide cover (20) is communicated with the central through hole (11);

the fixed LED lamp panel (30) is arranged on the lamp holder shell (10) and is arranged around the central through hole (11) in a surrounding mode, and the upper side of the fixed LED lamp panel (30) is provided with a heat dissipation rib (31);

the main cooling fan mechanism (40) is positioned in the central through hole (11) and close to the upper side of the airflow guide cover (20), two ends of the main cooling fan mechanism (40) are sleeved on the spiral sliding rod (60) through a ball bearing (50), and the spiral sliding rod (60) is erected on two sides in the central through hole (11); wherein, a mounting plate (13) for mounting the spiral sliding rod (60) is arranged in the central through hole (11), and the mounting plate (13) is fixed at the top of the spiral sliding rod (60);

the driving shaft (70) is positioned on the upper side of the main cooling fan mechanism (40) and driven by the main cooling fan mechanism, the driving shaft (70) drives a meshed chain wheel mechanism (80) through a main gear (71), and two ends of the chain wheel mechanism (80) are respectively matched with the spiral sliding rod (60);

the lamp holder comprises a central through hole (11) and a sliding LED lamp panel (90) which is covered on the central through hole (11) and is positioned at the lower end of a lamp holder shell (10), connecting rods (91) are arranged on two sides of the sliding LED lamp panel (90), an electric contact (92) is arranged at the upper end of each connecting rod (91), a bent part (93) is arranged on the lower side of each electric contact (92), a guide sliding rod (61) adjacent to the spiral sliding rod (60) is sleeved on each bent part (93), each guide sliding rod (61) is provided with a spring (62) which supports against the corresponding connecting rod (91), so that each electric contact (92) is inserted into a power-on switch (100), and each power-on switch (100) is installed on the corresponding lamp holder shell; and

the lampshade shell (200) is covered on the airflow guide cover (20), and an air outlet channel (210) is arranged between the lampshade shell (200) and the airflow guide cover (20).

2. The heat dissipation LED lamp of claim 1, wherein a transmission plate (300) covering the fixed LED lamp panel (30) and the sliding LED lamp panel (90) is further arranged at the lower end of the connecting rod (91).

3. The heat dissipating LED lamp of claim 1, wherein a sub heat dissipating fan (400) is disposed in the air outlet channel (210).

4. The heat dissipating LED lamp of claim 1 wherein the primary heat dissipating fan mechanism (40) comprises a fan motor (41); a first driving shaft (42a) positioned at the lower side and a second driving shaft (42b) positioned at the upper side, which are driven by the fan motor (41); a main heat radiation fan (44) separated or connected with the first driving shaft (42a) through a regulating mechanism (43), wherein the regulating mechanism (43) is simultaneously connected or separated with the second driving shaft (42b) and the driving shaft (70); and the supporting piece (45) is fixed on the fan motor (41) and is provided with two sides of the ball bearing (50), and the supporting piece (45) is extended and sleeved on the guide sliding rod (61).

5. The heat dissipation LED lamp of claim 4, wherein the adjusting mechanism (43) comprises a mounting frame (431) surrounding the fan motor (41), vertical beam portions (432) penetrating the supporting member (45) are provided at two sides of the mounting frame (431), an upper beam portion (433) and a lower beam portion (434) connecting the vertical beam portions (432) at the two sides, and a middle beam portion (435) mounting the driving shaft (70) through a bearing; the two ends of the vertical beam part (432) are respectively sleeved with a telescopic part (436a) which is abutted against the middle beam part (435) and the supporting part (45), and the lower side of the middle beam part (435) and the upper side of the supporting part (45) are respectively provided with a limiting block (436 b); the lower beam part (434) is provided with a driven shaft (437) corresponding to the first driving shaft (42a) through a bearing, and the driven shaft (437) is provided with the main heat radiating fan (44); the upper beam part (433) and the mounting plate (13) are respectively embedded with magnets (438) which attract each other; when the upper beam part (433) is attached to the mounting plate (13), the mounting frame (431) drives the driven shaft (437) to ascend and contract the telescopic piece (436a) on the lower side, so that the driven shaft (437) is in butt joint with the first driving shaft (42a) through a butt joint disc (439), the second driving shaft (42b) is separated from the driving shaft (70), and the main heat dissipation fans (44) are communicated; when the upper beam part (433) is separated from the mounting plate (13), the telescopic piece (436a) is reset on the lower side, the mounting frame (431) drives the driven shaft (437) to descend, the driven shaft (437) is separated from the first driving shaft (42a), the main heat dissipation fan (44) is disconnected, and the second driving shaft (42b) is butted with the driving shaft (70) through the butting disc (439).

6. The heat dissipating LED lamp of claim 4, wherein the sprocket mechanism (80) comprises a chain (81) that engages the main gear (71) at the middle; a gear (82) engaging both ends of the chain (81); a ratchet wheel (83) fixed on the inner wall of the gear (82); the ball bearing sleeve (84) is sleeved on the spiral sliding rod (60) and positioned inside the ratchet wheel (83), and a pawl (85) matched with the ratchet wheel (83) is embedded in the ball bearing sleeve (84).

7. The heat dissipating LED lamp of claim 6, wherein the ball bearing sleeve (84) and the ball bearing (50) are both ball-engaged with a slide cavity (601) of the screw slide (60), the slide cavity (601) being configured as two helical grooves of the same pitch, with opposite directions of rotation and end-to-end.

8. The heat dissipating LED lamp of claim 7, wherein the ball bearing sleeve (84) abuts the ball bearing (50) through either inner race.

9. The heat-dissipating LED lamp according to claim 8, wherein when the fan motor (41) is started to control the driving shaft (70) to rotate forward, the chain (81) drives the gear (82) to rotate clockwise, and the pawl (85) and the ball bearing sleeve (84) do not rotate; when fan motor (41) starts, when control drive shaft (70) reversal, chain (81) drive gear (82) anticlockwise rotation, pawl (85) with ball axle sleeve (84) are rotatory, drive main radiator fan mechanism (40) is in descend on spiral slide bar (60), and pass through support piece (45) pushes away link (91), makes LED lamp plate (90) that slides descend.

10. The heat dissipating LED lamp of claim 1, wherein the energizing switch (100) comprises a frame (110) fixed to the socket housing (10), the frame (110) having an opening through which the electrical contact (92) of the link (91) passes; t-shaped rods (120) respectively fixed on two sides in the frame body (110); a tension spring (130) sleeved on the T-shaped rod (120); the hollow sleeve body (140) is clamped on the tension spring (130), and the hollow sleeve body (140) is provided with a limiting end part (150) which is stopped against the tension spring (130); and electric contact pieces (160) arranged on the empty sleeves (140) at two sides; wherein when slip LED lamp plate (90) with when fixed LED lamp plate (30) dock, electrical contact (92) of connecting rod (91) insert circular telegram switch (100).