CN208519538U

CN208519538U - LED straight lamp

Info

Publication number: CN208519538U
Application number: CN201820872778.5U
Authority: CN
Inventors: 江涛
Original assignee: Jiaxing Super Lighting Electric Appliance Co Ltd
Current assignee: Jiaxing Super Lighting Electric Appliance Co Ltd
Priority date: 2015-07-27
Filing date: 2016-07-15
Publication date: 2019-02-19
Anticipated expiration: 2026-07-15

Abstract

A kind of LED straight lamp, two lamp caps, the power supply in lamp cap including fluorescent tube, the opposite end for being respectively arranged on fluorescent tube, and the LED lamp panel in the fluorescent tube, LED lamp panel is equipped with multiple LED light sources, is electrically connected between LED light source and power supply by LED lamp panel, and lamp cap includes the side wall and end wall of tubulose, an at least hole is set on end wall, be connected to lamp cap inner space with outside, and hole is axially parallel to side wall, in the interior sidewall surface of lamp cap side wall including baffle plate.

Description

LED straight lamp

Technical field

The utility model relates to field of lighting appliances, and in particular to a kind of LED straight lamp and its component include LED light Source, fluorescent tube, electronic component and lamp cap.

Background technique

LED lighting technology it is positive fast-developing and instead of traditional incandescent lamp and fluorescent lamp.Compared to being filled with indifferent gas For the fluorescent lamp of body and mercury, LED straight lamp need not filling mercury.Therefore, various by seeming traditional energy-saving lamp bubble (CFLs) and in the lighting system of household or workplace dominated of the illumination option such as fluorescent tube, LED straight lamp is not intended to Other places is increasingly becoming the illumination option of people's height expectation.The advantages of LED straight lamp the durability comprising promotion and the service life and Compared with low power consuming.Thus it is contemplated that LED straight lamp will be the illumination option of escapable cost after all factors.

The Chinese patent application case application No. is CN201510056843.8 is please referred to, this application case discloses a kind of straight cutting The basic structure of formula LED straight lamp, LED straight lamp include LED lamp tube and lamp cap, and lamp cap includes power panel and lamp shell, LED Lamp bar is equipped in fluorescent tube, lamp bar connects power panel.Please refer to that application No. is the Chinese patent applications of CN 201320550914.6 Case, this application case disclose the lamp cap and LED straight lamp of a kind of power-adjustable, and the lamp cap of LED straight lamp includes body and function Rate adjusts rotating ring.The U.S. patent application case of Publication No. US2012146503 is please referred to, this application case discloses a kind of straight Insert formula LED straight lamp comprising tube-like piece and LED among tube-like piece and the transparency liquid that can be used for radiating.It please join According to the U.S. patent application case of Publication No. US20140071667, this application case discloses a kind of straight lamp, and straight lamp includes circle Column shell, the end cap set on cylindrical shell both ends, the LED substrate in cylindrical shell, the LED in LED substrate.

Existing LED straight lamp has following a few class problems to need to solve.When electricity of the LED straight lamp in running, inside lamp cap The electronic component in source can continue to generate thermal energy, and the thermal energy generated can not shed except lamp cap with cross-ventilation, instead can It is piled up in inside lamp cap, life of product and reliability is caused to reduce.Also, according to ideal gas equation:

PV=nRT

Wherein P is pressure, and V is gas volume, and n is the amount of gas, and R is ideal gas constant, and T is absolute temperature.If In the case where the volume of gas and amount are fixed, temperature is proportional to pressure, that is to say, that temperature is higher, and pressure is cured It is high；And temperature is lower, then pressure is lower.(for example, lamp cap in the case where being confined space or approximate confined space inside lamp cap It connect through gluing mode between fluorescent tube and the junction of lamp cap and fluorescent tube is made not have gap or gap atomic small), lamp cap The volume and amount of internal gas are fixed value or early-fixed value, the related variation caused stress of variation meeting of temperature at this time, The cataclysm of especially temperature may cause the pressure inside lamp cap and sharply be raised and lowered, and it is disconnected can so to can increase electrical connection part The chance (such as power supply circuit board and flexible circuit board joint loosen) opened.In addition, prolonged high temperature makes in lamp cap The pressure in portion increases, and electronic component is caused to need to bear high temperature and high pressure for a long time and be easier to damage.High temperature inside lamp cap Or high pressure not only will affect the reliability of LED straight lamp, or even can also improve the risk of electronic component spontaneous combustion, it is careless slightly can Fire hazard accident.

In the assembling process of LED straight lamp, since the pressure inside fluorescent tube and lamp cap can be with the group of fluorescent tube and lamp cap Dress process and increase, thus when lamp cap is assembled into fluorescent tube, has resistance, and then has a negative impact for packaging efficiency.Except this Except, in the disassembly process of LED straight lamp, since (temperature inside fluorescent tube and lamp cap drops the negative pressure inside fluorescent tube and lamp cap Will lead to negative pressure when low), thus by lamp cap by disassembling on fluorescent tube when also has resistance.

When LED straight lamp is mounted to lamp holder or is disassembled by lamp holder, if LED straight lamp has rupture or damage, or In the case where LED straight lamp one end is still electrically connected lamp holder, if user inadvertently contacts the LED straight lamp other end It is exposed to outer hollow conductive pin, then user has the risk of electric shock.

In view of the above problem, the utility model set forth below and embodiment, to solve the above problems.

Utility model content

The utility model provides a kind of new LED straight lamp, and in one embodiment, the LED straight lamp includes fluorescent tube, two Lamp cap, power supply and LED lamp panel.Two lamp cap is respectively arranged on the opposite end of the fluorescent tube, and the power supply includes power circuit Plate is set in one or two lamp caps, two lamp caps；LED lamp panel is set in the fluorescent tube, is equipped with multiple LED light sources, described It is electrically connected between LED light source and the power supply by the LED lamp plate；The lamp cap includes side wall and end wall, the side Wall is tubulose, and an at least hole is arranged on the end wall perpendicular to the axial direction of the side wall for the end wall, and described hole makes described Lamp cap inner space is connected to outside, and described hole is axially parallel to the side wall；The lamp cap further includes baffle plate, institute Baffle plate is stated in the interior sidewall surface of the side wall, and the baffle plate and the end wall in the axial direction of the side wall each other Interval.

In one embodiment, backstop described in a side contacts of the power supply circuit board towards the end wall of the power supply Plate, and make to keep gap between the power supply circuit board of the power supply and the end wall.

In one embodiment, the lamp cap includes vertical ribs and horizontal rib, and the power supply circuit board is clamped and fixed Between the vertical ribs and the horizontal rib.

In one embodiment, the vertical ribs and the horizontal rib are set in the interior sidewall surface of the side wall, and Along the axially extending of the side wall.

In one embodiment, the vertical ribs and the horizontal rib are provided with two, and two horizontal ribs Correspond respectively to two vertical ribs.

In one embodiment, the radial area of described hole is less than the 1/10 of the radial area of end wall.

In one embodiment, at least one described hole is higher than the axle center of fluorescent tube and lamp cap in vertical direction.

In addition the utility model provides a kind of new LED straight lamp, in one embodiment, the LED straight lamp includes lamp Manage, be respectively arranged on two lamp caps of the opposite end of the fluorescent tube, the LED lamp plate in the fluorescent tube and integrated structure； The lamp cap includes side wall and end wall, and the side wall is tubulose, axial direction of the end wall perpendicular to the side wall, the end wall A upper setting at least hole, described hole are connected to the lamp cap inner space with outside, and described hole is axially parallel to The side wall；A part of integrated structure of integrated structure is set to the end of fluorescent tube, and the integrated structure of another part is set In on lamp cap, the fluorescent tube and the lamp cap penetrate integrated structure detachable connection.

In one embodiment, the integrated structure includes set on the first positioning unit of the side wall and set on the fluorescent tube Second positioning unit of end, first positioning unit correspond to second positioning unit and match each other.

In one embodiment, first positioning unit is recessed in the concave point in the interior sidewall surface of the side wall, described Second positioning unit is the salient point for being convexly equipped in the outer side surface of end of fluorescent tube, and the salient point of second positioning unit is caught in In the concave point of first positioning unit.

In one embodiment, first positioning unit is salient point, and second positioning unit is concave point.

In one embodiment, the integrated structure includes the annular protrusion set on the side wall and the end set on the fluorescent tube The annular groove at end, the annular protrusion correspond to the annular groove, and the lamp cap is through the annular protrusion and the ring Shape sliding slot connects the fluorescent tube to embedding.

In one embodiment, the integrated structure includes the annular groove set on the side wall and the end set on the fluorescent tube The annular protrusion at end, the annular protrusion correspond to the annular groove, and the lamp cap is through the annular protrusion and the ring Shape sliding slot connects the fluorescent tube to embedding.

By the various embodiments for the LED straight lamp that the utility model is proposed, hole is conducive to pressure release, works as LED In running, thermal energy caused by the electronic component of the power supply inside lamp cap can more have straight lamp through at least one hole Efficient shed except lamp cap.At least one hole can also be used as the channel of discharge, the gas expansion inside lamp cap It can be released through at least one described hole, so that the pressure in lamp cap will not be with gradient of temperature.In this way, the longevity of product Life is improved with reliability.

In conclusion in the assembling process or disassembly process of LED straight lamp, since gas can be circulated by hole, and Fluorescent tube can remain constant (equal with the external pressure of lamp cap with fluorescent tube) with the internal pressure of lamp cap, in addition integrated structure is set Meter, so lamp cap is assembled into fluorescent tube or by disassembling on fluorescent tube in which can be convenient.Therefore, the efficiency of assembly and disassembly is able to It improves.The design of baffle plate can make to keep at a distance between power supply circuit board and lamp cap end wall, provide gas flow space, increase Radiating efficiency and effect.

Detailed description of the invention

Fig. 1 is the schematic diagram of the LED straight lamp of an embodiment of the present invention；

Fig. 2 is the perspective view of the explosion of the LED straight lamp of an embodiment of the present invention；

Fig. 3 is the partial schematic diagram of the LED straight lamp of an embodiment of the present invention；

Fig. 4 is partial cutaway view of the Fig. 3 on the direction A-A '；

Fig. 5 is the partial cutaway view of the LED straight lamp of an embodiment of the present invention；

Fig. 6 is the partial cutaway view of the LED straight lamp of another embodiment of the utility model；

Fig. 7 to Figure 14 is the partial schematic diagram of the LED straight lamp of the multiple embodiments of the utility model；

Figure 15 to Figure 18 is the partial cutaway view of the LED straight lamp of the multiple embodiments of the utility model；

Figure 19 and Figure 20 is the partial cutaway view of the LED straight lamp for being installed on lamp holder of the multiple embodiments of the utility model；

Figure 21 is the schematic diagram of the LED straight lamp for being installed on lamp holder of an embodiment of the present invention；

Figure 22 is the partial schematic diagram of the LED straight lamp of an embodiment of the present invention；

Figure 23 is partial cutaway view of the Figure 22 on the direction B-B '；

Figure 24 is the sectional perspective sectional view of Figure 22；

Figure 25 is the sectional perspective sectional view of the LED straight lamp of an embodiment of the present invention；

Figure 26 is the partial cutaway view of the LED straight lamp of an embodiment of the present invention；

Figure 27 is the schematic diagram of the LED straight lamp of an embodiment of the present invention, and visual angle generally level is in lamp cap It is axial；

Figure 28 is the radial cutaway view of the lamp cap of Figure 27；

Figure 29 is stator of the motor of the Figure 27 on the direction C-C '；

Figure 30 and Figure 31 is the stator of the motor of the LED straight lamp of the multiple embodiments of the utility model；

Figure 32 is the partial schematic diagram of the LED straight lamp of an embodiment of the present invention, and partial interior component is perspective；

Figure 33 is the partial schematic diagram of the LED straight lamp of an embodiment of the present invention.

Specific embodiment

The utility model proposes a kind of LED straight lamps, to solve the above problems.For the above-mentioned mesh for making the utility model , feature and advantage can become apparent understandable, specific embodiment of the utility model is done specifically with reference to the accompanying drawing It is bright.The narration of following various embodiments of the utility model is merely to illustrating and being illustration, and allow those skilled in the art can be whereby The scope of the utility model is understood, it is not intended that it is the whole embodiments of the utility model or limits the invention to Specific embodiment.The same or similar label is used to indicate the same or similar element.

Proper noun used in this only for description specific embodiment rather than limitation the utility model.Unless there are clear Point out quantity, otherwise ＂ or ＂＂ described in ＂ mono- ＂, ＂ before element also includes several aspect.It should be appreciated that such as ＂ packet Including ＂, ＂ to have the conjunctions such as ＂ comprising ＂ or ＂ is for defining the technical characteristic in embodiment (such as position, unit, step, element Or ingredient etc.), it is not for excluding other existing, possible or additional technical characteristics.

It should be appreciated that ＂ and/or ＂ include one or more combinations of element arranged side by side.Element, ingredient, portion The first the 2nd term such as ＂ or the 3rd ＂ of ＂ of ＂, ＂ of ＂ before position and/or the nouns such as region are for separating technical characteristic in order to retouching It states, and is not intended to be limited in any.Therefore, first element, ingredient, position or region can also be named as second element, ingredient, position, Or region, without departing from the teaching of the utility model.

Specific embodiment of the utility model is described in detail with reference to the accompanying drawing.And in the situation not conflicted Under, each embodiment of the utility model and each technical characteristic of each embodiment can any combination.

Situations such as this case is if any CLAIM OF PRIORITY, the content of the utility model can in conjunction with the content of all female cases, but When explaining claim, as the utility model and female case have it is any conflict or inconsistent place, then with the power of the utility model Benefit requires, subject to specification and application history.

Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of LED straight lamp 50 in an embodiment comprising fluorescent tube 100, LED lamp panel 200 and lamp cap 300.LED lamp panel 200 is set in fluorescent tube 100, and two lamp caps 300 are then respectively arranged on fluorescent tube 100 Both ends.Fluorescent tube 100 can use plastics fluorescent tube, glass lamp, plastics and metal mixed fluorescent tube or glass and metal mixed lamp Pipe, the size of two lamp caps 300 can be identical or different.Please continue to refer to Fig. 2, LED lamp panel 200 is equipped with several LED Light source 202, lamp cap 300 is interior to be equipped with power supply 400.Power supply 400 can be the single unit of integrated (for example, power supply 400 All elements are all set in an ontology) and be set in a lamp cap 300 of 100 one end of fluorescent tube.Alternatively, power supply 400 can be with It is the component (for example, the element of power supply 400 is divided into two parts) of two separation and is respectively arranged at two lamp caps 300 In.It is electrically connected between LED light source 202 and power supply 400 by LED lamp panel 200.Bendable circuit can be used in LED lamp panel 200 Soft board.In addition, in some embodiments, it (does not include being connected to that the length of bendable circuit soft board, which is greater than the length of fluorescent tube, The length of two lamp caps 300 at 100 both ends of fluorescent tube), or the two transition regions (circle of such as fluorescent tube at the both ends at least more than fluorescent tube 100 All contraction places) between middle section length.In one embodiment, as the vertical of the bendable circuit soft board of LED lamp panel 200 It is greater than the length of fluorescent tube 100 to projected length.The middle section of LED lamp panel 200 can be fixed on the inner peripheral surface of LED lamp tube 100 On.Opposite two short sides of LED lamp panel 200 are then not fixed on the inner peripheral surface of fluorescent tube 100.LED lamp panel 200 includes two freedom portion 210, two freedom portion 210 are respectively arranged on opposite two short sides of LED lamp plate 200, axial direction of two freedom portion 210 along fluorescent tube 100 It is stretched out respectively by the opening of the opposite end in 100 axial direction of fluorescent tube, and two freedom portion 210 can extend respectively to lamp cap 300 Inside and with power supply 400 be electrically connected.For connecting the hollow conductive pin of external power supply there are two being set on each lamp cap 300 310, when LED straight lamp 50 will be installed on lamp holder, hollow conductive pin 310 be can be inserted into the correspondence conductive trough in lamp holder, be made LED straight lamp 50 can be electrically connected with lamp holder.In one embodiment, LED lamp panel 200 includes bendable circuit soft board, flexible Formula circuit soft board has the conductive circuit layer being stacked and dielectric layer (not shown).Wherein, line layer has phase with dielectric layer The area of same area or line layer is slightly smaller than dielectric layer.LED light source 202 is set to a surface of line layer, dielectric layer setting In another surface of the line layer far from LED light source 202.Line layer is electrically connected power supply 400 to transmit direct current (DC) signal. The inner peripheral surface of fluorescent tube 100 is fixed on surface of the dielectric layer far from line layer by adhesive sheet (not shown) at this time.Line layer can be with For metal layer or power supply accommodating layer comprising route, such as copper wire.

In another embodiment, the outer surface of line layer or dielectric layer can be covered by circuit protecting layer.Circuit protecting layer by Ink forms and has the function of anti-weldering and increase reflectivity.Alternatively, dielectric layer can save and line layer can be directly joined lamp The inner peripheral surface of pipe 100, and circuit protecting layer is coated on the outer surface of line layer.No matter line layer is one layer of structure or two layers of knot Structure, circuit protecting layer are all applicable.In some embodiments, circuit protecting layer is set to single side/surface of LED lamp panel 200, Such as with the surface of LED light source 202.In some embodiments, bendable circuit soft board is one layer of structure, by a sandwich circuit layer It is formed；Or can be double-layer structure, it is formed by a sandwich circuit layer with one dielectric layer.Compared to the soft base of traditional three-decker The flexibility of material (one dielectric layer is clipped between two layers of line layer), the bendable circuit soft board is more preferable and more flexible.Whereby, In the mountable fluorescent tube up to specification in shape of the bendable circuit soft board of LED lamp panel 200 or in the fluorescent tube of non-tubular shape, and It is suitble to the inner surface mounted in fluorescent tube 100.In some cases, bendable circuit soft board can closely be mounted in the interior table of fluorescent tube 100 Face.In addition to this, the bendable circuit soft board of small layers can improve heat dissipation and reduce material cost.

However, bendable circuit soft board is not limited to single or double layer.In other embodiments, bendable circuit soft board can The dielectric layer (not shown) of line layer and multilayer including multilayer, these line layers and dielectric layer intersecting in regular turn.These are handed over The folded layer of staggered floor is arranged distant from the surface of the outermost line layer of LED light source 202, and is electrically connected power supply 400.Except this it Outside, the projected length of bendable circuit soft board is greater than the length of fluorescent tube 100.

In one embodiment, LED lamp panel 200 includes bendable circuit soft board, and bendable circuit soft board sequentially has first Line layer, dielectric layer and the second line layer (not shown).The thickness of second line layer is greater than the thickness of first line layer, and/or The projected length of LED lamp panel 200 is greater than the length of fluorescent tube 100.The end region of LED lamp panel 200 extends beyond the end of fluorescent tube 100 End and do not have LED light source 202 thereon, there are two isolated perforation (not shown), this two wears the end region tool of LED lamp panel 200 Distinguish electrical communication first line layer and the second line layer in hole.This two perforation is not connected to avoid short circuit each other.

In this situation, the thicker thickness of the second line layer allows the second line layer to be able to support first line layer and dielectric Layer, moreover it is possible to make the LED lamp panel 200 for being connected to the inner peripheral surface of fluorescent tube 100 not easily moveable or deform, the good of product can be improved whereby Rate.In addition, first line layer and the second line layer electrical communication each other, so that the circuit layout of first line layer can extend downwardly The circuit layout of entire LED lamp panel 200 is completed to the second line layer.In some embodiments, first line layer connection anode And the second line layer connects cathode.Also, since circuit layout may be provided at two layers, the area and LED lamp panel 200 of each single layer Width can reduce, thus more LED lamp panels 200 can be placed on production line to improve production efficiency.Further, LED light The first line layer for exceeding 100 end of fluorescent tube and the end region of not set LED light source 202 of plate 200 and the second line layer are available The circuit layout of power supply 400 is completed, so that power supply 400 can be set up directly on the bendable circuit soft board of LED lamp panel 200.

As shown in Fig. 2, fluorescent tube 100 includes two end regions 101, two transition regions and a body zone 102, two end regions 101 In the opposite end of body zone 102, two transition regions are located between two end regions 101 and body zone 102.Two lamp caps 300 divide Two end regions 101 are not connected.End region 101 is the part that fluorescent tube 100 inside contracts radially, and end region 101 will form necking, end The bore of petiolarea 101 can be less than the bore of body zone 102.That is, working as along fluorescent tube 100 by body zone 102 to end region From the point of view of 101 length direction, fluorescent tube 100 can shrink in transition region or attenuate and have lesser diameter.The contraction or change It carefully can be continuous smooth mode (such as the angle that will form smooth curve and non-linear shape).By the shape for avoiding angle At (especially acute angle), fluorescent tube 100 is less easily damaged when being pressurized or splits.Further, the both ends of transition region include two Section curved section, wherein one section of curved section is towards the inside of fluorescent tube 100, another section of curved section is towards the outside of fluorescent tube 100.For example, Evagination is seen as by the inside of fluorescent tube 100 close to the curved section of body zone 102, and close to the curved section of end region 101 by fluorescent tube 100 inside is seen as indent.In one embodiment, the transition region of fluorescent tube 100 only includes flat curve section without including any Planar section with angle.As shown in Figure 1, the appearance of LED straight lamp 50 is consistent by fluorescent tube 100 to lamp cap 300, also It is to say that the outer surface of lamp cap 300 trims the outer surface of fluorescent tube 100.

It is referring to figure 3. the partial schematic diagram of LED straight lamp 50 with Fig. 4, Fig. 3, Fig. 4 is Fig. 3 cuing open on the direction A-A ' Face figure.The lamp cap 300 of the present embodiment further includes side wall 301, end wall 302 and hole 320.Side wall 301 is tubulose.Side wall 301 with Fluorescent tube 100 is coaxial and is connected to each other, described coaxially to mean that lamp cap 300 and fluorescent tube 100 have tolerance during fabrication, because The axle center of both this may be slightly offset, but lamp cap 300 and fluorescent tube 100 are coaxial by and large.End wall 302 is generally vertical In the axial direction of side wall 301, and end wall 302 connects the one end of side wall 301 far from fluorescent tube 100, described vertically to mean end wall 302 may be because there is tolerance during fabrication with side wall 301, therefore the two non-90 degree is vertical but slightly tilts, and this still belongs to In the vertical range.It, can common shape with side wall 301 even if end wall 302 is slightly tilted relative to the axial direction of side wall 301 At the space for power supply 400 to be arranged and lamp holder can be matched.The inside that side wall 301 and end wall 302 form lamp cap 300 is empty Between, for power supply 400 then in the inner space of lamp cap 300, hole 320 then penetrates the end wall 302, that is, lamp cap 300 Inner space can be in communication with the outside via hole 320, and gas can circulate in the inner space of lamp cap 300 through hole 320 Between the external world.Also, hole 320 facilitates pressure release, and optical inductor is configured in lamp cap 300 and is aligned hole 320, during LED straight lamp 50 is installed in lamp holder (not shown), to be used for light detecting and protection against electric shock.

Power supply 400 can be modularization kenel, such as power supply 400 can be to be integrated in integrated power module.Power supply 400 also may be used (for example, all elements of power supply 400 are all set in an ontology) and lamp is set in the form of being the single unit of integrated In one lamp cap 300 of 100 one end of pipe.Alternatively, power supply 400 can be the component of two separation (for example, the element of power supply 400 It is divided into two parts) and be respectively arranged in two lamp caps 300.Power supply 400 further includes conductive pin 410, conductive pin 410 are extended to the inside of hollow conductive pin 310 by power supply 400, and are connect with hollow conductive pin 310, in other words, power supply 400 It can pass through conductive pin 410 and hollow conductive pin 310 and be electrically connected external power supply.Hollow conductive pin 310 is set to end wall 302 Outside and along the axially extending of side wall 301.From the point of view of Fig. 4, when LED straight lamp 50 is installed on horizontal lamp holder (not shown), The axial direction of side wall 301 and horizontal direction H are generally parallel, and two hollow conductive pins 310 are on vertical direction V in same height And overlap each other, at this point, position of the hole 320 on vertical direction V can be higher than the axle center of side wall 301.

In the present embodiment, as shown in figure 4, the axial direction of hole 320 is substantially parallel to the axial direction of side wall 301.Hole herein The axial definition in hole 320 is that hole 320 is worn by the interior sidewall surface (one side positioned at the inner space of lamp cap 300) of end wall 302 Extending direction that is saturating and extending to outer side surface (positioned at extraneous one side).And in the present embodiment, hole 320 can generally be cut The interior sidewall surface (one side positioned at the inner space of lamp cap 300) of neat side wall 301.Specifically, the one of the hole wall of hole 320 Part can generally be trimmed with a part of the interior sidewall surface of side wall 301.

In the present embodiment, as shown in figure 4, in the radial direction (the vertical direction V for being substantially parallel to Fig. 4) of lamp cap 300, The periphery definition of the center (axle center of side wall 301 passes through place) of end wall 302 to end wall 302 has an end wall radius r, then hole 320 are defined as distance L with the distance between the center of end wall 302.Distance L is the 2/5 to 4/5 of end wall radius r, that is to say, that Hole 320 meets following formula relative to the position at the center of end wall 302:

0.4r≦L≦0.8r

When hole 320 meets aforesaid equation relative to the position at the center of end wall 302, LED straight lamp 50 and the external world Between gas circulation can reach preferable efficiency.

Referring to figure 5., the LED straight lamp 50 of Fig. 5 and Fig. 4 the difference is that the kenel of hole 320.In the present embodiment, As shown in figure 5, hole 320 be also possible to it is inclined.An angle, θ can be accompanied between the axial direction of hole 320 and the axial direction of side wall 301 1, this angle, θ 1 is acute angle, and the axial definition of hole 320 is that hole 320 is penetrated and prolonged by the interior sidewall surface of end wall 302 herein Extend to the extending direction of outer side surface.When LED straight lamp 50 is installed on horizontal lamp holder, the axis of fluorescent tube 100 and lamp cap 300 To horizontal direction H is substantially parallel to, hole 320 is higher than the axle center of fluorescent tube 100 and lamp cap 300 on vertical direction V.Work as power supply 400 due to running adstante febre, inclined hole 320 shown in fig. 5 be conducive to hot gas toward rise (along vertical direction V rise) During, the external world is passed to along hole 320.

Also, hole 320 can there are two.As shown in figure 5, two inclined holes 320 are generally symmetrically to set each other It sets.When LED straight lamp 50 is installed on horizontal lamp holder, fluorescent tube 100 and lamp cap 300 approximately axially on be parallel to level side To H, one of hole 320 is higher than the axle center of fluorescent tube 100 and lamp cap 300 on vertical direction V, and another hole 320 exists It is lower than the axle center of fluorescent tube 100 and lamp cap 300 on vertical direction V.Between the axial direction of this two circular cavities 320 and the axial direction of side wall 301 All accompany acute angle.When adstante febre, top hole 320 shown in fig. 5 are conducive to hot gas and rise (edge past power supply 400 due to running Vertical direction V rise) during, be passed to the external world along top hole 320, lower section hole 320 shown in fig. 5 is then advantageous The inner space of lamp cap 300 is flowed into along lower section hole 320 in extraneous cold air.So be conducive to the exchange of hot and cold air, And obtain better heat dissipation effect.

Please refer to the LED straight lamp 50 of Fig. 6, Fig. 6 and Fig. 4 the difference is that the kenel of hole 320.As shown in fig. 6, not With in embodiment, hole 320 can not be trimmed with the interior sidewall surface of side wall 301.Hole 320 compared to Fig. 4, the hole of Fig. 6 320 periphery from end wall 302 is farther out.

If the opening of hole 320 is excessive, extraneous dust may be easy to enter the inside of lamp cap 300 by hole 320 Space, and be deposited on power supply 400, to be adversely affected to whole heat dissipation effect.In order to avoid dust passes through hole 320, the radial area of hole 320 is preferably the 1/10 of the radial area for being less than end wall 302, and in the case, dust is not allowed relatively The inner space of lamp cap 300 is easily entered by hole 320.LED straight lamp 50 is by taking the standard of T8 as an example, outside fluorescent tube 100 Diameter range is 25mm to 28mm, and the outer diameter (diameter of the end wall 302 i.e. shown in Fig. 4 in vertical direction V) of lamp cap 300 is equal to fluorescent tube 100 outer diameter.If the diameter of the vertical direction V shown in Fig. 4 of end wall 302 is 25mm, end wall 302 is on vertical direction V Product is 490.625 square millimeters (i.e. equal to its radius square multiplied by 3.14), opening area of the hole 320 in vertical direction V (radial area) range then can be 0.5 square millimeter to 6 square millimeters.For example, the radial area of hole 320 is 6 square millimeters And the radial area of end wall 302 is 490.625 square millimeters, then the radial area of hole 320 is about the radial area of end wall 302 1/100.In the case, dust is just difficult to enter the inner space of lamp cap 300 by hole 320.In different embodiments, Hole 320 can be 0.5 square millimeter to 3 square millimeters in opening area (radial area) range of vertical direction V, in this feelings Under condition, dust is more difficult to enter the inner space of lamp cap 300 by hole 320.

In different embodiments, lamp cap 300 can also include Air Filter (not shown), and Air Filter, which is one layer, has many net holes Mesh.The Air Filter can coverage hole 320, for example, Air Filter to be fixed on to outer side surface or the inside of end wall 302 Wall surface makes Air Filter coverage hole 320, in this way, Air Filter also can effective blocks dust, and keep the circulation of good gas Efficiency.

Please refer to the lamp cap 300 of Fig. 7, Fig. 7 and Fig. 3 the difference is that the kenel of hole 320.In Fig. 3, hole 320 Opening shape is circle.And in the present embodiment, as shown in fig. 7, the opening shape of hole 320 also can be long and flat arc-shaped Shape, the opening shape of the hole 320 of Fig. 7 may be defined as two opposite long side 320l (arc-shaped side) and between two long side 320l Two opposite short side 320s, and between two long sides have spacing I, the shortest distance of the spacing I between two long side 320l.? Under this situation, the short many of length of the spacing I of hole 320 relative to its long side 320l, therefore, even if the hole 320 of Fig. 7 Spacing I be equal to or slightly less than Fig. 3 hole 320 opening diameter (i.e. aperture), the opening area of the hole 320 of Fig. 7 The opening area of the hole 320 of Fig. 3 can be still greater than.In this way, which the hole 320 of Fig. 7 not only can effectively prevent most ash Dirt passes through, simultaneously because its opening area is larger, moreover it is possible to keep preferable gas circulation efficiency.In one embodiment, hole 320 The distance of spacing I is between 0.5mm between 1.5mm, and the length of the long side 320l of hole 320 is between 1mm between 7mm.

In different embodiments, the quantity, shape of hole 320, position or configuration mode can make different set as needed Meter is described in detail as after.

Please refer to the lamp cap 300 of Fig. 8, Fig. 8 and Fig. 7 the difference is that the quantity and kenel of hole 320, in the present embodiment In, there are two the holes 320 of Fig. 8, and the two holes 320 are generally mutually symmetrical.Two symmetrical holes shown in Fig. 8 320 are conducive to hot and cold air exchange, so can reach preferable gas circulation efficiency, and obtain better heat dissipation effect.

Please refer to the lamp cap 300 of Fig. 9, Fig. 9 and Fig. 7 the difference is that the quantity and kenel of hole 320, in the present embodiment In, there are two the holes 320 of Fig. 9, and the two holes 320 are adjacent to each other.Fig. 9 any hole 320 short side spacing still In the case where the short side spacing for roughly corresponding to the hole 320 of Fig. 7, the opening area of two adjacent holes 320 of Fig. 9 Summation can be greater than the opening area of the single hole 320 of Fig. 7, be designed in this way and be conducive to gas circulation, but it is saturating to remain to reduction dust Spend a possibility that hole 320 enters lamp cap 300.

Please refer to the lamp cap 300 of Figure 10, Figure 10 and Fig. 9 the difference is that the quantity and kenel of hole 320.In the present embodiment In, the hole 320 of Figure 10 has two groups, and each group has two adjacent holes 320, and two groups of holes 320 are to be mutually symmetrical.Such as This design is conducive to gas circulation and hot and cold air exchange, can also reduce the possibility that dust enters lamp cap 300 through hole 320 Property.

Please refer to the lamp cap 300 of Figure 11, Figure 11 and Fig. 9 the difference is that the kenel of hole 320, each hole 320 of Fig. 9 Opposite two short sides there is fillet, in the present embodiment, opposite two short sides of each hole 320 of Figure 11 are then right angle.It please join According to Figure 12, Figure 12 and Figure 10 lamp cap 300 the difference is that the kenel of hole 320, opposite the two of each hole 320 of Figure 10 Short side has fillet, and in the present embodiment, opposite two short sides of each hole 320 of Figure 12 are then right angle.In different embodiments In, the opening shape of hole 320 can also be elongated straight strip.

Please refer to the lamp cap 300 of Figure 13, Figure 13 and Fig. 3 the difference is that the quantity and kenel of hole 320.In the present embodiment In, the lamp cap 300 of Figure 13 includes multiple holes 320, these holes 320 be most, and to be open be circular hole, and is not right It is distributed on end wall 302 with claiming.Referring to Fig. 3 and Figure 13, when LED straight lamp 50 is installed on horizontal lamp holder, fluorescent tube 100 with lamp cap 300 approximately axially on be parallel to horizontal direction H, these holes 320 of Figure 13 at least one of can be in lead It is higher than the axle center of fluorescent tube 100 and lamp cap 300 on vertical direction V.In the present embodiment, these holes 320 of Figure 13 are in vertical direction V On all can be higher than fluorescent tube 100 and lamp cap 300 axle center.In different embodiments, it is symmetrically distributed in the hole on end wall 302 320 opening also can be other shapes, such as oblong, also, these holes 320 at least one of at least part Opening can be higher than the axle center of fluorescent tube 100 and lamp cap 300 on vertical direction V.

Please refer to the lamp cap 300 of Figure 14, Figure 14 and Figure 13 the difference is that quantity, configuration and the kenel of hole 320.At this In embodiment, the lamp cap 300 of Figure 14 includes multiple holes 320, and it is in symmetrical that these holes 320, which are with the axle center of lamp cap 300, The heart is distributed on end wall 302 in a manner of point symmetry around the axle center of lamp cap 300.

Please refer to the LED straight lamp 50 of Figure 15, Figure 15 and Fig. 4 the difference is that the kenel of power supply 400 and hole 320.Figure 15 power supply 400 includes power supply circuit board 420 and one or more electronic components 430, and power supply circuit board 420 includes relative to each other And parallel the first face 421 and the second face 422.First face 421 of power supply circuit board 420 is generally perpendicular to the second face 422 The axial direction of side wall 301, the second face 422 of power supply circuit board 420 relative to the first face 421 close to the end wall 302 of lamp cap 300, and At least part of power supply 400 is located on the lamp cap 300.Electronic component 430 is set to the first face of power supply circuit board 420 421.Electronic component 320 is, for example, capacitor.

In the present embodiment, as shown in figure 15, the inner sidewall of the second face 422 contact end wall 302 of power supply circuit board 420 Face.Also, the conductive pin 410 (not showing in Figure 15) of power supply 400 directly can penetrate hollow conductive pin by power supply circuit board 420 Among 310；Alternatively, hollow conductive pin 310 can directly contact the correspondence contact on the second face 422 of power supply circuit board 420.Separately Outside, freedom portion 210 is then connected to the first face 421 of power supply circuit board 420.In different embodiments, power supply circuit board 420 Second face 422 can not also contact the interior sidewall surface of end wall 302, but the second face 422 of power supply circuit board 420 and end wall 302 Certain spacing is separated between interior sidewall surface, the interval between power supply circuit board 420 and end wall 302 is conducive to the stream of gas It is logical.In addition, freedom portion 210 connects the second face 422 (not shown) of power supply circuit board 420.

In the present embodiment, as shown in figure 15, the second face 422 of power supply circuit board 420 completely attaches to the interior of end wall 302 Side wall surface, and coverage hole 320.Whereby, heat caused by power supply circuit board 420 can be directly cold with the external world through hole 320 Air carries out heat exchange, reaches good heat dissipation effect.Also, hole is completely covered in the second face 422 of power supply circuit board 420 In the case where 320, the inner space that dust can be stopped by power supply circuit board 420 without entering lamp cap 300 through hole 320, Therefore, the opening area of the hole 320 of Figure 15 can be greater than the opening area of the hole 320 of Fig. 4.

In different embodiments, when lamp cap 300 does not have hole 320,422 contact jaw of the second face of power supply circuit board 420 The interior sidewall surface of wall 302.At this point, end wall 302 may include the material of high-termal conductivity.Such as end wall 302 be composite material manufactured by, It is insulating materials in place of wherein end wall 302 is equipped with hollow conductive pin 310, and the rest part of end wall 302 is then aluminium, whereby, electricity Heat caused by source circuit plate 420 can be directly transferred to the part of the aluminium of end wall 302, then through end wall 302 aluminium part with Extraneous cold air carries out heat exchange, reaches good heat dissipation effect.In different embodiments, hole 320 is also readily modified as setting In on side wall 301, so that the hole 320 on side wall 301 can be in vertical side when LED straight lamp 50 is installed on horizontal lamp holder It is higher than the axle center of fluorescent tube 100 and lamp cap 300 on V.

Please refer to the LED straight lamp 50 of Figure 16, Figure 16 and Figure 15 the difference is that the power supply 400 of Figure 16 further includes heat dissipation Element or drive module 440.Heat dissipation element or drive module 440 are set to the second face 422 of power supply circuit board 420, and the member that radiates Part or drive module 440 extend in hole 320.In one embodiment, heat dissipation element 440a is metal heat-conducting tube or heat conduction fin Piece, heat caused by the electronic component 430 on power supply circuit board 420 can be conducted to heat dissipation element 440a whereby, then through heat dissipation The cold air in 300 external world element 440a and lamp cap carries out heat exchange, reaches good heat dissipation effect.Since drive module 440b is Main heating source in the electronic component of power supply 400, therefore, by (the general electronic component of general electronic component 430 in electronic component 430 heat production is less relative to drive module 440b) it is provided separately with drive module 440b, be conducive to improve heat dissipation effect.Example Such as, general electronic component 430 is set to the first face 421 of power supply circuit board 420, and the drive module 440b that heat production is relatively high Then set on the second face 422 of power supply circuit board 420 and close to an at least hole 320.Heat dissipation element or drive module 440 can be set to In hole 320, whereby, heat caused by heat dissipation element or drive module 440 can be carried out directly with the extraneous cold air of lamp cap 300 Heat exchange reaches good heat dissipation effect.Wherein, drive module 440b include inductance, transistor or integrated circuit etc. one or The relatively high electronic component of multiple specific heat production, thus inductance, transistor or integrated circuit can be set to hole 320 in favor of Improving radiating effect.

In different embodiments, multiple heat dissipation elements of power supply 400 or drive module 440 can be respectively arranged on multiple holes In 320.For example, inductance, transistor and integrated circuit can be located separately in multiple holes 320；Alternatively, the multiple of power supply 400 dissipate Warmware, inductance, transistor and integrated circuit can be located separately in multiple holes 320.

Please refer to Figure 16 and Figure 17, Figure 16 and Figure 17's the difference is that heat dissipation element or drive module 440 and hole 320 it Between, whether what it is in hole 320 is in the radial direction closely sealed.(this example is heat dissipation element to the heat dissipation element or drive module 440 of Figure 16 440a) with hole 320 in the radially closely sealed each other of hole 320, that is to say, that heat dissipation element or drive module 440 are radially Section shape and the lucky hole 320 of size opening shape in the radial direction it is complementary with size.In one embodiment, it radiates Element or at least one element of drive module 440 and at least one hole 320 described hole 320 radially each other substantially It is closely sealed.And the heat dissipation element or drive module 440 (this example is drive module 440b) and hole 320 of Figure 17 is in the diameter of hole 320 It is upward then there is gap " G ", therefore when heat dissipation element or drive module 440 are located in hole 320, outside air still can be freely Through gap " G " flow into hole 320 in.Wherein, heat dissipation element or drive module 440 and hole 320 radially it is closely sealed not Equal to airtight effect is reached, may still there be naked eyes difficulty between the heat dissipation element or drive module 440 and hole 320 of Figure 16 and see Gap, but the gap under such state is very less than the gap of Figure 17 " G ", and can largely hinder cool ambient air stream Enter hole 320.

Please refer to the LED straight lamp 50 of Figure 18, Figure 18 and Fig. 4 the difference is that the kenel of power supply 400.The power supply of Figure 18 400 include power supply circuit board 420, one or more electronic components 430 and heat dissipation element or drive module 440.Power supply circuit board 420 include the first face 421 and the second face 422 relative to each other and generally parallel, and the first face 421 of power supply circuit board 420 The axial direction of side wall 301 is substantially parallel to the second face 422.Electronic component 430 and heat dissipation element or (this example of drive module 440 It is drive module 440b) all on the first face 421 of power supply circuit board 420, also, 440 phase of heat dissipation element or drive module For electronic component 430 close to hole 320.In one embodiment, heat dissipation element 440a be metal heat-conducting tube or thermally conductive fin, by Heat caused by this power supply circuit board 420 can be conducted to heat dissipation element 440a, and heat dissipation element 440a is relative to electronic component 430 Closer hole 320, is conducive to heat dissipation element 440a and cool ambient air carries out heat exchange, reaches good heat dissipation effect.? In one embodiment, drive module 440b is relative to (the heat production general electricity less relative to drive module 440b of electronic component 430 Subcomponent 430) closer hole 320, be conducive to heat caused by drive module 440b and cool ambient air carries out heat exchange, reaches To good heat dissipation effect.Wherein, drive module 440b includes the more particular electronic component of one or more heat production.The spy Determining electronic component includes inductance, transistor or integrated circuit, therefore inductance, transistor or integrated circuit can be relative to general electronics Element 430 is close to hole 320, in favor of improving radiating effect.

Figure 19 is please referred to, Figure 19 is the partial schematic diagram that LED straight lamp 50 is mounted on lamp holder 60.The LED straight lamp of Figure 19 50 include integrated structure, and a part of integrated structure is set to the integrated structure of the end region 101 of fluorescent tube 100 and another part Set on lamp cap 300, fluorescent tube 100 and lamp cap 300 can pass through integrated structure and be connected to each other.The integrated structure includes being set to side wall Second screw thread 1001 of 301 the first screw thread 3001 and the end region 101 for being set to fluorescent tube 100, the first screw thread 3001 are located at side wall 301 interior sidewall surface and it is located at the one end of side wall 301 far from end wall 302, the second screw thread 1001 is located at the end region of fluorescent tube 100 101 outer side surface and open end (i.e. the opposite end of fluorescent tube 100) close to fluorescent tube 100, the first screw thread 3001 correspond to the Two screw threads 1001, lamp cap 300 can pass through the first screw thread 3001 and 1001 pairs of the second screw thread revolve and connecting tube 100.By described Integrated structure, lamp cap 300 are assembled on fluorescent tube 100 or are disassembled by fluorescent tube 100 in which can be convenient.

As shown in figure 19, in the present embodiment, (namely when 1001 pairs of the first screw thread 3001 and the second screw thread screw When fluorescent tube 100 is suitably assembled in lamp cap 300), hole 320 can be rotated by rotation center of the axle center of fluorescent tube 100 to pre-determined bit It sets.Specifically, the predetermined position is meant, when lamp holder 60 is horizontal or substantially horizontal setting, and LED straight lamp 50 When being horizontally installed to lamp holder 60, the axial direction of fluorescent tube 100 and lamp cap 300 can be substantially parallel to horizontal direction H, and 320 institute of hole Predetermined position can on vertical direction V be higher than tube wall 302 axle center.

As shown in figure 19, in the present embodiment, the integrated structure further includes the first positioning unit set on side wall 301 3002 be set to fluorescent tube 100 end region 101 the second positioning unit 1002.It is fixed that first positioning unit 3002 corresponds to second Bit location 1002.When 1001 pairs of the first screw thread 3001 and the second screw thread screw, the first positioning unit 3002 can match second Positioning unit 1002, so that fluorescent tube 100 and lamp cap 300 are mutually positioning.In the present embodiment, the first positioning unit 3002 is recessed Concave point in the interior sidewall surface of side wall 301, the second positioning unit 1002 are the outside for being convexly equipped in the end region 101 of fluorescent tube 100 The salient point of wall surface.When 1001 pairs of the first screw thread 3001 and the second screw thread screw, the salient point of the second positioning unit 1002 can block In the concave point for entering the first positioning unit 3002, so that LED straight lamp 50 be made to generate positioning and fixed effect.Also, when first Positioning unit 3002 and the second positioning unit 1002 can issue the slight sound or vibration when engaging with each other.Whereby, in LED straight tube Lamp cap 300 is revolved through 1001 pairs of the first screw thread 3001 and the second screw thread and is assembled on fluorescent tube 100 by the assembler of lamp 50 In the process, once the first positioning unit 3002 and the second positioning unit 1002 match each other and (engage with each other) and issue the sound or shake Dynamic, assembler can learn that lamp cap 300 has been suitably assembled on fluorescent tube 100 at this time at once, and movement of stopping rotating in time. Therefore, packaging efficiency is promoted.

In different embodiments, the first positioning unit 3002 is also possible to salient point, and the second positioning unit 1002 then can be with It is concave point.In different embodiments, the first positioning unit 3002 and the second positioning unit 1002 can be located separately lamp cap 300 and lamp Different location on the end region 101 of pipe 100, as long as when the first positioning unit 3002 matches each other with the second positioning unit 1002 When position can correspond to the state that lamp cap 300 has been properly assembled on fluorescent tube 100.

As shown in figure 19, it is by the mode that LED straight lamp 50 is installed on lamp holder 60, first by the hollow conductive pin of lamp cap 300 Conductive trough 61 on 310 insertion lamp holders 60, then using the axle center of fluorescent tube 100 and lamp cap 300 as rotation center to further rotate LED straight Spot 50 makes hollow conductive pin 310 rotate to specific position in conductive trough 61, then completes to install.

In the present embodiment, the torque value of required application is big when the first screw thread 3001 being screwed with 1001 Duis of the second screw thread It is required (when hollow conductive pin 310 namely being allowed to rotate in conductive trough 61) when LED straight lamp 50 is installed on lamp holder 60 to apply The torque value added.In other words, between the first screw thread 3001 and the second screw thread 1001 for completing the LED straight lamp 50 of composition Frictional force can be greater than the frictional force between the hollow conductive pin 310 and conductive trough 61 for completing the LED straight lamp 50 of installation.One In embodiment, the frictional force between the first screw thread 3001 and the second screw thread 1001 is at least more than hollow conductive pin 310 and conductive trough One times of frictional force between 61.When by mounted LED straight lamp 50 by disassembling on lamp holder 60, need first to make sky The counter-rotating in conductive trough 61 of heart conductive pin 310 then extracts LED straight lamp 50 out lamp holder 60 and (namely will to specific position Hollow conductive pin 310 can be by extracting in conductive trough 61).Due to the frictional force between the first screw thread 3001 and the second screw thread 1001 Greater than the frictional force between hollow conductive pin 310 and conductive trough 61, therefore when hollow conductive pin 310 inversely revolves in conductive trough 61 When turning, the relative position of the first screw thread 3001 and the second screw thread 1001 can remain fixed.In this way, by LED straight lamp 50 During disassembling on lamp holder 60, lamp cap 300 can avoid by the situation of accidental release on fluorescent tube 100.

0, Figure 20 is that LED straight lamp 50 is mounted on the partial schematic diagram of lamp holder 60 referring to figure 2., and Figure 20 and Figure 19 The difference of LED straight lamp 50 is the integrated structure.As shown in figure 20, the integrated structure includes the ring set on side wall 301 The annular groove 1003 of shape protrusion 3003 and the end region 101 for being set to fluorescent tube 100.Annular protrusion 3003 is convexly equipped in side wall 301 Interior sidewall surface and it is located at the one end of side wall 301 far from end wall 302, annular groove 1003 is recessed in the end region of fluorescent tube 100 101 Outer side surface.Annular protrusion 3003 corresponds to annular groove 1003, and lamp cap 300 can pass through annular protrusion 3003 and annular groove 1003 pairs embedding and connecting tube 100.When annular protrusion 3003 and annular groove 1003 each other to it is embedding after, fluorescent tube 100 and lamp cap 300 be to be rotatably connected to each other.Specifically, annular protrusion 3003 can slide among annular groove 1003, jointly, Fluorescent tube 100 and lamp cap 300 have through annular protrusion 3003 and annular groove 1003 with the axle center of fluorescent tube 100 and lamp cap 300 The freedom degree of relative rotation is carried out for rotation center.

As shown in figure 20, in the present embodiment, the integrated structure further includes the first positioning unit set on side wall 301 3002 with the second positioning unit 1002 of the end region 101 for being set to fluorescent tube 100, wherein the first positioning unit 3002 is positioned with second The structure of unit 1002 is with function as previously mentioned, repeating no more in this.Although fluorescent tube 100 and lamp cap 300 penetrate annular protrusion 3003 are rotatably connected to each other with annular groove 1003 to embedding, but when fluorescent tube 100 and lamp cap 300 rotate relative to one another to When specific position, the first positioning unit 3002 can match the second positioning unit 1002 (for example, the first positioning unit 3002 is recessed The salient point of point and the second positioning unit 1002 engages with each other), it can so make fluorescent tube 100 and lamp cap 300 mutually positioning and fixed.It is logical The integrated structure is crossed, lamp cap 300 is assembled on fluorescent tube 100 or is disassembled by fluorescent tube 100 in which can be convenient.

As shown in figure 20, in the present embodiment, end region 101 of the fluorescent tube 100 for connecting lamp cap 300 is interior radially Contracting.The amplitude (body zone 102 and the segment difference in the radial direction of end region 101) that end region 101 inside contracts is equivalent to the side wall of lamp cap 300 301 thickness.Therefore, when lamp cap 300 and fluorescent tube 100 are connected to each other, the outer side surface of the side wall 301 of lamp cap 300 can be trimmed The outer side surface of fluorescent tube 100.

In different embodiments, annular groove 1003 can be changed to be set on side wall 301, and annular protrusion 3003 is then changed to On the end region of fluorescent tube 100 101.Also, the integrated structure may also include hot melt adhesive, and hot melt adhesive can be set to fluorescent tube 100 Between the junction of lamp cap 300 (such as between the end region 101 and side wall 301 of fluorescent tube 100).When assembler will carry out When the assembling operation of fluorescent tube 100 and lamp cap 300, the integrated structure can be first penetrated by lamp cap before hot melt adhesive ot-yet-hardened 300 are assembled on fluorescent tube 100.Heat is heated and absorbed after expansion in hot melt adhesive, hot melt adhesive can flow, and can then consolidate after cooling down Change, therefore lamp cap 300 and fluorescent tube 100 can be combined together (not shown).When hot melt adhesive is by room temperature (15 to 30 degree about Celsius) When being heated to about Celsius 200 to 250 and spending, the volume of hot melt adhesive can be expanded to about 1.3 times of script size.Lamp cap 300 and fluorescent tube 100 end can pass through hot melt adhesive and be fixed to one another, to be enough about 1.5 to 5 Newton meter of load (Nt-m) in torsional moment test Torque and/or be enough the torque of load about 5 to daNm (Nt-m) in bend test.In the heating of hot melt adhesive and solid In change, the heat inside lamp cap 300 will increase with pressure, and can be shed and be released by an at least hole 320 for lamp cap 300.To heat After melten gel solidification, lamp cap 300 can be more firmly secured on fluorescent tube 100.In this situation, unless hot melt adhesive penetrates Specific program reverts to liquid, and otherwise lamp cap 300 is difficult to separate with fluorescent tube 100, can so take into account LED straight lamp 50 and exist Convenience that group is loaded into and assembling after robustness.

1, Figure 21 is the partial schematic diagram that LED straight lamp 50 is mounted on inclined lamp holder 60 referring to figure 2..In different implementations In example, LED straight lamp 50 also tiltable or vertical is installed on inclination or vertical lamp holder 60.In the present embodiment, as schemed Shown in 21, lamp holder 60 is inclined, therefore after LED straight lamp 50 is installed on this lamp holder 60, the axle center of LED straight lamp 50 with Horizontal direction H can accompany an acute angle.In the state of after LED straight lamp 50 is installed on lamp holder 60 to tilt, the hole of lamp cap 300 Hole 320 can still be higher than the axle center of LED straight lamp 50 on vertical direction V, be conducive to the promotion of heat dissipation effect.

2, Figure 23 and Figure 24 referring to figure 2., Figure 22 are that the part of the LED straight lamp 50 of an embodiment of the present invention shows It is intended to, Figure 23 is fragmentary cross-sectional view of the Figure 22 in the direction B-B ', and Figure 24 is the fragmentary cross-sectional view of Figure 22, wherein eliminating lamp cap 300 part component.The lamp cap 300 of the lamp cap 300 and Fig. 3 of Figure 22-24 the difference is that the kenel of hole 320, also, scheme The lamp cap 300 of 22-24 further includes two vertical ribs 330, and vertical ribs 330 are the power supply circuit boards for fixed power source 400 420.Therefore, the power supply circuit board 420 of the power supply 400 of Figure 22-24 can be according to the shape of vertical ribs 330 and relative to lamp cap 300 have different relative positions.

As shown in figure 22, in the present embodiment, the opening shape of hole 320 is arch, the size of hole 320 and position pair It should be in two vertical ribs 330, if that is, being seen from hole 320 into lamp cap with the generally horizontal axially direction in lamp cap 300 300 inside can see two vertical ribs 330.Further, two vertical ribs 330 are set to the inner sidewall of side wall 301 On face, and two vertical ribs 330 are spaced each other and along the axially extending of side wall 301.Wherein, vertical ribs 330 are generally vertical The plane where power supply circuit board 420 in power supply 400, in other words, if from the point of view of with the radial section of lamp cap 300, two is vertical Rib 330 is the side for vertically standing on the power supply circuit board 420 of power supply 400.If being illustrated with Figure 23, when LED straight lamp 50 When horizontally disposed, lamp cap 300 approximately axially on be parallel to horizontal direction H, and vertical ribs 330 are then by the inside of side wall 301 Wall surface extends and connected to the power supply circuit board 420 of power supply 400 along vertical direction V.

As shown in Figure 23 and Figure 24, vertical ribs 330 include the first side 331, second side 332 and third side 333, and first Side 331 and second side 332 are opposing one another, and second side 332 relative to the first side 331 close to hole 320, third side 333 is separate Side wall 301 and between the first side 331 and second side 332, third side 333 connect the power supply circuit board 420 of power supply 400.The The connection type of three sides 333 and the power supply circuit board 420 of power supply 400 can fix for gluing or trip is fixed, but be not limited to This.

In the present embodiment, as shown in figs. 22-24, most short between the third side 333 and side wall 301 of vertical ribs 330 Distance be along side wall 301 it is axial towards end wall 302 decrescence.If being illustrated with Figure 23, the shortest distance is meant, vertically Height of any point on H on vertical direction V relative to side wall 301 in the horizontal direction of rib 330.Also, the vertical rib The height of item 330 can along side wall 301 it is axial towards end wall 302 decrescence, that is to say, that vertical ribs 330 relative to side wall 301 Height gradually lowered by its first side 331 to second side 332, therefore the axial direction of the extending direction of third side 333 and lamp cap 300 An acute angle can be pressed from both sides, correspondingly, the power supply circuit board 420 for being connected to the power supply 400 of third side 333 can also tilt.If being come with Figure 23 Illustrate, the power supply circuit board 420 of power supply 400 is by the side of proximal end wall 302 and its other side far from end wall 302 in vertical direction Height on V is different, and the power supply circuit board 420 of power supply 400 can be higher than the power supply of power supply 400 by the side of proximal end wall 302 Side of the circuit board 420 far from end wall 302, also, the power supply circuit board 420 of power supply 400 is also opposite by the side of proximal end wall 302 In its other side closer to hole 320.In this case, hot gas caused by power supply 400 can be along the inclined direction of power supply 400 The external world for rising and being passed to by hole 320 lamp cap 300, is conducive to the promotion of heat dissipation effect.

Referring to figure 2. the lamp cap 300 of the lamp cap 300 and Figure 22-24 of 5, Figure 25 the difference is that the type of vertical ribs 330 State.The shortest distance between the third side 333 and side wall 301 of the vertical ribs 330 of Figure 25 is along the axial towards end of side wall 301 Wall 302 is cumulative, that is to say, that the height relative to side wall 301 of vertical ribs 330 is by its first side 331 to second side 332 It gradually increases.In this case, it is connected to the power supply circuit board 420 of the power supply 400 of the third side 333 of vertical ribs 330, is leaned on The side of proximal end wall 302 can be lower than its other side far from end wall 302.Such design is conducive to the cold sky extraneous in lamp cap 300 Gas is entered the inner space of lamp cap 300 by hole 320, and is conducive to hot and cold air exchange.

Referring to figure 2. the lamp cap 300 of the lamp cap 300 and Figure 22-24 of 6, Figure 26 the difference is that the type of vertical ribs 330 State, in addition to this, the power supply 400 of Figure 26 further include power supply circuit board 420.In different embodiments, power supply 400, which may also include, sets In the power module on power supply circuit board 420 or may include electronic component 430 on the power supply circuit board 420 and one or Multiple heat dissipation elements or drive module 440.In different embodiments, power supply 400 can be modular kenel (i.e. power supply circuit board 420 are integrated in one with electronic component).

As shown in figure 26, in the present embodiment, power supply 400 further includes the electronic component 430 on power supply circuit board 420 With heat dissipation element or drive module 440.Specifically, power supply circuit board 420 includes opposite the first face 421 and the second face 422, Electronic component 430 and heat dissipation element or drive module 440 are set to the first face 421, and the second face 422 then with vertical ribs 330 Third side 333 is connected to each other.In the present embodiment, the height relative to side wall 301 of vertical ribs 330 is by its first side 331 It is maintained unanimously to second side 332, correspondingly, the power supply circuit board 420 for being connected to third side 333 is then horizontal rather than inclined shape State.Heat dissipation element or drive module 440 can be radiating piece, inductance, transistor or integrated circuit, and heat dissipation element or driving mould 440 opposing electronic element 430 of block is closer to hole 320.In addition to this, vertical ribs 330 make the second face of power supply circuit board 420 Maintain certain spacing between 422 and side wall 301, and vertical ribs 330 are from the first side 331 to the extending direction of second side 332 It is directed towards hole 320.In this way, which the space for allowing gas to flow can be maintained between power supply 400 and side wall 301, and hot gas Also it is easy to be passed to the external world via hole 320 from lamp cap 300.

7, Figure 28 and Figure 29 referring to figure 2., Figure 27 be with generally level from the point of view of the axially direction of lamp cap 300 to lamp First 300, Figure 28 is the radial cutaway view of lamp cap in Figure 27, and Figure 29 is stator of the motor of the Figure 27 on the direction C-C '.Figure 27-29 and Figure 26's the difference is that, the lamp cap 300 of Figure 27-29 further includes two horizontal ribs 340, also, the power supply of Figure 27-29 400 be modular form.

As previously mentioned, the opening shape of hole 320 is arch, the size of hole 320 and position correspond to two vertical ribs 330, specifically, the projection of two vertical ribs 330 can be located at the projection of hole 320 on the axis projection face of side wall 301 Inside, in other words, as shown in figure 27, when the axial direction along lamp cap 300 sees into hole 320, it can be seen that two vertical ribs Item 330 can all be located in the opening range of hole 320.In this way, allow gas between two vertical ribs 330 and power supply 400 The space of flowing can correspond to hole 320, be conducive to the promotion of heat dissipation effect.

In the present embodiment, as can be seen in figures from 27 to 29, two horizontal ribs 340 are set in the interior sidewall surface of side wall 301, two water Flat rib 340 is spaced each other and along the axially extending of side wall 301.Each horizontal rib 340 is long and flat shape, and two water Flat rib 340 is opposite to each other and symmetrical.Two horizontal ribs 340 can correspond respectively to two vertical ribs 330, and power supply 400 is then sandwiched in Between vertical ribs 330 and horizontal rib 340.That is, the side of the power supply circuit board 420 of power supply 400 connects vertical rib Item 330, and the other side of the power supply circuit board 420 of power supply 400 connects horizontal rib 340.Vertical ribs 330 and horizontal rib 340 work in coordination, and can more securely clamp the power supply circuit board 420 of simultaneously fixed power source 400.

Referring to figure 3. 0, Figure 30 and Figure 29's the difference is that, the horizontal rib 340 of Figure 29 is whole piece, and the water of Figure 30 Flat rib 340 then has the part disconnected.Specifically, the horizontal rib 340 of Figure 30 includes the first flank 341, the second flank 342 with disconnect mouth 343, disconnect mouth 343 between the first flank 341 and the second flank 342, that is to say, that the first flank 341 It can be spaced each other because mouth 343 is disconnected with the second flank 342.Disconnecting mouth 343 can allow gas to circulate, and be conducive to heat dissipation effect Promotion.

In addition to this, the difference of Figure 30 and Figure 29 also resides in, and the lamp cap 300 of Figure 30 further includes baffle plate 350, baffle plate 350 are set in the interior sidewall surface of side wall 301, and baffle plate 350 is spaced each other in the axial direction of side wall 301 with end wall 302.Its In, the power supply circuit board 420 of power supply 400 is towards the side contact stop plate 350 of end wall 302.Pass through baffle plate 350, power supply 400 Power supply circuit board 420 and end wall 302 between can keep gap, this gap can allow gas to circulate, and be conducive to mentioning for heat dissipation effect It rises.

Referring to figure 3. the lamp cap 300 in 1, Figure 31 and Figure 29 the difference is that, the horizontal rib 340 of Figure 29 is one whole Piece, and the horizontal rib 340 of Figure 31 then has aperture.Specifically, each horizontal rib 340 of Figure 31 includes multiple water conservancy diversion Hole 344, deflector hole 344 is through horizontal rib 340 and is arranged in horizontal rib 340.Deflector hole 344 can allow gas to circulate, and have Conducive to the promotion of heat dissipation effect.

Referring to figure 3. the LED straight lamp 50 of 2, Figure 32 and Fig. 1-4 the difference is that the electricity of LED lamp panel 200 and power supply 400 The relativeness of source circuit plate 420.The plane that the plane and power supply 400 that the LED lamp panel 200 of Fig. 1-4 is located at are located at is substantially On be it is parallel to each other, the power supply circuit board 420 of plane that the LED lamp panel 200 of Figure 32 is located at and power supply 400 is located at flat Face is not then parallel to each other.Specifically, as shown in figure 32, LED lamp panel 200 is located on the first plane P1, the electricity of power supply 400 Source circuit plate 420 is located on the second plane P2, and the first plane P1 and the second plane P2 are substantially parallel to the axial direction of fluorescent tube 100, And first plane P1 and the second plane P2 accompany angle, θ 2, angle, θ 2 is greater than 0 degree and less than or equal to 90 degree.In other words, with lamp The axle center of pipe 100 is from the point of view of rotation center, the power supply circuit board 420 of power supply 400 is relative to the rotation angle of LED lamp panel 200 The plane that the power supply circuit board 420 of angle, θ 2, the plane being located at by LED lamp panel 200 and power supply 400 is located at is interlaced with each other And nonparallel structure can when LED lamp panel 200 flows to lamp cap 300 by fluorescent tube 100 with hot gas caused by LED light source 202 To smoothly pass over power supply 400 staggered with LED lamp panel 200, and the external world is further flowed to by hole 320, is conducive to heat dissipation effect The promotion of fruit.

Referring to figure 3. the lamp cap 300 of 3, Figure 33 and Fig. 1-4 the difference is that the kenel of hole 320.The hole 320 of Figure 33 Positioned at the center of end wall 302, but not limited to this.In the assembling process of LED straight lamp 50, assembler is needed two lamp caps 300 are assembled into the both ends of fluorescent tube 100.If one of lamp cap 300 has been assembled to wherein one end of fluorescent tube 100, and another lamp First 300 when being just assembled into the other end of fluorescent tube 100, since the inside of fluorescent tube 100 at this time belongs to closing or approximate closed space, The gas for being present in the inner space of fluorescent tube 100 and lamp cap 300 can make internal pressure increase because of being compressed.Work as inside When pressure increase, assembler needs that lamp cap 300 could be assembled on fluorescent tube 100 using bigger strength, so will cause The difficulty that group is loaded onto.And the hole 320 of Figure 33 then can be used as pressure-releasing hole, during lamp cap 300 is assembled into fluorescent tube 100, deposit It is that fluorescent tube 100 and the gas of the inner space of lamp cap 300 can be released by hole 320, makes the inside of fluorescent tube 100 Yu lamp cap 300 Pressure remained constant is so conducive to the assembling operation of LED straight lamp 50, and efficiency when assembled can be improved.On the other hand, if lamp First 300 become with the pressure meeting inside lamp cap 300 because of the reduction of temperature without any hole, the fluorescent tube 100 of LED straight lamp 50 At negative pressure, the hole 320 as relief passage allows extraneous gas to may flow into fluorescent tube 100 and makes fluorescent tube 100 and lamp with lamp cap 300 First 300 internal pressure can remain constant (equal with the external pressure of lamp cap 300 with fluorescent tube 100), thus in LED straight lamp 50 Disassembly process in, lamp cap 300 can be convenient by being disassembled on fluorescent tube 100.

In addition to this, when LED straight lamp 50 works, internal electronic component can generate thermal energy, make LED straight lamp 50 internal temperature increases.According to ideal gas equation, when the temperature increases, gas volume inside LED straight lamp 50 with The product of pressure will increase, if but gas when being the inside for being closed in fluorescent tube 100 and lamp cap 300, this indicates the volume of gas Be it is fixed, therefore, as gas temperature increases, pressure also be will increase, this indicate when LED straight lamp 50 continues working, Internal electronic component needs to bear high temperature and high pressure for a long time, will so reduce the service life of electronic component.And the hole of Figure 33 Hole 320 then has the function of discharge, that is to say, that when the gas temperature inside LED straight lamp 50 increases, the gas of expansion can It is released by hole 320, so can effectively reduce the pressure inside LED straight lamp 50.

Power supply in other aspects for can be power conversion module/circuit or power module, it includes art technologies The ordinary meaning that personnel recognize ＂ power supply ＂ this term, including alternating voltage is converted into DC voltage and supplies electricity to LED Or the circuit of LED module.＂ power supply ＂ referred to herein refers to it by the alternating current line of force (AC powerline) or ballast (ballast) external signal transmitted supplies electricity to LED module.These different terms such as ＂ power conversion module/circuit ＂ and ＂ Power module ＂, can be used in herein or in following continuous application case to represent ＂ power supply ＂.

As there is any term to conflict in present application with the term in any application case of present application institute CLAIM OF PRIORITY, Or the term conflict in cited priority application case combined with present application should be with this Shen then when explaining claim It please be used in case and subject to the term of definition.

Although the utility model about LED straight lamp has been disclosed in a manner of example and preferred embodiment as above, answer What is understood is that the utility model is not limited in revealed embodiment.Anyone skilled in the art are not departing from this reality It in novel spirit and scope, can make various changes or modifications, therefore the protection scope of the utility model should be with right It is required that subject to limited range.

Claims

1. a kind of LED straight lamp, which is characterized in that the LED straight lamp includes:

Fluorescent tube；

Two lamp caps are respectively arranged on the opposite end of the fluorescent tube；

Power supply, including power supply circuit board are set in one or two lamp caps；And

LED lamp panel is set in the fluorescent tube, and the LED lamp panel is equipped with multiple LED light sources, the LED light source and the power supply Between be electrically connected by the LED lamp panel；

The lamp cap includes side wall and end wall, and the side wall is tubulose, the end wall perpendicular to the side wall axial direction, it is described An at least hole is set on end wall, and described hole is connected to the lamp cap inner space with outside, and the axial direction of described hole is flat Row is in the side wall；

The lamp cap further includes baffle plate, and the baffle plate is set in the interior sidewall surface of the side wall, and the baffle plate and institute End wall is stated to be spaced each other in the axial direction of the side wall.

2. LED straight lamp as described in claim 1, which is characterized in that the power supply circuit board of the power supply is towards described Baffle plate described in one side contacts of end wall, and make to keep gap between the power supply circuit board of the power supply and the end wall.

3. LED straight lamp as claimed in claim 1 or 2, which is characterized in that the lamp cap includes vertical ribs and horizontal ribs Item, the power supply circuit board are clamped and are fixed between the vertical ribs and the horizontal rib.

4. LED straight lamp as claimed in claim 3, which is characterized in that the vertical ribs and the horizontal rib are set to In the interior sidewall surface of the side wall, and along the axially extending of the side wall.

5. LED straight lamp as claimed in claim 4, which is characterized in that the vertical ribs and the horizontal rib are respectively provided with There are two, and two horizontal ribs correspond respectively to two vertical ribs.

6. LED straight lamp as described in claim 1, which is characterized in that the radial area of described hole is less than the radial direction of end wall The 1/10 of area.

7. LED straight lamp as described in claim 1, which is characterized in that at least one described hole is higher than in vertical direction The axle center of fluorescent tube and lamp cap.

8. a kind of LED straight lamp, which is characterized in that the LED straight lamp includes:

Fluorescent tube；

Two lamp caps are respectively arranged on the opposite end of the fluorescent tube, and the lamp cap includes side wall and end wall, and the side wall is pipe Perpendicular to the axial direction of the side wall an at least hole is arranged on the end wall, described hole makes in the lamp cap in shape, the end wall Portion space is connected to outside, and described hole is axially parallel to the side wall；

LED lamp panel is set in the fluorescent tube；And

Integrated structure, a part of integrated structure is set to the end of fluorescent tube, and the integrated structure of another part is set on lamp cap, The fluorescent tube and the lamp cap penetrate integrated structure detachable connection.

9. LED straight lamp as claimed in claim 8, which is characterized in that the integrated structure includes set on the of the side wall Locating unit and the second positioning unit for being set to the fluorescent tube end, first positioning unit correspond to second positioning It unit and matches each other.

10. LED straight lamp as claimed in claim 9, which is characterized in that first positioning unit is recessed in the side wall Interior sidewall surface on concave point, second positioning unit is the salient point for being convexly equipped in the outer side surface of end of fluorescent tube, described The salient point of two positioning units is caught in the concave point of first positioning unit.

11. LED straight lamp as claimed in claim 9, which is characterized in that first positioning unit be salient point, described second Positioning unit is concave point.

12. LED straight lamp as claimed in claim 9, which is characterized in that the integrated structure includes the ring set on the side wall The annular groove of shape protrusion and the end for being set to the fluorescent tube, the annular protrusion correspond to the annular groove, the lamp cap The fluorescent tube is connect to embedding with the annular groove through the annular protrusion.

13. LED straight lamp as claimed in claim 9, which is characterized in that the integrated structure includes the ring set on the side wall The annular protrusion of shape sliding slot and the end for being set to the fluorescent tube, the annular protrusion correspond to the annular groove, the lamp cap The fluorescent tube is connect to embedding with the annular groove through the annular protrusion.