CN208587752U - A kind of energy saving type LED lamp - Google Patents

Abstract

The utility model belongs to the LED field.The energy saving type LED lamp that the purpose of the utility model is to provide a kind of color developing effects is good, light emitting angle is big.The technical solution adopted is that: a kind of energy saving type LED lamp, including sequentially connected bulb shield, cylindrical radiator and lamp cap.LED illuminating module is set on the end face of radiator and bulb shield opposite side.LED illuminating module includes LED substrate, LED lamp bead and total reflection pipe.The plate face of LED substrate and the end face of radiator are affixed, and LED lamp bead is arranged in the one side of LED substrate towards bulb shield.One end of total reflection pipe is opposite with LED lamp bead and the light inlet injected for light is arranged, and the other end protrudes into inside bulb shield, is totally reflected and several light-emitting windows projected for light are arranged on the tube body of pipe.The utility model light emitting angle is bigger, and light efficiency is higher, more energy conservation and environmental protection.

Description

A kind of energy saving type LED lamp

Technical field

The utility model belongs to the LED field, and in particular to a kind of energy saving type LED lamp.

Background technique

Conventional incandescent energy consumption is high, the service life is short, under the overall situation of global resources anxiety under, prohibited gradually by national governments It only produces, substitute products are electronic energy-saving lamps therewith, and although electronic energy-saving lamp improves energy-saving effect, but many due to having used The heavy metal element of environment is polluted, and runs counter to the main trend of environmental protection, development also has certain limitation.LED is The abbreviation of light emitting diode, it is made using electronics with the principle that can give off visible light when hole-recombination.With LED skill The high speed development of art, LED illumination are increasingly becoming the only choosing of novel green illumination.And LED is in principle of luminosity, energy-saving and environmental protection Level on all be far superior to traditional lighting products.Existing civil lamp generallys use ball bubble incandescent lamp, if LED will replace this No matter in base shapes or in appearance kind of incandescent lamp locates a kind of all similar with incandescent lamp light bulb it is necessary to develop, we by this Kind LED light is known as LEDbulb lamp.

Existing LEDbulb lamp includes lamp cap, driving power, radiator, LED illuminating module and bulb shield.For heat dissipation Demand, generally require for LED illuminating module to be mounted on bulb shield open at one end (namely close to one end of lamp cap), this just leads Cause LED illuminating module LED lamp bead be equally fully inserted into bulb shield without image of Buddha conventional incandescent, cause its light-emitting area it is small, Light emitting angle is narrow, cannot comprehensively and effectively replace traditional incandescent lamp.Meanwhile the LEDbulb lamp of this structure shines mould in LED It after group shines, needs that light at bulb shield refraction could be passed through by a distance, so that existing LEDbulb lamp goes out Light efficiency, light luminance, colour rendering index, dazzle etc. are all to be improved.

Certainly, also there is part LEDbulb lamp product in such a way that conventional incandescent light bulb is the same, LED illuminating module is complete Be mounted in bulb shield entirely, but since LED illuminating module is far from radiator, can not effective solution LED lamp bead heat dissipation problem, Cause the service life of LEDbulb lamp not grown, causes the popularization of LEDbulb lamp to be extremely limited, or even in consumer Leave very poor public praise.

Summary of the invention

The energy saving type LED lamp that the purpose of the utility model is to provide a kind of color developing effects is good, light emitting angle is big.

For achieving the above object, the technical scheme adopted by the utility model is a kind of energy saving type LED lamp, including Sequentially connected bulb shield, cylindrical radiator and lamp cap；LED is set on the end face of the radiator and bulb shield opposite side Illuminating module；

The LED illuminating module includes LED substrate, LED lamp bead and total reflection pipe；The plate face and heat dissipation of the LED substrate The end face of body is affixed, and LED lamp bead is arranged in the one side of the LED substrate towards bulb shield；One end of the total reflection pipe and LED light Pearl is opposite and the light inlet injected for light is arranged, and the other end protrudes into inside bulb shield, be totally reflected on the tube body of pipe be arranged it is several The light-emitting window projected for light.

Preferably, LED lamp bead is provided in the LED substrate is further fixedly arranged on install housing, the installation on one side The relief hole matched with total reflection pipe is set on housing, and the position of the relief hole and total reflection pipe are opposite；Relief hole it is interior Rubber ring set is set on wall, and the total reflection pipe is clamped in relief hole by rubber ring set.

Preferably, the LED lamp bead and total reflection pipe are uniformly arranged multiple groups along the axis of bulb shield, and more are totally reflected pipe Upper end is in the divergent shape bent towards bulb shield inner wall direction；The light-emitting window is distributed in the side being totally reflected pipe outwardly and projecting end End face on.

Preferably, the total reflection pipe includes the outer tube made of memorial alloy, and the inside of the outer tube is filled with transparent Plastic core, is arranged through-hole on the tube body of the outer tube, and the transparent plastic core position opposite with through-hole is arranged notch, it is described go out Optical port is collectively formed by through-hole and notch.

Preferably, reflectance coating is set on the inner wall of the outer tube.

Preferably, the radiator connect the ring that setting is matched with bulb shield open end on the end face of one end with bulb shield The groove of shape, the open end of the bulb shield are caught in groove and Nian Jie with radiator by sealant.

Preferably, connect with bulb shield one section of the radiator is in a circular table shape, and one section connect with lamp cap is cylindrical； One section of round table-like direction along separate bulb shield becomes larger, and radiating fin is arranged in outer surface；It is described cylindric One section of outer diameter is matched with the internal diameter of lamp cap, and is connect with cap screw thread.

Preferably, the radiating fin along the round table-like one section of side of radiator slope aspect extend, adjacent two radiating fin it Between constitute convection channel.

Preferably, driving power, the axially disposed threading hole of radiator, the driving electricity are set inside the lamp cap Source is connect by the electric wire being located in threading hole with LED illuminating module electric wire.

Preferably, the lamp cap is screw socket.

The beneficial effects of the utility model embody a concentrated reflection of:

1, when in use, LED lamp bead injects light into total reflection pipe, and total reflection pipe is recycled to import light into bulb shield Portion, last light are projected by light-emitting window.Since the utility model luminous position is located in the middle part of bulb shield, and is no longer confined to light bulb Cover opening one end.Therefore, the utility model light emitting angle in the identical situation of LED lamp bead specification is bigger, and light efficiency is higher, more Energy conservation and environmental protection.The designs of multiple light-emitting windows reduces the generation of dazzle but also illumination is more uniform.And due to light-emitting window More close to bulb shield, thus color developing effect is more preferable, light luminance more preferably.

2, since LED lamp bead and LED substrate are close to the setting of radiator, light efficiency, light emitting angle had both been ensure that, in turn ensured Heat dissipation effect has longer service life.

3, the utility model structure is simple, low manufacture cost, is very suitable to be replaced traditional incandescent lamp, have wide The wealthy market space.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram before the utility model assembly；

Fig. 3 is the schematic diagram of internal structure of the utility model；

Fig. 4 is the structural schematic diagram of the total reflection of structure shown in Fig. 3 pipe in one of the states；

Fig. 5 is the portion A enlarged drawing in Fig. 3；

Fig. 6 is the portion B enlarged drawing in Fig. 4.

Specific embodiment

A kind of energy saving type LED lamp in conjunction with shown in Fig. 1-6, including sequentially connected bulb shield 1,2 and of cylindrical radiator Lamp cap 3, the bulb shield 1 use bulb lamp cover, and the radiator 2 is made of aluminium alloy, and the lamp cap 3 uses screw socket Or mouth hanging lamp cap generally selects screw socket for the ease of installation.On the end face of the radiator 2 and 1 opposite side of bulb shield LED illuminating module is set.As shown in Figures 3 and 4, the bulb shield 1 is located at the top of radiator 2, that is, radiator 2 upward One end end face on be arranged LED illuminating module.Conversely, when bulb shield 1 is located below, that is, the end face of one end is set downward Set LED illuminating module.

The LED illuminating module include LED substrate 4, LED lamp bead 5 and total reflection pipe 6, the LED substrate namely for Drive the circuit substrate of LED lamp bead 5.The plate face of the LED substrate 4 and the end face of radiator 2 are affixed, in order to guarantee the steady of connection Qualitative and heat transfer stability, it is Nian Jie by heat conductive silica gel between usual LED substrate 4 and radiator 2.As shown in figure 5, described LED lamp bead 5 is arranged in the one side of LED substrate 4 towards bulb shield 1.It is described total reflection pipe 6 be used for by LED lamp bead 5 issue cross line into The substantially loss-free conduction of row, like the effect of optical fiber.The main body of pipe 6 is totally reflected usually by transparent plastic, glass, quartz etc. It is made, light is conducted using the total reflection principle of light.

One end of total reflection pipe is opposite with LED lamp bead 5 and the light inlet injected for light is arranged, and the other end protrudes into bulb shield Inside 1, it is totally reflected on the tube body of pipe 6 and several light-emitting windows projected for light is set.As shown in Figure 3, that is to say, that total reflection pipe Light inlet is arranged in 6 lower end, and the light inlet is corresponding with LED lamp bead 5, for collecting the light of the sending of LED lamp bead 5.Total reflection The upper end of pipe 6 is protruded into inside bulb shield 1, and in the upper setting light-emitting window of one section protruded into.Part can be all-trans by each light-emitting window The light export total reflection pipe 6 propagated in pipe 6 is penetrated, light-emitting window is usually exactly the notch being arranged in total reflection 6 main body of pipe, is utilized Light is exported total reflection pipe 6 by the refraction of the light of indentation, there.

When in use, LED lamp bead 5 injects light into total reflection pipe 6, and total reflection pipe 6 is recycled to import light into bulb shield 1 Portion, last light are projected by light-emitting window.Since the utility model luminous position is located at 1 middle part of bulb shield, and is no longer confined to light bulb Cover 1 open at one end.Therefore, the utility model light emitting angle in the identical situation of 5 specification of LED lamp bead is bigger, and light efficiency is higher, more The energy conservation and environmental protection added.The designs of multiple light-emitting windows reduces the generation of dazzle but also illumination is more uniform.And due to going out light Mouth more close to bulb shield 1, therefore color developing effect is more preferable, light luminance more preferably.Simultaneously as LED lamp bead 5 and LED substrate 4 It is close to the setting of radiator 2, had both ensure that light efficiency, light emitting angle, and in turn ensured heat dissipation effect, there is longer service life. The problems such as solving weak heat-dissipating in the prior art and small light emitting angle simultaneously.In addition, the utility model structure is simple, cost of manufacture It is low, it is very suitable to be replaced traditional incandescent lamp, has a vast market space.

For the ease of being totally reflected the installation of pipe 6, better way is to be provided with the one of LED lamp bead 5 in the LED substrate 4 Face, as shown in figure 5, the upper surface of namely LED substrate 4 is further fixedly arranged on install housing 7, install housing 7 generally also with LED Substrate 4 is bonded.Be arranged in the install housing 7 and be totally reflected the relief hole that matches of pipe 6, the position of the relief hole be all-trans It is opposite to penetrate pipe 6, that is to say, that the corresponding total reflection pipe 6 of a relief hole, every total reflection pipe 6 have one it is supplied to pass through Relief hole.Rubber ring set 8 is set on the inner wall of relief hole, and the total reflection pipe 6 is clamped in relief hole by rubber ring set 8. In this way, assembling when, only need to will total reflection pipe 6 be inserted into relief hole in, make its end tightly be resisted against LED lamp bead 5 shine On face.During passing through relief hole, total reflection pipe 6 squeezes rubber ring set 8, so that it is connected to relief hole It is interior.Structure is simple and convenient to operate.

The quantity of the LED lamp bead 5 of the utility model can only setting one, when the quantity of LED lamp bead 5 only one when, entirely Reflection tube 6 is correspondingly arranged one, at this point, the light-emitting window on total reflection pipe 6 is distributed generally uniformly in circumferential surface and the end of total reflection pipe 6 On face.In order to make light-emitting window more close to bulb shield 1, curved and structure can be also fabricated to by being totally reflected pipe 6, and light-emitting window is set Set the crooked position at it closer to bulb shield 1.Certainly, the LED lamp bead 5 of the utility model also can be set multiple, that is, Say that LED lamp bead 5 and total reflection pipe 6 are correspondingly arranged multiple groups.The LED lamp bead 5 and total reflection pipe 6 are uniform along the axis of bulb shield 1 Setting is provided with 4 groups of LED lamp beads 5 and total reflection pipe 6 as shown in Figures 3 and 4.Due to being to cut open relation of plane, 3 are only shown in figure It is totally reflected pipe 6 and 3 LED lamp bead 5, LED lamp bead 5 and total reflection pipe 6 are uniformly distributed around the axis of the utility model totality. And the upper end of more total reflection pipes 6 is in the divergent shape bent towards 1 inner wall direction of bulb shield, it thus can be more close to bulb shield 1, to further increase color developing effect and light luminance, in this case, the light-emitting window is distributed in total reflection pipe 6 outwardly Side and projecting end end face on, such as Fig. 3 that is, the light-emitting window of total reflection pipe 6 for being located at left side is located on the left of it On circumferential surface and on the end face at top, it is located on the circumferential surface on the right side of it positioned at the light-emitting window of the total reflection pipe 6 on right side and the end at top On face, the light-emitting window for being located in the middle total reflection pipe 6 is located on the circumferential surface of its behind and on the end face at top.

Since more total reflection pipes 6 are in divergent shape, and the opening size of bulb shield 1 is smaller, especially in total reflection pipe 6 When quantity is more, for the ease of being totally reflected the installation of pipe 6, better way is.The total reflection pipe 6 includes by memorial alloy system At outer tube 9, the inside of the outer tube 9 is filled with transparent plastic core 10.In order to further increase the fully reflective of total reflection pipe 6 Can, better way, which can be, is arranged reflectance coating on the inner wall of the outer tube 9.Through-hole is set on the tube body of the outer tube 9 11, notch 12 is arranged in the transparent plastic core 10 position opposite with through-hole 11, and the light-emitting window is total to by through-hole 11 and notch 12 With composition.Outer tube 9 made of memorial alloy is being pacified in the state of top bending in low temperature in vertical state at room temperature When dress, outer tube 9 is connect under low-temperature condition with LED substrate 4, outer tube 9 is in vertical state at this time, after being installed in place, As temperature is restored, outer tube 9 starts to bend, and more total reflection pipes 6 show the form of divergent shape.In this way, it installs Enhanced convenience is quick, is especially suitable for the opening of bulb shield 1 reflection tube 6 more small and comprehensive and bends more and larger situation, improves The efficiency of production and assembly.

The bulb shield 1 of the utility model is typically directly Nian Jie with the upper surface of radiator 2, but be open due to bulb shield 1 Edge and radiator 2 can bond area it is smaller.In order to improve the reliability of bonding, while ensuring that the position of bulb shield 1 is more advised It is whole.The ring matched with 1 open end of bulb shield can also be set on the end face that the radiator 2 connect one end with bulb shield 1 The groove of shape, the open end of the bulb shield 1 are caught in groove and Nian Jie with radiator 2 by sealant.So, groove Side wall and the be open surfaces externally and internally at position of bulb shield 1 there is bigger contact area, it is more firm to be bonded, and groove can be right Bulb shield 1 is limited, and is kept the error of 1 installation site of bulb shield minimum, is improved the quality of product.

For the biggish light bulb of some power, in order to further improve the heat dissipation performance of the utility model, while making to radiate Body 2 and the connection of lamp cap 3 are more stable.Better way is that connect with bulb shield 1 one section of the radiator 2 is in a circular table shape, with Lamp cap 3 connect one section it is cylindrical, cylindric one section of the outer diameter is matched with the internal diameter of lamp cap 3, and with 3 screw thread of lamp cap Connection.Described round table-like one section becomes larger along the direction far from bulb shield 1, as shown in Figure 1, the bulb shield 1 is upper, That is the upper end of radiator 2 from top to bottom becomes larger, and radiating fin 13 is set in the outer surface of this section.The heat radiating fin The specific structure of piece 13 is more, such as the radiating fin 13 can be the a-circle-by-a-circle annular being looped around on radiator 2 Fin, the spiral helicine fin etc. being looped around on radiator 2.Certainly, in order to improve the heat dissipation performance of the utility model, preferably Way is that slope aspect of the radiating fin 13 along 2 round table-like one sections of sides of radiator extends, structure between adjacent two radiating fin 13 At convection channel, convection channel can promote the quick convection current of air generation for carrying out heat exchange in channel with radiator 2, to mention The high radiating rate of radiator 2.

In order to optimize the structure of the utility model, the driving power 14 of the utility model is typically directly arranged in lamp cap 3, Inside the namely described lamp cap 3 it is cavity and driving power 14 is directly set.The axially disposed threading hole 15 of the radiator 2, The driving power 14 is connect by the electric wire being located in threading hole 15 with LED illuminating module electric wire, the power supply of LED illuminating module It is supplied by driving power 14.

Claims (10)

1. a kind of energy saving type LED lamp, including sequentially connected bulb shield (1), cylindrical radiator (2) and lamp cap (3)；It is described to dissipate LED illuminating module is set on the end face of hot body (2) and bulb shield (1) opposite side；

It is characterized by: the LED illuminating module includes LED substrate (4), LED lamp bead (5) and total reflection pipe (6)；The LED The plate face of substrate (4) and the end face of radiator (2) are affixed, and LED light is arranged in the one side of the LED substrate (4) towards bulb shield (1) Pearl (5)；One end and LED lamp bead (5) of the total reflection pipe (6) are opposite and the light inlet injected for light is arranged, and the other end is stretched Enter bulb shield (1) inside, several light-emitting windows projected for light are set on the tube body of total reflection pipe (6).

2. energy saving type LED lamp according to claim 1, it is characterised in that: be provided with LED lamp bead on the LED substrate (4) (5) be further fixedly arranged on one side install housing (7), is arranged on the install housing (7) and allows with what total reflection pipe (6) matched Position hole, the position of the relief hole and total reflection pipe (6) are opposite；Rubber ring set (8) are set on the inner wall of relief hole, it is described to be all-trans Pipe (6) are penetrated to be clamped in relief hole by rubber ring set (8).

3. energy saving type LED lamp according to claim 2, it is characterised in that: the LED lamp bead (5) and total reflection pipe (6) edge The axis of bulb shield (1) is uniformly arranged multiple groups, and the upper end of more total reflection pipes (6) is in bend towards bulb shield (1) inner wall direction Divergent shape；The light-emitting window is distributed on the end face of the side and projecting end that are totally reflected pipe (6) outwardly.

4. energy saving type LED lamp according to claim 3, it is characterised in that: the total reflection pipe (6) includes by memorial alloy The inside of manufactured outer tube (9), the outer tube (9) is filled with transparent plastic core (10), and setting is logical on the tube body of the outer tube (9) Notch (12) are arranged in hole (11), the transparent plastic core (10) position opposite with through-hole (11), and the light-emitting window is by through-hole (11) it is collectively formed with notch (12).

5. energy saving type LED lamp according to claim 4, it is characterised in that: reflection is arranged on the inner wall of the outer tube (9) Film.

6. energy saving type LED lamp according to claim 5, it is characterised in that: the radiator (2) connect with bulb shield (1) The groove for the annular that setting is matched with bulb shield (1) open end on the end face of one end, the open end of the bulb shield (1) is caught in It is in groove and Nian Jie with radiator (2) by sealant.

7. energy saving type LED lamp according to claim 6, it is characterised in that: the radiator (2) connect with bulb shield (1) One section it is in a circular table shape, one section connect with lamp cap (3) is cylindrical；Described round table-like one section along far from bulb shield (1) Direction becomes larger, and radiating fin (13) are arranged in outer surface；The internal diameter phase of cylindric one section of the outer diameter and lamp cap (3) Cooperation, and be threadedly coupled with lamp cap (3).

8. energy saving type LED lamp according to claim 7, it is characterised in that: the radiating fin (13) is along radiator (2) circle The slope aspect of one section of side of mesa-shaped extends, and constitutes convection channel between adjacent two radiating fin (13).

9. energy saving type LED lamp according to claim 8, it is characterised in that: driving power is arranged inside the lamp cap (3) (14), the axially disposed threading hole of the radiator (2) (15), the driving power (14) is by being located in threading hole (15) Electric wire is connect with LED illuminating module electric wire.

10. energy saving type LED lamp according to claim 9, it is characterised in that: the lamp cap (3) is screw socket (3).