CN201475698U

CN201475698U - Improved LED fluorescent lamp

Info

Publication number: CN201475698U
Application number: CN2009201590265U
Authority: CN
Inventors: 郑行道
Original assignee: DIWEN ENTERPRISE Co Ltd
Current assignee: DIWEN ENTERPRISE Co Ltd
Priority date: 2009-06-18
Filing date: 2009-06-18
Publication date: 2010-05-19
Anticipated expiration: 2019-06-18

Abstract

The utility model provides an improved LED fluorescent lamp which is characterized in that an LED module and a power supply conversion module are arranged in a tubular lamp shade; the power supply conversion module can convert alternating current into direct current for the working power supply of the LED module; a heat radiation baseplate is arranged at the top surface of a circuit board of the LED module; a plurality of LEDs are arranged on the circuit board at intervals; a light distribution cup is arranged at the periphery of each LED in a surrounding manner; the light distribution cups can respectively centralize the corresponding LED light so as to improve the lamp utilization coefficient of the LED fluorescent lamp by 15 percent to 20 percent; and besides, a current conversion module is also assembled in the lamp shade, so when the LED fluorescent lamp can not be turned on, all that is needed is to replace the whole lamp with a new LED fluorescent lamp without the trouble of judging that which component is damaged. Therefore, the LED fluorescent lamp can be repaired conveniently.

Description

Modified form LED fluorescent lamp

Technical field

The utility model is about a kind of LED fluorescent lamp, refers to a kind of modified form LED fluorescent lamp of being convenient to replace and can improve the light fixture usage factor especially.

Background technology

In recent years, LED (Light Emitting Diode, light emitting diode) has advantages such as high brightness, power saving, environmental protection, long service life with it, and is widely used in the various lightings.

Shown in several M354695 number " LED fluorescent lamp " novel patent case of TaiWan, China certificate number, be to be applied to replace LED on the purposes of traditional fluorescent lamp, this LED fluorescent lamp is provided with a heat-radiating substrate in the end face of a circuit board, the bottom surface of circuit board then is provided with a plurality of LED, be electrically connected with a plurality of electrode pairs on this circuit board in addition, then with an elongated tubular lampshade cover this circuit board and light emitting diode and with this heat-radiating substrate binding after, the two ends of being located at lampshade with the insulation sleeve pipe close are fixed again, and make electrode pair pass insulating sleeve, and then be connected with external power source.

The fluorescent lamp of above-mentioned prior art is to make with the specification of traditional fluorescent lamp, and is able to direct replacement.Only, above-mentioned LED fluorescent lamp does not design the structure that can concentrate light, so light can can't effectively be brought into play the illumination efficiency of this LED towards scattering on every side;

In addition, because under general situation, LED can only be with DC powered, so, just as the traditional fluorescent lamp starter of need arranging in pairs or groups could use, above-mentioned LED fluorescent lamp also needs an external current converter, utilize this current converter that alternating current is converted to direct current, so that each LED to be provided required power supply, yet, in the time of can't starting smoothly when this LED fluorescent lamp fault, and have no way of learning really to be LED, circuit board also or that part in the middle of the current converter etc. damage, so the user just needs to prepare simultaneously a LED fluorescent lamp and a current converter is tested, and could solve the problem that the LED fluorescent lamp can't be opened really, and the inconvenience in its maintenance is arranged.

The utility model content

Because aforementioned the deficiencies in the prior art, the utility model provides a kind of modified form LED fluorescent lamp, wishes that design thus reaches light fixture usage factor that improves the LED fluorescent lamp and the purpose of being convenient to keep in repair displacement.

In order to reach above-mentioned creation purpose, the technological means that the utility model utilized is that a modified form LED fluorescent lamp is included:

One led module, it includes a circuit board, a plurality of LED and a heat-radiating substrate, and this LED is the bottom surface that this circuit board is located in the compartment of terrain, and this heat-radiating substrate is fixedly arranged on this board top surface, and contacts with this circuit board;

A plurality of luminous intensity distribution cups, it encircles respectively establishes each LED and is connected on this circuit board;

One power transfer module, its with led module between be electrically connected mutually, and alternating current can be converted to direct current;

One lampshade is in a tubular form, and wherein ccontaining for aforementioned led module.

Wherein, form a plurality of locating holes on the circuit board of aforementioned led module, projection forms at least one embedding post on the another side of the base plate of aforementioned luminous intensity distribution cup, and this embedding post correspondence wears in the locating hole that is fixed in this circuit board.

Wherein, the end of the embedding post of aforementioned luminous intensity distribution cup is formed with an overhead kick, and this overhead kick is buckled in the end face of this circuit board.

Wherein, locating hole on the circuit board of aforementioned led module be in twos one group be provided with at interval, this LED is located between on the same group two relative locating holes, and aforementioned each luminous intensity distribution cup has two embedding posts, and this embedding post wears respectively and is fixed on this circuit board one and forms in the two right locating holes.

Wherein this lampshade is the semicanal body of the c-shaped shape in a cross section, and links fixing with this heat-radiating substrate.

It further includes two lamp holders, this lamp holder is sheathed on the two ends of lampshade respectively, wherein a lamp holder is sheathed on the outboard end of heat-radiating substrate simultaneously, another lamp holder is sheathed on the outboard end of power supply lid simultaneously, and be electrically connected with this power transfer module, further extend on the outer end of lamp holder and be provided with two electrode pairs.

It further includes power supply lid, and this power supply is covered on the end face of this power transfer module, and adjacent setting with this heat-radiating substrate.

Wherein, on the two relative long sides of the heat-radiating substrate of aforementioned led module respectively indent form a catching groove, form at least one snapping portion on the two relative long sides of aforementioned power source lid respectively, be formed with a slide rail respectively on the two long relatively limits of aforementioned lampshade, corresponding chimeric the joining of snapping portion that this slide rail and catching groove and this power supply of this heat-radiating substrate cover.

Wherein, the heat-radiating substrate of aforementioned led module corresponding on the bottom surface of this circuit board near two relative long side places respectively indent form a groove.

Wherein, the aforementioned power source lid has two spacers corresponding to interval projection on the end of this heat-radiating substrate, and this spacer is arranged in respectively between the groove of this heat-radiating substrate.

Advantage of the present utility model is that each luminous intensity distribution cup can effectively improve the light fixture usage factor 15%-20% of this LED fluorescent lamp in order to concentrate the light of corresponding LED respectively; Again,,, put in order the group replacement, reach the purpose of being convenient to keep in repair as long as prepare a new LED fluorescent lamp so when the LED fluorescent lamp can't be opened, need not take a lot of trouble to determine the end was which partly damages because of this current conversion module is to be assembled in the lampshade in the lump.

Description of drawings

For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited, wherein:

Fig. 1 is a stereo appearance figure of the present utility model.

The part assembly three-dimensional exploded view that Fig. 2 amplifies for the utility model.

The part assembly profile that Fig. 3 looks closely for the utility model.

Fig. 4 is the stereo appearance figure of another angle of the utility model.

Fig. 5 is the stereo appearance figure of another embodiment of the utility model.

The specific embodiment

Referring to Figure 1 and Figure 2, modified form LED (Light EmittingDiode of the present utility model, light emitting diode) fluorescent lamp includes a led module 10, a plurality of luminous intensity distribution cup 20, a power transfer module 30, power supply lid 40, one lampshade 50 and two lamp holders 60, wherein:

Led module 10 includes a circuit board 11, a plurality of LED 12 and a heat-radiating substrate 13, this circuit board 11 is provided with circuit and forms a plurality of locating holes 111, in preferred embodiment of the present utility model, this locating hole 111 be in twos one group be provided with at interval, this LED 12 is bottom surfaces that this circuit board 11 is located in the compartment of terrain, and be positioned at 111 of two relative locating holes on the same group, and be connected with line electricity on this circuit board 11, this heat-radiating substrate 13 is strip, it is to be fixedly arranged on this circuit board 11 end faces, and contact with this circuit board 11, and can be in order to arrange the heat that this LED 12 that looses produces, this heat-radiating substrate 13 corresponding on the bottom surface of this circuit board 11 near two relative long side places respectively indent form a groove 131, other on this two long side respectively indent form a catching groove 132;

Further referring to shown in Figure 3, luminous intensity distribution cup 20 encircles respectively to be established each LED 12 and is connected on this circuit board 11, each luminous intensity distribution cup 20 has a base plate 21, one reflecting wall 22 and at least one embedding post 23, form a perforation 211 on this base plate 21, and can be stretched on 211 of this perforations for this LED 12, this reflecting wall 22 is around taking shape in this base plate 21 peripheries, and towards the bending projection of the wherein side of this base plate 21, this reflecting wall 22 can be in order to concentrate the light of this LED 12, effectively improve the illumination 15%-20% of this LED fluorescent lamp, these embedding post 23 projections take shape on the another side of this base plate 21, can corresponding wear in the locating hole 111 that is fixed in this circuit board 11, and further be stretched on 131 of the grooves of aforementioned heat-radiating substrate 13, the end of this embedding post 23 can be formed with an overhead kick 231, be buckled in the end face of this circuit board 11 by this overhead kick 231, and then this luminous intensity distribution cup 20 is connected on this circuit board 11, in preferred embodiment of the present utility model, each luminous intensity distribution cup 20 has two embedding posts 23 and is fixed on this circuit board 11 one and forms in the two right locating holes 111 to wear respectively;

Power transfer module 30 is electrically connected mutually with 10 of led modules, and it is to be located at this led module 10 ends, and this power transfer module 30 can be converted to direct current with alternating current, and then each LED 12 is provided required power supply;

Cooperation is referring to shown in Figure 4, power supply lid 40 is covered on the end face of this power transfer module 30, and with these heat-radiating substrate 13 adjacent settings, form at least one snapping portion 41 on the two relative long sides of this power supply lid 40 respectively, in addition in this power supply lid 40 corresponding to the end of this heat-radiating substrate 13 at interval projection two spacers 42 are arranged, this spacer 42 can be arranged in 131 of the grooves of this heat-radiating substrate 13 respectively, to locate the relative position of the two;

Lampshade 50 is semicanal bodies of the c-shaped shape in cross section, its be corresponding cover this power transfer module 30 and be covered in this led module 10 be provided with on the side of LED 12, and link fixing with this heat-radiating substrate 13 and power supply lid 40, be formed with a slide rail 51 respectively on the two long relatively limits of this lampshade 50, the catching groove 132 of this slide rail 51 and this heat-radiating substrate 13 and this power supply cover for 40 41 corresponding chimeric joining of snapping portion;

Lamp holder 60 is sheathed on the two ends of lampshade 50 respectively, wherein a lamp holder 60 is sheathed on the outboard end of heat-radiating substrate 13 simultaneously, 60 in another lamp holder is sheathed on the outboard end of power supply lid 40 simultaneously, and be electrically connected with this power transfer module 30, the further extension is provided with two electrode pairs 61 on the outer end of lamp holder 60, and this electrode pair 61 can be connected with an external power source.

Further referring to another embodiment of the present utility model shown in Figure 5, the power transfer module 30 that it mainly includes the led module 10 of two mutual adjacency and is located at these led module 10 two ends respectively, make led module 10 and power transfer module 30 be placed in the lampshade 50 again, be sheathed on the two ends of this lampshade 50 in addition with two lamp holders 60, and this power transfer module 30 is joined respectively with corresponding lamp holder 60, so that be electrically connected with the daylight lamp holder formation, that is, the utility model also can utilize the led module 10 of two groups of same dimensions and the combination of power transfer module 30, collocation one lampshade 50 with the size that matches is to obtain the LED fluorescent lamp of different size length.

As mentioned above, modified form LED fluorescent lamp of the present utility model is except being concentrated the light of corresponding LED by each luminous intensity distribution cup respectively, reach outside the order of the illumination that improves this LED fluorescent lamp, because of this current conversion module is to be assembled in the lump in the lampshade, when so the LED fluorescent lamp can't be opened, need not take a lot of trouble to determine the end is which partly damages, and puts in order the group replacement as long as prepare a new LED fluorescent lamp, further reaches the purpose of being convenient to keep in repair.

Claims

1. modified form LED fluorescent lamp, it includes a led module, a plurality of luminous intensity distribution cup, a power transfer module and a lampshade, it is characterized in that, wherein:

Led module includes a circuit board, a plurality of LED and a heat-radiating substrate, this circuit board is provided with circuit, this LED is the bottom surface that this circuit board is located in the compartment of terrain, and be connected with line electricity on this circuit board, this heat-radiating substrate is strip, it is fixedly arranged on this board top surface, and contacts with this circuit board;

The luminous intensity distribution cup encircles respectively to be established each LED and is connected on this circuit board, each luminous intensity distribution cup has a base plate and a reflecting wall, forms a perforation on this base plate, and can be stretched between this perforation for this LED, this reflecting wall is around taking shape in this base plate periphery, and towards the wherein side bending projection of this base plate;

Be electrically connected mutually between power transfer module and led module, it is located at this led module end, and this power transfer module can be converted to direct current with alternating current;

The lampshade correspondence covers this power transfer module and is covered in this led module and is provided with on the side of LED.

2. modified form LED fluorescent lamp as claimed in claim 1, it is characterized in that, wherein, form a plurality of locating holes on the circuit board of aforementioned led module, projection forms at least one embedding post on the another side of the base plate of aforementioned luminous intensity distribution cup, and this embedding post correspondence wears in the locating hole that is fixed in this circuit board.

3. modified form LED fluorescent lamp as claimed in claim 2 is characterized in that, wherein, the end of the embedding post of aforementioned luminous intensity distribution cup is formed with an overhead kick, and this overhead kick is buckled in the end face of this circuit board.

4. modified form LED fluorescent lamp as claimed in claim 2, it is characterized in that, wherein, locating hole on the circuit board of aforementioned led module be in twos one group be provided with at interval, this LED is located between on the same group two relative locating holes, aforementioned each luminous intensity distribution cup has two embedding posts, and this embedding post wears respectively and is fixed on this circuit board one and forms in the two right locating holes.

5. as each described modified form LED fluorescent lamp of claim 1 to 4, it is characterized in that wherein this lampshade is the semicanal body of the c-shaped shape in a cross section, and link fixing with this heat-radiating substrate.

6. as each described modified form LED fluorescent lamp of claim 1 to 4, it is characterized in that, it further includes two lamp holders, this lamp holder is sheathed on the two ends of lampshade respectively, wherein a lamp holder is sheathed on the outboard end of heat-radiating substrate simultaneously, another lamp holder is sheathed on the outboard end of power supply lid simultaneously, and is electrically connected with this power transfer module, further extends on the outer end of lamp holder to be provided with two electrode pairs.

7. as each described modified form LED fluorescent lamp of claim 1 to 4, it is characterized in that it further includes power supply lid, this power supply is covered on the end face of this power transfer module, and adjacent setting with this heat-radiating substrate.

8. modified form LED fluorescent lamp as claimed in claim 6, it is characterized in that, wherein, on the two relative long sides of the heat-radiating substrate of aforementioned led module respectively indent form a catching groove, form at least one snapping portion on the two relative long sides of aforementioned power source lid respectively, be formed with a slide rail respectively on the two long relatively limits of aforementioned lampshade, corresponding chimeric the joining of snapping portion that this slide rail and catching groove and this power supply of this heat-radiating substrate cover.

9. modified form LED fluorescent lamp as claimed in claim 8 is characterized in that, wherein, the heat-radiating substrate of aforementioned led module corresponding on the bottom surface of this circuit board near two relative long side places respectively indent form a groove.

10. modified form LED fluorescent lamp as claimed in claim 9 is characterized in that, wherein, the aforementioned power source lid has two spacers corresponding to interval projection on the end of this heat-radiating substrate, and this spacer is arranged in respectively between the groove of this heat-radiating substrate.