CN212961009U - LED lamp tube and lighting lamp with same - Google Patents

Abstract

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED fluorescent tube and have its illumination lamps and lanterns. Wherein, this LED fluorescent tube includes the printing opacity pipe, LED lamp strip and lamp holder, and the printing opacity pipe has logical chamber, and LED lamp strip sets up in leading to the chamber, and the lamp holder encapsulates in the tip of printing opacity pipe, and the lamp holder is including cup jointing the section and extending the section, and the section cover is on the tip of printing opacity pipe is cup jointed, and the external diameter of extending the section is less than the external diameter of cup jointing the section, extends the section and cup joints between the section and be connected through the transition wall, and the transition wall is opened there is at least one release hole, at least one release hole with lead. Use the technical scheme of the utility model the cross-section undersize of the through-hole of seting up on can solving the terminal surface of lamp holder among the prior art and can't satisfy the problem of the requirement of release volatile substance.

Description

LED lamp tube and lighting lamp with same

Technical Field

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED fluorescent tube and have its illumination lamps and lanterns.

Background

At present, LED lamps are more and more widely applied, and LED lamp tubes are more and more commonly used for replacing T5 lamp tubes for lighting. The existing LED lamp tube generally has the following two assembling modes: in the first assembly form, an aluminum profile is used as a substrate, an LED light bar is connected to the substrate through a screw, then the LED light bar is packaged into the light emitting side of the LED light bar through a PC lampshade, and finally two ends of the substrate are packaged by adopting a lamp holder; in the second assembly mode, the LED lamp strip is pasted in the light transmission tube, and then the two ends of the light transmission tube are packaged by adopting lamp caps. The first assembly form is much more expensive to produce than the second assembly form, as compared to the two assembly forms. And to the LED fluorescent tube of the lower second assembly method of manufacturing cost, owing to adopt the bonding medium to paste LED lamp strip dress at the printing opacity intraductal wall, the luminous heat that continuously produces of LED lamp pearl of LED lamp strip leads to the bonding medium can volatilize some matters of department, and these matters can take place chemical reaction with the encapsulation glue of encapsulation use in the LED lamp strip, influence the luminous efficacy of LED lamp pearl then, lead to lumen to reduce and can not satisfy the lighting demand.

To solve the problem of the second assembly method, as shown in fig. 1, in the prior art, a plurality of through holes 3 are formed in an end surface 2 of a lamp cap 1 to communicate with a light-transmitting tube 4 so as to release substances volatilized by a bonding medium. However, the volume of the lamp holder 1 is limited to be small, the area of the end face 2 is limited, and the position of the connecting column 5 needs to be reserved on the end face 2, so that the number of the through holes 3 which can be formed is limited, the cross section of each through hole 3 is too small to meet the requirement of releasing volatile substances, and the volatile substances still undergo a chemical reaction with the packaging adhesive of the LED lamp strip, so that the lumen is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED fluorescent tube and have its illumination lamps and lanterns, the problem that the cross-section undersize of the through-hole of seting up on the terminal surface of lamp holder and can't satisfy the requirement of the release material of volatilizing aims at solving among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a LED fluorescent tube, includes light-transmitting tube, LED lamp strip and lamp holder, the light-transmitting tube has logical chamber, LED lamp strip sets up in logical chamber, the lamp holder encapsulates in the tip of light-transmitting tube, the lamp holder is including cup jointing the section and extending the section, cup joint the section cover on the tip of light-transmitting tube, the external diameter of extending the section is less than the external diameter of cup jointing the section, extend the section and cup joint and be connected through the transition wall between the section, the transition wall is opened there is at least one release hole, at least one release hole with lead to the chamber intercommunication.

Optionally, part of the bore wall surface of the release bore is flush with the outer wall surface of the extension.

Optionally, the number of the release holes is plural, and the plural release holes are arranged at regular intervals in the circumferential direction around the extension section.

Optionally, the cross-sectional profile shape of the relief hole perpendicular to the central axis of the extension is polygonal.

Optionally, the cross-sectional profile shape of the relief hole perpendicular to the central axis of the extension is trapezoidal.

Optionally, the cross-sectional profile shape of the relief hole perpendicular to the central axis of the extension is semi-circular.

Optionally, the cross-sectional profile shape of the relief hole perpendicular to the central axis of the extension is circular.

Optionally, the light-transmitting tube, the sleeving section and the extension section are coaxially arranged.

Optionally, the socket section and the extension section are integrally formed.

According to the utility model discloses an on the other hand provides an illumination lamps and lanterns. Specifically, this lighting lamp includes lamp stand and aforementioned LED fluorescent tube, and the lamp stand is equipped with two relative plug terminals, and two lamp holders are connected with two plug terminal assembly respectively, and lamp holder and plug terminal electric connection.

The utility model discloses following beneficial effect has at least:

the LED lamp tube manufactured by applying the technical proposal of the utility model has the advantages that in the working process of luminous illumination, the bonding medium is heated to volatilize gas phase substances, the inside of the through cavity of the light transmission tube forms positive pressure relative to the external air pressure due to the temperature rise, and the lamp holder is provided with the release hole, so that the volatile substance is discharged to the outside from the release hole under the action of positive pressure, compared with the prior art, the lamp holder is designed into the sleeving section and the extension section, the outer diameter of the extension section is smaller than that of the sleeving section, the extension section is connected with the sleeve joint section through a transition wall, the transition wall is provided with a release hole, compared with the prior art, same release hole, the utility model discloses a release hole on the lamp holder is owing to open on the transition wall, can more fully utilize the cross sectional area of transition wall in order to increase the sectional area in release hole to can release away the volatile substance fully.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic view of a lamp head assembly structure of an LED lamp tube in the prior art;

fig. 2 is a schematic view of an assembly structure of an LED lamp according to a first embodiment of the present invention;

fig. 3 is an exploded view of the LED lamp according to the first embodiment of the present invention;

fig. 4 is a cross-sectional view of an LED lamp according to a first embodiment of the present invention;

FIG. 5 is an enlarged view at S in FIG. 4;

fig. 6 is a schematic structural diagram of a first viewing angle of a lamp cap in an LED lamp tube according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a second viewing angle of the lamp head in the LED lamp tube according to the first embodiment of the present invention;

fig. 8 is a front view of a lamp cap in an LED lamp according to a first embodiment of the present invention;

FIG. 9 is a left side view of FIG. 8;

FIG. 10 is a cross-sectional view taken along line A-A of FIG. 8;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 8;

fig. 12 is a schematic structural diagram of a first viewing angle of a lamp cap in an LED lamp tube according to a second embodiment of the present invention;

fig. 13 is a schematic structural diagram of a second viewing angle of a lamp cap in an LED lamp according to a second embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10. a light-transmitting tube; 11. a cavity is communicated; 20. an LED light bar; 30. a lamp cap; 31. a sleeving section; 32. an extension section; 33. a transition wall; 331. a release aperture; 34. connecting columns; 35. reinforcing ribs; 40. a bonding medium; 50. a driver.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment:

the first embodiment of the utility model provides a LED fluorescent tube, this LED fluorescent tube is rectangular form fluorescent tube, utilizes this LED fluorescent tube to replace and progressively replace the fluorescence fluorescent tube that general family used, progressively realizes energy saving and emission reduction.

As shown in fig. 2 to 11, in the LED light, the LED lamp tube includes a light-transmitting tube 10, an LED lamp strip 20 and a lamp head 30, the light-transmitting tube 10 has a through cavity 11, the LED lamp strip 20 is disposed in the through cavity 11, the lamp head 30 is packaged at an end of the light-transmitting tube 10, the lamp head 30 includes a sleeving section 31 and an extending section 32, the sleeving section 31 is sleeved on the end of the light-transmitting tube 10, an outer diameter of the extending section 32 is smaller than an outer diameter of the sleeving section 31, the extending section 32 is connected with the sleeving section 31 through a transition wall 33, the transition wall 33 is provided with at least one release hole 331, and the at least one release hole 331 is communicated with the through cavity 11.

In the LED lamp tube manufactured by applying the technical solution of the present invention, in the working process of lighting, the bonding medium 40 (as shown in fig. 3) is heated to volatilize the gaseous substance, the inside of the through cavity 11 of the light transmitting tube 10 forms a positive pressure relative to the external air pressure due to the temperature rise, and the lamp head 30 is provided with the release hole 331, so that the volatile substance is discharged to the outside from the release hole 331 under the positive pressure effect, compared with the prior art, the lamp head 30 of the present invention is designed as the socket joint section 31 and the extension section 32, the outer diameter of the extension section 32 is smaller than the outer diameter of the socket joint section 31, the extension section 32 is connected with the socket joint section 31 through the transition wall 33, and the release hole 331 is provided on the transition wall 33, compared with the prior art, the same release hole 331 is provided, the release hole 331 on the lamp head 30 of the present invention can more fully utilize the cross-sectional area of the transition wall 33 to increase the sectional area of the release hole 331 by opening, therefore, volatile substances can be released sufficiently, the luminous quantity of the LED lamp strip 20 is guaranteed, and the luminous efficiency and the light extraction efficiency are guaranteed.

In the first embodiment, the socket section 31 and the extension section 32 are integrally formed. In the process of connecting the lamp cap 30 to the end of the light-transmitting tube 10, the sleeve section 31 and the extension section 32 are coaxially arranged. In addition, in the LED lamp tube, the lamp caps 30 are respectively sleeved at both ends of the light-transmitting tube 10, so that gas-phase substances volatilized during the light emitting process are respectively discharged from the discharge holes 331 of the lamp caps 30 at both ends, thereby improving the discharge efficiency. In practice, during the assembly of the LED tube, the LED light bar 20 should be first installed and stabilized in the through cavity 11 of the light-transmitting tube 10, and then the lamp head 30 should be assembled. The light-transmitting tube 10 of the LED tube of the first embodiment of the present embodiment is a transparent glass tube (in addition, the light-transmitting tube 10 may also be a transparent tube made of other materials, for example, a light-transmitting tube made of acrylic material). Because the LED lamp tube is a substitute lamp based on the original fluorescent tube, the LED lamp tube can be directly installed by utilizing the original lamp holder for installing the fluorescent tube, the driver 50 which is assembled on the substrate of the LED lamp strip 20 and is electrically connected with each LED lamp bead is convenient for the connection and the electrification of a household circuit, then the driver 50 supplies power to the LED lamp beads after adjusting the voltage and the current, and the LED lamp beads emit light. At this time, the side of the LED tube facing the lamp holder does not need to emit light, and therefore, the LED light bar 20 is stably attached to the inner wall of the light-transmitting tube 10 through the adhesive medium 40. Generally, the adhesive medium 40 is silica gel, which is connected between the back of the LED light bar 20 and the corresponding inner wall of the light-transmitting tube 10, and the silica gel has a general light-transmitting property, so that a good backlight side is formed, light emission or non-light emission is reduced at the backlight side, light loss is reduced, and light utilization efficiency is improved. And, at the luminous in-process of LED lamp pearl of LED lamp strip 20, because the good heat conductivility of silica gel, the heat can be through outside transmission heat to printing opacity pipe 10 of silica gel, then realizes the heat dissipation cooling through external environment.

As shown in fig. 2, 3, 6 and 8, the number of the release holes 331 is plural, and the plural release holes 331 are uniformly spaced around the extension 32 in the circumferential direction on the transition wall 33, so that, compared with the prior art, the plural release holes are uniformly spaced in the circumferential direction, so that the limited cross-sectional area of the lamp head 30 can be fully utilized, and the space utilization rate of the lamp head 30 is improved. And the quantity of release holes is increased compared with the prior art, so that the hole sectional area is also increased compared with the prior art (namely, the total circulating sectional area of the gas-phase volatile substances released to the outside of the through cavity 11 is increased, the flowing efficiency is better), and therefore the volatile substances can be more fully and completely released.

As shown in fig. 4, 5, 6, and 8 to 11, part of the hole wall surface of the release hole 331 is flush with the outer wall surface of the extension 32. This enables a further exploitation of the transition wall 33 of the burner 30 to obtain a discharge aperture 331 with a maximized cross-sectional area. In particular, the release holes 331 formed in the lamp cap 30 are required to meet the generally required installation specification and the safety requirement of 2.5mm or more in creepage distance, so as to prevent the fingers of a person from being inserted into the through cavity 11 to contact the internal components and cause electric shock.

In the first embodiment, the profile shape of the release hole 331 may be that, in a cross section perpendicular to the central axis of the extension section 32, the profile shape of the cross section of the release hole 331 is polygonal, for example, the profile shape of the cross section of the release hole 331 is trapezoidal, so that the profile shapes of the release holes 331 are consistent, the mold-open manufacturing is facilitated, and the appearance of the lamp head 30 is simple and elegant.

The utility model discloses a lamp holder 30 adopts injection moulding mode preparation production, owing to offered the through-hole that is used for through spliced pole 34 at lamp holder 30 terminal surface, in order to reach the effect of even cooling solidification in the cooling process of moulding plastics at lamp holder 30, improve lamp holder 30 injection moulding quality, therefore stiffening rib 35 has been designed at the inner wall of lamp holder 30 terminal surface, two through-holes for wearing out spliced pole 34 set up respectively in the both sides of stiffening rib 35 (as shown in fig. 7, fig. 10 and 11), help even cooling in the cooling solidification process, and can improve lamp holder 30 terminal surface mechanical strength.

Second embodiment:

as shown in fig. 12 and 13, it shows a schematic structural diagram of an LED tube according to a second embodiment of the present invention. Compared with the LED lamp of the first embodiment, the LED lamp of the second embodiment has the following differences.

In the second embodiment, the sectional profile shape of the discharge hole 331 perpendicular to the central axis of the extension section 32 is a semicircle, or the sectional profile shape of the discharge hole 331 perpendicular to the central axis of the extension section 32 is a circle, and the semicircular or circular discharge hole 331 can also obtain the discharge hole 331 having the maximized sectional area by making full use of the transition wall 33 of the base 30, as with the trapezoidal profile shaped discharge hole 331.

Alternatively, in the LED tube of the second embodiment, the release hole on the base 30 is designed to be any combination of a trapezoidal profile shape, a semicircular profile shape, and a circular profile shape, thereby obtaining the release hole 331 with a maximized cross-sectional area.

Compared with the LED lamp of the first embodiment, the LED lamp of the second embodiment has the same structure except for the above structure, and therefore, the description thereof is omitted.

According to another aspect of the present invention, there is provided a lighting fixture (not shown) for decoration by purchasing a complete and new lighting fixture when a new house is decorated. Specifically, this lighting lamp includes lamp stand (not shown in the figure) and aforementioned LED fluorescent tube, and the lamp stand is equipped with two relative plug terminals (not shown in the figure), two lamp holders 30 respectively with two plug terminal assembly connections, and the spliced pole 34 and the plug terminal electric connection of the extension that lamp holder 30 set up to realize that the LED lamp pearl of LED lamp strip 20 circular telegram is luminous, realize the light-emitting illumination.

The LED lamp tube manufactured by applying the technical scheme of the utility model, in the working process, the bonding medium 40 is heated to volatilize gaseous substances, the inside of the through cavity 11 of the light transmission tube 10 forms positive pressure relative to the external air pressure due to the temperature rise, and the lamp head 30 is provided with the release holes 331, therefore the volatilized substances are discharged to the outside from the release holes 331 under the action of the positive pressure, compared with the prior art, the lamp head 30 of the application is designed into the socket joint section 31 and the extension section 32, the outer diameter of the extension section 32 is smaller than that of the socket joint section 31, then the extension section 32 is connected with the socket joint section 31 through the transition wall 33, and the transition wall 33 is provided with a plurality of release holes 331, and the plurality of release holes 331 are uniformly arranged at intervals along the circumferential direction, therefore, the setting number of the release holes 331 can be increased relative to the prior art, and the hole sectional area can be increased relative to the prior art, thereby the volatilized substances can be, the luminous quantity of the LED lamp strip 20 is ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a LED lamp tube, includes light-transmitting tube (10), LED lamp strip (20) and lamp holder (30), light-transmitting tube (10) have logical chamber (11), LED lamp strip (20) set up in lead to chamber (11), lamp holder (30) encapsulate in the tip of light-transmitting tube (10), characterized in that, lamp holder (30) include socket joint section (31) and extension section (32), socket joint section (31) cover on the tip of light-transmitting tube (10), the external diameter of extension section (32) is less than the external diameter of socket joint section (31), extension section (32) with be connected through transition wall (33) between socket joint section (31), transition wall (33) are opened there is at least one release hole (331), at least one release hole (331) with lead to chamber (11) intercommunication.

2. The LED lamp tube according to claim 1, wherein part of the wall surface of the release hole (331) is flush with the outer wall surface of the extension section (32).

3. The LED tube of claim 1,

the number of the release holes (331) is plural, and the plurality of the release holes (331) are arranged at regular intervals in the circumferential direction around the extension section (32).

4. The LED tube according to any one of claims 1 to 3, wherein the cross-sectional profile shape of the release hole (331) perpendicular to the central axis of the extension section (32) is a polygon.

5. The LED tube according to claim 4, wherein the cross-sectional profile of the release hole (331) perpendicular to the central axis of the extension section (32) is trapezoidal in shape.

6. The LED tube according to any one of claims 1 to 3, wherein the cross-sectional profile shape of the release hole (331) perpendicular to the central axis of the extension section (32) is semicircular.

7. The LED tube according to any one of claims 1 to 3, wherein the cross-sectional profile shape of the release hole (331) perpendicular to the central axis of the extension section (32) is circular.

8. The LED tube according to any one of claims 1 to 3, wherein the light-transmitting tube (10), the socket section (31) and the extension section (32) are coaxially arranged.

9. The LED tube according to any one of claims 1 to 3, characterized in that the socket section (31) and the extension section (32) are integrally formed.

10. A lighting fixture, characterized in that, it comprises a lamp holder and the LED lamp tube of any one of claims 1 to 9, said lamp holder is provided with two opposite plug terminals, two said lamp caps (30) are respectively assembled and connected with two said plug terminals, and said lamp caps (30) are electrically connected with said plug terminals.

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