CN202216097U

CN202216097U - Light-emitting diode (LED) mining lamp with external power supply

Info

Publication number: CN202216097U
Application number: CN2011203032114U
Authority: CN
Inventors: 文良志
Original assignee: VOLUN ELECTRONICS CO Ltd
Current assignee: VOLUN ELECTRONICS CO Ltd
Priority date: 2011-08-18
Filing date: 2011-08-18
Publication date: 2012-05-09
Anticipated expiration: 2021-08-18

Abstract

The utility model provides a light-emitting diode (LED) mining lamp with an external power supply. The LED mining lamp comprises the external power supply and a mining lamp, wherein the external power supply comprises a switching power supply and a constant current module which is electrically connected with the switching power supply; the mining lamp comprises a sling chain, a fixed handle, a head cover, a fan, a radiator, a temperature protector, a reflector, an LED module, a dust cover and a light transmission lens; in the LED module, an LED chip is directly encapsulated on a circuit board by adopting a chip-on-board (COB) surface mounting technology; and the switching power supply is a direct current or alternating current switching power supply. The LED mining lamp with the external power supply has the advantages of long service life and wide application and can be safely used.

Description

External power supply LED bulkhead lamp capable

Technical field

The utility model relates to the external LED bulkhead lamp capable of a kind of power supply, adopts the COB encapsulation, and the temperature of LED module is lower, belongs to the LED lighting technical field.

Background technology

LED is a kind of emerging illuminating material, because it has the advantage of low energy consumption, life-span length, asepsis environment-protecting, is widely used at lighting field at present, has much the trend that replaces conventional light source.

At present on the market LED bulkhead lamp capable generally adopts the mode of on-chip power, and power circuit partly is installed in the inside of LED lamp housing, is used for alternating current is converted into direct current supply.But the LED bulkhead lamp capable of built-in power exists following weak point: one, because power supply is the meeting distribute heat in work originally, be unfavorable for the heat dissipation design of LED fluorescent tube, influence the performance of light source; Two, because the aluminum tube surfaces reflecting effect is undesirable, illumination is low; In case three power circuits break down, need whole bulkhead lamp capable be taken off, dismantle place under repair and replacing, waste time and energy; Four, because on-chip power need occupy bigger space, therefore can be heavier, and also luminance nonuniformity makes hot spot obvious, brightness disproportionation.

The utility model content

The utility model promptly is to be directed against the above-mentioned weak point of common on-chip power formula bulkhead lamp capable in the market, and a kind of low-voltage, reflective even is provided, the power supply external LED bulkhead lamp capable that brightness is higher, and have temperature protection function.

Specifically; The described external power supply LED of the utility model bulkhead lamp capable; Comprise external power supply and bulkhead lamp capable, external power supply comprises Switching Power Supply and the constant flow module that is electrically connected with Switching Power Supply, it is characterized in that: described bulkhead lamp capable comprises chain sling, fixed handle, top cover, fan, radiator, temperature protector, reflection shield, LED module, dust cover and transmission lens; Wherein

1, fixed handle is " U " type, comprises base and two arms, has mesopore on the base, and an end of chain sling is provided with the connection double-screw bolt of hollow, and the aperture nut was fixed on the base of fixed handle during the connection double-screw bolt passed;

2, top cover be fixed becket around, cap base has aperture, in aperture, is plugged with rubber ring, is connected with the fiberglass tubes of hollow between the aperture of cap base and the mesopore of fixed handle;

3, fan is fixed in the inboard of cap base through set bolt, and the middle part of radiator has through hole, and dome is at the top of radiator, and two sides of radiator are connected fixing respectively with two arms of fixed handle;

4, the reflection shield bottom has a platform with the contact-making surface of radiator, has the hole on the platform, is communicated with the through hole of radiator; Temperature protector is arranged in the through hole of radiator; The LED module is made up of with the LED that is arranged on the circuit board circuit board, and the platform that is close to reflection shield is inboard, and long bolt is fixed on the radiator bottom with LED module, reflection shield; It is outside that dust cover is enclosed within the LED module, and transmission lens is through being bolted on the dust cover;

5, the power line of external power supply mesopore, the fiberglass tubes of passing connection double-screw bolt, the fixed handle of chain sling successively gets in the top cover, and passes the through hole and reflection shield and the electric connection of LED module of radiator.

Further, described LED module adopts the COB mounting technology, and led chip directly is encapsulated on the circuit board.

COB (Chip-on-Board) is also referred to as chip directly placed technology, is meant directly to stick on bare chip on the printed circuit board (PCB); The bonding that goes between is then sealed the technology of protection with organic gel with chip and lead-in wire again, compares with common process; This technology packaging density is high, and operation is easy.

Described external power supply LED bulkhead lamp capable is characterized in that: described Switching Power Supply comprises direct current or alternating-current switch power supply.

Described external power supply LED bulkhead lamp capable is characterized in that: described Switching Power Supply takes to be lower than the power supply power supply of 36V.

Described external power supply LED bulkhead lamp capable is characterized in that: described radiator is made up of the heat-radiating aluminum plate of a plurality of ribs of the fan shapes.

Described external power supply LED bulkhead lamp capable is characterized in that: said LED comprises RGB monochromatic LED chip or all-colour LED chip.

Described external power supply LED bulkhead lamp capable is characterized in that: the reference color temperature of said external power supply LED bulkhead lamp capable is 2700-7500K.

Described external power supply LED bulkhead lamp capable is characterized in that: the lighting angle of said external power supply LED bulkhead lamp capable is 140 °.

Described external power supply LED bulkhead lamp capable is characterized in that: described reflection shield comprises Transparent lamp shade, diffusion cloudy surface lampshade or frosted lampshade.

The size of described external power supply LED bulkhead lamp capable comprises traditional bulkhead lamp capable, LED 30W, 50W, 80W, 120W, 150W bulkhead lamp capable.

The described external power supply LED of the utility model bulkhead lamp capable has following advantage:

1. high, the long service life of luminous efficiency: the luminous efficiency of wax lamp approximately is 55-60lm/W, and the luminous efficiency of LED has so just been practiced thrift the energy greatly more than 100lm/W;

2.LED bulkhead lamp capable is through reflectorized material after the reflection shield surface treatment, to reflection of light, diffusion makes the illumination on whole ground, and is more energy-conservation than the LED bulkhead lamp capable on the electricity face of present city;

3. reference color temperature is wide, colour rendering index is high: almost any colour temperature can be provided, but also RGB can be provided so that the light of any color, common high pressure wax lamp is 20-65, the LED bulkhead lamp capable then can＞80, and do not have ultraviolet radiation;

4. the LED bulkhead lamp capable of external insulating power supply does not all reach the civil power high pressure at LED COB encapsulation module two ends, only is lower than the direct current safe voltage of 36V, does not have the danger of electric shock, is a kind of safe light fixture fully;

5. because power supply is external, effectively solved the heat dissipation problem of LED fluorescent tube, prolonged the service life of LED bulkhead lamp capable, and power supply has been external, through the optical treatment of reflection shield, made effective lighting angle increase, ground does not have shadow;

6. the heat-radiating aluminum plate comprises one in arc heat-radiating aluminum plate or ribs of the fan shape heat-radiating aluminum plate fan, and wherein ribs of the fan shape heat-radiating aluminum plate has better radiating effect, and bulkhead lamp capable further prolongs service life;

7. be widely used: the application of the external LED bulkhead lamp capable of described power supply comprises places such as government bodies, market, school, underground parking garage or room lighting.

Description of drawings

Fig. 1 is the decomposition package assembly sketch map of bulkhead lamp capable among the utility model embodiment;

Fig. 2 is the structural representation of external power supply among the utility model embodiment;

Wherein, 1 is that chain sling, 10 is that connection double-screw bolt, 2 is that fixed handle, 20 is that mesopore, 21 is that nut, 22 is that fiberglass tubes, 3 is that top cover, 30 is that rubber ring, 4 is that fan, 40 is that set bolt, 5 is that radiator, 6 is that temperature protector, 7 is that reflection shield, 70 is that platform, 8 is that LED module, 80 is that long bolt, 81 is that dust cover, 82 is that transmission lens, 9 is that external power supply, 90 is a power line.

The specific embodiment

Below in conjunction with accompanying drawing the described external power supply LED of the utility model bulkhead lamp capable is carried out detailed explanation; Purpose is better to understand the described technology contents of the utility model for the public; Rather than to the restriction of said technology contents; In fact, increase and decrease, replacement and the improvement in not violating the invention spirit of the utility model, done are all within the utility model technical scheme required for protection.

As illustrated in fig. 1 and 2, the described external power supply LED of the utility model bulkhead lamp capable comprises external power supply and bulkhead lamp capable; External power supply comprises Switching Power Supply and the constant flow module that is electrically connected with Switching Power Supply; Described bulkhead lamp capable comprises chain sling 1, fixed handle 2, top cover 3, fan 4, radiator 5, temperature protector 6, reflection shield 7, LED module 8, dust cover 81 and transmission lens 82, and wherein, fixed handle 2 is " U " type; Comprise base and two arms; Have mesopore 20 on the base, an end of chain sling 1 is provided with the connection double-screw bolt 10 of hollow, and connection double-screw bolt 10 passes mesopore 20 and is fixed on the base of fixed handle 2 through nut 21; Top cover 3 be fixed handle 2 around, top cover 3 bottoms have aperture, in aperture, are plugged with rubber ring 30, are connected with the fiberglass tubes 22 of hollow between the aperture of top cover 3 bottoms and the mesopore 20 of fixed handle 2; Fan 4 is fixed in the inboard of top cover 3 bottoms through set bolt 40, and the middle part of radiator 5 has through hole, and top cover 3 covers on the top of radiator 5, and two sides of radiator 5 are connected fixing respectively with two arms of fixed handle 2; The contact-making surface of reflection shield 7 bottoms and radiator 5 has a platform 70, has the hole on the platform 70, is communicated with the through hole of radiator 5; Temperature protector 6 is arranged in the through hole of radiator 5; LED module 8 is made up of with the LED that is arranged on the circuit board circuit board, is close to platform 70 inboards of reflection shield 7, and long bolt 80 is fixed on radiator 5 bottoms with LED module 8, reflection shield 7; Dust cover 81 is enclosed within LED module 8 outsides, and transmission lens 82 is through being bolted on the dust cover 81; Connection double-screw bolt 10, the mesopore 20 of fixed handle 2, fiberglass tubes 22 that the power line 90 of external power supply 9 passes chain sling 1 successively get in the top cover 3, and pass through hole and the reflection shield 7 and 8 electric connections of LED module of radiator 5.

Further, described LED module adopts the COB mounting technology, and led chip directly is encapsulated on the circuit board, and described Switching Power Supply comprises direct current or alternating-current switch power supply, and is preferred, and described Switching Power Supply takes to be lower than the power supply power supply of 36V.

The described external power supply LED of the utility model bulkhead lamp capable energy-saving is by the external power supply constant-current driving; Super brightness, the LED bulkhead lamp capable of 60W are equivalent to the common wax lamp of 200W illumination, and the LED bulkhead lamp capable of 100W is equivalent to the common wax lamp of 300W illumination; Equal illumination efficient is than traditional bulkhead lamp capable economize on electricity 80%; And do not have ultraviolet ray, infrared light radiation, and there is not heat yet, do not contain harmful substances such as mercury; Be 3 times of traditional bulkhead lamp capable life-span the service life with overlength, adopts aluminium material, is difficult for brokenly, energy-conservation, non-maintaining, has broad application prospects.

Claims

1. external power supply LED bulkhead lamp capable; Comprise external power supply and bulkhead lamp capable; External power supply comprises Switching Power Supply and the constant flow module that is electrically connected with Switching Power Supply; It is characterized in that: described bulkhead lamp capable comprises chain sling, fixed handle, top cover, fan, radiator, temperature protector, reflection shield, LED module, dust cover and transmission lens, wherein

1) fixed handle is " U " type, comprises base and two arms, has mesopore on the base, and an end of chain sling is provided with the connection double-screw bolt of hollow, and the aperture nut was fixed on the base of fixed handle during the connection double-screw bolt passed;

2) top cover be fixed becket around, cap base has aperture, in aperture, is plugged with rubber ring, is connected with the fiberglass tubes of hollow between the aperture of cap base and the mesopore of fixed handle;

3) fan is fixed in the inboard of cap base through set bolt, and the middle part of radiator has through hole, and dome is at the top of radiator, and two sides of radiator are connected fixing respectively with two arms of fixed handle;

4) the reflection shield bottom has a platform with the contact-making surface of radiator, has the hole on the platform, is communicated with the through hole of radiator; Temperature protector is arranged in the through hole of radiator; The LED module is made up of with the LED that is arranged on the circuit board circuit board, and the platform that is close to reflection shield is inboard, and long bolt is fixed on the radiator bottom with LED module, reflection shield; It is outside that dust cover is enclosed within the LED module, and transmission lens is through being bolted on the dust cover;

5) power line of external power supply mesopore, the fiberglass tubes of passing connection double-screw bolt, the fixed handle of chain sling successively gets in the top cover, and passes the through hole and reflection shield and the electric connection of LED module of radiator.

2. external power supply LED bulkhead lamp capable according to claim 1 is characterized in that: described Switching Power Supply comprises direct-current switch power supply or alternating-current switch power supply.

3. external power supply LED bulkhead lamp capable according to claim 1 and 2 is characterized in that: described Switching Power Supply takes to be lower than the power supply power supply of 36V.

4. external power supply LED bulkhead lamp capable according to claim 1 is characterized in that: described radiator is made up of the heat-radiating aluminum plate of a plurality of ribs of the fan shapes.

5. external power supply LED bulkhead lamp capable according to claim 1 is characterized in that: said LED comprises RGB monochromatic LED chip or all-colour LED chip.

6. external power supply LED bulkhead lamp capable according to claim 1 is characterized in that: the reference color temperature of said external power supply LED bulkhead lamp capable is 2700-7500K.

7. external power supply LED bulkhead lamp capable according to claim 1 is characterized in that: the lighting angle of said external power supply LED bulkhead lamp capable is 140 °.

8. external power supply LED bulkhead lamp capable according to claim 1 is characterized in that: described reflection shield comprises Transparent lamp shade, diffusion cloudy surface lampshade or frosted lampshade.