CN202493949U

CN202493949U - Led lamp tube

Info

Publication number: CN202493949U
Application number: CN201220112679XU
Authority: CN
Inventors: 黄焕翔; 邵展弘
Original assignee: Chicony Power Technology Co Ltd
Current assignee: Chicony Power Technology Co Ltd
Priority date: 2012-03-23
Filing date: 2012-03-23
Publication date: 2012-10-17
Anticipated expiration: 2022-03-23

Abstract

The utility model relates to an LED lamp tube which comprises a hollow light transmission pipe body, a heat radiating base arranged in the pipe body, a light emitting assembly, a control circuit assembly, a conducting element and a conductive end cover used for covering the pipe body, wherein the light emitting assembly and the control circuit assembly are respectively arranged on two surfaces opposite to the heat radiating base, and the conducting element penetrates through the heat radiating base so as to be electrically connected with the light emitting assembly and the control circuit assembly, so that the welding numbers of times are reduced, and the LED lamp tube is easily assembled.

Description

The LED fluorescent tube

Technical field

The utility model relates to a kind of lighting, relates in particular to a kind of LED fluorescent tube.

Background technology

Along with making rapid progress of science and technology, (Light Emitting Diode LED), utilizes made its power consumption of lamp tube type light fixture of LED low and the life-span is long, so replace traditional fluorescent tube formula light fixture gradually to have developed many kinds of light emitting diodes.Existing lamp tube type LED light fixture mainly comprises: a fluorescent tube, a heat sink, a circuit board, a LED light-emitting component, and two conduction end caps.Heat sink is inserted in the fluorescent tube, and circuit board amplexiforms on heat sink, and light-emitting component electrically connects circuit board.

During assembling, must earlier the LED light-emitting component electrically be welded on the circuit board, the assembly with LED light-emitting component and circuit board is fixed on the heat sink again; Then, two leads electrically are soldered to circuit board and two conduction end caps respectively; At last, again with two conduction end caps respectively cover cap in the two ends of fluorescent tube and (for example: the civil power that is connected to lamp socket) be connected to an external power source.Configuration by this can be delivered on the LED light-emitting component through two conduction end caps, lead and circuit board from the electric power of external power source, so that the LED light-emitting component emits beam and reaches illuminating effect.Yet from the above, the assembling process of existing lamp tube type LED light fixture is comparatively loaded down with trivial details, needs welding step repeatedly, certainly will increase the time of assembling.

On the other hand, circuit board and LED light-emitting component are to utilize welding and affixed each other, if circuit board or LED light-emitting component damaging or during fault, then can't changing separately, and must change whole group light fixture wherein.So, concerning the consumer, increased the maintenance cost of light fixture beyond doubt, also do not met the design concept of environmental protection, improved necessity has been arranged really.

Therefore, how to solve the above problems a little, promptly become the improved target of the utility model.

The utility model content

One purpose of the utility model is to provide a kind of LED fluorescent tube, and it is easy to assembly, and replacement circuit plate or LED light-emitting component separately.

In order to reach above-mentioned purpose, the utility model provides a kind of LED fluorescent tube, comprising:

One hollow light-transmitting tube body;

One cooling base, insert in this light-transmitting tube body and with the mutual build-in of the inwall of this light-transmitting tube body;

One luminescence component is arranged at a surface of this cooling base;

One control circuit assembly, another surface that is arranged at this cooling base is to separate with this luminescence component;

One connects element, wears this cooling base to electrically connect this luminescence component and this control circuit assembly; And

The pair of conductive end cap, cover cap is in the two ends of this fluorescent tube and electrically connect this control circuit assembly respectively.

Above-mentioned LED fluorescent tube, wherein, this light-transmitting tube body is that insulating materials is processed.

Above-mentioned LED fluorescent tube, wherein, the inwall of this light-transmitting tube body forms two fins in opposite directions, and the both side edges of this cooling base is provided with two grooves with the mutual build-in of this two fin.

Above-mentioned LED fluorescent tube; Wherein, The both sides of this cooling base bending forming down have flanging two times; A space that form to supply this luminescence component to put between these two times flangings, the both side edges of this cooling base bending forming up has flanging on two, and this forms a space that supplies this control circuit assembly to put between flanging on two.

Above-mentioned LED fluorescent tube, wherein, this luminescence component comprises a circuit board and electrically is laid in a plurality of LED on this circuit board, and this circuit board is arranged on this cooling base lower surface and is intercalated between these two times flangings.

Above-mentioned LED fluorescent tube, wherein, this control circuit assembly comprises a circuit substrate and electrically is laid at least one transformer on this circuit substrate, this circuit substrate is arranged on the upper surface of this cooling base and is intercalated in this on two between the flanging.

Above-mentioned LED fluorescent tube; Wherein, This connects element and has a body and vertical forming in two junctions at these body two ends, and this body is that insulating materials, this two junction are that metal material is processed, and an end of this circuit board is provided with two through holes; One end of this circuit substrate is provided with two perforation that should two through holes; This cooling base is being worn groove to should two through holes offering one with this biperforate position, and this body is placed in this and wears groove, and this two junction respectively down with insert this two through hole and this two perforation up.

Above-mentioned LED fluorescent tube; Wherein, this connects element is a plurality of conducting bolts that metal material is processed, and this circuit board is provided with two through holes; This heat-radiating substrate is provided with two through holes that should two through holes; Be connected with two projections on this circuit substrate, be provided with in each this projection a inner bolt hole that should through hole, this conducting bolt passes this through hole and this through hole and is locked in this inner bolt hole.

Above-mentioned LED fluorescent tube; Wherein, Each this conduction end cap has a lid, be arranged in two inserting terminals of this lid and be electrically connected to two leads of this two inserting terminal, and the other end of this two lead electrically is soldered to this circuit substrate of this control circuit assembly respectively.

Above-mentioned LED fluorescent tube, wherein, this lid is provided with two through holes, and two-screw inserts this two through hole from the outside and is locked in this on two in the flanging, so that this conducting end cover lock is fixed in this cooling base.

Compared to prior art, the utlity model has following effect:

Since the cooling base of the utility model is inserted in the fluorescent tube and with the mutual build-in of tube inner wall; Luminescence component and control circuit assembly are separately positioned on the two opposite surfaces of cooling base; Connect element and wear cooling base to electrically connect luminescence component and control circuit assembly; Therefore, need be not affixed each other between luminescence component and the control circuit assembly to weld, so reduce welding times.And parts such as light-transmitting tube body, cooling base, luminescence component and control circuit assembly all are to piece together the setting of prescription formula, so simple and convenient assembly.If damage parts also is easy to change, thus, concerning the consumer, can reduce maintenance cost, such design also meets the environmental protection notion.Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.

Description of drawings

The assembled perspective view of Fig. 1 the utility model;

The exploded perspective view of Fig. 2 the utility model;

The exploded perspective view of Fig. 3 the utility model, it shows cooling base, LED luminescence component, reaches the control circuit assembly;

The assembled sectional view of Fig. 4 the utility model;

Fig. 4 a is the partial enlarged drawing of Fig. 4;

The exploded perspective view of another embodiment of Fig. 5 the utility model;

The assembled sectional view of another embodiment of Fig. 6 the utility model.

Wherein, Reference numeral

1 LED fluorescent tube

10 light-transmitting tube body

11 fins

20 cooling bases

21 grooves

22 times flangings

Flanging on 23

231 external screw threads

24 wear groove

24 ' through hole

30 luminescence components

31 circuit boards

311 through holes

311 ' through hole

32 LED

40 control circuit assemblies

41 circuit substrates

411 perforation

411 ' projection

412 ' inner bolt hole

413 insulation sleeves

42 transformers

50 connect element

50 ' conducting bolt

51 bodies

52 junctions

60 conduction end caps

61 lids

611 through holes

62 inserting terminals

63 leads

64 screws

The specific embodiment

Detailed description of relevant the utility model and technology contents, with the conjunction with figs. explanation as follows, yet appended accompanying drawing is not to be used to limit to the utility model only as illustrative purposes.

Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of LED fluorescent tube 1, comprising: a hollow light-transmitting tube body 10, a cooling base 20, a luminescence component 30, a control circuit assembly 40, a plurality of element 50, and pair of conductive end cap 60 of connecting.

Light-transmitting tube body 10 is processed for the insulating materials with light-permeable characteristic, to have the protection against electric shock effect.The light-transmitting tube body 10 of the utility model is integrated pipe, possibly make us the danger of getting an electric shock accidentally to avoid existing semicircle fluorescent tube.The two ends of light-transmitting tube body 10 are open and communicate with its hollow, and the hollow of light-transmitting tube body 10 is used for cooling base 20, luminescence component 30, control circuit assembly 40 and connected element 50 and puts and establish.As can beappreciated from fig. 2, the inwall of light-transmitting tube body 10 forms two fins 11 in opposite directions.

With reference to figure 3; Cooling base 20 is the elongated rectangular shape shape and processes to produce good thermal conduction effect for metal material; The both side edges of cooling base 20 is provided with two grooves 21 with this two fin 11 mutual build-ins; Configuration by this, cooling base 20 can insert in the light-transmitting tube body 10 and with the fin 11 mutual build-ins of light-transmitting tube body 10 inwalls.

In addition, as shown in Figure 3, the both side edges of cooling base 20 has flanging 22 two times down and towards the lower surface bending forming of cooling base 20, forms a space that supplies this luminescence component 30 to put between these two times flangings 22.In like manner, the both side edges of cooling base 20 has flanging 23 on two up and towards the upper surface bending forming of cooling base 20, and this forms a space that supplies this control circuit assembly 40 to put between flanging 23 on two.

Luminescence component 30 is arranged at a surface of cooling base 20, and (also promptly: lower surface), more particularly, luminescence component 30 is arranged on the lower surface of cooling base 20 and is inserted between these two times flangings 22.In the present embodiment, luminescence component 30 comprises the lower surface that is arranged on cooling base 20 and is intercalated in the circuit board 31 between these two times flangings 22 and electrically is laid in a plurality of LED 32 on this circuit board 31; Certainly, the luminescence component 30 of the utility model also can form by a long circuit plate or by a plurality of circuit board serial connections, and forms so-called one " LED lamp bar ".

Control circuit assembly 40 is arranged at another surface of cooling base 20, and (also promptly: upper surface) separating with luminescence component 30, control circuit assembly 40 comprises the upper surface that is arranged on cooling base 20 and is inserted in this circuit substrate 41 between flanging 23 and electrically be laid at least one transformer 42 on this circuit substrate 41 on two.Certainly, the circuit substrate 41 of the utility model can be formed by a long circuit plate or a plurality of circuit board serial connection.One end of circuit substrate 41 electrically is welded with two leads 63, and these two leads 63 are electrically connected to the inserting terminal 62 of a conduction end cap 60 respectively.

What this will specify be; Because luminescence component 30 is to separate each other through cooling base 20 with control circuit assembly 40; And the mode that 40 taking and placing of control circuit assembly are put is inserted in the light-transmitting tube body 10, so control circuit assembly 40 can't influence the radiating effect of 20 pairs of luminescence components 30 of cooling base.

The purpose that connects element 50 is exactly the electrical welding that will reduce between luminescence component 30 and the control circuit assembly 40.Connect element 50 and wear cooling base 20 to electrically connect luminescence component 30 and control circuit assembly 40; More particularly; In the embodiment shown in fig. 3; Connect element 50 and have a body 51 and vertical forming in two junctions 52 at these body 51 two ends; Body 51 is processed for metal material for insulating materials, two junctions 52 has electric conductivity, and circuit board 31 1 ends of luminescence component 30 are provided with two through holes 311, and circuit substrate 41 1 ends of control circuit assembly 40 are provided with two perforation 411 that should two through holes 311; Cooling base 20 to should two the position of through holes 311 and these two perforation 411 offer one and wear groove 24; Cause shown in Fig. 4, Fig. 4 a, what the body 51 that connects element 50 can be placed in cooling base 20 wears groove 24, and junction 52 respectively down with two perforation 411 of two through holes 311 that insert luminescence component 30 up and control circuit assembly 40.Connect element 50 through setting, can accomplish luminescence component 30, cooling base 20 simultaneously, reach winding and electric connection between control circuit assembly 40 threes.

This to conduction end cap 60 respectively cover cap in the two ends of light-transmitting tube body 10 and electrically connect control circuit assembly 40; More particularly; As can beappreciated from fig. 4; Conduction end cap 60 has a lid 61, be arranged in two inserting terminals 62 of this lid 60 and be electrically connected to two leads 63 of this two inserting terminal 62, and the other end of this two lead 63 electrically is soldered to an end of control circuit assembly 40 respectively.

As can beappreciated from fig. 2, the lid 61 of conduction end cap 60 is provided with two through holes 611, two-screw 64 from the outside insert this two through hole 611 and be locked in cooling base 20 two in the flanging 23.In order to increase the locking intensity of screw 64, the inwall of last flanging 23 tapping in advance and be formed with external screw thread 231.

Through above-mentioned structure; Can find; Except the end of lead 63 away from inserting terminal 62 need electrically be soldered to the circuit substrate 41 of control circuit assembly 40; Remaining part all assembles removably, so the utility model reduces welding step, thereby increases property easy to assembly.Simultaneously, the replacing when yet helping damage parts need not put in order group LED fluorescent tube 1 and all change, and meets the environmental protection notion so can reduce the quantity of maintenance cost, reduction faulty part.

With reference to figure 5 and Fig. 6, it shows another embodiment of the utility model, and present embodiment is with the difference of previous embodiment: connect element make into two conducting bolts 50 ', but not conducting terminal.More particularly; The circuit board 31 of luminescence component 30 be provided with two through holes 311 '; Heat-radiating substrate 20 be provided with to should two through holes 311 ' two through holes 24 '; Be connected with on the circuit substrate 41 of control circuit assembly 40 two projections 411 ', each projection 411 ' in be provided with to should through hole 24 ' an inner bolt hole 412 '.The through hole 311 of conducting bolt 50 ' pass circuit board 31 from the below ', the through hole 24 of cooling base 20 ' and the projection 411 of circuit substrate 41 ', and be locked in inner bolt hole 412 ' in.Through be provided with conducting bolt 50 ', can accomplish simultaneously luminescence component 30, cooling base 20, and control circuit assembly 40 threes between winding and electric connection.In addition, also can in conducting bolt 50 ' on be equipped with the insulation sleeve 413 between cooling base 20 and circuit substrate 41.

Compared to prior art, the utlity model has following effect:

Since the cooling base 20 of the utility model is inserted in the light-transmitting tube body 10 and with the mutual build-in of light-transmitting tube body 10 inwalls; Luminescence component 30 and control circuit assembly 40 are separately positioned on the two opposite surfaces of cooling base 20; A plurality of element 50 or conducting bolts 50 ' wear cooling base 20 of connecting to electrically connect luminescence component 30 and control circuit assembly 40; Therefore, need be not affixed each other between luminescence component 30 and the control circuit assembly 40 to weld, so can reduce welding times.And parts such as light-transmitting tube body 10, cooling base 20, luminescence component 30 and control circuit assembly 40 all are to piece together the setting of prescription formula, so simple and convenient assembly.If damage parts also is easy to change, thus, concerning the consumer, can reduce maintenance cost, such design also meets the environmental protection notion.

Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1. a LED fluorescent tube is characterized in that, comprising:

One hollow light-transmitting tube body;

One luminescence component is arranged at a surface of this cooling base;

2. LED fluorescent tube according to claim 1 is characterized in that, this light-transmitting tube body is that insulating materials is processed.

3. LED fluorescent tube according to claim 1 is characterized in that, the inwall of this light-transmitting tube body forms two fins in opposite directions, and the both side edges of this cooling base is provided with two grooves with the mutual build-in of this two fin.

4. LED fluorescent tube according to claim 3; It is characterized in that; The both sides of this cooling base bending forming down have flanging two times; A space that form to supply this luminescence component to put between these two times flangings, the both side edges of this cooling base bending forming up has flanging on two, and this forms a space that supplies this control circuit assembly to put between flanging on two.

5. LED fluorescent tube according to claim 4 is characterized in that, this luminescence component comprises a circuit board and electrically is laid in a plurality of LED on this circuit board, and this circuit board is arranged on this cooling base lower surface and is intercalated between these two times flangings.

6. LED fluorescent tube according to claim 5; It is characterized in that; This control circuit assembly comprises a circuit substrate and electrically is laid at least one transformer on this circuit substrate, and this circuit substrate is arranged on the upper surface of this cooling base and is intercalated in this on two between the flanging.

7. LED fluorescent tube according to claim 6; It is characterized in that; This connects element and has a body and vertical forming in two junctions at these body two ends, and this body is that insulating materials, this two junction are that metal material is processed, and an end of this circuit board is provided with two through holes; One end of this circuit substrate is provided with two perforation that should two through holes; This cooling base is being worn groove to should two through holes offering one with this biperforate position, and this body is placed in this and wears groove, and this two junction respectively down with insert this two through hole and this two perforation up.

8. LED fluorescent tube according to claim 6; It is characterized in that this connects element is a plurality of conducting bolts that metal material is processed, this circuit board is provided with two through holes; This heat-radiating substrate is provided with two through holes that should two through holes; Be connected with two projections on this circuit substrate, be provided with in each this projection a inner bolt hole that should through hole, this conducting bolt passes this through hole and this through hole and is locked in this inner bolt hole.

9. according to claim 7 or 8 described LED fluorescent tubes; It is characterized in that; Each this conduction end cap has a lid, be arranged in two inserting terminals of this lid and be electrically connected to two leads of this two inserting terminal, and the other end of this two lead electrically is soldered to this circuit substrate of this control circuit assembly respectively.

10. LED fluorescent tube according to claim 9 is characterized in that this lid is provided with two through holes, and two-screw inserts this two through hole from the outside and is locked in this on two in the flanging, so that this conducting end cover lock is fixed in this cooling base.