CN209213802U - A kind of LED high-power lamp tool - Google Patents

Abstract

The utility model discloses a kind of LED high-power lamp tools, including metab and LED luminescence unit；Metab is equipped with receiving area and is equipped with mounting groove, and LED luminescence unit is located in receiving area and is slidably mounted in mounting groove；Metab also extends away from the side of receiving area is equipped with multiple heat sink strips；The light emission direction of each large-power LED light bead of LED luminescence unit is towards open region.The utility model is provided from lamps and lanterns level largely can heat loss through conduction design；Spaced multiple heat sink strips make can heat loss through conduction with can heat loss through convection preferably combined, improve heat-sinking capability；LED luminescence unit is slidably mounted in the mounting groove of metab, greatly simplifies the installation of LED luminescence unit, is particularly suitable for the LED high-power lamp tool design of elongate in shape；It is possible thereby to realize that large-power LED light bead hiding is contained in receiving area the Acceptable life for still having good heat dissipation effect, and promoting LED high-power lamp tool.

Description

A kind of LED high-power lamp tool

Technical field

The utility model relates to LED high-power illumination fields, more particularly to, a kind of LED high-power lamp tool.

Background technique

LED (Light Emitting Diode), light emitting diode are that one kind can convert electrical energy into consolidating for visible light The semiconductor devices of state, it can directly be converted electricity to light.The heart of LED is the chip of a semiconductor, one end of chip It is attached on a bracket, one end is cathode, and the other end connects the anode of power supply, is encapsulated entire chip by epoxy resin. Semiconductor wafer consists of two parts, and a part is P-type semiconductor, and hole is occupied an leading position inside it, and the other end is N-type half Conductor is mainly electronics in this side.But when both semiconductors connect, a P-N junction is just formed between them.When When electric current acts on this chip by conducting wire, electronics will be pushed to the area P, and electronics is with hole-recombination in the area P, then Energy will be issued in the form of photon, here it is the principles that LED light shines.And the wavelength of light i.e. the color of light, be by Form the material decision of P-N junction.

LED light source has using low-tension supply, energy consumption less, strong applicability, stability are high, the response time is short, to environment without The advantage of pollution, multicolor luminous etc., with the development of technology, LED light source come into huge numbers of families and lead in various illuminations Domain is used widely, and great power LED typically refers to the LED light that single power is greater than 1 watt or more；But the heating problem of LED Very serious, especially for LED high-power illumination, heat dissipation problem if do not can solve LED, the effective of LED light source uses the longevity Life will drop to from 100,000 hours less than 5,000 hours, i.e., drop to from more than 11 years less than 1 year.

Therefore, the prior art is defective, needs to improve.

Utility model content

The utility model provides a kind of new LED high-power lamp tool, and how technical problem to be solved includes: from enhancing It is designed in terms of heat-sinking capability, promotes the Acceptable life of LED high-power lamp tool.

The technical solution of the utility model is as follows: a kind of LED high-power lamp tool, comprising: metab and LED are luminous single Member；The metab is equipped with receiving area, and the receiving area has the open region for being connected to external environment；And the metal Pedestal is equipped with mounting groove in the receiving area, and the LED luminescence unit is located in the receiving area, and the LED shines Unit is slidably mounted in the mounting groove；The metab also extends away from the side of the receiving area is equipped with multiple heat dissipations Item, each heat sink strip interval setting；The LED luminescence unit includes PCB substrate, multiple large-power LED light beads and its driving Structure, the PCB substrate are slidably mounted in the mounting groove, each large-power LED light bead and each driving structure point Not Wei Yu the PCB substrate two sides, and the light emission direction of each large-power LED light bead is towards the open region.

Preferably, the metab is additionally provided with guiding wall and mainboard, and the guiding wall and the mainboard surround institute jointly Receiving area is stated, the guiding wall is equipped with the mounting groove in the receiving area；The mainboard deviates from the side of the receiving area Also extend and is equipped with multiple heat sink strips.

Preferably, the mainboard offers multiple air holes.

Preferably, the guiding wall also offers multiple air holes.

Preferably, the metab is also obliquely extended away from the side of the receiving area in the mainboard and ties equipped with corner Structure.

Preferably, the metab is obliquely extended in the mainboard and is equipped with a pair of corner structure, and a pair of of institute Corner structure is stated to be symmetrical arranged.

Preferably, the metab is also convexly equipped with block portion in position of the guiding wall far from the mainboard.

Preferably, the guiding wall, the mainboard, the block portion, a pair of corner structure and each heat sink strip It is integrally formed.

Preferably, the side of the mainboard towards the receiving area, which also extends, is equipped with multiple heat dissipation protrusions, each described The setting of heat dissipation protrusion interval.

Preferably, the heat dissipation protrusion has the cross section of regular polygon, circle, ellipse or multi-corner star-shape.

Using the above scheme, the utility model uses metab, and ideally providing from lamps and lanterns level can largely pass Lead heat dissipation design；Spaced multiple heat sink strips make can heat loss through conduction with can heat loss through convection preferably combined, improve scattered Thermal energy power；LED luminescence unit is slidably mounted in the mounting groove of metab, greatly simplifies the installation of LED luminescence unit, It is particularly suitable for the LED high-power lamp tool design of elongate in shape；Since heat dissipation performance is superior, the big function of LED luminescence unit Rate LED lamp bead is not necessarily to be placed on outside as existing large-power LED light bead, it is possible thereby to realize that large-power LED light bead hiding is contained in metal Still there is good heat dissipation effect under the premise of in the receiving area of pedestal, and promote the effective of LED high-power lamp tool and use the longevity Life has very high market application value.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of one embodiment of the utility model；

Fig. 2 is the metab structural schematic diagram of embodiment illustrated in fig. 1；

Fig. 3 is the metab schematic cross-section of embodiment illustrated in fig. 2；

Fig. 4 is the schematic diagram of another embodiment of the utility model；

Fig. 5 is the metab structural schematic diagram of embodiment illustrated in fig. 4；

Fig. 6 is the metab schematic cross-section of embodiment illustrated in fig. 5；

Fig. 7 is the schematic diagram of another embodiment of the utility model；

Fig. 8 is the metab structural schematic diagram of embodiment illustrated in fig. 7；

Fig. 9 is the metab schematic cross-section of embodiment illustrated in fig. 8；

Figure 10 is the schematic diagram of another embodiment of the utility model；

Figure 11 is the metab structural schematic diagram of embodiment illustrated in fig. 10；

Figure 12 is the metab schematic cross-section of embodiment illustrated in fig. 11.

Specific embodiment

For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed Thin explanation.But the utility model can be realized using many different forms, however it is not limited to described in this specification Embodiment.It should be noted that be referred to as " being fixed on " another element when element, it can directly on the other element or There may also be elements placed in the middle by person.When an element is considered as " connection " another element, it can be directly to Another element may be simultaneously present centering elements.

Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.Term used in this specification " and/or " it include any and all combinations of one or more related listed items.

One embodiment of the utility model is a kind of LED high-power lamp tool, comprising: metab and LED are luminous single Member；The metab is equipped with receiving area, and the receiving area has the open region for being connected to external environment；And the metal Pedestal is equipped with mounting groove in the receiving area, and the LED luminescence unit is located in the receiving area, and the LED shines Unit is slidably mounted in the mounting groove；The metab also extends away from the side of the receiving area is equipped with multiple heat dissipations Item, each heat sink strip interval setting；The LED luminescence unit includes PCB substrate, multiple large-power LED light beads and its driving Structure, the PCB substrate are slidably mounted in the mounting groove, each large-power LED light bead and each driving structure point Not Wei Yu the PCB substrate two sides, and the light emission direction of each large-power LED light bead is towards the open region.Using Above scheme, the utility model use metab, and ideally providing from lamps and lanterns level largely can heat loss through conduction design；Between Every multiple heat sink strips of setting make can heat loss through conduction with can heat loss through convection preferably combined, improve heat-sinking capability；LED shines Unit is slidably mounted in the mounting groove of metab, is greatly simplified the installation of LED luminescence unit, is particularly suitable for strip The LED high-power lamp of shape has design；Since heat dissipation performance is superior, the large-power LED light bead of LED luminescence unit is not necessarily to picture Outside existing large-power LED light bead is placed on, it is possible thereby to realize that large-power LED light bead hiding is contained in the receiving area of metab Under the premise of still have good heat dissipation effect, and promoted LED high-power lamp tool Acceptable life, have very high market Application value.

The large-power LED light bead of each embodiment, as previously mentioned, typically referring to the LED that single power is greater than 1 watt or more Lamp bead can directly be bought from market and obtain.Preferably, the metal of the metab is copper, copper alloy or aluminium alloy, is considered To cost problem, it is usually preferred to use aluminium alloy especially hollow aluminium alloy profile；Preferably, the metab, which is additionally provided with, draws Guide wall and mainboard, the guiding wall and the mainboard surround the receiving area jointly, and the guiding wall is set in the receiving area There is the mounting groove；The mainboard also extends away from the side of the receiving area is equipped with multiple heat sink strips.It is preferred that institute Guiding wall, the mainboard and each heat sink strip is stated to be integrally formed, here it is the maximum benefit of metab is used, process is few, Simple process, it is easily manufactured, quick, product can be gone out rapidly.It is preferred that the guiding wall includes left guide wall and right guide wall, The left guide wall is connected by the mainboard with the right guide wall, i.e., the described left guide wall and the right guide wall are separately positioned, described Left guide wall, the mainboard and the right guide wall sequence are arranged to surround the receiving area jointly.

In view of wiring problem, it is preferred that the side of the mainboard towards the receiving area is additionally provided with wire casing, wherein holding It is equipped with conducting wire, the PCB substrate connects the conducting wire and for by the power supply outside conducting wire connection.It is preferred that institute It states metab and is not provided with conducting wire, the LED high-power lamp tool further includes connection terminal, and the connection terminal is for connecting outside Power supply；The PCB substrate connects the connection terminal and for by the power supply outside connection terminal connection.Thus may be used To realize overly simplified product design, it is worth noting that, the LED high-power lamp tool of the utility model can not include The connection terminal for example individually buys connection terminal by user's autogamy connection terminal or LED high-power lamp tool can be with Including the connection terminal, allows user to buy and use.

In view of optimization design can heat loss through convection the problem of, it is preferred that the mainboard offers multiple air holes.It is preferred that , the guiding wall also offers multiple air holes.It is preferred that the air hole is cylindrical or stud-shape, cylinder Shape is readily produced, and stud-shape is easily installed design other structures, such as is installed by the combination of screw rod and stud-shape air hole, will The LED high-power lamp tool is fixed on outside.It is possible thereby to realize that the hot gas in receiving area is shed by way of heat loss through convection To outside the receiving area, it is able to ascend heat dissipation effect.

In view of make full use of space environment promoted can heat loss through conduction and can heat loss through convection combination problem, it is preferred that institute Metab is stated also to be obliquely extended away from the side of the receiving area equipped with corner structure in the mainboard.Preferably, the gold Belong to pedestal to be obliquely extended in the mainboard equipped with a pair of corner structure, and a pair of corner structure is symmetrical arranged.It is excellent Choosing, the guiding wall, the mainboard, a pair of corner structure and each heat sink strip are integrally formed.It is preferred that described Corner structure is provided with step structure and the step structure extends in the direction away from the mainboard equipped with multiple scattered Hot branch, each heat dissipation branch interval setting；It is possible thereby to realize a greater amount of conductors that radiates, more can heat loss through conduction with Can heat loss through convection bonded area, obtain more superior heat dissipation effect.

The problem of in view of light-blocking angle or adding light guide plate, it is preferred that the metab is separate in the guiding wall The position of the mainboard is also convexly equipped with block portion.Preferably, the guiding wall, the mainboard, the block portion, a pair of angle Portion's structure and each heat sink strip are integrally formed.The angle of emergent light can not only be blocked to a certain extent in block portion, may be used also Light guide plate is added when for example user likes if necessary in a manner of being slidably installed.It is worth noting that the utility model Even if the LED high-power lamp tool is after adding light guide plate, because of the design of metab, still there is heat dissipation effect superior enough Fruit.

Preferably, the side of the mainboard towards the receiving area, which also extends, is equipped with multiple heat dissipation protrusions, each described The setting of heat dissipation protrusion interval.Preferably, the heat dissipation protrusion has the transversal of regular polygon, circle, ellipse or multi-corner star-shape Face.Preferably, the heat sink strip has the cross section of regular polygon, circle, ellipse or multi-corner star-shape.Especially multi-corner star-shape The embodiment of heat dissipation protrusion perhaps heat sink strip of cross section can increase connecing for heat dissipation protrusion or heat sink strip and atmospheric environment Contacting surface product, promoted can heat loss through conduction with can heat loss through convection combination, obtain more superior heat dissipation effect.It is preferred that extremely Annular mountain area is equipped between few two heat dissipation protrusions, the annular mountain area bottom is equipped with the venthole through the mainboard.Compared with Good, the venthole is arranged together with the air hole.It is preferred that the heat dissipation protrusion is annular mountain area, the ring Shape mountain area bottom is equipped with the venthole through the mainboard.It is preferred that the venthole is arranged together with the air hole.

The LED high-power lamp tool of the utility model is illustrated with reference to the accompanying drawing.

Embodiment 1

As shown in Figure 1, one embodiment of the utility model is, LED high-power lamp tool includes metab 100 and LED Luminescence unit 200；The metab is equipped with receiving area 300, and the receiving area has the open region for being connected to external environment 310；And Fig. 2 and Fig. 3 are please referred to, the metab is equipped with mounting groove 330 in the receiving area, and the LED shines single Member is located in the receiving area, and the LED luminescence unit is slidably mounted in the mounting groove, wherein the metal bottom Seat is additionally provided with guiding wall 110 and mainboard 120, and guiding wall 110 is located at the both sides of mainboard 120, i.e. the both sides of mainboard are all guiding walls, The guiding wall and the mainboard surround the receiving area jointly, and the guiding wall is equipped with the installation in the receiving area Slot；The metab is obliquely extended in the mainboard 110 and is equipped with a pair of of corner structure 130, and a pair of corner structure It is symmetrical arranged；The mainboard also extends away from the side of the receiving area is equipped with multiple heat sink strips 140, the at this time receiving Area is formed with interior alveolus 320 between the LED luminescence unit 200 and the ontology 120, i.e., the described receiving area 300 includes opening Mouth region 310, interior alveolus 320 and mounting groove 330；The metab also extends away from the side of the receiving area is equipped with multiple dissipate Hot item, the guiding wall, the mainboard, a pair of corner structure and each heat sink strip are integrally formed.Each heat sink strip Interval setting is formed with heat dissipation gap 410；Corner clearance 420 is formed between corner structure and heat sink strip；The LED shines single Member 200 includes PCB substrate 220, multiple large-power LED light beads 230 and its driving structure 210, and the PCB substrate is slidably mounted on In the mounting groove, each large-power LED light bead is located at the two sides of the PCB substrate with each driving structure, and And the light emission direction of each large-power LED light bead is irradiated to external environment towards the open region and by the open region In；Each driving structure is respectively used to that each large-power LED light bead is driven to shine；Using the great power LED of 12 1.2W Lamp bead, PCB substrate width are 4.2cm, a length of 21.5cm；In actual product, it can be driven described in one with a driving structure Large-power LED light bead shines, and multiple large-power LED light beads can also be driven to shine with a driving structure, driving knot Structure can be commercially available driving chip or control module etc..

Embodiment 2

Another implementation of the utility model is for example shown in Fig. 4, Fig. 5 and Fig. 6, unlike the first embodiment, corner structure 130 be provided with step structure and the step structure in away from the mainboard direction extend be equipped with multiple heat dissipation branches, Each heat dissipation branch interval setting.

Embodiment 3

Another implementation of the utility model is for example shown in Fig. 7, Fig. 8 and Fig. 9, as different from Example 2, the mainboard 120 also extend towards the side of the receiving area 200 and are equipped with multiple heat dissipation protrusions 150, i.e., the described mainboard 120 is towards described The side in interior alveolus, which also extends, is equipped with multiple heat dissipation protrusions 150, and each heat dissipation protrusion interval is arranged in the receiving Interstitial area 340 is formed in area 300.

Embodiment 4

Another implementation of the utility model is as different from Example 3, described for example shown in Figure 10, Figure 11 and Figure 12 Metab 100 is also convexly equipped with block portion 160 far from the position of the mainboard 120 in the guiding wall 110, for blocking outgoing The angle of light installs light guide plate additional.

To each money LED of embodiment 1 to 4 under the indoor environment that temperature is 20 DEG C to 35 DEG C and humidity is 55% to 95% Large-power lamp carries out burn-in test, is always on 12 hours, 24 hours and 48 hours, detects mainboard respectively away from the receiving area At the temperature of side central area (in following table referred to as " mainboard ") and inner cavity district center position (in following table referred to as " interior alveolus ") Temperature table specific as follows shown in；Wherein, as shown in Figure 1, mainboard away from the receiving area side central area be A at, For at B at the district center position of inner cavity.

Usual standard is after reaching thermal balance, and spreader surface temperature is qualified product not higher than 55 DEG C；Embodiment 1 to 4 Each money LED high-power lamp tool almost reach thermal balance after being always on 12 hours, mainboard is in the side of the receiving area The temperature in heart district domain is significantly lower far below standard, especially embodiment 3 and the mainboard temperature of embodiment 4, shows in this case So facilitate to promote the Acceptable life that LED high-power lamp has；And in actual products, if between increasing LED lamp bead Every then can preferably reducing the temperature of interior alveolus and mainboard, extend the Acceptable life of LED high-power lamp tool.

Further, the embodiments of the present invention further include each technical characteristic of the various embodiments described above, are combined with each other shape At LED high-power lamp tool.

It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed, It is accordingly to be regarded as the range of the utility model specification record；Also, it for those of ordinary skills, can be according to above stating It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model It encloses.

Claims (10)

1. a kind of LED high-power lamp tool characterized by comprising metab and LED luminescence unit；

The metab is equipped with receiving area, and the receiving area has the open region for being connected to external environment；And the gold Belong to pedestal and be equipped with mounting groove in the receiving area, the LED luminescence unit is located in the receiving area, and the LED is sent out Light unit is slidably mounted in the mounting groove；

The metab also extends away from the side of the receiving area is equipped with multiple heat sink strips, and each heat sink strip interval is set It sets；

The LED luminescence unit includes PCB substrate, multiple large-power LED light beads and its driving structure, the PCB substrate sliding It is installed in the mounting groove, each large-power LED light bead and each driving structure are located at the two of the PCB substrate Side, and the light emission direction of each large-power LED light bead is towards the open region.

2. LED high-power lamp has according to claim 1, which is characterized in that the metab is additionally provided with guiding wall and master Plate, the guiding wall and the mainboard surround the receiving area jointly, and the guiding wall is equipped with the peace in the receiving area Tankage；The mainboard also extends away from the side of the receiving area is equipped with multiple heat sink strips.

3. LED high-power lamp has according to claim 2, which is characterized in that the mainboard offers multiple air holes.

4. LED high-power lamp has according to claim 3, which is characterized in that the guiding wall also offers multiple described Stomata.

5. LED high-power lamp has according to claim 2, which is characterized in that the metab deviates from institute in the mainboard The side for stating receiving area is also obliquely extended equipped with corner structure.

6. LED high-power lamp has according to claim 5, which is characterized in that the metab prolongs in the mainboard is oblique It stretches and is equipped with a pair of corner structure, and a pair of corner structure is symmetrical arranged.

7. LED high-power lamp has according to claim 6, which is characterized in that the metab is separate in the guiding wall The position of the mainboard is also convexly equipped with block portion.

8. LED high-power lamp has according to claim 7, which is characterized in that the guiding wall, the mainboard, the block Portion, a pair of corner structure and each heat sink strip are integrally formed.

9. LED high-power lamp has according to claim 2, which is characterized in that side of the mainboard towards the receiving area Also extend and is equipped with multiple heat dissipation protrusions, each heat dissipation protrusion interval setting.

10. LED high-power lamp has according to claim 9, which is characterized in that the heat dissipation protrusion has regular polygon, circle The cross section of shape, ellipse or multi-corner star-shape.