CN203147402U

CN203147402U - LED lamp tube

Info

Publication number: CN203147402U
Application number: CN2013201270761U
Authority: CN
Inventors: 吴奎; 汪兴海; 谭杰超
Original assignee: GUANGZHOU TOPDAY ELECTRONICS TECHNOLOGY Co Ltd
Current assignee: GUANGZHOU TOPDAY ELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2013-03-19
Filing date: 2013-03-19
Publication date: 2013-08-21
Anticipated expiration: 2023-03-19

Abstract

The utility model relates to an LED lamp tube which comprises a light permeating cover, a heat dissipating shell, a lamp holders connected with two ends of the heat dissipating shell and a power module used for supplying power for the LED lamp tube. A substrate is arranged on the heat dissipating shell. An LED is arranged on the substrate. Two sides of the light permeating cover are respectively provided with an inclined-face body extending inwards. The inclined-face bodies are placed at two sides of the LED respectively and are of an opened shape. The included angle of the two inclined-face bodies is 140 degrees to 160 degrees. An outward clamping hook with a turning edge facing outwards is arranged on the end portion of each inclined-face body. Two sides of the heat dissipating shell are respectively provided with an inward clamping hook with a turning edge facing inwards. Each inward clamping hook is clamped with one outward clamping hook. According to the structure, light emitted by the LED is emitted directly through the light permeating cover, so that the light emitted by the LED is prevented from being blocked by the heat dissipating cover. Therefore, a dark band is eliminated and uniformity of the illumination of the LED lamp tube is improved.

Description

A kind of LED fluorescent tube

Technical field

The utility model relates to a kind of fluorescent tube, particularly a kind of LED fluorescent tube.

Background technology

LED(Light Emitting Diode) be the English abbreviation of light emitting diode, it can be converted into light with electricity, is a kind of solid-state semiconductor devices.Adopt LED as luminescent device in the LED fluorescent tube, compare with traditional fluorescent tube, the LED fluorescent tube has the luminous efficiency height, the life-span is long and the free of contamination characteristics of environmental protection.

Existing LED fluorescent tube comprises heat radiation shell and diffuser, heat radiation shell and diffuser are that exterior buckle type engages, it is diffuser parcel heat radiation shell, shell stops but the irradiates light that LED sends can be subjected to dispelling the heat, shell and diffuser fastening place generation blanking bar can cause dispelling the heat, influence the uniformity of LED fluorescent tube illumination, need for this reason a kind of can solution to the problems described above.

The utility model content

The utility model purpose is to provide a kind of can eliminate blanking bar, improves the LED fluorescent tube of illumination uniformity.

Above-mentioned LED fluorescent tube comprises diffuser, heat radiation shell, be connected in the lamp holder at heat radiation shell two ends and be used for power module to the LED lamp tube power supply, the heat radiation shell is provided with substrate, substrate is provided with LED, described diffuser both sides have the clinohedral toward interior extension, clinohedral places LED both sides and open-shaped, and the angle of two clinohedrals is 140 ° to 160 °, and the clinohedral end has flange export-oriented trip outwardly, heat radiation shell both sides have inwardly interior to trip of flange, export-oriented trip and interior to the trip clamping.

Preferably, the angle of two clinohedrals is 150 °.

Preferably, the spacing on described LED and diffuser top is 60% to 80% of LED tube diameter.

Preferably, the spacing on described LED and diffuser top is 70% of LED tube diameter.

Preferably, described substrate is provided with binding post, and binding post is connected with the LED power supply;

Described power module has with binding post can plug the Wiring port that is connected.

Preferably, described power module is located in the lamp holder, and power module and lamp holder removably connect.

Preferably, described power module is located in two lamp holders, and the heat radiation shell has the Wire channel in building that connects its two ends, and the power module in two lamp holders is connected by lead-in wire, and this lead-in wire is arranged in the Wire channel in building.

Preferably, described heat radiation shell is provided with the location trip in the substrate both sides, and the location trip has the flange for fixing base, and this flange extends to the substrate top.

The beneficial effects of the utility model are: by export-oriented trip and interior to the trip clamping, make the heat radiation shell wrap up diffuser, the irradiates light that LED sends directly penetrates through diffuser, the irradiates light of having avoided the heat radiation shell that LED is sent causes and stops, thereby eliminated blanking bar, and clinohedral places LED both sides and open-shaped, makes that the irradiates light in the reflected back diffuser can be outside clinohedral reflexes to diffuser, to improve the uniformity of LED fluorescent tube illumination; Wherein, when the angle of two clinohedrals be the spacing of 140 ° to 160 °, LED and diffuser be the LED tube diameter 60% to 80% the time, the illuminating effect of LED fluorescent tube reaches optimum value.

Description of drawings

Fig. 1 is cross-sectional schematic of the present utility model;

Fig. 2 is the schematic diagram of disassembling of the present utility model;

Fig. 3 is the local enlarged diagram of the utility model;

Fig. 4 is schematic side view of the present utility model;

Fig. 5 is side-looking generalized section of the present utility model;

Fig. 6 is that the utility model LED arranges apart from schematic diagram;

Fig. 7 is the angle schematic diagram of the utility model clinohedral;

Fig. 8 is principle schematic of the present utility model.

The specific embodiment

Embodiment of the present utility model comprises diffuser 1, heat radiation shell 2 and is connected in the lamp holder 6 at heat radiation shell 2 two ends that described diffuser 1 both sides have the clinohedral 11 toward interior extension as shown in Figures 1 to 3, and clinohedral 11 ends have flange export-oriented trip 12 outwardly; Shell 2 middle parts of dispelling the heat have the Wire channel in building 23 that connects its two ends, and both sides have inwardly interior to trip 21, interior to trip 21 and export-oriented trip 12 clampings of flange, make heat radiation shell 2 engage with diffuser 1, to constitute cylindrical LED fluorescent tube main body; Described heat radiation shell 2 upper surfaces are provided with substrate 3 and location trip 22, location trip 22 is located at substrate 3 both sides, and the flange of location trip 22 extends to substrate 3 tops, position in order to fixing base 3, and substrate 3 is provided with terminals 5 son and a plurality of LED4, binding post 5 one ends are electrically connected with LED4, the other end carries out pluggable power supply with the Wiring port of power module 7 and is connected, shown in Figure 4 and 5, power module 7 removably is located in the lamp holder 6, the power module 7 at two ends is connected mutually by lead-in wire 8, its lead-in wire 8 is arranged in the Wire channel in building 23, wherein the power module 7 of an end is connected with driving input line 9, and the power module 7 of the other end can plug with binding post 5 by driving output line 51 and be connected; As shown in Figure 6, the spacing h at LED4 and diffuser 1 top is set to 70% of LED tube diameter H; Further, as shown in Figure 7, above-mentioned clinohedral 11 places LED4 both sides and open-shaped, and the angle a of two clinohedrals 11 is 150 °; In addition, the utility model also can only arrange power module 7 in a lamp holder 6, can realize goal of the invention of the present utility model equally.

When above-mentioned LED lamp works, because export-oriented trip 12 is with interior to trip 21 clampings, make heat radiation shell 2 wrap up diffusers 1, the irradiates light that LED4 sends directly penetrates through diffuser 1, the irradiates light of having avoided 2 couples of LED4 of heat radiation shell to send causes and stops, thereby has eliminated blanking bar, and clinohedral 11 places LED3 both sides and open-shaped, make that the irradiates light in the reflected back diffuser 1 can be outside clinohedral 11 reflexes to diffuser 1, to improve the uniformity of LED fluorescent tube illumination; It is 120 ° because the luminous angle of existing LED is set up again, if the angle a of two clinohedrals will cause obstruct to the emission light of LED4 less than 120 °, influence the luminous mass of LED fluorescent tube, can avoid LED4 is caused obstruct so the angle a of the utility model two clinohedrals 11 is 150 °, guarantee the maximization of LED4 lighting angle; Further, as shown in Figure 8, when the spacing h at LED4 and diffuser 1 top be set to LED tube diameter H 30% the time, can there be irradiation blind area Q in two adjacent LED4, influence the uniformity of LED fluorescent tube illumination, and when the spacing h at LED4 and diffuser 1 top be set to LED tube diameter H 70% the time, adjacent LED 4 irradiates lights are overlapping, make blind area Q disappear, thereby improved the uniformity of LED fluorescent tube illumination.

The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although used some specific terms in this specification, these terms do not constitute any restriction to the utility model just for convenience of description.

Claims

1. LED fluorescent tube, comprise diffuser, heat radiation shell, be connected in the lamp holder at heat radiation shell two ends and be used for power module to the LED lamp tube power supply, the heat radiation shell is provided with substrate, substrate is provided with LED, it is characterized in that: described diffuser both sides have the clinohedral toward interior extension, clinohedral places LED both sides and open-shaped, the angle of two clinohedrals is 140 ° to 160 °, the clinohedral end has flange export-oriented trip outwardly, heat radiation shell both sides have inwardly interior to trip of flange, export-oriented trip and interior to the trip clamping.

2. LED fluorescent tube according to claim 1, it is characterized in that: the angle of two clinohedrals is 150 °.

3. LED fluorescent tube according to claim 1 and 2 is characterized in that: the spacing on described LED and diffuser top is 60% to 80% of LED tube diameter.

4. LED fluorescent tube according to claim 3 is characterized in that: the spacing on described LED and diffuser top is 70% of LED tube diameter.

5. LED fluorescent tube according to claim 1, it is characterized in that: described substrate is provided with binding post, and binding post is connected with the LED power supply;

6. LED fluorescent tube according to claim 5, it is characterized in that: described power module is located in the lamp holder, and power module and lamp holder removably connect.

7. LED fluorescent tube according to claim 6, it is characterized in that: described power module is located in two lamp holders, and the heat radiation shell has the Wire channel in building that connects its two ends, and the power module in two lamp holders is connected by lead-in wire, and this lead-in wire is arranged in the Wire channel in building.

8. LED fluorescent tube according to claim 1, it is characterized in that: described heat radiation shell is provided with the location trip in the substrate both sides, and the location trip has the flange for fixing base, and this flange extends to the substrate top.